Rosa's DopplerBench

Percentage Accurate: 72.9% → 98.1%
Time: 10.8s
Alternatives: 18
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 18 alternatives:

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

Initial Program: 72.9% accurate, 1.0× speedup?

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

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

Alternative 1: 98.1% accurate, 1.0× speedup?

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

\\
\frac{v \cdot \frac{t1}{\left(-u\right) - t1}}{t1 + u}
\end{array}
Derivation
  1. Initial program 78.0%

    \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
  2. Step-by-step derivation
    1. associate-/l*76.3%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    2. distribute-lft-neg-out76.3%

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

      \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
    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. Step-by-step derivation
    1. distribute-frac-neg286.9%

      \[\leadsto t1 \cdot \color{blue}{\left(-\frac{\frac{v}{t1 + u}}{t1 + u}\right)} \]
    2. distribute-rgt-neg-out86.9%

      \[\leadsto \color{blue}{-t1 \cdot \frac{\frac{v}{t1 + u}}{t1 + u}} \]
    3. associate-/r*76.3%

      \[\leadsto -t1 \cdot \color{blue}{\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    4. distribute-lft-neg-out76.3%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    5. associate-/l*78.0%

      \[\leadsto \color{blue}{\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    6. times-frac97.7%

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

      \[\leadsto \frac{-t1}{t1 + u} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
    8. associate-*r/98.0%

      \[\leadsto \color{blue}{\frac{\frac{-t1}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)}} \]
    9. add-sqr-sqrt49.1%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    10. sqrt-unprod42.6%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    11. sqr-neg42.6%

      \[\leadsto \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    12. sqrt-unprod19.2%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    13. add-sqr-sqrt38.4%

      \[\leadsto \frac{\frac{\color{blue}{t1}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    14. add-sqr-sqrt18.0%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}} \]
    15. sqrt-unprod60.6%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
    16. sqr-neg60.6%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}} \]
    17. sqrt-prod50.2%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}} \]
    18. add-sqr-sqrt98.0%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{t1 + u}} \]
  6. Applied egg-rr98.0%

    \[\leadsto \color{blue}{\frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{t1 + u}} \]
  7. Final simplification98.0%

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

Alternative 2: 90.8% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t1 \leq -3.8 \cdot 10^{+151}:\\ \;\;\;\;\frac{v}{u - t1}\\ \mathbf{elif}\;t1 \leq 1.82 \cdot 10^{+117}:\\ \;\;\;\;t1 \cdot \frac{\frac{v}{t1 + u}}{\left(-u\right) - t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u \cdot \left(-2\right) - t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (<= t1 -3.8e+151)
   (/ v (- u t1))
   (if (<= t1 1.82e+117)
     (* t1 (/ (/ v (+ t1 u)) (- (- u) t1)))
     (/ v (- (* u (- 2.0)) t1)))))
double code(double u, double v, double t1) {
	double tmp;
	if (t1 <= -3.8e+151) {
		tmp = v / (u - t1);
	} else if (t1 <= 1.82e+117) {
		tmp = t1 * ((v / (t1 + u)) / (-u - t1));
	} else {
		tmp = v / ((u * -2.0) - 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 (t1 <= (-3.8d+151)) then
        tmp = v / (u - t1)
    else if (t1 <= 1.82d+117) then
        tmp = t1 * ((v / (t1 + u)) / (-u - t1))
    else
        tmp = v / ((u * -2.0d0) - t1)
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if (t1 <= -3.8e+151) {
		tmp = v / (u - t1);
	} else if (t1 <= 1.82e+117) {
		tmp = t1 * ((v / (t1 + u)) / (-u - t1));
	} else {
		tmp = v / ((u * -2.0) - t1);
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if t1 <= -3.8e+151:
		tmp = v / (u - t1)
	elif t1 <= 1.82e+117:
		tmp = t1 * ((v / (t1 + u)) / (-u - t1))
	else:
		tmp = v / ((u * -2.0) - t1)
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if (t1 <= -3.8e+151)
		tmp = Float64(v / Float64(u - t1));
	elseif (t1 <= 1.82e+117)
		tmp = Float64(t1 * Float64(Float64(v / Float64(t1 + u)) / Float64(Float64(-u) - t1)));
	else
		tmp = Float64(v / Float64(Float64(u * Float64(-2.0)) - t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if (t1 <= -3.8e+151)
		tmp = v / (u - t1);
	elseif (t1 <= 1.82e+117)
		tmp = t1 * ((v / (t1 + u)) / (-u - t1));
	else
		tmp = v / ((u * -2.0) - t1);
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[LessEqual[t1, -3.8e+151], N[(v / N[(u - t1), $MachinePrecision]), $MachinePrecision], If[LessEqual[t1, 1.82e+117], N[(t1 * N[(N[(v / N[(t1 + u), $MachinePrecision]), $MachinePrecision] / N[((-u) - t1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(v / N[(N[(u * (-2.0)), $MachinePrecision] - t1), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t1 \leq -3.8 \cdot 10^{+151}:\\
\;\;\;\;\frac{v}{u - t1}\\

\mathbf{elif}\;t1 \leq 1.82 \cdot 10^{+117}:\\
\;\;\;\;t1 \cdot \frac{\frac{v}{t1 + u}}{\left(-u\right) - t1}\\

\mathbf{else}:\\
\;\;\;\;\frac{v}{u \cdot \left(-2\right) - t1}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t1 < -3.8e151

    1. Initial program 46.3%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*47.9%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out47.9%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in47.9%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*72.7%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac272.7%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified72.7%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-frac-neg272.7%

        \[\leadsto t1 \cdot \color{blue}{\left(-\frac{\frac{v}{t1 + u}}{t1 + u}\right)} \]
      2. distribute-rgt-neg-out72.7%

        \[\leadsto \color{blue}{-t1 \cdot \frac{\frac{v}{t1 + u}}{t1 + u}} \]
      3. associate-/r*47.9%

        \[\leadsto -t1 \cdot \color{blue}{\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      4. distribute-lft-neg-out47.9%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      5. associate-/l*46.3%

        \[\leadsto \color{blue}{\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      6. times-frac100.0%

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

        \[\leadsto \frac{-t1}{t1 + u} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
      8. associate-*r/100.0%

        \[\leadsto \color{blue}{\frac{\frac{-t1}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)}} \]
      9. add-sqr-sqrt99.5%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      10. sqrt-unprod2.2%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      11. sqr-neg2.2%

        \[\leadsto \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      12. sqrt-unprod0.0%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      13. add-sqr-sqrt47.0%

        \[\leadsto \frac{\frac{\color{blue}{t1}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      14. add-sqr-sqrt46.7%

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

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
      16. sqr-neg47.9%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}} \]
      17. sqrt-prod5.4%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}} \]
      18. add-sqr-sqrt100.0%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{t1 + u}} \]
    6. Applied egg-rr100.0%

      \[\leadsto \color{blue}{\frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{t1 + u}} \]
    7. Taylor expanded in t1 around inf 92.2%

      \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 + u} \]
    8. Step-by-step derivation
      1. mul-1-neg92.2%

        \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    9. Simplified92.2%

      \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    10. Step-by-step derivation
      1. div-inv92.2%

        \[\leadsto \color{blue}{\left(-v\right) \cdot \frac{1}{t1 + u}} \]
      2. add-sqr-sqrt43.3%

        \[\leadsto \color{blue}{\left(\sqrt{-v} \cdot \sqrt{-v}\right)} \cdot \frac{1}{t1 + u} \]
      3. sqrt-unprod57.7%

        \[\leadsto \color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}} \cdot \frac{1}{t1 + u} \]
      4. sqr-neg57.7%

        \[\leadsto \sqrt{\color{blue}{v \cdot v}} \cdot \frac{1}{t1 + u} \]
      5. sqrt-unprod22.4%

        \[\leadsto \color{blue}{\left(\sqrt{v} \cdot \sqrt{v}\right)} \cdot \frac{1}{t1 + u} \]
      6. add-sqr-sqrt47.1%

        \[\leadsto \color{blue}{v} \cdot \frac{1}{t1 + u} \]
      7. frac-2neg47.1%

        \[\leadsto v \cdot \color{blue}{\frac{-1}{-\left(t1 + u\right)}} \]
      8. metadata-eval47.1%

        \[\leadsto v \cdot \frac{\color{blue}{-1}}{-\left(t1 + u\right)} \]
      9. distribute-neg-in47.1%

        \[\leadsto v \cdot \frac{-1}{\color{blue}{\left(-t1\right) + \left(-u\right)}} \]
      10. add-sqr-sqrt47.1%

        \[\leadsto v \cdot \frac{-1}{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}} + \left(-u\right)} \]
      11. sqrt-unprod47.9%

        \[\leadsto v \cdot \frac{-1}{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}} + \left(-u\right)} \]
      12. sqr-neg47.9%

        \[\leadsto v \cdot \frac{-1}{\sqrt{\color{blue}{t1 \cdot t1}} + \left(-u\right)} \]
      13. sqrt-unprod0.0%

        \[\leadsto v \cdot \frac{-1}{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}} + \left(-u\right)} \]
      14. add-sqr-sqrt92.2%

        \[\leadsto v \cdot \frac{-1}{\color{blue}{t1} + \left(-u\right)} \]
      15. sub-neg92.2%

        \[\leadsto v \cdot \frac{-1}{\color{blue}{t1 - u}} \]
    11. Applied egg-rr92.2%

      \[\leadsto \color{blue}{v \cdot \frac{-1}{t1 - u}} \]
    12. Step-by-step derivation
      1. associate-*r/92.3%

        \[\leadsto \color{blue}{\frac{v \cdot -1}{t1 - u}} \]
      2. *-commutative92.3%

        \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 - u} \]
      3. mul-1-neg92.3%

        \[\leadsto \frac{\color{blue}{-v}}{t1 - u} \]
    13. Simplified92.3%

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

    if -3.8e151 < t1 < 1.82000000000000001e117

    1. Initial program 86.2%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*84.9%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out84.9%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in84.9%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*92.1%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac292.1%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified92.1%

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

    if 1.82000000000000001e117 < t1

    1. Initial program 69.3%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*62.3%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out62.3%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in62.3%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*75.3%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac275.3%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified75.3%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*r/100.0%

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

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

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

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

        \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
      6. clear-num99.9%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(-u\right) - t1}{t1}}} \cdot \frac{v}{t1 + u} \]
      7. frac-2neg99.9%

        \[\leadsto \frac{1}{\frac{\left(-u\right) - t1}{t1}} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
      8. frac-times97.6%

        \[\leadsto \color{blue}{\frac{1 \cdot \left(-v\right)}{\frac{\left(-u\right) - t1}{t1} \cdot \left(-\left(t1 + u\right)\right)}} \]
      9. *-un-lft-identity97.6%

        \[\leadsto \frac{\color{blue}{-v}}{\frac{\left(-u\right) - t1}{t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      10. frac-2neg97.6%

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

        \[\leadsto \frac{-v}{\frac{-\color{blue}{\left(\left(-u\right) + \left(-t1\right)\right)}}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      12. distribute-neg-in97.6%

        \[\leadsto \frac{-v}{\frac{-\color{blue}{\left(-\left(u + t1\right)\right)}}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      13. +-commutative97.6%

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

        \[\leadsto \frac{-v}{\frac{\color{blue}{t1 + u}}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      15. add-sqr-sqrt0.0%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      16. sqrt-unprod7.5%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      17. sqr-neg7.5%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\sqrt{\color{blue}{t1 \cdot t1}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      18. sqrt-unprod56.4%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      19. add-sqr-sqrt56.4%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{t1}} \cdot \left(-\left(t1 + u\right)\right)} \]
      20. add-sqr-sqrt5.8%

        \[\leadsto \frac{-v}{\frac{t1 + u}{t1} \cdot \color{blue}{\left(\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}\right)}} \]
      21. sqrt-unprod69.8%

        \[\leadsto \frac{-v}{\frac{t1 + u}{t1} \cdot \color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
    6. Applied egg-rr97.6%

      \[\leadsto \color{blue}{\frac{-v}{\frac{t1 + u}{t1} \cdot \left(t1 + u\right)}} \]
    7. Taylor expanded in u around 0 93.6%

      \[\leadsto \frac{-v}{\color{blue}{t1 + 2 \cdot u}} \]
    8. Step-by-step derivation
      1. *-commutative93.6%

        \[\leadsto \frac{-v}{t1 + \color{blue}{u \cdot 2}} \]
    9. Simplified93.6%

      \[\leadsto \frac{-v}{\color{blue}{t1 + u \cdot 2}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification92.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t1 \leq -3.8 \cdot 10^{+151}:\\ \;\;\;\;\frac{v}{u - t1}\\ \mathbf{elif}\;t1 \leq 1.82 \cdot 10^{+117}:\\ \;\;\;\;t1 \cdot \frac{\frac{v}{t1 + u}}{\left(-u\right) - t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u \cdot \left(-2\right) - t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 77.3% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -9.5 \cdot 10^{-24} \lor \neg \left(u \leq 7 \cdot 10^{+28}\right):\\ \;\;\;\;\frac{v}{u} \cdot \frac{t1}{-u}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= u -9.5e-24) (not (<= u 7e+28)))
   (* (/ v u) (/ t1 (- u)))
   (/ v (- t1))))
double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -9.5e-24) || !(u <= 7e+28)) {
		tmp = (v / u) * (t1 / -u);
	} else {
		tmp = v / -t1;
	}
	return tmp;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    real(8) :: tmp
    if ((u <= (-9.5d-24)) .or. (.not. (u <= 7d+28))) then
        tmp = (v / u) * (t1 / -u)
    else
        tmp = v / -t1
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -9.5e-24) || !(u <= 7e+28)) {
		tmp = (v / u) * (t1 / -u);
	} else {
		tmp = v / -t1;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (u <= -9.5e-24) or not (u <= 7e+28):
		tmp = (v / u) * (t1 / -u)
	else:
		tmp = v / -t1
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((u <= -9.5e-24) || !(u <= 7e+28))
		tmp = Float64(Float64(v / u) * Float64(t1 / Float64(-u)));
	else
		tmp = Float64(v / Float64(-t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((u <= -9.5e-24) || ~((u <= 7e+28)))
		tmp = (v / u) * (t1 / -u);
	else
		tmp = v / -t1;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[u, -9.5e-24], N[Not[LessEqual[u, 7e+28]], $MachinePrecision]], N[(N[(v / u), $MachinePrecision] * N[(t1 / (-u)), $MachinePrecision]), $MachinePrecision], N[(v / (-t1)), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -9.5 \cdot 10^{-24} \lor \neg \left(u \leq 7 \cdot 10^{+28}\right):\\
\;\;\;\;\frac{v}{u} \cdot \frac{t1}{-u}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if u < -9.50000000000000029e-24 or 6.9999999999999999e28 < u

    1. Initial program 80.8%

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

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

        \[\leadsto \color{blue}{\left(-\frac{t1}{t1 + u}\right)} \cdot \frac{v}{t1 + u} \]
      3. distribute-neg-frac298.2%

        \[\leadsto \color{blue}{\frac{t1}{-\left(t1 + u\right)}} \cdot \frac{v}{t1 + u} \]
      4. +-commutative98.2%

        \[\leadsto \frac{t1}{-\color{blue}{\left(u + t1\right)}} \cdot \frac{v}{t1 + u} \]
      5. distribute-neg-in98.2%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) + \left(-t1\right)}} \cdot \frac{v}{t1 + u} \]
      6. unsub-neg98.2%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) - t1}} \cdot \frac{v}{t1 + u} \]
    3. Simplified98.2%

      \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 83.0%

      \[\leadsto \frac{t1}{\left(-u\right) - t1} \cdot \color{blue}{\frac{v}{u}} \]
    6. Taylor expanded in t1 around 0 83.8%

      \[\leadsto \color{blue}{\left(-1 \cdot \frac{t1}{u}\right)} \cdot \frac{v}{u} \]
    7. Step-by-step derivation
      1. associate-*r/83.8%

        \[\leadsto \color{blue}{\frac{-1 \cdot t1}{u}} \cdot \frac{v}{u} \]
      2. mul-1-neg83.8%

        \[\leadsto \frac{\color{blue}{-t1}}{u} \cdot \frac{v}{u} \]
    8. Simplified83.8%

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

    if -9.50000000000000029e-24 < u < 6.9999999999999999e28

    1. Initial program 75.4%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*71.0%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out71.0%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in71.0%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      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 inf 85.2%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/85.2%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-185.2%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified85.2%

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification84.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -9.5 \cdot 10^{-24} \lor \neg \left(u \leq 7 \cdot 10^{+28}\right):\\ \;\;\;\;\frac{v}{u} \cdot \frac{t1}{-u}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 77.5% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -3 \cdot 10^{-24} \lor \neg \left(u \leq 1.55 \cdot 10^{+24}\right):\\ \;\;\;\;\frac{t1}{u \cdot \frac{u}{-v}}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= u -3e-24) (not (<= u 1.55e+24)))
   (/ t1 (* u (/ u (- v))))
   (/ v (- t1))))
double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -3e-24) || !(u <= 1.55e+24)) {
		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 <= (-3d-24)) .or. (.not. (u <= 1.55d+24))) 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 <= -3e-24) || !(u <= 1.55e+24)) {
		tmp = t1 / (u * (u / -v));
	} else {
		tmp = v / -t1;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (u <= -3e-24) or not (u <= 1.55e+24):
		tmp = t1 / (u * (u / -v))
	else:
		tmp = v / -t1
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((u <= -3e-24) || !(u <= 1.55e+24))
		tmp = Float64(t1 / Float64(u * Float64(u / Float64(-v))));
	else
		tmp = Float64(v / Float64(-t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((u <= -3e-24) || ~((u <= 1.55e+24)))
		tmp = t1 / (u * (u / -v));
	else
		tmp = v / -t1;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[u, -3e-24], N[Not[LessEqual[u, 1.55e+24]], $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 -3 \cdot 10^{-24} \lor \neg \left(u \leq 1.55 \cdot 10^{+24}\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 < -2.99999999999999995e-24 or 1.55000000000000005e24 < u

    1. Initial program 81.0%

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

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

        \[\leadsto \color{blue}{\left(-\frac{t1}{t1 + u}\right)} \cdot \frac{v}{t1 + u} \]
      3. distribute-neg-frac298.2%

        \[\leadsto \color{blue}{\frac{t1}{-\left(t1 + u\right)}} \cdot \frac{v}{t1 + u} \]
      4. +-commutative98.2%

        \[\leadsto \frac{t1}{-\color{blue}{\left(u + t1\right)}} \cdot \frac{v}{t1 + u} \]
      5. distribute-neg-in98.2%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) + \left(-t1\right)}} \cdot \frac{v}{t1 + u} \]
      6. unsub-neg98.2%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) - t1}} \cdot \frac{v}{t1 + u} \]
    3. Simplified98.2%

      \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 82.9%

      \[\leadsto \frac{t1}{\left(-u\right) - t1} \cdot \color{blue}{\frac{v}{u}} \]
    6. Taylor expanded in t1 around 0 83.2%

      \[\leadsto \color{blue}{\left(-1 \cdot \frac{t1}{u}\right)} \cdot \frac{v}{u} \]
    7. Step-by-step derivation
      1. associate-*r/83.2%

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

        \[\leadsto \frac{\color{blue}{-t1}}{u} \cdot \frac{v}{u} \]
    8. Simplified83.2%

      \[\leadsto \color{blue}{\frac{-t1}{u}} \cdot \frac{v}{u} \]
    9. Step-by-step derivation
      1. *-commutative83.2%

        \[\leadsto \color{blue}{\frac{v}{u} \cdot \frac{-t1}{u}} \]
      2. clear-num84.0%

        \[\leadsto \color{blue}{\frac{1}{\frac{u}{v}}} \cdot \frac{-t1}{u} \]
      3. frac-2neg84.0%

        \[\leadsto \frac{1}{\frac{u}{v}} \cdot \color{blue}{\frac{-\left(-t1\right)}{-u}} \]
      4. frac-times86.3%

        \[\leadsto \color{blue}{\frac{1 \cdot \left(-\left(-t1\right)\right)}{\frac{u}{v} \cdot \left(-u\right)}} \]
      5. *-un-lft-identity86.3%

        \[\leadsto \frac{\color{blue}{-\left(-t1\right)}}{\frac{u}{v} \cdot \left(-u\right)} \]
      6. remove-double-neg86.3%

        \[\leadsto \frac{\color{blue}{t1}}{\frac{u}{v} \cdot \left(-u\right)} \]
    10. Applied egg-rr86.3%

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

    if -2.99999999999999995e-24 < u < 1.55000000000000005e24

    1. Initial program 75.3%

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

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

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

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

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

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

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 85.1%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/85.1%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-185.1%

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

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification85.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -3 \cdot 10^{-24} \lor \neg \left(u \leq 1.55 \cdot 10^{+24}\right):\\ \;\;\;\;\frac{t1}{u \cdot \frac{u}{-v}}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 77.6% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -5.4 \cdot 10^{-26}:\\ \;\;\;\;\frac{t1}{u \cdot \frac{u}{-v}}\\ \mathbf{elif}\;u \leq 8 \cdot 10^{+29}:\\ \;\;\;\;\frac{v}{-t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{t1 \cdot \frac{v}{u}}{-u}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (<= u -5.4e-26)
   (/ t1 (* u (/ u (- v))))
   (if (<= u 8e+29) (/ v (- t1)) (/ (* t1 (/ v u)) (- u)))))
double code(double u, double v, double t1) {
	double tmp;
	if (u <= -5.4e-26) {
		tmp = t1 / (u * (u / -v));
	} else if (u <= 8e+29) {
		tmp = v / -t1;
	} else {
		tmp = (t1 * (v / u)) / -u;
	}
	return tmp;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    real(8) :: tmp
    if (u <= (-5.4d-26)) then
        tmp = t1 / (u * (u / -v))
    else if (u <= 8d+29) then
        tmp = v / -t1
    else
        tmp = (t1 * (v / u)) / -u
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if (u <= -5.4e-26) {
		tmp = t1 / (u * (u / -v));
	} else if (u <= 8e+29) {
		tmp = v / -t1;
	} else {
		tmp = (t1 * (v / u)) / -u;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if u <= -5.4e-26:
		tmp = t1 / (u * (u / -v))
	elif u <= 8e+29:
		tmp = v / -t1
	else:
		tmp = (t1 * (v / u)) / -u
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if (u <= -5.4e-26)
		tmp = Float64(t1 / Float64(u * Float64(u / Float64(-v))));
	elseif (u <= 8e+29)
		tmp = Float64(v / Float64(-t1));
	else
		tmp = Float64(Float64(t1 * Float64(v / u)) / Float64(-u));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if (u <= -5.4e-26)
		tmp = t1 / (u * (u / -v));
	elseif (u <= 8e+29)
		tmp = v / -t1;
	else
		tmp = (t1 * (v / u)) / -u;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[LessEqual[u, -5.4e-26], N[(t1 / N[(u * N[(u / (-v)), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[u, 8e+29], N[(v / (-t1)), $MachinePrecision], N[(N[(t1 * N[(v / u), $MachinePrecision]), $MachinePrecision] / (-u)), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -5.4 \cdot 10^{-26}:\\
\;\;\;\;\frac{t1}{u \cdot \frac{u}{-v}}\\

\mathbf{elif}\;u \leq 8 \cdot 10^{+29}:\\
\;\;\;\;\frac{v}{-t1}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if u < -5.39999999999999963e-26

    1. Initial program 80.0%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. times-frac98.3%

        \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
      2. distribute-frac-neg98.3%

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

        \[\leadsto \color{blue}{\frac{t1}{-\left(t1 + u\right)}} \cdot \frac{v}{t1 + u} \]
      4. +-commutative98.3%

        \[\leadsto \frac{t1}{-\color{blue}{\left(u + t1\right)}} \cdot \frac{v}{t1 + u} \]
      5. distribute-neg-in98.3%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) + \left(-t1\right)}} \cdot \frac{v}{t1 + u} \]
      6. unsub-neg98.3%

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

      \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 83.2%

      \[\leadsto \frac{t1}{\left(-u\right) - t1} \cdot \color{blue}{\frac{v}{u}} \]
    6. Taylor expanded in t1 around 0 84.6%

      \[\leadsto \color{blue}{\left(-1 \cdot \frac{t1}{u}\right)} \cdot \frac{v}{u} \]
    7. Step-by-step derivation
      1. associate-*r/84.6%

        \[\leadsto \color{blue}{\frac{-1 \cdot t1}{u}} \cdot \frac{v}{u} \]
      2. mul-1-neg84.6%

        \[\leadsto \frac{\color{blue}{-t1}}{u} \cdot \frac{v}{u} \]
    8. Simplified84.6%

      \[\leadsto \color{blue}{\frac{-t1}{u}} \cdot \frac{v}{u} \]
    9. Step-by-step derivation
      1. *-commutative84.6%

        \[\leadsto \color{blue}{\frac{v}{u} \cdot \frac{-t1}{u}} \]
      2. clear-num84.6%

        \[\leadsto \color{blue}{\frac{1}{\frac{u}{v}}} \cdot \frac{-t1}{u} \]
      3. frac-2neg84.6%

        \[\leadsto \frac{1}{\frac{u}{v}} \cdot \color{blue}{\frac{-\left(-t1\right)}{-u}} \]
      4. frac-times87.8%

        \[\leadsto \color{blue}{\frac{1 \cdot \left(-\left(-t1\right)\right)}{\frac{u}{v} \cdot \left(-u\right)}} \]
      5. *-un-lft-identity87.8%

        \[\leadsto \frac{\color{blue}{-\left(-t1\right)}}{\frac{u}{v} \cdot \left(-u\right)} \]
      6. remove-double-neg87.8%

        \[\leadsto \frac{\color{blue}{t1}}{\frac{u}{v} \cdot \left(-u\right)} \]
    10. Applied egg-rr87.8%

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

    if -5.39999999999999963e-26 < u < 7.99999999999999931e29

    1. Initial program 75.4%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*71.0%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out71.0%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in71.0%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      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 inf 85.2%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/85.2%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-185.2%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified85.2%

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

    if 7.99999999999999931e29 < u

    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. times-frac98.2%

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

        \[\leadsto \color{blue}{\left(-\frac{t1}{t1 + u}\right)} \cdot \frac{v}{t1 + u} \]
      3. distribute-neg-frac298.2%

        \[\leadsto \color{blue}{\frac{t1}{-\left(t1 + u\right)}} \cdot \frac{v}{t1 + u} \]
      4. +-commutative98.2%

        \[\leadsto \frac{t1}{-\color{blue}{\left(u + t1\right)}} \cdot \frac{v}{t1 + u} \]
      5. distribute-neg-in98.2%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) + \left(-t1\right)}} \cdot \frac{v}{t1 + u} \]
      6. unsub-neg98.2%

        \[\leadsto \frac{t1}{\color{blue}{\left(-u\right) - t1}} \cdot \frac{v}{t1 + u} \]
    3. Simplified98.2%

      \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around 0 82.9%

      \[\leadsto \frac{t1}{\left(-u\right) - t1} \cdot \color{blue}{\frac{v}{u}} \]
    6. Taylor expanded in t1 around 0 83.0%

      \[\leadsto \color{blue}{\left(-1 \cdot \frac{t1}{u}\right)} \cdot \frac{v}{u} \]
    7. Step-by-step derivation
      1. associate-*r/83.0%

        \[\leadsto \color{blue}{\frac{-1 \cdot t1}{u}} \cdot \frac{v}{u} \]
      2. mul-1-neg83.0%

        \[\leadsto \frac{\color{blue}{-t1}}{u} \cdot \frac{v}{u} \]
    8. Simplified83.0%

      \[\leadsto \color{blue}{\frac{-t1}{u}} \cdot \frac{v}{u} \]
    9. Step-by-step derivation
      1. distribute-frac-neg83.0%

        \[\leadsto \color{blue}{\left(-\frac{t1}{u}\right)} \cdot \frac{v}{u} \]
      2. distribute-frac-neg283.0%

        \[\leadsto \color{blue}{\frac{t1}{-u}} \cdot \frac{v}{u} \]
      3. associate-*l/84.5%

        \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{u}}{-u}} \]
    10. Applied egg-rr84.5%

      \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{u}}{-u}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification85.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -5.4 \cdot 10^{-26}:\\ \;\;\;\;\frac{t1}{u \cdot \frac{u}{-v}}\\ \mathbf{elif}\;u \leq 8 \cdot 10^{+29}:\\ \;\;\;\;\frac{v}{-t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{t1 \cdot \frac{v}{u}}{-u}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 66.5% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -1.66 \cdot 10^{+31} \lor \neg \left(u \leq 2 \cdot 10^{+32}\right):\\ \;\;\;\;\frac{v}{u \cdot \frac{u}{t1}}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= u -1.66e+31) (not (<= u 2e+32)))
   (/ v (* u (/ u t1)))
   (/ v (- t1))))
double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -1.66e+31) || !(u <= 2e+32)) {
		tmp = v / (u * (u / t1));
	} 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 <= (-1.66d+31)) .or. (.not. (u <= 2d+32))) then
        tmp = v / (u * (u / t1))
    else
        tmp = v / -t1
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -1.66e+31) || !(u <= 2e+32)) {
		tmp = v / (u * (u / t1));
	} else {
		tmp = v / -t1;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (u <= -1.66e+31) or not (u <= 2e+32):
		tmp = v / (u * (u / t1))
	else:
		tmp = v / -t1
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((u <= -1.66e+31) || !(u <= 2e+32))
		tmp = Float64(v / Float64(u * Float64(u / t1)));
	else
		tmp = Float64(v / Float64(-t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((u <= -1.66e+31) || ~((u <= 2e+32)))
		tmp = v / (u * (u / t1));
	else
		tmp = v / -t1;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[u, -1.66e+31], N[Not[LessEqual[u, 2e+32]], $MachinePrecision]], N[(v / N[(u * N[(u / t1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(v / (-t1)), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -1.66 \cdot 10^{+31} \lor \neg \left(u \leq 2 \cdot 10^{+32}\right):\\
\;\;\;\;\frac{v}{u \cdot \frac{u}{t1}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if u < -1.6599999999999999e31 or 2.00000000000000011e32 < u

    1. Initial program 80.6%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    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 0 84.7%

      \[\leadsto \frac{t1}{\left(-u\right) - t1} \cdot \color{blue}{\frac{v}{u}} \]
    6. Taylor expanded in t1 around 0 84.6%

      \[\leadsto \color{blue}{\left(-1 \cdot \frac{t1}{u}\right)} \cdot \frac{v}{u} \]
    7. Step-by-step derivation
      1. associate-*r/84.6%

        \[\leadsto \color{blue}{\frac{-1 \cdot t1}{u}} \cdot \frac{v}{u} \]
      2. mul-1-neg84.6%

        \[\leadsto \frac{\color{blue}{-t1}}{u} \cdot \frac{v}{u} \]
    8. Simplified84.6%

      \[\leadsto \color{blue}{\frac{-t1}{u}} \cdot \frac{v}{u} \]
    9. Step-by-step derivation
      1. clear-num84.6%

        \[\leadsto \color{blue}{\frac{1}{\frac{u}{-t1}}} \cdot \frac{v}{u} \]
      2. frac-times70.9%

        \[\leadsto \color{blue}{\frac{1 \cdot v}{\frac{u}{-t1} \cdot u}} \]
      3. *-un-lft-identity70.9%

        \[\leadsto \frac{\color{blue}{v}}{\frac{u}{-t1} \cdot u} \]
      4. add-sqr-sqrt36.7%

        \[\leadsto \frac{v}{\frac{u}{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}} \cdot u} \]
      5. sqrt-unprod54.1%

        \[\leadsto \frac{v}{\frac{u}{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}} \cdot u} \]
      6. sqr-neg54.1%

        \[\leadsto \frac{v}{\frac{u}{\sqrt{\color{blue}{t1 \cdot t1}}} \cdot u} \]
      7. sqrt-unprod27.5%

        \[\leadsto \frac{v}{\frac{u}{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}} \cdot u} \]
      8. add-sqr-sqrt59.5%

        \[\leadsto \frac{v}{\frac{u}{\color{blue}{t1}} \cdot u} \]
    10. Applied egg-rr59.5%

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

    if -1.6599999999999999e31 < u < 2.00000000000000011e32

    1. Initial program 76.1%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*72.2%

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

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in72.2%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*82.8%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac282.8%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified82.8%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 80.7%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/80.7%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-180.7%

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

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification71.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -1.66 \cdot 10^{+31} \lor \neg \left(u \leq 2 \cdot 10^{+32}\right):\\ \;\;\;\;\frac{v}{u \cdot \frac{u}{t1}}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 67.2% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -2.75 \cdot 10^{+31} \lor \neg \left(u \leq 2 \cdot 10^{+32}\right):\\ \;\;\;\;\frac{t1 \cdot \frac{v}{u}}{u}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= u -2.75e+31) (not (<= u 2e+32)))
   (/ (* t1 (/ v u)) u)
   (/ v (- t1))))
double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -2.75e+31) || !(u <= 2e+32)) {
		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 <= (-2.75d+31)) .or. (.not. (u <= 2d+32))) 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 <= -2.75e+31) || !(u <= 2e+32)) {
		tmp = (t1 * (v / u)) / u;
	} else {
		tmp = v / -t1;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (u <= -2.75e+31) or not (u <= 2e+32):
		tmp = (t1 * (v / u)) / u
	else:
		tmp = v / -t1
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((u <= -2.75e+31) || !(u <= 2e+32))
		tmp = Float64(Float64(t1 * Float64(v / u)) / u);
	else
		tmp = Float64(v / Float64(-t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((u <= -2.75e+31) || ~((u <= 2e+32)))
		tmp = (t1 * (v / u)) / u;
	else
		tmp = v / -t1;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[u, -2.75e+31], N[Not[LessEqual[u, 2e+32]], $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 -2.75 \cdot 10^{+31} \lor \neg \left(u \leq 2 \cdot 10^{+32}\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 < -2.75000000000000001e31 or 2.00000000000000011e32 < u

    1. Initial program 80.6%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    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 0 84.7%

      \[\leadsto \frac{t1}{\left(-u\right) - t1} \cdot \color{blue}{\frac{v}{u}} \]
    6. Taylor expanded in t1 around 0 84.6%

      \[\leadsto \color{blue}{\left(-1 \cdot \frac{t1}{u}\right)} \cdot \frac{v}{u} \]
    7. Step-by-step derivation
      1. associate-*r/84.6%

        \[\leadsto \color{blue}{\frac{-1 \cdot t1}{u}} \cdot \frac{v}{u} \]
      2. mul-1-neg84.6%

        \[\leadsto \frac{\color{blue}{-t1}}{u} \cdot \frac{v}{u} \]
    8. Simplified84.6%

      \[\leadsto \color{blue}{\frac{-t1}{u}} \cdot \frac{v}{u} \]
    9. Step-by-step derivation
      1. associate-*l/86.3%

        \[\leadsto \color{blue}{\frac{\left(-t1\right) \cdot \frac{v}{u}}{u}} \]
      2. add-sqr-sqrt47.0%

        \[\leadsto \frac{\color{blue}{\left(\sqrt{-t1} \cdot \sqrt{-t1}\right)} \cdot \frac{v}{u}}{u} \]
      3. sqrt-unprod57.1%

        \[\leadsto \frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}} \cdot \frac{v}{u}}{u} \]
      4. sqr-neg57.1%

        \[\leadsto \frac{\sqrt{\color{blue}{t1 \cdot t1}} \cdot \frac{v}{u}}{u} \]
      5. sqrt-unprod27.4%

        \[\leadsto \frac{\color{blue}{\left(\sqrt{t1} \cdot \sqrt{t1}\right)} \cdot \frac{v}{u}}{u} \]
      6. add-sqr-sqrt60.4%

        \[\leadsto \frac{\color{blue}{t1} \cdot \frac{v}{u}}{u} \]
    10. Applied egg-rr60.4%

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

    if -2.75000000000000001e31 < u < 2.00000000000000011e32

    1. Initial program 76.1%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*72.2%

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

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in72.2%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*82.8%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac282.8%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified82.8%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 80.7%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/80.7%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-180.7%

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

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification72.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -2.75 \cdot 10^{+31} \lor \neg \left(u \leq 2 \cdot 10^{+32}\right):\\ \;\;\;\;\frac{t1 \cdot \frac{v}{u}}{u}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 59.2% accurate, 0.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -1 \cdot 10^{+168} \lor \neg \left(u \leq 9.2 \cdot 10^{+145}\right):\\ \;\;\;\;\frac{v}{u} \cdot -0.5\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= u -1e+168) (not (<= u 9.2e+145))) (* (/ v u) -0.5) (/ v (- t1))))
double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -1e+168) || !(u <= 9.2e+145)) {
		tmp = (v / u) * -0.5;
	} 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 <= (-1d+168)) .or. (.not. (u <= 9.2d+145))) then
        tmp = (v / u) * (-0.5d0)
    else
        tmp = v / -t1
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -1e+168) || !(u <= 9.2e+145)) {
		tmp = (v / u) * -0.5;
	} else {
		tmp = v / -t1;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (u <= -1e+168) or not (u <= 9.2e+145):
		tmp = (v / u) * -0.5
	else:
		tmp = v / -t1
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((u <= -1e+168) || !(u <= 9.2e+145))
		tmp = Float64(Float64(v / u) * -0.5);
	else
		tmp = Float64(v / Float64(-t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((u <= -1e+168) || ~((u <= 9.2e+145)))
		tmp = (v / u) * -0.5;
	else
		tmp = v / -t1;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[u, -1e+168], N[Not[LessEqual[u, 9.2e+145]], $MachinePrecision]], N[(N[(v / u), $MachinePrecision] * -0.5), $MachinePrecision], N[(v / (-t1)), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -1 \cdot 10^{+168} \lor \neg \left(u \leq 9.2 \cdot 10^{+145}\right):\\
\;\;\;\;\frac{v}{u} \cdot -0.5\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if u < -9.9999999999999993e167 or 9.2e145 < u

    1. Initial program 79.8%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*80.1%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out80.1%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in80.1%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*93.7%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac293.7%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified93.7%

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

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

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

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

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

        \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
      6. clear-num99.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(-u\right) - t1}{t1}}} \cdot \frac{v}{t1 + u} \]
      7. frac-2neg99.8%

        \[\leadsto \frac{1}{\frac{\left(-u\right) - t1}{t1}} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
      8. frac-times85.0%

        \[\leadsto \color{blue}{\frac{1 \cdot \left(-v\right)}{\frac{\left(-u\right) - t1}{t1} \cdot \left(-\left(t1 + u\right)\right)}} \]
      9. *-un-lft-identity85.0%

        \[\leadsto \frac{\color{blue}{-v}}{\frac{\left(-u\right) - t1}{t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      10. frac-2neg85.0%

        \[\leadsto \frac{-v}{\color{blue}{\frac{-\left(\left(-u\right) - t1\right)}{-t1}} \cdot \left(-\left(t1 + u\right)\right)} \]
      11. sub-neg85.0%

        \[\leadsto \frac{-v}{\frac{-\color{blue}{\left(\left(-u\right) + \left(-t1\right)\right)}}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      12. distribute-neg-in85.0%

        \[\leadsto \frac{-v}{\frac{-\color{blue}{\left(-\left(u + t1\right)\right)}}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      13. +-commutative85.0%

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

        \[\leadsto \frac{-v}{\frac{\color{blue}{t1 + u}}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      15. add-sqr-sqrt46.8%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      16. sqrt-unprod59.1%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      17. sqr-neg59.1%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\sqrt{\color{blue}{t1 \cdot t1}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      18. sqrt-unprod33.6%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      19. add-sqr-sqrt78.4%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{t1}} \cdot \left(-\left(t1 + u\right)\right)} \]
      20. add-sqr-sqrt36.8%

        \[\leadsto \frac{-v}{\frac{t1 + u}{t1} \cdot \color{blue}{\left(\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}\right)}} \]
      21. sqrt-unprod80.1%

        \[\leadsto \frac{-v}{\frac{t1 + u}{t1} \cdot \color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
    6. Applied egg-rr85.0%

      \[\leadsto \color{blue}{\frac{-v}{\frac{t1 + u}{t1} \cdot \left(t1 + u\right)}} \]
    7. Taylor expanded in u around 0 48.0%

      \[\leadsto \frac{-v}{\color{blue}{t1 + 2 \cdot u}} \]
    8. Step-by-step derivation
      1. *-commutative48.0%

        \[\leadsto \frac{-v}{t1 + \color{blue}{u \cdot 2}} \]
    9. Simplified48.0%

      \[\leadsto \frac{-v}{\color{blue}{t1 + u \cdot 2}} \]
    10. Taylor expanded in t1 around 0 41.9%

      \[\leadsto \color{blue}{-0.5 \cdot \frac{v}{u}} \]

    if -9.9999999999999993e167 < u < 9.2e145

    1. Initial program 77.4%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*75.1%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out75.1%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in75.1%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*84.8%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac284.8%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified84.8%

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

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

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

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

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification61.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -1 \cdot 10^{+168} \lor \neg \left(u \leq 9.2 \cdot 10^{+145}\right):\\ \;\;\;\;\frac{v}{u} \cdot -0.5\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 59.3% accurate, 0.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -3.9 \cdot 10^{+167} \lor \neg \left(u \leq 4 \cdot 10^{+145}\right):\\ \;\;\;\;\frac{v}{t1 + u}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= u -3.9e+167) (not (<= u 4e+145))) (/ v (+ t1 u)) (/ v (- t1))))
double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -3.9e+167) || !(u <= 4e+145)) {
		tmp = v / (t1 + u);
	} else {
		tmp = v / -t1;
	}
	return tmp;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    real(8) :: tmp
    if ((u <= (-3.9d+167)) .or. (.not. (u <= 4d+145))) then
        tmp = v / (t1 + u)
    else
        tmp = v / -t1
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -3.9e+167) || !(u <= 4e+145)) {
		tmp = v / (t1 + u);
	} else {
		tmp = v / -t1;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (u <= -3.9e+167) or not (u <= 4e+145):
		tmp = v / (t1 + u)
	else:
		tmp = v / -t1
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((u <= -3.9e+167) || !(u <= 4e+145))
		tmp = Float64(v / Float64(t1 + u));
	else
		tmp = Float64(v / Float64(-t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((u <= -3.9e+167) || ~((u <= 4e+145)))
		tmp = v / (t1 + u);
	else
		tmp = v / -t1;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[u, -3.9e+167], N[Not[LessEqual[u, 4e+145]], $MachinePrecision]], N[(v / N[(t1 + u), $MachinePrecision]), $MachinePrecision], N[(v / (-t1)), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -3.9 \cdot 10^{+167} \lor \neg \left(u \leq 4 \cdot 10^{+145}\right):\\
\;\;\;\;\frac{v}{t1 + u}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if u < -3.8999999999999998e167 or 4e145 < u

    1. Initial program 79.8%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*80.1%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out80.1%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in80.1%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*93.7%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac293.7%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified93.7%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 46.0%

      \[\leadsto t1 \cdot \frac{\color{blue}{\frac{v}{t1}}}{-\left(t1 + u\right)} \]
    6. Step-by-step derivation
      1. associate-*r/47.8%

        \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{t1}}{-\left(t1 + u\right)}} \]
      2. clear-num48.4%

        \[\leadsto \color{blue}{\frac{1}{\frac{-\left(t1 + u\right)}{t1 \cdot \frac{v}{t1}}}} \]
      3. add-sqr-sqrt22.5%

        \[\leadsto \frac{1}{\frac{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}}{t1 \cdot \frac{v}{t1}}} \]
      4. sqrt-unprod72.0%

        \[\leadsto \frac{1}{\frac{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}}{t1 \cdot \frac{v}{t1}}} \]
      5. sqr-neg72.0%

        \[\leadsto \frac{1}{\frac{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}}{t1 \cdot \frac{v}{t1}}} \]
      6. sqrt-unprod24.3%

        \[\leadsto \frac{1}{\frac{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}}{t1 \cdot \frac{v}{t1}}} \]
      7. add-sqr-sqrt46.7%

        \[\leadsto \frac{1}{\frac{\color{blue}{t1 + u}}{t1 \cdot \frac{v}{t1}}} \]
    7. Applied egg-rr46.7%

      \[\leadsto \color{blue}{\frac{1}{\frac{t1 + u}{t1 \cdot \frac{v}{t1}}}} \]
    8. Step-by-step derivation
      1. associate-/r/45.8%

        \[\leadsto \color{blue}{\frac{1}{t1 + u} \cdot \left(t1 \cdot \frac{v}{t1}\right)} \]
      2. associate-*r/47.3%

        \[\leadsto \frac{1}{t1 + u} \cdot \color{blue}{\frac{t1 \cdot v}{t1}} \]
      3. associate-*r/58.7%

        \[\leadsto \color{blue}{\frac{\frac{1}{t1 + u} \cdot \left(t1 \cdot v\right)}{t1}} \]
      4. associate-*l/58.7%

        \[\leadsto \frac{\color{blue}{\frac{1 \cdot \left(t1 \cdot v\right)}{t1 + u}}}{t1} \]
      5. *-lft-identity58.7%

        \[\leadsto \frac{\frac{\color{blue}{t1 \cdot v}}{t1 + u}}{t1} \]
      6. *-commutative58.7%

        \[\leadsto \frac{\frac{\color{blue}{v \cdot t1}}{t1 + u}}{t1} \]
      7. associate-/r*50.5%

        \[\leadsto \color{blue}{\frac{v \cdot t1}{\left(t1 + u\right) \cdot t1}} \]
      8. times-frac45.9%

        \[\leadsto \color{blue}{\frac{v}{t1 + u} \cdot \frac{t1}{t1}} \]
      9. *-inverses45.9%

        \[\leadsto \frac{v}{t1 + u} \cdot \color{blue}{1} \]
      10. *-rgt-identity45.9%

        \[\leadsto \color{blue}{\frac{v}{t1 + u}} \]
    9. Simplified45.9%

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

    if -3.8999999999999998e167 < u < 4e145

    1. Initial program 77.4%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*75.1%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out75.1%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in75.1%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*84.8%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac284.8%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified84.8%

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

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

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

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

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification62.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -3.9 \cdot 10^{+167} \lor \neg \left(u \leq 4 \cdot 10^{+145}\right):\\ \;\;\;\;\frac{v}{t1 + u}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 59.2% accurate, 0.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -1.45 \cdot 10^{+169}:\\ \;\;\;\;\frac{v}{u} \cdot -0.5\\ \mathbf{elif}\;u \leq 1.75 \cdot 10^{+146}:\\ \;\;\;\;\frac{v}{-t1}\\ \mathbf{else}:\\ \;\;\;\;v \cdot \frac{-0.5}{u}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (<= u -1.45e+169)
   (* (/ v u) -0.5)
   (if (<= u 1.75e+146) (/ v (- t1)) (* v (/ -0.5 u)))))
double code(double u, double v, double t1) {
	double tmp;
	if (u <= -1.45e+169) {
		tmp = (v / u) * -0.5;
	} else if (u <= 1.75e+146) {
		tmp = v / -t1;
	} else {
		tmp = v * (-0.5 / 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 <= (-1.45d+169)) then
        tmp = (v / u) * (-0.5d0)
    else if (u <= 1.75d+146) then
        tmp = v / -t1
    else
        tmp = v * ((-0.5d0) / u)
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if (u <= -1.45e+169) {
		tmp = (v / u) * -0.5;
	} else if (u <= 1.75e+146) {
		tmp = v / -t1;
	} else {
		tmp = v * (-0.5 / u);
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if u <= -1.45e+169:
		tmp = (v / u) * -0.5
	elif u <= 1.75e+146:
		tmp = v / -t1
	else:
		tmp = v * (-0.5 / u)
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if (u <= -1.45e+169)
		tmp = Float64(Float64(v / u) * -0.5);
	elseif (u <= 1.75e+146)
		tmp = Float64(v / Float64(-t1));
	else
		tmp = Float64(v * Float64(-0.5 / u));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if (u <= -1.45e+169)
		tmp = (v / u) * -0.5;
	elseif (u <= 1.75e+146)
		tmp = v / -t1;
	else
		tmp = v * (-0.5 / u);
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[LessEqual[u, -1.45e+169], N[(N[(v / u), $MachinePrecision] * -0.5), $MachinePrecision], If[LessEqual[u, 1.75e+146], N[(v / (-t1)), $MachinePrecision], N[(v * N[(-0.5 / u), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -1.45 \cdot 10^{+169}:\\
\;\;\;\;\frac{v}{u} \cdot -0.5\\

\mathbf{elif}\;u \leq 1.75 \cdot 10^{+146}:\\
\;\;\;\;\frac{v}{-t1}\\

\mathbf{else}:\\
\;\;\;\;v \cdot \frac{-0.5}{u}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if u < -1.45e169

    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*80.1%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out80.1%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in80.1%

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

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac296.8%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified96.8%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*r/100.0%

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

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

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

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

        \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
      6. clear-num99.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(-u\right) - t1}{t1}}} \cdot \frac{v}{t1 + u} \]
      7. frac-2neg99.8%

        \[\leadsto \frac{1}{\frac{\left(-u\right) - t1}{t1}} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
      8. frac-times83.6%

        \[\leadsto \color{blue}{\frac{1 \cdot \left(-v\right)}{\frac{\left(-u\right) - t1}{t1} \cdot \left(-\left(t1 + u\right)\right)}} \]
      9. *-un-lft-identity83.6%

        \[\leadsto \frac{\color{blue}{-v}}{\frac{\left(-u\right) - t1}{t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      10. frac-2neg83.6%

        \[\leadsto \frac{-v}{\color{blue}{\frac{-\left(\left(-u\right) - t1\right)}{-t1}} \cdot \left(-\left(t1 + u\right)\right)} \]
      11. sub-neg83.6%

        \[\leadsto \frac{-v}{\frac{-\color{blue}{\left(\left(-u\right) + \left(-t1\right)\right)}}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      12. distribute-neg-in83.6%

        \[\leadsto \frac{-v}{\frac{-\color{blue}{\left(-\left(u + t1\right)\right)}}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      13. +-commutative83.6%

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

        \[\leadsto \frac{-v}{\frac{\color{blue}{t1 + u}}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      15. add-sqr-sqrt45.5%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      16. sqrt-unprod58.1%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      17. sqr-neg58.1%

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

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      19. add-sqr-sqrt80.1%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{t1}} \cdot \left(-\left(t1 + u\right)\right)} \]
      20. add-sqr-sqrt72.7%

        \[\leadsto \frac{-v}{\frac{t1 + u}{t1} \cdot \color{blue}{\left(\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}\right)}} \]
      21. sqrt-unprod80.1%

        \[\leadsto \frac{-v}{\frac{t1 + u}{t1} \cdot \color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
    6. Applied egg-rr83.6%

      \[\leadsto \color{blue}{\frac{-v}{\frac{t1 + u}{t1} \cdot \left(t1 + u\right)}} \]
    7. Taylor expanded in u around 0 47.9%

      \[\leadsto \frac{-v}{\color{blue}{t1 + 2 \cdot u}} \]
    8. Step-by-step derivation
      1. *-commutative47.9%

        \[\leadsto \frac{-v}{t1 + \color{blue}{u \cdot 2}} \]
    9. Simplified47.9%

      \[\leadsto \frac{-v}{\color{blue}{t1 + u \cdot 2}} \]
    10. Taylor expanded in t1 around 0 44.7%

      \[\leadsto \color{blue}{-0.5 \cdot \frac{v}{u}} \]

    if -1.45e169 < u < 1.7500000000000001e146

    1. Initial program 77.4%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*75.1%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out75.1%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in75.1%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*84.8%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac284.8%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified84.8%

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

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

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

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

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

    if 1.7500000000000001e146 < u

    1. Initial program 79.8%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*80.1%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out80.1%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in80.1%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*91.2%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac291.2%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified91.2%

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

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

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

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

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

        \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
      6. clear-num99.9%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(-u\right) - t1}{t1}}} \cdot \frac{v}{t1 + u} \]
      7. frac-2neg99.9%

        \[\leadsto \frac{1}{\frac{\left(-u\right) - t1}{t1}} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
      8. frac-times86.1%

        \[\leadsto \color{blue}{\frac{1 \cdot \left(-v\right)}{\frac{\left(-u\right) - t1}{t1} \cdot \left(-\left(t1 + u\right)\right)}} \]
      9. *-un-lft-identity86.1%

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

        \[\leadsto \frac{-v}{\color{blue}{\frac{-\left(\left(-u\right) - t1\right)}{-t1}} \cdot \left(-\left(t1 + u\right)\right)} \]
      11. sub-neg86.1%

        \[\leadsto \frac{-v}{\frac{-\color{blue}{\left(\left(-u\right) + \left(-t1\right)\right)}}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      12. distribute-neg-in86.1%

        \[\leadsto \frac{-v}{\frac{-\color{blue}{\left(-\left(u + t1\right)\right)}}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      13. +-commutative86.1%

        \[\leadsto \frac{-v}{\frac{-\left(-\color{blue}{\left(t1 + u\right)}\right)}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      14. remove-double-neg86.1%

        \[\leadsto \frac{-v}{\frac{\color{blue}{t1 + u}}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      15. add-sqr-sqrt47.7%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      16. sqrt-unprod59.9%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      17. sqr-neg59.9%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\sqrt{\color{blue}{t1 \cdot t1}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      18. sqrt-unprod30.0%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      19. add-sqr-sqrt77.1%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{t1}} \cdot \left(-\left(t1 + u\right)\right)} \]
      20. add-sqr-sqrt8.3%

        \[\leadsto \frac{-v}{\frac{t1 + u}{t1} \cdot \color{blue}{\left(\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}\right)}} \]
      21. sqrt-unprod80.1%

        \[\leadsto \frac{-v}{\frac{t1 + u}{t1} \cdot \color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
    6. Applied egg-rr86.1%

      \[\leadsto \color{blue}{\frac{-v}{\frac{t1 + u}{t1} \cdot \left(t1 + u\right)}} \]
    7. Taylor expanded in u around 0 48.0%

      \[\leadsto \frac{-v}{\color{blue}{t1 + 2 \cdot u}} \]
    8. Step-by-step derivation
      1. *-commutative48.0%

        \[\leadsto \frac{-v}{t1 + \color{blue}{u \cdot 2}} \]
    9. Simplified48.0%

      \[\leadsto \frac{-v}{\color{blue}{t1 + u \cdot 2}} \]
    10. Taylor expanded in t1 around 0 39.7%

      \[\leadsto \color{blue}{-0.5 \cdot \frac{v}{u}} \]
    11. Step-by-step derivation
      1. associate-*r/39.7%

        \[\leadsto \color{blue}{\frac{-0.5 \cdot v}{u}} \]
      2. *-commutative39.7%

        \[\leadsto \frac{\color{blue}{v \cdot -0.5}}{u} \]
      3. associate-/l*39.7%

        \[\leadsto \color{blue}{v \cdot \frac{-0.5}{u}} \]
    12. Simplified39.7%

      \[\leadsto \color{blue}{v \cdot \frac{-0.5}{u}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification61.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -1.45 \cdot 10^{+169}:\\ \;\;\;\;\frac{v}{u} \cdot -0.5\\ \mathbf{elif}\;u \leq 1.75 \cdot 10^{+146}:\\ \;\;\;\;\frac{v}{-t1}\\ \mathbf{else}:\\ \;\;\;\;v \cdot \frac{-0.5}{u}\\ \end{array} \]
  5. Add Preprocessing

Alternative 11: 59.3% accurate, 0.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -1.5 \cdot 10^{+170}:\\ \;\;\;\;\frac{v}{u} \cdot -0.5\\ \mathbf{elif}\;u \leq 6.5 \cdot 10^{+145}:\\ \;\;\;\;\frac{v}{-t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{-0.5}{\frac{u}{v}}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (<= u -1.5e+170)
   (* (/ v u) -0.5)
   (if (<= u 6.5e+145) (/ v (- t1)) (/ -0.5 (/ u v)))))
double code(double u, double v, double t1) {
	double tmp;
	if (u <= -1.5e+170) {
		tmp = (v / u) * -0.5;
	} else if (u <= 6.5e+145) {
		tmp = v / -t1;
	} else {
		tmp = -0.5 / (u / v);
	}
	return tmp;
}
real(8) function code(u, v, t1)
    real(8), intent (in) :: u
    real(8), intent (in) :: v
    real(8), intent (in) :: t1
    real(8) :: tmp
    if (u <= (-1.5d+170)) then
        tmp = (v / u) * (-0.5d0)
    else if (u <= 6.5d+145) then
        tmp = v / -t1
    else
        tmp = (-0.5d0) / (u / v)
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if (u <= -1.5e+170) {
		tmp = (v / u) * -0.5;
	} else if (u <= 6.5e+145) {
		tmp = v / -t1;
	} else {
		tmp = -0.5 / (u / v);
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if u <= -1.5e+170:
		tmp = (v / u) * -0.5
	elif u <= 6.5e+145:
		tmp = v / -t1
	else:
		tmp = -0.5 / (u / v)
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if (u <= -1.5e+170)
		tmp = Float64(Float64(v / u) * -0.5);
	elseif (u <= 6.5e+145)
		tmp = Float64(v / Float64(-t1));
	else
		tmp = Float64(-0.5 / Float64(u / v));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if (u <= -1.5e+170)
		tmp = (v / u) * -0.5;
	elseif (u <= 6.5e+145)
		tmp = v / -t1;
	else
		tmp = -0.5 / (u / v);
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[LessEqual[u, -1.5e+170], N[(N[(v / u), $MachinePrecision] * -0.5), $MachinePrecision], If[LessEqual[u, 6.5e+145], N[(v / (-t1)), $MachinePrecision], N[(-0.5 / N[(u / v), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -1.5 \cdot 10^{+170}:\\
\;\;\;\;\frac{v}{u} \cdot -0.5\\

\mathbf{elif}\;u \leq 6.5 \cdot 10^{+145}:\\
\;\;\;\;\frac{v}{-t1}\\

\mathbf{else}:\\
\;\;\;\;\frac{-0.5}{\frac{u}{v}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if u < -1.49999999999999998e170

    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*80.1%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out80.1%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in80.1%

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

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac296.8%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified96.8%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*r/100.0%

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

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

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

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

        \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
      6. clear-num99.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(-u\right) - t1}{t1}}} \cdot \frac{v}{t1 + u} \]
      7. frac-2neg99.8%

        \[\leadsto \frac{1}{\frac{\left(-u\right) - t1}{t1}} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
      8. frac-times83.6%

        \[\leadsto \color{blue}{\frac{1 \cdot \left(-v\right)}{\frac{\left(-u\right) - t1}{t1} \cdot \left(-\left(t1 + u\right)\right)}} \]
      9. *-un-lft-identity83.6%

        \[\leadsto \frac{\color{blue}{-v}}{\frac{\left(-u\right) - t1}{t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      10. frac-2neg83.6%

        \[\leadsto \frac{-v}{\color{blue}{\frac{-\left(\left(-u\right) - t1\right)}{-t1}} \cdot \left(-\left(t1 + u\right)\right)} \]
      11. sub-neg83.6%

        \[\leadsto \frac{-v}{\frac{-\color{blue}{\left(\left(-u\right) + \left(-t1\right)\right)}}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      12. distribute-neg-in83.6%

        \[\leadsto \frac{-v}{\frac{-\color{blue}{\left(-\left(u + t1\right)\right)}}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      13. +-commutative83.6%

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

        \[\leadsto \frac{-v}{\frac{\color{blue}{t1 + u}}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      15. add-sqr-sqrt45.5%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      16. sqrt-unprod58.1%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      17. sqr-neg58.1%

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

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      19. add-sqr-sqrt80.1%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{t1}} \cdot \left(-\left(t1 + u\right)\right)} \]
      20. add-sqr-sqrt72.7%

        \[\leadsto \frac{-v}{\frac{t1 + u}{t1} \cdot \color{blue}{\left(\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}\right)}} \]
      21. sqrt-unprod80.1%

        \[\leadsto \frac{-v}{\frac{t1 + u}{t1} \cdot \color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
    6. Applied egg-rr83.6%

      \[\leadsto \color{blue}{\frac{-v}{\frac{t1 + u}{t1} \cdot \left(t1 + u\right)}} \]
    7. Taylor expanded in u around 0 47.9%

      \[\leadsto \frac{-v}{\color{blue}{t1 + 2 \cdot u}} \]
    8. Step-by-step derivation
      1. *-commutative47.9%

        \[\leadsto \frac{-v}{t1 + \color{blue}{u \cdot 2}} \]
    9. Simplified47.9%

      \[\leadsto \frac{-v}{\color{blue}{t1 + u \cdot 2}} \]
    10. Taylor expanded in t1 around 0 44.7%

      \[\leadsto \color{blue}{-0.5 \cdot \frac{v}{u}} \]

    if -1.49999999999999998e170 < u < 6.50000000000000034e145

    1. Initial program 77.4%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*75.1%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out75.1%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in75.1%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*84.8%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac284.8%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified84.8%

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

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

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

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

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

    if 6.50000000000000034e145 < u

    1. Initial program 79.8%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*80.1%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out80.1%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in80.1%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*91.2%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac291.2%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified91.2%

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

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

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

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

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

        \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
      6. clear-num99.9%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(-u\right) - t1}{t1}}} \cdot \frac{v}{t1 + u} \]
      7. frac-2neg99.9%

        \[\leadsto \frac{1}{\frac{\left(-u\right) - t1}{t1}} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
      8. frac-times86.1%

        \[\leadsto \color{blue}{\frac{1 \cdot \left(-v\right)}{\frac{\left(-u\right) - t1}{t1} \cdot \left(-\left(t1 + u\right)\right)}} \]
      9. *-un-lft-identity86.1%

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

        \[\leadsto \frac{-v}{\color{blue}{\frac{-\left(\left(-u\right) - t1\right)}{-t1}} \cdot \left(-\left(t1 + u\right)\right)} \]
      11. sub-neg86.1%

        \[\leadsto \frac{-v}{\frac{-\color{blue}{\left(\left(-u\right) + \left(-t1\right)\right)}}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      12. distribute-neg-in86.1%

        \[\leadsto \frac{-v}{\frac{-\color{blue}{\left(-\left(u + t1\right)\right)}}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      13. +-commutative86.1%

        \[\leadsto \frac{-v}{\frac{-\left(-\color{blue}{\left(t1 + u\right)}\right)}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      14. remove-double-neg86.1%

        \[\leadsto \frac{-v}{\frac{\color{blue}{t1 + u}}{-t1} \cdot \left(-\left(t1 + u\right)\right)} \]
      15. add-sqr-sqrt47.7%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      16. sqrt-unprod59.9%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      17. sqr-neg59.9%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\sqrt{\color{blue}{t1 \cdot t1}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      18. sqrt-unprod30.0%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}} \cdot \left(-\left(t1 + u\right)\right)} \]
      19. add-sqr-sqrt77.1%

        \[\leadsto \frac{-v}{\frac{t1 + u}{\color{blue}{t1}} \cdot \left(-\left(t1 + u\right)\right)} \]
      20. add-sqr-sqrt8.3%

        \[\leadsto \frac{-v}{\frac{t1 + u}{t1} \cdot \color{blue}{\left(\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}\right)}} \]
      21. sqrt-unprod80.1%

        \[\leadsto \frac{-v}{\frac{t1 + u}{t1} \cdot \color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
    6. Applied egg-rr86.1%

      \[\leadsto \color{blue}{\frac{-v}{\frac{t1 + u}{t1} \cdot \left(t1 + u\right)}} \]
    7. Taylor expanded in u around 0 48.0%

      \[\leadsto \frac{-v}{\color{blue}{t1 + 2 \cdot u}} \]
    8. Step-by-step derivation
      1. *-commutative48.0%

        \[\leadsto \frac{-v}{t1 + \color{blue}{u \cdot 2}} \]
    9. Simplified48.0%

      \[\leadsto \frac{-v}{\color{blue}{t1 + u \cdot 2}} \]
    10. Taylor expanded in t1 around 0 39.7%

      \[\leadsto \color{blue}{-0.5 \cdot \frac{v}{u}} \]
    11. Step-by-step derivation
      1. clear-num41.3%

        \[\leadsto -0.5 \cdot \color{blue}{\frac{1}{\frac{u}{v}}} \]
      2. un-div-inv41.3%

        \[\leadsto \color{blue}{\frac{-0.5}{\frac{u}{v}}} \]
    12. Applied egg-rr41.3%

      \[\leadsto \color{blue}{\frac{-0.5}{\frac{u}{v}}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification62.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -1.5 \cdot 10^{+170}:\\ \;\;\;\;\frac{v}{u} \cdot -0.5\\ \mathbf{elif}\;u \leq 6.5 \cdot 10^{+145}:\\ \;\;\;\;\frac{v}{-t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{-0.5}{\frac{u}{v}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 12: 59.2% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -3.8 \cdot 10^{+170} \lor \neg \left(u \leq 1.8 \cdot 10^{+146}\right):\\ \;\;\;\;\frac{v}{u}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= u -3.8e+170) (not (<= u 1.8e+146))) (/ v u) (/ v (- t1))))
double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -3.8e+170) || !(u <= 1.8e+146)) {
		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 <= (-3.8d+170)) .or. (.not. (u <= 1.8d+146))) 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 <= -3.8e+170) || !(u <= 1.8e+146)) {
		tmp = v / u;
	} else {
		tmp = v / -t1;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (u <= -3.8e+170) or not (u <= 1.8e+146):
		tmp = v / u
	else:
		tmp = v / -t1
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((u <= -3.8e+170) || !(u <= 1.8e+146))
		tmp = Float64(v / u);
	else
		tmp = Float64(v / Float64(-t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((u <= -3.8e+170) || ~((u <= 1.8e+146)))
		tmp = v / u;
	else
		tmp = v / -t1;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[u, -3.8e+170], N[Not[LessEqual[u, 1.8e+146]], $MachinePrecision]], N[(v / u), $MachinePrecision], N[(v / (-t1)), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -3.8 \cdot 10^{+170} \lor \neg \left(u \leq 1.8 \cdot 10^{+146}\right):\\
\;\;\;\;\frac{v}{u}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if u < -3.7999999999999998e170 or 1.7999999999999999e146 < u

    1. Initial program 79.8%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*80.1%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out80.1%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in80.1%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*93.7%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac293.7%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified93.7%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-frac-neg293.7%

        \[\leadsto t1 \cdot \color{blue}{\left(-\frac{\frac{v}{t1 + u}}{t1 + u}\right)} \]
      2. distribute-rgt-neg-out93.7%

        \[\leadsto \color{blue}{-t1 \cdot \frac{\frac{v}{t1 + u}}{t1 + u}} \]
      3. associate-/r*80.1%

        \[\leadsto -t1 \cdot \color{blue}{\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      4. distribute-lft-neg-out80.1%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      5. associate-/l*79.8%

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

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

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

        \[\leadsto \color{blue}{\frac{\frac{-t1}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)}} \]
      9. add-sqr-sqrt55.6%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      10. sqrt-unprod63.3%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      11. sqr-neg63.3%

        \[\leadsto \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      12. sqrt-unprod33.5%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      13. add-sqr-sqrt78.2%

        \[\leadsto \frac{\frac{\color{blue}{t1}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      14. add-sqr-sqrt36.6%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}} \]
      15. sqrt-unprod80.1%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
      16. sqr-neg80.1%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}} \]
      17. sqrt-prod54.0%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}} \]
      18. add-sqr-sqrt99.8%

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

      \[\leadsto \color{blue}{\frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{t1 + u}} \]
    7. Taylor expanded in t1 around inf 47.9%

      \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 + u} \]
    8. Step-by-step derivation
      1. mul-1-neg47.9%

        \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    9. Simplified47.9%

      \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    10. Step-by-step derivation
      1. div-inv47.9%

        \[\leadsto \color{blue}{\left(-v\right) \cdot \frac{1}{t1 + u}} \]
      2. add-sqr-sqrt19.2%

        \[\leadsto \color{blue}{\left(\sqrt{-v} \cdot \sqrt{-v}\right)} \cdot \frac{1}{t1 + u} \]
      3. sqrt-unprod46.0%

        \[\leadsto \color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}} \cdot \frac{1}{t1 + u} \]
      4. sqr-neg46.0%

        \[\leadsto \sqrt{\color{blue}{v \cdot v}} \cdot \frac{1}{t1 + u} \]
      5. sqrt-unprod27.0%

        \[\leadsto \color{blue}{\left(\sqrt{v} \cdot \sqrt{v}\right)} \cdot \frac{1}{t1 + u} \]
      6. add-sqr-sqrt45.9%

        \[\leadsto \color{blue}{v} \cdot \frac{1}{t1 + u} \]
      7. frac-2neg45.9%

        \[\leadsto v \cdot \color{blue}{\frac{-1}{-\left(t1 + u\right)}} \]
      8. metadata-eval45.9%

        \[\leadsto v \cdot \frac{\color{blue}{-1}}{-\left(t1 + u\right)} \]
      9. distribute-neg-in45.9%

        \[\leadsto v \cdot \frac{-1}{\color{blue}{\left(-t1\right) + \left(-u\right)}} \]
      10. add-sqr-sqrt29.7%

        \[\leadsto v \cdot \frac{-1}{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}} + \left(-u\right)} \]
      11. sqrt-unprod46.0%

        \[\leadsto v \cdot \frac{-1}{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}} + \left(-u\right)} \]
      12. sqr-neg46.0%

        \[\leadsto v \cdot \frac{-1}{\sqrt{\color{blue}{t1 \cdot t1}} + \left(-u\right)} \]
      13. sqrt-unprod17.7%

        \[\leadsto v \cdot \frac{-1}{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}} + \left(-u\right)} \]
      14. add-sqr-sqrt47.8%

        \[\leadsto v \cdot \frac{-1}{\color{blue}{t1} + \left(-u\right)} \]
      15. sub-neg47.8%

        \[\leadsto v \cdot \frac{-1}{\color{blue}{t1 - u}} \]
    11. Applied egg-rr47.8%

      \[\leadsto \color{blue}{v \cdot \frac{-1}{t1 - u}} \]
    12. Step-by-step derivation
      1. associate-*r/47.8%

        \[\leadsto \color{blue}{\frac{v \cdot -1}{t1 - u}} \]
      2. *-commutative47.8%

        \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 - u} \]
      3. mul-1-neg47.8%

        \[\leadsto \frac{\color{blue}{-v}}{t1 - u} \]
    13. Simplified47.8%

      \[\leadsto \color{blue}{\frac{-v}{t1 - u}} \]
    14. Taylor expanded in t1 around 0 41.7%

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

    if -3.7999999999999998e170 < u < 1.7999999999999999e146

    1. Initial program 77.4%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*75.1%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out75.1%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in75.1%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*84.8%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac284.8%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified84.8%

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

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

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

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

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification61.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -3.8 \cdot 10^{+170} \lor \neg \left(u \leq 1.8 \cdot 10^{+146}\right):\\ \;\;\;\;\frac{v}{u}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 13: 59.2% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;u \leq -1.15 \cdot 10^{+171} \lor \neg \left(u \leq 1.9 \cdot 10^{+146}\right):\\ \;\;\;\;\frac{v}{-u}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= u -1.15e+171) (not (<= u 1.9e+146))) (/ v (- u)) (/ v (- t1))))
double code(double u, double v, double t1) {
	double tmp;
	if ((u <= -1.15e+171) || !(u <= 1.9e+146)) {
		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 <= (-1.15d+171)) .or. (.not. (u <= 1.9d+146))) 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 <= -1.15e+171) || !(u <= 1.9e+146)) {
		tmp = v / -u;
	} else {
		tmp = v / -t1;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (u <= -1.15e+171) or not (u <= 1.9e+146):
		tmp = v / -u
	else:
		tmp = v / -t1
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((u <= -1.15e+171) || !(u <= 1.9e+146))
		tmp = Float64(v / Float64(-u));
	else
		tmp = Float64(v / Float64(-t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if ((u <= -1.15e+171) || ~((u <= 1.9e+146)))
		tmp = v / -u;
	else
		tmp = v / -t1;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[u, -1.15e+171], N[Not[LessEqual[u, 1.9e+146]], $MachinePrecision]], N[(v / (-u)), $MachinePrecision], N[(v / (-t1)), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;u \leq -1.15 \cdot 10^{+171} \lor \neg \left(u \leq 1.9 \cdot 10^{+146}\right):\\
\;\;\;\;\frac{v}{-u}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if u < -1.15000000000000009e171 or 1.8999999999999999e146 < u

    1. Initial program 79.8%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*80.1%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out80.1%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in80.1%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*93.7%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac293.7%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified93.7%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 46.0%

      \[\leadsto t1 \cdot \frac{\color{blue}{\frac{v}{t1}}}{-\left(t1 + u\right)} \]
    6. Taylor expanded in t1 around 0 41.9%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{u}} \]
    7. Step-by-step derivation
      1. associate-*r/41.9%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{u}} \]
      2. mul-1-neg41.9%

        \[\leadsto \frac{\color{blue}{-v}}{u} \]
    8. Simplified41.9%

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

    if -1.15000000000000009e171 < u < 1.8999999999999999e146

    1. Initial program 77.4%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*75.1%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out75.1%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in75.1%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*84.8%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac284.8%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified84.8%

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

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

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

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

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification61.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;u \leq -1.15 \cdot 10^{+171} \lor \neg \left(u \leq 1.9 \cdot 10^{+146}\right):\\ \;\;\;\;\frac{v}{-u}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 14: 23.1% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t1 \leq -2.4 \cdot 10^{+79} \lor \neg \left(t1 \leq 1.7 \cdot 10^{+19}\right):\\ \;\;\;\;\frac{v}{t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (or (<= t1 -2.4e+79) (not (<= t1 1.7e+19))) (/ v t1) (/ v u)))
double code(double u, double v, double t1) {
	double tmp;
	if ((t1 <= -2.4e+79) || !(t1 <= 1.7e+19)) {
		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 <= (-2.4d+79)) .or. (.not. (t1 <= 1.7d+19))) 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 <= -2.4e+79) || !(t1 <= 1.7e+19)) {
		tmp = v / t1;
	} else {
		tmp = v / u;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if (t1 <= -2.4e+79) or not (t1 <= 1.7e+19):
		tmp = v / t1
	else:
		tmp = v / u
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if ((t1 <= -2.4e+79) || !(t1 <= 1.7e+19))
		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 <= -2.4e+79) || ~((t1 <= 1.7e+19)))
		tmp = v / t1;
	else
		tmp = v / u;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[Or[LessEqual[t1, -2.4e+79], N[Not[LessEqual[t1, 1.7e+19]], $MachinePrecision]], N[(v / t1), $MachinePrecision], N[(v / u), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t1 \leq -2.4 \cdot 10^{+79} \lor \neg \left(t1 \leq 1.7 \cdot 10^{+19}\right):\\
\;\;\;\;\frac{v}{t1}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t1 < -2.39999999999999986e79 or 1.7e19 < t1

    1. Initial program 67.2%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*64.6%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out64.6%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in64.6%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*79.0%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac279.0%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified79.0%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 71.1%

      \[\leadsto t1 \cdot \frac{\color{blue}{\frac{v}{t1}}}{-\left(t1 + u\right)} \]
    6. Step-by-step derivation
      1. associate-*r/89.5%

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

        \[\leadsto \color{blue}{\frac{1}{\frac{-\left(t1 + u\right)}{t1 \cdot \frac{v}{t1}}}} \]
      3. add-sqr-sqrt40.8%

        \[\leadsto \frac{1}{\frac{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}}{t1 \cdot \frac{v}{t1}}} \]
      4. sqrt-unprod51.1%

        \[\leadsto \frac{1}{\frac{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}}{t1 \cdot \frac{v}{t1}}} \]
      5. sqr-neg51.1%

        \[\leadsto \frac{1}{\frac{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}}{t1 \cdot \frac{v}{t1}}} \]
      6. sqrt-unprod23.1%

        \[\leadsto \frac{1}{\frac{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}}{t1 \cdot \frac{v}{t1}}} \]
      7. add-sqr-sqrt43.6%

        \[\leadsto \frac{1}{\frac{\color{blue}{t1 + u}}{t1 \cdot \frac{v}{t1}}} \]
    7. Applied egg-rr43.6%

      \[\leadsto \color{blue}{\frac{1}{\frac{t1 + u}{t1 \cdot \frac{v}{t1}}}} \]
    8. Step-by-step derivation
      1. associate-/r/43.6%

        \[\leadsto \color{blue}{\frac{1}{t1 + u} \cdot \left(t1 \cdot \frac{v}{t1}\right)} \]
      2. associate-*r/43.3%

        \[\leadsto \frac{1}{t1 + u} \cdot \color{blue}{\frac{t1 \cdot v}{t1}} \]
      3. associate-*r/43.3%

        \[\leadsto \color{blue}{\frac{\frac{1}{t1 + u} \cdot \left(t1 \cdot v\right)}{t1}} \]
      4. associate-*l/43.3%

        \[\leadsto \frac{\color{blue}{\frac{1 \cdot \left(t1 \cdot v\right)}{t1 + u}}}{t1} \]
      5. *-lft-identity43.3%

        \[\leadsto \frac{\frac{\color{blue}{t1 \cdot v}}{t1 + u}}{t1} \]
      6. *-commutative43.3%

        \[\leadsto \frac{\frac{\color{blue}{v \cdot t1}}{t1 + u}}{t1} \]
      7. associate-/r*45.1%

        \[\leadsto \color{blue}{\frac{v \cdot t1}{\left(t1 + u\right) \cdot t1}} \]
      8. times-frac43.6%

        \[\leadsto \color{blue}{\frac{v}{t1 + u} \cdot \frac{t1}{t1}} \]
      9. *-inverses43.6%

        \[\leadsto \frac{v}{t1 + u} \cdot \color{blue}{1} \]
      10. *-rgt-identity43.6%

        \[\leadsto \color{blue}{\frac{v}{t1 + u}} \]
    9. Simplified43.6%

      \[\leadsto \color{blue}{\frac{v}{t1 + u}} \]
    10. Taylor expanded in t1 around inf 42.1%

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

    if -2.39999999999999986e79 < t1 < 1.7e19

    1. Initial program 86.2%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*85.1%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out85.1%

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

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

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

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

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-frac-neg292.8%

        \[\leadsto t1 \cdot \color{blue}{\left(-\frac{\frac{v}{t1 + u}}{t1 + u}\right)} \]
      2. distribute-rgt-neg-out92.8%

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

        \[\leadsto -t1 \cdot \color{blue}{\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      4. distribute-lft-neg-out85.1%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      5. associate-/l*86.2%

        \[\leadsto \color{blue}{\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      6. times-frac96.0%

        \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
      7. frac-2neg96.0%

        \[\leadsto \frac{-t1}{t1 + u} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
      8. associate-*r/96.6%

        \[\leadsto \color{blue}{\frac{\frac{-t1}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)}} \]
      9. add-sqr-sqrt53.4%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      10. sqrt-unprod59.6%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      11. sqr-neg59.6%

        \[\leadsto \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      12. sqrt-unprod14.2%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      13. add-sqr-sqrt33.1%

        \[\leadsto \frac{\frac{\color{blue}{t1}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      14. add-sqr-sqrt15.4%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}} \]
      15. sqrt-unprod57.2%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
      16. sqr-neg57.2%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}} \]
      17. sqrt-prod46.4%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}} \]
      18. add-sqr-sqrt96.6%

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

      \[\leadsto \color{blue}{\frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{t1 + u}} \]
    7. Taylor expanded in t1 around inf 42.9%

      \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 + u} \]
    8. Step-by-step derivation
      1. mul-1-neg42.9%

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

      \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    10. Step-by-step derivation
      1. div-inv42.8%

        \[\leadsto \color{blue}{\left(-v\right) \cdot \frac{1}{t1 + u}} \]
      2. add-sqr-sqrt21.1%

        \[\leadsto \color{blue}{\left(\sqrt{-v} \cdot \sqrt{-v}\right)} \cdot \frac{1}{t1 + u} \]
      3. sqrt-unprod27.9%

        \[\leadsto \color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}} \cdot \frac{1}{t1 + u} \]
      4. sqr-neg27.9%

        \[\leadsto \sqrt{\color{blue}{v \cdot v}} \cdot \frac{1}{t1 + u} \]
      5. sqrt-unprod9.1%

        \[\leadsto \color{blue}{\left(\sqrt{v} \cdot \sqrt{v}\right)} \cdot \frac{1}{t1 + u} \]
      6. add-sqr-sqrt14.7%

        \[\leadsto \color{blue}{v} \cdot \frac{1}{t1 + u} \]
      7. frac-2neg14.7%

        \[\leadsto v \cdot \color{blue}{\frac{-1}{-\left(t1 + u\right)}} \]
      8. metadata-eval14.7%

        \[\leadsto v \cdot \frac{\color{blue}{-1}}{-\left(t1 + u\right)} \]
      9. distribute-neg-in14.7%

        \[\leadsto v \cdot \frac{-1}{\color{blue}{\left(-t1\right) + \left(-u\right)}} \]
      10. add-sqr-sqrt10.0%

        \[\leadsto v \cdot \frac{-1}{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}} + \left(-u\right)} \]
      11. sqrt-unprod25.5%

        \[\leadsto v \cdot \frac{-1}{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}} + \left(-u\right)} \]
      12. sqr-neg25.5%

        \[\leadsto v \cdot \frac{-1}{\sqrt{\color{blue}{t1 \cdot t1}} + \left(-u\right)} \]
      13. sqrt-unprod16.4%

        \[\leadsto v \cdot \frac{-1}{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}} + \left(-u\right)} \]
      14. add-sqr-sqrt43.9%

        \[\leadsto v \cdot \frac{-1}{\color{blue}{t1} + \left(-u\right)} \]
      15. sub-neg43.9%

        \[\leadsto v \cdot \frac{-1}{\color{blue}{t1 - u}} \]
    11. Applied egg-rr43.9%

      \[\leadsto \color{blue}{v \cdot \frac{-1}{t1 - u}} \]
    12. Step-by-step derivation
      1. associate-*r/44.0%

        \[\leadsto \color{blue}{\frac{v \cdot -1}{t1 - u}} \]
      2. *-commutative44.0%

        \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 - u} \]
      3. mul-1-neg44.0%

        \[\leadsto \frac{\color{blue}{-v}}{t1 - u} \]
    13. Simplified44.0%

      \[\leadsto \color{blue}{\frac{-v}{t1 - u}} \]
    14. Taylor expanded in t1 around 0 16.7%

      \[\leadsto \color{blue}{\frac{v}{u}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification27.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t1 \leq -2.4 \cdot 10^{+79} \lor \neg \left(t1 \leq 1.7 \cdot 10^{+19}\right):\\ \;\;\;\;\frac{v}{t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{u}\\ \end{array} \]
  5. Add Preprocessing

Alternative 15: 97.9% accurate, 1.0× speedup?

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

\\
\frac{t1}{t1 + u} \cdot \frac{v}{\left(-u\right) - t1}
\end{array}
Derivation
  1. Initial program 78.0%

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

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

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

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

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

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

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

    \[\leadsto \color{blue}{\frac{t1}{\left(-u\right) - t1} \cdot \frac{v}{t1 + u}} \]
  4. Add Preprocessing
  5. Final simplification97.7%

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

Alternative 16: 62.4% accurate, 1.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;v \leq 1.05 \cdot 10^{+260}:\\ \;\;\;\;\frac{v}{\left(-u\right) - t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \end{array} \]
(FPCore (u v t1)
 :precision binary64
 (if (<= v 1.05e+260) (/ v (- (- u) t1)) (/ v (- t1))))
double code(double u, double v, double t1) {
	double tmp;
	if (v <= 1.05e+260) {
		tmp = v / (-u - t1);
	} 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 (v <= 1.05d+260) then
        tmp = v / (-u - t1)
    else
        tmp = v / -t1
    end if
    code = tmp
end function
public static double code(double u, double v, double t1) {
	double tmp;
	if (v <= 1.05e+260) {
		tmp = v / (-u - t1);
	} else {
		tmp = v / -t1;
	}
	return tmp;
}
def code(u, v, t1):
	tmp = 0
	if v <= 1.05e+260:
		tmp = v / (-u - t1)
	else:
		tmp = v / -t1
	return tmp
function code(u, v, t1)
	tmp = 0.0
	if (v <= 1.05e+260)
		tmp = Float64(v / Float64(Float64(-u) - t1));
	else
		tmp = Float64(v / Float64(-t1));
	end
	return tmp
end
function tmp_2 = code(u, v, t1)
	tmp = 0.0;
	if (v <= 1.05e+260)
		tmp = v / (-u - t1);
	else
		tmp = v / -t1;
	end
	tmp_2 = tmp;
end
code[u_, v_, t1_] := If[LessEqual[v, 1.05e+260], N[(v / N[((-u) - t1), $MachinePrecision]), $MachinePrecision], N[(v / (-t1)), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;v \leq 1.05 \cdot 10^{+260}:\\
\;\;\;\;\frac{v}{\left(-u\right) - t1}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if v < 1.05000000000000006e260

    1. Initial program 79.1%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*77.6%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out77.6%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in77.6%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      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. Step-by-step derivation
      1. distribute-frac-neg286.5%

        \[\leadsto t1 \cdot \color{blue}{\left(-\frac{\frac{v}{t1 + u}}{t1 + u}\right)} \]
      2. distribute-rgt-neg-out86.5%

        \[\leadsto \color{blue}{-t1 \cdot \frac{\frac{v}{t1 + u}}{t1 + u}} \]
      3. associate-/r*77.6%

        \[\leadsto -t1 \cdot \color{blue}{\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      4. distribute-lft-neg-out77.6%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      5. associate-/l*79.1%

        \[\leadsto \color{blue}{\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      6. times-frac98.3%

        \[\leadsto \color{blue}{\frac{-t1}{t1 + u} \cdot \frac{v}{t1 + u}} \]
      7. frac-2neg98.3%

        \[\leadsto \frac{-t1}{t1 + u} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
      8. associate-*r/98.3%

        \[\leadsto \color{blue}{\frac{\frac{-t1}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)}} \]
      9. add-sqr-sqrt48.8%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      10. sqrt-unprod43.9%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      11. sqr-neg43.9%

        \[\leadsto \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      12. sqrt-unprod20.4%

        \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      13. add-sqr-sqrt40.7%

        \[\leadsto \frac{\frac{\color{blue}{t1}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
      14. add-sqr-sqrt19.1%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}} \]
      15. sqrt-unprod62.6%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
      16. sqr-neg62.6%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}} \]
      17. sqrt-prod51.2%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}} \]
      18. add-sqr-sqrt98.3%

        \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{t1 + u}} \]
    6. Applied egg-rr98.3%

      \[\leadsto \color{blue}{\frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{t1 + u}} \]
    7. Taylor expanded in t1 around inf 63.8%

      \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 + u} \]
    8. Step-by-step derivation
      1. mul-1-neg63.8%

        \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
    9. Simplified63.8%

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

    if 1.05000000000000006e260 < v

    1. Initial program 59.7%

      \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
    2. Step-by-step derivation
      1. associate-/l*55.0%

        \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      2. distribute-lft-neg-out55.0%

        \[\leadsto \color{blue}{-t1 \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
      3. distribute-rgt-neg-in55.0%

        \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
      4. associate-/r*93.8%

        \[\leadsto t1 \cdot \left(-\color{blue}{\frac{\frac{v}{t1 + u}}{t1 + u}}\right) \]
      5. distribute-neg-frac293.8%

        \[\leadsto t1 \cdot \color{blue}{\frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    3. Simplified93.8%

      \[\leadsto \color{blue}{t1 \cdot \frac{\frac{v}{t1 + u}}{-\left(t1 + u\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in t1 around inf 68.5%

      \[\leadsto \color{blue}{-1 \cdot \frac{v}{t1}} \]
    6. Step-by-step derivation
      1. associate-*r/68.5%

        \[\leadsto \color{blue}{\frac{-1 \cdot v}{t1}} \]
      2. neg-mul-168.5%

        \[\leadsto \frac{\color{blue}{-v}}{t1} \]
    7. Simplified68.5%

      \[\leadsto \color{blue}{\frac{-v}{t1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification64.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;v \leq 1.05 \cdot 10^{+260}:\\ \;\;\;\;\frac{v}{\left(-u\right) - t1}\\ \mathbf{else}:\\ \;\;\;\;\frac{v}{-t1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 17: 62.2% 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 78.0%

    \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
  2. Step-by-step derivation
    1. associate-/l*76.3%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    2. distribute-lft-neg-out76.3%

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

      \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
    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. Step-by-step derivation
    1. distribute-frac-neg286.9%

      \[\leadsto t1 \cdot \color{blue}{\left(-\frac{\frac{v}{t1 + u}}{t1 + u}\right)} \]
    2. distribute-rgt-neg-out86.9%

      \[\leadsto \color{blue}{-t1 \cdot \frac{\frac{v}{t1 + u}}{t1 + u}} \]
    3. associate-/r*76.3%

      \[\leadsto -t1 \cdot \color{blue}{\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    4. distribute-lft-neg-out76.3%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    5. associate-/l*78.0%

      \[\leadsto \color{blue}{\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    6. times-frac97.7%

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

      \[\leadsto \frac{-t1}{t1 + u} \cdot \color{blue}{\frac{-v}{-\left(t1 + u\right)}} \]
    8. associate-*r/98.0%

      \[\leadsto \color{blue}{\frac{\frac{-t1}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)}} \]
    9. add-sqr-sqrt49.1%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    10. sqrt-unprod42.6%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    11. sqr-neg42.6%

      \[\leadsto \frac{\frac{\sqrt{\color{blue}{t1 \cdot t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    12. sqrt-unprod19.2%

      \[\leadsto \frac{\frac{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    13. add-sqr-sqrt38.4%

      \[\leadsto \frac{\frac{\color{blue}{t1}}{t1 + u} \cdot \left(-v\right)}{-\left(t1 + u\right)} \]
    14. add-sqr-sqrt18.0%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}} \]
    15. sqrt-unprod60.6%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}} \]
    16. sqr-neg60.6%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}} \]
    17. sqrt-prod50.2%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}} \]
    18. add-sqr-sqrt98.0%

      \[\leadsto \frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{\color{blue}{t1 + u}} \]
  6. Applied egg-rr98.0%

    \[\leadsto \color{blue}{\frac{\frac{t1}{t1 + u} \cdot \left(-v\right)}{t1 + u}} \]
  7. Taylor expanded in t1 around inf 62.9%

    \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 + u} \]
  8. Step-by-step derivation
    1. mul-1-neg62.9%

      \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
  9. Simplified62.9%

    \[\leadsto \frac{\color{blue}{-v}}{t1 + u} \]
  10. Step-by-step derivation
    1. div-inv62.8%

      \[\leadsto \color{blue}{\left(-v\right) \cdot \frac{1}{t1 + u}} \]
    2. add-sqr-sqrt30.9%

      \[\leadsto \color{blue}{\left(\sqrt{-v} \cdot \sqrt{-v}\right)} \cdot \frac{1}{t1 + u} \]
    3. sqrt-unprod39.6%

      \[\leadsto \color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}} \cdot \frac{1}{t1 + u} \]
    4. sqr-neg39.6%

      \[\leadsto \sqrt{\color{blue}{v \cdot v}} \cdot \frac{1}{t1 + u} \]
    5. sqrt-unprod13.8%

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

      \[\leadsto \color{blue}{v} \cdot \frac{1}{t1 + u} \]
    7. frac-2neg27.1%

      \[\leadsto v \cdot \color{blue}{\frac{-1}{-\left(t1 + u\right)}} \]
    8. metadata-eval27.1%

      \[\leadsto v \cdot \frac{\color{blue}{-1}}{-\left(t1 + u\right)} \]
    9. distribute-neg-in27.1%

      \[\leadsto v \cdot \frac{-1}{\color{blue}{\left(-t1\right) + \left(-u\right)}} \]
    10. add-sqr-sqrt14.1%

      \[\leadsto v \cdot \frac{-1}{\color{blue}{\sqrt{-t1} \cdot \sqrt{-t1}} + \left(-u\right)} \]
    11. sqrt-unprod40.1%

      \[\leadsto v \cdot \frac{-1}{\color{blue}{\sqrt{\left(-t1\right) \cdot \left(-t1\right)}} + \left(-u\right)} \]
    12. sqr-neg40.1%

      \[\leadsto v \cdot \frac{-1}{\sqrt{\color{blue}{t1 \cdot t1}} + \left(-u\right)} \]
    13. sqrt-unprod30.3%

      \[\leadsto v \cdot \frac{-1}{\color{blue}{\sqrt{t1} \cdot \sqrt{t1}} + \left(-u\right)} \]
    14. add-sqr-sqrt63.3%

      \[\leadsto v \cdot \frac{-1}{\color{blue}{t1} + \left(-u\right)} \]
    15. sub-neg63.3%

      \[\leadsto v \cdot \frac{-1}{\color{blue}{t1 - u}} \]
  11. Applied egg-rr63.3%

    \[\leadsto \color{blue}{v \cdot \frac{-1}{t1 - u}} \]
  12. Step-by-step derivation
    1. associate-*r/63.4%

      \[\leadsto \color{blue}{\frac{v \cdot -1}{t1 - u}} \]
    2. *-commutative63.4%

      \[\leadsto \frac{\color{blue}{-1 \cdot v}}{t1 - u} \]
    3. mul-1-neg63.4%

      \[\leadsto \frac{\color{blue}{-v}}{t1 - u} \]
  13. Simplified63.4%

    \[\leadsto \color{blue}{\frac{-v}{t1 - u}} \]
  14. Final simplification63.4%

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

Alternative 18: 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 78.0%

    \[\frac{\left(-t1\right) \cdot v}{\left(t1 + u\right) \cdot \left(t1 + u\right)} \]
  2. Step-by-step derivation
    1. associate-/l*76.3%

      \[\leadsto \color{blue}{\left(-t1\right) \cdot \frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}} \]
    2. distribute-lft-neg-out76.3%

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

      \[\leadsto \color{blue}{t1 \cdot \left(-\frac{v}{\left(t1 + u\right) \cdot \left(t1 + u\right)}\right)} \]
    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 inf 53.7%

    \[\leadsto t1 \cdot \frac{\color{blue}{\frac{v}{t1}}}{-\left(t1 + u\right)} \]
  6. Step-by-step derivation
    1. associate-*r/62.9%

      \[\leadsto \color{blue}{\frac{t1 \cdot \frac{v}{t1}}{-\left(t1 + u\right)}} \]
    2. clear-num62.3%

      \[\leadsto \color{blue}{\frac{1}{\frac{-\left(t1 + u\right)}{t1 \cdot \frac{v}{t1}}}} \]
    3. add-sqr-sqrt31.5%

      \[\leadsto \frac{1}{\frac{\color{blue}{\sqrt{-\left(t1 + u\right)} \cdot \sqrt{-\left(t1 + u\right)}}}{t1 \cdot \frac{v}{t1}}} \]
    4. sqrt-unprod44.8%

      \[\leadsto \frac{1}{\frac{\color{blue}{\sqrt{\left(-\left(t1 + u\right)\right) \cdot \left(-\left(t1 + u\right)\right)}}}{t1 \cdot \frac{v}{t1}}} \]
    5. sqr-neg44.8%

      \[\leadsto \frac{1}{\frac{\sqrt{\color{blue}{\left(t1 + u\right) \cdot \left(t1 + u\right)}}}{t1 \cdot \frac{v}{t1}}} \]
    6. sqrt-unprod14.6%

      \[\leadsto \frac{1}{\frac{\color{blue}{\sqrt{t1 + u} \cdot \sqrt{t1 + u}}}{t1 \cdot \frac{v}{t1}}} \]
    7. add-sqr-sqrt27.4%

      \[\leadsto \frac{1}{\frac{\color{blue}{t1 + u}}{t1 \cdot \frac{v}{t1}}} \]
  7. Applied egg-rr27.4%

    \[\leadsto \color{blue}{\frac{1}{\frac{t1 + u}{t1 \cdot \frac{v}{t1}}}} \]
  8. Step-by-step derivation
    1. associate-/r/27.0%

      \[\leadsto \color{blue}{\frac{1}{t1 + u} \cdot \left(t1 \cdot \frac{v}{t1}\right)} \]
    2. associate-*r/30.3%

      \[\leadsto \frac{1}{t1 + u} \cdot \color{blue}{\frac{t1 \cdot v}{t1}} \]
    3. associate-*r/33.9%

      \[\leadsto \color{blue}{\frac{\frac{1}{t1 + u} \cdot \left(t1 \cdot v\right)}{t1}} \]
    4. associate-*l/33.9%

      \[\leadsto \frac{\color{blue}{\frac{1 \cdot \left(t1 \cdot v\right)}{t1 + u}}}{t1} \]
    5. *-lft-identity33.9%

      \[\leadsto \frac{\frac{\color{blue}{t1 \cdot v}}{t1 + u}}{t1} \]
    6. *-commutative33.9%

      \[\leadsto \frac{\frac{\color{blue}{v \cdot t1}}{t1 + u}}{t1} \]
    7. associate-/r*30.6%

      \[\leadsto \color{blue}{\frac{v \cdot t1}{\left(t1 + u\right) \cdot t1}} \]
    8. times-frac27.1%

      \[\leadsto \color{blue}{\frac{v}{t1 + u} \cdot \frac{t1}{t1}} \]
    9. *-inverses27.1%

      \[\leadsto \frac{v}{t1 + u} \cdot \color{blue}{1} \]
    10. *-rgt-identity27.1%

      \[\leadsto \color{blue}{\frac{v}{t1 + u}} \]
  9. Simplified27.1%

    \[\leadsto \color{blue}{\frac{v}{t1 + u}} \]
  10. Taylor expanded in t1 around inf 19.1%

    \[\leadsto \color{blue}{\frac{v}{t1}} \]
  11. Final simplification19.1%

    \[\leadsto \frac{v}{t1} \]
  12. Add Preprocessing

Reproduce

?
herbie shell --seed 2024080 
(FPCore (u v t1)
  :name "Rosa's DopplerBench"
  :precision binary64
  (/ (* (- t1) v) (* (+ t1 u) (+ t1 u))))