Rosa's DopplerBench

Percentage Accurate: 72.9% → 98.1%
Time: 18.3s
Alternatives: 20
Speedup: 1.0×

Specification

?
\[\begin{array}{l} \\ \frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \end{array} \]
(FPCore (u v t1) :precision binary64 (/ (* (- t1) v) (* (+ t1 u) (+ t1 u))))
double code(double u, double v, double t1) {
	return (-t1 * v) / ((t1 + u) * (t1 + u));
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    code = (-t1 * v) / ((t1 + u) * (t1 + u))
end function
public static double code(double u, double v, double t1) {
	return (-t1 * v) / ((t1 + u) * (t1 + u));
}
def code(u, v, t1):
	return (-t1 * v) / ((t1 + u) * (t1 + u))
function code(u, v, t1)
	return Float64(Float64(Float64(-t1) * v) / Float64(Float64(t1 + u) * Float64(t1 + u)))
end
function tmp = code(u, v, t1)
	tmp = (-t1 * v) / ((t1 + u) * (t1 + u));
end
code[u_, v_, t1_] := N[(N[((-t1) * v), $MachinePrecision] / N[(N[(t1 + u), $MachinePrecision] * N[(t1 + u), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}
\end{array}

Sampling outcomes in binary64 precision:

Local Percentage Accuracy vs ?

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

Accuracy vs Speed?

Herbie found 20 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: 72.9% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \end{array} \]
(FPCore (u v t1) :precision binary64 (/ (* (- t1) v) (* (+ t1 u) (+ t1 u))))
double code(double u, double v, double t1) {
	return (-t1 * v) / ((t1 + u) * (t1 + u));
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    code = (-t1 * v) / ((t1 + u) * (t1 + u))
end function
public static double code(double u, double v, double t1) {
	return (-t1 * v) / ((t1 + u) * (t1 + u));
}
def code(u, v, t1):
	return (-t1 * v) / ((t1 + u) * (t1 + u))
function code(u, v, t1)
	return Float64(Float64(Float64(-t1) * v) / Float64(Float64(t1 + u) * Float64(t1 + u)))
end
function tmp = code(u, v, t1)
	tmp = (-t1 * v) / ((t1 + u) * (t1 + u));
end
code[u_, v_, t1_] := N[(N[((-t1) * v), $MachinePrecision] / N[(N[(t1 + u), $MachinePrecision] * N[(t1 + u), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}
\end{array}

Alternative 1: 98.1% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (/ (/ (* t1 (/ v (+ t1 u))) -1.0) (+ t1 u)))
double code(double u, double v, double t1) {
	return ((t1 * (v / (t1 + u))) / -1.0) / (t1 + u);
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    code = ((t1 * (v / (t1 + u))) / (-1.0d0)) / (t1 + u)
end function
public static double code(double u, double v, double t1) {
	return ((t1 * (v / (t1 + u))) / -1.0) / (t1 + u);
}
def code(u, v, t1):
	return ((t1 * (v / (t1 + u))) / -1.0) / (t1 + u)
function code(u, v, t1)
	return Float64(Float64(Float64(t1 * Float64(v / Float64(t1 + u))) / -1.0) / Float64(t1 + u))
end
function tmp = code(u, v, t1)
	tmp = ((t1 * (v / (t1 + u))) / -1.0) / (t1 + u);
end
code[u_, v_, t1_] := N[(N[(N[(t1 * N[(v / N[(t1 + u), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / -1.0), $MachinePrecision] / N[(t1 + u), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}
\end{array}
Derivation
  1. Initial program 70.8%

    \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
  2. Step-by-step derivation
    1. associate-/l*71.4%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    2. distribute-lft-neg-out71.4%

      \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    3. distribute-rgt-neg-in71.4%

      \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
    4. associate-/r*83.3%

      \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
    5. distribute-neg-frac283.3%

      \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
  3. Simplified83.3%

    \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
  4. Add Preprocessing
  5. Step-by-step derivation
    1. associate-*r/99.9%

      \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    2. neg-mul-199.9%

      \[\leadsto \frac{t1 \cdot \frac{v}{t1 + u}}{\color{blue}{-1 \cdot \left(t1 + u\right)}} \]
    3. associate-/r*99.9%

      \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
  6. Applied egg-rr99.9%

    \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
  7. Add Preprocessing

Alternative 2: 90.3% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{v}{t1 + u}\\ \mathbf{if}\;t1 \leq -9.6 \cdot 10^{+96}:\\ \;\;\;\;t\_1 \cdot \left(-1 + \frac{u}{t1}\right)\\ \mathbf{elif}\;t1 \leq 1.6 \cdot 10^{+188}:\\ \;\;\;\;t1 \cdot \frac{t\_1}{\left(-u\right) - t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u - t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (let* ((t_1 (/ v (+ t1 u))))
   (if (<= t1 -9.6e+96)
     (* t_1 (+ -1.0 (/ u t1)))
     (if (<= t1 1.6e+188) (* t1 (/ t_1 (- (- u) t1))) (/ v (- u t1))))))
double code(double u, double v, double t1) {
	double t_1 = v / (t1 + u);
	double tmp;
	if (t1 <= -9.6e+96) {
		tmp = t_1 * (-1.0 + (u / t1));
	} else if (t1 <= 1.6e+188) {
		tmp = t1 * (t_1 / (-u - t1));
	} else {
		tmp = v / (u - t1);
	}
	return tmp;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    real(8) :: t_1
    real(8) :: tmp
    t_1 = v / (t1 + u)
    if (t1 <= (-9.6d+96)) then
        tmp = t_1 * ((-1.0d0) + (u / t1))
    else if (t1 <= 1.6d+188) then
        tmp = t1 * (t_1 / (-u - t1))
    else
        tmp = v / (u - t1)
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double t_1 = v / (t1 + u);
	double tmp;
	if (t1 <= -9.6e+96) {
		tmp = t_1 * (-1.0 + (u / t1));
	} else if (t1 <= 1.6e+188) {
		tmp = t1 * (t_1 / (-u - t1));
	} else {
		tmp = v / (u - t1);
	}
	return tmp;
}
def code(u, v, t1):
	t_1 = v / (t1 + u)
	tmp = 0
	if t1 <= -9.6e+96:
		tmp = t_1 * (-1.0 + (u / t1))
	elif t1 <= 1.6e+188:
		tmp = t1 * (t_1 / (-u - t1))
	else:
		tmp = v / (u - t1)
	return tmp
function code(u, v, t1)
	t_1 = Float64(v / Float64(t1 + u))
	tmp = 0.0
	if (t1 <= -9.6e+96)
		tmp = Float64(t_1 * Float64(-1.0 + Float64(u / t1)));
	elseif (t1 <= 1.6e+188)
		tmp = Float64(t1 * Float64(t_1 / Float64(Float64(-u) - t1)));
	else
		tmp = Float64(v / Float64(u - t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	t_1 = v / (t1 + u);
	tmp = 0.0;
	if (t1 <= -9.6e+96)
		tmp = t_1 * (-1.0 + (u / t1));
	elseif (t1 <= 1.6e+188)
		tmp = t1 * (t_1 / (-u - t1));
	else
		tmp = v / (u - t1);
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := Block[{t$95$1 = N[(v / N[(t1 + u), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t1, -9.6e+96], N[(t$95$1 * N[(-1.0 + N[(u / t1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t1, 1.6e+188], N[(t1 * N[(t$95$1 / N[((-u) - t1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(v / N[(u - t1), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \frac{v}{t1 + u}\\
\mathbf{if}\;t1 \leq -9.6 \cdot 10^{+96}:\\
\;\;\;\;t\_1 \cdot \left(-1 + \frac{u}{t1}\right)\\

\mathbf{elif}\;t1 \leq 1.6 \cdot 10^{+188}:\\
\;\;\;\;t1 \cdot \frac{t\_1}{\left(-u\right) - t1}\\

\mathbf{else}:\\
\;\;\;\;\frac{v}{u - t1}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t1 < -9.59999999999999972e96

    1. Initial program 48.7%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. times-frac100.0%

        \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
      2. distribute-frac-neg100.0%

        \[\leadsto \color{blue}{\left(-\frac{t1}{t1 + u}\right)} \cdot \frac{v}{t1 + u} \]
      3. distribute-neg-frac2100.0%

        \[\leadsto \color{blue}{\frac{t1}{-\left(t1 + u\right)}} \cdot \frac{v}{t1 + u} \]
      4. +-commutative100.0%

        \[\leadsto \frac{t1}{-\color{blue}{\left(u + t1\right)}} \cdot \frac{v}{t1 + u} \]
      5. distribute-neg-in100.0%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) + \left(-t1\right)}} \cdot \frac{v}{t1 + u} \]
      6. unsub-neg100.0%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) - t1}} \cdot \frac{v}{t1 + u} \]
    3. Simplified100.0%

      \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 92.4%

      \[\leadsto \color{blue}{\left(\frac{u}{t1} - 1\right)} \cdot \frac{v}{t1 + u} \]

    if -9.59999999999999972e96 < t1 < 1.59999999999999985e188

    1. Initial program 80.4%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*81.4%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out81.4%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in81.4%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*92.6%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac292.6%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified92.6%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing

    if 1.59999999999999985e188 < t1

    1. Initial program 45.5%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*47.6%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out47.6%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in47.6%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*67.8%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac267.8%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified67.8%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*r/99.9%

        \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
      2. neg-mul-199.9%

        \[\leadsto \frac{t1 \cdot \frac{v}{t1 + u}}{\color{blue}{-1 \cdot \left(t1 + u\right)}} \]
      3. associate-/r*99.9%

        \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
    6. Applied egg-rr99.9%

      \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
    7. Taylor expanded in t1 around inf 92.1%

      \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 + u} \]
    8. Step-by-step derivation
      1. mul-1-neg92.1%

        \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    9. Simplified92.1%

      \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    10. Step-by-step derivation
      1. add-sqr-sqrt54.5%

        \[\leadsto \frac{-v}{t1 + \color{blue}{\sqrt{u} \cdot \sqrt{u}}} \]
      2. sqrt-unprod87.7%

        \[\leadsto \frac{-v}{t1 + \color{blue}{\sqrt{u \cdot u}}} \]
      3. sqr-neg87.7%

        \[\leadsto \frac{-v}{t1 + \sqrt{\color{blue}{\left(-u\right) \cdot \left(-u\right)}}} \]
      4. sqrt-unprod37.8%

        \[\leadsto \frac{-v}{t1 + \color{blue}{\sqrt{-u} \cdot \sqrt{-u}}} \]
      5. add-sqr-sqrt92.3%

        \[\leadsto \frac{-v}{t1 + \color{blue}{\left(-u\right)}} \]
      6. sub-neg92.3%

        \[\leadsto \frac{-v}{\color{blue}{t1 - u}} \]
    11. Applied egg-rr92.3%

      \[\leadsto \frac{-v}{\color{blue}{t1 - u}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification92.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t1 \leq -9.6 \cdot 10^{+96}:\\ \;\;\;\;\frac{v}{t1 + u} \cdot \left(-1 + \frac{u}{t1}\right)\\ \mathbf{elif}\;t1 \leq 1.6 \cdot 10^{+188}:\\ \;\;\;\;t1 \cdot \frac{\frac{v}{t1 + u}}{\left(-u\right) - t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u - t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 77.6% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -2.7 \cdot 10^{-29}:\\ \;\;\;\;\frac{t1 \cdot \frac{v}{-u}}{u}\\ \mathbf{elif}\;u \leq 3.6 \cdot 10^{+109}:\\ \;\;\;\;\frac{v \cdot \frac{t1}{\left(-u\right) - t1}}{t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u} \cdot \frac{t1}{-u}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (<= u -2.7e-29)
   (/ (* t1 (/ v (- u))) u)
   (if (<= u 3.6e+109)
     (/ (* v (/ t1 (- (- u) t1))) t1)
     (* (/ v u) (/ t1 (- u))))))
double code(double u, double v, double t1) {
	double tmp;
	if (u <= -2.7e-29) {
		tmp = (t1 * (v / -u)) / u;
	} else if (u <= 3.6e+109) {
		tmp = (v * (t1 / (-u - t1))) / t1;
	} else {
		tmp = (v / u) * (t1 / -u);
	}
	return tmp;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    real(8) :: tmp
    if (u <= (-2.7d-29)) then
        tmp = (t1 * (v / -u)) / u
    else if (u <= 3.6d+109) then
        tmp = (v * (t1 / (-u - t1))) / t1
    else
        tmp = (v / u) * (t1 / -u)
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if (u <= -2.7e-29) {
		tmp = (t1 * (v / -u)) / u;
	} else if (u <= 3.6e+109) {
		tmp = (v * (t1 / (-u - t1))) / t1;
	} else {
		tmp = (v / u) * (t1 / -u);
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if u <= -2.7e-29:
		tmp = (t1 * (v / -u)) / u
	elif u <= 3.6e+109:
		tmp = (v * (t1 / (-u - t1))) / t1
	else:
		tmp = (v / u) * (t1 / -u)
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if (u <= -2.7e-29)
		tmp = Float64(Float64(t1 * Float64(v / Float64(-u))) / u);
	elseif (u <= 3.6e+109)
		tmp = Float64(Float64(v * Float64(t1 / Float64(Float64(-u) - t1))) / t1);
	else
		tmp = Float64(Float64(v / u) * Float64(t1 / Float64(-u)));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if (u <= -2.7e-29)
		tmp = (t1 * (v / -u)) / u;
	elseif (u <= 3.6e+109)
		tmp = (v * (t1 / (-u - t1))) / t1;
	else
		tmp = (v / u) * (t1 / -u);
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[LessEqual[u, -2.7e-29], N[(N[(t1 * N[(v / (-u)), $MachinePrecision]), $MachinePrecision] / u), $MachinePrecision], If[LessEqual[u, 3.6e+109], N[(N[(v * N[(t1 / N[((-u) - t1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t1), $MachinePrecision], N[(N[(v / u), $MachinePrecision] * N[(t1 / (-u)), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -2.7 \cdot 10^{-29}:\\
\;\;\;\;\frac{t1 \cdot \frac{v}{-u}}{u}\\

\mathbf{elif}\;u \leq 3.6 \cdot 10^{+109}:\\
\;\;\;\;\frac{v \cdot \frac{t1}{\left(-u\right) - t1}}{t1}\\

\mathbf{else}:\\
\;\;\;\;\frac{v}{u} \cdot \frac{t1}{-u}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if u < -2.70000000000000023e-29

    1. Initial program 75.0%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*75.5%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out75.5%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in75.5%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*89.2%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac289.2%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified89.2%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-frac-neg289.2%

        \[\leadsto t1 \cdot \color{blue}{\left(-\frac{\frac{v}{t1 + u}}{t1 + u}\right)} \]
      2. associate-/r*75.5%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}\right) \]
      3. distribute-rgt-neg-in75.5%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      4. distribute-lft-neg-out75.5%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      5. associate-*r/75.0%

        \[\leadsto \color{blue}{\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      6. times-frac95.3%

        \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
      7. frac-2neg95.3%

        \[\leadsto \frac{-t1}{t1 + u} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
      8. associate-*r/95.4%

        \[\leadsto \color{blue}{\frac{\frac{-t1}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)}} \]
      9. add-sqr-sqrt53.0%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      10. sqrt-unprod64.5%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      11. sqr-neg64.5%

        \[\leadsto \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      12. sqrt-unprod29.7%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      13. add-sqr-sqrt55.1%

        \[\leadsto \frac{\frac{\color{blue}{t1}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      14. add-sqr-sqrt48.5%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}} \]
      15. sqrt-unprod55.4%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
      16. sqr-neg55.4%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}} \]
      17. sqrt-prod8.1%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}} \]
      18. add-sqr-sqrt95.4%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{t1 + u}} \]
    6. Applied egg-rr95.4%

      \[\leadsto \color{blue}{\frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{t1 + u}} \]
    7. Taylor expanded in t1 around 0 83.3%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{u}} \]
    8. Taylor expanded in t1 around 0 77.1%

      \[\leadsto \frac{\color{blue}{-1 \cdot \frac{t1 \cdot v}{u}}}{u} \]
    9. Step-by-step derivation
      1. mul-1-neg77.1%

        \[\leadsto \frac{\color{blue}{-\frac{t1 \cdot v}{u}}}{u} \]
      2. associate-/l*87.6%

        \[\leadsto \frac{-\color{blue}{t1 \cdot \frac{v}{u}}}{u} \]
      3. distribute-lft-neg-in87.6%

        \[\leadsto \frac{\color{blue}{\left(-t1\right) \cdot \frac{v}{u}}}{u} \]
    10. Simplified87.6%

      \[\leadsto \frac{\color{blue}{\left(-t1\right) \cdot \frac{v}{u}}}{u} \]

    if -2.70000000000000023e-29 < u < 3.6e109

    1. Initial program 68.8%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*70.5%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out70.5%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in70.5%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*81.0%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac281.0%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified81.0%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-frac-neg281.0%

        \[\leadsto t1 \cdot \color{blue}{\left(-\frac{\frac{v}{t1 + u}}{t1 + u}\right)} \]
      2. associate-/r*70.5%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}\right) \]
      3. distribute-rgt-neg-in70.5%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      4. distribute-lft-neg-out70.5%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      5. associate-*r/68.8%

        \[\leadsto \color{blue}{\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      6. times-frac99.9%

        \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
      7. frac-2neg99.9%

        \[\leadsto \frac{-t1}{t1 + u} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
      8. associate-*r/99.9%

        \[\leadsto \color{blue}{\frac{\frac{-t1}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)}} \]
      9. add-sqr-sqrt55.3%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      10. sqrt-unprod38.7%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      11. sqr-neg38.7%

        \[\leadsto \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      12. sqrt-unprod9.5%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      13. add-sqr-sqrt18.3%

        \[\leadsto \frac{\frac{\color{blue}{t1}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      14. add-sqr-sqrt7.4%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}} \]
      15. sqrt-unprod44.6%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
      16. sqr-neg44.6%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}} \]
      17. sqrt-prod46.7%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}} \]
      18. add-sqr-sqrt99.9%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{t1 + u}} \]
    6. Applied egg-rr99.9%

      \[\leadsto \color{blue}{\frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{t1 + u}} \]
    7. Taylor expanded in t1 around inf 82.4%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{t1}} \]

    if 3.6e109 < u

    1. Initial program 71.9%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. times-frac99.8%

        \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
      2. distribute-frac-neg99.8%

        \[\leadsto \color{blue}{\left(-\frac{t1}{t1 + u}\right)} \cdot \frac{v}{t1 + u} \]
      3. distribute-neg-frac299.8%

        \[\leadsto \color{blue}{\frac{t1}{-\left(t1 + u\right)}} \cdot \frac{v}{t1 + u} \]
      4. +-commutative99.8%

        \[\leadsto \frac{t1}{-\color{blue}{\left(u + t1\right)}} \cdot \frac{v}{t1 + u} \]
      5. distribute-neg-in99.8%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) + \left(-t1\right)}} \cdot \frac{v}{t1 + u} \]
      6. unsub-neg99.8%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) - t1}} \cdot \frac{v}{t1 + u} \]
    3. Simplified99.8%

      \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 83.6%

      \[\leadsto \color{blue}{\left(-1 \cdot \frac{t1}{u}\right)} \cdot \frac{v}{t1 + u} \]
    6. Step-by-step derivation
      1. associate-*r/83.6%

        \[\leadsto \color{blue}{\frac{-1 \cdot t1}{u}} \cdot \frac{v}{t1 + u} \]
      2. mul-1-neg83.6%

        \[\leadsto \frac{\color{blue}{-t1}}{u} \cdot \frac{v}{t1 + u} \]
    7. Simplified83.6%

      \[\leadsto \color{blue}{\frac{-t1}{u}} \cdot \frac{v}{t1 + u} \]
    8. Taylor expanded in t1 around 0 83.8%

      \[\leadsto \frac{-t1}{u} \cdot \color{blue}{\frac{v}{u}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification83.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -2.7 \cdot 10^{-29}:\\ \;\;\;\;\frac{t1 \cdot \frac{v}{-u}}{u}\\ \mathbf{elif}\;u \leq 3.6 \cdot 10^{+109}:\\ \;\;\;\;\frac{v \cdot \frac{t1}{\left(-u\right) - t1}}{t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u} \cdot \frac{t1}{-u}\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 76.8% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -2.2 \cdot 10^{-33} \lor \neg \left(u \leq 7200000000\right):\\ \;\;\;\;\frac{v}{u} \cdot \frac{t1}{-u}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= u -2.2e-33) (not (<= u 7200000000.0)))
   (* (/ v u) (/ t1 (- u)))
   (/ v (- t1))))
double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -2.2e-33) || !(u <= 7200000000.0)) {
		tmp = (v / u) * (t1 / -u);
	} else {
		tmp = v / -t1;
	}
	return tmp;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    real(8) :: tmp
    if ((u <= (-2.2d-33)) .or. (.not. (u <= 7200000000.0d0))) then
        tmp = (v / u) * (t1 / -u)
    else
        tmp = v / -t1
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -2.2e-33) || !(u <= 7200000000.0)) {
		tmp = (v / u) * (t1 / -u);
	} else {
		tmp = v / -t1;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (u <= -2.2e-33) or not (u <= 7200000000.0):
		tmp = (v / u) * (t1 / -u)
	else:
		tmp = v / -t1
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((u <= -2.2e-33) || !(u <= 7200000000.0))
		tmp = Float64(Float64(v / u) * Float64(t1 / Float64(-u)));
	else
		tmp = Float64(v / Float64(-t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((u <= -2.2e-33) || ~((u <= 7200000000.0)))
		tmp = (v / u) * (t1 / -u);
	else
		tmp = v / -t1;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[u, -2.2e-33], N[Not[LessEqual[u, 7200000000.0]], $MachinePrecision]], N[(N[(v / u), $MachinePrecision] * N[(t1 / (-u)), $MachinePrecision]), $MachinePrecision], N[(v / (-t1)), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -2.2 \cdot 10^{-33} \lor \neg \left(u \leq 7200000000\right):\\
\;\;\;\;\frac{v}{u} \cdot \frac{t1}{-u}\\

\mathbf{else}:\\
\;\;\;\;\frac{v}{-t1}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if u < -2.20000000000000005e-33 or 7.2e9 < u

    1. Initial program 74.3%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. times-frac97.7%

        \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
      2. distribute-frac-neg97.7%

        \[\leadsto \color{blue}{\left(-\frac{t1}{t1 + u}\right)} \cdot \frac{v}{t1 + u} \]
      3. distribute-neg-frac297.7%

        \[\leadsto \color{blue}{\frac{t1}{-\left(t1 + u\right)}} \cdot \frac{v}{t1 + u} \]
      4. +-commutative97.7%

        \[\leadsto \frac{t1}{-\color{blue}{\left(u + t1\right)}} \cdot \frac{v}{t1 + u} \]
      5. distribute-neg-in97.7%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) + \left(-t1\right)}} \cdot \frac{v}{t1 + u} \]
      6. unsub-neg97.7%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) - t1}} \cdot \frac{v}{t1 + u} \]
    3. Simplified97.7%

      \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 80.2%

      \[\leadsto \color{blue}{\left(-1 \cdot \frac{t1}{u}\right)} \cdot \frac{v}{t1 + u} \]
    6. Step-by-step derivation
      1. associate-*r/80.2%

        \[\leadsto \color{blue}{\frac{-1 \cdot t1}{u}} \cdot \frac{v}{t1 + u} \]
      2. mul-1-neg80.2%

        \[\leadsto \frac{\color{blue}{-t1}}{u} \cdot \frac{v}{t1 + u} \]
    7. Simplified80.2%

      \[\leadsto \color{blue}{\frac{-t1}{u}} \cdot \frac{v}{t1 + u} \]
    8. Taylor expanded in t1 around 0 79.6%

      \[\leadsto \frac{-t1}{u} \cdot \color{blue}{\frac{v}{u}} \]

    if -2.20000000000000005e-33 < u < 7.2e9

    1. Initial program 67.2%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*68.8%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out68.8%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in68.8%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*80.2%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac280.2%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified80.2%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 85.6%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/85.6%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-185.6%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified85.6%

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification82.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -2.2 \cdot 10^{-33} \lor \neg \left(u \leq 7200000000\right):\\ \;\;\;\;\frac{v}{u} \cdot \frac{t1}{-u}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 76.9% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -2.2 \cdot 10^{-33} \lor \neg \left(u \leq 230000000\right):\\ \;\;\;\;t1 \cdot \frac{\frac{v}{u}}{-u}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= u -2.2e-33) (not (<= u 230000000.0)))
   (* t1 (/ (/ v u) (- u)))
   (/ v (- t1))))
double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -2.2e-33) || !(u <= 230000000.0)) {
		tmp = t1 * ((v / u) / -u);
	} else {
		tmp = v / -t1;
	}
	return tmp;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    real(8) :: tmp
    if ((u <= (-2.2d-33)) .or. (.not. (u <= 230000000.0d0))) then
        tmp = t1 * ((v / u) / -u)
    else
        tmp = v / -t1
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -2.2e-33) || !(u <= 230000000.0)) {
		tmp = t1 * ((v / u) / -u);
	} else {
		tmp = v / -t1;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (u <= -2.2e-33) or not (u <= 230000000.0):
		tmp = t1 * ((v / u) / -u)
	else:
		tmp = v / -t1
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((u <= -2.2e-33) || !(u <= 230000000.0))
		tmp = Float64(t1 * Float64(Float64(v / u) / Float64(-u)));
	else
		tmp = Float64(v / Float64(-t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((u <= -2.2e-33) || ~((u <= 230000000.0)))
		tmp = t1 * ((v / u) / -u);
	else
		tmp = v / -t1;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[u, -2.2e-33], N[Not[LessEqual[u, 230000000.0]], $MachinePrecision]], N[(t1 * N[(N[(v / u), $MachinePrecision] / (-u)), $MachinePrecision]), $MachinePrecision], N[(v / (-t1)), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -2.2 \cdot 10^{-33} \lor \neg \left(u \leq 230000000\right):\\
\;\;\;\;t1 \cdot \frac{\frac{v}{u}}{-u}\\

\mathbf{else}:\\
\;\;\;\;\frac{v}{-t1}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if u < -2.20000000000000005e-33 or 2.3e8 < u

    1. Initial program 74.3%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*73.9%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out73.9%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in73.9%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*86.3%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac286.3%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified86.3%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 78.5%

      \[\leadsto t1 \cdot \frac{\frac{v}{t1 + u}}{-\color{blue}{u}} \]
    6. Taylor expanded in t1 around 0 77.9%

      \[\leadsto t1 \cdot \frac{\color{blue}{\frac{v}{u}}}{-u} \]

    if -2.20000000000000005e-33 < u < 2.3e8

    1. Initial program 67.2%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*68.8%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out68.8%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in68.8%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*80.2%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac280.2%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified80.2%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 85.6%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/85.6%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-185.6%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified85.6%

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification81.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -2.2 \cdot 10^{-33} \lor \neg \left(u \leq 230000000\right):\\ \;\;\;\;t1 \cdot \frac{\frac{v}{u}}{-u}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 77.1% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -2.2 \cdot 10^{-33}:\\ \;\;\;\;\frac{t1 \cdot \frac{v}{-u}}{u}\\ \mathbf{elif}\;u \leq 46000000:\\ \;\;\;\;\frac{v}{-t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u} \cdot \frac{t1}{-u}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (<= u -2.2e-33)
   (/ (* t1 (/ v (- u))) u)
   (if (<= u 46000000.0) (/ v (- t1)) (* (/ v u) (/ t1 (- u))))))
double code(double u, double v, double t1) {
	double tmp;
	if (u <= -2.2e-33) {
		tmp = (t1 * (v / -u)) / u;
	} else if (u <= 46000000.0) {
		tmp = v / -t1;
	} else {
		tmp = (v / u) * (t1 / -u);
	}
	return tmp;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    real(8) :: tmp
    if (u <= (-2.2d-33)) then
        tmp = (t1 * (v / -u)) / u
    else if (u <= 46000000.0d0) then
        tmp = v / -t1
    else
        tmp = (v / u) * (t1 / -u)
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if (u <= -2.2e-33) {
		tmp = (t1 * (v / -u)) / u;
	} else if (u <= 46000000.0) {
		tmp = v / -t1;
	} else {
		tmp = (v / u) * (t1 / -u);
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if u <= -2.2e-33:
		tmp = (t1 * (v / -u)) / u
	elif u <= 46000000.0:
		tmp = v / -t1
	else:
		tmp = (v / u) * (t1 / -u)
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if (u <= -2.2e-33)
		tmp = Float64(Float64(t1 * Float64(v / Float64(-u))) / u);
	elseif (u <= 46000000.0)
		tmp = Float64(v / Float64(-t1));
	else
		tmp = Float64(Float64(v / u) * Float64(t1 / Float64(-u)));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if (u <= -2.2e-33)
		tmp = (t1 * (v / -u)) / u;
	elseif (u <= 46000000.0)
		tmp = v / -t1;
	else
		tmp = (v / u) * (t1 / -u);
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[LessEqual[u, -2.2e-33], N[(N[(t1 * N[(v / (-u)), $MachinePrecision]), $MachinePrecision] / u), $MachinePrecision], If[LessEqual[u, 46000000.0], N[(v / (-t1)), $MachinePrecision], N[(N[(v / u), $MachinePrecision] * N[(t1 / (-u)), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -2.2 \cdot 10^{-33}:\\
\;\;\;\;\frac{t1 \cdot \frac{v}{-u}}{u}\\

\mathbf{elif}\;u \leq 46000000:\\
\;\;\;\;\frac{v}{-t1}\\

\mathbf{else}:\\
\;\;\;\;\frac{v}{u} \cdot \frac{t1}{-u}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if u < -2.20000000000000005e-33

    1. Initial program 75.4%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*75.9%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out75.9%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in75.9%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*89.3%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac289.3%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified89.3%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-frac-neg289.3%

        \[\leadsto t1 \cdot \color{blue}{\left(-\frac{\frac{v}{t1 + u}}{t1 + u}\right)} \]
      2. associate-/r*75.9%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}\right) \]
      3. distribute-rgt-neg-in75.9%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      4. distribute-lft-neg-out75.9%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      5. associate-*r/75.4%

        \[\leadsto \color{blue}{\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      6. times-frac95.4%

        \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
      7. frac-2neg95.4%

        \[\leadsto \frac{-t1}{t1 + u} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
      8. associate-*r/95.4%

        \[\leadsto \color{blue}{\frac{\frac{-t1}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)}} \]
      9. add-sqr-sqrt52.2%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      10. sqrt-unprod65.0%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      11. sqr-neg65.0%

        \[\leadsto \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      12. sqrt-unprod30.8%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      13. add-sqr-sqrt55.8%

        \[\leadsto \frac{\frac{\color{blue}{t1}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      14. add-sqr-sqrt49.4%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}} \]
      15. sqrt-unprod56.1%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
      16. sqr-neg56.1%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}} \]
      17. sqrt-prod7.9%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}} \]
      18. add-sqr-sqrt95.4%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{t1 + u}} \]
    6. Applied egg-rr95.4%

      \[\leadsto \color{blue}{\frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{t1 + u}} \]
    7. Taylor expanded in t1 around 0 83.5%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{u}} \]
    8. Taylor expanded in t1 around 0 77.4%

      \[\leadsto \frac{\color{blue}{-1 \cdot \frac{t1 \cdot v}{u}}}{u} \]
    9. Step-by-step derivation
      1. mul-1-neg77.4%

        \[\leadsto \frac{\color{blue}{-\frac{t1 \cdot v}{u}}}{u} \]
      2. associate-/l*87.8%

        \[\leadsto \frac{-\color{blue}{t1 \cdot \frac{v}{u}}}{u} \]
      3. distribute-lft-neg-in87.8%

        \[\leadsto \frac{\color{blue}{\left(-t1\right) \cdot \frac{v}{u}}}{u} \]
    10. Simplified87.8%

      \[\leadsto \frac{\color{blue}{\left(-t1\right) \cdot \frac{v}{u}}}{u} \]

    if -2.20000000000000005e-33 < u < 4.6e7

    1. Initial program 67.2%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*68.8%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out68.8%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in68.8%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*80.2%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac280.2%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified80.2%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 85.6%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/85.6%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-185.6%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified85.6%

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]

    if 4.6e7 < u

    1. Initial program 73.3%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. times-frac99.8%

        \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
      2. distribute-frac-neg99.8%

        \[\leadsto \color{blue}{\left(-\frac{t1}{t1 + u}\right)} \cdot \frac{v}{t1 + u} \]
      3. distribute-neg-frac299.8%

        \[\leadsto \color{blue}{\frac{t1}{-\left(t1 + u\right)}} \cdot \frac{v}{t1 + u} \]
      4. +-commutative99.8%

        \[\leadsto \frac{t1}{-\color{blue}{\left(u + t1\right)}} \cdot \frac{v}{t1 + u} \]
      5. distribute-neg-in99.8%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) + \left(-t1\right)}} \cdot \frac{v}{t1 + u} \]
      6. unsub-neg99.8%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) - t1}} \cdot \frac{v}{t1 + u} \]
    3. Simplified99.8%

      \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 75.7%

      \[\leadsto \color{blue}{\left(-1 \cdot \frac{t1}{u}\right)} \cdot \frac{v}{t1 + u} \]
    6. Step-by-step derivation
      1. associate-*r/75.7%

        \[\leadsto \color{blue}{\frac{-1 \cdot t1}{u}} \cdot \frac{v}{t1 + u} \]
      2. mul-1-neg75.7%

        \[\leadsto \frac{\color{blue}{-t1}}{u} \cdot \frac{v}{t1 + u} \]
    7. Simplified75.7%

      \[\leadsto \color{blue}{\frac{-t1}{u}} \cdot \frac{v}{t1 + u} \]
    8. Taylor expanded in t1 around 0 76.2%

      \[\leadsto \frac{-t1}{u} \cdot \color{blue}{\frac{v}{u}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification83.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -2.2 \cdot 10^{-33}:\\ \;\;\;\;\frac{t1 \cdot \frac{v}{-u}}{u}\\ \mathbf{elif}\;u \leq 46000000:\\ \;\;\;\;\frac{v}{-t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u} \cdot \frac{t1}{-u}\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 76.8% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -2.2 \cdot 10^{-33}:\\ \;\;\;\;\frac{t1}{u \cdot \frac{u}{-v}}\\ \mathbf{elif}\;u \leq 90000000:\\ \;\;\;\;\frac{v}{-t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u} \cdot \frac{t1}{-u}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (<= u -2.2e-33)
   (/ t1 (* u (/ u (- v))))
   (if (<= u 90000000.0) (/ v (- t1)) (* (/ v u) (/ t1 (- u))))))
double code(double u, double v, double t1) {
	double tmp;
	if (u <= -2.2e-33) {
		tmp = t1 / (u * (u / -v));
	} else if (u <= 90000000.0) {
		tmp = v / -t1;
	} else {
		tmp = (v / u) * (t1 / -u);
	}
	return tmp;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    real(8) :: tmp
    if (u <= (-2.2d-33)) then
        tmp = t1 / (u * (u / -v))
    else if (u <= 90000000.0d0) then
        tmp = v / -t1
    else
        tmp = (v / u) * (t1 / -u)
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if (u <= -2.2e-33) {
		tmp = t1 / (u * (u / -v));
	} else if (u <= 90000000.0) {
		tmp = v / -t1;
	} else {
		tmp = (v / u) * (t1 / -u);
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if u <= -2.2e-33:
		tmp = t1 / (u * (u / -v))
	elif u <= 90000000.0:
		tmp = v / -t1
	else:
		tmp = (v / u) * (t1 / -u)
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if (u <= -2.2e-33)
		tmp = Float64(t1 / Float64(u * Float64(u / Float64(-v))));
	elseif (u <= 90000000.0)
		tmp = Float64(v / Float64(-t1));
	else
		tmp = Float64(Float64(v / u) * Float64(t1 / Float64(-u)));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if (u <= -2.2e-33)
		tmp = t1 / (u * (u / -v));
	elseif (u <= 90000000.0)
		tmp = v / -t1;
	else
		tmp = (v / u) * (t1 / -u);
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[LessEqual[u, -2.2e-33], N[(t1 / N[(u * N[(u / (-v)), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[u, 90000000.0], N[(v / (-t1)), $MachinePrecision], N[(N[(v / u), $MachinePrecision] * N[(t1 / (-u)), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -2.2 \cdot 10^{-33}:\\
\;\;\;\;\frac{t1}{u \cdot \frac{u}{-v}}\\

\mathbf{elif}\;u \leq 90000000:\\
\;\;\;\;\frac{v}{-t1}\\

\mathbf{else}:\\
\;\;\;\;\frac{v}{u} \cdot \frac{t1}{-u}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if u < -2.20000000000000005e-33

    1. Initial program 75.4%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. times-frac95.4%

        \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
      2. distribute-frac-neg95.4%

        \[\leadsto \color{blue}{\left(-\frac{t1}{t1 + u}\right)} \cdot \frac{v}{t1 + u} \]
      3. distribute-neg-frac295.4%

        \[\leadsto \color{blue}{\frac{t1}{-\left(t1 + u\right)}} \cdot \frac{v}{t1 + u} \]
      4. +-commutative95.4%

        \[\leadsto \frac{t1}{-\color{blue}{\left(u + t1\right)}} \cdot \frac{v}{t1 + u} \]
      5. distribute-neg-in95.4%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) + \left(-t1\right)}} \cdot \frac{v}{t1 + u} \]
      6. unsub-neg95.4%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) - t1}} \cdot \frac{v}{t1 + u} \]
    3. Simplified95.4%

      \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 85.0%

      \[\leadsto \color{blue}{\left(-1 \cdot \frac{t1}{u}\right)} \cdot \frac{v}{t1 + u} \]
    6. Step-by-step derivation
      1. associate-*r/85.0%

        \[\leadsto \color{blue}{\frac{-1 \cdot t1}{u}} \cdot \frac{v}{t1 + u} \]
      2. mul-1-neg85.0%

        \[\leadsto \frac{\color{blue}{-t1}}{u} \cdot \frac{v}{t1 + u} \]
    7. Simplified85.0%

      \[\leadsto \color{blue}{\frac{-t1}{u}} \cdot \frac{v}{t1 + u} \]
    8. Taylor expanded in t1 around 0 83.3%

      \[\leadsto \frac{-t1}{u} \cdot \color{blue}{\frac{v}{u}} \]
    9. Step-by-step derivation
      1. *-commutative83.3%

        \[\leadsto \color{blue}{\frac{v}{u} \cdot \frac{-t1}{u}} \]
      2. clear-num83.3%

        \[\leadsto \color{blue}{\frac{1}{\frac{u}{v}}} \cdot \frac{-t1}{u} \]
      3. frac-2neg83.3%

        \[\leadsto \frac{1}{\frac{u}{v}} \cdot \color{blue}{\frac{-\left(-t1\right)}{-u}} \]
      4. frac-times83.3%

        \[\leadsto \color{blue}{\frac{1 \cdot \left(-\left(-t1\right)\right)}{\frac{u}{v} \cdot \left(-u\right)}} \]
      5. *-un-lft-identity83.3%

        \[\leadsto \frac{\color{blue}{-\left(-t1\right)}}{\frac{u}{v} \cdot \left(-u\right)} \]
      6. remove-double-neg83.3%

        \[\leadsto \frac{\color{blue}{t1}}{\frac{u}{v} \cdot \left(-u\right)} \]
    10. Applied egg-rr83.3%

      \[\leadsto \color{blue}{\frac{t1}{\frac{u}{v} \cdot \left(-u\right)}} \]

    if -2.20000000000000005e-33 < u < 9e7

    1. Initial program 67.2%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*68.8%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out68.8%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in68.8%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*80.2%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac280.2%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified80.2%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 85.6%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/85.6%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-185.6%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified85.6%

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]

    if 9e7 < u

    1. Initial program 73.3%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. times-frac99.8%

        \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
      2. distribute-frac-neg99.8%

        \[\leadsto \color{blue}{\left(-\frac{t1}{t1 + u}\right)} \cdot \frac{v}{t1 + u} \]
      3. distribute-neg-frac299.8%

        \[\leadsto \color{blue}{\frac{t1}{-\left(t1 + u\right)}} \cdot \frac{v}{t1 + u} \]
      4. +-commutative99.8%

        \[\leadsto \frac{t1}{-\color{blue}{\left(u + t1\right)}} \cdot \frac{v}{t1 + u} \]
      5. distribute-neg-in99.8%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) + \left(-t1\right)}} \cdot \frac{v}{t1 + u} \]
      6. unsub-neg99.8%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) - t1}} \cdot \frac{v}{t1 + u} \]
    3. Simplified99.8%

      \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 75.7%

      \[\leadsto \color{blue}{\left(-1 \cdot \frac{t1}{u}\right)} \cdot \frac{v}{t1 + u} \]
    6. Step-by-step derivation
      1. associate-*r/75.7%

        \[\leadsto \color{blue}{\frac{-1 \cdot t1}{u}} \cdot \frac{v}{t1 + u} \]
      2. mul-1-neg75.7%

        \[\leadsto \frac{\color{blue}{-t1}}{u} \cdot \frac{v}{t1 + u} \]
    7. Simplified75.7%

      \[\leadsto \color{blue}{\frac{-t1}{u}} \cdot \frac{v}{t1 + u} \]
    8. Taylor expanded in t1 around 0 76.2%

      \[\leadsto \frac{-t1}{u} \cdot \color{blue}{\frac{v}{u}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification82.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -2.2 \cdot 10^{-33}:\\ \;\;\;\;\frac{t1}{u \cdot \frac{u}{-v}}\\ \mathbf{elif}\;u \leq 90000000:\\ \;\;\;\;\frac{v}{-t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u} \cdot \frac{t1}{-u}\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 67.5% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -1.45 \cdot 10^{+182} \lor \neg \left(u \leq 2.35 \cdot 10^{+202}\right):\\ \;\;\;\;v \cdot \frac{\frac{t1}{u}}{u}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u - t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= u -1.45e+182) (not (<= u 2.35e+202)))
   (* v (/ (/ t1 u) u))
   (/ v (- u t1))))
double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -1.45e+182) || !(u <= 2.35e+202)) {
		tmp = v * ((t1 / u) / u);
	} else {
		tmp = v / (u - t1);
	}
	return tmp;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    real(8) :: tmp
    if ((u <= (-1.45d+182)) .or. (.not. (u <= 2.35d+202))) then
        tmp = v * ((t1 / u) / u)
    else
        tmp = v / (u - t1)
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -1.45e+182) || !(u <= 2.35e+202)) {
		tmp = v * ((t1 / u) / u);
	} else {
		tmp = v / (u - t1);
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (u <= -1.45e+182) or not (u <= 2.35e+202):
		tmp = v * ((t1 / u) / u)
	else:
		tmp = v / (u - t1)
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((u <= -1.45e+182) || !(u <= 2.35e+202))
		tmp = Float64(v * Float64(Float64(t1 / u) / u));
	else
		tmp = Float64(v / Float64(u - t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((u <= -1.45e+182) || ~((u <= 2.35e+202)))
		tmp = v * ((t1 / u) / u);
	else
		tmp = v / (u - t1);
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[u, -1.45e+182], N[Not[LessEqual[u, 2.35e+202]], $MachinePrecision]], N[(v * N[(N[(t1 / u), $MachinePrecision] / u), $MachinePrecision]), $MachinePrecision], N[(v / N[(u - t1), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -1.45 \cdot 10^{+182} \lor \neg \left(u \leq 2.35 \cdot 10^{+202}\right):\\
\;\;\;\;v \cdot \frac{\frac{t1}{u}}{u}\\

\mathbf{else}:\\
\;\;\;\;\frac{v}{u - t1}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if u < -1.4499999999999999e182 or 2.3500000000000001e202 < u

    1. Initial program 72.8%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*73.5%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out73.5%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in73.5%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*89.3%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac289.3%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified89.3%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-frac-neg289.3%

        \[\leadsto t1 \cdot \color{blue}{\left(-\frac{\frac{v}{t1 + u}}{t1 + u}\right)} \]
      2. associate-/r*73.5%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}\right) \]
      3. distribute-rgt-neg-in73.5%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      4. distribute-lft-neg-out73.5%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      5. associate-*r/72.8%

        \[\leadsto \color{blue}{\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      6. times-frac98.2%

        \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
      7. frac-2neg98.2%

        \[\leadsto \frac{-t1}{t1 + u} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
      8. associate-*r/98.2%

        \[\leadsto \color{blue}{\frac{\frac{-t1}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)}} \]
      9. add-sqr-sqrt56.0%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      10. sqrt-unprod70.8%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      11. sqr-neg70.8%

        \[\leadsto \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      12. sqrt-unprod30.1%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      13. add-sqr-sqrt73.0%

        \[\leadsto \frac{\frac{\color{blue}{t1}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      14. add-sqr-sqrt37.7%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}} \]
      15. sqrt-unprod73.5%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
      16. sqr-neg73.5%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}} \]
      17. sqrt-prod43.8%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}} \]
      18. add-sqr-sqrt98.2%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{t1 + u}} \]
    6. Applied egg-rr98.2%

      \[\leadsto \color{blue}{\frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{t1 + u}} \]
    7. Taylor expanded in t1 around 0 93.4%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{u}} \]
    8. Taylor expanded in t1 around 0 84.7%

      \[\leadsto \frac{\color{blue}{-1 \cdot \frac{t1 \cdot v}{u}}}{u} \]
    9. Step-by-step derivation
      1. associate-*r/84.7%

        \[\leadsto \frac{\color{blue}{\frac{-1 \cdot \left(t1 \cdot v\right)}{u}}}{u} \]
      2. mul-1-neg84.7%

        \[\leadsto \frac{\frac{\color{blue}{-t1 \cdot v}}{u}}{u} \]
      3. distribute-lft-neg-out84.7%

        \[\leadsto \frac{\frac{\color{blue}{\left(-t1\right) \cdot v}}{u}}{u} \]
      4. *-commutative84.7%

        \[\leadsto \frac{\frac{\color{blue}{v \cdot \left(-t1\right)}}{u}}{u} \]
    10. Simplified84.7%

      \[\leadsto \frac{\color{blue}{\frac{v \cdot \left(-t1\right)}{u}}}{u} \]
    11. Step-by-step derivation
      1. associate-/l*93.4%

        \[\leadsto \frac{\color{blue}{v \cdot \frac{-t1}{u}}}{u} \]
      2. associate-/l*74.0%

        \[\leadsto \color{blue}{v \cdot \frac{\frac{-t1}{u}}{u}} \]
      3. add-sqr-sqrt44.8%

        \[\leadsto v \cdot \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{u}}{u} \]
      4. sqrt-unprod62.9%

        \[\leadsto v \cdot \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{u}}{u} \]
      5. sqr-neg62.9%

        \[\leadsto v \cdot \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{u}}{u} \]
      6. sqrt-unprod29.1%

        \[\leadsto v \cdot \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{u}}{u} \]
      7. add-sqr-sqrt72.1%

        \[\leadsto v \cdot \frac{\frac{\color{blue}{t1}}{u}}{u} \]
    12. Applied egg-rr72.1%

      \[\leadsto \color{blue}{v \cdot \frac{\frac{t1}{u}}{u}} \]

    if -1.4499999999999999e182 < u < 2.3500000000000001e202

    1. Initial program 70.3%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*70.8%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out70.8%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in70.8%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*81.6%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac281.6%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified81.6%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*r/99.9%

        \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
      2. neg-mul-199.9%

        \[\leadsto \frac{t1 \cdot \frac{v}{t1 + u}}{\color{blue}{-1 \cdot \left(t1 + u\right)}} \]
      3. associate-/r*99.9%

        \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
    6. Applied egg-rr99.9%

      \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
    7. Taylor expanded in t1 around inf 71.4%

      \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 + u} \]
    8. Step-by-step derivation
      1. mul-1-neg71.4%

        \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    9. Simplified71.4%

      \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    10. Step-by-step derivation
      1. add-sqr-sqrt42.0%

        \[\leadsto \frac{-v}{t1 + \color{blue}{\sqrt{u} \cdot \sqrt{u}}} \]
      2. sqrt-unprod71.1%

        \[\leadsto \frac{-v}{t1 + \color{blue}{\sqrt{u \cdot u}}} \]
      3. sqr-neg71.1%

        \[\leadsto \frac{-v}{t1 + \sqrt{\color{blue}{\left(-u\right) \cdot \left(-u\right)}}} \]
      4. sqrt-unprod29.8%

        \[\leadsto \frac{-v}{t1 + \color{blue}{\sqrt{-u} \cdot \sqrt{-u}}} \]
      5. add-sqr-sqrt71.8%

        \[\leadsto \frac{-v}{t1 + \color{blue}{\left(-u\right)}} \]
      6. sub-neg71.8%

        \[\leadsto \frac{-v}{\color{blue}{t1 - u}} \]
    11. Applied egg-rr71.8%

      \[\leadsto \frac{-v}{\color{blue}{t1 - u}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification71.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -1.45 \cdot 10^{+182} \lor \neg \left(u \leq 2.35 \cdot 10^{+202}\right):\\ \;\;\;\;v \cdot \frac{\frac{t1}{u}}{u}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u - t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 67.6% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -1.2 \cdot 10^{+182}:\\ \;\;\;\;\frac{v}{u \cdot \frac{u}{t1}}\\ \mathbf{elif}\;u \leq 2.15 \cdot 10^{+202}:\\ \;\;\;\;\frac{v}{u - t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{t1}{u \cdot \frac{u}{v}}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (<= u -1.2e+182)
   (/ v (* u (/ u t1)))
   (if (<= u 2.15e+202) (/ v (- u t1)) (/ t1 (* u (/ u v))))))
double code(double u, double v, double t1) {
	double tmp;
	if (u <= -1.2e+182) {
		tmp = v / (u * (u / t1));
	} else if (u <= 2.15e+202) {
		tmp = v / (u - t1);
	} else {
		tmp = t1 / (u * (u / v));
	}
	return tmp;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    real(8) :: tmp
    if (u <= (-1.2d+182)) then
        tmp = v / (u * (u / t1))
    else if (u <= 2.15d+202) then
        tmp = v / (u - t1)
    else
        tmp = t1 / (u * (u / v))
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if (u <= -1.2e+182) {
		tmp = v / (u * (u / t1));
	} else if (u <= 2.15e+202) {
		tmp = v / (u - t1);
	} else {
		tmp = t1 / (u * (u / v));
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if u <= -1.2e+182:
		tmp = v / (u * (u / t1))
	elif u <= 2.15e+202:
		tmp = v / (u - t1)
	else:
		tmp = t1 / (u * (u / v))
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if (u <= -1.2e+182)
		tmp = Float64(v / Float64(u * Float64(u / t1)));
	elseif (u <= 2.15e+202)
		tmp = Float64(v / Float64(u - t1));
	else
		tmp = Float64(t1 / Float64(u * Float64(u / v)));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if (u <= -1.2e+182)
		tmp = v / (u * (u / t1));
	elseif (u <= 2.15e+202)
		tmp = v / (u - t1);
	else
		tmp = t1 / (u * (u / v));
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[LessEqual[u, -1.2e+182], N[(v / N[(u * N[(u / t1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[u, 2.15e+202], N[(v / N[(u - t1), $MachinePrecision]), $MachinePrecision], N[(t1 / N[(u * N[(u / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -1.2 \cdot 10^{+182}:\\
\;\;\;\;\frac{v}{u \cdot \frac{u}{t1}}\\

\mathbf{elif}\;u \leq 2.15 \cdot 10^{+202}:\\
\;\;\;\;\frac{v}{u - t1}\\

\mathbf{else}:\\
\;\;\;\;\frac{t1}{u \cdot \frac{u}{v}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if u < -1.20000000000000005e182

    1. Initial program 68.1%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. times-frac96.9%

        \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
      2. distribute-frac-neg96.9%

        \[\leadsto \color{blue}{\left(-\frac{t1}{t1 + u}\right)} \cdot \frac{v}{t1 + u} \]
      3. distribute-neg-frac296.9%

        \[\leadsto \color{blue}{\frac{t1}{-\left(t1 + u\right)}} \cdot \frac{v}{t1 + u} \]
      4. +-commutative96.9%

        \[\leadsto \frac{t1}{-\color{blue}{\left(u + t1\right)}} \cdot \frac{v}{t1 + u} \]
      5. distribute-neg-in96.9%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) + \left(-t1\right)}} \cdot \frac{v}{t1 + u} \]
      6. unsub-neg96.9%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) - t1}} \cdot \frac{v}{t1 + u} \]
    3. Simplified96.9%

      \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 93.8%

      \[\leadsto \color{blue}{\left(-1 \cdot \frac{t1}{u}\right)} \cdot \frac{v}{t1 + u} \]
    6. Step-by-step derivation
      1. associate-*r/93.8%

        \[\leadsto \color{blue}{\frac{-1 \cdot t1}{u}} \cdot \frac{v}{t1 + u} \]
      2. mul-1-neg93.8%

        \[\leadsto \frac{\color{blue}{-t1}}{u} \cdot \frac{v}{t1 + u} \]
    7. Simplified93.8%

      \[\leadsto \color{blue}{\frac{-t1}{u}} \cdot \frac{v}{t1 + u} \]
    8. Taylor expanded in t1 around 0 93.7%

      \[\leadsto \frac{-t1}{u} \cdot \color{blue}{\frac{v}{u}} \]
    9. Step-by-step derivation
      1. clear-num93.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{u}{-t1}}} \cdot \frac{v}{u} \]
      2. frac-times68.8%

        \[\leadsto \color{blue}{\frac{1 \cdot v}{\frac{u}{-t1} \cdot u}} \]
      3. *-un-lft-identity68.8%

        \[\leadsto \frac{\color{blue}{v}}{\frac{u}{-t1} \cdot u} \]
      4. add-sqr-sqrt37.8%

        \[\leadsto \frac{v}{\frac{u}{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}} \cdot u} \]
      5. sqrt-unprod61.9%

        \[\leadsto \frac{v}{\frac{u}{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}} \cdot u} \]
      6. sqr-neg61.9%

        \[\leadsto \frac{v}{\frac{u}{\sqrt{\color{blue}{t1 \cdot t1}}} \cdot u} \]
      7. sqrt-unprod31.0%

        \[\leadsto \frac{v}{\frac{u}{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}} \cdot u} \]
      8. add-sqr-sqrt68.7%

        \[\leadsto \frac{v}{\frac{u}{\color{blue}{t1}} \cdot u} \]
    10. Applied egg-rr68.7%

      \[\leadsto \color{blue}{\frac{v}{\frac{u}{t1} \cdot u}} \]

    if -1.20000000000000005e182 < u < 2.1500000000000001e202

    1. Initial program 70.3%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*70.8%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out70.8%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in70.8%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*81.6%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac281.6%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified81.6%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*r/99.9%

        \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
      2. neg-mul-199.9%

        \[\leadsto \frac{t1 \cdot \frac{v}{t1 + u}}{\color{blue}{-1 \cdot \left(t1 + u\right)}} \]
      3. associate-/r*99.9%

        \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
    6. Applied egg-rr99.9%

      \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
    7. Taylor expanded in t1 around inf 71.4%

      \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 + u} \]
    8. Step-by-step derivation
      1. mul-1-neg71.4%

        \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    9. Simplified71.4%

      \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    10. Step-by-step derivation
      1. add-sqr-sqrt42.0%

        \[\leadsto \frac{-v}{t1 + \color{blue}{\sqrt{u} \cdot \sqrt{u}}} \]
      2. sqrt-unprod71.1%

        \[\leadsto \frac{-v}{t1 + \color{blue}{\sqrt{u \cdot u}}} \]
      3. sqr-neg71.1%

        \[\leadsto \frac{-v}{t1 + \sqrt{\color{blue}{\left(-u\right) \cdot \left(-u\right)}}} \]
      4. sqrt-unprod29.8%

        \[\leadsto \frac{-v}{t1 + \color{blue}{\sqrt{-u} \cdot \sqrt{-u}}} \]
      5. add-sqr-sqrt71.8%

        \[\leadsto \frac{-v}{t1 + \color{blue}{\left(-u\right)}} \]
      6. sub-neg71.8%

        \[\leadsto \frac{-v}{\color{blue}{t1 - u}} \]
    11. Applied egg-rr71.8%

      \[\leadsto \frac{-v}{\color{blue}{t1 - u}} \]

    if 2.1500000000000001e202 < u

    1. Initial program 78.1%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. times-frac99.7%

        \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
      2. distribute-frac-neg99.7%

        \[\leadsto \color{blue}{\left(-\frac{t1}{t1 + u}\right)} \cdot \frac{v}{t1 + u} \]
      3. distribute-neg-frac299.7%

        \[\leadsto \color{blue}{\frac{t1}{-\left(t1 + u\right)}} \cdot \frac{v}{t1 + u} \]
      4. +-commutative99.7%

        \[\leadsto \frac{t1}{-\color{blue}{\left(u + t1\right)}} \cdot \frac{v}{t1 + u} \]
      5. distribute-neg-in99.7%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) + \left(-t1\right)}} \cdot \frac{v}{t1 + u} \]
      6. unsub-neg99.7%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) - t1}} \cdot \frac{v}{t1 + u} \]
    3. Simplified99.7%

      \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 92.9%

      \[\leadsto \color{blue}{\left(-1 \cdot \frac{t1}{u}\right)} \cdot \frac{v}{t1 + u} \]
    6. Step-by-step derivation
      1. associate-*r/92.9%

        \[\leadsto \color{blue}{\frac{-1 \cdot t1}{u}} \cdot \frac{v}{t1 + u} \]
      2. mul-1-neg92.9%

        \[\leadsto \frac{\color{blue}{-t1}}{u} \cdot \frac{v}{t1 + u} \]
    7. Simplified92.9%

      \[\leadsto \color{blue}{\frac{-t1}{u}} \cdot \frac{v}{t1 + u} \]
    8. Taylor expanded in t1 around 0 93.0%

      \[\leadsto \frac{-t1}{u} \cdot \color{blue}{\frac{v}{u}} \]
    9. Step-by-step derivation
      1. *-commutative93.0%

        \[\leadsto \color{blue}{\frac{v}{u} \cdot \frac{-t1}{u}} \]
      2. clear-num93.0%

        \[\leadsto \color{blue}{\frac{1}{\frac{u}{v}}} \cdot \frac{-t1}{u} \]
      3. frac-times89.1%

        \[\leadsto \color{blue}{\frac{1 \cdot \left(-t1\right)}{\frac{u}{v} \cdot u}} \]
      4. *-un-lft-identity89.1%

        \[\leadsto \frac{\color{blue}{-t1}}{\frac{u}{v} \cdot u} \]
      5. add-sqr-sqrt55.9%

        \[\leadsto \frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{\frac{u}{v} \cdot u} \]
      6. sqrt-unprod66.9%

        \[\leadsto \frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{\frac{u}{v} \cdot u} \]
      7. sqr-neg66.9%

        \[\leadsto \frac{\sqrt{\color{blue}{t1 \cdot t1}}}{\frac{u}{v} \cdot u} \]
      8. sqrt-unprod29.6%

        \[\leadsto \frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{\frac{u}{v} \cdot u} \]
      9. add-sqr-sqrt78.5%

        \[\leadsto \frac{\color{blue}{t1}}{\frac{u}{v} \cdot u} \]
    10. Applied egg-rr78.5%

      \[\leadsto \color{blue}{\frac{t1}{\frac{u}{v} \cdot u}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification72.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -1.2 \cdot 10^{+182}:\\ \;\;\;\;\frac{v}{u \cdot \frac{u}{t1}}\\ \mathbf{elif}\;u \leq 2.15 \cdot 10^{+202}:\\ \;\;\;\;\frac{v}{u - t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{t1}{u \cdot \frac{u}{v}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 67.6% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -1.5 \cdot 10^{+182}:\\ \;\;\;\;v \cdot \frac{\frac{t1}{u}}{u}\\ \mathbf{elif}\;u \leq 2.3 \cdot 10^{+202}:\\ \;\;\;\;\frac{v}{u - t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{t1}{u \cdot \frac{u}{v}}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (<= u -1.5e+182)
   (* v (/ (/ t1 u) u))
   (if (<= u 2.3e+202) (/ v (- u t1)) (/ t1 (* u (/ u v))))))
double code(double u, double v, double t1) {
	double tmp;
	if (u <= -1.5e+182) {
		tmp = v * ((t1 / u) / u);
	} else if (u <= 2.3e+202) {
		tmp = v / (u - t1);
	} else {
		tmp = t1 / (u * (u / v));
	}
	return tmp;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    real(8) :: tmp
    if (u <= (-1.5d+182)) then
        tmp = v * ((t1 / u) / u)
    else if (u <= 2.3d+202) then
        tmp = v / (u - t1)
    else
        tmp = t1 / (u * (u / v))
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if (u <= -1.5e+182) {
		tmp = v * ((t1 / u) / u);
	} else if (u <= 2.3e+202) {
		tmp = v / (u - t1);
	} else {
		tmp = t1 / (u * (u / v));
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if u <= -1.5e+182:
		tmp = v * ((t1 / u) / u)
	elif u <= 2.3e+202:
		tmp = v / (u - t1)
	else:
		tmp = t1 / (u * (u / v))
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if (u <= -1.5e+182)
		tmp = Float64(v * Float64(Float64(t1 / u) / u));
	elseif (u <= 2.3e+202)
		tmp = Float64(v / Float64(u - t1));
	else
		tmp = Float64(t1 / Float64(u * Float64(u / v)));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if (u <= -1.5e+182)
		tmp = v * ((t1 / u) / u);
	elseif (u <= 2.3e+202)
		tmp = v / (u - t1);
	else
		tmp = t1 / (u * (u / v));
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[LessEqual[u, -1.5e+182], N[(v * N[(N[(t1 / u), $MachinePrecision] / u), $MachinePrecision]), $MachinePrecision], If[LessEqual[u, 2.3e+202], N[(v / N[(u - t1), $MachinePrecision]), $MachinePrecision], N[(t1 / N[(u * N[(u / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -1.5 \cdot 10^{+182}:\\
\;\;\;\;v \cdot \frac{\frac{t1}{u}}{u}\\

\mathbf{elif}\;u \leq 2.3 \cdot 10^{+202}:\\
\;\;\;\;\frac{v}{u - t1}\\

\mathbf{else}:\\
\;\;\;\;\frac{t1}{u \cdot \frac{u}{v}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if u < -1.5000000000000001e182

    1. Initial program 68.1%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*68.7%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out68.7%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in68.7%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*87.5%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac287.5%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified87.5%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-frac-neg287.5%

        \[\leadsto t1 \cdot \color{blue}{\left(-\frac{\frac{v}{t1 + u}}{t1 + u}\right)} \]
      2. associate-/r*68.7%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}\right) \]
      3. distribute-rgt-neg-in68.7%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      4. distribute-lft-neg-out68.7%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      5. associate-*r/68.1%

        \[\leadsto \color{blue}{\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      6. times-frac96.9%

        \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
      7. frac-2neg96.9%

        \[\leadsto \frac{-t1}{t1 + u} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
      8. associate-*r/96.8%

        \[\leadsto \color{blue}{\frac{\frac{-t1}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)}} \]
      9. add-sqr-sqrt53.1%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      10. sqrt-unprod74.1%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      11. sqr-neg74.1%

        \[\leadsto \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      12. sqrt-unprod30.8%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      13. add-sqr-sqrt68.3%

        \[\leadsto \frac{\frac{\color{blue}{t1}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      14. add-sqr-sqrt68.3%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}} \]
      15. sqrt-unprod68.7%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
      16. sqr-neg68.7%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}} \]
      17. sqrt-prod0.0%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}} \]
      18. add-sqr-sqrt96.8%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{t1 + u}} \]
    6. Applied egg-rr96.8%

      \[\leadsto \color{blue}{\frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{t1 + u}} \]
    7. Taylor expanded in t1 around 0 93.7%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{u}} \]
    8. Taylor expanded in t1 around 0 86.9%

      \[\leadsto \frac{\color{blue}{-1 \cdot \frac{t1 \cdot v}{u}}}{u} \]
    9. Step-by-step derivation
      1. associate-*r/86.9%

        \[\leadsto \frac{\color{blue}{\frac{-1 \cdot \left(t1 \cdot v\right)}{u}}}{u} \]
      2. mul-1-neg86.9%

        \[\leadsto \frac{\frac{\color{blue}{-t1 \cdot v}}{u}}{u} \]
      3. distribute-lft-neg-out86.9%

        \[\leadsto \frac{\frac{\color{blue}{\left(-t1\right) \cdot v}}{u}}{u} \]
      4. *-commutative86.9%

        \[\leadsto \frac{\frac{\color{blue}{v \cdot \left(-t1\right)}}{u}}{u} \]
    10. Simplified86.9%

      \[\leadsto \frac{\color{blue}{\frac{v \cdot \left(-t1\right)}{u}}}{u} \]
    11. Step-by-step derivation
      1. associate-/l*93.7%

        \[\leadsto \frac{\color{blue}{v \cdot \frac{-t1}{u}}}{u} \]
      2. associate-/l*71.9%

        \[\leadsto \color{blue}{v \cdot \frac{\frac{-t1}{u}}{u}} \]
      3. add-sqr-sqrt40.9%

        \[\leadsto v \cdot \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{u}}{u} \]
      4. sqrt-unprod64.9%

        \[\leadsto v \cdot \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{u}}{u} \]
      5. sqr-neg64.9%

        \[\leadsto v \cdot \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{u}}{u} \]
      6. sqrt-unprod31.0%

        \[\leadsto v \cdot \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{u}}{u} \]
      7. add-sqr-sqrt68.6%

        \[\leadsto v \cdot \frac{\frac{\color{blue}{t1}}{u}}{u} \]
    12. Applied egg-rr68.6%

      \[\leadsto \color{blue}{v \cdot \frac{\frac{t1}{u}}{u}} \]

    if -1.5000000000000001e182 < u < 2.29999999999999999e202

    1. Initial program 70.3%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*70.8%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out70.8%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in70.8%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*81.6%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac281.6%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified81.6%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*r/99.9%

        \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
      2. neg-mul-199.9%

        \[\leadsto \frac{t1 \cdot \frac{v}{t1 + u}}{\color{blue}{-1 \cdot \left(t1 + u\right)}} \]
      3. associate-/r*99.9%

        \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
    6. Applied egg-rr99.9%

      \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
    7. Taylor expanded in t1 around inf 71.4%

      \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 + u} \]
    8. Step-by-step derivation
      1. mul-1-neg71.4%

        \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    9. Simplified71.4%

      \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    10. Step-by-step derivation
      1. add-sqr-sqrt42.0%

        \[\leadsto \frac{-v}{t1 + \color{blue}{\sqrt{u} \cdot \sqrt{u}}} \]
      2. sqrt-unprod71.1%

        \[\leadsto \frac{-v}{t1 + \color{blue}{\sqrt{u \cdot u}}} \]
      3. sqr-neg71.1%

        \[\leadsto \frac{-v}{t1 + \sqrt{\color{blue}{\left(-u\right) \cdot \left(-u\right)}}} \]
      4. sqrt-unprod29.8%

        \[\leadsto \frac{-v}{t1 + \color{blue}{\sqrt{-u} \cdot \sqrt{-u}}} \]
      5. add-sqr-sqrt71.8%

        \[\leadsto \frac{-v}{t1 + \color{blue}{\left(-u\right)}} \]
      6. sub-neg71.8%

        \[\leadsto \frac{-v}{\color{blue}{t1 - u}} \]
    11. Applied egg-rr71.8%

      \[\leadsto \frac{-v}{\color{blue}{t1 - u}} \]

    if 2.29999999999999999e202 < u

    1. Initial program 78.1%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. times-frac99.7%

        \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
      2. distribute-frac-neg99.7%

        \[\leadsto \color{blue}{\left(-\frac{t1}{t1 + u}\right)} \cdot \frac{v}{t1 + u} \]
      3. distribute-neg-frac299.7%

        \[\leadsto \color{blue}{\frac{t1}{-\left(t1 + u\right)}} \cdot \frac{v}{t1 + u} \]
      4. +-commutative99.7%

        \[\leadsto \frac{t1}{-\color{blue}{\left(u + t1\right)}} \cdot \frac{v}{t1 + u} \]
      5. distribute-neg-in99.7%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) + \left(-t1\right)}} \cdot \frac{v}{t1 + u} \]
      6. unsub-neg99.7%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) - t1}} \cdot \frac{v}{t1 + u} \]
    3. Simplified99.7%

      \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 92.9%

      \[\leadsto \color{blue}{\left(-1 \cdot \frac{t1}{u}\right)} \cdot \frac{v}{t1 + u} \]
    6. Step-by-step derivation
      1. associate-*r/92.9%

        \[\leadsto \color{blue}{\frac{-1 \cdot t1}{u}} \cdot \frac{v}{t1 + u} \]
      2. mul-1-neg92.9%

        \[\leadsto \frac{\color{blue}{-t1}}{u} \cdot \frac{v}{t1 + u} \]
    7. Simplified92.9%

      \[\leadsto \color{blue}{\frac{-t1}{u}} \cdot \frac{v}{t1 + u} \]
    8. Taylor expanded in t1 around 0 93.0%

      \[\leadsto \frac{-t1}{u} \cdot \color{blue}{\frac{v}{u}} \]
    9. Step-by-step derivation
      1. *-commutative93.0%

        \[\leadsto \color{blue}{\frac{v}{u} \cdot \frac{-t1}{u}} \]
      2. clear-num93.0%

        \[\leadsto \color{blue}{\frac{1}{\frac{u}{v}}} \cdot \frac{-t1}{u} \]
      3. frac-times89.1%

        \[\leadsto \color{blue}{\frac{1 \cdot \left(-t1\right)}{\frac{u}{v} \cdot u}} \]
      4. *-un-lft-identity89.1%

        \[\leadsto \frac{\color{blue}{-t1}}{\frac{u}{v} \cdot u} \]
      5. add-sqr-sqrt55.9%

        \[\leadsto \frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{\frac{u}{v} \cdot u} \]
      6. sqrt-unprod66.9%

        \[\leadsto \frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{\frac{u}{v} \cdot u} \]
      7. sqr-neg66.9%

        \[\leadsto \frac{\sqrt{\color{blue}{t1 \cdot t1}}}{\frac{u}{v} \cdot u} \]
      8. sqrt-unprod29.6%

        \[\leadsto \frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{\frac{u}{v} \cdot u} \]
      9. add-sqr-sqrt78.5%

        \[\leadsto \frac{\color{blue}{t1}}{\frac{u}{v} \cdot u} \]
    10. Applied egg-rr78.5%

      \[\leadsto \color{blue}{\frac{t1}{\frac{u}{v} \cdot u}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification72.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -1.5 \cdot 10^{+182}:\\ \;\;\;\;v \cdot \frac{\frac{t1}{u}}{u}\\ \mathbf{elif}\;u \leq 2.3 \cdot 10^{+202}:\\ \;\;\;\;\frac{v}{u - t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{t1}{u \cdot \frac{u}{v}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 11: 59.1% accurate, 0.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -5.8 \cdot 10^{+199}:\\ \;\;\;\;\frac{1}{\frac{u}{v}}\\ \mathbf{elif}\;u \leq 2.3 \cdot 10^{+202}:\\ \;\;\;\;\frac{v}{-t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{t1 + u}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (<= u -5.8e+199)
   (/ 1.0 (/ u v))
   (if (<= u 2.3e+202) (/ v (- t1)) (/ v (+ t1 u)))))
double code(double u, double v, double t1) {
	double tmp;
	if (u <= -5.8e+199) {
		tmp = 1.0 / (u / v);
	} else if (u <= 2.3e+202) {
		tmp = v / -t1;
	} else {
		tmp = v / (t1 + u);
	}
	return tmp;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    real(8) :: tmp
    if (u <= (-5.8d+199)) then
        tmp = 1.0d0 / (u / v)
    else if (u <= 2.3d+202) then
        tmp = v / -t1
    else
        tmp = v / (t1 + u)
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if (u <= -5.8e+199) {
		tmp = 1.0 / (u / v);
	} else if (u <= 2.3e+202) {
		tmp = v / -t1;
	} else {
		tmp = v / (t1 + u);
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if u <= -5.8e+199:
		tmp = 1.0 / (u / v)
	elif u <= 2.3e+202:
		tmp = v / -t1
	else:
		tmp = v / (t1 + u)
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if (u <= -5.8e+199)
		tmp = Float64(1.0 / Float64(u / v));
	elseif (u <= 2.3e+202)
		tmp = Float64(v / Float64(-t1));
	else
		tmp = Float64(v / Float64(t1 + u));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if (u <= -5.8e+199)
		tmp = 1.0 / (u / v);
	elseif (u <= 2.3e+202)
		tmp = v / -t1;
	else
		tmp = v / (t1 + u);
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[LessEqual[u, -5.8e+199], N[(1.0 / N[(u / v), $MachinePrecision]), $MachinePrecision], If[LessEqual[u, 2.3e+202], N[(v / (-t1)), $MachinePrecision], N[(v / N[(t1 + u), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -5.8 \cdot 10^{+199}:\\
\;\;\;\;\frac{1}{\frac{u}{v}}\\

\mathbf{elif}\;u \leq 2.3 \cdot 10^{+202}:\\
\;\;\;\;\frac{v}{-t1}\\

\mathbf{else}:\\
\;\;\;\;\frac{v}{t1 + u}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if u < -5.7999999999999998e199

    1. Initial program 68.2%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*68.8%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out68.8%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in68.8%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*88.3%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac288.3%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified88.3%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 88.3%

      \[\leadsto t1 \cdot \frac{\frac{v}{t1 + u}}{-\color{blue}{u}} \]
    6. Taylor expanded in t1 around inf 42.5%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{u}} \]
    7. Step-by-step derivation
      1. associate-*r/42.5%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{u}} \]
      2. mul-1-neg42.5%

        \[\leadsto \frac{\color{blue}{-v}}{u} \]
    8. Simplified42.5%

      \[\leadsto \color{blue}{\frac{-v}{u}} \]
    9. Step-by-step derivation
      1. add-sqr-sqrt29.1%

        \[\leadsto \frac{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}}{u} \]
      2. sqrt-unprod42.1%

        \[\leadsto \frac{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}}{u} \]
      3. sqr-neg42.1%

        \[\leadsto \frac{\sqrt{\color{blue}{v \cdot v}}}{u} \]
      4. sqrt-unprod13.4%

        \[\leadsto \frac{\color{blue}{\sqrt{v} \cdot \sqrt{v}}}{u} \]
      5. add-sqr-sqrt42.9%

        \[\leadsto \frac{\color{blue}{v}}{u} \]
      6. clear-num44.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{u}{v}}} \]
      7. inv-pow44.8%

        \[\leadsto \color{blue}{{\left(\frac{u}{v}\right)}^{-1}} \]
    10. Applied egg-rr44.8%

      \[\leadsto \color{blue}{{\left(\frac{u}{v}\right)}^{-1}} \]
    11. Step-by-step derivation
      1. unpow-144.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{u}{v}}} \]
    12. Simplified44.8%

      \[\leadsto \color{blue}{\frac{1}{\frac{u}{v}}} \]

    if -5.7999999999999998e199 < u < 2.29999999999999999e202

    1. Initial program 70.2%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*70.7%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out70.7%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in70.7%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*81.7%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac281.7%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified81.7%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 68.1%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/68.1%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-168.1%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified68.1%

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]

    if 2.29999999999999999e202 < u

    1. Initial program 78.1%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*78.7%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out78.7%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in78.7%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*91.4%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac291.4%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified91.4%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*r/99.8%

        \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
      2. neg-mul-199.8%

        \[\leadsto \frac{t1 \cdot \frac{v}{t1 + u}}{\color{blue}{-1 \cdot \left(t1 + u\right)}} \]
      3. associate-/r*99.8%

        \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
    6. Applied egg-rr99.8%

      \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
    7. Taylor expanded in t1 around inf 42.3%

      \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 + u} \]
    8. Step-by-step derivation
      1. mul-1-neg42.3%

        \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    9. Simplified42.3%

      \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    10. Step-by-step derivation
      1. div-inv42.3%

        \[\leadsto \color{blue}{\left(-v\right) \cdot \frac{1}{t1 + u}} \]
      2. add-sqr-sqrt16.4%

        \[\leadsto \color{blue}{\left(\sqrt{-v} \cdot \sqrt{-v}\right)} \cdot \frac{1}{t1 + u} \]
      3. sqrt-unprod38.8%

        \[\leadsto \color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}} \cdot \frac{1}{t1 + u} \]
      4. sqr-neg38.8%

        \[\leadsto \sqrt{\color{blue}{v \cdot v}} \cdot \frac{1}{t1 + u} \]
      5. sqrt-unprod22.9%

        \[\leadsto \color{blue}{\left(\sqrt{v} \cdot \sqrt{v}\right)} \cdot \frac{1}{t1 + u} \]
      6. add-sqr-sqrt39.2%

        \[\leadsto \color{blue}{v} \cdot \frac{1}{t1 + u} \]
    11. Applied egg-rr39.2%

      \[\leadsto \color{blue}{v \cdot \frac{1}{t1 + u}} \]
    12. Step-by-step derivation
      1. associate-*r/39.2%

        \[\leadsto \color{blue}{\frac{v \cdot 1}{t1 + u}} \]
      2. *-rgt-identity39.2%

        \[\leadsto \frac{\color{blue}{v}}{t1 + u} \]
    13. Simplified39.2%

      \[\leadsto \color{blue}{\frac{v}{t1 + u}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification62.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -5.8 \cdot 10^{+199}:\\ \;\;\;\;\frac{1}{\frac{u}{v}}\\ \mathbf{elif}\;u \leq 2.3 \cdot 10^{+202}:\\ \;\;\;\;\frac{v}{-t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{t1 + u}\\ \end{array} \]
  5. Add Preprocessing

Alternative 12: 58.8% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -4.2 \cdot 10^{+199} \lor \neg \left(u \leq 1.2 \cdot 10^{+217}\right):\\ \;\;\;\;\frac{v}{u}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= u -4.2e+199) (not (<= u 1.2e+217))) (/ v u) (/ v (- t1))))
double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -4.2e+199) || !(u <= 1.2e+217)) {
		tmp = v / u;
	} else {
		tmp = v / -t1;
	}
	return tmp;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    real(8) :: tmp
    if ((u <= (-4.2d+199)) .or. (.not. (u <= 1.2d+217))) then
        tmp = v / u
    else
        tmp = v / -t1
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -4.2e+199) || !(u <= 1.2e+217)) {
		tmp = v / u;
	} else {
		tmp = v / -t1;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (u <= -4.2e+199) or not (u <= 1.2e+217):
		tmp = v / u
	else:
		tmp = v / -t1
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((u <= -4.2e+199) || !(u <= 1.2e+217))
		tmp = Float64(v / u);
	else
		tmp = Float64(v / Float64(-t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((u <= -4.2e+199) || ~((u <= 1.2e+217)))
		tmp = v / u;
	else
		tmp = v / -t1;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[u, -4.2e+199], N[Not[LessEqual[u, 1.2e+217]], $MachinePrecision]], N[(v / u), $MachinePrecision], N[(v / (-t1)), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -4.2 \cdot 10^{+199} \lor \neg \left(u \leq 1.2 \cdot 10^{+217}\right):\\
\;\;\;\;\frac{v}{u}\\

\mathbf{else}:\\
\;\;\;\;\frac{v}{-t1}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if u < -4.1999999999999999e199 or 1.1999999999999999e217 < u

    1. Initial program 71.9%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*72.6%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out72.6%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in72.6%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*91.0%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac291.0%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified91.0%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*r/99.8%

        \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
      2. neg-mul-199.8%

        \[\leadsto \frac{t1 \cdot \frac{v}{t1 + u}}{\color{blue}{-1 \cdot \left(t1 + u\right)}} \]
      3. associate-/r*99.8%

        \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
    6. Applied egg-rr99.8%

      \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
    7. Taylor expanded in t1 around inf 38.5%

      \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 + u} \]
    8. Step-by-step derivation
      1. mul-1-neg38.5%

        \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    9. Simplified38.5%

      \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    10. Step-by-step derivation
      1. clear-num39.5%

        \[\leadsto \color{blue}{\frac{1}{\frac{t1 + u}{-v}}} \]
      2. associate-/r/38.5%

        \[\leadsto \color{blue}{\frac{1}{t1 + u} \cdot \left(-v\right)} \]
      3. add-sqr-sqrt25.9%

        \[\leadsto \frac{1}{t1 + u} \cdot \color{blue}{\left(\sqrt{-v} \cdot \sqrt{-v}\right)} \]
      4. sqrt-unprod38.0%

        \[\leadsto \frac{1}{t1 + u} \cdot \color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}} \]
      5. sqr-neg38.0%

        \[\leadsto \frac{1}{t1 + u} \cdot \sqrt{\color{blue}{v \cdot v}} \]
      6. sqrt-unprod12.6%

        \[\leadsto \frac{1}{t1 + u} \cdot \color{blue}{\left(\sqrt{v} \cdot \sqrt{v}\right)} \]
      7. add-sqr-sqrt38.6%

        \[\leadsto \frac{1}{t1 + u} \cdot \color{blue}{v} \]
    11. Applied egg-rr38.6%

      \[\leadsto \color{blue}{\frac{1}{t1 + u} \cdot v} \]
    12. Taylor expanded in t1 around 0 38.6%

      \[\leadsto \color{blue}{\frac{v}{u}} \]

    if -4.1999999999999999e199 < u < 1.1999999999999999e217

    1. Initial program 70.6%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*71.2%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out71.2%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in71.2%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*81.7%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac281.7%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified81.7%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 67.6%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/67.6%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-167.6%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified67.6%

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification62.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -4.2 \cdot 10^{+199} \lor \neg \left(u \leq 1.2 \cdot 10^{+217}\right):\\ \;\;\;\;\frac{v}{u}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 13: 58.9% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -3.2 \cdot 10^{+199}:\\ \;\;\;\;\frac{1}{\frac{u}{v}}\\ \mathbf{elif}\;u \leq 2.9 \cdot 10^{+218}:\\ \;\;\;\;\frac{v}{-t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-u}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (<= u -3.2e+199)
   (/ 1.0 (/ u v))
   (if (<= u 2.9e+218) (/ v (- t1)) (/ v (- u)))))
double code(double u, double v, double t1) {
	double tmp;
	if (u <= -3.2e+199) {
		tmp = 1.0 / (u / v);
	} else if (u <= 2.9e+218) {
		tmp = v / -t1;
	} else {
		tmp = v / -u;
	}
	return tmp;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    real(8) :: tmp
    if (u <= (-3.2d+199)) then
        tmp = 1.0d0 / (u / v)
    else if (u <= 2.9d+218) then
        tmp = v / -t1
    else
        tmp = v / -u
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if (u <= -3.2e+199) {
		tmp = 1.0 / (u / v);
	} else if (u <= 2.9e+218) {
		tmp = v / -t1;
	} else {
		tmp = v / -u;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if u <= -3.2e+199:
		tmp = 1.0 / (u / v)
	elif u <= 2.9e+218:
		tmp = v / -t1
	else:
		tmp = v / -u
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if (u <= -3.2e+199)
		tmp = Float64(1.0 / Float64(u / v));
	elseif (u <= 2.9e+218)
		tmp = Float64(v / Float64(-t1));
	else
		tmp = Float64(v / Float64(-u));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if (u <= -3.2e+199)
		tmp = 1.0 / (u / v);
	elseif (u <= 2.9e+218)
		tmp = v / -t1;
	else
		tmp = v / -u;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[LessEqual[u, -3.2e+199], N[(1.0 / N[(u / v), $MachinePrecision]), $MachinePrecision], If[LessEqual[u, 2.9e+218], N[(v / (-t1)), $MachinePrecision], N[(v / (-u)), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -3.2 \cdot 10^{+199}:\\
\;\;\;\;\frac{1}{\frac{u}{v}}\\

\mathbf{elif}\;u \leq 2.9 \cdot 10^{+218}:\\
\;\;\;\;\frac{v}{-t1}\\

\mathbf{else}:\\
\;\;\;\;\frac{v}{-u}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if u < -3.20000000000000006e199

    1. Initial program 68.2%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*68.8%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out68.8%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in68.8%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*88.3%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac288.3%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified88.3%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 88.3%

      \[\leadsto t1 \cdot \frac{\frac{v}{t1 + u}}{-\color{blue}{u}} \]
    6. Taylor expanded in t1 around inf 42.5%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{u}} \]
    7. Step-by-step derivation
      1. associate-*r/42.5%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{u}} \]
      2. mul-1-neg42.5%

        \[\leadsto \frac{\color{blue}{-v}}{u} \]
    8. Simplified42.5%

      \[\leadsto \color{blue}{\frac{-v}{u}} \]
    9. Step-by-step derivation
      1. add-sqr-sqrt29.1%

        \[\leadsto \frac{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}}{u} \]
      2. sqrt-unprod42.1%

        \[\leadsto \frac{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}}{u} \]
      3. sqr-neg42.1%

        \[\leadsto \frac{\sqrt{\color{blue}{v \cdot v}}}{u} \]
      4. sqrt-unprod13.4%

        \[\leadsto \frac{\color{blue}{\sqrt{v} \cdot \sqrt{v}}}{u} \]
      5. add-sqr-sqrt42.9%

        \[\leadsto \frac{\color{blue}{v}}{u} \]
      6. clear-num44.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{u}{v}}} \]
      7. inv-pow44.8%

        \[\leadsto \color{blue}{{\left(\frac{u}{v}\right)}^{-1}} \]
    10. Applied egg-rr44.8%

      \[\leadsto \color{blue}{{\left(\frac{u}{v}\right)}^{-1}} \]
    11. Step-by-step derivation
      1. unpow-144.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{u}{v}}} \]
    12. Simplified44.8%

      \[\leadsto \color{blue}{\frac{1}{\frac{u}{v}}} \]

    if -3.20000000000000006e199 < u < 2.8999999999999999e218

    1. Initial program 70.3%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*70.8%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out70.8%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in70.8%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*81.8%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac281.8%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified81.8%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 67.3%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/67.3%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-167.3%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified67.3%

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]

    if 2.8999999999999999e218 < u

    1. Initial program 80.4%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*80.9%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out80.9%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in80.9%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*93.9%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac293.9%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified93.9%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 93.9%

      \[\leadsto t1 \cdot \frac{\frac{v}{t1 + u}}{-\color{blue}{u}} \]
    6. Taylor expanded in t1 around inf 35.3%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{u}} \]
    7. Step-by-step derivation
      1. associate-*r/35.3%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{u}} \]
      2. mul-1-neg35.3%

        \[\leadsto \frac{\color{blue}{-v}}{u} \]
    8. Simplified35.3%

      \[\leadsto \color{blue}{\frac{-v}{u}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification62.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -3.2 \cdot 10^{+199}:\\ \;\;\;\;\frac{1}{\frac{u}{v}}\\ \mathbf{elif}\;u \leq 2.9 \cdot 10^{+218}:\\ \;\;\;\;\frac{v}{-t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-u}\\ \end{array} \]
  5. Add Preprocessing

Alternative 14: 58.8% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -5.2 \cdot 10^{+202}:\\ \;\;\;\;\frac{v}{u}\\ \mathbf{elif}\;u \leq 4.2 \cdot 10^{+218}:\\ \;\;\;\;\frac{v}{-t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-u}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (<= u -5.2e+202) (/ v u) (if (<= u 4.2e+218) (/ v (- t1)) (/ v (- u)))))
double code(double u, double v, double t1) {
	double tmp;
	if (u <= -5.2e+202) {
		tmp = v / u;
	} else if (u <= 4.2e+218) {
		tmp = v / -t1;
	} else {
		tmp = v / -u;
	}
	return tmp;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    real(8) :: tmp
    if (u <= (-5.2d+202)) then
        tmp = v / u
    else if (u <= 4.2d+218) then
        tmp = v / -t1
    else
        tmp = v / -u
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if (u <= -5.2e+202) {
		tmp = v / u;
	} else if (u <= 4.2e+218) {
		tmp = v / -t1;
	} else {
		tmp = v / -u;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if u <= -5.2e+202:
		tmp = v / u
	elif u <= 4.2e+218:
		tmp = v / -t1
	else:
		tmp = v / -u
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if (u <= -5.2e+202)
		tmp = Float64(v / u);
	elseif (u <= 4.2e+218)
		tmp = Float64(v / Float64(-t1));
	else
		tmp = Float64(v / Float64(-u));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if (u <= -5.2e+202)
		tmp = v / u;
	elseif (u <= 4.2e+218)
		tmp = v / -t1;
	else
		tmp = v / -u;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[LessEqual[u, -5.2e+202], N[(v / u), $MachinePrecision], If[LessEqual[u, 4.2e+218], N[(v / (-t1)), $MachinePrecision], N[(v / (-u)), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -5.2 \cdot 10^{+202}:\\
\;\;\;\;\frac{v}{u}\\

\mathbf{elif}\;u \leq 4.2 \cdot 10^{+218}:\\
\;\;\;\;\frac{v}{-t1}\\

\mathbf{else}:\\
\;\;\;\;\frac{v}{-u}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if u < -5.2000000000000004e202

    1. Initial program 68.2%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*68.8%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out68.8%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in68.8%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*88.3%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac288.3%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified88.3%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*r/99.8%

        \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
      2. neg-mul-199.8%

        \[\leadsto \frac{t1 \cdot \frac{v}{t1 + u}}{\color{blue}{-1 \cdot \left(t1 + u\right)}} \]
      3. associate-/r*99.8%

        \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
    6. Applied egg-rr99.8%

      \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
    7. Taylor expanded in t1 around inf 42.5%

      \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 + u} \]
    8. Step-by-step derivation
      1. mul-1-neg42.5%

        \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    9. Simplified42.5%

      \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    10. Step-by-step derivation
      1. clear-num44.4%

        \[\leadsto \color{blue}{\frac{1}{\frac{t1 + u}{-v}}} \]
      2. associate-/r/42.5%

        \[\leadsto \color{blue}{\frac{1}{t1 + u} \cdot \left(-v\right)} \]
      3. add-sqr-sqrt29.1%

        \[\leadsto \frac{1}{t1 + u} \cdot \color{blue}{\left(\sqrt{-v} \cdot \sqrt{-v}\right)} \]
      4. sqrt-unprod42.1%

        \[\leadsto \frac{1}{t1 + u} \cdot \color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}} \]
      5. sqr-neg42.1%

        \[\leadsto \frac{1}{t1 + u} \cdot \sqrt{\color{blue}{v \cdot v}} \]
      6. sqrt-unprod13.4%

        \[\leadsto \frac{1}{t1 + u} \cdot \color{blue}{\left(\sqrt{v} \cdot \sqrt{v}\right)} \]
      7. add-sqr-sqrt42.9%

        \[\leadsto \frac{1}{t1 + u} \cdot \color{blue}{v} \]
    11. Applied egg-rr42.9%

      \[\leadsto \color{blue}{\frac{1}{t1 + u} \cdot v} \]
    12. Taylor expanded in t1 around 0 42.9%

      \[\leadsto \color{blue}{\frac{v}{u}} \]

    if -5.2000000000000004e202 < u < 4.1999999999999998e218

    1. Initial program 70.3%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*70.8%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out70.8%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in70.8%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*81.8%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac281.8%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified81.8%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 67.3%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/67.3%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-167.3%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified67.3%

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]

    if 4.1999999999999998e218 < u

    1. Initial program 80.4%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*80.9%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out80.9%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in80.9%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*93.9%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac293.9%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified93.9%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 93.9%

      \[\leadsto t1 \cdot \frac{\frac{v}{t1 + u}}{-\color{blue}{u}} \]
    6. Taylor expanded in t1 around inf 35.3%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{u}} \]
    7. Step-by-step derivation
      1. associate-*r/35.3%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{u}} \]
      2. mul-1-neg35.3%

        \[\leadsto \frac{\color{blue}{-v}}{u} \]
    8. Simplified35.3%

      \[\leadsto \color{blue}{\frac{-v}{u}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification62.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -5.2 \cdot 10^{+202}:\\ \;\;\;\;\frac{v}{u}\\ \mathbf{elif}\;u \leq 4.2 \cdot 10^{+218}:\\ \;\;\;\;\frac{v}{-t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-u}\\ \end{array} \]
  5. Add Preprocessing

Alternative 15: 22.9% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t1 \leq -1.45 \cdot 10^{+91} \lor \neg \left(t1 \leq 1.65 \cdot 10^{+134}\right):\\ \;\;\;\;\frac{v}{t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= t1 -1.45e+91) (not (<= t1 1.65e+134))) (/ v t1) (/ v u)))
double code(double u, double v, double t1) {
	double tmp;
	if ((t1 <= -1.45e+91) || !(t1 <= 1.65e+134)) {
		tmp = v / t1;
	} else {
		tmp = v / u;
	}
	return tmp;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    real(8) :: tmp
    if ((t1 <= (-1.45d+91)) .or. (.not. (t1 <= 1.65d+134))) then
        tmp = v / t1
    else
        tmp = v / u
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if ((t1 <= -1.45e+91) || !(t1 <= 1.65e+134)) {
		tmp = v / t1;
	} else {
		tmp = v / u;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (t1 <= -1.45e+91) or not (t1 <= 1.65e+134):
		tmp = v / t1
	else:
		tmp = v / u
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((t1 <= -1.45e+91) || !(t1 <= 1.65e+134))
		tmp = Float64(v / t1);
	else
		tmp = Float64(v / u);
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((t1 <= -1.45e+91) || ~((t1 <= 1.65e+134)))
		tmp = v / t1;
	else
		tmp = v / u;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[t1, -1.45e+91], N[Not[LessEqual[t1, 1.65e+134]], $MachinePrecision]], N[(v / t1), $MachinePrecision], N[(v / u), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t1 \leq -1.45 \cdot 10^{+91} \lor \neg \left(t1 \leq 1.65 \cdot 10^{+134}\right):\\
\;\;\;\;\frac{v}{t1}\\

\mathbf{else}:\\
\;\;\;\;\frac{v}{u}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t1 < -1.45000000000000007e91 or 1.65e134 < t1

    1. Initial program 51.0%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*51.9%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out51.9%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in51.9%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*68.6%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac268.6%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified68.6%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 87.1%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/87.1%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-187.1%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified87.1%

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
    8. Step-by-step derivation
      1. *-un-lft-identity87.1%

        \[\leadsto \color{blue}{1 \cdot \frac{-v}{t1}} \]
      2. *-commutative87.1%

        \[\leadsto \color{blue}{\frac{-v}{t1} \cdot 1} \]
      3. add-sqr-sqrt40.8%

        \[\leadsto \frac{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}}{t1} \cdot 1 \]
      4. sqrt-unprod47.5%

        \[\leadsto \frac{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}}{t1} \cdot 1 \]
      5. sqr-neg47.5%

        \[\leadsto \frac{\sqrt{\color{blue}{v \cdot v}}}{t1} \cdot 1 \]
      6. sqrt-unprod20.0%

        \[\leadsto \frac{\color{blue}{\sqrt{v} \cdot \sqrt{v}}}{t1} \cdot 1 \]
      7. add-sqr-sqrt34.1%

        \[\leadsto \frac{\color{blue}{v}}{t1} \cdot 1 \]
    9. Applied egg-rr34.1%

      \[\leadsto \color{blue}{\frac{v}{t1} \cdot 1} \]
    10. Step-by-step derivation
      1. *-rgt-identity34.1%

        \[\leadsto \color{blue}{\frac{v}{t1}} \]
    11. Simplified34.1%

      \[\leadsto \color{blue}{\frac{v}{t1}} \]

    if -1.45000000000000007e91 < t1 < 1.65e134

    1. Initial program 83.6%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*83.9%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out83.9%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in83.9%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*92.8%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac292.8%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified92.8%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*r/99.8%

        \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
      2. neg-mul-199.8%

        \[\leadsto \frac{t1 \cdot \frac{v}{t1 + u}}{\color{blue}{-1 \cdot \left(t1 + u\right)}} \]
      3. associate-/r*99.8%

        \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
    6. Applied egg-rr99.8%

      \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
    7. Taylor expanded in t1 around inf 49.1%

      \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 + u} \]
    8. Step-by-step derivation
      1. mul-1-neg49.1%

        \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    9. Simplified49.1%

      \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    10. Step-by-step derivation
      1. clear-num49.3%

        \[\leadsto \color{blue}{\frac{1}{\frac{t1 + u}{-v}}} \]
      2. associate-/r/49.0%

        \[\leadsto \color{blue}{\frac{1}{t1 + u} \cdot \left(-v\right)} \]
      3. add-sqr-sqrt27.5%

        \[\leadsto \frac{1}{t1 + u} \cdot \color{blue}{\left(\sqrt{-v} \cdot \sqrt{-v}\right)} \]
      4. sqrt-unprod29.3%

        \[\leadsto \frac{1}{t1 + u} \cdot \color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}} \]
      5. sqr-neg29.3%

        \[\leadsto \frac{1}{t1 + u} \cdot \sqrt{\color{blue}{v \cdot v}} \]
      6. sqrt-unprod7.8%

        \[\leadsto \frac{1}{t1 + u} \cdot \color{blue}{\left(\sqrt{v} \cdot \sqrt{v}\right)} \]
      7. add-sqr-sqrt15.2%

        \[\leadsto \frac{1}{t1 + u} \cdot \color{blue}{v} \]
    11. Applied egg-rr15.2%

      \[\leadsto \color{blue}{\frac{1}{t1 + u} \cdot v} \]
    12. Taylor expanded in t1 around 0 18.2%

      \[\leadsto \color{blue}{\frac{v}{u}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification24.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t1 \leq -1.45 \cdot 10^{+91} \lor \neg \left(t1 \leq 1.65 \cdot 10^{+134}\right):\\ \;\;\;\;\frac{v}{t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u}\\ \end{array} \]
  5. Add Preprocessing

Alternative 16: 98.4% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \frac{v \cdot \frac{t1}{\left(-u\right) - t1}}{t1 + u} \end{array} \]
(FPCore (u v t1) :precision binary64 (/ (* v (/ t1 (- (- u) t1))) (+ t1 u)))
double code(double u, double v, double t1) {
	return (v * (t1 / (-u - t1))) / (t1 + u);
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    code = (v * (t1 / (-u - t1))) / (t1 + u)
end function
public static double code(double u, double v, double t1) {
	return (v * (t1 / (-u - t1))) / (t1 + u);
}
def code(u, v, t1):
	return (v * (t1 / (-u - t1))) / (t1 + u)
function code(u, v, t1)
	return Float64(Float64(v * Float64(t1 / Float64(Float64(-u) - t1))) / Float64(t1 + u))
end
function tmp = code(u, v, t1)
	tmp = (v * (t1 / (-u - t1))) / (t1 + u);
end
code[u_, v_, t1_] := N[(N[(v * N[(t1 / N[((-u) - t1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(t1 + u), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{v \cdot \frac{t1}{\left(-u\right) - t1}}{t1 + u}
\end{array}
Derivation
  1. Initial program 70.8%

    \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
  2. Step-by-step derivation
    1. associate-/l*71.4%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    2. distribute-lft-neg-out71.4%

      \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    3. distribute-rgt-neg-in71.4%

      \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
    4. associate-/r*83.3%

      \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
    5. distribute-neg-frac283.3%

      \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
  3. Simplified83.3%

    \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
  4. Add Preprocessing
  5. Step-by-step derivation
    1. distribute-frac-neg283.3%

      \[\leadsto t1 \cdot \color{blue}{\left(-\frac{\frac{v}{t1 + u}}{t1 + u}\right)} \]
    2. associate-/r*71.4%

      \[\leadsto t1 \cdot \left(-\color{blue}{\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}\right) \]
    3. distribute-rgt-neg-in71.4%

      \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    4. distribute-lft-neg-out71.4%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    5. associate-*r/70.8%

      \[\leadsto \color{blue}{\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    6. times-frac98.8%

      \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
    7. frac-2neg98.8%

      \[\leadsto \frac{-t1}{t1 + u} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
    8. associate-*r/98.8%

      \[\leadsto \color{blue}{\frac{\frac{-t1}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)}} \]
    9. add-sqr-sqrt54.7%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    10. sqrt-unprod48.9%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    11. sqr-neg48.9%

      \[\leadsto \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    12. sqrt-unprod17.4%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    13. add-sqr-sqrt34.8%

      \[\leadsto \frac{\frac{\color{blue}{t1}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    14. add-sqr-sqrt16.8%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}} \]
    15. sqrt-unprod52.0%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
    16. sqr-neg52.0%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}} \]
    17. sqrt-prod44.7%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}} \]
    18. add-sqr-sqrt98.8%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{t1 + u}} \]
  6. Applied egg-rr98.8%

    \[\leadsto \color{blue}{\frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{t1 + u}} \]
  7. Final simplification98.8%

    \[\leadsto \frac{v \cdot \frac{t1}{\left(-u\right) - t1}}{t1 + u} \]
  8. Add Preprocessing

Alternative 17: 98.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \frac{v}{t1 + u} \cdot \frac{t1}{\left(-u\right) - t1} \end{array} \]
(FPCore (u v t1) :precision binary64 (* (/ v (+ t1 u)) (/ t1 (- (- u) t1))))
double code(double u, double v, double t1) {
	return (v / (t1 + u)) * (t1 / (-u - t1));
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    code = (v / (t1 + u)) * (t1 / (-u - t1))
end function
public static double code(double u, double v, double t1) {
	return (v / (t1 + u)) * (t1 / (-u - t1));
}
def code(u, v, t1):
	return (v / (t1 + u)) * (t1 / (-u - t1))
function code(u, v, t1)
	return Float64(Float64(v / Float64(t1 + u)) * Float64(t1 / Float64(Float64(-u) - t1)))
end
function tmp = code(u, v, t1)
	tmp = (v / (t1 + u)) * (t1 / (-u - t1));
end
code[u_, v_, t1_] := N[(N[(v / N[(t1 + u), $MachinePrecision]), $MachinePrecision] * N[(t1 / N[((-u) - t1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{v}{t1 + u} \cdot \frac{t1}{\left(-u\right) - t1}
\end{array}
Derivation
  1. Initial program 70.8%

    \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
  2. Step-by-step derivation
    1. times-frac98.8%

      \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
    2. distribute-frac-neg98.8%

      \[\leadsto \color{blue}{\left(-\frac{t1}{t1 + u}\right)} \cdot \frac{v}{t1 + u} \]
    3. distribute-neg-frac298.8%

      \[\leadsto \color{blue}{\frac{t1}{-\left(t1 + u\right)}} \cdot \frac{v}{t1 + u} \]
    4. +-commutative98.8%

      \[\leadsto \frac{t1}{-\color{blue}{\left(u + t1\right)}} \cdot \frac{v}{t1 + u} \]
    5. distribute-neg-in98.8%

      \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) + \left(-t1\right)}} \cdot \frac{v}{t1 + u} \]
    6. unsub-neg98.8%

      \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) - t1}} \cdot \frac{v}{t1 + u} \]
  3. Simplified98.8%

    \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
  4. Add Preprocessing
  5. Final simplification98.8%

    \[\leadsto \frac{v}{t1 + u} \cdot \frac{t1}{\left(-u\right) - t1} \]
  6. Add Preprocessing

Alternative 18: 62.0% accurate, 2.0× speedup?

\[\begin{array}{l} \\ \frac{v}{\left(-u\right) - t1} \end{array} \]
(FPCore (u v t1) :precision binary64 (/ v (- (- u) t1)))
double code(double u, double v, double t1) {
	return v / (-u - t1);
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    code = v / (-u - t1)
end function
public static double code(double u, double v, double t1) {
	return v / (-u - t1);
}
def code(u, v, t1):
	return v / (-u - t1)
function code(u, v, t1)
	return Float64(v / Float64(Float64(-u) - t1))
end
function tmp = code(u, v, t1)
	tmp = v / (-u - t1);
end
code[u_, v_, t1_] := N[(v / N[((-u) - t1), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{v}{\left(-u\right) - t1}
\end{array}
Derivation
  1. Initial program 70.8%

    \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
  2. Step-by-step derivation
    1. associate-/l*71.4%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    2. distribute-lft-neg-out71.4%

      \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    3. distribute-rgt-neg-in71.4%

      \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
    4. associate-/r*83.3%

      \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
    5. distribute-neg-frac283.3%

      \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
  3. Simplified83.3%

    \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
  4. Add Preprocessing
  5. Step-by-step derivation
    1. associate-*r/99.9%

      \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    2. neg-mul-199.9%

      \[\leadsto \frac{t1 \cdot \frac{v}{t1 + u}}{\color{blue}{-1 \cdot \left(t1 + u\right)}} \]
    3. associate-/r*99.9%

      \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
  6. Applied egg-rr99.9%

    \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
  7. Taylor expanded in t1 around inf 64.4%

    \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 + u} \]
  8. Step-by-step derivation
    1. mul-1-neg64.4%

      \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
  9. Simplified64.4%

    \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
  10. Final simplification64.4%

    \[\leadsto \frac{v}{\left(-u\right) - t1} \]
  11. Add Preprocessing

Alternative 19: 62.0% accurate, 2.4× speedup?

\[\begin{array}{l} \\ \frac{v}{u - t1} \end{array} \]
(FPCore (u v t1) :precision binary64 (/ v (- u t1)))
double code(double u, double v, double t1) {
	return v / (u - t1);
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    code = v / (u - t1)
end function
public static double code(double u, double v, double t1) {
	return v / (u - t1);
}
def code(u, v, t1):
	return v / (u - t1)
function code(u, v, t1)
	return Float64(v / Float64(u - t1))
end
function tmp = code(u, v, t1)
	tmp = v / (u - t1);
end
code[u_, v_, t1_] := N[(v / N[(u - t1), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{v}{u - t1}
\end{array}
Derivation
  1. Initial program 70.8%

    \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
  2. Step-by-step derivation
    1. associate-/l*71.4%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    2. distribute-lft-neg-out71.4%

      \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    3. distribute-rgt-neg-in71.4%

      \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
    4. associate-/r*83.3%

      \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
    5. distribute-neg-frac283.3%

      \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
  3. Simplified83.3%

    \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
  4. Add Preprocessing
  5. Step-by-step derivation
    1. associate-*r/99.9%

      \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    2. neg-mul-199.9%

      \[\leadsto \frac{t1 \cdot \frac{v}{t1 + u}}{\color{blue}{-1 \cdot \left(t1 + u\right)}} \]
    3. associate-/r*99.9%

      \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
  6. Applied egg-rr99.9%

    \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{t1 + u}}{-1}}{t1 + u}} \]
  7. Taylor expanded in t1 around inf 64.4%

    \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 + u} \]
  8. Step-by-step derivation
    1. mul-1-neg64.4%

      \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
  9. Simplified64.4%

    \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
  10. Step-by-step derivation
    1. add-sqr-sqrt37.1%

      \[\leadsto \frac{-v}{t1 + \color{blue}{\sqrt{u} \cdot \sqrt{u}}} \]
    2. sqrt-unprod71.6%

      \[\leadsto \frac{-v}{t1 + \color{blue}{\sqrt{u \cdot u}}} \]
    3. sqr-neg71.6%

      \[\leadsto \frac{-v}{t1 + \sqrt{\color{blue}{\left(-u\right) \cdot \left(-u\right)}}} \]
    4. sqrt-unprod27.7%

      \[\leadsto \frac{-v}{t1 + \color{blue}{\sqrt{-u} \cdot \sqrt{-u}}} \]
    5. add-sqr-sqrt64.8%

      \[\leadsto \frac{-v}{t1 + \color{blue}{\left(-u\right)}} \]
    6. sub-neg64.8%

      \[\leadsto \frac{-v}{\color{blue}{t1 - u}} \]
  11. Applied egg-rr64.8%

    \[\leadsto \frac{-v}{\color{blue}{t1 - u}} \]
  12. Final simplification64.8%

    \[\leadsto \frac{v}{u - t1} \]
  13. Add Preprocessing

Alternative 20: 13.8% accurate, 4.0× speedup?

\[\begin{array}{l} \\ \frac{v}{t1} \end{array} \]
(FPCore (u v t1) :precision binary64 (/ v t1))
double code(double u, double v, double t1) {
	return v / t1;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    code = v / t1
end function
public static double code(double u, double v, double t1) {
	return v / t1;
}
def code(u, v, t1):
	return v / t1
function code(u, v, t1)
	return Float64(v / t1)
end
function tmp = code(u, v, t1)
	tmp = v / t1;
end
code[u_, v_, t1_] := N[(v / t1), $MachinePrecision]
\begin{array}{l}

\\
\frac{v}{t1}
\end{array}
Derivation
  1. Initial program 70.8%

    \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
  2. Step-by-step derivation
    1. associate-/l*71.4%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    2. distribute-lft-neg-out71.4%

      \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    3. distribute-rgt-neg-in71.4%

      \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
    4. associate-/r*83.3%

      \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
    5. distribute-neg-frac283.3%

      \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
  3. Simplified83.3%

    \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
  4. Add Preprocessing
  5. Taylor expanded in t1 around inf 57.8%

    \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
  6. Step-by-step derivation
    1. associate-*r/57.8%

      \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
    2. neg-mul-157.8%

      \[\leadsto \frac{\color{blue}{-v}}{t1} \]
  7. Simplified57.8%

    \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  8. Step-by-step derivation
    1. *-un-lft-identity57.8%

      \[\leadsto \color{blue}{1 \cdot \frac{-v}{t1}} \]
    2. *-commutative57.8%

      \[\leadsto \color{blue}{\frac{-v}{t1} \cdot 1} \]
    3. add-sqr-sqrt29.8%

      \[\leadsto \frac{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}}{t1} \cdot 1 \]
    4. sqrt-unprod34.9%

      \[\leadsto \frac{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}}{t1} \cdot 1 \]
    5. sqr-neg34.9%

      \[\leadsto \frac{\sqrt{\color{blue}{v \cdot v}}}{t1} \cdot 1 \]
    6. sqrt-unprod9.0%

      \[\leadsto \frac{\color{blue}{\sqrt{v} \cdot \sqrt{v}}}{t1} \cdot 1 \]
    7. add-sqr-sqrt15.1%

      \[\leadsto \frac{\color{blue}{v}}{t1} \cdot 1 \]
  9. Applied egg-rr15.1%

    \[\leadsto \color{blue}{\frac{v}{t1} \cdot 1} \]
  10. Step-by-step derivation
    1. *-rgt-identity15.1%

      \[\leadsto \color{blue}{\frac{v}{t1}} \]
  11. Simplified15.1%

    \[\leadsto \color{blue}{\frac{v}{t1}} \]
  12. Add Preprocessing

Reproduce

?
herbie shell --seed 2024150 
(FPCore (u v t1)
  :name "Rosa's DopplerBench"
  :precision binary64
  (/ (* (- t1) v) (* (+ t1 u) (+ t1 u))))