Toniolo and Linder, Equation (10+)

Percentage Accurate: 55.4% → 86.6%
Time: 30.4s
Alternatives: 15
Speedup: 3.8×

Specification

?
\[\begin{array}{l} \\ \frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (/
  2.0
  (*
   (* (* (/ (pow t 3.0) (* l l)) (sin k)) (tan k))
   (+ (+ 1.0 (pow (/ k t) 2.0)) 1.0))))
double code(double t, double l, double k) {
	return 2.0 / ((((pow(t, 3.0) / (l * l)) * sin(k)) * tan(k)) * ((1.0 + pow((k / t), 2.0)) + 1.0));
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    code = 2.0d0 / (((((t ** 3.0d0) / (l * l)) * sin(k)) * tan(k)) * ((1.0d0 + ((k / t) ** 2.0d0)) + 1.0d0))
end function
public static double code(double t, double l, double k) {
	return 2.0 / ((((Math.pow(t, 3.0) / (l * l)) * Math.sin(k)) * Math.tan(k)) * ((1.0 + Math.pow((k / t), 2.0)) + 1.0));
}
def code(t, l, k):
	return 2.0 / ((((math.pow(t, 3.0) / (l * l)) * math.sin(k)) * math.tan(k)) * ((1.0 + math.pow((k / t), 2.0)) + 1.0))
function code(t, l, k)
	return Float64(2.0 / Float64(Float64(Float64(Float64((t ^ 3.0) / Float64(l * l)) * sin(k)) * tan(k)) * Float64(Float64(1.0 + (Float64(k / t) ^ 2.0)) + 1.0)))
end
function tmp = code(t, l, k)
	tmp = 2.0 / (((((t ^ 3.0) / (l * l)) * sin(k)) * tan(k)) * ((1.0 + ((k / t) ^ 2.0)) + 1.0));
end
code[t_, l_, k_] := N[(2.0 / N[(N[(N[(N[(N[Power[t, 3.0], $MachinePrecision] / N[(l * l), $MachinePrecision]), $MachinePrecision] * N[Sin[k], $MachinePrecision]), $MachinePrecision] * N[Tan[k], $MachinePrecision]), $MachinePrecision] * N[(N[(1.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}
\end{array}

Sampling outcomes in binary64 precision:

Local Percentage Accuracy vs ?

The average percentage accuracy by input value. Horizontal axis shows value of an input variable; the variable is choosen in the title. Vertical axis is accuracy; higher is better. Red represent the original program, while blue represents Herbie's suggestion. These can be toggled with buttons below the plot. The line is an average while dots represent individual samples.

Accuracy vs Speed?

Herbie found 15 alternatives:

AlternativeAccuracySpeedup
The accuracy (vertical axis) and speed (horizontal axis) of each alternatives. Up and to the right is better. The red square shows the initial program, and each blue circle shows an alternative.The line shows the best available speed-accuracy tradeoffs.

Initial Program: 55.4% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (/
  2.0
  (*
   (* (* (/ (pow t 3.0) (* l l)) (sin k)) (tan k))
   (+ (+ 1.0 (pow (/ k t) 2.0)) 1.0))))
double code(double t, double l, double k) {
	return 2.0 / ((((pow(t, 3.0) / (l * l)) * sin(k)) * tan(k)) * ((1.0 + pow((k / t), 2.0)) + 1.0));
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    code = 2.0d0 / (((((t ** 3.0d0) / (l * l)) * sin(k)) * tan(k)) * ((1.0d0 + ((k / t) ** 2.0d0)) + 1.0d0))
end function
public static double code(double t, double l, double k) {
	return 2.0 / ((((Math.pow(t, 3.0) / (l * l)) * Math.sin(k)) * Math.tan(k)) * ((1.0 + Math.pow((k / t), 2.0)) + 1.0));
}
def code(t, l, k):
	return 2.0 / ((((math.pow(t, 3.0) / (l * l)) * math.sin(k)) * math.tan(k)) * ((1.0 + math.pow((k / t), 2.0)) + 1.0))
function code(t, l, k)
	return Float64(2.0 / Float64(Float64(Float64(Float64((t ^ 3.0) / Float64(l * l)) * sin(k)) * tan(k)) * Float64(Float64(1.0 + (Float64(k / t) ^ 2.0)) + 1.0)))
end
function tmp = code(t, l, k)
	tmp = 2.0 / (((((t ^ 3.0) / (l * l)) * sin(k)) * tan(k)) * ((1.0 + ((k / t) ^ 2.0)) + 1.0));
end
code[t_, l_, k_] := N[(2.0 / N[(N[(N[(N[(N[Power[t, 3.0], $MachinePrecision] / N[(l * l), $MachinePrecision]), $MachinePrecision] * N[Sin[k], $MachinePrecision]), $MachinePrecision] * N[Tan[k], $MachinePrecision]), $MachinePrecision] * N[(N[(1.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}
\end{array}

Alternative 1: 86.6% accurate, 0.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := {\left(\frac{t}{\ell}\right)}^{2}\\ t_2 := 1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\\ t_3 := \frac{\sin k}{\ell}\\ \mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\ \;\;\;\;\frac{2}{t_2 \cdot \left(\left(\tan k \cdot \left(t \cdot \sin k\right)\right) \cdot t_1\right)}\\ \mathbf{elif}\;t \leq -1.2 \cdot 10^{-40}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{\ell}{\sin k} \cdot \frac{2}{\tan k \cdot {t}^{3}}\right)}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\ \mathbf{elif}\;t \leq 1.58 \cdot 10^{-58}:\\ \;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\tan k \cdot t_3\right)}\\ \mathbf{elif}\;t \leq 1.1 \cdot 10^{+93}:\\ \;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot t_3}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{t_2 \cdot \frac{\sin k \cdot \left(t \cdot t_1\right)}{\frac{\cos k}{\sin k}}}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (pow (/ t l) 2.0))
        (t_2 (+ 1.0 (+ 1.0 (pow (/ k t) 2.0))))
        (t_3 (/ (sin k) l)))
   (if (<= t -9.5e+103)
     (/ 2.0 (* t_2 (* (* (tan k) (* t (sin k))) t_1)))
     (if (<= t -1.2e-40)
       (/
        (* l (* (/ l (sin k)) (/ 2.0 (* (tan k) (pow t 3.0)))))
        (+ 2.0 (/ (/ k t) (/ t k))))
       (if (<= t 1.58e-58)
         (/ 2.0 (* (* (/ t l) (pow k 2.0)) (* (tan k) t_3)))
         (if (<= t 1.1e+93)
           (/
            (/ (* l (/ 2.0 (tan k))) (* (pow t 3.0) t_3))
            (+ 2.0 (/ (* k (/ k t)) t)))
           (/ 2.0 (* t_2 (/ (* (sin k) (* t t_1)) (/ (cos k) (sin k)))))))))))
double code(double t, double l, double k) {
	double t_1 = pow((t / l), 2.0);
	double t_2 = 1.0 + (1.0 + pow((k / t), 2.0));
	double t_3 = sin(k) / l;
	double tmp;
	if (t <= -9.5e+103) {
		tmp = 2.0 / (t_2 * ((tan(k) * (t * sin(k))) * t_1));
	} else if (t <= -1.2e-40) {
		tmp = (l * ((l / sin(k)) * (2.0 / (tan(k) * pow(t, 3.0))))) / (2.0 + ((k / t) / (t / k)));
	} else if (t <= 1.58e-58) {
		tmp = 2.0 / (((t / l) * pow(k, 2.0)) * (tan(k) * t_3));
	} else if (t <= 1.1e+93) {
		tmp = ((l * (2.0 / tan(k))) / (pow(t, 3.0) * t_3)) / (2.0 + ((k * (k / t)) / t));
	} else {
		tmp = 2.0 / (t_2 * ((sin(k) * (t * t_1)) / (cos(k) / sin(k))));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: t_1
    real(8) :: t_2
    real(8) :: t_3
    real(8) :: tmp
    t_1 = (t / l) ** 2.0d0
    t_2 = 1.0d0 + (1.0d0 + ((k / t) ** 2.0d0))
    t_3 = sin(k) / l
    if (t <= (-9.5d+103)) then
        tmp = 2.0d0 / (t_2 * ((tan(k) * (t * sin(k))) * t_1))
    else if (t <= (-1.2d-40)) then
        tmp = (l * ((l / sin(k)) * (2.0d0 / (tan(k) * (t ** 3.0d0))))) / (2.0d0 + ((k / t) / (t / k)))
    else if (t <= 1.58d-58) then
        tmp = 2.0d0 / (((t / l) * (k ** 2.0d0)) * (tan(k) * t_3))
    else if (t <= 1.1d+93) then
        tmp = ((l * (2.0d0 / tan(k))) / ((t ** 3.0d0) * t_3)) / (2.0d0 + ((k * (k / t)) / t))
    else
        tmp = 2.0d0 / (t_2 * ((sin(k) * (t * t_1)) / (cos(k) / sin(k))))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = Math.pow((t / l), 2.0);
	double t_2 = 1.0 + (1.0 + Math.pow((k / t), 2.0));
	double t_3 = Math.sin(k) / l;
	double tmp;
	if (t <= -9.5e+103) {
		tmp = 2.0 / (t_2 * ((Math.tan(k) * (t * Math.sin(k))) * t_1));
	} else if (t <= -1.2e-40) {
		tmp = (l * ((l / Math.sin(k)) * (2.0 / (Math.tan(k) * Math.pow(t, 3.0))))) / (2.0 + ((k / t) / (t / k)));
	} else if (t <= 1.58e-58) {
		tmp = 2.0 / (((t / l) * Math.pow(k, 2.0)) * (Math.tan(k) * t_3));
	} else if (t <= 1.1e+93) {
		tmp = ((l * (2.0 / Math.tan(k))) / (Math.pow(t, 3.0) * t_3)) / (2.0 + ((k * (k / t)) / t));
	} else {
		tmp = 2.0 / (t_2 * ((Math.sin(k) * (t * t_1)) / (Math.cos(k) / Math.sin(k))));
	}
	return tmp;
}
def code(t, l, k):
	t_1 = math.pow((t / l), 2.0)
	t_2 = 1.0 + (1.0 + math.pow((k / t), 2.0))
	t_3 = math.sin(k) / l
	tmp = 0
	if t <= -9.5e+103:
		tmp = 2.0 / (t_2 * ((math.tan(k) * (t * math.sin(k))) * t_1))
	elif t <= -1.2e-40:
		tmp = (l * ((l / math.sin(k)) * (2.0 / (math.tan(k) * math.pow(t, 3.0))))) / (2.0 + ((k / t) / (t / k)))
	elif t <= 1.58e-58:
		tmp = 2.0 / (((t / l) * math.pow(k, 2.0)) * (math.tan(k) * t_3))
	elif t <= 1.1e+93:
		tmp = ((l * (2.0 / math.tan(k))) / (math.pow(t, 3.0) * t_3)) / (2.0 + ((k * (k / t)) / t))
	else:
		tmp = 2.0 / (t_2 * ((math.sin(k) * (t * t_1)) / (math.cos(k) / math.sin(k))))
	return tmp
function code(t, l, k)
	t_1 = Float64(t / l) ^ 2.0
	t_2 = Float64(1.0 + Float64(1.0 + (Float64(k / t) ^ 2.0)))
	t_3 = Float64(sin(k) / l)
	tmp = 0.0
	if (t <= -9.5e+103)
		tmp = Float64(2.0 / Float64(t_2 * Float64(Float64(tan(k) * Float64(t * sin(k))) * t_1)));
	elseif (t <= -1.2e-40)
		tmp = Float64(Float64(l * Float64(Float64(l / sin(k)) * Float64(2.0 / Float64(tan(k) * (t ^ 3.0))))) / Float64(2.0 + Float64(Float64(k / t) / Float64(t / k))));
	elseif (t <= 1.58e-58)
		tmp = Float64(2.0 / Float64(Float64(Float64(t / l) * (k ^ 2.0)) * Float64(tan(k) * t_3)));
	elseif (t <= 1.1e+93)
		tmp = Float64(Float64(Float64(l * Float64(2.0 / tan(k))) / Float64((t ^ 3.0) * t_3)) / Float64(2.0 + Float64(Float64(k * Float64(k / t)) / t)));
	else
		tmp = Float64(2.0 / Float64(t_2 * Float64(Float64(sin(k) * Float64(t * t_1)) / Float64(cos(k) / sin(k)))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = (t / l) ^ 2.0;
	t_2 = 1.0 + (1.0 + ((k / t) ^ 2.0));
	t_3 = sin(k) / l;
	tmp = 0.0;
	if (t <= -9.5e+103)
		tmp = 2.0 / (t_2 * ((tan(k) * (t * sin(k))) * t_1));
	elseif (t <= -1.2e-40)
		tmp = (l * ((l / sin(k)) * (2.0 / (tan(k) * (t ^ 3.0))))) / (2.0 + ((k / t) / (t / k)));
	elseif (t <= 1.58e-58)
		tmp = 2.0 / (((t / l) * (k ^ 2.0)) * (tan(k) * t_3));
	elseif (t <= 1.1e+93)
		tmp = ((l * (2.0 / tan(k))) / ((t ^ 3.0) * t_3)) / (2.0 + ((k * (k / t)) / t));
	else
		tmp = 2.0 / (t_2 * ((sin(k) * (t * t_1)) / (cos(k) / sin(k))));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[Power[N[(t / l), $MachinePrecision], 2.0], $MachinePrecision]}, Block[{t$95$2 = N[(1.0 + N[(1.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$3 = N[(N[Sin[k], $MachinePrecision] / l), $MachinePrecision]}, If[LessEqual[t, -9.5e+103], N[(2.0 / N[(t$95$2 * N[(N[(N[Tan[k], $MachinePrecision] * N[(t * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, -1.2e-40], N[(N[(l * N[(N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision] * N[(2.0 / N[(N[Tan[k], $MachinePrecision] * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[(N[(k / t), $MachinePrecision] / N[(t / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 1.58e-58], N[(2.0 / N[(N[(N[(t / l), $MachinePrecision] * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * t$95$3), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 1.1e+93], N[(N[(N[(l * N[(2.0 / N[Tan[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[Power[t, 3.0], $MachinePrecision] * t$95$3), $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[(N[(k * N[(k / t), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(t$95$2 * N[(N[(N[Sin[k], $MachinePrecision] * N[(t * t$95$1), $MachinePrecision]), $MachinePrecision] / N[(N[Cos[k], $MachinePrecision] / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := {\left(\frac{t}{\ell}\right)}^{2}\\
t_2 := 1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\\
t_3 := \frac{\sin k}{\ell}\\
\mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\
\;\;\;\;\frac{2}{t_2 \cdot \left(\left(\tan k \cdot \left(t \cdot \sin k\right)\right) \cdot t_1\right)}\\

\mathbf{elif}\;t \leq -1.2 \cdot 10^{-40}:\\
\;\;\;\;\frac{\ell \cdot \left(\frac{\ell}{\sin k} \cdot \frac{2}{\tan k \cdot {t}^{3}}\right)}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\

\mathbf{elif}\;t \leq 1.58 \cdot 10^{-58}:\\
\;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\tan k \cdot t_3\right)}\\

\mathbf{elif}\;t \leq 1.1 \cdot 10^{+93}:\\
\;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot t_3}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{t_2 \cdot \frac{\sin k \cdot \left(t \cdot t_1\right)}{\frac{\cos k}{\sin k}}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 5 regimes
  2. if t < -9.49999999999999922e103

    1. Initial program 53.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. unpow353.7%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. times-frac71.8%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t \cdot t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. pow171.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{1}} \cdot t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow171.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{1} \cdot \color{blue}{{t}^{1}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow-sqr71.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{\left(2 \cdot 1\right)}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. metadata-eval71.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{\color{blue}{2}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr71.8%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Step-by-step derivation
      1. unpow271.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{t \cdot t}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. add-sqr-sqrt52.4%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{t \cdot t}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. times-frac67.5%

        \[\leadsto \frac{2}{\left(\left(\left(\color{blue}{\left(\frac{t}{\sqrt{\ell}} \cdot \frac{t}{\sqrt{\ell}}\right)} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    5. Applied egg-rr67.5%

      \[\leadsto \frac{2}{\left(\left(\left(\color{blue}{\left(\frac{t}{\sqrt{\ell}} \cdot \frac{t}{\sqrt{\ell}}\right)} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Applied egg-rr94.1%

      \[\leadsto \frac{2}{\color{blue}{\tan k \cdot \left(\left(\sin k \cdot t\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right) + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\tan k \cdot \left(\left(\sin k \cdot t\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)\right)}} \]
    7. Step-by-step derivation
      1. distribute-rgt1-in94.1%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\tan k \cdot \left(\left(\sin k \cdot t\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)\right)}} \]
      2. associate-*r*99.0%

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \color{blue}{\left(\left(\tan k \cdot \left(\sin k \cdot t\right)\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)}} \]
      3. *-commutative99.0%

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\left(\tan k \cdot \color{blue}{\left(t \cdot \sin k\right)}\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)} \]
    8. Simplified99.0%

      \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\left(\tan k \cdot \left(t \cdot \sin k\right)\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)}} \]

    if -9.49999999999999922e103 < t < -1.19999999999999996e-40

    1. Initial program 75.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*75.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg75.2%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified91.8%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. unpow291.8%

        \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}} \]
      2. clear-num91.8%

        \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \frac{k}{t} \cdot \color{blue}{\frac{1}{\frac{t}{k}}}} \]
      3. un-div-inv91.8%

        \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}} \]
    5. Applied egg-rr91.8%

      \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}} \]
    6. Step-by-step derivation
      1. associate-*r/96.2%

        \[\leadsto \frac{\color{blue}{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \ell}{\frac{\sin k}{\ell}}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      2. div-inv96.1%

        \[\leadsto \frac{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \ell}{\color{blue}{\sin k \cdot \frac{1}{\ell}}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      3. associate-/r*96.3%

        \[\leadsto \frac{\color{blue}{\frac{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \ell}{\sin k}}{\frac{1}{\ell}}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      4. *-commutative96.3%

        \[\leadsto \frac{\frac{\frac{\color{blue}{\ell \cdot \frac{\frac{2}{\tan k}}{{t}^{3}}}}{\sin k}}{\frac{1}{\ell}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
    7. Applied egg-rr96.3%

      \[\leadsto \frac{\color{blue}{\frac{\frac{\ell \cdot \frac{\frac{2}{\tan k}}{{t}^{3}}}{\sin k}}{\frac{1}{\ell}}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
    8. Step-by-step derivation
      1. associate-/r/96.2%

        \[\leadsto \frac{\color{blue}{\frac{\frac{\ell \cdot \frac{\frac{2}{\tan k}}{{t}^{3}}}{\sin k}}{1} \cdot \ell}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      2. associate-/l*85.7%

        \[\leadsto \frac{\frac{\color{blue}{\frac{\ell}{\frac{\sin k}{\frac{\frac{2}{\tan k}}{{t}^{3}}}}}}{1} \cdot \ell}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      3. associate-/r/96.2%

        \[\leadsto \frac{\frac{\color{blue}{\frac{\ell}{\sin k} \cdot \frac{\frac{2}{\tan k}}{{t}^{3}}}}{1} \cdot \ell}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      4. associate-/l/96.4%

        \[\leadsto \frac{\frac{\frac{\ell}{\sin k} \cdot \color{blue}{\frac{2}{{t}^{3} \cdot \tan k}}}{1} \cdot \ell}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
    9. Simplified96.4%

      \[\leadsto \frac{\color{blue}{\frac{\frac{\ell}{\sin k} \cdot \frac{2}{{t}^{3} \cdot \tan k}}{1} \cdot \ell}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]

    if -1.19999999999999996e-40 < t < 1.57999999999999997e-58

    1. Initial program 38.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Taylor expanded in t around 0 75.4%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}} \]
    3. Step-by-step derivation
      1. times-frac72.1%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    4. Simplified72.1%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    5. Step-by-step derivation
      1. associate-*l/75.5%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}{{\ell}^{2}}}} \]
      2. unpow275.5%

        \[\leadsto \frac{2}{\frac{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}{\color{blue}{\ell \cdot \ell}}} \]
      3. clear-num75.5%

        \[\leadsto \frac{2}{\color{blue}{\frac{1}{\frac{\ell \cdot \ell}{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}}}} \]
      4. unpow275.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{\color{blue}{{\ell}^{2}}}{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}}} \]
      5. associate-/l*75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{{k}^{2} \cdot \color{blue}{\frac{t}{\frac{\cos k}{{\sin k}^{2}}}}}}} \]
      6. associate-*r/75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\color{blue}{\frac{{k}^{2} \cdot t}{\frac{\cos k}{{\sin k}^{2}}}}}}} \]
      7. clear-num75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\color{blue}{\frac{1}{\frac{{\sin k}^{2}}{\cos k}}}}}}} \]
      8. unpow275.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\frac{\color{blue}{\sin k \cdot \sin k}}{\cos k}}}}}} \]
      9. associate-*r/75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\color{blue}{\sin k \cdot \frac{\sin k}{\cos k}}}}}}} \]
      10. tan-quot75.4%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \color{blue}{\tan k}}}}}} \]
    6. Applied egg-rr75.4%

      \[\leadsto \frac{2}{\color{blue}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}}}} \]
    7. Step-by-step derivation
      1. associate-/l*75.4%

        \[\leadsto \frac{2}{\color{blue}{\frac{1 \cdot \frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}{{\ell}^{2}}}} \]
      2. unpow275.4%

        \[\leadsto \frac{2}{\frac{1 \cdot \frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}{\color{blue}{\ell \cdot \ell}}} \]
      3. *-un-lft-identity75.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{\frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}}{\ell \cdot \ell}} \]
      4. associate-/r/75.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{\frac{{k}^{2} \cdot t}{1} \cdot \left(\sin k \cdot \tan k\right)}}{\ell \cdot \ell}} \]
      5. /-rgt-identity75.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{\left({k}^{2} \cdot t\right)} \cdot \left(\sin k \cdot \tan k\right)}{\ell \cdot \ell}} \]
      6. times-frac84.4%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{\ell} \cdot \frac{\sin k \cdot \tan k}{\ell}}} \]
      7. *-commutative84.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{\ell} \cdot \frac{\sin k \cdot \tan k}{\ell}} \]
    8. Applied egg-rr84.4%

      \[\leadsto \frac{2}{\color{blue}{\frac{t \cdot {k}^{2}}{\ell} \cdot \frac{\sin k \cdot \tan k}{\ell}}} \]
    9. Step-by-step derivation
      1. associate-/l*84.7%

        \[\leadsto \frac{2}{\color{blue}{\frac{t}{\frac{\ell}{{k}^{2}}}} \cdot \frac{\sin k \cdot \tan k}{\ell}} \]
      2. associate-/r/86.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot {k}^{2}\right)} \cdot \frac{\sin k \cdot \tan k}{\ell}} \]
      3. associate-/l*86.8%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \color{blue}{\frac{\sin k}{\frac{\ell}{\tan k}}}} \]
      4. associate-/r/86.7%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \color{blue}{\left(\frac{\sin k}{\ell} \cdot \tan k\right)}} \]
    10. Simplified86.7%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\frac{\sin k}{\ell} \cdot \tan k\right)}} \]

    if 1.57999999999999997e-58 < t < 1.10000000000000011e93

    1. Initial program 78.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*78.6%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg78.6%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified87.8%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. frac-times90.2%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k} \cdot \ell}{{t}^{3} \cdot \frac{\sin k}{\ell}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. *-commutative90.2%

        \[\leadsto \frac{\frac{\color{blue}{\ell \cdot \frac{2}{\tan k}}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr90.2%

      \[\leadsto \frac{\color{blue}{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. unpow290.2%

        \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}} \]
      2. associate-*r/90.3%

        \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t} \cdot k}{t}}} \]
    7. Applied egg-rr90.3%

      \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t} \cdot k}{t}}} \]

    if 1.10000000000000011e93 < t

    1. Initial program 61.1%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. unpow361.1%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. times-frac80.6%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t \cdot t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. pow180.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{1}} \cdot t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow180.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{1} \cdot \color{blue}{{t}^{1}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow-sqr80.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{\left(2 \cdot 1\right)}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. metadata-eval80.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{\color{blue}{2}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr80.6%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Step-by-step derivation
      1. unpow280.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{t \cdot t}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. add-sqr-sqrt48.1%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{t \cdot t}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. times-frac57.6%

        \[\leadsto \frac{2}{\left(\left(\left(\color{blue}{\left(\frac{t}{\sqrt{\ell}} \cdot \frac{t}{\sqrt{\ell}}\right)} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    5. Applied egg-rr57.6%

      \[\leadsto \frac{2}{\left(\left(\left(\color{blue}{\left(\frac{t}{\sqrt{\ell}} \cdot \frac{t}{\sqrt{\ell}}\right)} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Step-by-step derivation
      1. frac-times48.1%

        \[\leadsto \frac{2}{\left(\left(\left(\color{blue}{\frac{t \cdot t}{\sqrt{\ell} \cdot \sqrt{\ell}}} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. unpow248.1%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{2}}}{\sqrt{\ell} \cdot \sqrt{\ell}} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. add-sqr-sqrt80.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{2}}{\color{blue}{\ell}} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. tan-quot80.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \color{blue}{\frac{\sin k}{\cos k}}\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. associate-*r/80.6%

        \[\leadsto \frac{2}{\color{blue}{\frac{\left(\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \sin k}{\cos k}} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    7. Applied egg-rr95.1%

      \[\leadsto \frac{2}{\color{blue}{\frac{\left(\left(\sin k \cdot t\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right) \cdot \sin k}{\cos k}} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    8. Step-by-step derivation
      1. associate-/l*95.0%

        \[\leadsto \frac{2}{\color{blue}{\frac{\left(\sin k \cdot t\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}}{\frac{\cos k}{\sin k}}} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. associate-*l*95.0%

        \[\leadsto \frac{2}{\frac{\color{blue}{\sin k \cdot \left(t \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)}}{\frac{\cos k}{\sin k}} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    9. Simplified95.0%

      \[\leadsto \frac{2}{\color{blue}{\frac{\sin k \cdot \left(t \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)}{\frac{\cos k}{\sin k}}} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  3. Recombined 5 regimes into one program.
  4. Final simplification91.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\ \;\;\;\;\frac{2}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot \left(\left(\tan k \cdot \left(t \cdot \sin k\right)\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)}\\ \mathbf{elif}\;t \leq -1.2 \cdot 10^{-40}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{\ell}{\sin k} \cdot \frac{2}{\tan k \cdot {t}^{3}}\right)}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\ \mathbf{elif}\;t \leq 1.58 \cdot 10^{-58}:\\ \;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\tan k \cdot \frac{\sin k}{\ell}\right)}\\ \mathbf{elif}\;t \leq 1.1 \cdot 10^{+93}:\\ \;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot \frac{\sin k \cdot \left(t \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)}{\frac{\cos k}{\sin k}}}\\ \end{array} \]

Alternative 2: 78.3% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{\frac{k}{t}}{\frac{t}{k}}\\ t_2 := \frac{\sin k}{\ell}\\ \mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\ \;\;\;\;\frac{2}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot \left(\left(\tan k \cdot \left(t \cdot \sin k\right)\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)}\\ \mathbf{elif}\;t \leq -1.7 \cdot 10^{-41}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{\ell}{\sin k} \cdot \frac{2}{\tan k \cdot {t}^{3}}\right)}{2 + t_1}\\ \mathbf{elif}\;t \leq 7.8 \cdot 10^{-59}:\\ \;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\tan k \cdot t_2\right)}\\ \mathbf{elif}\;t \leq 4.4 \cdot 10^{+91}:\\ \;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot t_2}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot {\left(\frac{t}{\sqrt{\ell}}\right)}^{2}\right)\right)\right) \cdot \left(1 + \left(1 + t_1\right)\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (/ (/ k t) (/ t k))) (t_2 (/ (sin k) l)))
   (if (<= t -9.5e+103)
     (/
      2.0
      (*
       (+ 1.0 (+ 1.0 (pow (/ k t) 2.0)))
       (* (* (tan k) (* t (sin k))) (pow (/ t l) 2.0))))
     (if (<= t -1.7e-41)
       (/ (* l (* (/ l (sin k)) (/ 2.0 (* (tan k) (pow t 3.0))))) (+ 2.0 t_1))
       (if (<= t 7.8e-59)
         (/ 2.0 (* (* (/ t l) (pow k 2.0)) (* (tan k) t_2)))
         (if (<= t 4.4e+91)
           (/
            (/ (* l (/ 2.0 (tan k))) (* (pow t 3.0) t_2))
            (+ 2.0 (/ (* k (/ k t)) t)))
           (/
            2.0
            (*
             (* (tan k) (* (sin k) (* (/ t l) (pow (/ t (sqrt l)) 2.0))))
             (+ 1.0 (+ 1.0 t_1))))))))))
double code(double t, double l, double k) {
	double t_1 = (k / t) / (t / k);
	double t_2 = sin(k) / l;
	double tmp;
	if (t <= -9.5e+103) {
		tmp = 2.0 / ((1.0 + (1.0 + pow((k / t), 2.0))) * ((tan(k) * (t * sin(k))) * pow((t / l), 2.0)));
	} else if (t <= -1.7e-41) {
		tmp = (l * ((l / sin(k)) * (2.0 / (tan(k) * pow(t, 3.0))))) / (2.0 + t_1);
	} else if (t <= 7.8e-59) {
		tmp = 2.0 / (((t / l) * pow(k, 2.0)) * (tan(k) * t_2));
	} else if (t <= 4.4e+91) {
		tmp = ((l * (2.0 / tan(k))) / (pow(t, 3.0) * t_2)) / (2.0 + ((k * (k / t)) / t));
	} else {
		tmp = 2.0 / ((tan(k) * (sin(k) * ((t / l) * pow((t / sqrt(l)), 2.0)))) * (1.0 + (1.0 + t_1)));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: t_1
    real(8) :: t_2
    real(8) :: tmp
    t_1 = (k / t) / (t / k)
    t_2 = sin(k) / l
    if (t <= (-9.5d+103)) then
        tmp = 2.0d0 / ((1.0d0 + (1.0d0 + ((k / t) ** 2.0d0))) * ((tan(k) * (t * sin(k))) * ((t / l) ** 2.0d0)))
    else if (t <= (-1.7d-41)) then
        tmp = (l * ((l / sin(k)) * (2.0d0 / (tan(k) * (t ** 3.0d0))))) / (2.0d0 + t_1)
    else if (t <= 7.8d-59) then
        tmp = 2.0d0 / (((t / l) * (k ** 2.0d0)) * (tan(k) * t_2))
    else if (t <= 4.4d+91) then
        tmp = ((l * (2.0d0 / tan(k))) / ((t ** 3.0d0) * t_2)) / (2.0d0 + ((k * (k / t)) / t))
    else
        tmp = 2.0d0 / ((tan(k) * (sin(k) * ((t / l) * ((t / sqrt(l)) ** 2.0d0)))) * (1.0d0 + (1.0d0 + t_1)))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = (k / t) / (t / k);
	double t_2 = Math.sin(k) / l;
	double tmp;
	if (t <= -9.5e+103) {
		tmp = 2.0 / ((1.0 + (1.0 + Math.pow((k / t), 2.0))) * ((Math.tan(k) * (t * Math.sin(k))) * Math.pow((t / l), 2.0)));
	} else if (t <= -1.7e-41) {
		tmp = (l * ((l / Math.sin(k)) * (2.0 / (Math.tan(k) * Math.pow(t, 3.0))))) / (2.0 + t_1);
	} else if (t <= 7.8e-59) {
		tmp = 2.0 / (((t / l) * Math.pow(k, 2.0)) * (Math.tan(k) * t_2));
	} else if (t <= 4.4e+91) {
		tmp = ((l * (2.0 / Math.tan(k))) / (Math.pow(t, 3.0) * t_2)) / (2.0 + ((k * (k / t)) / t));
	} else {
		tmp = 2.0 / ((Math.tan(k) * (Math.sin(k) * ((t / l) * Math.pow((t / Math.sqrt(l)), 2.0)))) * (1.0 + (1.0 + t_1)));
	}
	return tmp;
}
def code(t, l, k):
	t_1 = (k / t) / (t / k)
	t_2 = math.sin(k) / l
	tmp = 0
	if t <= -9.5e+103:
		tmp = 2.0 / ((1.0 + (1.0 + math.pow((k / t), 2.0))) * ((math.tan(k) * (t * math.sin(k))) * math.pow((t / l), 2.0)))
	elif t <= -1.7e-41:
		tmp = (l * ((l / math.sin(k)) * (2.0 / (math.tan(k) * math.pow(t, 3.0))))) / (2.0 + t_1)
	elif t <= 7.8e-59:
		tmp = 2.0 / (((t / l) * math.pow(k, 2.0)) * (math.tan(k) * t_2))
	elif t <= 4.4e+91:
		tmp = ((l * (2.0 / math.tan(k))) / (math.pow(t, 3.0) * t_2)) / (2.0 + ((k * (k / t)) / t))
	else:
		tmp = 2.0 / ((math.tan(k) * (math.sin(k) * ((t / l) * math.pow((t / math.sqrt(l)), 2.0)))) * (1.0 + (1.0 + t_1)))
	return tmp
function code(t, l, k)
	t_1 = Float64(Float64(k / t) / Float64(t / k))
	t_2 = Float64(sin(k) / l)
	tmp = 0.0
	if (t <= -9.5e+103)
		tmp = Float64(2.0 / Float64(Float64(1.0 + Float64(1.0 + (Float64(k / t) ^ 2.0))) * Float64(Float64(tan(k) * Float64(t * sin(k))) * (Float64(t / l) ^ 2.0))));
	elseif (t <= -1.7e-41)
		tmp = Float64(Float64(l * Float64(Float64(l / sin(k)) * Float64(2.0 / Float64(tan(k) * (t ^ 3.0))))) / Float64(2.0 + t_1));
	elseif (t <= 7.8e-59)
		tmp = Float64(2.0 / Float64(Float64(Float64(t / l) * (k ^ 2.0)) * Float64(tan(k) * t_2)));
	elseif (t <= 4.4e+91)
		tmp = Float64(Float64(Float64(l * Float64(2.0 / tan(k))) / Float64((t ^ 3.0) * t_2)) / Float64(2.0 + Float64(Float64(k * Float64(k / t)) / t)));
	else
		tmp = Float64(2.0 / Float64(Float64(tan(k) * Float64(sin(k) * Float64(Float64(t / l) * (Float64(t / sqrt(l)) ^ 2.0)))) * Float64(1.0 + Float64(1.0 + t_1))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = (k / t) / (t / k);
	t_2 = sin(k) / l;
	tmp = 0.0;
	if (t <= -9.5e+103)
		tmp = 2.0 / ((1.0 + (1.0 + ((k / t) ^ 2.0))) * ((tan(k) * (t * sin(k))) * ((t / l) ^ 2.0)));
	elseif (t <= -1.7e-41)
		tmp = (l * ((l / sin(k)) * (2.0 / (tan(k) * (t ^ 3.0))))) / (2.0 + t_1);
	elseif (t <= 7.8e-59)
		tmp = 2.0 / (((t / l) * (k ^ 2.0)) * (tan(k) * t_2));
	elseif (t <= 4.4e+91)
		tmp = ((l * (2.0 / tan(k))) / ((t ^ 3.0) * t_2)) / (2.0 + ((k * (k / t)) / t));
	else
		tmp = 2.0 / ((tan(k) * (sin(k) * ((t / l) * ((t / sqrt(l)) ^ 2.0)))) * (1.0 + (1.0 + t_1)));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[(N[(k / t), $MachinePrecision] / N[(t / k), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[Sin[k], $MachinePrecision] / l), $MachinePrecision]}, If[LessEqual[t, -9.5e+103], N[(2.0 / N[(N[(1.0 + N[(1.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[(N[Tan[k], $MachinePrecision] * N[(t * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[Power[N[(t / l), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, -1.7e-41], N[(N[(l * N[(N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision] * N[(2.0 / N[(N[Tan[k], $MachinePrecision] * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(2.0 + t$95$1), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 7.8e-59], N[(2.0 / N[(N[(N[(t / l), $MachinePrecision] * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * t$95$2), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 4.4e+91], N[(N[(N[(l * N[(2.0 / N[Tan[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[Power[t, 3.0], $MachinePrecision] * t$95$2), $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[(N[(k * N[(k / t), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[(t / l), $MachinePrecision] * N[Power[N[(t / N[Sqrt[l], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(1.0 + N[(1.0 + t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \frac{\frac{k}{t}}{\frac{t}{k}}\\
t_2 := \frac{\sin k}{\ell}\\
\mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\
\;\;\;\;\frac{2}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot \left(\left(\tan k \cdot \left(t \cdot \sin k\right)\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)}\\

\mathbf{elif}\;t \leq -1.7 \cdot 10^{-41}:\\
\;\;\;\;\frac{\ell \cdot \left(\frac{\ell}{\sin k} \cdot \frac{2}{\tan k \cdot {t}^{3}}\right)}{2 + t_1}\\

\mathbf{elif}\;t \leq 7.8 \cdot 10^{-59}:\\
\;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\tan k \cdot t_2\right)}\\

\mathbf{elif}\;t \leq 4.4 \cdot 10^{+91}:\\
\;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot t_2}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot {\left(\frac{t}{\sqrt{\ell}}\right)}^{2}\right)\right)\right) \cdot \left(1 + \left(1 + t_1\right)\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 5 regimes
  2. if t < -9.49999999999999922e103

    1. Initial program 53.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. unpow353.7%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. times-frac71.8%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t \cdot t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. pow171.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{1}} \cdot t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow171.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{1} \cdot \color{blue}{{t}^{1}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow-sqr71.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{\left(2 \cdot 1\right)}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. metadata-eval71.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{\color{blue}{2}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr71.8%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Step-by-step derivation
      1. unpow271.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{t \cdot t}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. add-sqr-sqrt52.4%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{t \cdot t}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. times-frac67.5%

        \[\leadsto \frac{2}{\left(\left(\left(\color{blue}{\left(\frac{t}{\sqrt{\ell}} \cdot \frac{t}{\sqrt{\ell}}\right)} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    5. Applied egg-rr67.5%

      \[\leadsto \frac{2}{\left(\left(\left(\color{blue}{\left(\frac{t}{\sqrt{\ell}} \cdot \frac{t}{\sqrt{\ell}}\right)} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Applied egg-rr94.1%

      \[\leadsto \frac{2}{\color{blue}{\tan k \cdot \left(\left(\sin k \cdot t\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right) + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\tan k \cdot \left(\left(\sin k \cdot t\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)\right)}} \]
    7. Step-by-step derivation
      1. distribute-rgt1-in94.1%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\tan k \cdot \left(\left(\sin k \cdot t\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)\right)}} \]
      2. associate-*r*99.0%

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \color{blue}{\left(\left(\tan k \cdot \left(\sin k \cdot t\right)\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)}} \]
      3. *-commutative99.0%

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\left(\tan k \cdot \color{blue}{\left(t \cdot \sin k\right)}\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)} \]
    8. Simplified99.0%

      \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\left(\tan k \cdot \left(t \cdot \sin k\right)\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)}} \]

    if -9.49999999999999922e103 < t < -1.6999999999999999e-41

    1. Initial program 75.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*75.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg75.2%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified91.8%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. unpow291.8%

        \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}} \]
      2. clear-num91.8%

        \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \frac{k}{t} \cdot \color{blue}{\frac{1}{\frac{t}{k}}}} \]
      3. un-div-inv91.8%

        \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}} \]
    5. Applied egg-rr91.8%

      \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}} \]
    6. Step-by-step derivation
      1. associate-*r/96.2%

        \[\leadsto \frac{\color{blue}{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \ell}{\frac{\sin k}{\ell}}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      2. div-inv96.1%

        \[\leadsto \frac{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \ell}{\color{blue}{\sin k \cdot \frac{1}{\ell}}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      3. associate-/r*96.3%

        \[\leadsto \frac{\color{blue}{\frac{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \ell}{\sin k}}{\frac{1}{\ell}}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      4. *-commutative96.3%

        \[\leadsto \frac{\frac{\frac{\color{blue}{\ell \cdot \frac{\frac{2}{\tan k}}{{t}^{3}}}}{\sin k}}{\frac{1}{\ell}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
    7. Applied egg-rr96.3%

      \[\leadsto \frac{\color{blue}{\frac{\frac{\ell \cdot \frac{\frac{2}{\tan k}}{{t}^{3}}}{\sin k}}{\frac{1}{\ell}}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
    8. Step-by-step derivation
      1. associate-/r/96.2%

        \[\leadsto \frac{\color{blue}{\frac{\frac{\ell \cdot \frac{\frac{2}{\tan k}}{{t}^{3}}}{\sin k}}{1} \cdot \ell}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      2. associate-/l*85.7%

        \[\leadsto \frac{\frac{\color{blue}{\frac{\ell}{\frac{\sin k}{\frac{\frac{2}{\tan k}}{{t}^{3}}}}}}{1} \cdot \ell}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      3. associate-/r/96.2%

        \[\leadsto \frac{\frac{\color{blue}{\frac{\ell}{\sin k} \cdot \frac{\frac{2}{\tan k}}{{t}^{3}}}}{1} \cdot \ell}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      4. associate-/l/96.4%

        \[\leadsto \frac{\frac{\frac{\ell}{\sin k} \cdot \color{blue}{\frac{2}{{t}^{3} \cdot \tan k}}}{1} \cdot \ell}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
    9. Simplified96.4%

      \[\leadsto \frac{\color{blue}{\frac{\frac{\ell}{\sin k} \cdot \frac{2}{{t}^{3} \cdot \tan k}}{1} \cdot \ell}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]

    if -1.6999999999999999e-41 < t < 7.80000000000000038e-59

    1. Initial program 38.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Taylor expanded in t around 0 75.4%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}} \]
    3. Step-by-step derivation
      1. times-frac72.1%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    4. Simplified72.1%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    5. Step-by-step derivation
      1. associate-*l/75.5%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}{{\ell}^{2}}}} \]
      2. unpow275.5%

        \[\leadsto \frac{2}{\frac{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}{\color{blue}{\ell \cdot \ell}}} \]
      3. clear-num75.5%

        \[\leadsto \frac{2}{\color{blue}{\frac{1}{\frac{\ell \cdot \ell}{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}}}} \]
      4. unpow275.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{\color{blue}{{\ell}^{2}}}{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}}} \]
      5. associate-/l*75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{{k}^{2} \cdot \color{blue}{\frac{t}{\frac{\cos k}{{\sin k}^{2}}}}}}} \]
      6. associate-*r/75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\color{blue}{\frac{{k}^{2} \cdot t}{\frac{\cos k}{{\sin k}^{2}}}}}}} \]
      7. clear-num75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\color{blue}{\frac{1}{\frac{{\sin k}^{2}}{\cos k}}}}}}} \]
      8. unpow275.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\frac{\color{blue}{\sin k \cdot \sin k}}{\cos k}}}}}} \]
      9. associate-*r/75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\color{blue}{\sin k \cdot \frac{\sin k}{\cos k}}}}}}} \]
      10. tan-quot75.4%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \color{blue}{\tan k}}}}}} \]
    6. Applied egg-rr75.4%

      \[\leadsto \frac{2}{\color{blue}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}}}} \]
    7. Step-by-step derivation
      1. associate-/l*75.4%

        \[\leadsto \frac{2}{\color{blue}{\frac{1 \cdot \frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}{{\ell}^{2}}}} \]
      2. unpow275.4%

        \[\leadsto \frac{2}{\frac{1 \cdot \frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}{\color{blue}{\ell \cdot \ell}}} \]
      3. *-un-lft-identity75.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{\frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}}{\ell \cdot \ell}} \]
      4. associate-/r/75.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{\frac{{k}^{2} \cdot t}{1} \cdot \left(\sin k \cdot \tan k\right)}}{\ell \cdot \ell}} \]
      5. /-rgt-identity75.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{\left({k}^{2} \cdot t\right)} \cdot \left(\sin k \cdot \tan k\right)}{\ell \cdot \ell}} \]
      6. times-frac84.4%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{\ell} \cdot \frac{\sin k \cdot \tan k}{\ell}}} \]
      7. *-commutative84.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{\ell} \cdot \frac{\sin k \cdot \tan k}{\ell}} \]
    8. Applied egg-rr84.4%

      \[\leadsto \frac{2}{\color{blue}{\frac{t \cdot {k}^{2}}{\ell} \cdot \frac{\sin k \cdot \tan k}{\ell}}} \]
    9. Step-by-step derivation
      1. associate-/l*84.7%

        \[\leadsto \frac{2}{\color{blue}{\frac{t}{\frac{\ell}{{k}^{2}}}} \cdot \frac{\sin k \cdot \tan k}{\ell}} \]
      2. associate-/r/86.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot {k}^{2}\right)} \cdot \frac{\sin k \cdot \tan k}{\ell}} \]
      3. associate-/l*86.8%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \color{blue}{\frac{\sin k}{\frac{\ell}{\tan k}}}} \]
      4. associate-/r/86.7%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \color{blue}{\left(\frac{\sin k}{\ell} \cdot \tan k\right)}} \]
    10. Simplified86.7%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\frac{\sin k}{\ell} \cdot \tan k\right)}} \]

    if 7.80000000000000038e-59 < t < 4.39999999999999999e91

    1. Initial program 78.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*78.6%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg78.6%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified87.8%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. frac-times90.2%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k} \cdot \ell}{{t}^{3} \cdot \frac{\sin k}{\ell}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. *-commutative90.2%

        \[\leadsto \frac{\frac{\color{blue}{\ell \cdot \frac{2}{\tan k}}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr90.2%

      \[\leadsto \frac{\color{blue}{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. unpow290.2%

        \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}} \]
      2. associate-*r/90.3%

        \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t} \cdot k}{t}}} \]
    7. Applied egg-rr90.3%

      \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t} \cdot k}{t}}} \]

    if 4.39999999999999999e91 < t

    1. Initial program 61.1%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. unpow361.1%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. times-frac80.6%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t \cdot t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. pow180.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{1}} \cdot t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow180.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{1} \cdot \color{blue}{{t}^{1}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow-sqr80.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{\left(2 \cdot 1\right)}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. metadata-eval80.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{\color{blue}{2}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr80.6%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Step-by-step derivation
      1. unpow260.9%

        \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}} \]
      2. clear-num60.9%

        \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \frac{k}{t} \cdot \color{blue}{\frac{1}{\frac{t}{k}}}} \]
      3. un-div-inv60.9%

        \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}} \]
    5. Applied egg-rr80.6%

      \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}\right) + 1\right)} \]
    6. Step-by-step derivation
      1. unpow280.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{t \cdot t}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
      2. add-sqr-sqrt48.0%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{t \cdot t}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
      3. frac-times57.5%

        \[\leadsto \frac{2}{\left(\left(\left(\color{blue}{\left(\frac{t}{\sqrt{\ell}} \cdot \frac{t}{\sqrt{\ell}}\right)} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
      4. associate-*l*57.5%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t}{\sqrt{\ell}} \cdot \left(\frac{t}{\sqrt{\ell}} \cdot \frac{t}{\ell}\right)\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
      5. clear-num57.5%

        \[\leadsto \frac{2}{\left(\left(\left(\color{blue}{\frac{1}{\frac{\sqrt{\ell}}{t}}} \cdot \left(\frac{t}{\sqrt{\ell}} \cdot \frac{t}{\ell}\right)\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
      6. associate-*l/57.5%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{1 \cdot \left(\frac{t}{\sqrt{\ell}} \cdot \frac{t}{\ell}\right)}{\frac{\sqrt{\ell}}{t}}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
      7. *-un-lft-identity57.5%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\frac{t}{\sqrt{\ell}} \cdot \frac{t}{\ell}}}{\frac{\sqrt{\ell}}{t}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
      8. frac-times45.2%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\frac{t \cdot t}{\sqrt{\ell} \cdot \ell}}}{\frac{\sqrt{\ell}}{t}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
      9. unpow245.2%

        \[\leadsto \frac{2}{\left(\left(\frac{\frac{\color{blue}{{t}^{2}}}{\sqrt{\ell} \cdot \ell}}{\frac{\sqrt{\ell}}{t}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
      10. *-commutative45.2%

        \[\leadsto \frac{2}{\left(\left(\frac{\frac{{t}^{2}}{\color{blue}{\ell \cdot \sqrt{\ell}}}}{\frac{\sqrt{\ell}}{t}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
    7. Applied egg-rr45.2%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\frac{{t}^{2}}{\ell \cdot \sqrt{\ell}}}{\frac{\sqrt{\ell}}{t}}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
    8. Step-by-step derivation
      1. associate-/l/45.2%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{{t}^{2}}{\frac{\sqrt{\ell}}{t} \cdot \left(\ell \cdot \sqrt{\ell}\right)}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
      2. associate-/r*36.0%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\frac{{t}^{2}}{\frac{\sqrt{\ell}}{t}}}{\ell \cdot \sqrt{\ell}}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
      3. associate-/l*33.5%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\frac{{t}^{2} \cdot t}{\sqrt{\ell}}}}{\ell \cdot \sqrt{\ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
      4. *-commutative33.5%

        \[\leadsto \frac{2}{\left(\left(\frac{\frac{\color{blue}{t \cdot {t}^{2}}}{\sqrt{\ell}}}{\ell \cdot \sqrt{\ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
      5. associate-*r/36.0%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{t \cdot \frac{{t}^{2}}{\sqrt{\ell}}}}{\ell \cdot \sqrt{\ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
      6. times-frac48.0%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t}{\ell} \cdot \frac{\frac{{t}^{2}}{\sqrt{\ell}}}{\sqrt{\ell}}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
      7. unpow248.0%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{t}{\ell} \cdot \frac{\frac{\color{blue}{t \cdot t}}{\sqrt{\ell}}}{\sqrt{\ell}}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
      8. associate-*r/52.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{t}{\ell} \cdot \frac{\color{blue}{t \cdot \frac{t}{\sqrt{\ell}}}}{\sqrt{\ell}}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
      9. associate-*l/57.5%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{t}{\ell} \cdot \color{blue}{\left(\frac{t}{\sqrt{\ell}} \cdot \frac{t}{\sqrt{\ell}}\right)}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
      10. unpow257.5%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{t}{\ell} \cdot \color{blue}{{\left(\frac{t}{\sqrt{\ell}}\right)}^{2}}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
    9. Simplified57.5%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t}{\ell} \cdot {\left(\frac{t}{\sqrt{\ell}}\right)}^{2}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right) + 1\right)} \]
  3. Recombined 5 regimes into one program.
  4. Final simplification85.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\ \;\;\;\;\frac{2}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot \left(\left(\tan k \cdot \left(t \cdot \sin k\right)\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)}\\ \mathbf{elif}\;t \leq -1.7 \cdot 10^{-41}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{\ell}{\sin k} \cdot \frac{2}{\tan k \cdot {t}^{3}}\right)}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\ \mathbf{elif}\;t \leq 7.8 \cdot 10^{-59}:\\ \;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\tan k \cdot \frac{\sin k}{\ell}\right)}\\ \mathbf{elif}\;t \leq 4.4 \cdot 10^{+91}:\\ \;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot {\left(\frac{t}{\sqrt{\ell}}\right)}^{2}\right)\right)\right) \cdot \left(1 + \left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right)\right)}\\ \end{array} \]

Alternative 3: 86.6% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{\sin k}{\ell}\\ \mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\ \;\;\;\;\frac{2}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot \left(\left(\tan k \cdot \left(t \cdot \sin k\right)\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)}\\ \mathbf{elif}\;t \leq -7.5 \cdot 10^{-37}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{\ell}{\sin k} \cdot \frac{2}{\tan k \cdot {t}^{3}}\right)}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\ \mathbf{elif}\;t \leq 1.15 \cdot 10^{-58}:\\ \;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\tan k \cdot t_1\right)}\\ \mathbf{elif}\;t \leq 1.1 \cdot 10^{+93}:\\ \;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot t_1}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right)\right)\right) \cdot \left(1 + \left(1 + \frac{k}{t \cdot \frac{t}{k}}\right)\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (/ (sin k) l)))
   (if (<= t -9.5e+103)
     (/
      2.0
      (*
       (+ 1.0 (+ 1.0 (pow (/ k t) 2.0)))
       (* (* (tan k) (* t (sin k))) (pow (/ t l) 2.0))))
     (if (<= t -7.5e-37)
       (/
        (* l (* (/ l (sin k)) (/ 2.0 (* (tan k) (pow t 3.0)))))
        (+ 2.0 (/ (/ k t) (/ t k))))
       (if (<= t 1.15e-58)
         (/ 2.0 (* (* (/ t l) (pow k 2.0)) (* (tan k) t_1)))
         (if (<= t 1.1e+93)
           (/
            (/ (* l (/ 2.0 (tan k))) (* (pow t 3.0) t_1))
            (+ 2.0 (/ (* k (/ k t)) t)))
           (/
            2.0
            (*
             (* (tan k) (* (sin k) (* (/ t l) (* t (/ t l)))))
             (+ 1.0 (+ 1.0 (/ k (* t (/ t k)))))))))))))
double code(double t, double l, double k) {
	double t_1 = sin(k) / l;
	double tmp;
	if (t <= -9.5e+103) {
		tmp = 2.0 / ((1.0 + (1.0 + pow((k / t), 2.0))) * ((tan(k) * (t * sin(k))) * pow((t / l), 2.0)));
	} else if (t <= -7.5e-37) {
		tmp = (l * ((l / sin(k)) * (2.0 / (tan(k) * pow(t, 3.0))))) / (2.0 + ((k / t) / (t / k)));
	} else if (t <= 1.15e-58) {
		tmp = 2.0 / (((t / l) * pow(k, 2.0)) * (tan(k) * t_1));
	} else if (t <= 1.1e+93) {
		tmp = ((l * (2.0 / tan(k))) / (pow(t, 3.0) * t_1)) / (2.0 + ((k * (k / t)) / t));
	} else {
		tmp = 2.0 / ((tan(k) * (sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: t_1
    real(8) :: tmp
    t_1 = sin(k) / l
    if (t <= (-9.5d+103)) then
        tmp = 2.0d0 / ((1.0d0 + (1.0d0 + ((k / t) ** 2.0d0))) * ((tan(k) * (t * sin(k))) * ((t / l) ** 2.0d0)))
    else if (t <= (-7.5d-37)) then
        tmp = (l * ((l / sin(k)) * (2.0d0 / (tan(k) * (t ** 3.0d0))))) / (2.0d0 + ((k / t) / (t / k)))
    else if (t <= 1.15d-58) then
        tmp = 2.0d0 / (((t / l) * (k ** 2.0d0)) * (tan(k) * t_1))
    else if (t <= 1.1d+93) then
        tmp = ((l * (2.0d0 / tan(k))) / ((t ** 3.0d0) * t_1)) / (2.0d0 + ((k * (k / t)) / t))
    else
        tmp = 2.0d0 / ((tan(k) * (sin(k) * ((t / l) * (t * (t / l))))) * (1.0d0 + (1.0d0 + (k / (t * (t / k))))))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = Math.sin(k) / l;
	double tmp;
	if (t <= -9.5e+103) {
		tmp = 2.0 / ((1.0 + (1.0 + Math.pow((k / t), 2.0))) * ((Math.tan(k) * (t * Math.sin(k))) * Math.pow((t / l), 2.0)));
	} else if (t <= -7.5e-37) {
		tmp = (l * ((l / Math.sin(k)) * (2.0 / (Math.tan(k) * Math.pow(t, 3.0))))) / (2.0 + ((k / t) / (t / k)));
	} else if (t <= 1.15e-58) {
		tmp = 2.0 / (((t / l) * Math.pow(k, 2.0)) * (Math.tan(k) * t_1));
	} else if (t <= 1.1e+93) {
		tmp = ((l * (2.0 / Math.tan(k))) / (Math.pow(t, 3.0) * t_1)) / (2.0 + ((k * (k / t)) / t));
	} else {
		tmp = 2.0 / ((Math.tan(k) * (Math.sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))));
	}
	return tmp;
}
def code(t, l, k):
	t_1 = math.sin(k) / l
	tmp = 0
	if t <= -9.5e+103:
		tmp = 2.0 / ((1.0 + (1.0 + math.pow((k / t), 2.0))) * ((math.tan(k) * (t * math.sin(k))) * math.pow((t / l), 2.0)))
	elif t <= -7.5e-37:
		tmp = (l * ((l / math.sin(k)) * (2.0 / (math.tan(k) * math.pow(t, 3.0))))) / (2.0 + ((k / t) / (t / k)))
	elif t <= 1.15e-58:
		tmp = 2.0 / (((t / l) * math.pow(k, 2.0)) * (math.tan(k) * t_1))
	elif t <= 1.1e+93:
		tmp = ((l * (2.0 / math.tan(k))) / (math.pow(t, 3.0) * t_1)) / (2.0 + ((k * (k / t)) / t))
	else:
		tmp = 2.0 / ((math.tan(k) * (math.sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))))
	return tmp
function code(t, l, k)
	t_1 = Float64(sin(k) / l)
	tmp = 0.0
	if (t <= -9.5e+103)
		tmp = Float64(2.0 / Float64(Float64(1.0 + Float64(1.0 + (Float64(k / t) ^ 2.0))) * Float64(Float64(tan(k) * Float64(t * sin(k))) * (Float64(t / l) ^ 2.0))));
	elseif (t <= -7.5e-37)
		tmp = Float64(Float64(l * Float64(Float64(l / sin(k)) * Float64(2.0 / Float64(tan(k) * (t ^ 3.0))))) / Float64(2.0 + Float64(Float64(k / t) / Float64(t / k))));
	elseif (t <= 1.15e-58)
		tmp = Float64(2.0 / Float64(Float64(Float64(t / l) * (k ^ 2.0)) * Float64(tan(k) * t_1)));
	elseif (t <= 1.1e+93)
		tmp = Float64(Float64(Float64(l * Float64(2.0 / tan(k))) / Float64((t ^ 3.0) * t_1)) / Float64(2.0 + Float64(Float64(k * Float64(k / t)) / t)));
	else
		tmp = Float64(2.0 / Float64(Float64(tan(k) * Float64(sin(k) * Float64(Float64(t / l) * Float64(t * Float64(t / l))))) * Float64(1.0 + Float64(1.0 + Float64(k / Float64(t * Float64(t / k)))))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = sin(k) / l;
	tmp = 0.0;
	if (t <= -9.5e+103)
		tmp = 2.0 / ((1.0 + (1.0 + ((k / t) ^ 2.0))) * ((tan(k) * (t * sin(k))) * ((t / l) ^ 2.0)));
	elseif (t <= -7.5e-37)
		tmp = (l * ((l / sin(k)) * (2.0 / (tan(k) * (t ^ 3.0))))) / (2.0 + ((k / t) / (t / k)));
	elseif (t <= 1.15e-58)
		tmp = 2.0 / (((t / l) * (k ^ 2.0)) * (tan(k) * t_1));
	elseif (t <= 1.1e+93)
		tmp = ((l * (2.0 / tan(k))) / ((t ^ 3.0) * t_1)) / (2.0 + ((k * (k / t)) / t));
	else
		tmp = 2.0 / ((tan(k) * (sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[(N[Sin[k], $MachinePrecision] / l), $MachinePrecision]}, If[LessEqual[t, -9.5e+103], N[(2.0 / N[(N[(1.0 + N[(1.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[(N[Tan[k], $MachinePrecision] * N[(t * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[Power[N[(t / l), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, -7.5e-37], N[(N[(l * N[(N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision] * N[(2.0 / N[(N[Tan[k], $MachinePrecision] * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[(N[(k / t), $MachinePrecision] / N[(t / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 1.15e-58], N[(2.0 / N[(N[(N[(t / l), $MachinePrecision] * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 1.1e+93], N[(N[(N[(l * N[(2.0 / N[Tan[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[Power[t, 3.0], $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[(N[(k * N[(k / t), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[(t / l), $MachinePrecision] * N[(t * N[(t / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(1.0 + N[(1.0 + N[(k / N[(t * N[(t / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \frac{\sin k}{\ell}\\
\mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\
\;\;\;\;\frac{2}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot \left(\left(\tan k \cdot \left(t \cdot \sin k\right)\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)}\\

\mathbf{elif}\;t \leq -7.5 \cdot 10^{-37}:\\
\;\;\;\;\frac{\ell \cdot \left(\frac{\ell}{\sin k} \cdot \frac{2}{\tan k \cdot {t}^{3}}\right)}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\

\mathbf{elif}\;t \leq 1.15 \cdot 10^{-58}:\\
\;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\tan k \cdot t_1\right)}\\

\mathbf{elif}\;t \leq 1.1 \cdot 10^{+93}:\\
\;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot t_1}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right)\right)\right) \cdot \left(1 + \left(1 + \frac{k}{t \cdot \frac{t}{k}}\right)\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 5 regimes
  2. if t < -9.49999999999999922e103

    1. Initial program 53.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. unpow353.7%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. times-frac71.8%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t \cdot t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. pow171.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{1}} \cdot t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow171.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{1} \cdot \color{blue}{{t}^{1}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow-sqr71.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{\left(2 \cdot 1\right)}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. metadata-eval71.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{\color{blue}{2}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr71.8%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Step-by-step derivation
      1. unpow271.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{t \cdot t}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. add-sqr-sqrt52.4%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{t \cdot t}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. times-frac67.5%

        \[\leadsto \frac{2}{\left(\left(\left(\color{blue}{\left(\frac{t}{\sqrt{\ell}} \cdot \frac{t}{\sqrt{\ell}}\right)} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    5. Applied egg-rr67.5%

      \[\leadsto \frac{2}{\left(\left(\left(\color{blue}{\left(\frac{t}{\sqrt{\ell}} \cdot \frac{t}{\sqrt{\ell}}\right)} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Applied egg-rr94.1%

      \[\leadsto \frac{2}{\color{blue}{\tan k \cdot \left(\left(\sin k \cdot t\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right) + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\tan k \cdot \left(\left(\sin k \cdot t\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)\right)}} \]
    7. Step-by-step derivation
      1. distribute-rgt1-in94.1%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\tan k \cdot \left(\left(\sin k \cdot t\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)\right)}} \]
      2. associate-*r*99.0%

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \color{blue}{\left(\left(\tan k \cdot \left(\sin k \cdot t\right)\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)}} \]
      3. *-commutative99.0%

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\left(\tan k \cdot \color{blue}{\left(t \cdot \sin k\right)}\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)} \]
    8. Simplified99.0%

      \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\left(\tan k \cdot \left(t \cdot \sin k\right)\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)}} \]

    if -9.49999999999999922e103 < t < -7.5000000000000004e-37

    1. Initial program 75.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*75.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg75.2%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified91.8%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. unpow291.8%

        \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}} \]
      2. clear-num91.8%

        \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \frac{k}{t} \cdot \color{blue}{\frac{1}{\frac{t}{k}}}} \]
      3. un-div-inv91.8%

        \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}} \]
    5. Applied egg-rr91.8%

      \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}} \]
    6. Step-by-step derivation
      1. associate-*r/96.2%

        \[\leadsto \frac{\color{blue}{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \ell}{\frac{\sin k}{\ell}}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      2. div-inv96.1%

        \[\leadsto \frac{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \ell}{\color{blue}{\sin k \cdot \frac{1}{\ell}}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      3. associate-/r*96.3%

        \[\leadsto \frac{\color{blue}{\frac{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \ell}{\sin k}}{\frac{1}{\ell}}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      4. *-commutative96.3%

        \[\leadsto \frac{\frac{\frac{\color{blue}{\ell \cdot \frac{\frac{2}{\tan k}}{{t}^{3}}}}{\sin k}}{\frac{1}{\ell}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
    7. Applied egg-rr96.3%

      \[\leadsto \frac{\color{blue}{\frac{\frac{\ell \cdot \frac{\frac{2}{\tan k}}{{t}^{3}}}{\sin k}}{\frac{1}{\ell}}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
    8. Step-by-step derivation
      1. associate-/r/96.2%

        \[\leadsto \frac{\color{blue}{\frac{\frac{\ell \cdot \frac{\frac{2}{\tan k}}{{t}^{3}}}{\sin k}}{1} \cdot \ell}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      2. associate-/l*85.7%

        \[\leadsto \frac{\frac{\color{blue}{\frac{\ell}{\frac{\sin k}{\frac{\frac{2}{\tan k}}{{t}^{3}}}}}}{1} \cdot \ell}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      3. associate-/r/96.2%

        \[\leadsto \frac{\frac{\color{blue}{\frac{\ell}{\sin k} \cdot \frac{\frac{2}{\tan k}}{{t}^{3}}}}{1} \cdot \ell}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      4. associate-/l/96.4%

        \[\leadsto \frac{\frac{\frac{\ell}{\sin k} \cdot \color{blue}{\frac{2}{{t}^{3} \cdot \tan k}}}{1} \cdot \ell}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
    9. Simplified96.4%

      \[\leadsto \frac{\color{blue}{\frac{\frac{\ell}{\sin k} \cdot \frac{2}{{t}^{3} \cdot \tan k}}{1} \cdot \ell}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]

    if -7.5000000000000004e-37 < t < 1.1499999999999999e-58

    1. Initial program 38.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Taylor expanded in t around 0 75.4%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}} \]
    3. Step-by-step derivation
      1. times-frac72.1%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    4. Simplified72.1%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    5. Step-by-step derivation
      1. associate-*l/75.5%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}{{\ell}^{2}}}} \]
      2. unpow275.5%

        \[\leadsto \frac{2}{\frac{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}{\color{blue}{\ell \cdot \ell}}} \]
      3. clear-num75.5%

        \[\leadsto \frac{2}{\color{blue}{\frac{1}{\frac{\ell \cdot \ell}{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}}}} \]
      4. unpow275.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{\color{blue}{{\ell}^{2}}}{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}}} \]
      5. associate-/l*75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{{k}^{2} \cdot \color{blue}{\frac{t}{\frac{\cos k}{{\sin k}^{2}}}}}}} \]
      6. associate-*r/75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\color{blue}{\frac{{k}^{2} \cdot t}{\frac{\cos k}{{\sin k}^{2}}}}}}} \]
      7. clear-num75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\color{blue}{\frac{1}{\frac{{\sin k}^{2}}{\cos k}}}}}}} \]
      8. unpow275.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\frac{\color{blue}{\sin k \cdot \sin k}}{\cos k}}}}}} \]
      9. associate-*r/75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\color{blue}{\sin k \cdot \frac{\sin k}{\cos k}}}}}}} \]
      10. tan-quot75.4%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \color{blue}{\tan k}}}}}} \]
    6. Applied egg-rr75.4%

      \[\leadsto \frac{2}{\color{blue}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}}}} \]
    7. Step-by-step derivation
      1. associate-/l*75.4%

        \[\leadsto \frac{2}{\color{blue}{\frac{1 \cdot \frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}{{\ell}^{2}}}} \]
      2. unpow275.4%

        \[\leadsto \frac{2}{\frac{1 \cdot \frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}{\color{blue}{\ell \cdot \ell}}} \]
      3. *-un-lft-identity75.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{\frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}}{\ell \cdot \ell}} \]
      4. associate-/r/75.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{\frac{{k}^{2} \cdot t}{1} \cdot \left(\sin k \cdot \tan k\right)}}{\ell \cdot \ell}} \]
      5. /-rgt-identity75.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{\left({k}^{2} \cdot t\right)} \cdot \left(\sin k \cdot \tan k\right)}{\ell \cdot \ell}} \]
      6. times-frac84.4%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{\ell} \cdot \frac{\sin k \cdot \tan k}{\ell}}} \]
      7. *-commutative84.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{\ell} \cdot \frac{\sin k \cdot \tan k}{\ell}} \]
    8. Applied egg-rr84.4%

      \[\leadsto \frac{2}{\color{blue}{\frac{t \cdot {k}^{2}}{\ell} \cdot \frac{\sin k \cdot \tan k}{\ell}}} \]
    9. Step-by-step derivation
      1. associate-/l*84.7%

        \[\leadsto \frac{2}{\color{blue}{\frac{t}{\frac{\ell}{{k}^{2}}}} \cdot \frac{\sin k \cdot \tan k}{\ell}} \]
      2. associate-/r/86.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot {k}^{2}\right)} \cdot \frac{\sin k \cdot \tan k}{\ell}} \]
      3. associate-/l*86.8%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \color{blue}{\frac{\sin k}{\frac{\ell}{\tan k}}}} \]
      4. associate-/r/86.7%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \color{blue}{\left(\frac{\sin k}{\ell} \cdot \tan k\right)}} \]
    10. Simplified86.7%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\frac{\sin k}{\ell} \cdot \tan k\right)}} \]

    if 1.1499999999999999e-58 < t < 1.10000000000000011e93

    1. Initial program 78.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*78.6%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg78.6%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified87.8%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. frac-times90.2%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k} \cdot \ell}{{t}^{3} \cdot \frac{\sin k}{\ell}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. *-commutative90.2%

        \[\leadsto \frac{\frac{\color{blue}{\ell \cdot \frac{2}{\tan k}}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr90.2%

      \[\leadsto \frac{\color{blue}{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. unpow290.2%

        \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}} \]
      2. associate-*r/90.3%

        \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t} \cdot k}{t}}} \]
    7. Applied egg-rr90.3%

      \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t} \cdot k}{t}}} \]

    if 1.10000000000000011e93 < t

    1. Initial program 61.1%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. unpow361.1%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. times-frac80.6%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t \cdot t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. pow180.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{1}} \cdot t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow180.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{1} \cdot \color{blue}{{t}^{1}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow-sqr80.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{\left(2 \cdot 1\right)}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. metadata-eval80.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{\color{blue}{2}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr80.6%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Step-by-step derivation
      1. div-inv58.9%

        \[\leadsto \frac{2}{\left(\color{blue}{\left({t}^{2} \cdot \frac{1}{\ell}\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      2. unpow258.9%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(t \cdot t\right)} \cdot \frac{1}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      3. associate-*l*64.8%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(t \cdot \left(t \cdot \frac{1}{\ell}\right)\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      4. div-inv64.8%

        \[\leadsto \frac{2}{\left(\left(t \cdot \color{blue}{\frac{t}{\ell}}\right) \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
    5. Applied egg-rr94.8%

      \[\leadsto \frac{2}{\left(\left(\left(\color{blue}{\left(t \cdot \frac{t}{\ell}\right)} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Step-by-step derivation
      1. unpow294.8%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}\right) + 1\right)} \]
      2. clear-num94.8%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{1}{\frac{t}{k}}} \cdot \frac{k}{t}\right) + 1\right)} \]
      3. frac-times94.9%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{1 \cdot k}{\frac{t}{k} \cdot t}}\right) + 1\right)} \]
      4. *-un-lft-identity94.9%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\color{blue}{k}}{\frac{t}{k} \cdot t}\right) + 1\right)} \]
    7. Applied egg-rr94.9%

      \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{\frac{t}{k} \cdot t}}\right) + 1\right)} \]
  3. Recombined 5 regimes into one program.
  4. Final simplification91.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\ \;\;\;\;\frac{2}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot \left(\left(\tan k \cdot \left(t \cdot \sin k\right)\right) \cdot {\left(\frac{t}{\ell}\right)}^{2}\right)}\\ \mathbf{elif}\;t \leq -7.5 \cdot 10^{-37}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{\ell}{\sin k} \cdot \frac{2}{\tan k \cdot {t}^{3}}\right)}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\ \mathbf{elif}\;t \leq 1.15 \cdot 10^{-58}:\\ \;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\tan k \cdot \frac{\sin k}{\ell}\right)}\\ \mathbf{elif}\;t \leq 1.1 \cdot 10^{+93}:\\ \;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right)\right)\right) \cdot \left(1 + \left(1 + \frac{k}{t \cdot \frac{t}{k}}\right)\right)}\\ \end{array} \]

Alternative 4: 87.3% accurate, 1.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{\sin k}{\ell}\\ t_2 := \frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right)\right)\right) \cdot \left(1 + \left(1 + \frac{k}{t \cdot \frac{t}{k}}\right)\right)}\\ t_3 := \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot t_1}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\ \mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;t \leq -1.05 \cdot 10^{-58}:\\ \;\;\;\;t_3\\ \mathbf{elif}\;t \leq -2.5 \cdot 10^{-303}:\\ \;\;\;\;\frac{2}{\left(\frac{k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}\\ \mathbf{elif}\;t \leq 2.95 \cdot 10^{-58}:\\ \;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\tan k \cdot t_1\right)}\\ \mathbf{elif}\;t \leq 8.8 \cdot 10^{+92}:\\ \;\;\;\;t_3\\ \mathbf{else}:\\ \;\;\;\;t_2\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (/ (sin k) l))
        (t_2
         (/
          2.0
          (*
           (* (tan k) (* (sin k) (* (/ t l) (* t (/ t l)))))
           (+ 1.0 (+ 1.0 (/ k (* t (/ t k))))))))
        (t_3
         (/
          (/ (* l (/ 2.0 (tan k))) (* (pow t 3.0) t_1))
          (+ 2.0 (/ (* k (/ k t)) t)))))
   (if (<= t -9.5e+103)
     t_2
     (if (<= t -1.05e-58)
       t_3
       (if (<= t -2.5e-303)
         (/ 2.0 (* (* (/ k l) (/ k l)) (/ (* t (pow (sin k) 2.0)) (cos k))))
         (if (<= t 2.95e-58)
           (/ 2.0 (* (* (/ t l) (pow k 2.0)) (* (tan k) t_1)))
           (if (<= t 8.8e+92) t_3 t_2)))))))
double code(double t, double l, double k) {
	double t_1 = sin(k) / l;
	double t_2 = 2.0 / ((tan(k) * (sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))));
	double t_3 = ((l * (2.0 / tan(k))) / (pow(t, 3.0) * t_1)) / (2.0 + ((k * (k / t)) / t));
	double tmp;
	if (t <= -9.5e+103) {
		tmp = t_2;
	} else if (t <= -1.05e-58) {
		tmp = t_3;
	} else if (t <= -2.5e-303) {
		tmp = 2.0 / (((k / l) * (k / l)) * ((t * pow(sin(k), 2.0)) / cos(k)));
	} else if (t <= 2.95e-58) {
		tmp = 2.0 / (((t / l) * pow(k, 2.0)) * (tan(k) * t_1));
	} else if (t <= 8.8e+92) {
		tmp = t_3;
	} else {
		tmp = t_2;
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: t_1
    real(8) :: t_2
    real(8) :: t_3
    real(8) :: tmp
    t_1 = sin(k) / l
    t_2 = 2.0d0 / ((tan(k) * (sin(k) * ((t / l) * (t * (t / l))))) * (1.0d0 + (1.0d0 + (k / (t * (t / k))))))
    t_3 = ((l * (2.0d0 / tan(k))) / ((t ** 3.0d0) * t_1)) / (2.0d0 + ((k * (k / t)) / t))
    if (t <= (-9.5d+103)) then
        tmp = t_2
    else if (t <= (-1.05d-58)) then
        tmp = t_3
    else if (t <= (-2.5d-303)) then
        tmp = 2.0d0 / (((k / l) * (k / l)) * ((t * (sin(k) ** 2.0d0)) / cos(k)))
    else if (t <= 2.95d-58) then
        tmp = 2.0d0 / (((t / l) * (k ** 2.0d0)) * (tan(k) * t_1))
    else if (t <= 8.8d+92) then
        tmp = t_3
    else
        tmp = t_2
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = Math.sin(k) / l;
	double t_2 = 2.0 / ((Math.tan(k) * (Math.sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))));
	double t_3 = ((l * (2.0 / Math.tan(k))) / (Math.pow(t, 3.0) * t_1)) / (2.0 + ((k * (k / t)) / t));
	double tmp;
	if (t <= -9.5e+103) {
		tmp = t_2;
	} else if (t <= -1.05e-58) {
		tmp = t_3;
	} else if (t <= -2.5e-303) {
		tmp = 2.0 / (((k / l) * (k / l)) * ((t * Math.pow(Math.sin(k), 2.0)) / Math.cos(k)));
	} else if (t <= 2.95e-58) {
		tmp = 2.0 / (((t / l) * Math.pow(k, 2.0)) * (Math.tan(k) * t_1));
	} else if (t <= 8.8e+92) {
		tmp = t_3;
	} else {
		tmp = t_2;
	}
	return tmp;
}
def code(t, l, k):
	t_1 = math.sin(k) / l
	t_2 = 2.0 / ((math.tan(k) * (math.sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))))
	t_3 = ((l * (2.0 / math.tan(k))) / (math.pow(t, 3.0) * t_1)) / (2.0 + ((k * (k / t)) / t))
	tmp = 0
	if t <= -9.5e+103:
		tmp = t_2
	elif t <= -1.05e-58:
		tmp = t_3
	elif t <= -2.5e-303:
		tmp = 2.0 / (((k / l) * (k / l)) * ((t * math.pow(math.sin(k), 2.0)) / math.cos(k)))
	elif t <= 2.95e-58:
		tmp = 2.0 / (((t / l) * math.pow(k, 2.0)) * (math.tan(k) * t_1))
	elif t <= 8.8e+92:
		tmp = t_3
	else:
		tmp = t_2
	return tmp
function code(t, l, k)
	t_1 = Float64(sin(k) / l)
	t_2 = Float64(2.0 / Float64(Float64(tan(k) * Float64(sin(k) * Float64(Float64(t / l) * Float64(t * Float64(t / l))))) * Float64(1.0 + Float64(1.0 + Float64(k / Float64(t * Float64(t / k)))))))
	t_3 = Float64(Float64(Float64(l * Float64(2.0 / tan(k))) / Float64((t ^ 3.0) * t_1)) / Float64(2.0 + Float64(Float64(k * Float64(k / t)) / t)))
	tmp = 0.0
	if (t <= -9.5e+103)
		tmp = t_2;
	elseif (t <= -1.05e-58)
		tmp = t_3;
	elseif (t <= -2.5e-303)
		tmp = Float64(2.0 / Float64(Float64(Float64(k / l) * Float64(k / l)) * Float64(Float64(t * (sin(k) ^ 2.0)) / cos(k))));
	elseif (t <= 2.95e-58)
		tmp = Float64(2.0 / Float64(Float64(Float64(t / l) * (k ^ 2.0)) * Float64(tan(k) * t_1)));
	elseif (t <= 8.8e+92)
		tmp = t_3;
	else
		tmp = t_2;
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = sin(k) / l;
	t_2 = 2.0 / ((tan(k) * (sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))));
	t_3 = ((l * (2.0 / tan(k))) / ((t ^ 3.0) * t_1)) / (2.0 + ((k * (k / t)) / t));
	tmp = 0.0;
	if (t <= -9.5e+103)
		tmp = t_2;
	elseif (t <= -1.05e-58)
		tmp = t_3;
	elseif (t <= -2.5e-303)
		tmp = 2.0 / (((k / l) * (k / l)) * ((t * (sin(k) ^ 2.0)) / cos(k)));
	elseif (t <= 2.95e-58)
		tmp = 2.0 / (((t / l) * (k ^ 2.0)) * (tan(k) * t_1));
	elseif (t <= 8.8e+92)
		tmp = t_3;
	else
		tmp = t_2;
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[(N[Sin[k], $MachinePrecision] / l), $MachinePrecision]}, Block[{t$95$2 = N[(2.0 / N[(N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[(t / l), $MachinePrecision] * N[(t * N[(t / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(1.0 + N[(1.0 + N[(k / N[(t * N[(t / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$3 = N[(N[(N[(l * N[(2.0 / N[Tan[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[Power[t, 3.0], $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[(N[(k * N[(k / t), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -9.5e+103], t$95$2, If[LessEqual[t, -1.05e-58], t$95$3, If[LessEqual[t, -2.5e-303], N[(2.0 / N[(N[(N[(k / l), $MachinePrecision] * N[(k / l), $MachinePrecision]), $MachinePrecision] * N[(N[(t * N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] / N[Cos[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 2.95e-58], N[(2.0 / N[(N[(N[(t / l), $MachinePrecision] * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 8.8e+92], t$95$3, t$95$2]]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \frac{\sin k}{\ell}\\
t_2 := \frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right)\right)\right) \cdot \left(1 + \left(1 + \frac{k}{t \cdot \frac{t}{k}}\right)\right)}\\
t_3 := \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot t_1}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\
\mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\
\;\;\;\;t_2\\

\mathbf{elif}\;t \leq -1.05 \cdot 10^{-58}:\\
\;\;\;\;t_3\\

\mathbf{elif}\;t \leq -2.5 \cdot 10^{-303}:\\
\;\;\;\;\frac{2}{\left(\frac{k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}\\

\mathbf{elif}\;t \leq 2.95 \cdot 10^{-58}:\\
\;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\tan k \cdot t_1\right)}\\

\mathbf{elif}\;t \leq 8.8 \cdot 10^{+92}:\\
\;\;\;\;t_3\\

\mathbf{else}:\\
\;\;\;\;t_2\\


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if t < -9.49999999999999922e103 or 8.79999999999999969e92 < t

    1. Initial program 57.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. unpow357.5%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. times-frac76.3%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t \cdot t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. pow176.3%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{1}} \cdot t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow176.3%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{1} \cdot \color{blue}{{t}^{1}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow-sqr76.3%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{\left(2 \cdot 1\right)}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. metadata-eval76.3%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{\color{blue}{2}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr76.3%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Step-by-step derivation
      1. div-inv61.3%

        \[\leadsto \frac{2}{\left(\color{blue}{\left({t}^{2} \cdot \frac{1}{\ell}\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      2. unpow261.3%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(t \cdot t\right)} \cdot \frac{1}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      3. associate-*l*69.9%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(t \cdot \left(t \cdot \frac{1}{\ell}\right)\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      4. div-inv69.9%

        \[\leadsto \frac{2}{\left(\left(t \cdot \color{blue}{\frac{t}{\ell}}\right) \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
    5. Applied egg-rr93.3%

      \[\leadsto \frac{2}{\left(\left(\left(\color{blue}{\left(t \cdot \frac{t}{\ell}\right)} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Step-by-step derivation
      1. unpow293.3%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}\right) + 1\right)} \]
      2. clear-num93.3%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{1}{\frac{t}{k}}} \cdot \frac{k}{t}\right) + 1\right)} \]
      3. frac-times93.3%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{1 \cdot k}{\frac{t}{k} \cdot t}}\right) + 1\right)} \]
      4. *-un-lft-identity93.3%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\color{blue}{k}}{\frac{t}{k} \cdot t}\right) + 1\right)} \]
    7. Applied egg-rr93.3%

      \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{\frac{t}{k} \cdot t}}\right) + 1\right)} \]

    if -9.49999999999999922e103 < t < -1.04999999999999994e-58 or 2.95e-58 < t < 8.79999999999999969e92

    1. Initial program 76.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*76.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg76.5%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified88.4%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. frac-times92.9%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k} \cdot \ell}{{t}^{3} \cdot \frac{\sin k}{\ell}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. *-commutative92.9%

        \[\leadsto \frac{\frac{\color{blue}{\ell \cdot \frac{2}{\tan k}}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr92.9%

      \[\leadsto \frac{\color{blue}{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. unpow292.9%

        \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}} \]
      2. associate-*r/91.5%

        \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t} \cdot k}{t}}} \]
    7. Applied egg-rr91.5%

      \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t} \cdot k}{t}}} \]

    if -1.04999999999999994e-58 < t < -2.4999999999999999e-303

    1. Initial program 52.1%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Taylor expanded in t around 0 75.2%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}} \]
    3. Step-by-step derivation
      1. times-frac75.2%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    4. Simplified75.2%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    5. Step-by-step derivation
      1. unpow275.2%

        \[\leadsto \frac{2}{\frac{\color{blue}{k \cdot k}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}} \]
      2. unpow275.2%

        \[\leadsto \frac{2}{\frac{k \cdot k}{\color{blue}{\ell \cdot \ell}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}} \]
      3. times-frac90.0%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}} \]
    6. Applied egg-rr90.0%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}} \]

    if -2.4999999999999999e-303 < t < 2.95e-58

    1. Initial program 26.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Taylor expanded in t around 0 76.3%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}} \]
    3. Step-by-step derivation
      1. times-frac70.4%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    4. Simplified70.4%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    5. Step-by-step derivation
      1. associate-*l/76.4%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}{{\ell}^{2}}}} \]
      2. unpow276.4%

        \[\leadsto \frac{2}{\frac{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}{\color{blue}{\ell \cdot \ell}}} \]
      3. clear-num76.4%

        \[\leadsto \frac{2}{\color{blue}{\frac{1}{\frac{\ell \cdot \ell}{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}}}} \]
      4. unpow276.4%

        \[\leadsto \frac{2}{\frac{1}{\frac{\color{blue}{{\ell}^{2}}}{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}}} \]
      5. associate-/l*76.4%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{{k}^{2} \cdot \color{blue}{\frac{t}{\frac{\cos k}{{\sin k}^{2}}}}}}} \]
      6. associate-*r/76.4%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\color{blue}{\frac{{k}^{2} \cdot t}{\frac{\cos k}{{\sin k}^{2}}}}}}} \]
      7. clear-num76.4%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\color{blue}{\frac{1}{\frac{{\sin k}^{2}}{\cos k}}}}}}} \]
      8. unpow276.4%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\frac{\color{blue}{\sin k \cdot \sin k}}{\cos k}}}}}} \]
      9. associate-*r/76.4%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\color{blue}{\sin k \cdot \frac{\sin k}{\cos k}}}}}}} \]
      10. tan-quot76.4%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \color{blue}{\tan k}}}}}} \]
    6. Applied egg-rr76.4%

      \[\leadsto \frac{2}{\color{blue}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}}}} \]
    7. Step-by-step derivation
      1. associate-/l*76.3%

        \[\leadsto \frac{2}{\color{blue}{\frac{1 \cdot \frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}{{\ell}^{2}}}} \]
      2. unpow276.3%

        \[\leadsto \frac{2}{\frac{1 \cdot \frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}{\color{blue}{\ell \cdot \ell}}} \]
      3. *-un-lft-identity76.3%

        \[\leadsto \frac{2}{\frac{\color{blue}{\frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}}{\ell \cdot \ell}} \]
      4. associate-/r/76.3%

        \[\leadsto \frac{2}{\frac{\color{blue}{\frac{{k}^{2} \cdot t}{1} \cdot \left(\sin k \cdot \tan k\right)}}{\ell \cdot \ell}} \]
      5. /-rgt-identity76.3%

        \[\leadsto \frac{2}{\frac{\color{blue}{\left({k}^{2} \cdot t\right)} \cdot \left(\sin k \cdot \tan k\right)}{\ell \cdot \ell}} \]
      6. times-frac87.5%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{\ell} \cdot \frac{\sin k \cdot \tan k}{\ell}}} \]
      7. *-commutative87.5%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{\ell} \cdot \frac{\sin k \cdot \tan k}{\ell}} \]
    8. Applied egg-rr87.5%

      \[\leadsto \frac{2}{\color{blue}{\frac{t \cdot {k}^{2}}{\ell} \cdot \frac{\sin k \cdot \tan k}{\ell}}} \]
    9. Step-by-step derivation
      1. associate-/l*84.9%

        \[\leadsto \frac{2}{\color{blue}{\frac{t}{\frac{\ell}{{k}^{2}}}} \cdot \frac{\sin k \cdot \tan k}{\ell}} \]
      2. associate-/r/88.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot {k}^{2}\right)} \cdot \frac{\sin k \cdot \tan k}{\ell}} \]
      3. associate-/l*88.8%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \color{blue}{\frac{\sin k}{\frac{\ell}{\tan k}}}} \]
      4. associate-/r/88.8%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \color{blue}{\left(\frac{\sin k}{\ell} \cdot \tan k\right)}} \]
    10. Simplified88.8%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\frac{\sin k}{\ell} \cdot \tan k\right)}} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification91.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right)\right)\right) \cdot \left(1 + \left(1 + \frac{k}{t \cdot \frac{t}{k}}\right)\right)}\\ \mathbf{elif}\;t \leq -1.05 \cdot 10^{-58}:\\ \;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\ \mathbf{elif}\;t \leq -2.5 \cdot 10^{-303}:\\ \;\;\;\;\frac{2}{\left(\frac{k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}\\ \mathbf{elif}\;t \leq 2.95 \cdot 10^{-58}:\\ \;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\tan k \cdot \frac{\sin k}{\ell}\right)}\\ \mathbf{elif}\;t \leq 8.8 \cdot 10^{+92}:\\ \;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right)\right)\right) \cdot \left(1 + \left(1 + \frac{k}{t \cdot \frac{t}{k}}\right)\right)}\\ \end{array} \]

Alternative 5: 86.3% accurate, 1.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right)\right)\right) \cdot \left(1 + \left(1 + \frac{k}{t \cdot \frac{t}{k}}\right)\right)}\\ t_2 := \frac{\sin k}{\ell}\\ \mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;t \leq -5 \cdot 10^{-40}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{\ell}{\sin k} \cdot \frac{2}{\tan k \cdot {t}^{3}}\right)}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\ \mathbf{elif}\;t \leq 2.5 \cdot 10^{-58}:\\ \;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\tan k \cdot t_2\right)}\\ \mathbf{elif}\;t \leq 1.1 \cdot 10^{+93}:\\ \;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot t_2}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\ \mathbf{else}:\\ \;\;\;\;t_1\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1
         (/
          2.0
          (*
           (* (tan k) (* (sin k) (* (/ t l) (* t (/ t l)))))
           (+ 1.0 (+ 1.0 (/ k (* t (/ t k))))))))
        (t_2 (/ (sin k) l)))
   (if (<= t -9.5e+103)
     t_1
     (if (<= t -5e-40)
       (/
        (* l (* (/ l (sin k)) (/ 2.0 (* (tan k) (pow t 3.0)))))
        (+ 2.0 (/ (/ k t) (/ t k))))
       (if (<= t 2.5e-58)
         (/ 2.0 (* (* (/ t l) (pow k 2.0)) (* (tan k) t_2)))
         (if (<= t 1.1e+93)
           (/
            (/ (* l (/ 2.0 (tan k))) (* (pow t 3.0) t_2))
            (+ 2.0 (/ (* k (/ k t)) t)))
           t_1))))))
double code(double t, double l, double k) {
	double t_1 = 2.0 / ((tan(k) * (sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))));
	double t_2 = sin(k) / l;
	double tmp;
	if (t <= -9.5e+103) {
		tmp = t_1;
	} else if (t <= -5e-40) {
		tmp = (l * ((l / sin(k)) * (2.0 / (tan(k) * pow(t, 3.0))))) / (2.0 + ((k / t) / (t / k)));
	} else if (t <= 2.5e-58) {
		tmp = 2.0 / (((t / l) * pow(k, 2.0)) * (tan(k) * t_2));
	} else if (t <= 1.1e+93) {
		tmp = ((l * (2.0 / tan(k))) / (pow(t, 3.0) * t_2)) / (2.0 + ((k * (k / t)) / t));
	} else {
		tmp = t_1;
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: t_1
    real(8) :: t_2
    real(8) :: tmp
    t_1 = 2.0d0 / ((tan(k) * (sin(k) * ((t / l) * (t * (t / l))))) * (1.0d0 + (1.0d0 + (k / (t * (t / k))))))
    t_2 = sin(k) / l
    if (t <= (-9.5d+103)) then
        tmp = t_1
    else if (t <= (-5d-40)) then
        tmp = (l * ((l / sin(k)) * (2.0d0 / (tan(k) * (t ** 3.0d0))))) / (2.0d0 + ((k / t) / (t / k)))
    else if (t <= 2.5d-58) then
        tmp = 2.0d0 / (((t / l) * (k ** 2.0d0)) * (tan(k) * t_2))
    else if (t <= 1.1d+93) then
        tmp = ((l * (2.0d0 / tan(k))) / ((t ** 3.0d0) * t_2)) / (2.0d0 + ((k * (k / t)) / t))
    else
        tmp = t_1
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = 2.0 / ((Math.tan(k) * (Math.sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))));
	double t_2 = Math.sin(k) / l;
	double tmp;
	if (t <= -9.5e+103) {
		tmp = t_1;
	} else if (t <= -5e-40) {
		tmp = (l * ((l / Math.sin(k)) * (2.0 / (Math.tan(k) * Math.pow(t, 3.0))))) / (2.0 + ((k / t) / (t / k)));
	} else if (t <= 2.5e-58) {
		tmp = 2.0 / (((t / l) * Math.pow(k, 2.0)) * (Math.tan(k) * t_2));
	} else if (t <= 1.1e+93) {
		tmp = ((l * (2.0 / Math.tan(k))) / (Math.pow(t, 3.0) * t_2)) / (2.0 + ((k * (k / t)) / t));
	} else {
		tmp = t_1;
	}
	return tmp;
}
def code(t, l, k):
	t_1 = 2.0 / ((math.tan(k) * (math.sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))))
	t_2 = math.sin(k) / l
	tmp = 0
	if t <= -9.5e+103:
		tmp = t_1
	elif t <= -5e-40:
		tmp = (l * ((l / math.sin(k)) * (2.0 / (math.tan(k) * math.pow(t, 3.0))))) / (2.0 + ((k / t) / (t / k)))
	elif t <= 2.5e-58:
		tmp = 2.0 / (((t / l) * math.pow(k, 2.0)) * (math.tan(k) * t_2))
	elif t <= 1.1e+93:
		tmp = ((l * (2.0 / math.tan(k))) / (math.pow(t, 3.0) * t_2)) / (2.0 + ((k * (k / t)) / t))
	else:
		tmp = t_1
	return tmp
function code(t, l, k)
	t_1 = Float64(2.0 / Float64(Float64(tan(k) * Float64(sin(k) * Float64(Float64(t / l) * Float64(t * Float64(t / l))))) * Float64(1.0 + Float64(1.0 + Float64(k / Float64(t * Float64(t / k)))))))
	t_2 = Float64(sin(k) / l)
	tmp = 0.0
	if (t <= -9.5e+103)
		tmp = t_1;
	elseif (t <= -5e-40)
		tmp = Float64(Float64(l * Float64(Float64(l / sin(k)) * Float64(2.0 / Float64(tan(k) * (t ^ 3.0))))) / Float64(2.0 + Float64(Float64(k / t) / Float64(t / k))));
	elseif (t <= 2.5e-58)
		tmp = Float64(2.0 / Float64(Float64(Float64(t / l) * (k ^ 2.0)) * Float64(tan(k) * t_2)));
	elseif (t <= 1.1e+93)
		tmp = Float64(Float64(Float64(l * Float64(2.0 / tan(k))) / Float64((t ^ 3.0) * t_2)) / Float64(2.0 + Float64(Float64(k * Float64(k / t)) / t)));
	else
		tmp = t_1;
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = 2.0 / ((tan(k) * (sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))));
	t_2 = sin(k) / l;
	tmp = 0.0;
	if (t <= -9.5e+103)
		tmp = t_1;
	elseif (t <= -5e-40)
		tmp = (l * ((l / sin(k)) * (2.0 / (tan(k) * (t ^ 3.0))))) / (2.0 + ((k / t) / (t / k)));
	elseif (t <= 2.5e-58)
		tmp = 2.0 / (((t / l) * (k ^ 2.0)) * (tan(k) * t_2));
	elseif (t <= 1.1e+93)
		tmp = ((l * (2.0 / tan(k))) / ((t ^ 3.0) * t_2)) / (2.0 + ((k * (k / t)) / t));
	else
		tmp = t_1;
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[(2.0 / N[(N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[(t / l), $MachinePrecision] * N[(t * N[(t / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(1.0 + N[(1.0 + N[(k / N[(t * N[(t / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[Sin[k], $MachinePrecision] / l), $MachinePrecision]}, If[LessEqual[t, -9.5e+103], t$95$1, If[LessEqual[t, -5e-40], N[(N[(l * N[(N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision] * N[(2.0 / N[(N[Tan[k], $MachinePrecision] * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[(N[(k / t), $MachinePrecision] / N[(t / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 2.5e-58], N[(2.0 / N[(N[(N[(t / l), $MachinePrecision] * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * t$95$2), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 1.1e+93], N[(N[(N[(l * N[(2.0 / N[Tan[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[Power[t, 3.0], $MachinePrecision] * t$95$2), $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[(N[(k * N[(k / t), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], t$95$1]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right)\right)\right) \cdot \left(1 + \left(1 + \frac{k}{t \cdot \frac{t}{k}}\right)\right)}\\
t_2 := \frac{\sin k}{\ell}\\
\mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\
\;\;\;\;t_1\\

\mathbf{elif}\;t \leq -5 \cdot 10^{-40}:\\
\;\;\;\;\frac{\ell \cdot \left(\frac{\ell}{\sin k} \cdot \frac{2}{\tan k \cdot {t}^{3}}\right)}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\

\mathbf{elif}\;t \leq 2.5 \cdot 10^{-58}:\\
\;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\tan k \cdot t_2\right)}\\

\mathbf{elif}\;t \leq 1.1 \cdot 10^{+93}:\\
\;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot t_2}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\

\mathbf{else}:\\
\;\;\;\;t_1\\


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if t < -9.49999999999999922e103 or 1.10000000000000011e93 < t

    1. Initial program 57.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. unpow357.5%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. times-frac76.3%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t \cdot t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. pow176.3%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{1}} \cdot t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow176.3%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{1} \cdot \color{blue}{{t}^{1}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow-sqr76.3%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{\left(2 \cdot 1\right)}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. metadata-eval76.3%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{\color{blue}{2}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr76.3%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Step-by-step derivation
      1. div-inv61.3%

        \[\leadsto \frac{2}{\left(\color{blue}{\left({t}^{2} \cdot \frac{1}{\ell}\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      2. unpow261.3%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(t \cdot t\right)} \cdot \frac{1}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      3. associate-*l*69.9%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(t \cdot \left(t \cdot \frac{1}{\ell}\right)\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      4. div-inv69.9%

        \[\leadsto \frac{2}{\left(\left(t \cdot \color{blue}{\frac{t}{\ell}}\right) \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
    5. Applied egg-rr93.3%

      \[\leadsto \frac{2}{\left(\left(\left(\color{blue}{\left(t \cdot \frac{t}{\ell}\right)} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Step-by-step derivation
      1. unpow293.3%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}\right) + 1\right)} \]
      2. clear-num93.3%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{1}{\frac{t}{k}}} \cdot \frac{k}{t}\right) + 1\right)} \]
      3. frac-times93.3%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{1 \cdot k}{\frac{t}{k} \cdot t}}\right) + 1\right)} \]
      4. *-un-lft-identity93.3%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\color{blue}{k}}{\frac{t}{k} \cdot t}\right) + 1\right)} \]
    7. Applied egg-rr93.3%

      \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{\frac{t}{k} \cdot t}}\right) + 1\right)} \]

    if -9.49999999999999922e103 < t < -4.99999999999999965e-40

    1. Initial program 75.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*75.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg75.2%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified91.8%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. unpow291.8%

        \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}} \]
      2. clear-num91.8%

        \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \frac{k}{t} \cdot \color{blue}{\frac{1}{\frac{t}{k}}}} \]
      3. un-div-inv91.8%

        \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}} \]
    5. Applied egg-rr91.8%

      \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}} \]
    6. Step-by-step derivation
      1. associate-*r/96.2%

        \[\leadsto \frac{\color{blue}{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \ell}{\frac{\sin k}{\ell}}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      2. div-inv96.1%

        \[\leadsto \frac{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \ell}{\color{blue}{\sin k \cdot \frac{1}{\ell}}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      3. associate-/r*96.3%

        \[\leadsto \frac{\color{blue}{\frac{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \ell}{\sin k}}{\frac{1}{\ell}}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      4. *-commutative96.3%

        \[\leadsto \frac{\frac{\frac{\color{blue}{\ell \cdot \frac{\frac{2}{\tan k}}{{t}^{3}}}}{\sin k}}{\frac{1}{\ell}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
    7. Applied egg-rr96.3%

      \[\leadsto \frac{\color{blue}{\frac{\frac{\ell \cdot \frac{\frac{2}{\tan k}}{{t}^{3}}}{\sin k}}{\frac{1}{\ell}}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
    8. Step-by-step derivation
      1. associate-/r/96.2%

        \[\leadsto \frac{\color{blue}{\frac{\frac{\ell \cdot \frac{\frac{2}{\tan k}}{{t}^{3}}}{\sin k}}{1} \cdot \ell}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      2. associate-/l*85.7%

        \[\leadsto \frac{\frac{\color{blue}{\frac{\ell}{\frac{\sin k}{\frac{\frac{2}{\tan k}}{{t}^{3}}}}}}{1} \cdot \ell}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      3. associate-/r/96.2%

        \[\leadsto \frac{\frac{\color{blue}{\frac{\ell}{\sin k} \cdot \frac{\frac{2}{\tan k}}{{t}^{3}}}}{1} \cdot \ell}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      4. associate-/l/96.4%

        \[\leadsto \frac{\frac{\frac{\ell}{\sin k} \cdot \color{blue}{\frac{2}{{t}^{3} \cdot \tan k}}}{1} \cdot \ell}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
    9. Simplified96.4%

      \[\leadsto \frac{\color{blue}{\frac{\frac{\ell}{\sin k} \cdot \frac{2}{{t}^{3} \cdot \tan k}}{1} \cdot \ell}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]

    if -4.99999999999999965e-40 < t < 2.49999999999999989e-58

    1. Initial program 38.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Taylor expanded in t around 0 75.4%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}} \]
    3. Step-by-step derivation
      1. times-frac72.1%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    4. Simplified72.1%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    5. Step-by-step derivation
      1. associate-*l/75.5%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}{{\ell}^{2}}}} \]
      2. unpow275.5%

        \[\leadsto \frac{2}{\frac{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}{\color{blue}{\ell \cdot \ell}}} \]
      3. clear-num75.5%

        \[\leadsto \frac{2}{\color{blue}{\frac{1}{\frac{\ell \cdot \ell}{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}}}} \]
      4. unpow275.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{\color{blue}{{\ell}^{2}}}{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}}} \]
      5. associate-/l*75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{{k}^{2} \cdot \color{blue}{\frac{t}{\frac{\cos k}{{\sin k}^{2}}}}}}} \]
      6. associate-*r/75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\color{blue}{\frac{{k}^{2} \cdot t}{\frac{\cos k}{{\sin k}^{2}}}}}}} \]
      7. clear-num75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\color{blue}{\frac{1}{\frac{{\sin k}^{2}}{\cos k}}}}}}} \]
      8. unpow275.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\frac{\color{blue}{\sin k \cdot \sin k}}{\cos k}}}}}} \]
      9. associate-*r/75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\color{blue}{\sin k \cdot \frac{\sin k}{\cos k}}}}}}} \]
      10. tan-quot75.4%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \color{blue}{\tan k}}}}}} \]
    6. Applied egg-rr75.4%

      \[\leadsto \frac{2}{\color{blue}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}}}} \]
    7. Step-by-step derivation
      1. associate-/l*75.4%

        \[\leadsto \frac{2}{\color{blue}{\frac{1 \cdot \frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}{{\ell}^{2}}}} \]
      2. unpow275.4%

        \[\leadsto \frac{2}{\frac{1 \cdot \frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}{\color{blue}{\ell \cdot \ell}}} \]
      3. *-un-lft-identity75.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{\frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}}{\ell \cdot \ell}} \]
      4. associate-/r/75.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{\frac{{k}^{2} \cdot t}{1} \cdot \left(\sin k \cdot \tan k\right)}}{\ell \cdot \ell}} \]
      5. /-rgt-identity75.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{\left({k}^{2} \cdot t\right)} \cdot \left(\sin k \cdot \tan k\right)}{\ell \cdot \ell}} \]
      6. times-frac84.4%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{\ell} \cdot \frac{\sin k \cdot \tan k}{\ell}}} \]
      7. *-commutative84.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{\ell} \cdot \frac{\sin k \cdot \tan k}{\ell}} \]
    8. Applied egg-rr84.4%

      \[\leadsto \frac{2}{\color{blue}{\frac{t \cdot {k}^{2}}{\ell} \cdot \frac{\sin k \cdot \tan k}{\ell}}} \]
    9. Step-by-step derivation
      1. associate-/l*84.7%

        \[\leadsto \frac{2}{\color{blue}{\frac{t}{\frac{\ell}{{k}^{2}}}} \cdot \frac{\sin k \cdot \tan k}{\ell}} \]
      2. associate-/r/86.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot {k}^{2}\right)} \cdot \frac{\sin k \cdot \tan k}{\ell}} \]
      3. associate-/l*86.8%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \color{blue}{\frac{\sin k}{\frac{\ell}{\tan k}}}} \]
      4. associate-/r/86.7%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \color{blue}{\left(\frac{\sin k}{\ell} \cdot \tan k\right)}} \]
    10. Simplified86.7%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\frac{\sin k}{\ell} \cdot \tan k\right)}} \]

    if 2.49999999999999989e-58 < t < 1.10000000000000011e93

    1. Initial program 78.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*78.6%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg78.6%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified87.8%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. frac-times90.2%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k} \cdot \ell}{{t}^{3} \cdot \frac{\sin k}{\ell}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. *-commutative90.2%

        \[\leadsto \frac{\frac{\color{blue}{\ell \cdot \frac{2}{\tan k}}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr90.2%

      \[\leadsto \frac{\color{blue}{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. unpow290.2%

        \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}} \]
      2. associate-*r/90.3%

        \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t} \cdot k}{t}}} \]
    7. Applied egg-rr90.3%

      \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t} \cdot k}{t}}} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification90.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right)\right)\right) \cdot \left(1 + \left(1 + \frac{k}{t \cdot \frac{t}{k}}\right)\right)}\\ \mathbf{elif}\;t \leq -5 \cdot 10^{-40}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{\ell}{\sin k} \cdot \frac{2}{\tan k \cdot {t}^{3}}\right)}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\ \mathbf{elif}\;t \leq 2.5 \cdot 10^{-58}:\\ \;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\tan k \cdot \frac{\sin k}{\ell}\right)}\\ \mathbf{elif}\;t \leq 1.1 \cdot 10^{+93}:\\ \;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right)\right)\right) \cdot \left(1 + \left(1 + \frac{k}{t \cdot \frac{t}{k}}\right)\right)}\\ \end{array} \]

Alternative 6: 84.3% accurate, 1.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -4.2 \cdot 10^{-39} \lor \neg \left(t \leq 6.5 \cdot 10^{-17}\right):\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right)\right)\right) \cdot \left(1 + \left(1 + \frac{k}{t \cdot \frac{t}{k}}\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\tan k \cdot \frac{\sin k}{\ell}\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (or (<= t -4.2e-39) (not (<= t 6.5e-17)))
   (/
    2.0
    (*
     (* (tan k) (* (sin k) (* (/ t l) (* t (/ t l)))))
     (+ 1.0 (+ 1.0 (/ k (* t (/ t k)))))))
   (/ 2.0 (* (* (/ t l) (pow k 2.0)) (* (tan k) (/ (sin k) l))))))
double code(double t, double l, double k) {
	double tmp;
	if ((t <= -4.2e-39) || !(t <= 6.5e-17)) {
		tmp = 2.0 / ((tan(k) * (sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))));
	} else {
		tmp = 2.0 / (((t / l) * pow(k, 2.0)) * (tan(k) * (sin(k) / l)));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if ((t <= (-4.2d-39)) .or. (.not. (t <= 6.5d-17))) then
        tmp = 2.0d0 / ((tan(k) * (sin(k) * ((t / l) * (t * (t / l))))) * (1.0d0 + (1.0d0 + (k / (t * (t / k))))))
    else
        tmp = 2.0d0 / (((t / l) * (k ** 2.0d0)) * (tan(k) * (sin(k) / l)))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if ((t <= -4.2e-39) || !(t <= 6.5e-17)) {
		tmp = 2.0 / ((Math.tan(k) * (Math.sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))));
	} else {
		tmp = 2.0 / (((t / l) * Math.pow(k, 2.0)) * (Math.tan(k) * (Math.sin(k) / l)));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if (t <= -4.2e-39) or not (t <= 6.5e-17):
		tmp = 2.0 / ((math.tan(k) * (math.sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))))
	else:
		tmp = 2.0 / (((t / l) * math.pow(k, 2.0)) * (math.tan(k) * (math.sin(k) / l)))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if ((t <= -4.2e-39) || !(t <= 6.5e-17))
		tmp = Float64(2.0 / Float64(Float64(tan(k) * Float64(sin(k) * Float64(Float64(t / l) * Float64(t * Float64(t / l))))) * Float64(1.0 + Float64(1.0 + Float64(k / Float64(t * Float64(t / k)))))));
	else
		tmp = Float64(2.0 / Float64(Float64(Float64(t / l) * (k ^ 2.0)) * Float64(tan(k) * Float64(sin(k) / l))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if ((t <= -4.2e-39) || ~((t <= 6.5e-17)))
		tmp = 2.0 / ((tan(k) * (sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))));
	else
		tmp = 2.0 / (((t / l) * (k ^ 2.0)) * (tan(k) * (sin(k) / l)));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[Or[LessEqual[t, -4.2e-39], N[Not[LessEqual[t, 6.5e-17]], $MachinePrecision]], N[(2.0 / N[(N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[(t / l), $MachinePrecision] * N[(t * N[(t / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(1.0 + N[(1.0 + N[(k / N[(t * N[(t / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(N[(t / l), $MachinePrecision] * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -4.2 \cdot 10^{-39} \lor \neg \left(t \leq 6.5 \cdot 10^{-17}\right):\\
\;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right)\right)\right) \cdot \left(1 + \left(1 + \frac{k}{t \cdot \frac{t}{k}}\right)\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\tan k \cdot \frac{\sin k}{\ell}\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t < -4.19999999999999987e-39 or 6.4999999999999996e-17 < t

    1. Initial program 65.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. unpow365.9%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. times-frac77.2%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t \cdot t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. pow177.2%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{1}} \cdot t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow177.2%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{1} \cdot \color{blue}{{t}^{1}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow-sqr77.2%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{\left(2 \cdot 1\right)}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. metadata-eval77.2%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{\color{blue}{2}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr77.2%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Step-by-step derivation
      1. div-inv60.8%

        \[\leadsto \frac{2}{\left(\color{blue}{\left({t}^{2} \cdot \frac{1}{\ell}\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      2. unpow260.8%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(t \cdot t\right)} \cdot \frac{1}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      3. associate-*l*65.6%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(t \cdot \left(t \cdot \frac{1}{\ell}\right)\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      4. div-inv65.6%

        \[\leadsto \frac{2}{\left(\left(t \cdot \color{blue}{\frac{t}{\ell}}\right) \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
    5. Applied egg-rr86.8%

      \[\leadsto \frac{2}{\left(\left(\left(\color{blue}{\left(t \cdot \frac{t}{\ell}\right)} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Step-by-step derivation
      1. unpow286.8%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}\right) + 1\right)} \]
      2. clear-num86.9%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{1}{\frac{t}{k}}} \cdot \frac{k}{t}\right) + 1\right)} \]
      3. frac-times86.9%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{1 \cdot k}{\frac{t}{k} \cdot t}}\right) + 1\right)} \]
      4. *-un-lft-identity86.9%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\color{blue}{k}}{\frac{t}{k} \cdot t}\right) + 1\right)} \]
    7. Applied egg-rr86.9%

      \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{\frac{t}{k} \cdot t}}\right) + 1\right)} \]

    if -4.19999999999999987e-39 < t < 6.4999999999999996e-17

    1. Initial program 40.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Taylor expanded in t around 0 75.5%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}} \]
    3. Step-by-step derivation
      1. times-frac72.4%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    4. Simplified72.4%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    5. Step-by-step derivation
      1. associate-*l/75.5%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}{{\ell}^{2}}}} \]
      2. unpow275.5%

        \[\leadsto \frac{2}{\frac{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}{\color{blue}{\ell \cdot \ell}}} \]
      3. clear-num75.5%

        \[\leadsto \frac{2}{\color{blue}{\frac{1}{\frac{\ell \cdot \ell}{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}}}} \]
      4. unpow275.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{\color{blue}{{\ell}^{2}}}{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}}} \]
      5. associate-/l*75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{{k}^{2} \cdot \color{blue}{\frac{t}{\frac{\cos k}{{\sin k}^{2}}}}}}} \]
      6. associate-*r/75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\color{blue}{\frac{{k}^{2} \cdot t}{\frac{\cos k}{{\sin k}^{2}}}}}}} \]
      7. clear-num75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\color{blue}{\frac{1}{\frac{{\sin k}^{2}}{\cos k}}}}}}} \]
      8. unpow275.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\frac{\color{blue}{\sin k \cdot \sin k}}{\cos k}}}}}} \]
      9. associate-*r/75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\color{blue}{\sin k \cdot \frac{\sin k}{\cos k}}}}}}} \]
      10. tan-quot75.5%

        \[\leadsto \frac{2}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \color{blue}{\tan k}}}}}} \]
    6. Applied egg-rr75.5%

      \[\leadsto \frac{2}{\color{blue}{\frac{1}{\frac{{\ell}^{2}}{\frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}}}} \]
    7. Step-by-step derivation
      1. associate-/l*75.4%

        \[\leadsto \frac{2}{\color{blue}{\frac{1 \cdot \frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}{{\ell}^{2}}}} \]
      2. unpow275.4%

        \[\leadsto \frac{2}{\frac{1 \cdot \frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}{\color{blue}{\ell \cdot \ell}}} \]
      3. *-un-lft-identity75.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{\frac{{k}^{2} \cdot t}{\frac{1}{\sin k \cdot \tan k}}}}{\ell \cdot \ell}} \]
      4. associate-/r/75.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{\frac{{k}^{2} \cdot t}{1} \cdot \left(\sin k \cdot \tan k\right)}}{\ell \cdot \ell}} \]
      5. /-rgt-identity75.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{\left({k}^{2} \cdot t\right)} \cdot \left(\sin k \cdot \tan k\right)}{\ell \cdot \ell}} \]
      6. times-frac84.6%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{\ell} \cdot \frac{\sin k \cdot \tan k}{\ell}}} \]
      7. *-commutative84.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{\ell} \cdot \frac{\sin k \cdot \tan k}{\ell}} \]
    8. Applied egg-rr84.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{t \cdot {k}^{2}}{\ell} \cdot \frac{\sin k \cdot \tan k}{\ell}}} \]
    9. Step-by-step derivation
      1. associate-/l*84.9%

        \[\leadsto \frac{2}{\color{blue}{\frac{t}{\frac{\ell}{{k}^{2}}}} \cdot \frac{\sin k \cdot \tan k}{\ell}} \]
      2. associate-/r/86.9%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot {k}^{2}\right)} \cdot \frac{\sin k \cdot \tan k}{\ell}} \]
      3. associate-/l*86.9%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \color{blue}{\frac{\sin k}{\frac{\ell}{\tan k}}}} \]
      4. associate-/r/86.8%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \color{blue}{\left(\frac{\sin k}{\ell} \cdot \tan k\right)}} \]
    10. Simplified86.8%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\frac{\sin k}{\ell} \cdot \tan k\right)}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification86.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -4.2 \cdot 10^{-39} \lor \neg \left(t \leq 6.5 \cdot 10^{-17}\right):\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right)\right)\right) \cdot \left(1 + \left(1 + \frac{k}{t \cdot \frac{t}{k}}\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot {k}^{2}\right) \cdot \left(\tan k \cdot \frac{\sin k}{\ell}\right)}\\ \end{array} \]

Alternative 7: 78.3% accurate, 1.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -6.8 \cdot 10^{-124} \lor \neg \left(t \leq 8 \cdot 10^{-94}\right):\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right)\right)\right) \cdot \left(1 + \left(1 + \frac{k}{t \cdot \frac{t}{k}}\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (or (<= t -6.8e-124) (not (<= t 8e-94)))
   (/
    2.0
    (*
     (* (tan k) (* (sin k) (* (/ t l) (* t (/ t l)))))
     (+ 1.0 (+ 1.0 (/ k (* t (/ t k)))))))
   (/ 2.0 (* (/ t l) (/ (pow k 4.0) l)))))
double code(double t, double l, double k) {
	double tmp;
	if ((t <= -6.8e-124) || !(t <= 8e-94)) {
		tmp = 2.0 / ((tan(k) * (sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))));
	} else {
		tmp = 2.0 / ((t / l) * (pow(k, 4.0) / l));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if ((t <= (-6.8d-124)) .or. (.not. (t <= 8d-94))) then
        tmp = 2.0d0 / ((tan(k) * (sin(k) * ((t / l) * (t * (t / l))))) * (1.0d0 + (1.0d0 + (k / (t * (t / k))))))
    else
        tmp = 2.0d0 / ((t / l) * ((k ** 4.0d0) / l))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if ((t <= -6.8e-124) || !(t <= 8e-94)) {
		tmp = 2.0 / ((Math.tan(k) * (Math.sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))));
	} else {
		tmp = 2.0 / ((t / l) * (Math.pow(k, 4.0) / l));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if (t <= -6.8e-124) or not (t <= 8e-94):
		tmp = 2.0 / ((math.tan(k) * (math.sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))))
	else:
		tmp = 2.0 / ((t / l) * (math.pow(k, 4.0) / l))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if ((t <= -6.8e-124) || !(t <= 8e-94))
		tmp = Float64(2.0 / Float64(Float64(tan(k) * Float64(sin(k) * Float64(Float64(t / l) * Float64(t * Float64(t / l))))) * Float64(1.0 + Float64(1.0 + Float64(k / Float64(t * Float64(t / k)))))));
	else
		tmp = Float64(2.0 / Float64(Float64(t / l) * Float64((k ^ 4.0) / l)));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if ((t <= -6.8e-124) || ~((t <= 8e-94)))
		tmp = 2.0 / ((tan(k) * (sin(k) * ((t / l) * (t * (t / l))))) * (1.0 + (1.0 + (k / (t * (t / k))))));
	else
		tmp = 2.0 / ((t / l) * ((k ^ 4.0) / l));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[Or[LessEqual[t, -6.8e-124], N[Not[LessEqual[t, 8e-94]], $MachinePrecision]], N[(2.0 / N[(N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[(t / l), $MachinePrecision] * N[(t * N[(t / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(1.0 + N[(1.0 + N[(k / N[(t * N[(t / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(t / l), $MachinePrecision] * N[(N[Power[k, 4.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -6.8 \cdot 10^{-124} \lor \neg \left(t \leq 8 \cdot 10^{-94}\right):\\
\;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right)\right)\right) \cdot \left(1 + \left(1 + \frac{k}{t \cdot \frac{t}{k}}\right)\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t < -6.8000000000000001e-124 or 7.9999999999999996e-94 < t

    1. Initial program 65.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. unpow365.6%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. times-frac75.5%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t \cdot t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. pow175.5%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{1}} \cdot t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow175.5%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{1} \cdot \color{blue}{{t}^{1}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow-sqr75.5%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{\left(2 \cdot 1\right)}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. metadata-eval75.5%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{\color{blue}{2}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr75.5%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Step-by-step derivation
      1. div-inv58.0%

        \[\leadsto \frac{2}{\left(\color{blue}{\left({t}^{2} \cdot \frac{1}{\ell}\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      2. unpow258.0%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(t \cdot t\right)} \cdot \frac{1}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      3. associate-*l*62.0%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(t \cdot \left(t \cdot \frac{1}{\ell}\right)\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      4. div-inv62.0%

        \[\leadsto \frac{2}{\left(\left(t \cdot \color{blue}{\frac{t}{\ell}}\right) \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
    5. Applied egg-rr83.4%

      \[\leadsto \frac{2}{\left(\left(\left(\color{blue}{\left(t \cdot \frac{t}{\ell}\right)} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Step-by-step derivation
      1. unpow283.4%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}\right) + 1\right)} \]
      2. clear-num83.4%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{1}{\frac{t}{k}}} \cdot \frac{k}{t}\right) + 1\right)} \]
      3. frac-times83.4%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{1 \cdot k}{\frac{t}{k} \cdot t}}\right) + 1\right)} \]
      4. *-un-lft-identity83.4%

        \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \frac{\color{blue}{k}}{\frac{t}{k} \cdot t}\right) + 1\right)} \]
    7. Applied egg-rr83.4%

      \[\leadsto \frac{2}{\left(\left(\left(\left(t \cdot \frac{t}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{\frac{t}{k} \cdot t}}\right) + 1\right)} \]

    if -6.8000000000000001e-124 < t < 7.9999999999999996e-94

    1. Initial program 32.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Taylor expanded in t around 0 74.8%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}} \]
    3. Step-by-step derivation
      1. times-frac71.7%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    4. Simplified71.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    5. Taylor expanded in k around 0 62.0%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4} \cdot t}{{\ell}^{2}}}} \]
    6. Step-by-step derivation
      1. unpow262.0%

        \[\leadsto \frac{2}{\frac{{k}^{4} \cdot t}{\color{blue}{\ell \cdot \ell}}} \]
      2. times-frac69.8%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4}}{\ell} \cdot \frac{t}{\ell}}} \]
    7. Applied egg-rr69.8%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4}}{\ell} \cdot \frac{t}{\ell}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification78.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -6.8 \cdot 10^{-124} \lor \neg \left(t \leq 8 \cdot 10^{-94}\right):\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right)\right)\right) \cdot \left(1 + \left(1 + \frac{k}{t \cdot \frac{t}{k}}\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}\\ \end{array} \]

Alternative 8: 67.8% accurate, 1.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -1.85 \cdot 10^{+104}:\\ \;\;\;\;2 \cdot \frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{2} \cdot \left(2 \cdot {k}^{2}\right)\right)}\\ \mathbf{elif}\;t \leq -3 \cdot 10^{-43} \lor \neg \left(t \leq 5.6 \cdot 10^{-83}\right):\\ \;\;\;\;\frac{\frac{2}{k \cdot {t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= t -1.85e+104)
   (* 2.0 (/ 1.0 (* t (* (pow (/ t l) 2.0) (* 2.0 (pow k 2.0))))))
   (if (or (<= t -3e-43) (not (<= t 5.6e-83)))
     (/
      (* (/ 2.0 (* k (pow t 3.0))) (/ l (/ (sin k) l)))
      (+ 2.0 (/ (/ k t) (/ t k))))
     (/ 2.0 (* (/ t l) (/ (pow k 4.0) l))))))
double code(double t, double l, double k) {
	double tmp;
	if (t <= -1.85e+104) {
		tmp = 2.0 * (1.0 / (t * (pow((t / l), 2.0) * (2.0 * pow(k, 2.0)))));
	} else if ((t <= -3e-43) || !(t <= 5.6e-83)) {
		tmp = ((2.0 / (k * pow(t, 3.0))) * (l / (sin(k) / l))) / (2.0 + ((k / t) / (t / k)));
	} else {
		tmp = 2.0 / ((t / l) * (pow(k, 4.0) / l));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if (t <= (-1.85d+104)) then
        tmp = 2.0d0 * (1.0d0 / (t * (((t / l) ** 2.0d0) * (2.0d0 * (k ** 2.0d0)))))
    else if ((t <= (-3d-43)) .or. (.not. (t <= 5.6d-83))) then
        tmp = ((2.0d0 / (k * (t ** 3.0d0))) * (l / (sin(k) / l))) / (2.0d0 + ((k / t) / (t / k)))
    else
        tmp = 2.0d0 / ((t / l) * ((k ** 4.0d0) / l))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (t <= -1.85e+104) {
		tmp = 2.0 * (1.0 / (t * (Math.pow((t / l), 2.0) * (2.0 * Math.pow(k, 2.0)))));
	} else if ((t <= -3e-43) || !(t <= 5.6e-83)) {
		tmp = ((2.0 / (k * Math.pow(t, 3.0))) * (l / (Math.sin(k) / l))) / (2.0 + ((k / t) / (t / k)));
	} else {
		tmp = 2.0 / ((t / l) * (Math.pow(k, 4.0) / l));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if t <= -1.85e+104:
		tmp = 2.0 * (1.0 / (t * (math.pow((t / l), 2.0) * (2.0 * math.pow(k, 2.0)))))
	elif (t <= -3e-43) or not (t <= 5.6e-83):
		tmp = ((2.0 / (k * math.pow(t, 3.0))) * (l / (math.sin(k) / l))) / (2.0 + ((k / t) / (t / k)))
	else:
		tmp = 2.0 / ((t / l) * (math.pow(k, 4.0) / l))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (t <= -1.85e+104)
		tmp = Float64(2.0 * Float64(1.0 / Float64(t * Float64((Float64(t / l) ^ 2.0) * Float64(2.0 * (k ^ 2.0))))));
	elseif ((t <= -3e-43) || !(t <= 5.6e-83))
		tmp = Float64(Float64(Float64(2.0 / Float64(k * (t ^ 3.0))) * Float64(l / Float64(sin(k) / l))) / Float64(2.0 + Float64(Float64(k / t) / Float64(t / k))));
	else
		tmp = Float64(2.0 / Float64(Float64(t / l) * Float64((k ^ 4.0) / l)));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (t <= -1.85e+104)
		tmp = 2.0 * (1.0 / (t * (((t / l) ^ 2.0) * (2.0 * (k ^ 2.0)))));
	elseif ((t <= -3e-43) || ~((t <= 5.6e-83)))
		tmp = ((2.0 / (k * (t ^ 3.0))) * (l / (sin(k) / l))) / (2.0 + ((k / t) / (t / k)));
	else
		tmp = 2.0 / ((t / l) * ((k ^ 4.0) / l));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[t, -1.85e+104], N[(2.0 * N[(1.0 / N[(t * N[(N[Power[N[(t / l), $MachinePrecision], 2.0], $MachinePrecision] * N[(2.0 * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[Or[LessEqual[t, -3e-43], N[Not[LessEqual[t, 5.6e-83]], $MachinePrecision]], N[(N[(N[(2.0 / N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l / N[(N[Sin[k], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[(N[(k / t), $MachinePrecision] / N[(t / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(t / l), $MachinePrecision] * N[(N[Power[k, 4.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -1.85 \cdot 10^{+104}:\\
\;\;\;\;2 \cdot \frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{2} \cdot \left(2 \cdot {k}^{2}\right)\right)}\\

\mathbf{elif}\;t \leq -3 \cdot 10^{-43} \lor \neg \left(t \leq 5.6 \cdot 10^{-83}\right):\\
\;\;\;\;\frac{\frac{2}{k \cdot {t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -1.8499999999999999e104

    1. Initial program 53.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*48.2%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)\right)} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. associate-*l*48.2%

        \[\leadsto \frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      3. +-commutative48.2%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} + 1\right)} + 1\right)\right)} \]
      4. unpow248.2%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right) + 1\right)\right)} \]
      5. times-frac37.3%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right) + 1\right)\right)} \]
      6. sqr-neg37.3%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right) + 1\right)\right)} \]
      7. times-frac48.2%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right) + 1\right)\right)} \]
      8. unpow248.2%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right) + 1\right)\right)} \]
      9. +-commutative48.2%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\color{blue}{\left(1 + {\left(\frac{k}{-t}\right)}^{2}\right)} + 1\right)\right)} \]
    3. Simplified48.2%

      \[\leadsto \color{blue}{\frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    4. Taylor expanded in k around 0 48.2%

      \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \color{blue}{\left(2 \cdot {k}^{2}\right)}} \]
    5. Step-by-step derivation
      1. unpow353.7%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. times-frac71.8%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t \cdot t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. pow171.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{1}} \cdot t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow171.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{1} \cdot \color{blue}{{t}^{1}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow-sqr71.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{\left(2 \cdot 1\right)}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. metadata-eval71.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{\color{blue}{2}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Applied egg-rr63.8%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \left(2 \cdot {k}^{2}\right)} \]
    7. Step-by-step derivation
      1. div-inv63.8%

        \[\leadsto \color{blue}{2 \cdot \frac{1}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)}} \]
      2. *-commutative63.8%

        \[\leadsto \color{blue}{\frac{1}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \cdot 2} \]
      3. unpow263.8%

        \[\leadsto \frac{1}{\left(\frac{\color{blue}{t \cdot t}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \cdot 2 \]
      4. associate-*r/75.2%

        \[\leadsto \frac{1}{\left(\color{blue}{\left(t \cdot \frac{t}{\ell}\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \cdot 2 \]
      5. associate-*l*75.2%

        \[\leadsto \frac{1}{\color{blue}{\left(t \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)\right)} \cdot \left(2 \cdot {k}^{2}\right)} \cdot 2 \]
      6. associate-*l*77.6%

        \[\leadsto \frac{1}{\color{blue}{t \cdot \left(\left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)\right)}} \cdot 2 \]
      7. pow177.6%

        \[\leadsto \frac{1}{t \cdot \left(\left(\color{blue}{{\left(\frac{t}{\ell}\right)}^{1}} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2 \]
      8. pow177.6%

        \[\leadsto \frac{1}{t \cdot \left(\left({\left(\frac{t}{\ell}\right)}^{1} \cdot \color{blue}{{\left(\frac{t}{\ell}\right)}^{1}}\right) \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2 \]
      9. pow-sqr77.6%

        \[\leadsto \frac{1}{t \cdot \left(\color{blue}{{\left(\frac{t}{\ell}\right)}^{\left(2 \cdot 1\right)}} \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2 \]
      10. metadata-eval77.6%

        \[\leadsto \frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{\color{blue}{2}} \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2 \]
    8. Applied egg-rr77.6%

      \[\leadsto \color{blue}{\frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{2} \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2} \]

    if -1.8499999999999999e104 < t < -3.00000000000000003e-43 or 5.6000000000000002e-83 < t

    1. Initial program 68.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*68.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg68.4%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified75.6%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. unpow275.6%

        \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}} \]
      2. clear-num75.6%

        \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \frac{k}{t} \cdot \color{blue}{\frac{1}{\frac{t}{k}}}} \]
      3. un-div-inv75.6%

        \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}} \]
    5. Applied egg-rr75.6%

      \[\leadsto \frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}} \]
    6. Taylor expanded in k around 0 65.9%

      \[\leadsto \frac{\color{blue}{\frac{2}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
    7. Step-by-step derivation
      1. *-commutative65.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{{t}^{3} \cdot k}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
    8. Simplified65.9%

      \[\leadsto \frac{\color{blue}{\frac{2}{{t}^{3} \cdot k}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]

    if -3.00000000000000003e-43 < t < 5.6000000000000002e-83

    1. Initial program 39.1%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Taylor expanded in t around 0 76.8%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}} \]
    3. Step-by-step derivation
      1. times-frac74.1%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    4. Simplified74.1%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    5. Taylor expanded in k around 0 61.5%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4} \cdot t}{{\ell}^{2}}}} \]
    6. Step-by-step derivation
      1. unpow261.5%

        \[\leadsto \frac{2}{\frac{{k}^{4} \cdot t}{\color{blue}{\ell \cdot \ell}}} \]
      2. times-frac69.0%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4}}{\ell} \cdot \frac{t}{\ell}}} \]
    7. Applied egg-rr69.0%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4}}{\ell} \cdot \frac{t}{\ell}}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification68.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -1.85 \cdot 10^{+104}:\\ \;\;\;\;2 \cdot \frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{2} \cdot \left(2 \cdot {k}^{2}\right)\right)}\\ \mathbf{elif}\;t \leq -3 \cdot 10^{-43} \lor \neg \left(t \leq 5.6 \cdot 10^{-83}\right):\\ \;\;\;\;\frac{\frac{2}{k \cdot {t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}\\ \end{array} \]

Alternative 9: 69.8% accurate, 1.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\ \;\;\;\;2 \cdot \frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{2} \cdot \left(2 \cdot {k}^{2}\right)\right)}\\ \mathbf{elif}\;t \leq -2.8 \cdot 10^{-58} \lor \neg \left(t \leq 2.8 \cdot 10^{-58}\right):\\ \;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{k}{\ell}}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= t -9.5e+103)
   (* 2.0 (/ 1.0 (* t (* (pow (/ t l) 2.0) (* 2.0 (pow k 2.0))))))
   (if (or (<= t -2.8e-58) (not (<= t 2.8e-58)))
     (/
      (/ (* l (/ 2.0 (tan k))) (* (pow t 3.0) (/ k l)))
      (+ 2.0 (/ (* k (/ k t)) t)))
     (/ 2.0 (* (/ t l) (/ (pow k 4.0) l))))))
double code(double t, double l, double k) {
	double tmp;
	if (t <= -9.5e+103) {
		tmp = 2.0 * (1.0 / (t * (pow((t / l), 2.0) * (2.0 * pow(k, 2.0)))));
	} else if ((t <= -2.8e-58) || !(t <= 2.8e-58)) {
		tmp = ((l * (2.0 / tan(k))) / (pow(t, 3.0) * (k / l))) / (2.0 + ((k * (k / t)) / t));
	} else {
		tmp = 2.0 / ((t / l) * (pow(k, 4.0) / l));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if (t <= (-9.5d+103)) then
        tmp = 2.0d0 * (1.0d0 / (t * (((t / l) ** 2.0d0) * (2.0d0 * (k ** 2.0d0)))))
    else if ((t <= (-2.8d-58)) .or. (.not. (t <= 2.8d-58))) then
        tmp = ((l * (2.0d0 / tan(k))) / ((t ** 3.0d0) * (k / l))) / (2.0d0 + ((k * (k / t)) / t))
    else
        tmp = 2.0d0 / ((t / l) * ((k ** 4.0d0) / l))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (t <= -9.5e+103) {
		tmp = 2.0 * (1.0 / (t * (Math.pow((t / l), 2.0) * (2.0 * Math.pow(k, 2.0)))));
	} else if ((t <= -2.8e-58) || !(t <= 2.8e-58)) {
		tmp = ((l * (2.0 / Math.tan(k))) / (Math.pow(t, 3.0) * (k / l))) / (2.0 + ((k * (k / t)) / t));
	} else {
		tmp = 2.0 / ((t / l) * (Math.pow(k, 4.0) / l));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if t <= -9.5e+103:
		tmp = 2.0 * (1.0 / (t * (math.pow((t / l), 2.0) * (2.0 * math.pow(k, 2.0)))))
	elif (t <= -2.8e-58) or not (t <= 2.8e-58):
		tmp = ((l * (2.0 / math.tan(k))) / (math.pow(t, 3.0) * (k / l))) / (2.0 + ((k * (k / t)) / t))
	else:
		tmp = 2.0 / ((t / l) * (math.pow(k, 4.0) / l))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (t <= -9.5e+103)
		tmp = Float64(2.0 * Float64(1.0 / Float64(t * Float64((Float64(t / l) ^ 2.0) * Float64(2.0 * (k ^ 2.0))))));
	elseif ((t <= -2.8e-58) || !(t <= 2.8e-58))
		tmp = Float64(Float64(Float64(l * Float64(2.0 / tan(k))) / Float64((t ^ 3.0) * Float64(k / l))) / Float64(2.0 + Float64(Float64(k * Float64(k / t)) / t)));
	else
		tmp = Float64(2.0 / Float64(Float64(t / l) * Float64((k ^ 4.0) / l)));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (t <= -9.5e+103)
		tmp = 2.0 * (1.0 / (t * (((t / l) ^ 2.0) * (2.0 * (k ^ 2.0)))));
	elseif ((t <= -2.8e-58) || ~((t <= 2.8e-58)))
		tmp = ((l * (2.0 / tan(k))) / ((t ^ 3.0) * (k / l))) / (2.0 + ((k * (k / t)) / t));
	else
		tmp = 2.0 / ((t / l) * ((k ^ 4.0) / l));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[t, -9.5e+103], N[(2.0 * N[(1.0 / N[(t * N[(N[Power[N[(t / l), $MachinePrecision], 2.0], $MachinePrecision] * N[(2.0 * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[Or[LessEqual[t, -2.8e-58], N[Not[LessEqual[t, 2.8e-58]], $MachinePrecision]], N[(N[(N[(l * N[(2.0 / N[Tan[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[Power[t, 3.0], $MachinePrecision] * N[(k / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[(N[(k * N[(k / t), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(t / l), $MachinePrecision] * N[(N[Power[k, 4.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\
\;\;\;\;2 \cdot \frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{2} \cdot \left(2 \cdot {k}^{2}\right)\right)}\\

\mathbf{elif}\;t \leq -2.8 \cdot 10^{-58} \lor \neg \left(t \leq 2.8 \cdot 10^{-58}\right):\\
\;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{k}{\ell}}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -9.49999999999999922e103

    1. Initial program 53.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*48.2%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)\right)} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. associate-*l*48.2%

        \[\leadsto \frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      3. +-commutative48.2%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} + 1\right)} + 1\right)\right)} \]
      4. unpow248.2%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right) + 1\right)\right)} \]
      5. times-frac37.3%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right) + 1\right)\right)} \]
      6. sqr-neg37.3%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right) + 1\right)\right)} \]
      7. times-frac48.2%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right) + 1\right)\right)} \]
      8. unpow248.2%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right) + 1\right)\right)} \]
      9. +-commutative48.2%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\color{blue}{\left(1 + {\left(\frac{k}{-t}\right)}^{2}\right)} + 1\right)\right)} \]
    3. Simplified48.2%

      \[\leadsto \color{blue}{\frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    4. Taylor expanded in k around 0 48.2%

      \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \color{blue}{\left(2 \cdot {k}^{2}\right)}} \]
    5. Step-by-step derivation
      1. unpow353.7%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. times-frac71.8%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t \cdot t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. pow171.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{1}} \cdot t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow171.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{1} \cdot \color{blue}{{t}^{1}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow-sqr71.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{\left(2 \cdot 1\right)}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. metadata-eval71.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{\color{blue}{2}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Applied egg-rr63.8%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \left(2 \cdot {k}^{2}\right)} \]
    7. Step-by-step derivation
      1. div-inv63.8%

        \[\leadsto \color{blue}{2 \cdot \frac{1}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)}} \]
      2. *-commutative63.8%

        \[\leadsto \color{blue}{\frac{1}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \cdot 2} \]
      3. unpow263.8%

        \[\leadsto \frac{1}{\left(\frac{\color{blue}{t \cdot t}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \cdot 2 \]
      4. associate-*r/75.2%

        \[\leadsto \frac{1}{\left(\color{blue}{\left(t \cdot \frac{t}{\ell}\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \cdot 2 \]
      5. associate-*l*75.2%

        \[\leadsto \frac{1}{\color{blue}{\left(t \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)\right)} \cdot \left(2 \cdot {k}^{2}\right)} \cdot 2 \]
      6. associate-*l*77.6%

        \[\leadsto \frac{1}{\color{blue}{t \cdot \left(\left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)\right)}} \cdot 2 \]
      7. pow177.6%

        \[\leadsto \frac{1}{t \cdot \left(\left(\color{blue}{{\left(\frac{t}{\ell}\right)}^{1}} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2 \]
      8. pow177.6%

        \[\leadsto \frac{1}{t \cdot \left(\left({\left(\frac{t}{\ell}\right)}^{1} \cdot \color{blue}{{\left(\frac{t}{\ell}\right)}^{1}}\right) \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2 \]
      9. pow-sqr77.6%

        \[\leadsto \frac{1}{t \cdot \left(\color{blue}{{\left(\frac{t}{\ell}\right)}^{\left(2 \cdot 1\right)}} \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2 \]
      10. metadata-eval77.6%

        \[\leadsto \frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{\color{blue}{2}} \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2 \]
    8. Applied egg-rr77.6%

      \[\leadsto \color{blue}{\frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{2} \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2} \]

    if -9.49999999999999922e103 < t < -2.8000000000000001e-58 or 2.8000000000000001e-58 < t

    1. Initial program 71.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*71.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg71.5%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified79.0%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. frac-times82.1%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k} \cdot \ell}{{t}^{3} \cdot \frac{\sin k}{\ell}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. *-commutative82.1%

        \[\leadsto \frac{\frac{\color{blue}{\ell \cdot \frac{2}{\tan k}}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr82.1%

      \[\leadsto \frac{\color{blue}{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. unpow282.1%

        \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}} \]
      2. associate-*r/81.2%

        \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t} \cdot k}{t}}} \]
    7. Applied egg-rr81.2%

      \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t} \cdot k}{t}}} \]
    8. Taylor expanded in k around 0 71.2%

      \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{\color{blue}{\frac{k \cdot {t}^{3}}{\ell}}}}{2 + \frac{\frac{k}{t} \cdot k}{t}} \]
    9. Step-by-step derivation
      1. associate-/l*66.9%

        \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{\color{blue}{\frac{k}{\frac{\ell}{{t}^{3}}}}}}{2 + \frac{\frac{k}{t} \cdot k}{t}} \]
      2. associate-/r/71.2%

        \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{\color{blue}{\frac{k}{\ell} \cdot {t}^{3}}}}{2 + \frac{\frac{k}{t} \cdot k}{t}} \]
    10. Simplified71.2%

      \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{\color{blue}{\frac{k}{\ell} \cdot {t}^{3}}}}{2 + \frac{\frac{k}{t} \cdot k}{t}} \]

    if -2.8000000000000001e-58 < t < 2.8000000000000001e-58

    1. Initial program 37.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Taylor expanded in t around 0 75.2%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}} \]
    3. Step-by-step derivation
      1. times-frac71.9%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    4. Simplified71.9%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    5. Taylor expanded in k around 0 59.8%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4} \cdot t}{{\ell}^{2}}}} \]
    6. Step-by-step derivation
      1. unpow259.8%

        \[\leadsto \frac{2}{\frac{{k}^{4} \cdot t}{\color{blue}{\ell \cdot \ell}}} \]
      2. times-frac66.9%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4}}{\ell} \cdot \frac{t}{\ell}}} \]
    7. Applied egg-rr66.9%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4}}{\ell} \cdot \frac{t}{\ell}}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification70.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\ \;\;\;\;2 \cdot \frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{2} \cdot \left(2 \cdot {k}^{2}\right)\right)}\\ \mathbf{elif}\;t \leq -2.8 \cdot 10^{-58} \lor \neg \left(t \leq 2.8 \cdot 10^{-58}\right):\\ \;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{k}{\ell}}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}\\ \end{array} \]

Alternative 10: 69.5% accurate, 1.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\ \;\;\;\;2 \cdot \frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{2} \cdot \left(2 \cdot {k}^{2}\right)\right)}\\ \mathbf{elif}\;t \leq -2.8 \cdot 10^{-58} \lor \neg \left(t \leq 7.7 \cdot 10^{-59}\right):\\ \;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{\frac{k \cdot {t}^{3}}{\ell}}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= t -9.5e+103)
   (* 2.0 (/ 1.0 (* t (* (pow (/ t l) 2.0) (* 2.0 (pow k 2.0))))))
   (if (or (<= t -2.8e-58) (not (<= t 7.7e-59)))
     (/
      (/ (* l (/ 2.0 (tan k))) (/ (* k (pow t 3.0)) l))
      (+ 2.0 (/ (* k (/ k t)) t)))
     (/ 2.0 (* (/ t l) (/ (pow k 4.0) l))))))
double code(double t, double l, double k) {
	double tmp;
	if (t <= -9.5e+103) {
		tmp = 2.0 * (1.0 / (t * (pow((t / l), 2.0) * (2.0 * pow(k, 2.0)))));
	} else if ((t <= -2.8e-58) || !(t <= 7.7e-59)) {
		tmp = ((l * (2.0 / tan(k))) / ((k * pow(t, 3.0)) / l)) / (2.0 + ((k * (k / t)) / t));
	} else {
		tmp = 2.0 / ((t / l) * (pow(k, 4.0) / l));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if (t <= (-9.5d+103)) then
        tmp = 2.0d0 * (1.0d0 / (t * (((t / l) ** 2.0d0) * (2.0d0 * (k ** 2.0d0)))))
    else if ((t <= (-2.8d-58)) .or. (.not. (t <= 7.7d-59))) then
        tmp = ((l * (2.0d0 / tan(k))) / ((k * (t ** 3.0d0)) / l)) / (2.0d0 + ((k * (k / t)) / t))
    else
        tmp = 2.0d0 / ((t / l) * ((k ** 4.0d0) / l))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (t <= -9.5e+103) {
		tmp = 2.0 * (1.0 / (t * (Math.pow((t / l), 2.0) * (2.0 * Math.pow(k, 2.0)))));
	} else if ((t <= -2.8e-58) || !(t <= 7.7e-59)) {
		tmp = ((l * (2.0 / Math.tan(k))) / ((k * Math.pow(t, 3.0)) / l)) / (2.0 + ((k * (k / t)) / t));
	} else {
		tmp = 2.0 / ((t / l) * (Math.pow(k, 4.0) / l));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if t <= -9.5e+103:
		tmp = 2.0 * (1.0 / (t * (math.pow((t / l), 2.0) * (2.0 * math.pow(k, 2.0)))))
	elif (t <= -2.8e-58) or not (t <= 7.7e-59):
		tmp = ((l * (2.0 / math.tan(k))) / ((k * math.pow(t, 3.0)) / l)) / (2.0 + ((k * (k / t)) / t))
	else:
		tmp = 2.0 / ((t / l) * (math.pow(k, 4.0) / l))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (t <= -9.5e+103)
		tmp = Float64(2.0 * Float64(1.0 / Float64(t * Float64((Float64(t / l) ^ 2.0) * Float64(2.0 * (k ^ 2.0))))));
	elseif ((t <= -2.8e-58) || !(t <= 7.7e-59))
		tmp = Float64(Float64(Float64(l * Float64(2.0 / tan(k))) / Float64(Float64(k * (t ^ 3.0)) / l)) / Float64(2.0 + Float64(Float64(k * Float64(k / t)) / t)));
	else
		tmp = Float64(2.0 / Float64(Float64(t / l) * Float64((k ^ 4.0) / l)));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (t <= -9.5e+103)
		tmp = 2.0 * (1.0 / (t * (((t / l) ^ 2.0) * (2.0 * (k ^ 2.0)))));
	elseif ((t <= -2.8e-58) || ~((t <= 7.7e-59)))
		tmp = ((l * (2.0 / tan(k))) / ((k * (t ^ 3.0)) / l)) / (2.0 + ((k * (k / t)) / t));
	else
		tmp = 2.0 / ((t / l) * ((k ^ 4.0) / l));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[t, -9.5e+103], N[(2.0 * N[(1.0 / N[(t * N[(N[Power[N[(t / l), $MachinePrecision], 2.0], $MachinePrecision] * N[(2.0 * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[Or[LessEqual[t, -2.8e-58], N[Not[LessEqual[t, 7.7e-59]], $MachinePrecision]], N[(N[(N[(l * N[(2.0 / N[Tan[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[(N[(k * N[(k / t), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(t / l), $MachinePrecision] * N[(N[Power[k, 4.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\
\;\;\;\;2 \cdot \frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{2} \cdot \left(2 \cdot {k}^{2}\right)\right)}\\

\mathbf{elif}\;t \leq -2.8 \cdot 10^{-58} \lor \neg \left(t \leq 7.7 \cdot 10^{-59}\right):\\
\;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{\frac{k \cdot {t}^{3}}{\ell}}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -9.49999999999999922e103

    1. Initial program 53.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*48.2%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)\right)} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. associate-*l*48.2%

        \[\leadsto \frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      3. +-commutative48.2%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} + 1\right)} + 1\right)\right)} \]
      4. unpow248.2%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right) + 1\right)\right)} \]
      5. times-frac37.3%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right) + 1\right)\right)} \]
      6. sqr-neg37.3%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right) + 1\right)\right)} \]
      7. times-frac48.2%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right) + 1\right)\right)} \]
      8. unpow248.2%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right) + 1\right)\right)} \]
      9. +-commutative48.2%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\color{blue}{\left(1 + {\left(\frac{k}{-t}\right)}^{2}\right)} + 1\right)\right)} \]
    3. Simplified48.2%

      \[\leadsto \color{blue}{\frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    4. Taylor expanded in k around 0 48.2%

      \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \color{blue}{\left(2 \cdot {k}^{2}\right)}} \]
    5. Step-by-step derivation
      1. unpow353.7%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. times-frac71.8%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t \cdot t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. pow171.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{1}} \cdot t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow171.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{1} \cdot \color{blue}{{t}^{1}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow-sqr71.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{\left(2 \cdot 1\right)}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. metadata-eval71.8%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{\color{blue}{2}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Applied egg-rr63.8%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \left(2 \cdot {k}^{2}\right)} \]
    7. Step-by-step derivation
      1. div-inv63.8%

        \[\leadsto \color{blue}{2 \cdot \frac{1}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)}} \]
      2. *-commutative63.8%

        \[\leadsto \color{blue}{\frac{1}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \cdot 2} \]
      3. unpow263.8%

        \[\leadsto \frac{1}{\left(\frac{\color{blue}{t \cdot t}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \cdot 2 \]
      4. associate-*r/75.2%

        \[\leadsto \frac{1}{\left(\color{blue}{\left(t \cdot \frac{t}{\ell}\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \cdot 2 \]
      5. associate-*l*75.2%

        \[\leadsto \frac{1}{\color{blue}{\left(t \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)\right)} \cdot \left(2 \cdot {k}^{2}\right)} \cdot 2 \]
      6. associate-*l*77.6%

        \[\leadsto \frac{1}{\color{blue}{t \cdot \left(\left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)\right)}} \cdot 2 \]
      7. pow177.6%

        \[\leadsto \frac{1}{t \cdot \left(\left(\color{blue}{{\left(\frac{t}{\ell}\right)}^{1}} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2 \]
      8. pow177.6%

        \[\leadsto \frac{1}{t \cdot \left(\left({\left(\frac{t}{\ell}\right)}^{1} \cdot \color{blue}{{\left(\frac{t}{\ell}\right)}^{1}}\right) \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2 \]
      9. pow-sqr77.6%

        \[\leadsto \frac{1}{t \cdot \left(\color{blue}{{\left(\frac{t}{\ell}\right)}^{\left(2 \cdot 1\right)}} \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2 \]
      10. metadata-eval77.6%

        \[\leadsto \frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{\color{blue}{2}} \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2 \]
    8. Applied egg-rr77.6%

      \[\leadsto \color{blue}{\frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{2} \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2} \]

    if -9.49999999999999922e103 < t < -2.8000000000000001e-58 or 7.7e-59 < t

    1. Initial program 71.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*71.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg71.5%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified79.0%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{{t}^{3}} \cdot \frac{\ell}{\frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. frac-times82.1%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k} \cdot \ell}{{t}^{3} \cdot \frac{\sin k}{\ell}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. *-commutative82.1%

        \[\leadsto \frac{\frac{\color{blue}{\ell \cdot \frac{2}{\tan k}}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr82.1%

      \[\leadsto \frac{\color{blue}{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. unpow282.1%

        \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}} \]
      2. associate-*r/81.2%

        \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t} \cdot k}{t}}} \]
    7. Applied egg-rr81.2%

      \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{{t}^{3} \cdot \frac{\sin k}{\ell}}}{2 + \color{blue}{\frac{\frac{k}{t} \cdot k}{t}}} \]
    8. Taylor expanded in k around 0 71.2%

      \[\leadsto \frac{\frac{\ell \cdot \frac{2}{\tan k}}{\color{blue}{\frac{k \cdot {t}^{3}}{\ell}}}}{2 + \frac{\frac{k}{t} \cdot k}{t}} \]

    if -2.8000000000000001e-58 < t < 7.7e-59

    1. Initial program 37.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Taylor expanded in t around 0 75.2%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}} \]
    3. Step-by-step derivation
      1. times-frac71.9%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    4. Simplified71.9%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    5. Taylor expanded in k around 0 59.8%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4} \cdot t}{{\ell}^{2}}}} \]
    6. Step-by-step derivation
      1. unpow259.8%

        \[\leadsto \frac{2}{\frac{{k}^{4} \cdot t}{\color{blue}{\ell \cdot \ell}}} \]
      2. times-frac66.9%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4}}{\ell} \cdot \frac{t}{\ell}}} \]
    7. Applied egg-rr66.9%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4}}{\ell} \cdot \frac{t}{\ell}}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification70.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -9.5 \cdot 10^{+103}:\\ \;\;\;\;2 \cdot \frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{2} \cdot \left(2 \cdot {k}^{2}\right)\right)}\\ \mathbf{elif}\;t \leq -2.8 \cdot 10^{-58} \lor \neg \left(t \leq 7.7 \cdot 10^{-59}\right):\\ \;\;\;\;\frac{\frac{\ell \cdot \frac{2}{\tan k}}{\frac{k \cdot {t}^{3}}{\ell}}}{2 + \frac{k \cdot \frac{k}{t}}{t}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}\\ \end{array} \]

Alternative 11: 66.3% accurate, 1.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := 2 \cdot {k}^{2}\\ \mathbf{if}\;t \leq -9.2 \cdot 10^{-33}:\\ \;\;\;\;2 \cdot \frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{2} \cdot t_1\right)}\\ \mathbf{elif}\;t \leq 1.9 \cdot 10^{-43}:\\ \;\;\;\;\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right) \cdot t_1}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (* 2.0 (pow k 2.0))))
   (if (<= t -9.2e-33)
     (* 2.0 (/ 1.0 (* t (* (pow (/ t l) 2.0) t_1))))
     (if (<= t 1.9e-43)
       (/ 2.0 (* (/ t l) (/ (pow k 4.0) l)))
       (/ 2.0 (* (* (/ t l) (* t (/ t l))) t_1))))))
double code(double t, double l, double k) {
	double t_1 = 2.0 * pow(k, 2.0);
	double tmp;
	if (t <= -9.2e-33) {
		tmp = 2.0 * (1.0 / (t * (pow((t / l), 2.0) * t_1)));
	} else if (t <= 1.9e-43) {
		tmp = 2.0 / ((t / l) * (pow(k, 4.0) / l));
	} else {
		tmp = 2.0 / (((t / l) * (t * (t / l))) * t_1);
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: t_1
    real(8) :: tmp
    t_1 = 2.0d0 * (k ** 2.0d0)
    if (t <= (-9.2d-33)) then
        tmp = 2.0d0 * (1.0d0 / (t * (((t / l) ** 2.0d0) * t_1)))
    else if (t <= 1.9d-43) then
        tmp = 2.0d0 / ((t / l) * ((k ** 4.0d0) / l))
    else
        tmp = 2.0d0 / (((t / l) * (t * (t / l))) * t_1)
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = 2.0 * Math.pow(k, 2.0);
	double tmp;
	if (t <= -9.2e-33) {
		tmp = 2.0 * (1.0 / (t * (Math.pow((t / l), 2.0) * t_1)));
	} else if (t <= 1.9e-43) {
		tmp = 2.0 / ((t / l) * (Math.pow(k, 4.0) / l));
	} else {
		tmp = 2.0 / (((t / l) * (t * (t / l))) * t_1);
	}
	return tmp;
}
def code(t, l, k):
	t_1 = 2.0 * math.pow(k, 2.0)
	tmp = 0
	if t <= -9.2e-33:
		tmp = 2.0 * (1.0 / (t * (math.pow((t / l), 2.0) * t_1)))
	elif t <= 1.9e-43:
		tmp = 2.0 / ((t / l) * (math.pow(k, 4.0) / l))
	else:
		tmp = 2.0 / (((t / l) * (t * (t / l))) * t_1)
	return tmp
function code(t, l, k)
	t_1 = Float64(2.0 * (k ^ 2.0))
	tmp = 0.0
	if (t <= -9.2e-33)
		tmp = Float64(2.0 * Float64(1.0 / Float64(t * Float64((Float64(t / l) ^ 2.0) * t_1))));
	elseif (t <= 1.9e-43)
		tmp = Float64(2.0 / Float64(Float64(t / l) * Float64((k ^ 4.0) / l)));
	else
		tmp = Float64(2.0 / Float64(Float64(Float64(t / l) * Float64(t * Float64(t / l))) * t_1));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = 2.0 * (k ^ 2.0);
	tmp = 0.0;
	if (t <= -9.2e-33)
		tmp = 2.0 * (1.0 / (t * (((t / l) ^ 2.0) * t_1)));
	elseif (t <= 1.9e-43)
		tmp = 2.0 / ((t / l) * ((k ^ 4.0) / l));
	else
		tmp = 2.0 / (((t / l) * (t * (t / l))) * t_1);
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[(2.0 * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -9.2e-33], N[(2.0 * N[(1.0 / N[(t * N[(N[Power[N[(t / l), $MachinePrecision], 2.0], $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 1.9e-43], N[(2.0 / N[(N[(t / l), $MachinePrecision] * N[(N[Power[k, 4.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(N[(t / l), $MachinePrecision] * N[(t * N[(t / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := 2 \cdot {k}^{2}\\
\mathbf{if}\;t \leq -9.2 \cdot 10^{-33}:\\
\;\;\;\;2 \cdot \frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{2} \cdot t_1\right)}\\

\mathbf{elif}\;t \leq 1.9 \cdot 10^{-43}:\\
\;\;\;\;\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right) \cdot t_1}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -9.19999999999999942e-33

    1. Initial program 63.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*58.6%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)\right)} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. associate-*l*58.6%

        \[\leadsto \frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      3. +-commutative58.6%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} + 1\right)} + 1\right)\right)} \]
      4. unpow258.6%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right) + 1\right)\right)} \]
      5. times-frac50.5%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right) + 1\right)\right)} \]
      6. sqr-neg50.5%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right) + 1\right)\right)} \]
      7. times-frac58.6%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right) + 1\right)\right)} \]
      8. unpow258.6%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right) + 1\right)\right)} \]
      9. +-commutative58.6%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\color{blue}{\left(1 + {\left(\frac{k}{-t}\right)}^{2}\right)} + 1\right)\right)} \]
    3. Simplified58.6%

      \[\leadsto \color{blue}{\frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    4. Taylor expanded in k around 0 52.2%

      \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \color{blue}{\left(2 \cdot {k}^{2}\right)}} \]
    5. Step-by-step derivation
      1. unpow363.6%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. times-frac75.7%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t \cdot t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. pow175.7%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{1}} \cdot t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow175.7%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{1} \cdot \color{blue}{{t}^{1}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow-sqr75.7%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{\left(2 \cdot 1\right)}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. metadata-eval75.7%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{\color{blue}{2}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Applied egg-rr61.5%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \left(2 \cdot {k}^{2}\right)} \]
    7. Step-by-step derivation
      1. div-inv61.5%

        \[\leadsto \color{blue}{2 \cdot \frac{1}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)}} \]
      2. *-commutative61.5%

        \[\leadsto \color{blue}{\frac{1}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \cdot 2} \]
      3. unpow261.5%

        \[\leadsto \frac{1}{\left(\frac{\color{blue}{t \cdot t}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \cdot 2 \]
      4. associate-*r/68.2%

        \[\leadsto \frac{1}{\left(\color{blue}{\left(t \cdot \frac{t}{\ell}\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \cdot 2 \]
      5. associate-*l*68.2%

        \[\leadsto \frac{1}{\color{blue}{\left(t \cdot \left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right)\right)} \cdot \left(2 \cdot {k}^{2}\right)} \cdot 2 \]
      6. associate-*l*69.6%

        \[\leadsto \frac{1}{\color{blue}{t \cdot \left(\left(\frac{t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)\right)}} \cdot 2 \]
      7. pow169.6%

        \[\leadsto \frac{1}{t \cdot \left(\left(\color{blue}{{\left(\frac{t}{\ell}\right)}^{1}} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2 \]
      8. pow169.6%

        \[\leadsto \frac{1}{t \cdot \left(\left({\left(\frac{t}{\ell}\right)}^{1} \cdot \color{blue}{{\left(\frac{t}{\ell}\right)}^{1}}\right) \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2 \]
      9. pow-sqr69.6%

        \[\leadsto \frac{1}{t \cdot \left(\color{blue}{{\left(\frac{t}{\ell}\right)}^{\left(2 \cdot 1\right)}} \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2 \]
      10. metadata-eval69.6%

        \[\leadsto \frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{\color{blue}{2}} \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2 \]
    8. Applied egg-rr69.6%

      \[\leadsto \color{blue}{\frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{2} \cdot \left(2 \cdot {k}^{2}\right)\right)} \cdot 2} \]

    if -9.19999999999999942e-33 < t < 1.89999999999999985e-43

    1. Initial program 39.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Taylor expanded in t around 0 75.4%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}} \]
    3. Step-by-step derivation
      1. times-frac72.2%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    4. Simplified72.2%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    5. Taylor expanded in k around 0 58.9%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4} \cdot t}{{\ell}^{2}}}} \]
    6. Step-by-step derivation
      1. unpow258.9%

        \[\leadsto \frac{2}{\frac{{k}^{4} \cdot t}{\color{blue}{\ell \cdot \ell}}} \]
      2. times-frac65.8%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4}}{\ell} \cdot \frac{t}{\ell}}} \]
    7. Applied egg-rr65.8%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4}}{\ell} \cdot \frac{t}{\ell}}} \]

    if 1.89999999999999985e-43 < t

    1. Initial program 68.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*63.0%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)\right)} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. associate-*l*63.0%

        \[\leadsto \frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      3. +-commutative63.0%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} + 1\right)} + 1\right)\right)} \]
      4. unpow263.0%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right) + 1\right)\right)} \]
      5. times-frac52.7%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right) + 1\right)\right)} \]
      6. sqr-neg52.7%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right) + 1\right)\right)} \]
      7. times-frac63.0%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right) + 1\right)\right)} \]
      8. unpow263.0%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right) + 1\right)\right)} \]
      9. +-commutative63.0%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\color{blue}{\left(1 + {\left(\frac{k}{-t}\right)}^{2}\right)} + 1\right)\right)} \]
    3. Simplified63.0%

      \[\leadsto \color{blue}{\frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    4. Taylor expanded in k around 0 56.9%

      \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \color{blue}{\left(2 \cdot {k}^{2}\right)}} \]
    5. Step-by-step derivation
      1. unpow368.4%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. times-frac78.5%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t \cdot t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. pow178.5%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{1}} \cdot t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow178.5%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{1} \cdot \color{blue}{{t}^{1}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow-sqr78.5%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{\left(2 \cdot 1\right)}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. metadata-eval78.5%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{\color{blue}{2}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Applied egg-rr61.0%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \left(2 \cdot {k}^{2}\right)} \]
    7. Step-by-step derivation
      1. div-inv61.0%

        \[\leadsto \frac{2}{\left(\color{blue}{\left({t}^{2} \cdot \frac{1}{\ell}\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      2. unpow261.0%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(t \cdot t\right)} \cdot \frac{1}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      3. associate-*l*64.1%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(t \cdot \left(t \cdot \frac{1}{\ell}\right)\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      4. div-inv64.1%

        \[\leadsto \frac{2}{\left(\left(t \cdot \color{blue}{\frac{t}{\ell}}\right) \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
    8. Applied egg-rr64.1%

      \[\leadsto \frac{2}{\left(\color{blue}{\left(t \cdot \frac{t}{\ell}\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification66.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -9.2 \cdot 10^{-33}:\\ \;\;\;\;2 \cdot \frac{1}{t \cdot \left({\left(\frac{t}{\ell}\right)}^{2} \cdot \left(2 \cdot {k}^{2}\right)\right)}\\ \mathbf{elif}\;t \leq 1.9 \cdot 10^{-43}:\\ \;\;\;\;\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right) \cdot \left(2 \cdot {k}^{2}\right)}\\ \end{array} \]

Alternative 12: 65.9% accurate, 3.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -3.3 \cdot 10^{-27} \lor \neg \left(t \leq 9.5 \cdot 10^{-43}\right):\\ \;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right) \cdot \left(2 \cdot {k}^{2}\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (or (<= t -3.3e-27) (not (<= t 9.5e-43)))
   (/ 2.0 (* (* (/ t l) (* t (/ t l))) (* 2.0 (pow k 2.0))))
   (/ 2.0 (* (/ t l) (/ (pow k 4.0) l)))))
double code(double t, double l, double k) {
	double tmp;
	if ((t <= -3.3e-27) || !(t <= 9.5e-43)) {
		tmp = 2.0 / (((t / l) * (t * (t / l))) * (2.0 * pow(k, 2.0)));
	} else {
		tmp = 2.0 / ((t / l) * (pow(k, 4.0) / l));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if ((t <= (-3.3d-27)) .or. (.not. (t <= 9.5d-43))) then
        tmp = 2.0d0 / (((t / l) * (t * (t / l))) * (2.0d0 * (k ** 2.0d0)))
    else
        tmp = 2.0d0 / ((t / l) * ((k ** 4.0d0) / l))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if ((t <= -3.3e-27) || !(t <= 9.5e-43)) {
		tmp = 2.0 / (((t / l) * (t * (t / l))) * (2.0 * Math.pow(k, 2.0)));
	} else {
		tmp = 2.0 / ((t / l) * (Math.pow(k, 4.0) / l));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if (t <= -3.3e-27) or not (t <= 9.5e-43):
		tmp = 2.0 / (((t / l) * (t * (t / l))) * (2.0 * math.pow(k, 2.0)))
	else:
		tmp = 2.0 / ((t / l) * (math.pow(k, 4.0) / l))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if ((t <= -3.3e-27) || !(t <= 9.5e-43))
		tmp = Float64(2.0 / Float64(Float64(Float64(t / l) * Float64(t * Float64(t / l))) * Float64(2.0 * (k ^ 2.0))));
	else
		tmp = Float64(2.0 / Float64(Float64(t / l) * Float64((k ^ 4.0) / l)));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if ((t <= -3.3e-27) || ~((t <= 9.5e-43)))
		tmp = 2.0 / (((t / l) * (t * (t / l))) * (2.0 * (k ^ 2.0)));
	else
		tmp = 2.0 / ((t / l) * ((k ^ 4.0) / l));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[Or[LessEqual[t, -3.3e-27], N[Not[LessEqual[t, 9.5e-43]], $MachinePrecision]], N[(2.0 / N[(N[(N[(t / l), $MachinePrecision] * N[(t * N[(t / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(2.0 * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(t / l), $MachinePrecision] * N[(N[Power[k, 4.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -3.3 \cdot 10^{-27} \lor \neg \left(t \leq 9.5 \cdot 10^{-43}\right):\\
\;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right) \cdot \left(2 \cdot {k}^{2}\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t < -3.29999999999999998e-27 or 9.50000000000000044e-43 < t

    1. Initial program 66.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*61.0%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)\right)} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. associate-*l*61.0%

        \[\leadsto \frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      3. +-commutative61.0%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} + 1\right)} + 1\right)\right)} \]
      4. unpow261.0%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right) + 1\right)\right)} \]
      5. times-frac51.7%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right) + 1\right)\right)} \]
      6. sqr-neg51.7%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right) + 1\right)\right)} \]
      7. times-frac61.0%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right) + 1\right)\right)} \]
      8. unpow261.0%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right) + 1\right)\right)} \]
      9. +-commutative61.0%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\color{blue}{\left(1 + {\left(\frac{k}{-t}\right)}^{2}\right)} + 1\right)\right)} \]
    3. Simplified61.0%

      \[\leadsto \color{blue}{\frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    4. Taylor expanded in k around 0 54.8%

      \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \color{blue}{\left(2 \cdot {k}^{2}\right)}} \]
    5. Step-by-step derivation
      1. unpow366.2%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. times-frac77.2%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t \cdot t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. pow177.2%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{1}} \cdot t}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow177.2%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{1} \cdot \color{blue}{{t}^{1}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow-sqr77.2%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{\left(2 \cdot 1\right)}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. metadata-eval77.2%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{t}^{\color{blue}{2}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Applied egg-rr61.3%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \left(2 \cdot {k}^{2}\right)} \]
    7. Step-by-step derivation
      1. div-inv61.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left({t}^{2} \cdot \frac{1}{\ell}\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      2. unpow261.2%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(t \cdot t\right)} \cdot \frac{1}{\ell}\right) \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      3. associate-*l*66.0%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(t \cdot \left(t \cdot \frac{1}{\ell}\right)\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
      4. div-inv66.0%

        \[\leadsto \frac{2}{\left(\left(t \cdot \color{blue}{\frac{t}{\ell}}\right) \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]
    8. Applied egg-rr66.0%

      \[\leadsto \frac{2}{\left(\color{blue}{\left(t \cdot \frac{t}{\ell}\right)} \cdot \frac{t}{\ell}\right) \cdot \left(2 \cdot {k}^{2}\right)} \]

    if -3.29999999999999998e-27 < t < 9.50000000000000044e-43

    1. Initial program 39.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Taylor expanded in t around 0 75.4%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}} \]
    3. Step-by-step derivation
      1. times-frac72.2%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    4. Simplified72.2%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
    5. Taylor expanded in k around 0 58.9%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4} \cdot t}{{\ell}^{2}}}} \]
    6. Step-by-step derivation
      1. unpow258.9%

        \[\leadsto \frac{2}{\frac{{k}^{4} \cdot t}{\color{blue}{\ell \cdot \ell}}} \]
      2. times-frac65.8%

        \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4}}{\ell} \cdot \frac{t}{\ell}}} \]
    7. Applied egg-rr65.8%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4}}{\ell} \cdot \frac{t}{\ell}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification65.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -3.3 \cdot 10^{-27} \lor \neg \left(t \leq 9.5 \cdot 10^{-43}\right):\\ \;\;\;\;\frac{2}{\left(\frac{t}{\ell} \cdot \left(t \cdot \frac{t}{\ell}\right)\right) \cdot \left(2 \cdot {k}^{2}\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}\\ \end{array} \]

Alternative 13: 55.8% accurate, 3.8× speedup?

\[\begin{array}{l} \\ \ell \cdot \left(\ell \cdot \frac{2}{t \cdot {k}^{4}}\right) \end{array} \]
(FPCore (t l k) :precision binary64 (* l (* l (/ 2.0 (* t (pow k 4.0))))))
double code(double t, double l, double k) {
	return l * (l * (2.0 / (t * pow(k, 4.0))));
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    code = l * (l * (2.0d0 / (t * (k ** 4.0d0))))
end function
public static double code(double t, double l, double k) {
	return l * (l * (2.0 / (t * Math.pow(k, 4.0))));
}
def code(t, l, k):
	return l * (l * (2.0 / (t * math.pow(k, 4.0))))
function code(t, l, k)
	return Float64(l * Float64(l * Float64(2.0 / Float64(t * (k ^ 4.0)))))
end
function tmp = code(t, l, k)
	tmp = l * (l * (2.0 / (t * (k ^ 4.0))));
end
code[t_, l_, k_] := N[(l * N[(l * N[(2.0 / N[(t * N[Power[k, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\ell \cdot \left(\ell \cdot \frac{2}{t \cdot {k}^{4}}\right)
\end{array}
Derivation
  1. Initial program 54.1%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  2. Taylor expanded in t around 0 61.0%

    \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}} \]
  3. Step-by-step derivation
    1. times-frac59.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
  4. Simplified59.7%

    \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
  5. Taylor expanded in k around 0 50.5%

    \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4} \cdot t}{{\ell}^{2}}}} \]
  6. Step-by-step derivation
    1. associate-/r/50.5%

      \[\leadsto \color{blue}{\frac{2}{{k}^{4} \cdot t} \cdot {\ell}^{2}} \]
    2. unpow250.5%

      \[\leadsto \frac{2}{{k}^{4} \cdot t} \cdot \color{blue}{\left(\ell \cdot \ell\right)} \]
    3. associate-*r*53.5%

      \[\leadsto \color{blue}{\left(\frac{2}{{k}^{4} \cdot t} \cdot \ell\right) \cdot \ell} \]
    4. *-commutative53.5%

      \[\leadsto \left(\frac{2}{\color{blue}{t \cdot {k}^{4}}} \cdot \ell\right) \cdot \ell \]
  7. Applied egg-rr53.5%

    \[\leadsto \color{blue}{\left(\frac{2}{t \cdot {k}^{4}} \cdot \ell\right) \cdot \ell} \]
  8. Final simplification53.5%

    \[\leadsto \ell \cdot \left(\ell \cdot \frac{2}{t \cdot {k}^{4}}\right) \]

Alternative 14: 55.9% accurate, 3.8× speedup?

\[\begin{array}{l} \\ \ell \cdot \frac{2}{\frac{t \cdot {k}^{4}}{\ell}} \end{array} \]
(FPCore (t l k) :precision binary64 (* l (/ 2.0 (/ (* t (pow k 4.0)) l))))
double code(double t, double l, double k) {
	return l * (2.0 / ((t * pow(k, 4.0)) / l));
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    code = l * (2.0d0 / ((t * (k ** 4.0d0)) / l))
end function
public static double code(double t, double l, double k) {
	return l * (2.0 / ((t * Math.pow(k, 4.0)) / l));
}
def code(t, l, k):
	return l * (2.0 / ((t * math.pow(k, 4.0)) / l))
function code(t, l, k)
	return Float64(l * Float64(2.0 / Float64(Float64(t * (k ^ 4.0)) / l)))
end
function tmp = code(t, l, k)
	tmp = l * (2.0 / ((t * (k ^ 4.0)) / l));
end
code[t_, l_, k_] := N[(l * N[(2.0 / N[(N[(t * N[Power[k, 4.0], $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\ell \cdot \frac{2}{\frac{t \cdot {k}^{4}}{\ell}}
\end{array}
Derivation
  1. Initial program 54.1%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  2. Taylor expanded in t around 0 61.0%

    \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}} \]
  3. Step-by-step derivation
    1. times-frac59.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
  4. Simplified59.7%

    \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
  5. Taylor expanded in k around 0 50.5%

    \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4} \cdot t}{{\ell}^{2}}}} \]
  6. Step-by-step derivation
    1. associate-/r/50.5%

      \[\leadsto \color{blue}{\frac{2}{{k}^{4} \cdot t} \cdot {\ell}^{2}} \]
    2. unpow250.5%

      \[\leadsto \frac{2}{{k}^{4} \cdot t} \cdot \color{blue}{\left(\ell \cdot \ell\right)} \]
    3. associate-*r*53.5%

      \[\leadsto \color{blue}{\left(\frac{2}{{k}^{4} \cdot t} \cdot \ell\right) \cdot \ell} \]
    4. *-commutative53.5%

      \[\leadsto \left(\frac{2}{\color{blue}{t \cdot {k}^{4}}} \cdot \ell\right) \cdot \ell \]
  7. Applied egg-rr53.5%

    \[\leadsto \color{blue}{\left(\frac{2}{t \cdot {k}^{4}} \cdot \ell\right) \cdot \ell} \]
  8. Step-by-step derivation
    1. associate-*l/53.5%

      \[\leadsto \color{blue}{\frac{2 \cdot \ell}{t \cdot {k}^{4}}} \cdot \ell \]
    2. associate-/l*53.5%

      \[\leadsto \color{blue}{\frac{2}{\frac{t \cdot {k}^{4}}{\ell}}} \cdot \ell \]
  9. Applied egg-rr53.5%

    \[\leadsto \color{blue}{\frac{2}{\frac{t \cdot {k}^{4}}{\ell}}} \cdot \ell \]
  10. Final simplification53.5%

    \[\leadsto \ell \cdot \frac{2}{\frac{t \cdot {k}^{4}}{\ell}} \]

Alternative 15: 56.8% accurate, 3.8× speedup?

\[\begin{array}{l} \\ \frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}} \end{array} \]
(FPCore (t l k) :precision binary64 (/ 2.0 (* (/ t l) (/ (pow k 4.0) l))))
double code(double t, double l, double k) {
	return 2.0 / ((t / l) * (pow(k, 4.0) / l));
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    code = 2.0d0 / ((t / l) * ((k ** 4.0d0) / l))
end function
public static double code(double t, double l, double k) {
	return 2.0 / ((t / l) * (Math.pow(k, 4.0) / l));
}
def code(t, l, k):
	return 2.0 / ((t / l) * (math.pow(k, 4.0) / l))
function code(t, l, k)
	return Float64(2.0 / Float64(Float64(t / l) * Float64((k ^ 4.0) / l)))
end
function tmp = code(t, l, k)
	tmp = 2.0 / ((t / l) * ((k ^ 4.0) / l));
end
code[t_, l_, k_] := N[(2.0 / N[(N[(t / l), $MachinePrecision] * N[(N[Power[k, 4.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}}
\end{array}
Derivation
  1. Initial program 54.1%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  2. Taylor expanded in t around 0 61.0%

    \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}} \]
  3. Step-by-step derivation
    1. times-frac59.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
  4. Simplified59.7%

    \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2}}{{\ell}^{2}} \cdot \frac{t \cdot {\sin k}^{2}}{\cos k}}} \]
  5. Taylor expanded in k around 0 50.5%

    \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4} \cdot t}{{\ell}^{2}}}} \]
  6. Step-by-step derivation
    1. unpow250.5%

      \[\leadsto \frac{2}{\frac{{k}^{4} \cdot t}{\color{blue}{\ell \cdot \ell}}} \]
    2. times-frac53.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4}}{\ell} \cdot \frac{t}{\ell}}} \]
  7. Applied egg-rr53.7%

    \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{4}}{\ell} \cdot \frac{t}{\ell}}} \]
  8. Final simplification53.7%

    \[\leadsto \frac{2}{\frac{t}{\ell} \cdot \frac{{k}^{4}}{\ell}} \]

Reproduce

?
herbie shell --seed 2023301 
(FPCore (t l k)
  :name "Toniolo and Linder, Equation (10+)"
  :precision binary64
  (/ 2.0 (* (* (* (/ (pow t 3.0) (* l l)) (sin k)) (tan k)) (+ (+ 1.0 (pow (/ k t) 2.0)) 1.0))))