Rosa's DopplerBench

Percentage Accurate: 73.4% → 98.3%
Time: 17.6s
Alternatives: 16
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 16 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: 73.4% 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: 98.3% accurate, 1.0× speedup?

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

\\
\frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{t1 + u}
\end{array}
Derivation
  1. Initial program 71.3%

    \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
  2. Step-by-step derivation
    1. associate-/l*71.3%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    2. distribute-lft-neg-out71.3%

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

      \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
    4. associate-/r*81.3%

      \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
    5. distribute-neg-frac281.3%

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

    \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
  4. Add Preprocessing
  5. Step-by-step derivation
    1. distribute-frac-neg281.3%

      \[\leadsto t1 \cdot \color{blue}{\left(-\frac{\frac{v}{t1 + u}}{t1 + u}\right)} \]
    2. distribute-rgt-neg-out81.3%

      \[\leadsto \color{blue}{-t1 \cdot \frac{\frac{v}{t1 + u}}{t1 + u}} \]
    3. associate-/r*71.3%

      \[\leadsto -t1 \cdot \color{blue}{\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    4. distribute-lft-neg-out71.3%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    5. associate-/l*71.3%

      \[\leadsto \color{blue}{\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    6. times-frac98.1%

      \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
    7. frac-2neg98.1%

      \[\leadsto \frac{-t1}{t1 + u} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
    8. associate-*r/99.4%

      \[\leadsto \color{blue}{\frac{\frac{-t1}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)}} \]
    9. add-sqr-sqrt51.2%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    10. sqrt-unprod49.4%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    11. sqr-neg49.4%

      \[\leadsto \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    12. sqrt-unprod22.6%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    13. add-sqr-sqrt39.5%

      \[\leadsto \frac{\frac{\color{blue}{t1}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    14. add-sqr-sqrt23.9%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}} \]
    15. sqrt-unprod57.5%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
    16. sqr-neg57.5%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}} \]
    17. sqrt-prod39.5%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}} \]
    18. add-sqr-sqrt99.4%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{t1 + u}} \]
  6. Applied egg-rr99.4%

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

Alternative 2: 77.1% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -6 \cdot 10^{-13}:\\ \;\;\;\;\frac{t1 \cdot \frac{v}{u}}{-u}\\ \mathbf{elif}\;u \leq 1.4 \cdot 10^{+63}:\\ \;\;\;\;-\frac{v}{t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{v}{1 - \frac{u}{t1}}}{u}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (<= u -6e-13)
   (/ (* t1 (/ v u)) (- u))
   (if (<= u 1.4e+63) (- (/ v t1)) (/ (/ v (- 1.0 (/ u t1))) u))))
double code(double u, double v, double t1) {
	double tmp;
	if (u <= -6e-13) {
		tmp = (t1 * (v / u)) / -u;
	} else if (u <= 1.4e+63) {
		tmp = -(v / t1);
	} else {
		tmp = (v / (1.0 - (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 <= (-6d-13)) then
        tmp = (t1 * (v / u)) / -u
    else if (u <= 1.4d+63) then
        tmp = -(v / t1)
    else
        tmp = (v / (1.0d0 - (u / t1))) / u
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if (u <= -6e-13) {
		tmp = (t1 * (v / u)) / -u;
	} else if (u <= 1.4e+63) {
		tmp = -(v / t1);
	} else {
		tmp = (v / (1.0 - (u / t1))) / u;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if u <= -6e-13:
		tmp = (t1 * (v / u)) / -u
	elif u <= 1.4e+63:
		tmp = -(v / t1)
	else:
		tmp = (v / (1.0 - (u / t1))) / u
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if (u <= -6e-13)
		tmp = Float64(Float64(t1 * Float64(v / u)) / Float64(-u));
	elseif (u <= 1.4e+63)
		tmp = Float64(-Float64(v / t1));
	else
		tmp = Float64(Float64(v / Float64(1.0 - Float64(u / t1))) / u);
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if (u <= -6e-13)
		tmp = (t1 * (v / u)) / -u;
	elseif (u <= 1.4e+63)
		tmp = -(v / t1);
	else
		tmp = (v / (1.0 - (u / t1))) / u;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[LessEqual[u, -6e-13], N[(N[(t1 * N[(v / u), $MachinePrecision]), $MachinePrecision] / (-u)), $MachinePrecision], If[LessEqual[u, 1.4e+63], (-N[(v / t1), $MachinePrecision]), N[(N[(v / N[(1.0 - N[(u / t1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / u), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -6 \cdot 10^{-13}:\\
\;\;\;\;\frac{t1 \cdot \frac{v}{u}}{-u}\\

\mathbf{elif}\;u \leq 1.4 \cdot 10^{+63}:\\
\;\;\;\;-\frac{v}{t1}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{v}{1 - \frac{u}{t1}}}{u}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if u < -5.99999999999999968e-13

    1. Initial program 77.8%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*77.7%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out77.7%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in77.7%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*86.1%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac286.1%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified86.1%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 81.8%

      \[\leadsto t1 \cdot \frac{\frac{v}{t1 + u}}{-\color{blue}{u}} \]
    6. Taylor expanded in t1 around 0 81.7%

      \[\leadsto t1 \cdot \frac{\frac{v}{\color{blue}{u}}}{-u} \]
    7. Step-by-step derivation
      1. associate-*r/86.2%

        \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{u}}{-u}} \]
      2. clear-num86.1%

        \[\leadsto \frac{t1 \cdot \color{blue}{\frac{1}{\frac{u}{v}}}}{-u} \]
      3. un-div-inv86.1%

        \[\leadsto \frac{\color{blue}{\frac{t1}{\frac{u}{v}}}}{-u} \]
      4. add-sqr-sqrt86.0%

        \[\leadsto \frac{\frac{t1}{\frac{u}{v}}}{\color{blue}{\sqrt{-u} \cdot \sqrt{-u}}} \]
      5. sqrt-unprod75.8%

        \[\leadsto \frac{\frac{t1}{\frac{u}{v}}}{\color{blue}{\sqrt{\left(-u\right) \cdot \left(-u\right)}}} \]
      6. sqr-neg75.8%

        \[\leadsto \frac{\frac{t1}{\frac{u}{v}}}{\sqrt{\color{blue}{u \cdot u}}} \]
      7. sqrt-unprod0.0%

        \[\leadsto \frac{\frac{t1}{\frac{u}{v}}}{\color{blue}{\sqrt{u} \cdot \sqrt{u}}} \]
      8. add-sqr-sqrt62.6%

        \[\leadsto \frac{\frac{t1}{\frac{u}{v}}}{\color{blue}{u}} \]
    8. Applied egg-rr62.6%

      \[\leadsto \color{blue}{\frac{\frac{t1}{\frac{u}{v}}}{u}} \]
    9. Step-by-step derivation
      1. add-sqr-sqrt34.2%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{\frac{u}{v}}}{u} \]
      2. sqrt-unprod67.0%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1 \cdot t1}}}{\frac{u}{v}}}{u} \]
      3. sqr-neg67.0%

        \[\leadsto \frac{\frac{\sqrt{\color{blue}{\left(-t1\right) \cdot \left(-t1\right)}}}{\frac{u}{v}}}{u} \]
      4. sqrt-unprod41.3%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{\frac{u}{v}}}{u} \]
      5. add-sqr-sqrt86.1%

        \[\leadsto \frac{\frac{\color{blue}{-t1}}{\frac{u}{v}}}{u} \]
      6. distribute-neg-frac86.1%

        \[\leadsto \frac{\color{blue}{-\frac{t1}{\frac{u}{v}}}}{u} \]
      7. div-inv86.1%

        \[\leadsto \frac{-\color{blue}{t1 \cdot \frac{1}{\frac{u}{v}}}}{u} \]
      8. clear-num86.2%

        \[\leadsto \frac{-t1 \cdot \color{blue}{\frac{v}{u}}}{u} \]
    10. Applied egg-rr86.2%

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

    if -5.99999999999999968e-13 < u < 1.39999999999999993e63

    1. Initial program 63.9%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*64.4%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out64.4%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in64.4%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*76.2%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac276.2%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified76.2%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 79.9%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/79.9%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-179.9%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified79.9%

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

    if 1.39999999999999993e63 < u

    1. Initial program 81.4%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*80.3%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out80.3%

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

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*87.7%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac287.7%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified87.7%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 82.3%

      \[\leadsto t1 \cdot \frac{\frac{v}{t1 + u}}{-\color{blue}{u}} \]
    6. Step-by-step derivation
      1. associate-*r/86.7%

        \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{t1 + u}}{-u}} \]
      2. associate-*r/81.3%

        \[\leadsto \frac{\color{blue}{\frac{t1 \cdot v}{t1 + u}}}{-u} \]
      3. associate-*l/84.4%

        \[\leadsto \frac{\color{blue}{\frac{t1}{t1 + u} \cdot v}}{-u} \]
      4. remove-double-neg84.4%

        \[\leadsto \frac{\color{blue}{-\left(-\frac{t1}{t1 + u} \cdot v\right)}}{-u} \]
      5. distribute-rgt-neg-out84.4%

        \[\leadsto \frac{-\color{blue}{\frac{t1}{t1 + u} \cdot \left(-v\right)}}{-u} \]
      6. neg-mul-184.4%

        \[\leadsto \frac{-\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{-1 \cdot u}} \]
      7. metadata-eval84.4%

        \[\leadsto \frac{-\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\left(-1\right)} \cdot u} \]
      8. associate-/r*84.4%

        \[\leadsto \color{blue}{\frac{\frac{-\frac{t1}{t1 + u} \cdot \left(-v\right)}{-1}}{u}} \]
    7. Applied egg-rr87.4%

      \[\leadsto \color{blue}{\frac{\frac{t1 \cdot \frac{v}{u - t1}}{-1}}{u}} \]
    8. Step-by-step derivation
      1. metadata-eval87.4%

        \[\leadsto \frac{\frac{t1 \cdot \frac{v}{u - t1}}{\color{blue}{-1}}}{u} \]
      2. distribute-neg-frac287.4%

        \[\leadsto \frac{\color{blue}{-\frac{t1 \cdot \frac{v}{u - t1}}{1}}}{u} \]
      3. /-rgt-identity87.4%

        \[\leadsto \frac{-\color{blue}{t1 \cdot \frac{v}{u - t1}}}{u} \]
      4. *-commutative87.4%

        \[\leadsto \frac{-\color{blue}{\frac{v}{u - t1} \cdot t1}}{u} \]
      5. associate-/r/85.1%

        \[\leadsto \frac{-\color{blue}{\frac{v}{\frac{u - t1}{t1}}}}{u} \]
      6. distribute-neg-frac285.1%

        \[\leadsto \frac{\color{blue}{\frac{v}{-\frac{u - t1}{t1}}}}{u} \]
      7. div-sub85.1%

        \[\leadsto \frac{\frac{v}{-\color{blue}{\left(\frac{u}{t1} - \frac{t1}{t1}\right)}}}{u} \]
      8. *-inverses85.1%

        \[\leadsto \frac{\frac{v}{-\left(\frac{u}{t1} - \color{blue}{1}\right)}}{u} \]
      9. sub-neg85.1%

        \[\leadsto \frac{\frac{v}{-\color{blue}{\left(\frac{u}{t1} + \left(-1\right)\right)}}}{u} \]
      10. metadata-eval85.1%

        \[\leadsto \frac{\frac{v}{-\left(\frac{u}{t1} + \color{blue}{-1}\right)}}{u} \]
      11. distribute-neg-in85.1%

        \[\leadsto \frac{\frac{v}{\color{blue}{\left(-\frac{u}{t1}\right) + \left(--1\right)}}}{u} \]
      12. metadata-eval85.1%

        \[\leadsto \frac{\frac{v}{\left(-\frac{u}{t1}\right) + \color{blue}{1}}}{u} \]
      13. +-commutative85.1%

        \[\leadsto \frac{\frac{v}{\color{blue}{1 + \left(-\frac{u}{t1}\right)}}}{u} \]
      14. unsub-neg85.1%

        \[\leadsto \frac{\frac{v}{\color{blue}{1 - \frac{u}{t1}}}}{u} \]
    9. Simplified85.1%

      \[\leadsto \color{blue}{\frac{\frac{v}{1 - \frac{u}{t1}}}{u}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification82.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -6 \cdot 10^{-13}:\\ \;\;\;\;\frac{t1 \cdot \frac{v}{u}}{-u}\\ \mathbf{elif}\;u \leq 1.4 \cdot 10^{+63}:\\ \;\;\;\;-\frac{v}{t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{v}{1 - \frac{u}{t1}}}{u}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 77.1% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -1.6 \cdot 10^{-13} \lor \neg \left(u \leq 5.8 \cdot 10^{+83}\right):\\ \;\;\;\;\frac{t1 \cdot \frac{v}{u}}{-u}\\ \mathbf{else}:\\ \;\;\;\;-\frac{v}{t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= u -1.6e-13) (not (<= u 5.8e+83)))
   (/ (* t1 (/ v u)) (- u))
   (- (/ v t1))))
double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -1.6e-13) || !(u <= 5.8e+83)) {
		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 <= (-1.6d-13)) .or. (.not. (u <= 5.8d+83))) 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 <= -1.6e-13) || !(u <= 5.8e+83)) {
		tmp = (t1 * (v / u)) / -u;
	} else {
		tmp = -(v / t1);
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (u <= -1.6e-13) or not (u <= 5.8e+83):
		tmp = (t1 * (v / u)) / -u
	else:
		tmp = -(v / t1)
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((u <= -1.6e-13) || !(u <= 5.8e+83))
		tmp = Float64(Float64(t1 * Float64(v / u)) / Float64(-u));
	else
		tmp = Float64(-Float64(v / t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((u <= -1.6e-13) || ~((u <= 5.8e+83)))
		tmp = (t1 * (v / u)) / -u;
	else
		tmp = -(v / t1);
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[u, -1.6e-13], N[Not[LessEqual[u, 5.8e+83]], $MachinePrecision]], N[(N[(t1 * N[(v / u), $MachinePrecision]), $MachinePrecision] / (-u)), $MachinePrecision], (-N[(v / t1), $MachinePrecision])]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -1.6 \cdot 10^{-13} \lor \neg \left(u \leq 5.8 \cdot 10^{+83}\right):\\
\;\;\;\;\frac{t1 \cdot \frac{v}{u}}{-u}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if u < -1.6e-13 or 5.79999999999999999e83 < u

    1. Initial program 78.8%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*78.9%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out78.9%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in78.9%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*86.5%

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

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified86.5%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 82.4%

      \[\leadsto t1 \cdot \frac{\frac{v}{t1 + u}}{-\color{blue}{u}} \]
    6. Taylor expanded in t1 around 0 82.5%

      \[\leadsto t1 \cdot \frac{\frac{v}{\color{blue}{u}}}{-u} \]
    7. Step-by-step derivation
      1. associate-*r/87.5%

        \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{u}}{-u}} \]
      2. clear-num87.5%

        \[\leadsto \frac{t1 \cdot \color{blue}{\frac{1}{\frac{u}{v}}}}{-u} \]
      3. un-div-inv87.5%

        \[\leadsto \frac{\color{blue}{\frac{t1}{\frac{u}{v}}}}{-u} \]
      4. add-sqr-sqrt60.0%

        \[\leadsto \frac{\frac{t1}{\frac{u}{v}}}{\color{blue}{\sqrt{-u} \cdot \sqrt{-u}}} \]
      5. sqrt-unprod73.5%

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

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

        \[\leadsto \frac{\frac{t1}{\frac{u}{v}}}{\color{blue}{\sqrt{u} \cdot \sqrt{u}}} \]
      8. add-sqr-sqrt64.2%

        \[\leadsto \frac{\frac{t1}{\frac{u}{v}}}{\color{blue}{u}} \]
    8. Applied egg-rr64.2%

      \[\leadsto \color{blue}{\frac{\frac{t1}{\frac{u}{v}}}{u}} \]
    9. Step-by-step derivation
      1. add-sqr-sqrt35.0%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{\frac{u}{v}}}{u} \]
      2. sqrt-unprod66.5%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1 \cdot t1}}}{\frac{u}{v}}}{u} \]
      3. sqr-neg66.5%

        \[\leadsto \frac{\frac{\sqrt{\color{blue}{\left(-t1\right) \cdot \left(-t1\right)}}}{\frac{u}{v}}}{u} \]
      4. sqrt-unprod41.1%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{\frac{u}{v}}}{u} \]
      5. add-sqr-sqrt87.5%

        \[\leadsto \frac{\frac{\color{blue}{-t1}}{\frac{u}{v}}}{u} \]
      6. distribute-neg-frac87.5%

        \[\leadsto \frac{\color{blue}{-\frac{t1}{\frac{u}{v}}}}{u} \]
      7. div-inv87.5%

        \[\leadsto \frac{-\color{blue}{t1 \cdot \frac{1}{\frac{u}{v}}}}{u} \]
      8. clear-num87.5%

        \[\leadsto \frac{-t1 \cdot \color{blue}{\frac{v}{u}}}{u} \]
    10. Applied egg-rr87.5%

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

    if -1.6e-13 < u < 5.79999999999999999e83

    1. Initial program 64.7%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*64.8%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out64.8%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in64.8%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*76.7%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac276.7%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified76.7%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 78.7%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/78.7%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-178.7%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified78.7%

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification82.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -1.6 \cdot 10^{-13} \lor \neg \left(u \leq 5.8 \cdot 10^{+83}\right):\\ \;\;\;\;\frac{t1 \cdot \frac{v}{u}}{-u}\\ \mathbf{else}:\\ \;\;\;\;-\frac{v}{t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 76.4% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -5.5 \cdot 10^{-17} \lor \neg \left(u \leq 2.7 \cdot 10^{+84}\right):\\ \;\;\;\;t1 \cdot \frac{\frac{v}{u}}{-u}\\ \mathbf{else}:\\ \;\;\;\;-\frac{v}{t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= u -5.5e-17) (not (<= u 2.7e+84)))
   (* t1 (/ (/ v u) (- u)))
   (- (/ v t1))))
double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -5.5e-17) || !(u <= 2.7e+84)) {
		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 <= (-5.5d-17)) .or. (.not. (u <= 2.7d+84))) 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 <= -5.5e-17) || !(u <= 2.7e+84)) {
		tmp = t1 * ((v / u) / -u);
	} else {
		tmp = -(v / t1);
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (u <= -5.5e-17) or not (u <= 2.7e+84):
		tmp = t1 * ((v / u) / -u)
	else:
		tmp = -(v / t1)
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((u <= -5.5e-17) || !(u <= 2.7e+84))
		tmp = Float64(t1 * Float64(Float64(v / u) / Float64(-u)));
	else
		tmp = Float64(-Float64(v / t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((u <= -5.5e-17) || ~((u <= 2.7e+84)))
		tmp = t1 * ((v / u) / -u);
	else
		tmp = -(v / t1);
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[u, -5.5e-17], N[Not[LessEqual[u, 2.7e+84]], $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 -5.5 \cdot 10^{-17} \lor \neg \left(u \leq 2.7 \cdot 10^{+84}\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 < -5.50000000000000001e-17 or 2.7e84 < u

    1. Initial program 78.8%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*78.9%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out78.9%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in78.9%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*86.5%

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

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified86.5%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 82.4%

      \[\leadsto t1 \cdot \frac{\frac{v}{t1 + u}}{-\color{blue}{u}} \]
    6. Taylor expanded in t1 around 0 82.5%

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

    if -5.50000000000000001e-17 < u < 2.7e84

    1. Initial program 64.7%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*64.8%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out64.8%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in64.8%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*76.7%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac276.7%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified76.7%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 78.7%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/78.7%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-178.7%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified78.7%

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification80.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -5.5 \cdot 10^{-17} \lor \neg \left(u \leq 2.7 \cdot 10^{+84}\right):\\ \;\;\;\;t1 \cdot \frac{\frac{v}{u}}{-u}\\ \mathbf{else}:\\ \;\;\;\;-\frac{v}{t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 77.6% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -2.6 \cdot 10^{-12}:\\ \;\;\;\;\frac{t1 \cdot \frac{v}{u}}{-u}\\ \mathbf{elif}\;u \leq 1.45 \cdot 10^{+64}:\\ \;\;\;\;-\frac{v}{t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{t1}{\frac{u}{v}}}{-u}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (<= u -2.6e-12)
   (/ (* t1 (/ v u)) (- u))
   (if (<= u 1.45e+64) (- (/ v t1)) (/ (/ t1 (/ u v)) (- u)))))
double code(double u, double v, double t1) {
	double tmp;
	if (u <= -2.6e-12) {
		tmp = (t1 * (v / u)) / -u;
	} else if (u <= 1.45e+64) {
		tmp = -(v / t1);
	} else {
		tmp = (t1 / (u / 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 <= (-2.6d-12)) then
        tmp = (t1 * (v / u)) / -u
    else if (u <= 1.45d+64) then
        tmp = -(v / t1)
    else
        tmp = (t1 / (u / v)) / -u
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if (u <= -2.6e-12) {
		tmp = (t1 * (v / u)) / -u;
	} else if (u <= 1.45e+64) {
		tmp = -(v / t1);
	} else {
		tmp = (t1 / (u / v)) / -u;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if u <= -2.6e-12:
		tmp = (t1 * (v / u)) / -u
	elif u <= 1.45e+64:
		tmp = -(v / t1)
	else:
		tmp = (t1 / (u / v)) / -u
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if (u <= -2.6e-12)
		tmp = Float64(Float64(t1 * Float64(v / u)) / Float64(-u));
	elseif (u <= 1.45e+64)
		tmp = Float64(-Float64(v / t1));
	else
		tmp = Float64(Float64(t1 / Float64(u / v)) / Float64(-u));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if (u <= -2.6e-12)
		tmp = (t1 * (v / u)) / -u;
	elseif (u <= 1.45e+64)
		tmp = -(v / t1);
	else
		tmp = (t1 / (u / v)) / -u;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[LessEqual[u, -2.6e-12], N[(N[(t1 * N[(v / u), $MachinePrecision]), $MachinePrecision] / (-u)), $MachinePrecision], If[LessEqual[u, 1.45e+64], (-N[(v / t1), $MachinePrecision]), N[(N[(t1 / N[(u / v), $MachinePrecision]), $MachinePrecision] / (-u)), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -2.6 \cdot 10^{-12}:\\
\;\;\;\;\frac{t1 \cdot \frac{v}{u}}{-u}\\

\mathbf{elif}\;u \leq 1.45 \cdot 10^{+64}:\\
\;\;\;\;-\frac{v}{t1}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if u < -2.59999999999999983e-12

    1. Initial program 77.8%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*77.7%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out77.7%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in77.7%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*86.1%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac286.1%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified86.1%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 81.8%

      \[\leadsto t1 \cdot \frac{\frac{v}{t1 + u}}{-\color{blue}{u}} \]
    6. Taylor expanded in t1 around 0 81.7%

      \[\leadsto t1 \cdot \frac{\frac{v}{\color{blue}{u}}}{-u} \]
    7. Step-by-step derivation
      1. associate-*r/86.2%

        \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{u}}{-u}} \]
      2. clear-num86.1%

        \[\leadsto \frac{t1 \cdot \color{blue}{\frac{1}{\frac{u}{v}}}}{-u} \]
      3. un-div-inv86.1%

        \[\leadsto \frac{\color{blue}{\frac{t1}{\frac{u}{v}}}}{-u} \]
      4. add-sqr-sqrt86.0%

        \[\leadsto \frac{\frac{t1}{\frac{u}{v}}}{\color{blue}{\sqrt{-u} \cdot \sqrt{-u}}} \]
      5. sqrt-unprod75.8%

        \[\leadsto \frac{\frac{t1}{\frac{u}{v}}}{\color{blue}{\sqrt{\left(-u\right) \cdot \left(-u\right)}}} \]
      6. sqr-neg75.8%

        \[\leadsto \frac{\frac{t1}{\frac{u}{v}}}{\sqrt{\color{blue}{u \cdot u}}} \]
      7. sqrt-unprod0.0%

        \[\leadsto \frac{\frac{t1}{\frac{u}{v}}}{\color{blue}{\sqrt{u} \cdot \sqrt{u}}} \]
      8. add-sqr-sqrt62.6%

        \[\leadsto \frac{\frac{t1}{\frac{u}{v}}}{\color{blue}{u}} \]
    8. Applied egg-rr62.6%

      \[\leadsto \color{blue}{\frac{\frac{t1}{\frac{u}{v}}}{u}} \]
    9. Step-by-step derivation
      1. add-sqr-sqrt34.2%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{\frac{u}{v}}}{u} \]
      2. sqrt-unprod67.0%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1 \cdot t1}}}{\frac{u}{v}}}{u} \]
      3. sqr-neg67.0%

        \[\leadsto \frac{\frac{\sqrt{\color{blue}{\left(-t1\right) \cdot \left(-t1\right)}}}{\frac{u}{v}}}{u} \]
      4. sqrt-unprod41.3%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{\frac{u}{v}}}{u} \]
      5. add-sqr-sqrt86.1%

        \[\leadsto \frac{\frac{\color{blue}{-t1}}{\frac{u}{v}}}{u} \]
      6. distribute-neg-frac86.1%

        \[\leadsto \frac{\color{blue}{-\frac{t1}{\frac{u}{v}}}}{u} \]
      7. div-inv86.1%

        \[\leadsto \frac{-\color{blue}{t1 \cdot \frac{1}{\frac{u}{v}}}}{u} \]
      8. clear-num86.2%

        \[\leadsto \frac{-t1 \cdot \color{blue}{\frac{v}{u}}}{u} \]
    10. Applied egg-rr86.2%

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

    if -2.59999999999999983e-12 < u < 1.44999999999999997e64

    1. Initial program 63.9%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*64.4%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out64.4%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in64.4%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*76.2%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac276.2%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified76.2%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 79.9%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/79.9%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-179.9%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified79.9%

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

    if 1.44999999999999997e64 < u

    1. Initial program 81.4%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*80.3%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out80.3%

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

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*87.7%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac287.7%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified87.7%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 82.3%

      \[\leadsto t1 \cdot \frac{\frac{v}{t1 + u}}{-\color{blue}{u}} \]
    6. Taylor expanded in t1 around 0 79.7%

      \[\leadsto t1 \cdot \frac{\frac{v}{\color{blue}{u}}}{-u} \]
    7. Step-by-step derivation
      1. associate-*r/85.0%

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

        \[\leadsto \color{blue}{\frac{-t1 \cdot \frac{v}{u}}{-\left(-u\right)}} \]
      3. clear-num85.0%

        \[\leadsto \frac{-t1 \cdot \color{blue}{\frac{1}{\frac{u}{v}}}}{-\left(-u\right)} \]
      4. un-div-inv85.0%

        \[\leadsto \frac{-\color{blue}{\frac{t1}{\frac{u}{v}}}}{-\left(-u\right)} \]
      5. remove-double-neg85.0%

        \[\leadsto \frac{-\frac{t1}{\frac{u}{v}}}{\color{blue}{u}} \]
    8. Applied egg-rr85.0%

      \[\leadsto \color{blue}{\frac{-\frac{t1}{\frac{u}{v}}}{u}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification82.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -2.6 \cdot 10^{-12}:\\ \;\;\;\;\frac{t1 \cdot \frac{v}{u}}{-u}\\ \mathbf{elif}\;u \leq 1.45 \cdot 10^{+64}:\\ \;\;\;\;-\frac{v}{t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{t1}{\frac{u}{v}}}{-u}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 68.7% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -1.4 \cdot 10^{+99} \lor \neg \left(u \leq 5 \cdot 10^{+84}\right):\\ \;\;\;\;\frac{t1}{u \cdot \frac{u}{v}}\\ \mathbf{else}:\\ \;\;\;\;-\frac{v}{t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= u -1.4e+99) (not (<= u 5e+84)))
   (/ t1 (* u (/ u v)))
   (- (/ v t1))))
double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -1.4e+99) || !(u <= 5e+84)) {
		tmp = t1 / (u * (u / v));
	} 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 <= (-1.4d+99)) .or. (.not. (u <= 5d+84))) then
        tmp = t1 / (u * (u / v))
    else
        tmp = -(v / t1)
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -1.4e+99) || !(u <= 5e+84)) {
		tmp = t1 / (u * (u / v));
	} else {
		tmp = -(v / t1);
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (u <= -1.4e+99) or not (u <= 5e+84):
		tmp = t1 / (u * (u / v))
	else:
		tmp = -(v / t1)
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((u <= -1.4e+99) || !(u <= 5e+84))
		tmp = Float64(t1 / Float64(u * Float64(u / v)));
	else
		tmp = Float64(-Float64(v / t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((u <= -1.4e+99) || ~((u <= 5e+84)))
		tmp = t1 / (u * (u / v));
	else
		tmp = -(v / t1);
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[u, -1.4e+99], N[Not[LessEqual[u, 5e+84]], $MachinePrecision]], N[(t1 / N[(u * N[(u / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], (-N[(v / t1), $MachinePrecision])]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -1.4 \cdot 10^{+99} \lor \neg \left(u \leq 5 \cdot 10^{+84}\right):\\
\;\;\;\;\frac{t1}{u \cdot \frac{u}{v}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if u < -1.4e99 or 5.0000000000000001e84 < u

    1. Initial program 79.9%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*80.3%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out80.3%

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

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      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 86.0%

      \[\leadsto t1 \cdot \frac{\frac{v}{t1 + u}}{-\color{blue}{u}} \]
    6. Taylor expanded in t1 around 0 86.1%

      \[\leadsto t1 \cdot \frac{\frac{v}{\color{blue}{u}}}{-u} \]
    7. Step-by-step derivation
      1. clear-num86.0%

        \[\leadsto t1 \cdot \color{blue}{\frac{1}{\frac{-u}{\frac{v}{u}}}} \]
      2. un-div-inv86.0%

        \[\leadsto \color{blue}{\frac{t1}{\frac{-u}{\frac{v}{u}}}} \]
      3. div-inv86.0%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) \cdot \frac{1}{\frac{v}{u}}}} \]
      4. clear-num86.0%

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

        \[\leadsto \frac{t1}{\color{blue}{\left(\sqrt{-u} \cdot \sqrt{-u}\right)} \cdot \frac{u}{v}} \]
      6. sqrt-unprod75.5%

        \[\leadsto \frac{t1}{\color{blue}{\sqrt{\left(-u\right) \cdot \left(-u\right)}} \cdot \frac{u}{v}} \]
      7. sqr-neg75.5%

        \[\leadsto \frac{t1}{\sqrt{\color{blue}{u \cdot u}} \cdot \frac{u}{v}} \]
      8. sqrt-unprod24.3%

        \[\leadsto \frac{t1}{\color{blue}{\left(\sqrt{u} \cdot \sqrt{u}\right)} \cdot \frac{u}{v}} \]
      9. add-sqr-sqrt71.6%

        \[\leadsto \frac{t1}{\color{blue}{u} \cdot \frac{u}{v}} \]
    8. Applied egg-rr71.6%

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

    if -1.4e99 < u < 5.0000000000000001e84

    1. Initial program 65.7%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*65.5%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out65.5%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in65.5%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*76.7%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac276.7%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified76.7%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 74.4%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/74.4%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-174.4%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified74.4%

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification73.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -1.4 \cdot 10^{+99} \lor \neg \left(u \leq 5 \cdot 10^{+84}\right):\\ \;\;\;\;\frac{t1}{u \cdot \frac{u}{v}}\\ \mathbf{else}:\\ \;\;\;\;-\frac{v}{t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 68.7% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -2.1 \cdot 10^{+99} \lor \neg \left(u \leq 1.36 \cdot 10^{+84}\right):\\ \;\;\;\;t1 \cdot \frac{\frac{v}{u}}{u}\\ \mathbf{else}:\\ \;\;\;\;-\frac{v}{t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= u -2.1e+99) (not (<= u 1.36e+84)))
   (* t1 (/ (/ v u) u))
   (- (/ v t1))))
double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -2.1e+99) || !(u <= 1.36e+84)) {
		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 <= (-2.1d+99)) .or. (.not. (u <= 1.36d+84))) 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 <= -2.1e+99) || !(u <= 1.36e+84)) {
		tmp = t1 * ((v / u) / u);
	} else {
		tmp = -(v / t1);
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (u <= -2.1e+99) or not (u <= 1.36e+84):
		tmp = t1 * ((v / u) / u)
	else:
		tmp = -(v / t1)
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((u <= -2.1e+99) || !(u <= 1.36e+84))
		tmp = Float64(t1 * Float64(Float64(v / u) / u));
	else
		tmp = Float64(-Float64(v / t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((u <= -2.1e+99) || ~((u <= 1.36e+84)))
		tmp = t1 * ((v / u) / u);
	else
		tmp = -(v / t1);
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[u, -2.1e+99], N[Not[LessEqual[u, 1.36e+84]], $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 -2.1 \cdot 10^{+99} \lor \neg \left(u \leq 1.36 \cdot 10^{+84}\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 < -2.1000000000000001e99 or 1.3599999999999999e84 < u

    1. Initial program 79.9%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*80.3%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out80.3%

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

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      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 86.0%

      \[\leadsto t1 \cdot \frac{\frac{v}{t1 + u}}{-\color{blue}{u}} \]
    6. Taylor expanded in t1 around 0 86.1%

      \[\leadsto t1 \cdot \frac{\frac{v}{\color{blue}{u}}}{-u} \]
    7. Step-by-step derivation
      1. associate-*r/92.0%

        \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{u}}{-u}} \]
      2. clear-num92.0%

        \[\leadsto \frac{t1 \cdot \color{blue}{\frac{1}{\frac{u}{v}}}}{-u} \]
      3. un-div-inv91.9%

        \[\leadsto \frac{\color{blue}{\frac{t1}{\frac{u}{v}}}}{-u} \]
      4. add-sqr-sqrt59.6%

        \[\leadsto \frac{\frac{t1}{\frac{u}{v}}}{\color{blue}{\sqrt{-u} \cdot \sqrt{-u}}} \]
      5. sqrt-unprod75.5%

        \[\leadsto \frac{\frac{t1}{\frac{u}{v}}}{\color{blue}{\sqrt{\left(-u\right) \cdot \left(-u\right)}}} \]
      6. sqr-neg75.5%

        \[\leadsto \frac{\frac{t1}{\frac{u}{v}}}{\sqrt{\color{blue}{u \cdot u}}} \]
      7. sqrt-unprod24.2%

        \[\leadsto \frac{\frac{t1}{\frac{u}{v}}}{\color{blue}{\sqrt{u} \cdot \sqrt{u}}} \]
      8. add-sqr-sqrt70.5%

        \[\leadsto \frac{\frac{t1}{\frac{u}{v}}}{\color{blue}{u}} \]
    8. Applied egg-rr70.5%

      \[\leadsto \color{blue}{\frac{\frac{t1}{\frac{u}{v}}}{u}} \]
    9. Step-by-step derivation
      1. div-inv70.5%

        \[\leadsto \frac{\color{blue}{t1 \cdot \frac{1}{\frac{u}{v}}}}{u} \]
      2. clear-num70.5%

        \[\leadsto \frac{t1 \cdot \color{blue}{\frac{v}{u}}}{u} \]
      3. associate-/l*71.6%

        \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{u}}{u}} \]
    10. Applied egg-rr71.6%

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

    if -2.1000000000000001e99 < u < 1.3599999999999999e84

    1. Initial program 65.7%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*65.5%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out65.5%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in65.5%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*76.7%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac276.7%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified76.7%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 74.4%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/74.4%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-174.4%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified74.4%

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification73.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -2.1 \cdot 10^{+99} \lor \neg \left(u \leq 1.36 \cdot 10^{+84}\right):\\ \;\;\;\;t1 \cdot \frac{\frac{v}{u}}{u}\\ \mathbf{else}:\\ \;\;\;\;-\frac{v}{t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 58.4% accurate, 0.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -2.2 \cdot 10^{+99} \lor \neg \left(u \leq 2.1 \cdot 10^{+196}\right):\\ \;\;\;\;\frac{1}{\frac{u}{v}}\\ \mathbf{else}:\\ \;\;\;\;-\frac{v}{t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= u -2.2e+99) (not (<= u 2.1e+196))) (/ 1.0 (/ u v)) (- (/ v t1))))
double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -2.2e+99) || !(u <= 2.1e+196)) {
		tmp = 1.0 / (u / v);
	} 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+99)) .or. (.not. (u <= 2.1d+196))) then
        tmp = 1.0d0 / (u / v)
    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+99) || !(u <= 2.1e+196)) {
		tmp = 1.0 / (u / v);
	} else {
		tmp = -(v / t1);
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (u <= -2.2e+99) or not (u <= 2.1e+196):
		tmp = 1.0 / (u / v)
	else:
		tmp = -(v / t1)
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((u <= -2.2e+99) || !(u <= 2.1e+196))
		tmp = Float64(1.0 / Float64(u / v));
	else
		tmp = Float64(-Float64(v / t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((u <= -2.2e+99) || ~((u <= 2.1e+196)))
		tmp = 1.0 / (u / v);
	else
		tmp = -(v / t1);
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[u, -2.2e+99], N[Not[LessEqual[u, 2.1e+196]], $MachinePrecision]], N[(1.0 / N[(u / v), $MachinePrecision]), $MachinePrecision], (-N[(v / t1), $MachinePrecision])]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -2.2 \cdot 10^{+99} \lor \neg \left(u \leq 2.1 \cdot 10^{+196}\right):\\
\;\;\;\;\frac{1}{\frac{u}{v}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if u < -2.19999999999999978e99 or 2.10000000000000015e196 < u

    1. Initial program 78.4%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*78.9%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out78.9%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in78.9%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*87.0%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac287.0%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified87.0%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 85.8%

      \[\leadsto t1 \cdot \frac{\frac{v}{t1 + u}}{-\color{blue}{u}} \]
    6. Taylor expanded in t1 around inf 43.4%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{u}} \]
    7. Step-by-step derivation
      1. associate-*r/43.4%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{u}} \]
      2. mul-1-neg43.4%

        \[\leadsto \frac{\color{blue}{-v}}{u} \]
    8. Simplified43.4%

      \[\leadsto \color{blue}{\frac{-v}{u}} \]
    9. Step-by-step derivation
      1. add-sqr-sqrt21.9%

        \[\leadsto \frac{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}}{u} \]
      2. sqrt-unprod42.9%

        \[\leadsto \frac{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}}{u} \]
      3. sqr-neg42.9%

        \[\leadsto \frac{\sqrt{\color{blue}{v \cdot v}}}{u} \]
      4. sqrt-unprod21.4%

        \[\leadsto \frac{\color{blue}{\sqrt{v} \cdot \sqrt{v}}}{u} \]
      5. add-sqr-sqrt43.3%

        \[\leadsto \frac{\color{blue}{v}}{u} \]
      6. clear-num45.2%

        \[\leadsto \color{blue}{\frac{1}{\frac{u}{v}}} \]
      7. inv-pow45.2%

        \[\leadsto \color{blue}{{\left(\frac{u}{v}\right)}^{-1}} \]
    10. Applied egg-rr45.2%

      \[\leadsto \color{blue}{{\left(\frac{u}{v}\right)}^{-1}} \]
    11. Step-by-step derivation
      1. unpow-145.2%

        \[\leadsto \color{blue}{\frac{1}{\frac{u}{v}}} \]
    12. Simplified45.2%

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

    if -2.19999999999999978e99 < u < 2.10000000000000015e196

    1. Initial program 67.7%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*67.6%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out67.6%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in67.6%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*78.5%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac278.5%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified78.5%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 68.4%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/68.4%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-168.4%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified68.4%

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification60.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -2.2 \cdot 10^{+99} \lor \neg \left(u \leq 2.1 \cdot 10^{+196}\right):\\ \;\;\;\;\frac{1}{\frac{u}{v}}\\ \mathbf{else}:\\ \;\;\;\;-\frac{v}{t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 58.1% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -2.5 \cdot 10^{+99} \lor \neg \left(u \leq 2.8 \cdot 10^{+196}\right):\\ \;\;\;\;\frac{v}{u}\\ \mathbf{else}:\\ \;\;\;\;-\frac{v}{t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= u -2.5e+99) (not (<= u 2.8e+196))) (/ v u) (- (/ v t1))))
double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -2.5e+99) || !(u <= 2.8e+196)) {
		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 <= (-2.5d+99)) .or. (.not. (u <= 2.8d+196))) 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 <= -2.5e+99) || !(u <= 2.8e+196)) {
		tmp = v / u;
	} else {
		tmp = -(v / t1);
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (u <= -2.5e+99) or not (u <= 2.8e+196):
		tmp = v / u
	else:
		tmp = -(v / t1)
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((u <= -2.5e+99) || !(u <= 2.8e+196))
		tmp = Float64(v / u);
	else
		tmp = Float64(-Float64(v / t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((u <= -2.5e+99) || ~((u <= 2.8e+196)))
		tmp = v / u;
	else
		tmp = -(v / t1);
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[u, -2.5e+99], N[Not[LessEqual[u, 2.8e+196]], $MachinePrecision]], N[(v / u), $MachinePrecision], (-N[(v / t1), $MachinePrecision])]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -2.5 \cdot 10^{+99} \lor \neg \left(u \leq 2.8 \cdot 10^{+196}\right):\\
\;\;\;\;\frac{v}{u}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if u < -2.50000000000000004e99 or 2.8000000000000002e196 < u

    1. Initial program 78.4%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*78.9%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out78.9%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in78.9%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*87.0%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac287.0%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified87.0%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 85.8%

      \[\leadsto t1 \cdot \frac{\frac{v}{t1 + u}}{-\color{blue}{u}} \]
    6. Taylor expanded in t1 around inf 43.4%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{u}} \]
    7. Step-by-step derivation
      1. associate-*r/43.4%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{u}} \]
      2. mul-1-neg43.4%

        \[\leadsto \frac{\color{blue}{-v}}{u} \]
    8. Simplified43.4%

      \[\leadsto \color{blue}{\frac{-v}{u}} \]
    9. Step-by-step derivation
      1. neg-sub043.4%

        \[\leadsto \frac{\color{blue}{0 - v}}{u} \]
      2. sub-neg43.4%

        \[\leadsto \frac{\color{blue}{0 + \left(-v\right)}}{u} \]
      3. add-sqr-sqrt21.9%

        \[\leadsto \frac{0 + \color{blue}{\sqrt{-v} \cdot \sqrt{-v}}}{u} \]
      4. sqrt-unprod42.9%

        \[\leadsto \frac{0 + \color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}}{u} \]
      5. sqr-neg42.9%

        \[\leadsto \frac{0 + \sqrt{\color{blue}{v \cdot v}}}{u} \]
      6. sqrt-unprod21.4%

        \[\leadsto \frac{0 + \color{blue}{\sqrt{v} \cdot \sqrt{v}}}{u} \]
      7. add-sqr-sqrt43.3%

        \[\leadsto \frac{0 + \color{blue}{v}}{u} \]
    10. Applied egg-rr43.3%

      \[\leadsto \frac{\color{blue}{0 + v}}{u} \]
    11. Step-by-step derivation
      1. +-lft-identity43.3%

        \[\leadsto \frac{\color{blue}{v}}{u} \]
    12. Simplified43.3%

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

    if -2.50000000000000004e99 < u < 2.8000000000000002e196

    1. Initial program 67.7%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*67.6%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out67.6%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in67.6%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*78.5%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac278.5%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified78.5%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 68.4%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/68.4%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-168.4%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified68.4%

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification60.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -2.5 \cdot 10^{+99} \lor \neg \left(u \leq 2.8 \cdot 10^{+196}\right):\\ \;\;\;\;\frac{v}{u}\\ \mathbf{else}:\\ \;\;\;\;-\frac{v}{t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 58.2% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -2.5 \cdot 10^{+99}:\\ \;\;\;\;\frac{v}{-u}\\ \mathbf{elif}\;u \leq 2.05 \cdot 10^{+196}:\\ \;\;\;\;-\frac{v}{t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (<= u -2.5e+99) (/ v (- u)) (if (<= u 2.05e+196) (- (/ v t1)) (/ v u))))
double code(double u, double v, double t1) {
	double tmp;
	if (u <= -2.5e+99) {
		tmp = v / -u;
	} else if (u <= 2.05e+196) {
		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 <= (-2.5d+99)) then
        tmp = v / -u
    else if (u <= 2.05d+196) 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 <= -2.5e+99) {
		tmp = v / -u;
	} else if (u <= 2.05e+196) {
		tmp = -(v / t1);
	} else {
		tmp = v / u;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if u <= -2.5e+99:
		tmp = v / -u
	elif u <= 2.05e+196:
		tmp = -(v / t1)
	else:
		tmp = v / u
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if (u <= -2.5e+99)
		tmp = Float64(v / Float64(-u));
	elseif (u <= 2.05e+196)
		tmp = Float64(-Float64(v / t1));
	else
		tmp = Float64(v / u);
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if (u <= -2.5e+99)
		tmp = v / -u;
	elseif (u <= 2.05e+196)
		tmp = -(v / t1);
	else
		tmp = v / u;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[LessEqual[u, -2.5e+99], N[(v / (-u)), $MachinePrecision], If[LessEqual[u, 2.05e+196], (-N[(v / t1), $MachinePrecision]), N[(v / u), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -2.5 \cdot 10^{+99}:\\
\;\;\;\;\frac{v}{-u}\\

\mathbf{elif}\;u \leq 2.05 \cdot 10^{+196}:\\
\;\;\;\;-\frac{v}{t1}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if u < -2.50000000000000004e99

    1. Initial program 79.2%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*79.6%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out79.6%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in79.6%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*88.8%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac288.8%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified88.8%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 87.2%

      \[\leadsto t1 \cdot \frac{\frac{v}{t1 + u}}{-\color{blue}{u}} \]
    6. Taylor expanded in t1 around inf 41.7%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{u}} \]
    7. Step-by-step derivation
      1. associate-*r/41.7%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{u}} \]
      2. mul-1-neg41.7%

        \[\leadsto \frac{\color{blue}{-v}}{u} \]
    8. Simplified41.7%

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

    if -2.50000000000000004e99 < u < 2.0499999999999998e196

    1. Initial program 67.7%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*67.6%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out67.6%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in67.6%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*78.5%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac278.5%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified78.5%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 68.4%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/68.4%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-168.4%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified68.4%

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

    if 2.0499999999999998e196 < u

    1. Initial program 75.8%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*76.6%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out76.6%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in76.6%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*81.2%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac281.2%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified81.2%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 81.2%

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

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{u}} \]
    7. Step-by-step derivation
      1. associate-*r/49.1%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{u}} \]
      2. mul-1-neg49.1%

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

      \[\leadsto \color{blue}{\frac{-v}{u}} \]
    9. Step-by-step derivation
      1. neg-sub049.1%

        \[\leadsto \frac{\color{blue}{0 - v}}{u} \]
      2. sub-neg49.1%

        \[\leadsto \frac{\color{blue}{0 + \left(-v\right)}}{u} \]
      3. add-sqr-sqrt38.2%

        \[\leadsto \frac{0 + \color{blue}{\sqrt{-v} \cdot \sqrt{-v}}}{u} \]
      4. sqrt-unprod48.8%

        \[\leadsto \frac{0 + \color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}}{u} \]
      5. sqr-neg48.8%

        \[\leadsto \frac{0 + \sqrt{\color{blue}{v \cdot v}}}{u} \]
      6. sqrt-unprod11.2%

        \[\leadsto \frac{0 + \color{blue}{\sqrt{v} \cdot \sqrt{v}}}{u} \]
      7. add-sqr-sqrt50.0%

        \[\leadsto \frac{0 + \color{blue}{v}}{u} \]
    10. Applied egg-rr50.0%

      \[\leadsto \frac{\color{blue}{0 + v}}{u} \]
    11. Step-by-step derivation
      1. +-lft-identity50.0%

        \[\leadsto \frac{\color{blue}{v}}{u} \]
    12. Simplified50.0%

      \[\leadsto \frac{\color{blue}{v}}{u} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification60.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -2.5 \cdot 10^{+99}:\\ \;\;\;\;\frac{v}{-u}\\ \mathbf{elif}\;u \leq 2.05 \cdot 10^{+196}:\\ \;\;\;\;-\frac{v}{t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u}\\ \end{array} \]
  5. Add Preprocessing

Alternative 11: 23.5% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t1 \leq -4.3 \cdot 10^{+82} \lor \neg \left(t1 \leq 1.05 \cdot 10^{+141}\right):\\ \;\;\;\;\frac{v}{t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= t1 -4.3e+82) (not (<= t1 1.05e+141))) (/ v t1) (/ v u)))
double code(double u, double v, double t1) {
	double tmp;
	if ((t1 <= -4.3e+82) || !(t1 <= 1.05e+141)) {
		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 <= (-4.3d+82)) .or. (.not. (t1 <= 1.05d+141))) 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 <= -4.3e+82) || !(t1 <= 1.05e+141)) {
		tmp = v / t1;
	} else {
		tmp = v / u;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (t1 <= -4.3e+82) or not (t1 <= 1.05e+141):
		tmp = v / t1
	else:
		tmp = v / u
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((t1 <= -4.3e+82) || !(t1 <= 1.05e+141))
		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 <= -4.3e+82) || ~((t1 <= 1.05e+141)))
		tmp = v / t1;
	else
		tmp = v / u;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[t1, -4.3e+82], N[Not[LessEqual[t1, 1.05e+141]], $MachinePrecision]], N[(v / t1), $MachinePrecision], N[(v / u), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t1 \leq -4.3 \cdot 10^{+82} \lor \neg \left(t1 \leq 1.05 \cdot 10^{+141}\right):\\
\;\;\;\;\frac{v}{t1}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t1 < -4.30000000000000015e82 or 1.0499999999999999e141 < t1

    1. Initial program 47.7%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. times-frac99.9%

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

        \[\leadsto \color{blue}{\left(-\frac{t1}{t1 + u}\right)} \cdot \frac{v}{t1 + u} \]
      3. distribute-neg-frac299.9%

        \[\leadsto \color{blue}{\frac{t1}{-\left(t1 + u\right)}} \cdot \frac{v}{t1 + u} \]
      4. +-commutative99.9%

        \[\leadsto \frac{t1}{-\color{blue}{\left(u + t1\right)}} \cdot \frac{v}{t1 + u} \]
      5. distribute-neg-in99.9%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) + \left(-t1\right)}} \cdot \frac{v}{t1 + u} \]
      6. unsub-neg99.9%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) - t1}} \cdot \frac{v}{t1 + u} \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 85.9%

      \[\leadsto \color{blue}{\left(\frac{u}{t1} - 1\right)} \cdot \frac{v}{t1 + u} \]
    6. Taylor expanded in u around inf 33.4%

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

    if -4.30000000000000015e82 < t1 < 1.0499999999999999e141

    1. Initial program 81.6%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*80.4%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out80.4%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in80.4%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*86.9%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac286.9%

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

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 61.5%

      \[\leadsto t1 \cdot \frac{\frac{v}{t1 + u}}{-\color{blue}{u}} \]
    6. Taylor expanded in t1 around inf 20.2%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{u}} \]
    7. Step-by-step derivation
      1. associate-*r/20.2%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{u}} \]
      2. mul-1-neg20.2%

        \[\leadsto \frac{\color{blue}{-v}}{u} \]
    8. Simplified20.2%

      \[\leadsto \color{blue}{\frac{-v}{u}} \]
    9. Step-by-step derivation
      1. neg-sub020.2%

        \[\leadsto \frac{\color{blue}{0 - v}}{u} \]
      2. sub-neg20.2%

        \[\leadsto \frac{\color{blue}{0 + \left(-v\right)}}{u} \]
      3. add-sqr-sqrt9.4%

        \[\leadsto \frac{0 + \color{blue}{\sqrt{-v} \cdot \sqrt{-v}}}{u} \]
      4. sqrt-unprod24.8%

        \[\leadsto \frac{0 + \color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}}{u} \]
      5. sqr-neg24.8%

        \[\leadsto \frac{0 + \sqrt{\color{blue}{v \cdot v}}}{u} \]
      6. sqrt-unprod11.3%

        \[\leadsto \frac{0 + \color{blue}{\sqrt{v} \cdot \sqrt{v}}}{u} \]
      7. add-sqr-sqrt21.4%

        \[\leadsto \frac{0 + \color{blue}{v}}{u} \]
    10. Applied egg-rr21.4%

      \[\leadsto \frac{\color{blue}{0 + v}}{u} \]
    11. Step-by-step derivation
      1. +-lft-identity21.4%

        \[\leadsto \frac{\color{blue}{v}}{u} \]
    12. Simplified21.4%

      \[\leadsto \frac{\color{blue}{v}}{u} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification25.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t1 \leq -4.3 \cdot 10^{+82} \lor \neg \left(t1 \leq 1.05 \cdot 10^{+141}\right):\\ \;\;\;\;\frac{v}{t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u}\\ \end{array} \]
  5. Add Preprocessing

Alternative 12: 98.3% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \frac{\left(-t1\right) \cdot \frac{v}{t1 + u}}{t1 + u} \end{array} \]
(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) * Float64(v / 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) * N[(v / N[(t1 + u), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(t1 + u), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\left(-t1\right) \cdot \frac{v}{t1 + u}}{t1 + u}
\end{array}
Derivation
  1. Initial program 71.3%

    \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
  2. Step-by-step derivation
    1. associate-/l*71.3%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    2. distribute-lft-neg-out71.3%

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

      \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
    4. associate-/r*81.3%

      \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
    5. distribute-neg-frac281.3%

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

    \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
  4. Add Preprocessing
  5. Step-by-step derivation
    1. distribute-frac-neg281.3%

      \[\leadsto t1 \cdot \color{blue}{\left(-\frac{\frac{v}{t1 + u}}{t1 + u}\right)} \]
    2. distribute-rgt-neg-out81.3%

      \[\leadsto \color{blue}{-t1 \cdot \frac{\frac{v}{t1 + u}}{t1 + u}} \]
    3. associate-/r*71.3%

      \[\leadsto -t1 \cdot \color{blue}{\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    4. distribute-lft-neg-out71.3%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    5. associate-/l*71.3%

      \[\leadsto \color{blue}{\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    6. times-frac98.1%

      \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
    7. frac-2neg98.1%

      \[\leadsto \frac{-t1}{t1 + u} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
    8. associate-*r/99.4%

      \[\leadsto \color{blue}{\frac{\frac{-t1}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)}} \]
    9. add-sqr-sqrt51.2%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    10. sqrt-unprod49.4%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    11. sqr-neg49.4%

      \[\leadsto \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    12. sqrt-unprod22.6%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    13. add-sqr-sqrt39.5%

      \[\leadsto \frac{\frac{\color{blue}{t1}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    14. add-sqr-sqrt23.9%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}} \]
    15. sqrt-unprod57.5%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
    16. sqr-neg57.5%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}} \]
    17. sqrt-prod39.5%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}} \]
    18. add-sqr-sqrt99.4%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{t1 + u}} \]
  6. Applied egg-rr99.4%

    \[\leadsto \color{blue}{\frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{t1 + u}} \]
  7. Taylor expanded in v around 0 83.9%

    \[\leadsto \frac{\color{blue}{-1 \cdot \frac{t1 \cdot v}{t1 + u}}}{t1 + u} \]
  8. Step-by-step derivation
    1. mul-1-neg83.9%

      \[\leadsto \frac{\color{blue}{-\frac{t1 \cdot v}{t1 + u}}}{t1 + u} \]
    2. associate-/l*98.3%

      \[\leadsto \frac{-\color{blue}{t1 \cdot \frac{v}{t1 + u}}}{t1 + u} \]
    3. distribute-lft-neg-in98.3%

      \[\leadsto \frac{\color{blue}{\left(-t1\right) \cdot \frac{v}{t1 + u}}}{t1 + u} \]
  9. Simplified98.3%

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

Alternative 13: 98.1% accurate, 1.0× speedup?

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

\\
\frac{t1}{t1 + u} \cdot \frac{v}{\left(-t1\right) - u}
\end{array}
Derivation
  1. Initial program 71.3%

    \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
  2. Step-by-step derivation
    1. associate-/l*71.3%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    2. distribute-lft-neg-out71.3%

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

      \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
    4. associate-/r*81.3%

      \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
    5. distribute-neg-frac281.3%

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

    \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
  4. Add Preprocessing
  5. Step-by-step derivation
    1. distribute-frac-neg281.3%

      \[\leadsto t1 \cdot \color{blue}{\left(-\frac{\frac{v}{t1 + u}}{t1 + u}\right)} \]
    2. distribute-rgt-neg-out81.3%

      \[\leadsto \color{blue}{-t1 \cdot \frac{\frac{v}{t1 + u}}{t1 + u}} \]
    3. associate-/r*71.3%

      \[\leadsto -t1 \cdot \color{blue}{\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    4. distribute-lft-neg-out71.3%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    5. associate-/l*71.3%

      \[\leadsto \color{blue}{\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    6. times-frac98.1%

      \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
    7. frac-2neg98.1%

      \[\leadsto \frac{-t1}{t1 + u} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
    8. associate-*r/99.4%

      \[\leadsto \color{blue}{\frac{\frac{-t1}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)}} \]
    9. add-sqr-sqrt51.2%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    10. sqrt-unprod49.4%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    11. sqr-neg49.4%

      \[\leadsto \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    12. sqrt-unprod22.6%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    13. add-sqr-sqrt39.5%

      \[\leadsto \frac{\frac{\color{blue}{t1}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    14. add-sqr-sqrt23.9%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}} \]
    15. sqrt-unprod57.5%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
    16. sqr-neg57.5%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}} \]
    17. sqrt-prod39.5%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}} \]
    18. add-sqr-sqrt99.4%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{t1 + u}} \]
  6. Applied egg-rr99.4%

    \[\leadsto \color{blue}{\frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{t1 + u}} \]
  7. Taylor expanded in v around 0 83.9%

    \[\leadsto \frac{\color{blue}{-1 \cdot \frac{t1 \cdot v}{t1 + u}}}{t1 + u} \]
  8. Step-by-step derivation
    1. mul-1-neg83.9%

      \[\leadsto \frac{\color{blue}{-\frac{t1 \cdot v}{t1 + u}}}{t1 + u} \]
    2. associate-/l*98.3%

      \[\leadsto \frac{-\color{blue}{t1 \cdot \frac{v}{t1 + u}}}{t1 + u} \]
    3. distribute-lft-neg-in98.3%

      \[\leadsto \frac{\color{blue}{\left(-t1\right) \cdot \frac{v}{t1 + u}}}{t1 + u} \]
  9. Simplified98.3%

    \[\leadsto \frac{\color{blue}{\left(-t1\right) \cdot \frac{v}{t1 + u}}}{t1 + u} \]
  10. Step-by-step derivation
    1. clear-num97.9%

      \[\leadsto \frac{\left(-t1\right) \cdot \color{blue}{\frac{1}{\frac{t1 + u}{v}}}}{t1 + u} \]
    2. inv-pow97.9%

      \[\leadsto \frac{\left(-t1\right) \cdot \color{blue}{{\left(\frac{t1 + u}{v}\right)}^{-1}}}{t1 + u} \]
  11. Applied egg-rr97.9%

    \[\leadsto \frac{\left(-t1\right) \cdot \color{blue}{{\left(\frac{t1 + u}{v}\right)}^{-1}}}{t1 + u} \]
  12. Step-by-step derivation
    1. unpow-197.9%

      \[\leadsto \frac{\left(-t1\right) \cdot \color{blue}{\frac{1}{\frac{t1 + u}{v}}}}{t1 + u} \]
  13. Simplified97.9%

    \[\leadsto \frac{\left(-t1\right) \cdot \color{blue}{\frac{1}{\frac{t1 + u}{v}}}}{t1 + u} \]
  14. Step-by-step derivation
    1. associate-/l*81.2%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{\frac{1}{\frac{t1 + u}{v}}}{t1 + u}} \]
    2. distribute-lft-neg-out81.2%

      \[\leadsto \color{blue}{-t1 \cdot \frac{\frac{1}{\frac{t1 + u}{v}}}{t1 + u}} \]
    3. add-sqr-sqrt42.3%

      \[\leadsto -\color{blue}{\left(\sqrt{t1} \cdot \sqrt{t1}\right)} \cdot \frac{\frac{1}{\frac{t1 + u}{v}}}{t1 + u} \]
    4. sqrt-unprod44.9%

      \[\leadsto -\color{blue}{\sqrt{t1 \cdot t1}} \cdot \frac{\frac{1}{\frac{t1 + u}{v}}}{t1 + u} \]
    5. sqr-neg44.9%

      \[\leadsto -\sqrt{\color{blue}{\left(-t1\right) \cdot \left(-t1\right)}} \cdot \frac{\frac{1}{\frac{t1 + u}{v}}}{t1 + u} \]
    6. sqrt-unprod17.0%

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

      \[\leadsto -\color{blue}{\left(-t1\right)} \cdot \frac{\frac{1}{\frac{t1 + u}{v}}}{t1 + u} \]
    8. associate-/l*39.5%

      \[\leadsto -\color{blue}{\frac{\left(-t1\right) \cdot \frac{1}{\frac{t1 + u}{v}}}{t1 + u}} \]
    9. *-commutative39.5%

      \[\leadsto -\frac{\color{blue}{\frac{1}{\frac{t1 + u}{v}} \cdot \left(-t1\right)}}{t1 + u} \]
    10. associate-/l*39.5%

      \[\leadsto -\color{blue}{\frac{1}{\frac{t1 + u}{v}} \cdot \frac{-t1}{t1 + u}} \]
    11. clear-num39.5%

      \[\leadsto -\color{blue}{\frac{v}{t1 + u}} \cdot \frac{-t1}{t1 + u} \]
    12. add-sqr-sqrt16.9%

      \[\leadsto -\frac{v}{t1 + u} \cdot \frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{t1 + u} \]
    13. sqrt-unprod47.0%

      \[\leadsto -\frac{v}{t1 + u} \cdot \frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{t1 + u} \]
    14. sqr-neg47.0%

      \[\leadsto -\frac{v}{t1 + u} \cdot \frac{\sqrt{\color{blue}{t1 \cdot t1}}}{t1 + u} \]
    15. sqrt-unprod47.9%

      \[\leadsto -\frac{v}{t1 + u} \cdot \frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{t1 + u} \]
    16. add-sqr-sqrt98.1%

      \[\leadsto -\frac{v}{t1 + u} \cdot \frac{\color{blue}{t1}}{t1 + u} \]
  15. Applied egg-rr98.1%

    \[\leadsto \color{blue}{-\frac{v}{t1 + u} \cdot \frac{t1}{t1 + u}} \]
  16. Final simplification98.1%

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

Alternative 14: 61.4% accurate, 2.0× speedup?

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

\\
\frac{v}{\left(-t1\right) - u}
\end{array}
Derivation
  1. Initial program 71.3%

    \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
  2. Step-by-step derivation
    1. associate-/l*71.3%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    2. distribute-lft-neg-out71.3%

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

      \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
    4. associate-/r*81.3%

      \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
    5. distribute-neg-frac281.3%

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

    \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
  4. Add Preprocessing
  5. Step-by-step derivation
    1. distribute-frac-neg281.3%

      \[\leadsto t1 \cdot \color{blue}{\left(-\frac{\frac{v}{t1 + u}}{t1 + u}\right)} \]
    2. distribute-rgt-neg-out81.3%

      \[\leadsto \color{blue}{-t1 \cdot \frac{\frac{v}{t1 + u}}{t1 + u}} \]
    3. associate-/r*71.3%

      \[\leadsto -t1 \cdot \color{blue}{\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    4. distribute-lft-neg-out71.3%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    5. associate-/l*71.3%

      \[\leadsto \color{blue}{\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    6. times-frac98.1%

      \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
    7. frac-2neg98.1%

      \[\leadsto \frac{-t1}{t1 + u} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
    8. associate-*r/99.4%

      \[\leadsto \color{blue}{\frac{\frac{-t1}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)}} \]
    9. add-sqr-sqrt51.2%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    10. sqrt-unprod49.4%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    11. sqr-neg49.4%

      \[\leadsto \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    12. sqrt-unprod22.6%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    13. add-sqr-sqrt39.5%

      \[\leadsto \frac{\frac{\color{blue}{t1}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    14. add-sqr-sqrt23.9%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}} \]
    15. sqrt-unprod57.5%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
    16. sqr-neg57.5%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}} \]
    17. sqrt-prod39.5%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}} \]
    18. add-sqr-sqrt99.4%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{t1 + u}} \]
  6. Applied egg-rr99.4%

    \[\leadsto \color{blue}{\frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{t1 + u}} \]
  7. Taylor expanded in t1 around inf 61.5%

    \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 + u} \]
  8. Step-by-step derivation
    1. mul-1-neg61.5%

      \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
  9. Simplified61.5%

    \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
  10. Final simplification61.5%

    \[\leadsto \frac{v}{\left(-t1\right) - u} \]
  11. Add Preprocessing

Alternative 15: 61.5% 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 71.3%

    \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
  2. Step-by-step derivation
    1. associate-/l*71.3%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    2. distribute-lft-neg-out71.3%

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

      \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
    4. associate-/r*81.3%

      \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
    5. distribute-neg-frac281.3%

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

    \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
  4. Add Preprocessing
  5. Step-by-step derivation
    1. distribute-frac-neg281.3%

      \[\leadsto t1 \cdot \color{blue}{\left(-\frac{\frac{v}{t1 + u}}{t1 + u}\right)} \]
    2. distribute-rgt-neg-out81.3%

      \[\leadsto \color{blue}{-t1 \cdot \frac{\frac{v}{t1 + u}}{t1 + u}} \]
    3. associate-/r*71.3%

      \[\leadsto -t1 \cdot \color{blue}{\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    4. distribute-lft-neg-out71.3%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    5. associate-/l*71.3%

      \[\leadsto \color{blue}{\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    6. times-frac98.1%

      \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
    7. frac-2neg98.1%

      \[\leadsto \frac{-t1}{t1 + u} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
    8. associate-*r/99.4%

      \[\leadsto \color{blue}{\frac{\frac{-t1}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)}} \]
    9. add-sqr-sqrt51.2%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    10. sqrt-unprod49.4%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    11. sqr-neg49.4%

      \[\leadsto \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    12. sqrt-unprod22.6%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    13. add-sqr-sqrt39.5%

      \[\leadsto \frac{\frac{\color{blue}{t1}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    14. add-sqr-sqrt23.9%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}} \]
    15. sqrt-unprod57.5%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
    16. sqr-neg57.5%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}} \]
    17. sqrt-prod39.5%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}} \]
    18. add-sqr-sqrt99.4%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{t1 + u}} \]
  6. Applied egg-rr99.4%

    \[\leadsto \color{blue}{\frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{t1 + u}} \]
  7. Taylor expanded in t1 around inf 61.5%

    \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 + u} \]
  8. Step-by-step derivation
    1. mul-1-neg61.5%

      \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
  9. Simplified61.5%

    \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
  10. Step-by-step derivation
    1. add-sqr-sqrt29.2%

      \[\leadsto \frac{-v}{t1 + \color{blue}{\sqrt{u} \cdot \sqrt{u}}} \]
    2. sqrt-unprod70.1%

      \[\leadsto \frac{-v}{t1 + \color{blue}{\sqrt{u \cdot u}}} \]
    3. sqr-neg70.1%

      \[\leadsto \frac{-v}{t1 + \sqrt{\color{blue}{\left(-u\right) \cdot \left(-u\right)}}} \]
    4. sqrt-unprod32.6%

      \[\leadsto \frac{-v}{t1 + \color{blue}{\sqrt{-u} \cdot \sqrt{-u}}} \]
    5. add-sqr-sqrt61.6%

      \[\leadsto \frac{-v}{t1 + \color{blue}{\left(-u\right)}} \]
    6. sub-neg61.6%

      \[\leadsto \frac{-v}{\color{blue}{t1 - u}} \]
  11. Applied egg-rr61.6%

    \[\leadsto \frac{-v}{\color{blue}{t1 - u}} \]
  12. Final simplification61.6%

    \[\leadsto \frac{v}{u - t1} \]
  13. Add Preprocessing

Alternative 16: 14.1% 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 71.3%

    \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
  2. Step-by-step derivation
    1. times-frac98.1%

      \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
    2. distribute-frac-neg98.1%

      \[\leadsto \color{blue}{\left(-\frac{t1}{t1 + u}\right)} \cdot \frac{v}{t1 + u} \]
    3. distribute-neg-frac298.1%

      \[\leadsto \color{blue}{\frac{t1}{-\left(t1 + u\right)}} \cdot \frac{v}{t1 + u} \]
    4. +-commutative98.1%

      \[\leadsto \frac{t1}{-\color{blue}{\left(u + t1\right)}} \cdot \frac{v}{t1 + u} \]
    5. distribute-neg-in98.1%

      \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) + \left(-t1\right)}} \cdot \frac{v}{t1 + u} \]
    6. unsub-neg98.1%

      \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) - t1}} \cdot \frac{v}{t1 + u} \]
  3. Simplified98.1%

    \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
  4. Add Preprocessing
  5. Taylor expanded in t1 around inf 54.5%

    \[\leadsto \color{blue}{\left(\frac{u}{t1} - 1\right)} \cdot \frac{v}{t1 + u} \]
  6. Taylor expanded in u around inf 13.0%

    \[\leadsto \color{blue}{\frac{v}{t1}} \]
  7. Add Preprocessing

Reproduce

?
herbie shell --seed 2024131 
(FPCore (u v t1)
  :name "Rosa's DopplerBench"
  :precision binary64
  (/ (* (- t1) v) (* (+ t1 u) (+ t1 u))))