Falkner and Boettcher, Appendix A

Percentage Accurate: 90.6% → 98.6%
Time: 13.0s
Alternatives: 15
Speedup: 1.0×

Specification

?
\[\begin{array}{l} \\ \frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (/ (* a (pow k m)) (+ (+ 1.0 (* 10.0 k)) (* k k))))
double code(double a, double k, double m) {
	return (a * pow(k, m)) / ((1.0 + (10.0 * k)) + (k * k));
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    code = (a * (k ** m)) / ((1.0d0 + (10.0d0 * k)) + (k * k))
end function
public static double code(double a, double k, double m) {
	return (a * Math.pow(k, m)) / ((1.0 + (10.0 * k)) + (k * k));
}
def code(a, k, m):
	return (a * math.pow(k, m)) / ((1.0 + (10.0 * k)) + (k * k))
function code(a, k, m)
	return Float64(Float64(a * (k ^ m)) / Float64(Float64(1.0 + Float64(10.0 * k)) + Float64(k * k)))
end
function tmp = code(a, k, m)
	tmp = (a * (k ^ m)) / ((1.0 + (10.0 * k)) + (k * k));
end
code[a_, k_, m_] := N[(N[(a * N[Power[k, m], $MachinePrecision]), $MachinePrecision] / N[(N[(1.0 + N[(10.0 * k), $MachinePrecision]), $MachinePrecision] + N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}
\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: 90.6% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (/ (* a (pow k m)) (+ (+ 1.0 (* 10.0 k)) (* k k))))
double code(double a, double k, double m) {
	return (a * pow(k, m)) / ((1.0 + (10.0 * k)) + (k * k));
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    code = (a * (k ** m)) / ((1.0d0 + (10.0d0 * k)) + (k * k))
end function
public static double code(double a, double k, double m) {
	return (a * Math.pow(k, m)) / ((1.0 + (10.0 * k)) + (k * k));
}
def code(a, k, m):
	return (a * math.pow(k, m)) / ((1.0 + (10.0 * k)) + (k * k))
function code(a, k, m)
	return Float64(Float64(a * (k ^ m)) / Float64(Float64(1.0 + Float64(10.0 * k)) + Float64(k * k)))
end
function tmp = code(a, k, m)
	tmp = (a * (k ^ m)) / ((1.0 + (10.0 * k)) + (k * k));
end
code[a_, k_, m_] := N[(N[(a * N[Power[k, m], $MachinePrecision]), $MachinePrecision] / N[(N[(1.0 + N[(10.0 * k), $MachinePrecision]), $MachinePrecision] + N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}
\end{array}

Alternative 1: 98.6% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq -4.2 \cdot 10^{-94}:\\ \;\;\;\;a \cdot \frac{{k}^{m}}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{elif}\;m \leq 7.5 \cdot 10^{-5}:\\ \;\;\;\;\frac{\frac{a}{\mathsf{hypot}\left(1, k\right)}}{\mathsf{hypot}\left(1, k\right)}\\ \mathbf{else}:\\ \;\;\;\;a \cdot {k}^{m}\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m -4.2e-94)
   (* a (/ (pow k m) (+ 1.0 (* k (+ k 10.0)))))
   (if (<= m 7.5e-5) (/ (/ a (hypot 1.0 k)) (hypot 1.0 k)) (* a (pow k m)))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= -4.2e-94) {
		tmp = a * (pow(k, m) / (1.0 + (k * (k + 10.0))));
	} else if (m <= 7.5e-5) {
		tmp = (a / hypot(1.0, k)) / hypot(1.0, k);
	} else {
		tmp = a * pow(k, m);
	}
	return tmp;
}
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= -4.2e-94) {
		tmp = a * (Math.pow(k, m) / (1.0 + (k * (k + 10.0))));
	} else if (m <= 7.5e-5) {
		tmp = (a / Math.hypot(1.0, k)) / Math.hypot(1.0, k);
	} else {
		tmp = a * Math.pow(k, m);
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= -4.2e-94:
		tmp = a * (math.pow(k, m) / (1.0 + (k * (k + 10.0))))
	elif m <= 7.5e-5:
		tmp = (a / math.hypot(1.0, k)) / math.hypot(1.0, k)
	else:
		tmp = a * math.pow(k, m)
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= -4.2e-94)
		tmp = Float64(a * Float64((k ^ m) / Float64(1.0 + Float64(k * Float64(k + 10.0)))));
	elseif (m <= 7.5e-5)
		tmp = Float64(Float64(a / hypot(1.0, k)) / hypot(1.0, k));
	else
		tmp = Float64(a * (k ^ m));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= -4.2e-94)
		tmp = a * ((k ^ m) / (1.0 + (k * (k + 10.0))));
	elseif (m <= 7.5e-5)
		tmp = (a / hypot(1.0, k)) / hypot(1.0, k);
	else
		tmp = a * (k ^ m);
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, -4.2e-94], N[(a * N[(N[Power[k, m], $MachinePrecision] / N[(1.0 + N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[m, 7.5e-5], N[(N[(a / N[Sqrt[1.0 ^ 2 + k ^ 2], $MachinePrecision]), $MachinePrecision] / N[Sqrt[1.0 ^ 2 + k ^ 2], $MachinePrecision]), $MachinePrecision], N[(a * N[Power[k, m], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq -4.2 \cdot 10^{-94}:\\
\;\;\;\;a \cdot \frac{{k}^{m}}{1 + k \cdot \left(k + 10\right)}\\

\mathbf{elif}\;m \leq 7.5 \cdot 10^{-5}:\\
\;\;\;\;\frac{\frac{a}{\mathsf{hypot}\left(1, k\right)}}{\mathsf{hypot}\left(1, k\right)}\\

\mathbf{else}:\\
\;\;\;\;a \cdot {k}^{m}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if m < -4.2000000000000002e-94

    1. Initial program 100.0%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*100.0%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg100.0%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg2100.0%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac2100.0%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified100.0%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing

    if -4.2000000000000002e-94 < m < 7.49999999999999934e-5

    1. Initial program 91.3%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*91.3%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg91.3%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg291.3%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac291.3%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg91.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg91.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+91.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg91.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out91.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified91.3%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 91.3%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around inf 91.3%

      \[\leadsto \frac{a}{1 + k \cdot \color{blue}{k}} \]
    7. Step-by-step derivation
      1. *-un-lft-identity91.3%

        \[\leadsto \frac{\color{blue}{1 \cdot a}}{1 + k \cdot k} \]
      2. add-sqr-sqrt91.3%

        \[\leadsto \frac{1 \cdot a}{\color{blue}{\sqrt{1 + k \cdot k} \cdot \sqrt{1 + k \cdot k}}} \]
      3. times-frac91.3%

        \[\leadsto \color{blue}{\frac{1}{\sqrt{1 + k \cdot k}} \cdot \frac{a}{\sqrt{1 + k \cdot k}}} \]
      4. hypot-1-def91.3%

        \[\leadsto \frac{1}{\color{blue}{\mathsf{hypot}\left(1, k\right)}} \cdot \frac{a}{\sqrt{1 + k \cdot k}} \]
      5. hypot-1-def99.9%

        \[\leadsto \frac{1}{\mathsf{hypot}\left(1, k\right)} \cdot \frac{a}{\color{blue}{\mathsf{hypot}\left(1, k\right)}} \]
    8. Applied egg-rr99.9%

      \[\leadsto \color{blue}{\frac{1}{\mathsf{hypot}\left(1, k\right)} \cdot \frac{a}{\mathsf{hypot}\left(1, k\right)}} \]
    9. Step-by-step derivation
      1. associate-*l/99.9%

        \[\leadsto \color{blue}{\frac{1 \cdot \frac{a}{\mathsf{hypot}\left(1, k\right)}}{\mathsf{hypot}\left(1, k\right)}} \]
      2. *-lft-identity99.9%

        \[\leadsto \frac{\color{blue}{\frac{a}{\mathsf{hypot}\left(1, k\right)}}}{\mathsf{hypot}\left(1, k\right)} \]
    10. Simplified99.9%

      \[\leadsto \color{blue}{\frac{\frac{a}{\mathsf{hypot}\left(1, k\right)}}{\mathsf{hypot}\left(1, k\right)}} \]

    if 7.49999999999999934e-5 < m

    1. Initial program 74.1%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*74.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg74.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg274.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac274.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified74.2%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 99.8%

      \[\leadsto \color{blue}{a \cdot {k}^{m}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification99.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq -4.2 \cdot 10^{-94}:\\ \;\;\;\;a \cdot \frac{{k}^{m}}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{elif}\;m \leq 7.5 \cdot 10^{-5}:\\ \;\;\;\;\frac{\frac{a}{\mathsf{hypot}\left(1, k\right)}}{\mathsf{hypot}\left(1, k\right)}\\ \mathbf{else}:\\ \;\;\;\;a \cdot {k}^{m}\\ \end{array} \]
  5. Add Preprocessing

Alternative 2: 99.7% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := a \cdot {k}^{m}\\ t_1 := \frac{1}{t\_0}\\ \mathbf{if}\;k \leq 1.9 \cdot 10^{-14}:\\ \;\;\;\;a \cdot \left({k}^{m} \cdot \left(1 + k \cdot -10\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{t\_1 + k \cdot \left(10 \cdot t\_1 + \frac{k}{t\_0}\right)}\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (let* ((t_0 (* a (pow k m))) (t_1 (/ 1.0 t_0)))
   (if (<= k 1.9e-14)
     (* a (* (pow k m) (+ 1.0 (* k -10.0))))
     (/ 1.0 (+ t_1 (* k (+ (* 10.0 t_1) (/ k t_0))))))))
double code(double a, double k, double m) {
	double t_0 = a * pow(k, m);
	double t_1 = 1.0 / t_0;
	double tmp;
	if (k <= 1.9e-14) {
		tmp = a * (pow(k, m) * (1.0 + (k * -10.0)));
	} else {
		tmp = 1.0 / (t_1 + (k * ((10.0 * t_1) + (k / t_0))));
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: t_0
    real(8) :: t_1
    real(8) :: tmp
    t_0 = a * (k ** m)
    t_1 = 1.0d0 / t_0
    if (k <= 1.9d-14) then
        tmp = a * ((k ** m) * (1.0d0 + (k * (-10.0d0))))
    else
        tmp = 1.0d0 / (t_1 + (k * ((10.0d0 * t_1) + (k / t_0))))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double t_0 = a * Math.pow(k, m);
	double t_1 = 1.0 / t_0;
	double tmp;
	if (k <= 1.9e-14) {
		tmp = a * (Math.pow(k, m) * (1.0 + (k * -10.0)));
	} else {
		tmp = 1.0 / (t_1 + (k * ((10.0 * t_1) + (k / t_0))));
	}
	return tmp;
}
def code(a, k, m):
	t_0 = a * math.pow(k, m)
	t_1 = 1.0 / t_0
	tmp = 0
	if k <= 1.9e-14:
		tmp = a * (math.pow(k, m) * (1.0 + (k * -10.0)))
	else:
		tmp = 1.0 / (t_1 + (k * ((10.0 * t_1) + (k / t_0))))
	return tmp
function code(a, k, m)
	t_0 = Float64(a * (k ^ m))
	t_1 = Float64(1.0 / t_0)
	tmp = 0.0
	if (k <= 1.9e-14)
		tmp = Float64(a * Float64((k ^ m) * Float64(1.0 + Float64(k * -10.0))));
	else
		tmp = Float64(1.0 / Float64(t_1 + Float64(k * Float64(Float64(10.0 * t_1) + Float64(k / t_0)))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	t_0 = a * (k ^ m);
	t_1 = 1.0 / t_0;
	tmp = 0.0;
	if (k <= 1.9e-14)
		tmp = a * ((k ^ m) * (1.0 + (k * -10.0)));
	else
		tmp = 1.0 / (t_1 + (k * ((10.0 * t_1) + (k / t_0))));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := Block[{t$95$0 = N[(a * N[Power[k, m], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(1.0 / t$95$0), $MachinePrecision]}, If[LessEqual[k, 1.9e-14], N[(a * N[(N[Power[k, m], $MachinePrecision] * N[(1.0 + N[(k * -10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(1.0 / N[(t$95$1 + N[(k * N[(N[(10.0 * t$95$1), $MachinePrecision] + N[(k / t$95$0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := a \cdot {k}^{m}\\
t_1 := \frac{1}{t\_0}\\
\mathbf{if}\;k \leq 1.9 \cdot 10^{-14}:\\
\;\;\;\;a \cdot \left({k}^{m} \cdot \left(1 + k \cdot -10\right)\right)\\

\mathbf{else}:\\
\;\;\;\;\frac{1}{t\_1 + k \cdot \left(10 \cdot t\_1 + \frac{k}{t\_0}\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.9000000000000001e-14

    1. Initial program 92.6%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*92.6%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg92.6%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg292.6%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac292.6%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg92.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg92.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+92.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg92.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out92.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified92.6%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 84.0%

      \[\leadsto a \cdot \color{blue}{\left(-10 \cdot \left(k \cdot {k}^{m}\right) + {k}^{m}\right)} \]
    6. Step-by-step derivation
      1. +-commutative84.0%

        \[\leadsto a \cdot \color{blue}{\left({k}^{m} + -10 \cdot \left(k \cdot {k}^{m}\right)\right)} \]
      2. *-lft-identity84.0%

        \[\leadsto a \cdot \left(\color{blue}{1 \cdot {k}^{m}} + -10 \cdot \left(k \cdot {k}^{m}\right)\right) \]
      3. associate-*r*84.0%

        \[\leadsto a \cdot \left(1 \cdot {k}^{m} + \color{blue}{\left(-10 \cdot k\right) \cdot {k}^{m}}\right) \]
      4. metadata-eval84.0%

        \[\leadsto a \cdot \left(1 \cdot {k}^{m} + \left(\color{blue}{\left(-10\right)} \cdot k\right) \cdot {k}^{m}\right) \]
      5. distribute-lft-neg-in84.0%

        \[\leadsto a \cdot \left(1 \cdot {k}^{m} + \color{blue}{\left(-10 \cdot k\right)} \cdot {k}^{m}\right) \]
      6. *-commutative84.0%

        \[\leadsto a \cdot \left(1 \cdot {k}^{m} + \left(-\color{blue}{k \cdot 10}\right) \cdot {k}^{m}\right) \]
      7. distribute-rgt-out99.4%

        \[\leadsto a \cdot \color{blue}{\left({k}^{m} \cdot \left(1 + \left(-k \cdot 10\right)\right)\right)} \]
      8. distribute-rgt-neg-in99.4%

        \[\leadsto a \cdot \left({k}^{m} \cdot \left(1 + \color{blue}{k \cdot \left(-10\right)}\right)\right) \]
      9. metadata-eval99.4%

        \[\leadsto a \cdot \left({k}^{m} \cdot \left(1 + k \cdot \color{blue}{-10}\right)\right) \]
    7. Simplified99.4%

      \[\leadsto a \cdot \color{blue}{\left({k}^{m} \cdot \left(1 + k \cdot -10\right)\right)} \]

    if 1.9000000000000001e-14 < k

    1. Initial program 82.0%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*82.1%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg82.1%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg282.1%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac282.1%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg82.1%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg82.1%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+82.1%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg82.1%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out82.1%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified82.1%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*r/82.0%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
      2. clear-num82.0%

        \[\leadsto \color{blue}{\frac{1}{\frac{1 + k \cdot \left(10 + k\right)}{a \cdot {k}^{m}}}} \]
      3. +-commutative82.0%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      4. fma-define82.0%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      5. +-commutative82.0%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      6. *-commutative82.0%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr82.0%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 99.9%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification99.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 1.9 \cdot 10^{-14}:\\ \;\;\;\;a \cdot \left({k}^{m} \cdot \left(1 + k \cdot -10\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{1}{a \cdot {k}^{m}} + k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 98.4% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq -1.25 \cdot 10^{-96}:\\ \;\;\;\;a \cdot \frac{{k}^{m}}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{elif}\;m \leq 3 \cdot 10^{-10}:\\ \;\;\;\;\frac{1}{k \cdot \frac{k}{a} + \frac{1}{a}}\\ \mathbf{else}:\\ \;\;\;\;a \cdot {k}^{m}\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m -1.25e-96)
   (* a (/ (pow k m) (+ 1.0 (* k (+ k 10.0)))))
   (if (<= m 3e-10) (/ 1.0 (+ (* k (/ k a)) (/ 1.0 a))) (* a (pow k m)))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= -1.25e-96) {
		tmp = a * (pow(k, m) / (1.0 + (k * (k + 10.0))));
	} else if (m <= 3e-10) {
		tmp = 1.0 / ((k * (k / a)) + (1.0 / a));
	} else {
		tmp = a * pow(k, m);
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= (-1.25d-96)) then
        tmp = a * ((k ** m) / (1.0d0 + (k * (k + 10.0d0))))
    else if (m <= 3d-10) then
        tmp = 1.0d0 / ((k * (k / a)) + (1.0d0 / a))
    else
        tmp = a * (k ** m)
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= -1.25e-96) {
		tmp = a * (Math.pow(k, m) / (1.0 + (k * (k + 10.0))));
	} else if (m <= 3e-10) {
		tmp = 1.0 / ((k * (k / a)) + (1.0 / a));
	} else {
		tmp = a * Math.pow(k, m);
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= -1.25e-96:
		tmp = a * (math.pow(k, m) / (1.0 + (k * (k + 10.0))))
	elif m <= 3e-10:
		tmp = 1.0 / ((k * (k / a)) + (1.0 / a))
	else:
		tmp = a * math.pow(k, m)
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= -1.25e-96)
		tmp = Float64(a * Float64((k ^ m) / Float64(1.0 + Float64(k * Float64(k + 10.0)))));
	elseif (m <= 3e-10)
		tmp = Float64(1.0 / Float64(Float64(k * Float64(k / a)) + Float64(1.0 / a)));
	else
		tmp = Float64(a * (k ^ m));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= -1.25e-96)
		tmp = a * ((k ^ m) / (1.0 + (k * (k + 10.0))));
	elseif (m <= 3e-10)
		tmp = 1.0 / ((k * (k / a)) + (1.0 / a));
	else
		tmp = a * (k ^ m);
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, -1.25e-96], N[(a * N[(N[Power[k, m], $MachinePrecision] / N[(1.0 + N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[m, 3e-10], N[(1.0 / N[(N[(k * N[(k / a), $MachinePrecision]), $MachinePrecision] + N[(1.0 / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a * N[Power[k, m], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq -1.25 \cdot 10^{-96}:\\
\;\;\;\;a \cdot \frac{{k}^{m}}{1 + k \cdot \left(k + 10\right)}\\

\mathbf{elif}\;m \leq 3 \cdot 10^{-10}:\\
\;\;\;\;\frac{1}{k \cdot \frac{k}{a} + \frac{1}{a}}\\

\mathbf{else}:\\
\;\;\;\;a \cdot {k}^{m}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if m < -1.24999999999999999e-96

    1. Initial program 100.0%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*100.0%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg100.0%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg2100.0%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac2100.0%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified100.0%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing

    if -1.24999999999999999e-96 < m < 3e-10

    1. Initial program 91.3%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*91.3%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg91.3%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg291.3%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac291.3%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg91.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg91.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+91.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg91.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out91.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified91.3%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*r/91.3%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
      2. clear-num91.2%

        \[\leadsto \color{blue}{\frac{1}{\frac{1 + k \cdot \left(10 + k\right)}{a \cdot {k}^{m}}}} \]
      3. +-commutative91.2%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      4. fma-define91.2%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      5. +-commutative91.2%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      6. *-commutative91.2%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr91.2%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 99.8%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
    8. Taylor expanded in m around 0 99.8%

      \[\leadsto \color{blue}{\frac{1}{k \cdot \left(10 \cdot \frac{1}{a} + \frac{k}{a}\right) + \frac{1}{a}}} \]
    9. Taylor expanded in k around inf 99.8%

      \[\leadsto \frac{1}{k \cdot \color{blue}{\frac{k}{a}} + \frac{1}{a}} \]

    if 3e-10 < m

    1. Initial program 74.1%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*74.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg74.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg274.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac274.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified74.2%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 99.8%

      \[\leadsto \color{blue}{a \cdot {k}^{m}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification99.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq -1.25 \cdot 10^{-96}:\\ \;\;\;\;a \cdot \frac{{k}^{m}}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{elif}\;m \leq 3 \cdot 10^{-10}:\\ \;\;\;\;\frac{1}{k \cdot \frac{k}{a} + \frac{1}{a}}\\ \mathbf{else}:\\ \;\;\;\;a \cdot {k}^{m}\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 99.1% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq -8.8 \cdot 10^{-6}:\\ \;\;\;\;a \cdot \frac{{k}^{m}}{1 + k \cdot 10}\\ \mathbf{elif}\;m \leq 8 \cdot 10^{-6}:\\ \;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \left(\frac{k}{a} + 10 \cdot \frac{1}{a}\right)}\\ \mathbf{else}:\\ \;\;\;\;a \cdot {k}^{m}\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m -8.8e-6)
   (* a (/ (pow k m) (+ 1.0 (* k 10.0))))
   (if (<= m 8e-6)
     (/ 1.0 (+ (/ 1.0 a) (* k (+ (/ k a) (* 10.0 (/ 1.0 a))))))
     (* a (pow k m)))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= -8.8e-6) {
		tmp = a * (pow(k, m) / (1.0 + (k * 10.0)));
	} else if (m <= 8e-6) {
		tmp = 1.0 / ((1.0 / a) + (k * ((k / a) + (10.0 * (1.0 / a)))));
	} else {
		tmp = a * pow(k, m);
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= (-8.8d-6)) then
        tmp = a * ((k ** m) / (1.0d0 + (k * 10.0d0)))
    else if (m <= 8d-6) then
        tmp = 1.0d0 / ((1.0d0 / a) + (k * ((k / a) + (10.0d0 * (1.0d0 / a)))))
    else
        tmp = a * (k ** m)
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= -8.8e-6) {
		tmp = a * (Math.pow(k, m) / (1.0 + (k * 10.0)));
	} else if (m <= 8e-6) {
		tmp = 1.0 / ((1.0 / a) + (k * ((k / a) + (10.0 * (1.0 / a)))));
	} else {
		tmp = a * Math.pow(k, m);
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= -8.8e-6:
		tmp = a * (math.pow(k, m) / (1.0 + (k * 10.0)))
	elif m <= 8e-6:
		tmp = 1.0 / ((1.0 / a) + (k * ((k / a) + (10.0 * (1.0 / a)))))
	else:
		tmp = a * math.pow(k, m)
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= -8.8e-6)
		tmp = Float64(a * Float64((k ^ m) / Float64(1.0 + Float64(k * 10.0))));
	elseif (m <= 8e-6)
		tmp = Float64(1.0 / Float64(Float64(1.0 / a) + Float64(k * Float64(Float64(k / a) + Float64(10.0 * Float64(1.0 / a))))));
	else
		tmp = Float64(a * (k ^ m));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= -8.8e-6)
		tmp = a * ((k ^ m) / (1.0 + (k * 10.0)));
	elseif (m <= 8e-6)
		tmp = 1.0 / ((1.0 / a) + (k * ((k / a) + (10.0 * (1.0 / a)))));
	else
		tmp = a * (k ^ m);
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, -8.8e-6], N[(a * N[(N[Power[k, m], $MachinePrecision] / N[(1.0 + N[(k * 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[m, 8e-6], N[(1.0 / N[(N[(1.0 / a), $MachinePrecision] + N[(k * N[(N[(k / a), $MachinePrecision] + N[(10.0 * N[(1.0 / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a * N[Power[k, m], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq -8.8 \cdot 10^{-6}:\\
\;\;\;\;a \cdot \frac{{k}^{m}}{1 + k \cdot 10}\\

\mathbf{elif}\;m \leq 8 \cdot 10^{-6}:\\
\;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \left(\frac{k}{a} + 10 \cdot \frac{1}{a}\right)}\\

\mathbf{else}:\\
\;\;\;\;a \cdot {k}^{m}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if m < -8.8000000000000004e-6

    1. Initial program 100.0%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*100.0%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg100.0%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg2100.0%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac2100.0%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified100.0%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 100.0%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{10 \cdot k}} \]
    6. Step-by-step derivation
      1. *-commutative100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot 10}} \]
    7. Simplified100.0%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot 10}} \]

    if -8.8000000000000004e-6 < m < 7.99999999999999964e-6

    1. Initial program 93.0%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*93.1%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg93.1%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg293.1%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac293.1%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg93.1%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg93.1%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+93.1%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg93.1%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out93.1%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified93.1%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*r/93.0%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
      2. clear-num92.9%

        \[\leadsto \color{blue}{\frac{1}{\frac{1 + k \cdot \left(10 + k\right)}{a \cdot {k}^{m}}}} \]
      3. +-commutative92.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      4. fma-define92.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      5. +-commutative92.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      6. *-commutative92.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr92.9%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 99.8%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
    8. Taylor expanded in m around 0 99.4%

      \[\leadsto \color{blue}{\frac{1}{k \cdot \left(10 \cdot \frac{1}{a} + \frac{k}{a}\right) + \frac{1}{a}}} \]

    if 7.99999999999999964e-6 < m

    1. Initial program 74.1%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*74.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg74.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg274.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac274.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified74.2%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 99.8%

      \[\leadsto \color{blue}{a \cdot {k}^{m}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification99.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq -8.8 \cdot 10^{-6}:\\ \;\;\;\;a \cdot \frac{{k}^{m}}{1 + k \cdot 10}\\ \mathbf{elif}\;m \leq 8 \cdot 10^{-6}:\\ \;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \left(\frac{k}{a} + 10 \cdot \frac{1}{a}\right)}\\ \mathbf{else}:\\ \;\;\;\;a \cdot {k}^{m}\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 99.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq -0.00155 \lor \neg \left(m \leq 6.5 \cdot 10^{-8}\right):\\ \;\;\;\;a \cdot {k}^{m}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \left(\frac{k}{a} + 10 \cdot \frac{1}{a}\right)}\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (or (<= m -0.00155) (not (<= m 6.5e-8)))
   (* a (pow k m))
   (/ 1.0 (+ (/ 1.0 a) (* k (+ (/ k a) (* 10.0 (/ 1.0 a))))))))
double code(double a, double k, double m) {
	double tmp;
	if ((m <= -0.00155) || !(m <= 6.5e-8)) {
		tmp = a * pow(k, m);
	} else {
		tmp = 1.0 / ((1.0 / a) + (k * ((k / a) + (10.0 * (1.0 / a)))));
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if ((m <= (-0.00155d0)) .or. (.not. (m <= 6.5d-8))) then
        tmp = a * (k ** m)
    else
        tmp = 1.0d0 / ((1.0d0 / a) + (k * ((k / a) + (10.0d0 * (1.0d0 / a)))))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if ((m <= -0.00155) || !(m <= 6.5e-8)) {
		tmp = a * Math.pow(k, m);
	} else {
		tmp = 1.0 / ((1.0 / a) + (k * ((k / a) + (10.0 * (1.0 / a)))));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if (m <= -0.00155) or not (m <= 6.5e-8):
		tmp = a * math.pow(k, m)
	else:
		tmp = 1.0 / ((1.0 / a) + (k * ((k / a) + (10.0 * (1.0 / a)))))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if ((m <= -0.00155) || !(m <= 6.5e-8))
		tmp = Float64(a * (k ^ m));
	else
		tmp = Float64(1.0 / Float64(Float64(1.0 / a) + Float64(k * Float64(Float64(k / a) + Float64(10.0 * Float64(1.0 / a))))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if ((m <= -0.00155) || ~((m <= 6.5e-8)))
		tmp = a * (k ^ m);
	else
		tmp = 1.0 / ((1.0 / a) + (k * ((k / a) + (10.0 * (1.0 / a)))));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[Or[LessEqual[m, -0.00155], N[Not[LessEqual[m, 6.5e-8]], $MachinePrecision]], N[(a * N[Power[k, m], $MachinePrecision]), $MachinePrecision], N[(1.0 / N[(N[(1.0 / a), $MachinePrecision] + N[(k * N[(N[(k / a), $MachinePrecision] + N[(10.0 * N[(1.0 / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq -0.00155 \lor \neg \left(m \leq 6.5 \cdot 10^{-8}\right):\\
\;\;\;\;a \cdot {k}^{m}\\

\mathbf{else}:\\
\;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \left(\frac{k}{a} + 10 \cdot \frac{1}{a}\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < -0.00154999999999999995 or 6.49999999999999997e-8 < m

    1. Initial program 86.8%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*86.8%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg86.8%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg286.8%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac286.8%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg86.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg86.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+86.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg86.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out86.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified86.8%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 99.3%

      \[\leadsto \color{blue}{a \cdot {k}^{m}} \]

    if -0.00154999999999999995 < m < 6.49999999999999997e-8

    1. Initial program 93.0%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*93.1%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg93.1%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg293.1%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac293.1%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg93.1%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg93.1%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+93.1%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg93.1%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out93.1%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified93.1%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*r/93.0%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
      2. clear-num92.9%

        \[\leadsto \color{blue}{\frac{1}{\frac{1 + k \cdot \left(10 + k\right)}{a \cdot {k}^{m}}}} \]
      3. +-commutative92.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      4. fma-define92.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      5. +-commutative92.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      6. *-commutative92.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr92.9%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 99.8%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
    8. Taylor expanded in m around 0 99.4%

      \[\leadsto \color{blue}{\frac{1}{k \cdot \left(10 \cdot \frac{1}{a} + \frac{k}{a}\right) + \frac{1}{a}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification99.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq -0.00155 \lor \neg \left(m \leq 6.5 \cdot 10^{-8}\right):\\ \;\;\;\;a \cdot {k}^{m}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \left(\frac{k}{a} + 10 \cdot \frac{1}{a}\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 54.5% accurate, 5.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq -6.8 \cdot 10^{-91}:\\ \;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{elif}\;m \leq 0.0045:\\ \;\;\;\;\frac{1}{k \cdot \frac{k}{a} + \frac{1}{a}}\\ \mathbf{else}:\\ \;\;\;\;a + a \cdot \left(k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m -6.8e-91)
   (/ a (+ 1.0 (* k (+ k 10.0))))
   (if (<= m 0.0045)
     (/ 1.0 (+ (* k (/ k a)) (/ 1.0 a)))
     (+ a (* a (* k (- (* k 99.0) 10.0)))))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= -6.8e-91) {
		tmp = a / (1.0 + (k * (k + 10.0)));
	} else if (m <= 0.0045) {
		tmp = 1.0 / ((k * (k / a)) + (1.0 / a));
	} else {
		tmp = a + (a * (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= (-6.8d-91)) then
        tmp = a / (1.0d0 + (k * (k + 10.0d0)))
    else if (m <= 0.0045d0) then
        tmp = 1.0d0 / ((k * (k / a)) + (1.0d0 / a))
    else
        tmp = a + (a * (k * ((k * 99.0d0) - 10.0d0)))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= -6.8e-91) {
		tmp = a / (1.0 + (k * (k + 10.0)));
	} else if (m <= 0.0045) {
		tmp = 1.0 / ((k * (k / a)) + (1.0 / a));
	} else {
		tmp = a + (a * (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= -6.8e-91:
		tmp = a / (1.0 + (k * (k + 10.0)))
	elif m <= 0.0045:
		tmp = 1.0 / ((k * (k / a)) + (1.0 / a))
	else:
		tmp = a + (a * (k * ((k * 99.0) - 10.0)))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= -6.8e-91)
		tmp = Float64(a / Float64(1.0 + Float64(k * Float64(k + 10.0))));
	elseif (m <= 0.0045)
		tmp = Float64(1.0 / Float64(Float64(k * Float64(k / a)) + Float64(1.0 / a)));
	else
		tmp = Float64(a + Float64(a * Float64(k * Float64(Float64(k * 99.0) - 10.0))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= -6.8e-91)
		tmp = a / (1.0 + (k * (k + 10.0)));
	elseif (m <= 0.0045)
		tmp = 1.0 / ((k * (k / a)) + (1.0 / a));
	else
		tmp = a + (a * (k * ((k * 99.0) - 10.0)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, -6.8e-91], N[(a / N[(1.0 + N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[m, 0.0045], N[(1.0 / N[(N[(k * N[(k / a), $MachinePrecision]), $MachinePrecision] + N[(1.0 / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a + N[(a * N[(k * N[(N[(k * 99.0), $MachinePrecision] - 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq -6.8 \cdot 10^{-91}:\\
\;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\

\mathbf{elif}\;m \leq 0.0045:\\
\;\;\;\;\frac{1}{k \cdot \frac{k}{a} + \frac{1}{a}}\\

\mathbf{else}:\\
\;\;\;\;a + a \cdot \left(k \cdot \left(k \cdot 99 - 10\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if m < -6.80000000000000053e-91

    1. Initial program 100.0%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*100.0%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg100.0%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg2100.0%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac2100.0%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified100.0%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 48.7%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]

    if -6.80000000000000053e-91 < m < 0.00449999999999999966

    1. Initial program 91.3%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*91.3%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg91.3%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg291.3%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac291.3%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg91.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg91.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+91.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg91.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out91.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified91.3%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*r/91.3%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
      2. clear-num91.2%

        \[\leadsto \color{blue}{\frac{1}{\frac{1 + k \cdot \left(10 + k\right)}{a \cdot {k}^{m}}}} \]
      3. +-commutative91.2%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      4. fma-define91.2%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      5. +-commutative91.2%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      6. *-commutative91.2%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr91.2%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 99.8%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
    8. Taylor expanded in m around 0 99.8%

      \[\leadsto \color{blue}{\frac{1}{k \cdot \left(10 \cdot \frac{1}{a} + \frac{k}{a}\right) + \frac{1}{a}}} \]
    9. Taylor expanded in k around inf 99.8%

      \[\leadsto \frac{1}{k \cdot \color{blue}{\frac{k}{a}} + \frac{1}{a}} \]

    if 0.00449999999999999966 < m

    1. Initial program 74.1%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*74.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg74.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg274.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac274.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified74.2%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.2%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 29.2%

      \[\leadsto \color{blue}{a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) - 10 \cdot a\right)} \]
    7. Taylor expanded in a around 0 35.5%

      \[\leadsto a + \color{blue}{a \cdot \left(k \cdot \left(99 \cdot k - 10\right)\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification57.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq -6.8 \cdot 10^{-91}:\\ \;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{elif}\;m \leq 0.0045:\\ \;\;\;\;\frac{1}{k \cdot \frac{k}{a} + \frac{1}{a}}\\ \mathbf{else}:\\ \;\;\;\;a + a \cdot \left(k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 53.6% accurate, 7.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 0.0045:\\ \;\;\;\;a \cdot \frac{1}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a + a \cdot \left(k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m 0.0045)
   (* a (/ 1.0 (+ 1.0 (* k (+ k 10.0)))))
   (+ a (* a (* k (- (* k 99.0) 10.0))))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.0045) {
		tmp = a * (1.0 / (1.0 + (k * (k + 10.0))));
	} else {
		tmp = a + (a * (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 0.0045d0) then
        tmp = a * (1.0d0 / (1.0d0 + (k * (k + 10.0d0))))
    else
        tmp = a + (a * (k * ((k * 99.0d0) - 10.0d0)))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.0045) {
		tmp = a * (1.0 / (1.0 + (k * (k + 10.0))));
	} else {
		tmp = a + (a * (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 0.0045:
		tmp = a * (1.0 / (1.0 + (k * (k + 10.0))))
	else:
		tmp = a + (a * (k * ((k * 99.0) - 10.0)))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 0.0045)
		tmp = Float64(a * Float64(1.0 / Float64(1.0 + Float64(k * Float64(k + 10.0)))));
	else
		tmp = Float64(a + Float64(a * Float64(k * Float64(Float64(k * 99.0) - 10.0))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 0.0045)
		tmp = a * (1.0 / (1.0 + (k * (k + 10.0))));
	else
		tmp = a + (a * (k * ((k * 99.0) - 10.0)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 0.0045], N[(a * N[(1.0 / N[(1.0 + N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a + N[(a * N[(k * N[(N[(k * 99.0), $MachinePrecision] - 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 0.0045:\\
\;\;\;\;a \cdot \frac{1}{1 + k \cdot \left(k + 10\right)}\\

\mathbf{else}:\\
\;\;\;\;a + a \cdot \left(k \cdot \left(k \cdot 99 - 10\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 0.00449999999999999966

    1. Initial program 96.6%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*96.6%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg96.6%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg296.6%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac296.6%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified96.6%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 65.3%

      \[\leadsto a \cdot \frac{\color{blue}{1}}{1 + k \cdot \left(10 + k\right)} \]

    if 0.00449999999999999966 < m

    1. Initial program 74.1%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*74.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg74.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg274.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac274.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out74.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified74.2%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.2%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 29.2%

      \[\leadsto \color{blue}{a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) - 10 \cdot a\right)} \]
    7. Taylor expanded in a around 0 35.5%

      \[\leadsto a + \color{blue}{a \cdot \left(k \cdot \left(99 \cdot k - 10\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification54.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 0.0045:\\ \;\;\;\;a \cdot \frac{1}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a + a \cdot \left(k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 50.0% accurate, 7.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 0.98:\\ \;\;\;\;a \cdot \frac{1}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(k \cdot -10\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m 0.98) (* a (/ 1.0 (+ 1.0 (* k (+ k 10.0))))) (* a (* k -10.0))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.98) {
		tmp = a * (1.0 / (1.0 + (k * (k + 10.0))));
	} else {
		tmp = a * (k * -10.0);
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 0.98d0) then
        tmp = a * (1.0d0 / (1.0d0 + (k * (k + 10.0d0))))
    else
        tmp = a * (k * (-10.0d0))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.98) {
		tmp = a * (1.0 / (1.0 + (k * (k + 10.0))));
	} else {
		tmp = a * (k * -10.0);
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 0.98:
		tmp = a * (1.0 / (1.0 + (k * (k + 10.0))))
	else:
		tmp = a * (k * -10.0)
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 0.98)
		tmp = Float64(a * Float64(1.0 / Float64(1.0 + Float64(k * Float64(k + 10.0)))));
	else
		tmp = Float64(a * Float64(k * -10.0));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 0.98)
		tmp = a * (1.0 / (1.0 + (k * (k + 10.0))));
	else
		tmp = a * (k * -10.0);
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 0.98], N[(a * N[(1.0 / N[(1.0 + N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a * N[(k * -10.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 0.98:\\
\;\;\;\;a \cdot \frac{1}{1 + k \cdot \left(k + 10\right)}\\

\mathbf{else}:\\
\;\;\;\;a \cdot \left(k \cdot -10\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 0.97999999999999998

    1. Initial program 96.6%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*96.6%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg96.6%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg296.6%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac296.6%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified96.6%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 65.0%

      \[\leadsto a \cdot \frac{\color{blue}{1}}{1 + k \cdot \left(10 + k\right)} \]

    if 0.97999999999999998 < m

    1. Initial program 73.9%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*73.9%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg73.9%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg273.9%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac273.9%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified73.9%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.0%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 6.3%

      \[\leadsto \color{blue}{a + -10 \cdot \left(a \cdot k\right)} \]
    7. Taylor expanded in k around inf 15.2%

      \[\leadsto \color{blue}{-10 \cdot \left(a \cdot k\right)} \]
    8. Step-by-step derivation
      1. *-commutative15.2%

        \[\leadsto -10 \cdot \color{blue}{\left(k \cdot a\right)} \]
      2. *-commutative15.2%

        \[\leadsto \color{blue}{\left(k \cdot a\right) \cdot -10} \]
      3. *-commutative15.2%

        \[\leadsto \color{blue}{\left(a \cdot k\right)} \cdot -10 \]
      4. associate-*r*15.2%

        \[\leadsto \color{blue}{a \cdot \left(k \cdot -10\right)} \]
    9. Simplified15.2%

      \[\leadsto \color{blue}{a \cdot \left(k \cdot -10\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification47.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 0.98:\\ \;\;\;\;a \cdot \frac{1}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(k \cdot -10\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 50.0% accurate, 8.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 1.3:\\ \;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(k \cdot -10\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m 1.3) (/ a (+ 1.0 (* k (+ k 10.0)))) (* a (* k -10.0))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 1.3) {
		tmp = a / (1.0 + (k * (k + 10.0)));
	} else {
		tmp = a * (k * -10.0);
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 1.3d0) then
        tmp = a / (1.0d0 + (k * (k + 10.0d0)))
    else
        tmp = a * (k * (-10.0d0))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 1.3) {
		tmp = a / (1.0 + (k * (k + 10.0)));
	} else {
		tmp = a * (k * -10.0);
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 1.3:
		tmp = a / (1.0 + (k * (k + 10.0)))
	else:
		tmp = a * (k * -10.0)
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 1.3)
		tmp = Float64(a / Float64(1.0 + Float64(k * Float64(k + 10.0))));
	else
		tmp = Float64(a * Float64(k * -10.0));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 1.3)
		tmp = a / (1.0 + (k * (k + 10.0)));
	else
		tmp = a * (k * -10.0);
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 1.3], N[(a / N[(1.0 + N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a * N[(k * -10.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.3:\\
\;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\

\mathbf{else}:\\
\;\;\;\;a \cdot \left(k \cdot -10\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 1.30000000000000004

    1. Initial program 96.6%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*96.6%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg96.6%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg296.6%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac296.6%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified96.6%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 65.0%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]

    if 1.30000000000000004 < m

    1. Initial program 73.9%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*73.9%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg73.9%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg273.9%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac273.9%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified73.9%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.0%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 6.3%

      \[\leadsto \color{blue}{a + -10 \cdot \left(a \cdot k\right)} \]
    7. Taylor expanded in k around inf 15.2%

      \[\leadsto \color{blue}{-10 \cdot \left(a \cdot k\right)} \]
    8. Step-by-step derivation
      1. *-commutative15.2%

        \[\leadsto -10 \cdot \color{blue}{\left(k \cdot a\right)} \]
      2. *-commutative15.2%

        \[\leadsto \color{blue}{\left(k \cdot a\right) \cdot -10} \]
      3. *-commutative15.2%

        \[\leadsto \color{blue}{\left(a \cdot k\right)} \cdot -10 \]
      4. associate-*r*15.2%

        \[\leadsto \color{blue}{a \cdot \left(k \cdot -10\right)} \]
    9. Simplified15.2%

      \[\leadsto \color{blue}{a \cdot \left(k \cdot -10\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification47.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 1.3:\\ \;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(k \cdot -10\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 49.3% accurate, 8.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 0.41:\\ \;\;\;\;a \cdot \frac{1}{1 + k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(k \cdot -10\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m 0.41) (* a (/ 1.0 (+ 1.0 (* k k)))) (* a (* k -10.0))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.41) {
		tmp = a * (1.0 / (1.0 + (k * k)));
	} else {
		tmp = a * (k * -10.0);
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 0.41d0) then
        tmp = a * (1.0d0 / (1.0d0 + (k * k)))
    else
        tmp = a * (k * (-10.0d0))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.41) {
		tmp = a * (1.0 / (1.0 + (k * k)));
	} else {
		tmp = a * (k * -10.0);
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 0.41:
		tmp = a * (1.0 / (1.0 + (k * k)))
	else:
		tmp = a * (k * -10.0)
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 0.41)
		tmp = Float64(a * Float64(1.0 / Float64(1.0 + Float64(k * k))));
	else
		tmp = Float64(a * Float64(k * -10.0));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 0.41)
		tmp = a * (1.0 / (1.0 + (k * k)));
	else
		tmp = a * (k * -10.0);
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 0.41], N[(a * N[(1.0 / N[(1.0 + N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a * N[(k * -10.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 0.41:\\
\;\;\;\;a \cdot \frac{1}{1 + k \cdot k}\\

\mathbf{else}:\\
\;\;\;\;a \cdot \left(k \cdot -10\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 0.409999999999999976

    1. Initial program 96.6%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*96.6%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg96.6%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg296.6%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac296.6%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified96.6%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 65.0%

      \[\leadsto a \cdot \frac{\color{blue}{1}}{1 + k \cdot \left(10 + k\right)} \]
    6. Taylor expanded in k around inf 64.9%

      \[\leadsto a \cdot \frac{1}{1 + k \cdot \color{blue}{k}} \]

    if 0.409999999999999976 < m

    1. Initial program 73.9%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*73.9%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg73.9%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg273.9%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac273.9%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified73.9%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.0%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 6.3%

      \[\leadsto \color{blue}{a + -10 \cdot \left(a \cdot k\right)} \]
    7. Taylor expanded in k around inf 15.2%

      \[\leadsto \color{blue}{-10 \cdot \left(a \cdot k\right)} \]
    8. Step-by-step derivation
      1. *-commutative15.2%

        \[\leadsto -10 \cdot \color{blue}{\left(k \cdot a\right)} \]
      2. *-commutative15.2%

        \[\leadsto \color{blue}{\left(k \cdot a\right) \cdot -10} \]
      3. *-commutative15.2%

        \[\leadsto \color{blue}{\left(a \cdot k\right)} \cdot -10 \]
      4. associate-*r*15.2%

        \[\leadsto \color{blue}{a \cdot \left(k \cdot -10\right)} \]
    9. Simplified15.2%

      \[\leadsto \color{blue}{a \cdot \left(k \cdot -10\right)} \]
  3. Recombined 2 regimes into one program.
  4. Add Preprocessing

Alternative 11: 49.3% accurate, 9.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 0.64:\\ \;\;\;\;\frac{a}{1 + k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(k \cdot -10\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m 0.64) (/ a (+ 1.0 (* k k))) (* a (* k -10.0))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.64) {
		tmp = a / (1.0 + (k * k));
	} else {
		tmp = a * (k * -10.0);
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 0.64d0) then
        tmp = a / (1.0d0 + (k * k))
    else
        tmp = a * (k * (-10.0d0))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.64) {
		tmp = a / (1.0 + (k * k));
	} else {
		tmp = a * (k * -10.0);
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 0.64:
		tmp = a / (1.0 + (k * k))
	else:
		tmp = a * (k * -10.0)
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 0.64)
		tmp = Float64(a / Float64(1.0 + Float64(k * k)));
	else
		tmp = Float64(a * Float64(k * -10.0));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 0.64)
		tmp = a / (1.0 + (k * k));
	else
		tmp = a * (k * -10.0);
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 0.64], N[(a / N[(1.0 + N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a * N[(k * -10.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 0.64:\\
\;\;\;\;\frac{a}{1 + k \cdot k}\\

\mathbf{else}:\\
\;\;\;\;a \cdot \left(k \cdot -10\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 0.640000000000000013

    1. Initial program 96.6%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*96.6%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg96.6%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg296.6%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac296.6%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified96.6%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 65.0%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around inf 64.9%

      \[\leadsto \frac{a}{1 + k \cdot \color{blue}{k}} \]

    if 0.640000000000000013 < m

    1. Initial program 73.9%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*73.9%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg73.9%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg273.9%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac273.9%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified73.9%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.0%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 6.3%

      \[\leadsto \color{blue}{a + -10 \cdot \left(a \cdot k\right)} \]
    7. Taylor expanded in k around inf 15.2%

      \[\leadsto \color{blue}{-10 \cdot \left(a \cdot k\right)} \]
    8. Step-by-step derivation
      1. *-commutative15.2%

        \[\leadsto -10 \cdot \color{blue}{\left(k \cdot a\right)} \]
      2. *-commutative15.2%

        \[\leadsto \color{blue}{\left(k \cdot a\right) \cdot -10} \]
      3. *-commutative15.2%

        \[\leadsto \color{blue}{\left(a \cdot k\right)} \cdot -10 \]
      4. associate-*r*15.2%

        \[\leadsto \color{blue}{a \cdot \left(k \cdot -10\right)} \]
    9. Simplified15.2%

      \[\leadsto \color{blue}{a \cdot \left(k \cdot -10\right)} \]
  3. Recombined 2 regimes into one program.
  4. Add Preprocessing

Alternative 12: 33.8% accurate, 9.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 0.94:\\ \;\;\;\;\frac{a}{1 + k \cdot 10}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(k \cdot -10\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m 0.94) (/ a (+ 1.0 (* k 10.0))) (* a (* k -10.0))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.94) {
		tmp = a / (1.0 + (k * 10.0));
	} else {
		tmp = a * (k * -10.0);
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 0.94d0) then
        tmp = a / (1.0d0 + (k * 10.0d0))
    else
        tmp = a * (k * (-10.0d0))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.94) {
		tmp = a / (1.0 + (k * 10.0));
	} else {
		tmp = a * (k * -10.0);
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 0.94:
		tmp = a / (1.0 + (k * 10.0))
	else:
		tmp = a * (k * -10.0)
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 0.94)
		tmp = Float64(a / Float64(1.0 + Float64(k * 10.0)));
	else
		tmp = Float64(a * Float64(k * -10.0));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 0.94)
		tmp = a / (1.0 + (k * 10.0));
	else
		tmp = a * (k * -10.0);
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 0.94], N[(a / N[(1.0 + N[(k * 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a * N[(k * -10.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 0.94:\\
\;\;\;\;\frac{a}{1 + k \cdot 10}\\

\mathbf{else}:\\
\;\;\;\;a \cdot \left(k \cdot -10\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 0.93999999999999995

    1. Initial program 96.6%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*96.6%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg96.6%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg296.6%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac296.6%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified96.6%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 65.0%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 39.8%

      \[\leadsto \frac{a}{1 + \color{blue}{10 \cdot k}} \]
    7. Step-by-step derivation
      1. *-commutative83.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot 10}} \]
    8. Simplified39.8%

      \[\leadsto \frac{a}{1 + \color{blue}{k \cdot 10}} \]

    if 0.93999999999999995 < m

    1. Initial program 73.9%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*73.9%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg73.9%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg273.9%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac273.9%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified73.9%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.0%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 6.3%

      \[\leadsto \color{blue}{a + -10 \cdot \left(a \cdot k\right)} \]
    7. Taylor expanded in k around inf 15.2%

      \[\leadsto \color{blue}{-10 \cdot \left(a \cdot k\right)} \]
    8. Step-by-step derivation
      1. *-commutative15.2%

        \[\leadsto -10 \cdot \color{blue}{\left(k \cdot a\right)} \]
      2. *-commutative15.2%

        \[\leadsto \color{blue}{\left(k \cdot a\right) \cdot -10} \]
      3. *-commutative15.2%

        \[\leadsto \color{blue}{\left(a \cdot k\right)} \cdot -10 \]
      4. associate-*r*15.2%

        \[\leadsto \color{blue}{a \cdot \left(k \cdot -10\right)} \]
    9. Simplified15.2%

      \[\leadsto \color{blue}{a \cdot \left(k \cdot -10\right)} \]
  3. Recombined 2 regimes into one program.
  4. Add Preprocessing

Alternative 13: 25.1% accurate, 11.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 0.22:\\ \;\;\;\;a\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(k \cdot -10\right)\\ \end{array} \end{array} \]
(FPCore (a k m) :precision binary64 (if (<= m 0.22) a (* a (* k -10.0))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.22) {
		tmp = a;
	} else {
		tmp = a * (k * -10.0);
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 0.22d0) then
        tmp = a
    else
        tmp = a * (k * (-10.0d0))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.22) {
		tmp = a;
	} else {
		tmp = a * (k * -10.0);
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 0.22:
		tmp = a
	else:
		tmp = a * (k * -10.0)
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 0.22)
		tmp = a;
	else
		tmp = Float64(a * Float64(k * -10.0));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 0.22)
		tmp = a;
	else
		tmp = a * (k * -10.0);
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 0.22], a, N[(a * N[(k * -10.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 0.22:\\
\;\;\;\;a\\

\mathbf{else}:\\
\;\;\;\;a \cdot \left(k \cdot -10\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 0.220000000000000001

    1. Initial program 96.6%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*96.6%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg96.6%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg296.6%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac296.6%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified96.6%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 65.0%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 29.8%

      \[\leadsto \color{blue}{a} \]

    if 0.220000000000000001 < m

    1. Initial program 73.9%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*73.9%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg73.9%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg273.9%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac273.9%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified73.9%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.0%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 6.3%

      \[\leadsto \color{blue}{a + -10 \cdot \left(a \cdot k\right)} \]
    7. Taylor expanded in k around inf 15.2%

      \[\leadsto \color{blue}{-10 \cdot \left(a \cdot k\right)} \]
    8. Step-by-step derivation
      1. *-commutative15.2%

        \[\leadsto -10 \cdot \color{blue}{\left(k \cdot a\right)} \]
      2. *-commutative15.2%

        \[\leadsto \color{blue}{\left(k \cdot a\right) \cdot -10} \]
      3. *-commutative15.2%

        \[\leadsto \color{blue}{\left(a \cdot k\right)} \cdot -10 \]
      4. associate-*r*15.2%

        \[\leadsto \color{blue}{a \cdot \left(k \cdot -10\right)} \]
    9. Simplified15.2%

      \[\leadsto \color{blue}{a \cdot \left(k \cdot -10\right)} \]
  3. Recombined 2 regimes into one program.
  4. Add Preprocessing

Alternative 14: 25.1% accurate, 11.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 0.56:\\ \;\;\;\;a\\ \mathbf{else}:\\ \;\;\;\;-10 \cdot \left(k \cdot a\right)\\ \end{array} \end{array} \]
(FPCore (a k m) :precision binary64 (if (<= m 0.56) a (* -10.0 (* k a))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.56) {
		tmp = a;
	} else {
		tmp = -10.0 * (k * a);
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 0.56d0) then
        tmp = a
    else
        tmp = (-10.0d0) * (k * a)
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.56) {
		tmp = a;
	} else {
		tmp = -10.0 * (k * a);
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 0.56:
		tmp = a
	else:
		tmp = -10.0 * (k * a)
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 0.56)
		tmp = a;
	else
		tmp = Float64(-10.0 * Float64(k * a));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 0.56)
		tmp = a;
	else
		tmp = -10.0 * (k * a);
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 0.56], a, N[(-10.0 * N[(k * a), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 0.56:\\
\;\;\;\;a\\

\mathbf{else}:\\
\;\;\;\;-10 \cdot \left(k \cdot a\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 0.56000000000000005

    1. Initial program 96.6%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*96.6%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg96.6%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg296.6%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac296.6%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out96.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified96.6%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 65.0%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 29.8%

      \[\leadsto \color{blue}{a} \]

    if 0.56000000000000005 < m

    1. Initial program 73.9%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*73.9%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg73.9%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg273.9%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac273.9%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out73.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified73.9%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.0%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 6.3%

      \[\leadsto \color{blue}{a + -10 \cdot \left(a \cdot k\right)} \]
    7. Taylor expanded in k around inf 15.2%

      \[\leadsto \color{blue}{-10 \cdot \left(a \cdot k\right)} \]
    8. Step-by-step derivation
      1. *-commutative15.2%

        \[\leadsto -10 \cdot \color{blue}{\left(k \cdot a\right)} \]
    9. Simplified15.2%

      \[\leadsto \color{blue}{-10 \cdot \left(k \cdot a\right)} \]
  3. Recombined 2 regimes into one program.
  4. Add Preprocessing

Alternative 15: 19.6% accurate, 114.0× speedup?

\[\begin{array}{l} \\ a \end{array} \]
(FPCore (a k m) :precision binary64 a)
double code(double a, double k, double m) {
	return a;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    code = a
end function
public static double code(double a, double k, double m) {
	return a;
}
def code(a, k, m):
	return a
function code(a, k, m)
	return a
end
function tmp = code(a, k, m)
	tmp = a;
end
code[a_, k_, m_] := a
\begin{array}{l}

\\
a
\end{array}
Derivation
  1. Initial program 88.8%

    \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
  2. Step-by-step derivation
    1. associate-/l*88.8%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    2. remove-double-neg88.8%

      \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
    3. distribute-frac-neg288.8%

      \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
    4. distribute-neg-frac288.8%

      \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
    5. remove-double-neg88.8%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    6. sqr-neg88.8%

      \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
    7. associate-+l+88.8%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
    8. sqr-neg88.8%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
    9. distribute-rgt-out88.8%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
  3. Simplified88.8%

    \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
  4. Add Preprocessing
  5. Taylor expanded in m around 0 43.7%

    \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
  6. Taylor expanded in k around 0 20.8%

    \[\leadsto \color{blue}{a} \]
  7. Add Preprocessing

Reproduce

?
herbie shell --seed 2024152 
(FPCore (a k m)
  :name "Falkner and Boettcher, Appendix A"
  :precision binary64
  (/ (* a (pow k m)) (+ (+ 1.0 (* 10.0 k)) (* k k))))