Numeric.SpecFunctions:incompleteBetaWorker from math-functions-0.1.5.2, A

Percentage Accurate: 98.3% → 98.3%
Time: 27.8s
Alternatives: 21
Speedup: 1.0×

Specification

?
\[\begin{array}{l} \\ \frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y))
double code(double x, double y, double z, double t, double a, double b) {
	return (x * exp((((y * log(z)) + ((t - 1.0) * log(a))) - b))) / y;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = (x * exp((((y * log(z)) + ((t - 1.0d0) * log(a))) - b))) / y
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	return (x * Math.exp((((y * Math.log(z)) + ((t - 1.0) * Math.log(a))) - b))) / y;
}
def code(x, y, z, t, a, b):
	return (x * math.exp((((y * math.log(z)) + ((t - 1.0) * math.log(a))) - b))) / y
function code(x, y, z, t, a, b)
	return Float64(Float64(x * exp(Float64(Float64(Float64(y * log(z)) + Float64(Float64(t - 1.0) * log(a))) - b))) / y)
end
function tmp = code(x, y, z, t, a, b)
	tmp = (x * exp((((y * log(z)) + ((t - 1.0) * log(a))) - b))) / y;
end
code[x_, y_, z_, t_, a_, b_] := N[(N[(x * N[Exp[N[(N[(N[(y * N[Log[z], $MachinePrecision]), $MachinePrecision] + N[(N[(t - 1.0), $MachinePrecision] * N[Log[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - b), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]
\begin{array}{l}

\\
\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y}
\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 21 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: 98.3% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y))
double code(double x, double y, double z, double t, double a, double b) {
	return (x * exp((((y * log(z)) + ((t - 1.0) * log(a))) - b))) / y;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = (x * exp((((y * log(z)) + ((t - 1.0d0) * log(a))) - b))) / y
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	return (x * Math.exp((((y * Math.log(z)) + ((t - 1.0) * Math.log(a))) - b))) / y;
}
def code(x, y, z, t, a, b):
	return (x * math.exp((((y * math.log(z)) + ((t - 1.0) * math.log(a))) - b))) / y
function code(x, y, z, t, a, b)
	return Float64(Float64(x * exp(Float64(Float64(Float64(y * log(z)) + Float64(Float64(t - 1.0) * log(a))) - b))) / y)
end
function tmp = code(x, y, z, t, a, b)
	tmp = (x * exp((((y * log(z)) + ((t - 1.0) * log(a))) - b))) / y;
end
code[x_, y_, z_, t_, a_, b_] := N[(N[(x * N[Exp[N[(N[(N[(y * N[Log[z], $MachinePrecision]), $MachinePrecision] + N[(N[(t - 1.0), $MachinePrecision] * N[Log[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - b), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]
\begin{array}{l}

\\
\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y}
\end{array}

Alternative 1: 98.3% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \frac{x \cdot e^{\left(y \cdot \log z + \left(t + -1\right) \cdot \log a\right) - b}}{y} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (/ (* x (exp (- (+ (* y (log z)) (* (+ t -1.0) (log a))) b))) y))
double code(double x, double y, double z, double t, double a, double b) {
	return (x * exp((((y * log(z)) + ((t + -1.0) * log(a))) - b))) / y;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = (x * exp((((y * log(z)) + ((t + (-1.0d0)) * log(a))) - b))) / y
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	return (x * Math.exp((((y * Math.log(z)) + ((t + -1.0) * Math.log(a))) - b))) / y;
}
def code(x, y, z, t, a, b):
	return (x * math.exp((((y * math.log(z)) + ((t + -1.0) * math.log(a))) - b))) / y
function code(x, y, z, t, a, b)
	return Float64(Float64(x * exp(Float64(Float64(Float64(y * log(z)) + Float64(Float64(t + -1.0) * log(a))) - b))) / y)
end
function tmp = code(x, y, z, t, a, b)
	tmp = (x * exp((((y * log(z)) + ((t + -1.0) * log(a))) - b))) / y;
end
code[x_, y_, z_, t_, a_, b_] := N[(N[(x * N[Exp[N[(N[(N[(y * N[Log[z], $MachinePrecision]), $MachinePrecision] + N[(N[(t + -1.0), $MachinePrecision] * N[Log[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - b), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]
\begin{array}{l}

\\
\frac{x \cdot e^{\left(y \cdot \log z + \left(t + -1\right) \cdot \log a\right) - b}}{y}
\end{array}
Derivation
  1. Initial program 98.6%

    \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
  2. Add Preprocessing
  3. Final simplification98.6%

    \[\leadsto \frac{x \cdot e^{\left(y \cdot \log z + \left(t + -1\right) \cdot \log a\right) - b}}{y} \]
  4. Add Preprocessing

Alternative 2: 92.9% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t + -1 \leq -1.2 \lor \neg \left(t + -1 \leq -1\right):\\ \;\;\;\;\frac{x \cdot e^{\left(t + -1\right) \cdot \log a - b}}{y}\\ \mathbf{else}:\\ \;\;\;\;\frac{x \cdot e^{\left(y \cdot \log z - \log a\right) - b}}{y}\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (if (or (<= (+ t -1.0) -1.2) (not (<= (+ t -1.0) -1.0)))
   (/ (* x (exp (- (* (+ t -1.0) (log a)) b))) y)
   (/ (* x (exp (- (- (* y (log z)) (log a)) b))) y)))
double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (((t + -1.0) <= -1.2) || !((t + -1.0) <= -1.0)) {
		tmp = (x * exp((((t + -1.0) * log(a)) - b))) / y;
	} else {
		tmp = (x * exp((((y * log(z)) - log(a)) - b))) / y;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if (((t + (-1.0d0)) <= (-1.2d0)) .or. (.not. ((t + (-1.0d0)) <= (-1.0d0)))) then
        tmp = (x * exp((((t + (-1.0d0)) * log(a)) - b))) / y
    else
        tmp = (x * exp((((y * log(z)) - log(a)) - b))) / y
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (((t + -1.0) <= -1.2) || !((t + -1.0) <= -1.0)) {
		tmp = (x * Math.exp((((t + -1.0) * Math.log(a)) - b))) / y;
	} else {
		tmp = (x * Math.exp((((y * Math.log(z)) - Math.log(a)) - b))) / y;
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	tmp = 0
	if ((t + -1.0) <= -1.2) or not ((t + -1.0) <= -1.0):
		tmp = (x * math.exp((((t + -1.0) * math.log(a)) - b))) / y
	else:
		tmp = (x * math.exp((((y * math.log(z)) - math.log(a)) - b))) / y
	return tmp
function code(x, y, z, t, a, b)
	tmp = 0.0
	if ((Float64(t + -1.0) <= -1.2) || !(Float64(t + -1.0) <= -1.0))
		tmp = Float64(Float64(x * exp(Float64(Float64(Float64(t + -1.0) * log(a)) - b))) / y);
	else
		tmp = Float64(Float64(x * exp(Float64(Float64(Float64(y * log(z)) - log(a)) - b))) / y);
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	tmp = 0.0;
	if (((t + -1.0) <= -1.2) || ~(((t + -1.0) <= -1.0)))
		tmp = (x * exp((((t + -1.0) * log(a)) - b))) / y;
	else
		tmp = (x * exp((((y * log(z)) - log(a)) - b))) / y;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := If[Or[LessEqual[N[(t + -1.0), $MachinePrecision], -1.2], N[Not[LessEqual[N[(t + -1.0), $MachinePrecision], -1.0]], $MachinePrecision]], N[(N[(x * N[Exp[N[(N[(N[(t + -1.0), $MachinePrecision] * N[Log[a], $MachinePrecision]), $MachinePrecision] - b), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision], N[(N[(x * N[Exp[N[(N[(N[(y * N[Log[z], $MachinePrecision]), $MachinePrecision] - N[Log[a], $MachinePrecision]), $MachinePrecision] - b), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t + -1 \leq -1.2 \lor \neg \left(t + -1 \leq -1\right):\\
\;\;\;\;\frac{x \cdot e^{\left(t + -1\right) \cdot \log a - b}}{y}\\

\mathbf{else}:\\
\;\;\;\;\frac{x \cdot e^{\left(y \cdot \log z - \log a\right) - b}}{y}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (-.f64 t 1) < -1.19999999999999996 or -1 < (-.f64 t 1)

    1. Initial program 99.9%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Add Preprocessing
    3. Taylor expanded in y around 0 93.1%

      \[\leadsto \frac{x \cdot \color{blue}{e^{\log a \cdot \left(t - 1\right) - b}}}{y} \]

    if -1.19999999999999996 < (-.f64 t 1) < -1

    1. Initial program 96.8%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Add Preprocessing
    3. Taylor expanded in t around 0 96.8%

      \[\leadsto \frac{x \cdot \color{blue}{e^{\left(-1 \cdot \log a + y \cdot \log z\right) - b}}}{y} \]
    4. Step-by-step derivation
      1. +-commutative96.8%

        \[\leadsto \frac{x \cdot e^{\color{blue}{\left(y \cdot \log z + -1 \cdot \log a\right)} - b}}{y} \]
      2. mul-1-neg96.8%

        \[\leadsto \frac{x \cdot e^{\left(y \cdot \log z + \color{blue}{\left(-\log a\right)}\right) - b}}{y} \]
      3. unsub-neg96.8%

        \[\leadsto \frac{x \cdot e^{\color{blue}{\left(y \cdot \log z - \log a\right)} - b}}{y} \]
    5. Simplified96.8%

      \[\leadsto \frac{x \cdot \color{blue}{e^{\left(y \cdot \log z - \log a\right) - b}}}{y} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification94.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t + -1 \leq -1.2 \lor \neg \left(t + -1 \leq -1\right):\\ \;\;\;\;\frac{x \cdot e^{\left(t + -1\right) \cdot \log a - b}}{y}\\ \mathbf{else}:\\ \;\;\;\;\frac{x \cdot e^{\left(y \cdot \log z - \log a\right) - b}}{y}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 86.8% accurate, 1.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -1.6 \cdot 10^{+109} \lor \neg \left(y \leq 3.4 \cdot 10^{+78} \lor \neg \left(y \leq 7.2 \cdot 10^{+162}\right) \land y \leq 1.05 \cdot 10^{+249}\right):\\ \;\;\;\;\frac{x \cdot \frac{{z}^{y}}{a}}{y}\\ \mathbf{else}:\\ \;\;\;\;\frac{x \cdot e^{\left(t + -1\right) \cdot \log a - b}}{y}\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (if (or (<= y -1.6e+109)
         (not
          (or (<= y 3.4e+78) (and (not (<= y 7.2e+162)) (<= y 1.05e+249)))))
   (/ (* x (/ (pow z y) a)) y)
   (/ (* x (exp (- (* (+ t -1.0) (log a)) b))) y)))
double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if ((y <= -1.6e+109) || !((y <= 3.4e+78) || (!(y <= 7.2e+162) && (y <= 1.05e+249)))) {
		tmp = (x * (pow(z, y) / a)) / y;
	} else {
		tmp = (x * exp((((t + -1.0) * log(a)) - b))) / y;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if ((y <= (-1.6d+109)) .or. (.not. (y <= 3.4d+78) .or. (.not. (y <= 7.2d+162)) .and. (y <= 1.05d+249))) then
        tmp = (x * ((z ** y) / a)) / y
    else
        tmp = (x * exp((((t + (-1.0d0)) * log(a)) - b))) / y
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if ((y <= -1.6e+109) || !((y <= 3.4e+78) || (!(y <= 7.2e+162) && (y <= 1.05e+249)))) {
		tmp = (x * (Math.pow(z, y) / a)) / y;
	} else {
		tmp = (x * Math.exp((((t + -1.0) * Math.log(a)) - b))) / y;
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	tmp = 0
	if (y <= -1.6e+109) or not ((y <= 3.4e+78) or (not (y <= 7.2e+162) and (y <= 1.05e+249))):
		tmp = (x * (math.pow(z, y) / a)) / y
	else:
		tmp = (x * math.exp((((t + -1.0) * math.log(a)) - b))) / y
	return tmp
function code(x, y, z, t, a, b)
	tmp = 0.0
	if ((y <= -1.6e+109) || !((y <= 3.4e+78) || (!(y <= 7.2e+162) && (y <= 1.05e+249))))
		tmp = Float64(Float64(x * Float64((z ^ y) / a)) / y);
	else
		tmp = Float64(Float64(x * exp(Float64(Float64(Float64(t + -1.0) * log(a)) - b))) / y);
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	tmp = 0.0;
	if ((y <= -1.6e+109) || ~(((y <= 3.4e+78) || (~((y <= 7.2e+162)) && (y <= 1.05e+249)))))
		tmp = (x * ((z ^ y) / a)) / y;
	else
		tmp = (x * exp((((t + -1.0) * log(a)) - b))) / y;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := If[Or[LessEqual[y, -1.6e+109], N[Not[Or[LessEqual[y, 3.4e+78], And[N[Not[LessEqual[y, 7.2e+162]], $MachinePrecision], LessEqual[y, 1.05e+249]]]], $MachinePrecision]], N[(N[(x * N[(N[Power[z, y], $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision], N[(N[(x * N[Exp[N[(N[(N[(t + -1.0), $MachinePrecision] * N[Log[a], $MachinePrecision]), $MachinePrecision] - b), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.6 \cdot 10^{+109} \lor \neg \left(y \leq 3.4 \cdot 10^{+78} \lor \neg \left(y \leq 7.2 \cdot 10^{+162}\right) \land y \leq 1.05 \cdot 10^{+249}\right):\\
\;\;\;\;\frac{x \cdot \frac{{z}^{y}}{a}}{y}\\

\mathbf{else}:\\
\;\;\;\;\frac{x \cdot e^{\left(t + -1\right) \cdot \log a - b}}{y}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if y < -1.6000000000000001e109 or 3.40000000000000007e78 < y < 7.19999999999999987e162 or 1.0499999999999999e249 < y

    1. Initial program 100.0%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Add Preprocessing
    3. Taylor expanded in t around 0 92.7%

      \[\leadsto \frac{x \cdot \color{blue}{e^{\left(-1 \cdot \log a + y \cdot \log z\right) - b}}}{y} \]
    4. Step-by-step derivation
      1. +-commutative92.7%

        \[\leadsto \frac{x \cdot e^{\color{blue}{\left(y \cdot \log z + -1 \cdot \log a\right)} - b}}{y} \]
      2. mul-1-neg92.7%

        \[\leadsto \frac{x \cdot e^{\left(y \cdot \log z + \color{blue}{\left(-\log a\right)}\right) - b}}{y} \]
      3. unsub-neg92.7%

        \[\leadsto \frac{x \cdot e^{\color{blue}{\left(y \cdot \log z - \log a\right)} - b}}{y} \]
    5. Simplified92.7%

      \[\leadsto \frac{x \cdot \color{blue}{e^{\left(y \cdot \log z - \log a\right) - b}}}{y} \]
    6. Taylor expanded in b around 0 89.7%

      \[\leadsto \frac{x \cdot \color{blue}{e^{y \cdot \log z - \log a}}}{y} \]
    7. Step-by-step derivation
      1. div-exp89.7%

        \[\leadsto \frac{x \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{\log a}}}}{y} \]
      2. *-commutative89.7%

        \[\leadsto \frac{x \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{\log a}}}{y} \]
      3. exp-to-pow89.7%

        \[\leadsto \frac{x \cdot \frac{\color{blue}{{z}^{y}}}{e^{\log a}}}{y} \]
      4. rem-exp-log89.7%

        \[\leadsto \frac{x \cdot \frac{{z}^{y}}{\color{blue}{a}}}{y} \]
    8. Simplified89.7%

      \[\leadsto \frac{x \cdot \color{blue}{\frac{{z}^{y}}{a}}}{y} \]

    if -1.6000000000000001e109 < y < 3.40000000000000007e78 or 7.19999999999999987e162 < y < 1.0499999999999999e249

    1. Initial program 98.1%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Add Preprocessing
    3. Taylor expanded in y around 0 94.5%

      \[\leadsto \frac{x \cdot \color{blue}{e^{\log a \cdot \left(t - 1\right) - b}}}{y} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification93.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -1.6 \cdot 10^{+109} \lor \neg \left(y \leq 3.4 \cdot 10^{+78} \lor \neg \left(y \leq 7.2 \cdot 10^{+162}\right) \land y \leq 1.05 \cdot 10^{+249}\right):\\ \;\;\;\;\frac{x \cdot \frac{{z}^{y}}{a}}{y}\\ \mathbf{else}:\\ \;\;\;\;\frac{x \cdot e^{\left(t + -1\right) \cdot \log a - b}}{y}\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 76.1% accurate, 1.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := y \cdot e^{b}\\ t_2 := \frac{x \cdot {a}^{\left(t + -1\right)}}{y}\\ t_3 := \frac{x \cdot \frac{{z}^{y}}{a}}{y}\\ \mathbf{if}\;t \leq -0.18:\\ \;\;\;\;t_2\\ \mathbf{elif}\;t \leq -1.42 \cdot 10^{-102}:\\ \;\;\;\;\frac{x}{a \cdot t_1}\\ \mathbf{elif}\;t \leq -9 \cdot 10^{-208}:\\ \;\;\;\;t_3\\ \mathbf{elif}\;t \leq 1.52 \cdot 10^{-208}:\\ \;\;\;\;\frac{{z}^{y}}{t_1} \cdot \frac{x}{a}\\ \mathbf{elif}\;t \leq 2 \cdot 10^{+60}:\\ \;\;\;\;t_3\\ \mathbf{else}:\\ \;\;\;\;t_2\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (let* ((t_1 (* y (exp b)))
        (t_2 (/ (* x (pow a (+ t -1.0))) y))
        (t_3 (/ (* x (/ (pow z y) a)) y)))
   (if (<= t -0.18)
     t_2
     (if (<= t -1.42e-102)
       (/ x (* a t_1))
       (if (<= t -9e-208)
         t_3
         (if (<= t 1.52e-208)
           (* (/ (pow z y) t_1) (/ x a))
           (if (<= t 2e+60) t_3 t_2)))))))
double code(double x, double y, double z, double t, double a, double b) {
	double t_1 = y * exp(b);
	double t_2 = (x * pow(a, (t + -1.0))) / y;
	double t_3 = (x * (pow(z, y) / a)) / y;
	double tmp;
	if (t <= -0.18) {
		tmp = t_2;
	} else if (t <= -1.42e-102) {
		tmp = x / (a * t_1);
	} else if (t <= -9e-208) {
		tmp = t_3;
	} else if (t <= 1.52e-208) {
		tmp = (pow(z, y) / t_1) * (x / a);
	} else if (t <= 2e+60) {
		tmp = t_3;
	} else {
		tmp = t_2;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: t_1
    real(8) :: t_2
    real(8) :: t_3
    real(8) :: tmp
    t_1 = y * exp(b)
    t_2 = (x * (a ** (t + (-1.0d0)))) / y
    t_3 = (x * ((z ** y) / a)) / y
    if (t <= (-0.18d0)) then
        tmp = t_2
    else if (t <= (-1.42d-102)) then
        tmp = x / (a * t_1)
    else if (t <= (-9d-208)) then
        tmp = t_3
    else if (t <= 1.52d-208) then
        tmp = ((z ** y) / t_1) * (x / a)
    else if (t <= 2d+60) then
        tmp = t_3
    else
        tmp = t_2
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double t_1 = y * Math.exp(b);
	double t_2 = (x * Math.pow(a, (t + -1.0))) / y;
	double t_3 = (x * (Math.pow(z, y) / a)) / y;
	double tmp;
	if (t <= -0.18) {
		tmp = t_2;
	} else if (t <= -1.42e-102) {
		tmp = x / (a * t_1);
	} else if (t <= -9e-208) {
		tmp = t_3;
	} else if (t <= 1.52e-208) {
		tmp = (Math.pow(z, y) / t_1) * (x / a);
	} else if (t <= 2e+60) {
		tmp = t_3;
	} else {
		tmp = t_2;
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	t_1 = y * math.exp(b)
	t_2 = (x * math.pow(a, (t + -1.0))) / y
	t_3 = (x * (math.pow(z, y) / a)) / y
	tmp = 0
	if t <= -0.18:
		tmp = t_2
	elif t <= -1.42e-102:
		tmp = x / (a * t_1)
	elif t <= -9e-208:
		tmp = t_3
	elif t <= 1.52e-208:
		tmp = (math.pow(z, y) / t_1) * (x / a)
	elif t <= 2e+60:
		tmp = t_3
	else:
		tmp = t_2
	return tmp
function code(x, y, z, t, a, b)
	t_1 = Float64(y * exp(b))
	t_2 = Float64(Float64(x * (a ^ Float64(t + -1.0))) / y)
	t_3 = Float64(Float64(x * Float64((z ^ y) / a)) / y)
	tmp = 0.0
	if (t <= -0.18)
		tmp = t_2;
	elseif (t <= -1.42e-102)
		tmp = Float64(x / Float64(a * t_1));
	elseif (t <= -9e-208)
		tmp = t_3;
	elseif (t <= 1.52e-208)
		tmp = Float64(Float64((z ^ y) / t_1) * Float64(x / a));
	elseif (t <= 2e+60)
		tmp = t_3;
	else
		tmp = t_2;
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	t_1 = y * exp(b);
	t_2 = (x * (a ^ (t + -1.0))) / y;
	t_3 = (x * ((z ^ y) / a)) / y;
	tmp = 0.0;
	if (t <= -0.18)
		tmp = t_2;
	elseif (t <= -1.42e-102)
		tmp = x / (a * t_1);
	elseif (t <= -9e-208)
		tmp = t_3;
	elseif (t <= 1.52e-208)
		tmp = ((z ^ y) / t_1) * (x / a);
	elseif (t <= 2e+60)
		tmp = t_3;
	else
		tmp = t_2;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := Block[{t$95$1 = N[(y * N[Exp[b], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[(x * N[Power[a, N[(t + -1.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]}, Block[{t$95$3 = N[(N[(x * N[(N[Power[z, y], $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]}, If[LessEqual[t, -0.18], t$95$2, If[LessEqual[t, -1.42e-102], N[(x / N[(a * t$95$1), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, -9e-208], t$95$3, If[LessEqual[t, 1.52e-208], N[(N[(N[Power[z, y], $MachinePrecision] / t$95$1), $MachinePrecision] * N[(x / a), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 2e+60], t$95$3, t$95$2]]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := y \cdot e^{b}\\
t_2 := \frac{x \cdot {a}^{\left(t + -1\right)}}{y}\\
t_3 := \frac{x \cdot \frac{{z}^{y}}{a}}{y}\\
\mathbf{if}\;t \leq -0.18:\\
\;\;\;\;t_2\\

\mathbf{elif}\;t \leq -1.42 \cdot 10^{-102}:\\
\;\;\;\;\frac{x}{a \cdot t_1}\\

\mathbf{elif}\;t \leq -9 \cdot 10^{-208}:\\
\;\;\;\;t_3\\

\mathbf{elif}\;t \leq 1.52 \cdot 10^{-208}:\\
\;\;\;\;\frac{{z}^{y}}{t_1} \cdot \frac{x}{a}\\

\mathbf{elif}\;t \leq 2 \cdot 10^{+60}:\\
\;\;\;\;t_3\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if t < -0.17999999999999999 or 1.9999999999999999e60 < t

    1. Initial program 99.9%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Add Preprocessing
    3. Taylor expanded in y around 0 93.8%

      \[\leadsto \frac{x \cdot \color{blue}{e^{\log a \cdot \left(t - 1\right) - b}}}{y} \]
    4. Taylor expanded in b around 0 83.9%

      \[\leadsto \frac{\color{blue}{x \cdot e^{\log a \cdot \left(t - 1\right)}}}{y} \]
    5. Step-by-step derivation
      1. *-commutative83.9%

        \[\leadsto \frac{\color{blue}{e^{\log a \cdot \left(t - 1\right)} \cdot x}}{y} \]
      2. exp-to-pow84.0%

        \[\leadsto \frac{\color{blue}{{a}^{\left(t - 1\right)}} \cdot x}{y} \]
      3. sub-neg84.0%

        \[\leadsto \frac{{a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot x}{y} \]
      4. metadata-eval84.0%

        \[\leadsto \frac{{a}^{\left(t + \color{blue}{-1}\right)} \cdot x}{y} \]
      5. +-commutative84.0%

        \[\leadsto \frac{{a}^{\color{blue}{\left(-1 + t\right)}} \cdot x}{y} \]
    6. Simplified84.0%

      \[\leadsto \frac{\color{blue}{{a}^{\left(-1 + t\right)} \cdot x}}{y} \]

    if -0.17999999999999999 < t < -1.42000000000000009e-102

    1. Initial program 99.2%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/76.1%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative76.1%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative76.1%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+76.1%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum76.1%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative76.1%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow76.3%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg76.3%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval76.3%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff64.3%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative64.3%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow64.3%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified64.3%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 72.0%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac63.9%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified63.9%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 76.7%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]

    if -1.42000000000000009e-102 < t < -8.9999999999999992e-208 or 1.52e-208 < t < 1.9999999999999999e60

    1. Initial program 97.0%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Add Preprocessing
    3. Taylor expanded in t around 0 92.5%

      \[\leadsto \frac{x \cdot \color{blue}{e^{\left(-1 \cdot \log a + y \cdot \log z\right) - b}}}{y} \]
    4. Step-by-step derivation
      1. +-commutative92.5%

        \[\leadsto \frac{x \cdot e^{\color{blue}{\left(y \cdot \log z + -1 \cdot \log a\right)} - b}}{y} \]
      2. mul-1-neg92.5%

        \[\leadsto \frac{x \cdot e^{\left(y \cdot \log z + \color{blue}{\left(-\log a\right)}\right) - b}}{y} \]
      3. unsub-neg92.5%

        \[\leadsto \frac{x \cdot e^{\color{blue}{\left(y \cdot \log z - \log a\right)} - b}}{y} \]
    5. Simplified92.5%

      \[\leadsto \frac{x \cdot \color{blue}{e^{\left(y \cdot \log z - \log a\right) - b}}}{y} \]
    6. Taylor expanded in b around 0 80.9%

      \[\leadsto \frac{x \cdot \color{blue}{e^{y \cdot \log z - \log a}}}{y} \]
    7. Step-by-step derivation
      1. div-exp80.9%

        \[\leadsto \frac{x \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{\log a}}}}{y} \]
      2. *-commutative80.9%

        \[\leadsto \frac{x \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{\log a}}}{y} \]
      3. exp-to-pow80.9%

        \[\leadsto \frac{x \cdot \frac{\color{blue}{{z}^{y}}}{e^{\log a}}}{y} \]
      4. rem-exp-log82.1%

        \[\leadsto \frac{x \cdot \frac{{z}^{y}}{\color{blue}{a}}}{y} \]
    8. Simplified82.1%

      \[\leadsto \frac{x \cdot \color{blue}{\frac{{z}^{y}}{a}}}{y} \]

    if -8.9999999999999992e-208 < t < 1.52e-208

    1. Initial program 96.2%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/90.6%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative90.6%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative90.6%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+90.6%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum90.5%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative90.5%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow91.7%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg91.7%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval91.7%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff83.3%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative83.3%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow83.3%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified83.3%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 88.9%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac89.1%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified89.1%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification83.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -0.18:\\ \;\;\;\;\frac{x \cdot {a}^{\left(t + -1\right)}}{y}\\ \mathbf{elif}\;t \leq -1.42 \cdot 10^{-102}:\\ \;\;\;\;\frac{x}{a \cdot \left(y \cdot e^{b}\right)}\\ \mathbf{elif}\;t \leq -9 \cdot 10^{-208}:\\ \;\;\;\;\frac{x \cdot \frac{{z}^{y}}{a}}{y}\\ \mathbf{elif}\;t \leq 1.52 \cdot 10^{-208}:\\ \;\;\;\;\frac{{z}^{y}}{y \cdot e^{b}} \cdot \frac{x}{a}\\ \mathbf{elif}\;t \leq 2 \cdot 10^{+60}:\\ \;\;\;\;\frac{x \cdot \frac{{z}^{y}}{a}}{y}\\ \mathbf{else}:\\ \;\;\;\;\frac{x \cdot {a}^{\left(t + -1\right)}}{y}\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 80.6% accurate, 1.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{x}{\frac{a}{\frac{{z}^{y}}{y \cdot e^{b}}}}\\ t_2 := \frac{x \cdot {a}^{\left(t + -1\right)}}{y}\\ \mathbf{if}\;t \leq -2.2 \cdot 10^{+56}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;t \leq 6.4 \cdot 10^{-169}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;t \leq 1.45 \cdot 10^{-51}:\\ \;\;\;\;\frac{x}{a} \cdot \frac{{z}^{y}}{y}\\ \mathbf{elif}\;t \leq 3.3 \cdot 10^{+72}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;t_2\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (let* ((t_1 (/ x (/ a (/ (pow z y) (* y (exp b))))))
        (t_2 (/ (* x (pow a (+ t -1.0))) y)))
   (if (<= t -2.2e+56)
     t_2
     (if (<= t 6.4e-169)
       t_1
       (if (<= t 1.45e-51)
         (* (/ x a) (/ (pow z y) y))
         (if (<= t 3.3e+72) t_1 t_2))))))
double code(double x, double y, double z, double t, double a, double b) {
	double t_1 = x / (a / (pow(z, y) / (y * exp(b))));
	double t_2 = (x * pow(a, (t + -1.0))) / y;
	double tmp;
	if (t <= -2.2e+56) {
		tmp = t_2;
	} else if (t <= 6.4e-169) {
		tmp = t_1;
	} else if (t <= 1.45e-51) {
		tmp = (x / a) * (pow(z, y) / y);
	} else if (t <= 3.3e+72) {
		tmp = t_1;
	} else {
		tmp = t_2;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: t_1
    real(8) :: t_2
    real(8) :: tmp
    t_1 = x / (a / ((z ** y) / (y * exp(b))))
    t_2 = (x * (a ** (t + (-1.0d0)))) / y
    if (t <= (-2.2d+56)) then
        tmp = t_2
    else if (t <= 6.4d-169) then
        tmp = t_1
    else if (t <= 1.45d-51) then
        tmp = (x / a) * ((z ** y) / y)
    else if (t <= 3.3d+72) then
        tmp = t_1
    else
        tmp = t_2
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double t_1 = x / (a / (Math.pow(z, y) / (y * Math.exp(b))));
	double t_2 = (x * Math.pow(a, (t + -1.0))) / y;
	double tmp;
	if (t <= -2.2e+56) {
		tmp = t_2;
	} else if (t <= 6.4e-169) {
		tmp = t_1;
	} else if (t <= 1.45e-51) {
		tmp = (x / a) * (Math.pow(z, y) / y);
	} else if (t <= 3.3e+72) {
		tmp = t_1;
	} else {
		tmp = t_2;
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	t_1 = x / (a / (math.pow(z, y) / (y * math.exp(b))))
	t_2 = (x * math.pow(a, (t + -1.0))) / y
	tmp = 0
	if t <= -2.2e+56:
		tmp = t_2
	elif t <= 6.4e-169:
		tmp = t_1
	elif t <= 1.45e-51:
		tmp = (x / a) * (math.pow(z, y) / y)
	elif t <= 3.3e+72:
		tmp = t_1
	else:
		tmp = t_2
	return tmp
function code(x, y, z, t, a, b)
	t_1 = Float64(x / Float64(a / Float64((z ^ y) / Float64(y * exp(b)))))
	t_2 = Float64(Float64(x * (a ^ Float64(t + -1.0))) / y)
	tmp = 0.0
	if (t <= -2.2e+56)
		tmp = t_2;
	elseif (t <= 6.4e-169)
		tmp = t_1;
	elseif (t <= 1.45e-51)
		tmp = Float64(Float64(x / a) * Float64((z ^ y) / y));
	elseif (t <= 3.3e+72)
		tmp = t_1;
	else
		tmp = t_2;
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	t_1 = x / (a / ((z ^ y) / (y * exp(b))));
	t_2 = (x * (a ^ (t + -1.0))) / y;
	tmp = 0.0;
	if (t <= -2.2e+56)
		tmp = t_2;
	elseif (t <= 6.4e-169)
		tmp = t_1;
	elseif (t <= 1.45e-51)
		tmp = (x / a) * ((z ^ y) / y);
	elseif (t <= 3.3e+72)
		tmp = t_1;
	else
		tmp = t_2;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := Block[{t$95$1 = N[(x / N[(a / N[(N[Power[z, y], $MachinePrecision] / N[(y * N[Exp[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[(x * N[Power[a, N[(t + -1.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]}, If[LessEqual[t, -2.2e+56], t$95$2, If[LessEqual[t, 6.4e-169], t$95$1, If[LessEqual[t, 1.45e-51], N[(N[(x / a), $MachinePrecision] * N[(N[Power[z, y], $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 3.3e+72], t$95$1, t$95$2]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \frac{x}{\frac{a}{\frac{{z}^{y}}{y \cdot e^{b}}}}\\
t_2 := \frac{x \cdot {a}^{\left(t + -1\right)}}{y}\\
\mathbf{if}\;t \leq -2.2 \cdot 10^{+56}:\\
\;\;\;\;t_2\\

\mathbf{elif}\;t \leq 6.4 \cdot 10^{-169}:\\
\;\;\;\;t_1\\

\mathbf{elif}\;t \leq 1.45 \cdot 10^{-51}:\\
\;\;\;\;\frac{x}{a} \cdot \frac{{z}^{y}}{y}\\

\mathbf{elif}\;t \leq 3.3 \cdot 10^{+72}:\\
\;\;\;\;t_1\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -2.20000000000000016e56 or 3.3e72 < t

    1. Initial program 100.0%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Add Preprocessing
    3. Taylor expanded in y around 0 94.9%

      \[\leadsto \frac{x \cdot \color{blue}{e^{\log a \cdot \left(t - 1\right) - b}}}{y} \]
    4. Taylor expanded in b around 0 85.4%

      \[\leadsto \frac{\color{blue}{x \cdot e^{\log a \cdot \left(t - 1\right)}}}{y} \]
    5. Step-by-step derivation
      1. *-commutative85.4%

        \[\leadsto \frac{\color{blue}{e^{\log a \cdot \left(t - 1\right)} \cdot x}}{y} \]
      2. exp-to-pow85.4%

        \[\leadsto \frac{\color{blue}{{a}^{\left(t - 1\right)}} \cdot x}{y} \]
      3. sub-neg85.4%

        \[\leadsto \frac{{a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot x}{y} \]
      4. metadata-eval85.4%

        \[\leadsto \frac{{a}^{\left(t + \color{blue}{-1}\right)} \cdot x}{y} \]
      5. +-commutative85.4%

        \[\leadsto \frac{{a}^{\color{blue}{\left(-1 + t\right)}} \cdot x}{y} \]
    6. Simplified85.4%

      \[\leadsto \frac{\color{blue}{{a}^{\left(-1 + t\right)} \cdot x}}{y} \]

    if -2.20000000000000016e56 < t < 6.39999999999999989e-169 or 1.44999999999999986e-51 < t < 3.3e72

    1. Initial program 97.3%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-/l*96.6%

        \[\leadsto \color{blue}{\frac{x}{\frac{y}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}}} \]
      2. associate--l+96.6%

        \[\leadsto \frac{x}{\frac{y}{e^{\color{blue}{y \cdot \log z + \left(\left(t - 1\right) \cdot \log a - b\right)}}}} \]
      3. exp-sum82.9%

        \[\leadsto \frac{x}{\frac{y}{\color{blue}{e^{y \cdot \log z} \cdot e^{\left(t - 1\right) \cdot \log a - b}}}} \]
      4. associate-/r*82.9%

        \[\leadsto \frac{x}{\color{blue}{\frac{\frac{y}{e^{y \cdot \log z}}}{e^{\left(t - 1\right) \cdot \log a - b}}}} \]
      5. *-commutative82.9%

        \[\leadsto \frac{x}{\frac{\frac{y}{e^{\color{blue}{\log z \cdot y}}}}{e^{\left(t - 1\right) \cdot \log a - b}}} \]
      6. exp-to-pow82.9%

        \[\leadsto \frac{x}{\frac{\frac{y}{\color{blue}{{z}^{y}}}}{e^{\left(t - 1\right) \cdot \log a - b}}} \]
      7. exp-diff78.9%

        \[\leadsto \frac{x}{\frac{\frac{y}{{z}^{y}}}{\color{blue}{\frac{e^{\left(t - 1\right) \cdot \log a}}{e^{b}}}}} \]
      8. *-commutative78.9%

        \[\leadsto \frac{x}{\frac{\frac{y}{{z}^{y}}}{\frac{e^{\color{blue}{\log a \cdot \left(t - 1\right)}}}{e^{b}}}} \]
      9. exp-to-pow79.8%

        \[\leadsto \frac{x}{\frac{\frac{y}{{z}^{y}}}{\frac{\color{blue}{{a}^{\left(t - 1\right)}}}{e^{b}}}} \]
      10. sub-neg79.8%

        \[\leadsto \frac{x}{\frac{\frac{y}{{z}^{y}}}{\frac{{a}^{\color{blue}{\left(t + \left(-1\right)\right)}}}{e^{b}}}} \]
      11. metadata-eval79.8%

        \[\leadsto \frac{x}{\frac{\frac{y}{{z}^{y}}}{\frac{{a}^{\left(t + \color{blue}{-1}\right)}}{e^{b}}}} \]
    3. Simplified79.8%

      \[\leadsto \color{blue}{\frac{x}{\frac{\frac{y}{{z}^{y}}}{\frac{{a}^{\left(t + -1\right)}}{e^{b}}}}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 81.6%

      \[\leadsto \frac{x}{\color{blue}{\frac{a \cdot \left(y \cdot e^{b}\right)}{{z}^{y}}}} \]
    6. Step-by-step derivation
      1. associate-/l*83.1%

        \[\leadsto \frac{x}{\color{blue}{\frac{a}{\frac{{z}^{y}}{y \cdot e^{b}}}}} \]
    7. Simplified83.1%

      \[\leadsto \frac{x}{\color{blue}{\frac{a}{\frac{{z}^{y}}{y \cdot e^{b}}}}} \]

    if 6.39999999999999989e-169 < t < 1.44999999999999986e-51

    1. Initial program 98.0%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/92.1%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative92.1%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative92.1%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+92.1%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum92.1%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative92.1%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow93.8%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg93.8%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval93.8%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff70.3%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative70.3%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow70.3%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified70.3%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 70.9%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac76.4%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified76.4%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in b around 0 94.4%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot y}} \]
    9. Step-by-step derivation
      1. times-frac99.9%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y}} \]
    10. Simplified99.9%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification85.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -2.2 \cdot 10^{+56}:\\ \;\;\;\;\frac{x \cdot {a}^{\left(t + -1\right)}}{y}\\ \mathbf{elif}\;t \leq 6.4 \cdot 10^{-169}:\\ \;\;\;\;\frac{x}{\frac{a}{\frac{{z}^{y}}{y \cdot e^{b}}}}\\ \mathbf{elif}\;t \leq 1.45 \cdot 10^{-51}:\\ \;\;\;\;\frac{x}{a} \cdot \frac{{z}^{y}}{y}\\ \mathbf{elif}\;t \leq 3.3 \cdot 10^{+72}:\\ \;\;\;\;\frac{x}{\frac{a}{\frac{{z}^{y}}{y \cdot e^{b}}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{x \cdot {a}^{\left(t + -1\right)}}{y}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 82.4% accurate, 1.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq -1.3 \cdot 10^{+131} \lor \neg \left(b \leq 4.3\right):\\ \;\;\;\;\frac{x}{a \cdot \left(y \cdot e^{b}\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{\frac{\frac{y}{{z}^{y}}}{{a}^{\left(t + -1\right)}}}\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (if (or (<= b -1.3e+131) (not (<= b 4.3)))
   (/ x (* a (* y (exp b))))
   (/ x (/ (/ y (pow z y)) (pow a (+ t -1.0))))))
double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if ((b <= -1.3e+131) || !(b <= 4.3)) {
		tmp = x / (a * (y * exp(b)));
	} else {
		tmp = x / ((y / pow(z, y)) / pow(a, (t + -1.0)));
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if ((b <= (-1.3d+131)) .or. (.not. (b <= 4.3d0))) then
        tmp = x / (a * (y * exp(b)))
    else
        tmp = x / ((y / (z ** y)) / (a ** (t + (-1.0d0))))
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if ((b <= -1.3e+131) || !(b <= 4.3)) {
		tmp = x / (a * (y * Math.exp(b)));
	} else {
		tmp = x / ((y / Math.pow(z, y)) / Math.pow(a, (t + -1.0)));
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	tmp = 0
	if (b <= -1.3e+131) or not (b <= 4.3):
		tmp = x / (a * (y * math.exp(b)))
	else:
		tmp = x / ((y / math.pow(z, y)) / math.pow(a, (t + -1.0)))
	return tmp
function code(x, y, z, t, a, b)
	tmp = 0.0
	if ((b <= -1.3e+131) || !(b <= 4.3))
		tmp = Float64(x / Float64(a * Float64(y * exp(b))));
	else
		tmp = Float64(x / Float64(Float64(y / (z ^ y)) / (a ^ Float64(t + -1.0))));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	tmp = 0.0;
	if ((b <= -1.3e+131) || ~((b <= 4.3)))
		tmp = x / (a * (y * exp(b)));
	else
		tmp = x / ((y / (z ^ y)) / (a ^ (t + -1.0)));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := If[Or[LessEqual[b, -1.3e+131], N[Not[LessEqual[b, 4.3]], $MachinePrecision]], N[(x / N[(a * N[(y * N[Exp[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x / N[(N[(y / N[Power[z, y], $MachinePrecision]), $MachinePrecision] / N[Power[a, N[(t + -1.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq -1.3 \cdot 10^{+131} \lor \neg \left(b \leq 4.3\right):\\
\;\;\;\;\frac{x}{a \cdot \left(y \cdot e^{b}\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{x}{\frac{\frac{y}{{z}^{y}}}{{a}^{\left(t + -1\right)}}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if b < -1.3e131 or 4.29999999999999982 < b

    1. Initial program 99.9%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/86.7%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative86.7%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative86.7%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+86.7%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum59.3%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative59.3%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow59.4%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg59.4%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval59.4%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff48.1%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative48.1%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow48.1%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified48.1%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 69.9%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac65.2%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified65.2%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 84.2%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]

    if -1.3e131 < b < 4.29999999999999982

    1. Initial program 97.6%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/84.3%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative84.3%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative84.3%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+84.3%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum69.7%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative69.7%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow70.6%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg70.6%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval70.6%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff68.6%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative68.6%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow68.7%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified68.7%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in b around 0 81.6%

      \[\leadsto \color{blue}{\frac{x \cdot \left(e^{\log a \cdot \left(t - 1\right)} \cdot {z}^{y}\right)}{y}} \]
    6. Step-by-step derivation
      1. associate-/l*80.5%

        \[\leadsto \color{blue}{\frac{x}{\frac{y}{e^{\log a \cdot \left(t - 1\right)} \cdot {z}^{y}}}} \]
      2. exp-to-pow81.4%

        \[\leadsto \frac{x}{\frac{y}{\color{blue}{{a}^{\left(t - 1\right)}} \cdot {z}^{y}}} \]
      3. sub-neg81.4%

        \[\leadsto \frac{x}{\frac{y}{{a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot {z}^{y}}} \]
      4. metadata-eval81.4%

        \[\leadsto \frac{x}{\frac{y}{{a}^{\left(t + \color{blue}{-1}\right)} \cdot {z}^{y}}} \]
      5. associate-/l/81.4%

        \[\leadsto \frac{x}{\color{blue}{\frac{\frac{y}{{z}^{y}}}{{a}^{\left(t + -1\right)}}}} \]
    7. Simplified81.4%

      \[\leadsto \color{blue}{\frac{x}{\frac{\frac{y}{{z}^{y}}}{{a}^{\left(t + -1\right)}}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification82.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq -1.3 \cdot 10^{+131} \lor \neg \left(b \leq 4.3\right):\\ \;\;\;\;\frac{x}{a \cdot \left(y \cdot e^{b}\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{\frac{\frac{y}{{z}^{y}}}{{a}^{\left(t + -1\right)}}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 77.5% accurate, 1.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{x \cdot {a}^{\left(t + -1\right)}}{y}\\ \mathbf{if}\;t \leq -0.3:\\ \;\;\;\;t_1\\ \mathbf{elif}\;t \leq 1.3 \cdot 10^{-173}:\\ \;\;\;\;\frac{{z}^{y}}{a \cdot e^{b}} \cdot \frac{x}{y}\\ \mathbf{elif}\;t \leq 8 \cdot 10^{+63}:\\ \;\;\;\;\frac{x \cdot \frac{{z}^{y}}{a}}{y}\\ \mathbf{else}:\\ \;\;\;\;t_1\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (let* ((t_1 (/ (* x (pow a (+ t -1.0))) y)))
   (if (<= t -0.3)
     t_1
     (if (<= t 1.3e-173)
       (* (/ (pow z y) (* a (exp b))) (/ x y))
       (if (<= t 8e+63) (/ (* x (/ (pow z y) a)) y) t_1)))))
double code(double x, double y, double z, double t, double a, double b) {
	double t_1 = (x * pow(a, (t + -1.0))) / y;
	double tmp;
	if (t <= -0.3) {
		tmp = t_1;
	} else if (t <= 1.3e-173) {
		tmp = (pow(z, y) / (a * exp(b))) * (x / y);
	} else if (t <= 8e+63) {
		tmp = (x * (pow(z, y) / a)) / y;
	} else {
		tmp = t_1;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: t_1
    real(8) :: tmp
    t_1 = (x * (a ** (t + (-1.0d0)))) / y
    if (t <= (-0.3d0)) then
        tmp = t_1
    else if (t <= 1.3d-173) then
        tmp = ((z ** y) / (a * exp(b))) * (x / y)
    else if (t <= 8d+63) then
        tmp = (x * ((z ** y) / a)) / y
    else
        tmp = t_1
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double t_1 = (x * Math.pow(a, (t + -1.0))) / y;
	double tmp;
	if (t <= -0.3) {
		tmp = t_1;
	} else if (t <= 1.3e-173) {
		tmp = (Math.pow(z, y) / (a * Math.exp(b))) * (x / y);
	} else if (t <= 8e+63) {
		tmp = (x * (Math.pow(z, y) / a)) / y;
	} else {
		tmp = t_1;
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	t_1 = (x * math.pow(a, (t + -1.0))) / y
	tmp = 0
	if t <= -0.3:
		tmp = t_1
	elif t <= 1.3e-173:
		tmp = (math.pow(z, y) / (a * math.exp(b))) * (x / y)
	elif t <= 8e+63:
		tmp = (x * (math.pow(z, y) / a)) / y
	else:
		tmp = t_1
	return tmp
function code(x, y, z, t, a, b)
	t_1 = Float64(Float64(x * (a ^ Float64(t + -1.0))) / y)
	tmp = 0.0
	if (t <= -0.3)
		tmp = t_1;
	elseif (t <= 1.3e-173)
		tmp = Float64(Float64((z ^ y) / Float64(a * exp(b))) * Float64(x / y));
	elseif (t <= 8e+63)
		tmp = Float64(Float64(x * Float64((z ^ y) / a)) / y);
	else
		tmp = t_1;
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	t_1 = (x * (a ^ (t + -1.0))) / y;
	tmp = 0.0;
	if (t <= -0.3)
		tmp = t_1;
	elseif (t <= 1.3e-173)
		tmp = ((z ^ y) / (a * exp(b))) * (x / y);
	elseif (t <= 8e+63)
		tmp = (x * ((z ^ y) / a)) / y;
	else
		tmp = t_1;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := Block[{t$95$1 = N[(N[(x * N[Power[a, N[(t + -1.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]}, If[LessEqual[t, -0.3], t$95$1, If[LessEqual[t, 1.3e-173], N[(N[(N[Power[z, y], $MachinePrecision] / N[(a * N[Exp[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(x / y), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 8e+63], N[(N[(x * N[(N[Power[z, y], $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision], t$95$1]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \frac{x \cdot {a}^{\left(t + -1\right)}}{y}\\
\mathbf{if}\;t \leq -0.3:\\
\;\;\;\;t_1\\

\mathbf{elif}\;t \leq 1.3 \cdot 10^{-173}:\\
\;\;\;\;\frac{{z}^{y}}{a \cdot e^{b}} \cdot \frac{x}{y}\\

\mathbf{elif}\;t \leq 8 \cdot 10^{+63}:\\
\;\;\;\;\frac{x \cdot \frac{{z}^{y}}{a}}{y}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -0.299999999999999989 or 8.00000000000000046e63 < t

    1. Initial program 99.9%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Add Preprocessing
    3. Taylor expanded in y around 0 93.8%

      \[\leadsto \frac{x \cdot \color{blue}{e^{\log a \cdot \left(t - 1\right) - b}}}{y} \]
    4. Taylor expanded in b around 0 83.9%

      \[\leadsto \frac{\color{blue}{x \cdot e^{\log a \cdot \left(t - 1\right)}}}{y} \]
    5. Step-by-step derivation
      1. *-commutative83.9%

        \[\leadsto \frac{\color{blue}{e^{\log a \cdot \left(t - 1\right)} \cdot x}}{y} \]
      2. exp-to-pow84.0%

        \[\leadsto \frac{\color{blue}{{a}^{\left(t - 1\right)}} \cdot x}{y} \]
      3. sub-neg84.0%

        \[\leadsto \frac{{a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot x}{y} \]
      4. metadata-eval84.0%

        \[\leadsto \frac{{a}^{\left(t + \color{blue}{-1}\right)} \cdot x}{y} \]
      5. +-commutative84.0%

        \[\leadsto \frac{{a}^{\color{blue}{\left(-1 + t\right)}} \cdot x}{y} \]
    6. Simplified84.0%

      \[\leadsto \frac{\color{blue}{{a}^{\left(-1 + t\right)} \cdot x}}{y} \]

    if -0.299999999999999989 < t < 1.30000000000000002e-173

    1. Initial program 96.5%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/88.5%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative88.5%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative88.5%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+88.5%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum88.5%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative88.5%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow89.7%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg89.7%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval89.7%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff81.6%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative81.6%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow81.6%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified81.6%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 81.6%

      \[\leadsto \color{blue}{\frac{{z}^{y}}{a \cdot e^{b}}} \cdot \frac{x}{y} \]

    if 1.30000000000000002e-173 < t < 8.00000000000000046e63

    1. Initial program 98.8%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Add Preprocessing
    3. Taylor expanded in t around 0 91.5%

      \[\leadsto \frac{x \cdot \color{blue}{e^{\left(-1 \cdot \log a + y \cdot \log z\right) - b}}}{y} \]
    4. Step-by-step derivation
      1. +-commutative91.5%

        \[\leadsto \frac{x \cdot e^{\color{blue}{\left(y \cdot \log z + -1 \cdot \log a\right)} - b}}{y} \]
      2. mul-1-neg91.5%

        \[\leadsto \frac{x \cdot e^{\left(y \cdot \log z + \color{blue}{\left(-\log a\right)}\right) - b}}{y} \]
      3. unsub-neg91.5%

        \[\leadsto \frac{x \cdot e^{\color{blue}{\left(y \cdot \log z - \log a\right)} - b}}{y} \]
    5. Simplified91.5%

      \[\leadsto \frac{x \cdot \color{blue}{e^{\left(y \cdot \log z - \log a\right) - b}}}{y} \]
    6. Taylor expanded in b around 0 76.8%

      \[\leadsto \frac{x \cdot \color{blue}{e^{y \cdot \log z - \log a}}}{y} \]
    7. Step-by-step derivation
      1. div-exp76.8%

        \[\leadsto \frac{x \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{\log a}}}}{y} \]
      2. *-commutative76.8%

        \[\leadsto \frac{x \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{\log a}}}{y} \]
      3. exp-to-pow76.8%

        \[\leadsto \frac{x \cdot \frac{\color{blue}{{z}^{y}}}{e^{\log a}}}{y} \]
      4. rem-exp-log77.8%

        \[\leadsto \frac{x \cdot \frac{{z}^{y}}{\color{blue}{a}}}{y} \]
    8. Simplified77.8%

      \[\leadsto \frac{x \cdot \color{blue}{\frac{{z}^{y}}{a}}}{y} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification82.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -0.3:\\ \;\;\;\;\frac{x \cdot {a}^{\left(t + -1\right)}}{y}\\ \mathbf{elif}\;t \leq 1.3 \cdot 10^{-173}:\\ \;\;\;\;\frac{{z}^{y}}{a \cdot e^{b}} \cdot \frac{x}{y}\\ \mathbf{elif}\;t \leq 8 \cdot 10^{+63}:\\ \;\;\;\;\frac{x \cdot \frac{{z}^{y}}{a}}{y}\\ \mathbf{else}:\\ \;\;\;\;\frac{x \cdot {a}^{\left(t + -1\right)}}{y}\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 71.4% accurate, 2.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq -8 \cdot 10^{+97} \lor \neg \left(b \leq 4.3\right):\\ \;\;\;\;\frac{x}{a \cdot \left(y \cdot e^{b}\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{a} \cdot \frac{{z}^{y}}{y}\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (if (or (<= b -8e+97) (not (<= b 4.3)))
   (/ x (* a (* y (exp b))))
   (* (/ x a) (/ (pow z y) y))))
double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if ((b <= -8e+97) || !(b <= 4.3)) {
		tmp = x / (a * (y * exp(b)));
	} else {
		tmp = (x / a) * (pow(z, y) / y);
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if ((b <= (-8d+97)) .or. (.not. (b <= 4.3d0))) then
        tmp = x / (a * (y * exp(b)))
    else
        tmp = (x / a) * ((z ** y) / y)
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if ((b <= -8e+97) || !(b <= 4.3)) {
		tmp = x / (a * (y * Math.exp(b)));
	} else {
		tmp = (x / a) * (Math.pow(z, y) / y);
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	tmp = 0
	if (b <= -8e+97) or not (b <= 4.3):
		tmp = x / (a * (y * math.exp(b)))
	else:
		tmp = (x / a) * (math.pow(z, y) / y)
	return tmp
function code(x, y, z, t, a, b)
	tmp = 0.0
	if ((b <= -8e+97) || !(b <= 4.3))
		tmp = Float64(x / Float64(a * Float64(y * exp(b))));
	else
		tmp = Float64(Float64(x / a) * Float64((z ^ y) / y));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	tmp = 0.0;
	if ((b <= -8e+97) || ~((b <= 4.3)))
		tmp = x / (a * (y * exp(b)));
	else
		tmp = (x / a) * ((z ^ y) / y);
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := If[Or[LessEqual[b, -8e+97], N[Not[LessEqual[b, 4.3]], $MachinePrecision]], N[(x / N[(a * N[(y * N[Exp[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(x / a), $MachinePrecision] * N[(N[Power[z, y], $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq -8 \cdot 10^{+97} \lor \neg \left(b \leq 4.3\right):\\
\;\;\;\;\frac{x}{a \cdot \left(y \cdot e^{b}\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{x}{a} \cdot \frac{{z}^{y}}{y}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if b < -8.0000000000000006e97 or 4.29999999999999982 < b

    1. Initial program 99.9%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/87.2%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative87.2%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative87.2%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+87.2%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum60.1%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative60.1%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow60.2%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg60.2%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval60.2%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff49.1%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative49.1%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow49.1%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified49.1%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 68.8%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac63.7%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified63.7%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 82.5%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]

    if -8.0000000000000006e97 < b < 4.29999999999999982

    1. Initial program 97.4%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/83.7%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative83.7%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative83.7%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+83.7%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum69.9%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative69.9%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow71.0%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg71.0%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval71.0%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff69.5%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative69.5%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow69.6%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified69.6%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 63.0%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac61.7%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified61.7%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in b around 0 64.5%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot y}} \]
    9. Step-by-step derivation
      1. times-frac63.2%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y}} \]
    10. Simplified63.2%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification72.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq -8 \cdot 10^{+97} \lor \neg \left(b \leq 4.3\right):\\ \;\;\;\;\frac{x}{a \cdot \left(y \cdot e^{b}\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{a} \cdot \frac{{z}^{y}}{y}\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 74.4% accurate, 2.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq -2.05 \cdot 10^{+98} \lor \neg \left(b \leq 46\right):\\ \;\;\;\;\frac{x}{a \cdot \left(y \cdot e^{b}\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{x \cdot \frac{{z}^{y}}{a}}{y}\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (if (or (<= b -2.05e+98) (not (<= b 46.0)))
   (/ x (* a (* y (exp b))))
   (/ (* x (/ (pow z y) a)) y)))
double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if ((b <= -2.05e+98) || !(b <= 46.0)) {
		tmp = x / (a * (y * exp(b)));
	} else {
		tmp = (x * (pow(z, y) / a)) / y;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if ((b <= (-2.05d+98)) .or. (.not. (b <= 46.0d0))) then
        tmp = x / (a * (y * exp(b)))
    else
        tmp = (x * ((z ** y) / a)) / y
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if ((b <= -2.05e+98) || !(b <= 46.0)) {
		tmp = x / (a * (y * Math.exp(b)));
	} else {
		tmp = (x * (Math.pow(z, y) / a)) / y;
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	tmp = 0
	if (b <= -2.05e+98) or not (b <= 46.0):
		tmp = x / (a * (y * math.exp(b)))
	else:
		tmp = (x * (math.pow(z, y) / a)) / y
	return tmp
function code(x, y, z, t, a, b)
	tmp = 0.0
	if ((b <= -2.05e+98) || !(b <= 46.0))
		tmp = Float64(x / Float64(a * Float64(y * exp(b))));
	else
		tmp = Float64(Float64(x * Float64((z ^ y) / a)) / y);
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	tmp = 0.0;
	if ((b <= -2.05e+98) || ~((b <= 46.0)))
		tmp = x / (a * (y * exp(b)));
	else
		tmp = (x * ((z ^ y) / a)) / y;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := If[Or[LessEqual[b, -2.05e+98], N[Not[LessEqual[b, 46.0]], $MachinePrecision]], N[(x / N[(a * N[(y * N[Exp[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(x * N[(N[Power[z, y], $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq -2.05 \cdot 10^{+98} \lor \neg \left(b \leq 46\right):\\
\;\;\;\;\frac{x}{a \cdot \left(y \cdot e^{b}\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{x \cdot \frac{{z}^{y}}{a}}{y}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if b < -2.05e98 or 46 < b

    1. Initial program 99.9%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/87.1%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative87.1%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative87.1%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+87.1%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum60.6%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative60.6%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow60.7%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg60.7%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval60.7%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff49.6%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative49.6%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow49.6%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified49.6%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 68.5%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac64.2%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified64.2%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 83.2%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]

    if -2.05e98 < b < 46

    1. Initial program 97.4%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Add Preprocessing
    3. Taylor expanded in t around 0 68.1%

      \[\leadsto \frac{x \cdot \color{blue}{e^{\left(-1 \cdot \log a + y \cdot \log z\right) - b}}}{y} \]
    4. Step-by-step derivation
      1. +-commutative68.1%

        \[\leadsto \frac{x \cdot e^{\color{blue}{\left(y \cdot \log z + -1 \cdot \log a\right)} - b}}{y} \]
      2. mul-1-neg68.1%

        \[\leadsto \frac{x \cdot e^{\left(y \cdot \log z + \color{blue}{\left(-\log a\right)}\right) - b}}{y} \]
      3. unsub-neg68.1%

        \[\leadsto \frac{x \cdot e^{\color{blue}{\left(y \cdot \log z - \log a\right)} - b}}{y} \]
    5. Simplified68.1%

      \[\leadsto \frac{x \cdot \color{blue}{e^{\left(y \cdot \log z - \log a\right) - b}}}{y} \]
    6. Taylor expanded in b around 0 67.4%

      \[\leadsto \frac{x \cdot \color{blue}{e^{y \cdot \log z - \log a}}}{y} \]
    7. Step-by-step derivation
      1. div-exp67.4%

        \[\leadsto \frac{x \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{\log a}}}}{y} \]
      2. *-commutative67.4%

        \[\leadsto \frac{x \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{\log a}}}{y} \]
      3. exp-to-pow67.4%

        \[\leadsto \frac{x \cdot \frac{\color{blue}{{z}^{y}}}{e^{\log a}}}{y} \]
      4. rem-exp-log68.4%

        \[\leadsto \frac{x \cdot \frac{{z}^{y}}{\color{blue}{a}}}{y} \]
    8. Simplified68.4%

      \[\leadsto \frac{x \cdot \color{blue}{\frac{{z}^{y}}{a}}}{y} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification75.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq -2.05 \cdot 10^{+98} \lor \neg \left(b \leq 46\right):\\ \;\;\;\;\frac{x}{a \cdot \left(y \cdot e^{b}\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{x \cdot \frac{{z}^{y}}{a}}{y}\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 74.0% accurate, 2.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq -9 \cdot 10^{+95} \lor \neg \left(b \leq 4.3\right):\\ \;\;\;\;\frac{x}{a \cdot \left(y \cdot e^{b}\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{x \cdot {a}^{\left(t + -1\right)}}{y}\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (if (or (<= b -9e+95) (not (<= b 4.3)))
   (/ x (* a (* y (exp b))))
   (/ (* x (pow a (+ t -1.0))) y)))
double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if ((b <= -9e+95) || !(b <= 4.3)) {
		tmp = x / (a * (y * exp(b)));
	} else {
		tmp = (x * pow(a, (t + -1.0))) / y;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if ((b <= (-9d+95)) .or. (.not. (b <= 4.3d0))) then
        tmp = x / (a * (y * exp(b)))
    else
        tmp = (x * (a ** (t + (-1.0d0)))) / y
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if ((b <= -9e+95) || !(b <= 4.3)) {
		tmp = x / (a * (y * Math.exp(b)));
	} else {
		tmp = (x * Math.pow(a, (t + -1.0))) / y;
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	tmp = 0
	if (b <= -9e+95) or not (b <= 4.3):
		tmp = x / (a * (y * math.exp(b)))
	else:
		tmp = (x * math.pow(a, (t + -1.0))) / y
	return tmp
function code(x, y, z, t, a, b)
	tmp = 0.0
	if ((b <= -9e+95) || !(b <= 4.3))
		tmp = Float64(x / Float64(a * Float64(y * exp(b))));
	else
		tmp = Float64(Float64(x * (a ^ Float64(t + -1.0))) / y);
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	tmp = 0.0;
	if ((b <= -9e+95) || ~((b <= 4.3)))
		tmp = x / (a * (y * exp(b)));
	else
		tmp = (x * (a ^ (t + -1.0))) / y;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := If[Or[LessEqual[b, -9e+95], N[Not[LessEqual[b, 4.3]], $MachinePrecision]], N[(x / N[(a * N[(y * N[Exp[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(x * N[Power[a, N[(t + -1.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq -9 \cdot 10^{+95} \lor \neg \left(b \leq 4.3\right):\\
\;\;\;\;\frac{x}{a \cdot \left(y \cdot e^{b}\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{x \cdot {a}^{\left(t + -1\right)}}{y}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if b < -9.00000000000000033e95 or 4.29999999999999982 < b

    1. Initial program 99.9%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/87.2%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative87.2%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative87.2%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+87.2%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum60.1%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative60.1%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow60.2%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg60.2%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval60.2%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff49.1%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative49.1%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow49.1%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified49.1%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 68.8%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac63.7%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified63.7%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 82.5%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]

    if -9.00000000000000033e95 < b < 4.29999999999999982

    1. Initial program 97.4%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Add Preprocessing
    3. Taylor expanded in y around 0 75.4%

      \[\leadsto \frac{x \cdot \color{blue}{e^{\log a \cdot \left(t - 1\right) - b}}}{y} \]
    4. Taylor expanded in b around 0 74.7%

      \[\leadsto \frac{\color{blue}{x \cdot e^{\log a \cdot \left(t - 1\right)}}}{y} \]
    5. Step-by-step derivation
      1. *-commutative74.7%

        \[\leadsto \frac{\color{blue}{e^{\log a \cdot \left(t - 1\right)} \cdot x}}{y} \]
      2. exp-to-pow75.6%

        \[\leadsto \frac{\color{blue}{{a}^{\left(t - 1\right)}} \cdot x}{y} \]
      3. sub-neg75.6%

        \[\leadsto \frac{{a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot x}{y} \]
      4. metadata-eval75.6%

        \[\leadsto \frac{{a}^{\left(t + \color{blue}{-1}\right)} \cdot x}{y} \]
      5. +-commutative75.6%

        \[\leadsto \frac{{a}^{\color{blue}{\left(-1 + t\right)}} \cdot x}{y} \]
    6. Simplified75.6%

      \[\leadsto \frac{\color{blue}{{a}^{\left(-1 + t\right)} \cdot x}}{y} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification78.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq -9 \cdot 10^{+95} \lor \neg \left(b \leq 4.3\right):\\ \;\;\;\;\frac{x}{a \cdot \left(y \cdot e^{b}\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{x \cdot {a}^{\left(t + -1\right)}}{y}\\ \end{array} \]
  5. Add Preprocessing

Alternative 11: 58.4% accurate, 2.9× speedup?

\[\begin{array}{l} \\ \frac{x}{a \cdot \left(y \cdot e^{b}\right)} \end{array} \]
(FPCore (x y z t a b) :precision binary64 (/ x (* a (* y (exp b)))))
double code(double x, double y, double z, double t, double a, double b) {
	return x / (a * (y * exp(b)));
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = x / (a * (y * exp(b)))
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	return x / (a * (y * Math.exp(b)));
}
def code(x, y, z, t, a, b):
	return x / (a * (y * math.exp(b)))
function code(x, y, z, t, a, b)
	return Float64(x / Float64(a * Float64(y * exp(b))))
end
function tmp = code(x, y, z, t, a, b)
	tmp = x / (a * (y * exp(b)));
end
code[x_, y_, z_, t_, a_, b_] := N[(x / N[(a * N[(y * N[Exp[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{x}{a \cdot \left(y \cdot e^{b}\right)}
\end{array}
Derivation
  1. Initial program 98.6%

    \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
  2. Step-by-step derivation
    1. associate-*l/85.3%

      \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
    2. *-commutative85.3%

      \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
    3. +-commutative85.3%

      \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
    4. associate--l+85.3%

      \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
    5. exp-sum65.4%

      \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
    6. *-commutative65.4%

      \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
    7. exp-to-pow66.0%

      \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
    8. sub-neg66.0%

      \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
    9. metadata-eval66.0%

      \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
    10. exp-diff60.1%

      \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
    11. *-commutative60.1%

      \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    12. exp-to-pow60.1%

      \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
  3. Simplified60.1%

    \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
  4. Add Preprocessing
  5. Taylor expanded in t around 0 65.7%

    \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
  6. Step-by-step derivation
    1. times-frac62.6%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
  7. Simplified62.6%

    \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
  8. Taylor expanded in y around 0 58.9%

    \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
  9. Final simplification58.9%

    \[\leadsto \frac{x}{a \cdot \left(y \cdot e^{b}\right)} \]
  10. Add Preprocessing

Alternative 12: 38.5% accurate, 12.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq -9.2 \cdot 10^{-48}:\\ \;\;\;\;\frac{x \cdot \left(-b\right)}{y \cdot a}\\ \mathbf{elif}\;b \leq 6 \cdot 10^{-46}:\\ \;\;\;\;\frac{1}{\frac{a}{\frac{x}{y}}}\\ \mathbf{elif}\;b \leq 1.75 \cdot 10^{+257}:\\ \;\;\;\;\frac{x}{y \cdot a + y \cdot \left(a \cdot b\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{a \cdot \left(y \cdot b\right)}\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (if (<= b -9.2e-48)
   (/ (* x (- b)) (* y a))
   (if (<= b 6e-46)
     (/ 1.0 (/ a (/ x y)))
     (if (<= b 1.75e+257)
       (/ x (+ (* y a) (* y (* a b))))
       (/ x (* a (* y b)))))))
double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (b <= -9.2e-48) {
		tmp = (x * -b) / (y * a);
	} else if (b <= 6e-46) {
		tmp = 1.0 / (a / (x / y));
	} else if (b <= 1.75e+257) {
		tmp = x / ((y * a) + (y * (a * b)));
	} else {
		tmp = x / (a * (y * b));
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if (b <= (-9.2d-48)) then
        tmp = (x * -b) / (y * a)
    else if (b <= 6d-46) then
        tmp = 1.0d0 / (a / (x / y))
    else if (b <= 1.75d+257) then
        tmp = x / ((y * a) + (y * (a * b)))
    else
        tmp = x / (a * (y * b))
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (b <= -9.2e-48) {
		tmp = (x * -b) / (y * a);
	} else if (b <= 6e-46) {
		tmp = 1.0 / (a / (x / y));
	} else if (b <= 1.75e+257) {
		tmp = x / ((y * a) + (y * (a * b)));
	} else {
		tmp = x / (a * (y * b));
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	tmp = 0
	if b <= -9.2e-48:
		tmp = (x * -b) / (y * a)
	elif b <= 6e-46:
		tmp = 1.0 / (a / (x / y))
	elif b <= 1.75e+257:
		tmp = x / ((y * a) + (y * (a * b)))
	else:
		tmp = x / (a * (y * b))
	return tmp
function code(x, y, z, t, a, b)
	tmp = 0.0
	if (b <= -9.2e-48)
		tmp = Float64(Float64(x * Float64(-b)) / Float64(y * a));
	elseif (b <= 6e-46)
		tmp = Float64(1.0 / Float64(a / Float64(x / y)));
	elseif (b <= 1.75e+257)
		tmp = Float64(x / Float64(Float64(y * a) + Float64(y * Float64(a * b))));
	else
		tmp = Float64(x / Float64(a * Float64(y * b)));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	tmp = 0.0;
	if (b <= -9.2e-48)
		tmp = (x * -b) / (y * a);
	elseif (b <= 6e-46)
		tmp = 1.0 / (a / (x / y));
	elseif (b <= 1.75e+257)
		tmp = x / ((y * a) + (y * (a * b)));
	else
		tmp = x / (a * (y * b));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := If[LessEqual[b, -9.2e-48], N[(N[(x * (-b)), $MachinePrecision] / N[(y * a), $MachinePrecision]), $MachinePrecision], If[LessEqual[b, 6e-46], N[(1.0 / N[(a / N[(x / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[b, 1.75e+257], N[(x / N[(N[(y * a), $MachinePrecision] + N[(y * N[(a * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x / N[(a * N[(y * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq -9.2 \cdot 10^{-48}:\\
\;\;\;\;\frac{x \cdot \left(-b\right)}{y \cdot a}\\

\mathbf{elif}\;b \leq 6 \cdot 10^{-46}:\\
\;\;\;\;\frac{1}{\frac{a}{\frac{x}{y}}}\\

\mathbf{elif}\;b \leq 1.75 \cdot 10^{+257}:\\
\;\;\;\;\frac{x}{y \cdot a + y \cdot \left(a \cdot b\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{x}{a \cdot \left(y \cdot b\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if b < -9.2000000000000003e-48

    1. Initial program 98.6%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/90.3%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative90.3%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative90.3%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+90.3%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum62.9%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative62.9%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow63.1%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg63.1%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval63.1%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff53.5%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative53.5%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow53.5%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified53.5%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 64.6%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac56.5%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified56.5%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 75.8%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Taylor expanded in b around 0 44.4%

      \[\leadsto \color{blue}{-1 \cdot \frac{b \cdot x}{a \cdot y} + \frac{x}{a \cdot y}} \]
    10. Step-by-step derivation
      1. +-commutative44.4%

        \[\leadsto \color{blue}{\frac{x}{a \cdot y} + -1 \cdot \frac{b \cdot x}{a \cdot y}} \]
      2. mul-1-neg44.4%

        \[\leadsto \frac{x}{a \cdot y} + \color{blue}{\left(-\frac{b \cdot x}{a \cdot y}\right)} \]
      3. unsub-neg44.4%

        \[\leadsto \color{blue}{\frac{x}{a \cdot y} - \frac{b \cdot x}{a \cdot y}} \]
      4. *-commutative44.4%

        \[\leadsto \frac{x}{\color{blue}{y \cdot a}} - \frac{b \cdot x}{a \cdot y} \]
      5. *-commutative44.4%

        \[\leadsto \frac{x}{y \cdot a} - \frac{\color{blue}{x \cdot b}}{a \cdot y} \]
      6. *-commutative44.4%

        \[\leadsto \frac{x}{y \cdot a} - \frac{x \cdot b}{\color{blue}{y \cdot a}} \]
    11. Simplified44.4%

      \[\leadsto \color{blue}{\frac{x}{y \cdot a} - \frac{x \cdot b}{y \cdot a}} \]
    12. Taylor expanded in b around inf 41.9%

      \[\leadsto \color{blue}{-1 \cdot \frac{b \cdot x}{a \cdot y}} \]

    if -9.2000000000000003e-48 < b < 5.99999999999999975e-46

    1. Initial program 97.7%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/83.9%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative83.9%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative83.9%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+83.9%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum73.7%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative73.7%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow74.9%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg74.9%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval74.9%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff74.9%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative74.9%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow74.9%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified74.9%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 63.7%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac64.7%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified64.7%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in b around 0 63.7%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot y}} \]
    9. Step-by-step derivation
      1. times-frac64.7%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y}} \]
    10. Simplified64.7%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y}} \]
    11. Taylor expanded in y around 0 36.8%

      \[\leadsto \frac{x}{a} \cdot \color{blue}{\frac{1}{y}} \]
    12. Step-by-step derivation
      1. associate-*l/37.6%

        \[\leadsto \color{blue}{\frac{x \cdot \frac{1}{y}}{a}} \]
      2. div-inv37.6%

        \[\leadsto \frac{\color{blue}{\frac{x}{y}}}{a} \]
      3. clear-num37.9%

        \[\leadsto \color{blue}{\frac{1}{\frac{a}{\frac{x}{y}}}} \]
    13. Applied egg-rr37.9%

      \[\leadsto \color{blue}{\frac{1}{\frac{a}{\frac{x}{y}}}} \]

    if 5.99999999999999975e-46 < b < 1.74999999999999989e257

    1. Initial program 99.7%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/79.0%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative79.0%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative79.0%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+79.0%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum53.2%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative53.2%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow53.4%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg53.4%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval53.4%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff41.4%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative41.4%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow41.4%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified41.4%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 64.1%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac58.9%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified58.9%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 69.6%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Step-by-step derivation
      1. associate-*r*66.1%

        \[\leadsto \frac{x}{\color{blue}{\left(a \cdot y\right) \cdot e^{b}}} \]
      2. rem-exp-log38.1%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right)}} \cdot e^{b}} \]
      3. exp-sum38.2%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right) + b}}} \]
      4. +-commutative38.2%

        \[\leadsto \frac{x}{e^{\color{blue}{b + \log \left(a \cdot y\right)}}} \]
      5. exp-sum38.1%

        \[\leadsto \frac{x}{\color{blue}{e^{b} \cdot e^{\log \left(a \cdot y\right)}}} \]
      6. rem-exp-log66.1%

        \[\leadsto \frac{x}{e^{b} \cdot \color{blue}{\left(a \cdot y\right)}} \]
    10. Simplified66.1%

      \[\leadsto \color{blue}{\frac{x}{e^{b} \cdot \left(a \cdot y\right)}} \]
    11. Taylor expanded in b around 0 30.1%

      \[\leadsto \frac{x}{\color{blue}{a \cdot y + a \cdot \left(b \cdot y\right)}} \]
    12. Step-by-step derivation
      1. distribute-lft-out30.1%

        \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + b \cdot y\right)}} \]
      2. *-commutative30.1%

        \[\leadsto \frac{x}{a \cdot \left(y + \color{blue}{y \cdot b}\right)} \]
    13. Simplified30.1%

      \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + y \cdot b\right)}} \]
    14. Step-by-step derivation
      1. +-commutative30.1%

        \[\leadsto \frac{x}{a \cdot \color{blue}{\left(y \cdot b + y\right)}} \]
      2. distribute-rgt-in30.1%

        \[\leadsto \frac{x}{\color{blue}{\left(y \cdot b\right) \cdot a + y \cdot a}} \]
      3. associate-*l*36.7%

        \[\leadsto \frac{x}{\color{blue}{y \cdot \left(b \cdot a\right)} + y \cdot a} \]
      4. *-commutative36.7%

        \[\leadsto \frac{x}{y \cdot \left(b \cdot a\right) + \color{blue}{a \cdot y}} \]
    15. Applied egg-rr36.7%

      \[\leadsto \frac{x}{\color{blue}{y \cdot \left(b \cdot a\right) + a \cdot y}} \]

    if 1.74999999999999989e257 < b

    1. Initial program 100.0%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/94.1%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative94.1%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative94.1%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+94.1%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum64.7%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative64.7%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow64.7%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg64.7%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval64.7%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff58.8%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative58.8%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow58.8%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified58.8%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 88.2%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac88.2%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified88.2%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 100.0%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Step-by-step derivation
      1. associate-*r*94.1%

        \[\leadsto \frac{x}{\color{blue}{\left(a \cdot y\right) \cdot e^{b}}} \]
      2. rem-exp-log70.6%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right)}} \cdot e^{b}} \]
      3. exp-sum70.7%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right) + b}}} \]
      4. +-commutative70.7%

        \[\leadsto \frac{x}{e^{\color{blue}{b + \log \left(a \cdot y\right)}}} \]
      5. exp-sum70.6%

        \[\leadsto \frac{x}{\color{blue}{e^{b} \cdot e^{\log \left(a \cdot y\right)}}} \]
      6. rem-exp-log94.1%

        \[\leadsto \frac{x}{e^{b} \cdot \color{blue}{\left(a \cdot y\right)}} \]
    10. Simplified94.1%

      \[\leadsto \color{blue}{\frac{x}{e^{b} \cdot \left(a \cdot y\right)}} \]
    11. Taylor expanded in b around 0 71.9%

      \[\leadsto \frac{x}{\color{blue}{a \cdot y + a \cdot \left(b \cdot y\right)}} \]
    12. Step-by-step derivation
      1. distribute-lft-out71.9%

        \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + b \cdot y\right)}} \]
      2. *-commutative71.9%

        \[\leadsto \frac{x}{a \cdot \left(y + \color{blue}{y \cdot b}\right)} \]
    13. Simplified71.9%

      \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + y \cdot b\right)}} \]
    14. Taylor expanded in b around inf 71.9%

      \[\leadsto \frac{x}{a \cdot \color{blue}{\left(b \cdot y\right)}} \]
    15. Step-by-step derivation
      1. *-commutative71.9%

        \[\leadsto \frac{x}{a \cdot \color{blue}{\left(y \cdot b\right)}} \]
    16. Simplified71.9%

      \[\leadsto \frac{x}{a \cdot \color{blue}{\left(y \cdot b\right)}} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification41.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq -9.2 \cdot 10^{-48}:\\ \;\;\;\;\frac{x \cdot \left(-b\right)}{y \cdot a}\\ \mathbf{elif}\;b \leq 6 \cdot 10^{-46}:\\ \;\;\;\;\frac{1}{\frac{a}{\frac{x}{y}}}\\ \mathbf{elif}\;b \leq 1.75 \cdot 10^{+257}:\\ \;\;\;\;\frac{x}{y \cdot a + y \cdot \left(a \cdot b\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{a \cdot \left(y \cdot b\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 13: 38.5% accurate, 14.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq -360:\\ \;\;\;\;\frac{x \cdot \left(-b\right)}{y \cdot a}\\ \mathbf{elif}\;b \leq 2.1 \cdot 10^{+127}:\\ \;\;\;\;\frac{x}{a \cdot \left(y + y \cdot b\right)}\\ \mathbf{elif}\;b \leq 1.2 \cdot 10^{+262}:\\ \;\;\;\;\frac{x}{y \cdot \left(a \cdot b\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{a \cdot \left(y \cdot b\right)}\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (if (<= b -360.0)
   (/ (* x (- b)) (* y a))
   (if (<= b 2.1e+127)
     (/ x (* a (+ y (* y b))))
     (if (<= b 1.2e+262) (/ x (* y (* a b))) (/ x (* a (* y b)))))))
double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (b <= -360.0) {
		tmp = (x * -b) / (y * a);
	} else if (b <= 2.1e+127) {
		tmp = x / (a * (y + (y * b)));
	} else if (b <= 1.2e+262) {
		tmp = x / (y * (a * b));
	} else {
		tmp = x / (a * (y * b));
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if (b <= (-360.0d0)) then
        tmp = (x * -b) / (y * a)
    else if (b <= 2.1d+127) then
        tmp = x / (a * (y + (y * b)))
    else if (b <= 1.2d+262) then
        tmp = x / (y * (a * b))
    else
        tmp = x / (a * (y * b))
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (b <= -360.0) {
		tmp = (x * -b) / (y * a);
	} else if (b <= 2.1e+127) {
		tmp = x / (a * (y + (y * b)));
	} else if (b <= 1.2e+262) {
		tmp = x / (y * (a * b));
	} else {
		tmp = x / (a * (y * b));
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	tmp = 0
	if b <= -360.0:
		tmp = (x * -b) / (y * a)
	elif b <= 2.1e+127:
		tmp = x / (a * (y + (y * b)))
	elif b <= 1.2e+262:
		tmp = x / (y * (a * b))
	else:
		tmp = x / (a * (y * b))
	return tmp
function code(x, y, z, t, a, b)
	tmp = 0.0
	if (b <= -360.0)
		tmp = Float64(Float64(x * Float64(-b)) / Float64(y * a));
	elseif (b <= 2.1e+127)
		tmp = Float64(x / Float64(a * Float64(y + Float64(y * b))));
	elseif (b <= 1.2e+262)
		tmp = Float64(x / Float64(y * Float64(a * b)));
	else
		tmp = Float64(x / Float64(a * Float64(y * b)));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	tmp = 0.0;
	if (b <= -360.0)
		tmp = (x * -b) / (y * a);
	elseif (b <= 2.1e+127)
		tmp = x / (a * (y + (y * b)));
	elseif (b <= 1.2e+262)
		tmp = x / (y * (a * b));
	else
		tmp = x / (a * (y * b));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := If[LessEqual[b, -360.0], N[(N[(x * (-b)), $MachinePrecision] / N[(y * a), $MachinePrecision]), $MachinePrecision], If[LessEqual[b, 2.1e+127], N[(x / N[(a * N[(y + N[(y * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[b, 1.2e+262], N[(x / N[(y * N[(a * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x / N[(a * N[(y * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq -360:\\
\;\;\;\;\frac{x \cdot \left(-b\right)}{y \cdot a}\\

\mathbf{elif}\;b \leq 2.1 \cdot 10^{+127}:\\
\;\;\;\;\frac{x}{a \cdot \left(y + y \cdot b\right)}\\

\mathbf{elif}\;b \leq 1.2 \cdot 10^{+262}:\\
\;\;\;\;\frac{x}{y \cdot \left(a \cdot b\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{x}{a \cdot \left(y \cdot b\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if b < -360

    1. Initial program 100.0%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/90.3%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative90.3%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative90.3%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+90.3%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum61.3%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative61.3%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow61.3%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg61.3%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval61.3%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff50.0%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative50.0%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow50.0%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified50.0%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 63.1%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac58.3%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified58.3%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 79.4%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Taylor expanded in b around 0 40.8%

      \[\leadsto \color{blue}{-1 \cdot \frac{b \cdot x}{a \cdot y} + \frac{x}{a \cdot y}} \]
    10. Step-by-step derivation
      1. +-commutative40.8%

        \[\leadsto \color{blue}{\frac{x}{a \cdot y} + -1 \cdot \frac{b \cdot x}{a \cdot y}} \]
      2. mul-1-neg40.8%

        \[\leadsto \frac{x}{a \cdot y} + \color{blue}{\left(-\frac{b \cdot x}{a \cdot y}\right)} \]
      3. unsub-neg40.8%

        \[\leadsto \color{blue}{\frac{x}{a \cdot y} - \frac{b \cdot x}{a \cdot y}} \]
      4. *-commutative40.8%

        \[\leadsto \frac{x}{\color{blue}{y \cdot a}} - \frac{b \cdot x}{a \cdot y} \]
      5. *-commutative40.8%

        \[\leadsto \frac{x}{y \cdot a} - \frac{\color{blue}{x \cdot b}}{a \cdot y} \]
      6. *-commutative40.8%

        \[\leadsto \frac{x}{y \cdot a} - \frac{x \cdot b}{\color{blue}{y \cdot a}} \]
    11. Simplified40.8%

      \[\leadsto \color{blue}{\frac{x}{y \cdot a} - \frac{x \cdot b}{y \cdot a}} \]
    12. Taylor expanded in b around inf 40.8%

      \[\leadsto \color{blue}{-1 \cdot \frac{b \cdot x}{a \cdot y}} \]

    if -360 < b < 2.09999999999999992e127

    1. Initial program 97.7%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/84.4%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative84.4%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative84.4%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+84.4%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum71.8%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative71.8%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow72.8%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg72.8%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval72.8%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff68.3%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative68.3%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow68.3%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified68.3%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 63.9%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac60.8%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified60.8%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 44.6%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Step-by-step derivation
      1. associate-*r*43.9%

        \[\leadsto \frac{x}{\color{blue}{\left(a \cdot y\right) \cdot e^{b}}} \]
      2. rem-exp-log22.4%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right)}} \cdot e^{b}} \]
      3. exp-sum22.4%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right) + b}}} \]
      4. +-commutative22.4%

        \[\leadsto \frac{x}{e^{\color{blue}{b + \log \left(a \cdot y\right)}}} \]
      5. exp-sum22.4%

        \[\leadsto \frac{x}{\color{blue}{e^{b} \cdot e^{\log \left(a \cdot y\right)}}} \]
      6. rem-exp-log43.9%

        \[\leadsto \frac{x}{e^{b} \cdot \color{blue}{\left(a \cdot y\right)}} \]
    10. Simplified43.9%

      \[\leadsto \color{blue}{\frac{x}{e^{b} \cdot \left(a \cdot y\right)}} \]
    11. Taylor expanded in b around 0 31.7%

      \[\leadsto \frac{x}{\color{blue}{a \cdot y + a \cdot \left(b \cdot y\right)}} \]
    12. Step-by-step derivation
      1. distribute-lft-out35.5%

        \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + b \cdot y\right)}} \]
      2. *-commutative35.5%

        \[\leadsto \frac{x}{a \cdot \left(y + \color{blue}{y \cdot b}\right)} \]
    13. Simplified35.5%

      \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + y \cdot b\right)}} \]

    if 2.09999999999999992e127 < b < 1.19999999999999991e262

    1. Initial program 100.0%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/68.4%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative68.4%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative68.4%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+68.4%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum26.3%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative26.3%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow26.3%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg26.3%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval26.3%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff26.3%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative26.3%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow26.3%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified26.3%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 68.8%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac68.8%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified68.8%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 74.1%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Step-by-step derivation
      1. associate-*r*74.1%

        \[\leadsto \frac{x}{\color{blue}{\left(a \cdot y\right) \cdot e^{b}}} \]
      2. rem-exp-log42.4%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right)}} \cdot e^{b}} \]
      3. exp-sum42.4%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right) + b}}} \]
      4. +-commutative42.4%

        \[\leadsto \frac{x}{e^{\color{blue}{b + \log \left(a \cdot y\right)}}} \]
      5. exp-sum42.4%

        \[\leadsto \frac{x}{\color{blue}{e^{b} \cdot e^{\log \left(a \cdot y\right)}}} \]
      6. rem-exp-log74.1%

        \[\leadsto \frac{x}{e^{b} \cdot \color{blue}{\left(a \cdot y\right)}} \]
    10. Simplified74.1%

      \[\leadsto \color{blue}{\frac{x}{e^{b} \cdot \left(a \cdot y\right)}} \]
    11. Taylor expanded in b around 0 33.8%

      \[\leadsto \frac{x}{\color{blue}{a \cdot y + a \cdot \left(b \cdot y\right)}} \]
    12. Step-by-step derivation
      1. distribute-lft-out33.8%

        \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + b \cdot y\right)}} \]
      2. *-commutative33.8%

        \[\leadsto \frac{x}{a \cdot \left(y + \color{blue}{y \cdot b}\right)} \]
    13. Simplified33.8%

      \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + y \cdot b\right)}} \]
    14. Taylor expanded in b around inf 33.8%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(b \cdot y\right)}} \]
    15. Step-by-step derivation
      1. associate-*r*59.1%

        \[\leadsto \frac{x}{\color{blue}{\left(a \cdot b\right) \cdot y}} \]
      2. *-commutative59.1%

        \[\leadsto \frac{x}{\color{blue}{\left(b \cdot a\right)} \cdot y} \]
      3. *-commutative59.1%

        \[\leadsto \frac{x}{\color{blue}{y \cdot \left(b \cdot a\right)}} \]
      4. *-commutative59.1%

        \[\leadsto \frac{x}{y \cdot \color{blue}{\left(a \cdot b\right)}} \]
    16. Simplified59.1%

      \[\leadsto \color{blue}{\frac{x}{y \cdot \left(a \cdot b\right)}} \]

    if 1.19999999999999991e262 < b

    1. Initial program 100.0%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/94.1%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative94.1%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative94.1%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+94.1%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum64.7%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative64.7%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow64.7%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg64.7%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval64.7%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff58.8%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative58.8%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow58.8%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified58.8%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 88.2%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac88.2%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified88.2%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 100.0%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Step-by-step derivation
      1. associate-*r*94.1%

        \[\leadsto \frac{x}{\color{blue}{\left(a \cdot y\right) \cdot e^{b}}} \]
      2. rem-exp-log70.6%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right)}} \cdot e^{b}} \]
      3. exp-sum70.7%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right) + b}}} \]
      4. +-commutative70.7%

        \[\leadsto \frac{x}{e^{\color{blue}{b + \log \left(a \cdot y\right)}}} \]
      5. exp-sum70.6%

        \[\leadsto \frac{x}{\color{blue}{e^{b} \cdot e^{\log \left(a \cdot y\right)}}} \]
      6. rem-exp-log94.1%

        \[\leadsto \frac{x}{e^{b} \cdot \color{blue}{\left(a \cdot y\right)}} \]
    10. Simplified94.1%

      \[\leadsto \color{blue}{\frac{x}{e^{b} \cdot \left(a \cdot y\right)}} \]
    11. Taylor expanded in b around 0 71.9%

      \[\leadsto \frac{x}{\color{blue}{a \cdot y + a \cdot \left(b \cdot y\right)}} \]
    12. Step-by-step derivation
      1. distribute-lft-out71.9%

        \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + b \cdot y\right)}} \]
      2. *-commutative71.9%

        \[\leadsto \frac{x}{a \cdot \left(y + \color{blue}{y \cdot b}\right)} \]
    13. Simplified71.9%

      \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + y \cdot b\right)}} \]
    14. Taylor expanded in b around inf 71.9%

      \[\leadsto \frac{x}{a \cdot \color{blue}{\left(b \cdot y\right)}} \]
    15. Step-by-step derivation
      1. *-commutative71.9%

        \[\leadsto \frac{x}{a \cdot \color{blue}{\left(y \cdot b\right)}} \]
    16. Simplified71.9%

      \[\leadsto \frac{x}{a \cdot \color{blue}{\left(y \cdot b\right)}} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification41.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq -360:\\ \;\;\;\;\frac{x \cdot \left(-b\right)}{y \cdot a}\\ \mathbf{elif}\;b \leq 2.1 \cdot 10^{+127}:\\ \;\;\;\;\frac{x}{a \cdot \left(y + y \cdot b\right)}\\ \mathbf{elif}\;b \leq 1.2 \cdot 10^{+262}:\\ \;\;\;\;\frac{x}{y \cdot \left(a \cdot b\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{a \cdot \left(y \cdot b\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 14: 37.7% accurate, 18.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq -6.2 \cdot 10^{-215}:\\ \;\;\;\;x \cdot \frac{-b}{y \cdot a}\\ \mathbf{elif}\;b \leq 1.26 \cdot 10^{+22}:\\ \;\;\;\;\frac{1}{y \cdot \frac{a}{x}}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{y \cdot \left(a \cdot b\right)}\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (if (<= b -6.2e-215)
   (* x (/ (- b) (* y a)))
   (if (<= b 1.26e+22) (/ 1.0 (* y (/ a x))) (/ x (* y (* a b))))))
double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (b <= -6.2e-215) {
		tmp = x * (-b / (y * a));
	} else if (b <= 1.26e+22) {
		tmp = 1.0 / (y * (a / x));
	} else {
		tmp = x / (y * (a * b));
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if (b <= (-6.2d-215)) then
        tmp = x * (-b / (y * a))
    else if (b <= 1.26d+22) then
        tmp = 1.0d0 / (y * (a / x))
    else
        tmp = x / (y * (a * b))
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (b <= -6.2e-215) {
		tmp = x * (-b / (y * a));
	} else if (b <= 1.26e+22) {
		tmp = 1.0 / (y * (a / x));
	} else {
		tmp = x / (y * (a * b));
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	tmp = 0
	if b <= -6.2e-215:
		tmp = x * (-b / (y * a))
	elif b <= 1.26e+22:
		tmp = 1.0 / (y * (a / x))
	else:
		tmp = x / (y * (a * b))
	return tmp
function code(x, y, z, t, a, b)
	tmp = 0.0
	if (b <= -6.2e-215)
		tmp = Float64(x * Float64(Float64(-b) / Float64(y * a)));
	elseif (b <= 1.26e+22)
		tmp = Float64(1.0 / Float64(y * Float64(a / x)));
	else
		tmp = Float64(x / Float64(y * Float64(a * b)));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	tmp = 0.0;
	if (b <= -6.2e-215)
		tmp = x * (-b / (y * a));
	elseif (b <= 1.26e+22)
		tmp = 1.0 / (y * (a / x));
	else
		tmp = x / (y * (a * b));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := If[LessEqual[b, -6.2e-215], N[(x * N[((-b) / N[(y * a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[b, 1.26e+22], N[(1.0 / N[(y * N[(a / x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x / N[(y * N[(a * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq -6.2 \cdot 10^{-215}:\\
\;\;\;\;x \cdot \frac{-b}{y \cdot a}\\

\mathbf{elif}\;b \leq 1.26 \cdot 10^{+22}:\\
\;\;\;\;\frac{1}{y \cdot \frac{a}{x}}\\

\mathbf{else}:\\
\;\;\;\;\frac{x}{y \cdot \left(a \cdot b\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if b < -6.19999999999999987e-215

    1. Initial program 98.8%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/89.0%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative89.0%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative89.0%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+89.0%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum67.8%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative67.8%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow68.2%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg68.2%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval68.2%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff62.0%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative62.0%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow62.0%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified62.0%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 65.0%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac60.6%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified60.6%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 59.6%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Taylor expanded in b around 0 39.2%

      \[\leadsto \color{blue}{-1 \cdot \frac{b \cdot x}{a \cdot y} + \frac{x}{a \cdot y}} \]
    10. Step-by-step derivation
      1. +-commutative39.2%

        \[\leadsto \color{blue}{\frac{x}{a \cdot y} + -1 \cdot \frac{b \cdot x}{a \cdot y}} \]
      2. mul-1-neg39.2%

        \[\leadsto \frac{x}{a \cdot y} + \color{blue}{\left(-\frac{b \cdot x}{a \cdot y}\right)} \]
      3. unsub-neg39.2%

        \[\leadsto \color{blue}{\frac{x}{a \cdot y} - \frac{b \cdot x}{a \cdot y}} \]
      4. *-commutative39.2%

        \[\leadsto \frac{x}{\color{blue}{y \cdot a}} - \frac{b \cdot x}{a \cdot y} \]
      5. *-commutative39.2%

        \[\leadsto \frac{x}{y \cdot a} - \frac{\color{blue}{x \cdot b}}{a \cdot y} \]
      6. *-commutative39.2%

        \[\leadsto \frac{x}{y \cdot a} - \frac{x \cdot b}{\color{blue}{y \cdot a}} \]
    11. Simplified39.2%

      \[\leadsto \color{blue}{\frac{x}{y \cdot a} - \frac{x \cdot b}{y \cdot a}} \]
    12. Taylor expanded in b around inf 38.4%

      \[\leadsto \color{blue}{-1 \cdot \frac{b \cdot x}{a \cdot y}} \]
    13. Step-by-step derivation
      1. associate-*r/38.4%

        \[\leadsto \color{blue}{\frac{-1 \cdot \left(b \cdot x\right)}{a \cdot y}} \]
      2. *-commutative38.4%

        \[\leadsto \frac{-1 \cdot \color{blue}{\left(x \cdot b\right)}}{a \cdot y} \]
      3. neg-mul-138.4%

        \[\leadsto \frac{\color{blue}{-x \cdot b}}{a \cdot y} \]
      4. distribute-rgt-neg-out38.4%

        \[\leadsto \frac{\color{blue}{x \cdot \left(-b\right)}}{a \cdot y} \]
      5. associate-*r/36.9%

        \[\leadsto \color{blue}{x \cdot \frac{-b}{a \cdot y}} \]
    14. Simplified36.9%

      \[\leadsto \color{blue}{x \cdot \frac{-b}{a \cdot y}} \]

    if -6.19999999999999987e-215 < b < 1.26e22

    1. Initial program 97.1%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/82.4%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative82.4%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative82.4%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+82.4%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum70.1%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative70.1%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow71.5%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg71.5%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval71.5%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff70.3%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative70.3%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow70.3%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified70.3%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 63.7%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac62.6%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified62.6%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in b around 0 59.0%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot y}} \]
    9. Step-by-step derivation
      1. times-frac57.9%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y}} \]
    10. Simplified57.9%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y}} \]
    11. Taylor expanded in y around 0 36.0%

      \[\leadsto \frac{x}{a} \cdot \color{blue}{\frac{1}{y}} \]
    12. Step-by-step derivation
      1. clear-num36.0%

        \[\leadsto \color{blue}{\frac{1}{\frac{a}{x}}} \cdot \frac{1}{y} \]
      2. frac-times36.4%

        \[\leadsto \color{blue}{\frac{1 \cdot 1}{\frac{a}{x} \cdot y}} \]
      3. metadata-eval36.4%

        \[\leadsto \frac{\color{blue}{1}}{\frac{a}{x} \cdot y} \]
    13. Applied egg-rr36.4%

      \[\leadsto \color{blue}{\frac{1}{\frac{a}{x} \cdot y}} \]

    if 1.26e22 < b

    1. Initial program 100.0%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/82.3%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative82.3%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative82.3%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+82.3%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum54.8%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative54.8%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow54.8%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg54.8%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval54.8%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff43.5%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative43.5%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow43.5%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified43.5%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 69.5%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac66.3%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified66.3%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 80.9%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Step-by-step derivation
      1. associate-*r*76.1%

        \[\leadsto \frac{x}{\color{blue}{\left(a \cdot y\right) \cdot e^{b}}} \]
      2. rem-exp-log48.5%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right)}} \cdot e^{b}} \]
      3. exp-sum48.6%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right) + b}}} \]
      4. +-commutative48.6%

        \[\leadsto \frac{x}{e^{\color{blue}{b + \log \left(a \cdot y\right)}}} \]
      5. exp-sum48.5%

        \[\leadsto \frac{x}{\color{blue}{e^{b} \cdot e^{\log \left(a \cdot y\right)}}} \]
      6. rem-exp-log76.1%

        \[\leadsto \frac{x}{e^{b} \cdot \color{blue}{\left(a \cdot y\right)}} \]
    10. Simplified76.1%

      \[\leadsto \color{blue}{\frac{x}{e^{b} \cdot \left(a \cdot y\right)}} \]
    11. Taylor expanded in b around 0 43.9%

      \[\leadsto \frac{x}{\color{blue}{a \cdot y + a \cdot \left(b \cdot y\right)}} \]
    12. Step-by-step derivation
      1. distribute-lft-out43.9%

        \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + b \cdot y\right)}} \]
      2. *-commutative43.9%

        \[\leadsto \frac{x}{a \cdot \left(y + \color{blue}{y \cdot b}\right)} \]
    13. Simplified43.9%

      \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + y \cdot b\right)}} \]
    14. Taylor expanded in b around inf 43.9%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(b \cdot y\right)}} \]
    15. Step-by-step derivation
      1. associate-*r*48.2%

        \[\leadsto \frac{x}{\color{blue}{\left(a \cdot b\right) \cdot y}} \]
      2. *-commutative48.2%

        \[\leadsto \frac{x}{\color{blue}{\left(b \cdot a\right)} \cdot y} \]
      3. *-commutative48.2%

        \[\leadsto \frac{x}{\color{blue}{y \cdot \left(b \cdot a\right)}} \]
      4. *-commutative48.2%

        \[\leadsto \frac{x}{y \cdot \color{blue}{\left(a \cdot b\right)}} \]
    16. Simplified48.2%

      \[\leadsto \color{blue}{\frac{x}{y \cdot \left(a \cdot b\right)}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification39.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq -6.2 \cdot 10^{-215}:\\ \;\;\;\;x \cdot \frac{-b}{y \cdot a}\\ \mathbf{elif}\;b \leq 1.26 \cdot 10^{+22}:\\ \;\;\;\;\frac{1}{y \cdot \frac{a}{x}}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{y \cdot \left(a \cdot b\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 15: 38.1% accurate, 18.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq -4.5 \cdot 10^{+124}:\\ \;\;\;\;\frac{x \cdot \left(-b\right)}{y \cdot a}\\ \mathbf{elif}\;b \leq 3.3 \cdot 10^{+94}:\\ \;\;\;\;\frac{x}{y \cdot a}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{y \cdot \left(a \cdot b\right)}\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (if (<= b -4.5e+124)
   (/ (* x (- b)) (* y a))
   (if (<= b 3.3e+94) (/ x (* y a)) (/ x (* y (* a b))))))
double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (b <= -4.5e+124) {
		tmp = (x * -b) / (y * a);
	} else if (b <= 3.3e+94) {
		tmp = x / (y * a);
	} else {
		tmp = x / (y * (a * b));
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if (b <= (-4.5d+124)) then
        tmp = (x * -b) / (y * a)
    else if (b <= 3.3d+94) then
        tmp = x / (y * a)
    else
        tmp = x / (y * (a * b))
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (b <= -4.5e+124) {
		tmp = (x * -b) / (y * a);
	} else if (b <= 3.3e+94) {
		tmp = x / (y * a);
	} else {
		tmp = x / (y * (a * b));
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	tmp = 0
	if b <= -4.5e+124:
		tmp = (x * -b) / (y * a)
	elif b <= 3.3e+94:
		tmp = x / (y * a)
	else:
		tmp = x / (y * (a * b))
	return tmp
function code(x, y, z, t, a, b)
	tmp = 0.0
	if (b <= -4.5e+124)
		tmp = Float64(Float64(x * Float64(-b)) / Float64(y * a));
	elseif (b <= 3.3e+94)
		tmp = Float64(x / Float64(y * a));
	else
		tmp = Float64(x / Float64(y * Float64(a * b)));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	tmp = 0.0;
	if (b <= -4.5e+124)
		tmp = (x * -b) / (y * a);
	elseif (b <= 3.3e+94)
		tmp = x / (y * a);
	else
		tmp = x / (y * (a * b));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := If[LessEqual[b, -4.5e+124], N[(N[(x * (-b)), $MachinePrecision] / N[(y * a), $MachinePrecision]), $MachinePrecision], If[LessEqual[b, 3.3e+94], N[(x / N[(y * a), $MachinePrecision]), $MachinePrecision], N[(x / N[(y * N[(a * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq -4.5 \cdot 10^{+124}:\\
\;\;\;\;\frac{x \cdot \left(-b\right)}{y \cdot a}\\

\mathbf{elif}\;b \leq 3.3 \cdot 10^{+94}:\\
\;\;\;\;\frac{x}{y \cdot a}\\

\mathbf{else}:\\
\;\;\;\;\frac{x}{y \cdot \left(a \cdot b\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if b < -4.5000000000000004e124

    1. Initial program 100.0%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/95.2%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative95.2%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative95.2%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+95.2%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum64.3%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative64.3%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow64.3%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg64.3%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval64.3%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff54.8%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative54.8%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow54.8%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified54.8%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 66.8%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac62.1%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified62.1%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 88.3%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Taylor expanded in b around 0 49.6%

      \[\leadsto \color{blue}{-1 \cdot \frac{b \cdot x}{a \cdot y} + \frac{x}{a \cdot y}} \]
    10. Step-by-step derivation
      1. +-commutative49.6%

        \[\leadsto \color{blue}{\frac{x}{a \cdot y} + -1 \cdot \frac{b \cdot x}{a \cdot y}} \]
      2. mul-1-neg49.6%

        \[\leadsto \frac{x}{a \cdot y} + \color{blue}{\left(-\frac{b \cdot x}{a \cdot y}\right)} \]
      3. unsub-neg49.6%

        \[\leadsto \color{blue}{\frac{x}{a \cdot y} - \frac{b \cdot x}{a \cdot y}} \]
      4. *-commutative49.6%

        \[\leadsto \frac{x}{\color{blue}{y \cdot a}} - \frac{b \cdot x}{a \cdot y} \]
      5. *-commutative49.6%

        \[\leadsto \frac{x}{y \cdot a} - \frac{\color{blue}{x \cdot b}}{a \cdot y} \]
      6. *-commutative49.6%

        \[\leadsto \frac{x}{y \cdot a} - \frac{x \cdot b}{\color{blue}{y \cdot a}} \]
    11. Simplified49.6%

      \[\leadsto \color{blue}{\frac{x}{y \cdot a} - \frac{x \cdot b}{y \cdot a}} \]
    12. Taylor expanded in b around inf 49.6%

      \[\leadsto \color{blue}{-1 \cdot \frac{b \cdot x}{a \cdot y}} \]

    if -4.5000000000000004e124 < b < 3.3e94

    1. Initial program 97.8%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/83.2%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative83.2%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative83.2%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+83.2%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum69.7%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative69.7%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow70.7%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg70.7%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval70.7%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff66.4%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative66.4%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow66.4%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified66.4%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 62.8%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac59.2%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified59.2%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 43.0%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Taylor expanded in b around 0 33.7%

      \[\leadsto \color{blue}{\frac{x}{a \cdot y}} \]
    10. Step-by-step derivation
      1. *-commutative33.7%

        \[\leadsto \frac{x}{\color{blue}{y \cdot a}} \]
    11. Simplified33.7%

      \[\leadsto \color{blue}{\frac{x}{y \cdot a}} \]

    if 3.3e94 < b

    1. Initial program 100.0%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/84.0%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative84.0%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative84.0%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+84.0%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum52.0%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative52.0%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow52.0%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg52.0%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval52.0%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff44.0%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative44.0%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow44.0%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified44.0%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 74.2%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac74.2%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified74.2%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 86.2%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Step-by-step derivation
      1. associate-*r*82.2%

        \[\leadsto \frac{x}{\color{blue}{\left(a \cdot y\right) \cdot e^{b}}} \]
      2. rem-exp-log48.1%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right)}} \cdot e^{b}} \]
      3. exp-sum48.2%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right) + b}}} \]
      4. +-commutative48.2%

        \[\leadsto \frac{x}{e^{\color{blue}{b + \log \left(a \cdot y\right)}}} \]
      5. exp-sum48.1%

        \[\leadsto \frac{x}{\color{blue}{e^{b} \cdot e^{\log \left(a \cdot y\right)}}} \]
      6. rem-exp-log82.2%

        \[\leadsto \frac{x}{e^{b} \cdot \color{blue}{\left(a \cdot y\right)}} \]
    10. Simplified82.2%

      \[\leadsto \color{blue}{\frac{x}{e^{b} \cdot \left(a \cdot y\right)}} \]
    11. Taylor expanded in b around 0 49.8%

      \[\leadsto \frac{x}{\color{blue}{a \cdot y + a \cdot \left(b \cdot y\right)}} \]
    12. Step-by-step derivation
      1. distribute-lft-out49.8%

        \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + b \cdot y\right)}} \]
      2. *-commutative49.8%

        \[\leadsto \frac{x}{a \cdot \left(y + \color{blue}{y \cdot b}\right)} \]
    13. Simplified49.8%

      \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + y \cdot b\right)}} \]
    14. Taylor expanded in b around inf 49.8%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(b \cdot y\right)}} \]
    15. Step-by-step derivation
      1. associate-*r*55.1%

        \[\leadsto \frac{x}{\color{blue}{\left(a \cdot b\right) \cdot y}} \]
      2. *-commutative55.1%

        \[\leadsto \frac{x}{\color{blue}{\left(b \cdot a\right)} \cdot y} \]
      3. *-commutative55.1%

        \[\leadsto \frac{x}{\color{blue}{y \cdot \left(b \cdot a\right)}} \]
      4. *-commutative55.1%

        \[\leadsto \frac{x}{y \cdot \color{blue}{\left(a \cdot b\right)}} \]
    16. Simplified55.1%

      \[\leadsto \color{blue}{\frac{x}{y \cdot \left(a \cdot b\right)}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification40.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq -4.5 \cdot 10^{+124}:\\ \;\;\;\;\frac{x \cdot \left(-b\right)}{y \cdot a}\\ \mathbf{elif}\;b \leq 3.3 \cdot 10^{+94}:\\ \;\;\;\;\frac{x}{y \cdot a}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{y \cdot \left(a \cdot b\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 16: 39.1% accurate, 18.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq -5.8 \cdot 10^{+37}:\\ \;\;\;\;\frac{\frac{x}{y} - \frac{x \cdot b}{y}}{a}\\ \mathbf{elif}\;b \leq 7.2 \cdot 10^{+92}:\\ \;\;\;\;\frac{x}{y \cdot a}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{y \cdot \left(a \cdot b\right)}\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (if (<= b -5.8e+37)
   (/ (- (/ x y) (/ (* x b) y)) a)
   (if (<= b 7.2e+92) (/ x (* y a)) (/ x (* y (* a b))))))
double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (b <= -5.8e+37) {
		tmp = ((x / y) - ((x * b) / y)) / a;
	} else if (b <= 7.2e+92) {
		tmp = x / (y * a);
	} else {
		tmp = x / (y * (a * b));
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if (b <= (-5.8d+37)) then
        tmp = ((x / y) - ((x * b) / y)) / a
    else if (b <= 7.2d+92) then
        tmp = x / (y * a)
    else
        tmp = x / (y * (a * b))
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (b <= -5.8e+37) {
		tmp = ((x / y) - ((x * b) / y)) / a;
	} else if (b <= 7.2e+92) {
		tmp = x / (y * a);
	} else {
		tmp = x / (y * (a * b));
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	tmp = 0
	if b <= -5.8e+37:
		tmp = ((x / y) - ((x * b) / y)) / a
	elif b <= 7.2e+92:
		tmp = x / (y * a)
	else:
		tmp = x / (y * (a * b))
	return tmp
function code(x, y, z, t, a, b)
	tmp = 0.0
	if (b <= -5.8e+37)
		tmp = Float64(Float64(Float64(x / y) - Float64(Float64(x * b) / y)) / a);
	elseif (b <= 7.2e+92)
		tmp = Float64(x / Float64(y * a));
	else
		tmp = Float64(x / Float64(y * Float64(a * b)));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	tmp = 0.0;
	if (b <= -5.8e+37)
		tmp = ((x / y) - ((x * b) / y)) / a;
	elseif (b <= 7.2e+92)
		tmp = x / (y * a);
	else
		tmp = x / (y * (a * b));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := If[LessEqual[b, -5.8e+37], N[(N[(N[(x / y), $MachinePrecision] - N[(N[(x * b), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision] / a), $MachinePrecision], If[LessEqual[b, 7.2e+92], N[(x / N[(y * a), $MachinePrecision]), $MachinePrecision], N[(x / N[(y * N[(a * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq -5.8 \cdot 10^{+37}:\\
\;\;\;\;\frac{\frac{x}{y} - \frac{x \cdot b}{y}}{a}\\

\mathbf{elif}\;b \leq 7.2 \cdot 10^{+92}:\\
\;\;\;\;\frac{x}{y \cdot a}\\

\mathbf{else}:\\
\;\;\;\;\frac{x}{y \cdot \left(a \cdot b\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if b < -5.79999999999999957e37

    1. Initial program 100.0%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/93.0%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative93.0%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative93.0%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+93.0%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum64.9%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative64.9%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow64.9%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg64.9%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval64.9%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff52.6%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative52.6%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow52.6%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified52.6%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 63.3%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac58.1%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified58.1%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 81.0%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Taylor expanded in b around 0 40.7%

      \[\leadsto \color{blue}{-1 \cdot \frac{b \cdot x}{a \cdot y} + \frac{x}{a \cdot y}} \]
    10. Step-by-step derivation
      1. +-commutative40.7%

        \[\leadsto \color{blue}{\frac{x}{a \cdot y} + -1 \cdot \frac{b \cdot x}{a \cdot y}} \]
      2. mul-1-neg40.7%

        \[\leadsto \frac{x}{a \cdot y} + \color{blue}{\left(-\frac{b \cdot x}{a \cdot y}\right)} \]
      3. unsub-neg40.7%

        \[\leadsto \color{blue}{\frac{x}{a \cdot y} - \frac{b \cdot x}{a \cdot y}} \]
      4. *-commutative40.7%

        \[\leadsto \frac{x}{\color{blue}{y \cdot a}} - \frac{b \cdot x}{a \cdot y} \]
      5. *-commutative40.7%

        \[\leadsto \frac{x}{y \cdot a} - \frac{\color{blue}{x \cdot b}}{a \cdot y} \]
      6. *-commutative40.7%

        \[\leadsto \frac{x}{y \cdot a} - \frac{x \cdot b}{\color{blue}{y \cdot a}} \]
    11. Simplified40.7%

      \[\leadsto \color{blue}{\frac{x}{y \cdot a} - \frac{x \cdot b}{y \cdot a}} \]
    12. Step-by-step derivation
      1. associate-/r*40.7%

        \[\leadsto \color{blue}{\frac{\frac{x}{y}}{a}} - \frac{x \cdot b}{y \cdot a} \]
      2. associate-/r*49.3%

        \[\leadsto \frac{\frac{x}{y}}{a} - \color{blue}{\frac{\frac{x \cdot b}{y}}{a}} \]
      3. sub-div49.3%

        \[\leadsto \color{blue}{\frac{\frac{x}{y} - \frac{x \cdot b}{y}}{a}} \]
    13. Applied egg-rr49.3%

      \[\leadsto \color{blue}{\frac{\frac{x}{y} - \frac{x \cdot b}{y}}{a}} \]

    if -5.79999999999999957e37 < b < 7.2e92

    1. Initial program 97.5%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/82.8%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative82.8%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative82.8%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+82.8%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum70.1%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative70.1%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow71.1%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg71.1%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval71.1%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff68.4%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative68.4%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow68.4%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified68.4%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 63.7%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac60.5%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified60.5%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 41.2%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Taylor expanded in b around 0 35.5%

      \[\leadsto \color{blue}{\frac{x}{a \cdot y}} \]
    10. Step-by-step derivation
      1. *-commutative35.5%

        \[\leadsto \frac{x}{\color{blue}{y \cdot a}} \]
    11. Simplified35.5%

      \[\leadsto \color{blue}{\frac{x}{y \cdot a}} \]

    if 7.2e92 < b

    1. Initial program 100.0%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/84.0%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative84.0%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative84.0%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+84.0%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum52.0%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative52.0%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow52.0%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg52.0%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval52.0%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff44.0%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative44.0%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow44.0%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified44.0%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 74.2%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac74.2%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified74.2%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 86.2%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Step-by-step derivation
      1. associate-*r*82.2%

        \[\leadsto \frac{x}{\color{blue}{\left(a \cdot y\right) \cdot e^{b}}} \]
      2. rem-exp-log48.1%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right)}} \cdot e^{b}} \]
      3. exp-sum48.2%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right) + b}}} \]
      4. +-commutative48.2%

        \[\leadsto \frac{x}{e^{\color{blue}{b + \log \left(a \cdot y\right)}}} \]
      5. exp-sum48.1%

        \[\leadsto \frac{x}{\color{blue}{e^{b} \cdot e^{\log \left(a \cdot y\right)}}} \]
      6. rem-exp-log82.2%

        \[\leadsto \frac{x}{e^{b} \cdot \color{blue}{\left(a \cdot y\right)}} \]
    10. Simplified82.2%

      \[\leadsto \color{blue}{\frac{x}{e^{b} \cdot \left(a \cdot y\right)}} \]
    11. Taylor expanded in b around 0 49.8%

      \[\leadsto \frac{x}{\color{blue}{a \cdot y + a \cdot \left(b \cdot y\right)}} \]
    12. Step-by-step derivation
      1. distribute-lft-out49.8%

        \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + b \cdot y\right)}} \]
      2. *-commutative49.8%

        \[\leadsto \frac{x}{a \cdot \left(y + \color{blue}{y \cdot b}\right)} \]
    13. Simplified49.8%

      \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + y \cdot b\right)}} \]
    14. Taylor expanded in b around inf 49.8%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(b \cdot y\right)}} \]
    15. Step-by-step derivation
      1. associate-*r*55.1%

        \[\leadsto \frac{x}{\color{blue}{\left(a \cdot b\right) \cdot y}} \]
      2. *-commutative55.1%

        \[\leadsto \frac{x}{\color{blue}{\left(b \cdot a\right)} \cdot y} \]
      3. *-commutative55.1%

        \[\leadsto \frac{x}{\color{blue}{y \cdot \left(b \cdot a\right)}} \]
      4. *-commutative55.1%

        \[\leadsto \frac{x}{y \cdot \color{blue}{\left(a \cdot b\right)}} \]
    16. Simplified55.1%

      \[\leadsto \color{blue}{\frac{x}{y \cdot \left(a \cdot b\right)}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification42.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq -5.8 \cdot 10^{+37}:\\ \;\;\;\;\frac{\frac{x}{y} - \frac{x \cdot b}{y}}{a}\\ \mathbf{elif}\;b \leq 7.2 \cdot 10^{+92}:\\ \;\;\;\;\frac{x}{y \cdot a}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{y \cdot \left(a \cdot b\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 17: 34.5% accurate, 26.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq 4.8 \cdot 10^{+92}:\\ \;\;\;\;\frac{x}{y \cdot a}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{a \cdot \left(y \cdot b\right)}\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (if (<= b 4.8e+92) (/ x (* y a)) (/ x (* a (* y b)))))
double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (b <= 4.8e+92) {
		tmp = x / (y * a);
	} else {
		tmp = x / (a * (y * b));
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if (b <= 4.8d+92) then
        tmp = x / (y * a)
    else
        tmp = x / (a * (y * b))
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (b <= 4.8e+92) {
		tmp = x / (y * a);
	} else {
		tmp = x / (a * (y * b));
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	tmp = 0
	if b <= 4.8e+92:
		tmp = x / (y * a)
	else:
		tmp = x / (a * (y * b))
	return tmp
function code(x, y, z, t, a, b)
	tmp = 0.0
	if (b <= 4.8e+92)
		tmp = Float64(x / Float64(y * a));
	else
		tmp = Float64(x / Float64(a * Float64(y * b)));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	tmp = 0.0;
	if (b <= 4.8e+92)
		tmp = x / (y * a);
	else
		tmp = x / (a * (y * b));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := If[LessEqual[b, 4.8e+92], N[(x / N[(y * a), $MachinePrecision]), $MachinePrecision], N[(x / N[(a * N[(y * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq 4.8 \cdot 10^{+92}:\\
\;\;\;\;\frac{x}{y \cdot a}\\

\mathbf{else}:\\
\;\;\;\;\frac{x}{a \cdot \left(y \cdot b\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if b < 4.80000000000000009e92

    1. Initial program 98.2%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/85.6%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative85.6%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative85.6%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+85.6%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum68.6%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative68.6%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow69.4%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg69.4%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval69.4%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff64.1%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative64.1%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow64.1%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified64.1%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 63.6%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac59.8%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified59.8%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 52.2%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Taylor expanded in b around 0 30.8%

      \[\leadsto \color{blue}{\frac{x}{a \cdot y}} \]
    10. Step-by-step derivation
      1. *-commutative30.8%

        \[\leadsto \frac{x}{\color{blue}{y \cdot a}} \]
    11. Simplified30.8%

      \[\leadsto \color{blue}{\frac{x}{y \cdot a}} \]

    if 4.80000000000000009e92 < b

    1. Initial program 100.0%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/84.0%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative84.0%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative84.0%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+84.0%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum52.0%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative52.0%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow52.0%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg52.0%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval52.0%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff44.0%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative44.0%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow44.0%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified44.0%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 74.2%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac74.2%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified74.2%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 86.2%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Step-by-step derivation
      1. associate-*r*82.2%

        \[\leadsto \frac{x}{\color{blue}{\left(a \cdot y\right) \cdot e^{b}}} \]
      2. rem-exp-log48.1%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right)}} \cdot e^{b}} \]
      3. exp-sum48.2%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right) + b}}} \]
      4. +-commutative48.2%

        \[\leadsto \frac{x}{e^{\color{blue}{b + \log \left(a \cdot y\right)}}} \]
      5. exp-sum48.1%

        \[\leadsto \frac{x}{\color{blue}{e^{b} \cdot e^{\log \left(a \cdot y\right)}}} \]
      6. rem-exp-log82.2%

        \[\leadsto \frac{x}{e^{b} \cdot \color{blue}{\left(a \cdot y\right)}} \]
    10. Simplified82.2%

      \[\leadsto \color{blue}{\frac{x}{e^{b} \cdot \left(a \cdot y\right)}} \]
    11. Taylor expanded in b around 0 49.8%

      \[\leadsto \frac{x}{\color{blue}{a \cdot y + a \cdot \left(b \cdot y\right)}} \]
    12. Step-by-step derivation
      1. distribute-lft-out49.8%

        \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + b \cdot y\right)}} \]
      2. *-commutative49.8%

        \[\leadsto \frac{x}{a \cdot \left(y + \color{blue}{y \cdot b}\right)} \]
    13. Simplified49.8%

      \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + y \cdot b\right)}} \]
    14. Taylor expanded in b around inf 49.8%

      \[\leadsto \frac{x}{a \cdot \color{blue}{\left(b \cdot y\right)}} \]
    15. Step-by-step derivation
      1. *-commutative49.8%

        \[\leadsto \frac{x}{a \cdot \color{blue}{\left(y \cdot b\right)}} \]
    16. Simplified49.8%

      \[\leadsto \frac{x}{a \cdot \color{blue}{\left(y \cdot b\right)}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification34.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq 4.8 \cdot 10^{+92}:\\ \;\;\;\;\frac{x}{y \cdot a}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{a \cdot \left(y \cdot b\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 18: 34.7% accurate, 26.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq 7.2 \cdot 10^{+92}:\\ \;\;\;\;\frac{x}{y \cdot a}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{y \cdot \left(a \cdot b\right)}\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (if (<= b 7.2e+92) (/ x (* y a)) (/ x (* y (* a b)))))
double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (b <= 7.2e+92) {
		tmp = x / (y * a);
	} else {
		tmp = x / (y * (a * b));
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if (b <= 7.2d+92) then
        tmp = x / (y * a)
    else
        tmp = x / (y * (a * b))
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (b <= 7.2e+92) {
		tmp = x / (y * a);
	} else {
		tmp = x / (y * (a * b));
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	tmp = 0
	if b <= 7.2e+92:
		tmp = x / (y * a)
	else:
		tmp = x / (y * (a * b))
	return tmp
function code(x, y, z, t, a, b)
	tmp = 0.0
	if (b <= 7.2e+92)
		tmp = Float64(x / Float64(y * a));
	else
		tmp = Float64(x / Float64(y * Float64(a * b)));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	tmp = 0.0;
	if (b <= 7.2e+92)
		tmp = x / (y * a);
	else
		tmp = x / (y * (a * b));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := If[LessEqual[b, 7.2e+92], N[(x / N[(y * a), $MachinePrecision]), $MachinePrecision], N[(x / N[(y * N[(a * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq 7.2 \cdot 10^{+92}:\\
\;\;\;\;\frac{x}{y \cdot a}\\

\mathbf{else}:\\
\;\;\;\;\frac{x}{y \cdot \left(a \cdot b\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if b < 7.2e92

    1. Initial program 98.2%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/85.6%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative85.6%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative85.6%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+85.6%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum68.6%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative68.6%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow69.4%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg69.4%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval69.4%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff64.1%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative64.1%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow64.1%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified64.1%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 63.6%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac59.8%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified59.8%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 52.2%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Taylor expanded in b around 0 30.8%

      \[\leadsto \color{blue}{\frac{x}{a \cdot y}} \]
    10. Step-by-step derivation
      1. *-commutative30.8%

        \[\leadsto \frac{x}{\color{blue}{y \cdot a}} \]
    11. Simplified30.8%

      \[\leadsto \color{blue}{\frac{x}{y \cdot a}} \]

    if 7.2e92 < b

    1. Initial program 100.0%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/84.0%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative84.0%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative84.0%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+84.0%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum52.0%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative52.0%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow52.0%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg52.0%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval52.0%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff44.0%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative44.0%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow44.0%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified44.0%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 74.2%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac74.2%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified74.2%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 86.2%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Step-by-step derivation
      1. associate-*r*82.2%

        \[\leadsto \frac{x}{\color{blue}{\left(a \cdot y\right) \cdot e^{b}}} \]
      2. rem-exp-log48.1%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right)}} \cdot e^{b}} \]
      3. exp-sum48.2%

        \[\leadsto \frac{x}{\color{blue}{e^{\log \left(a \cdot y\right) + b}}} \]
      4. +-commutative48.2%

        \[\leadsto \frac{x}{e^{\color{blue}{b + \log \left(a \cdot y\right)}}} \]
      5. exp-sum48.1%

        \[\leadsto \frac{x}{\color{blue}{e^{b} \cdot e^{\log \left(a \cdot y\right)}}} \]
      6. rem-exp-log82.2%

        \[\leadsto \frac{x}{e^{b} \cdot \color{blue}{\left(a \cdot y\right)}} \]
    10. Simplified82.2%

      \[\leadsto \color{blue}{\frac{x}{e^{b} \cdot \left(a \cdot y\right)}} \]
    11. Taylor expanded in b around 0 49.8%

      \[\leadsto \frac{x}{\color{blue}{a \cdot y + a \cdot \left(b \cdot y\right)}} \]
    12. Step-by-step derivation
      1. distribute-lft-out49.8%

        \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + b \cdot y\right)}} \]
      2. *-commutative49.8%

        \[\leadsto \frac{x}{a \cdot \left(y + \color{blue}{y \cdot b}\right)} \]
    13. Simplified49.8%

      \[\leadsto \frac{x}{\color{blue}{a \cdot \left(y + y \cdot b\right)}} \]
    14. Taylor expanded in b around inf 49.8%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(b \cdot y\right)}} \]
    15. Step-by-step derivation
      1. associate-*r*55.1%

        \[\leadsto \frac{x}{\color{blue}{\left(a \cdot b\right) \cdot y}} \]
      2. *-commutative55.1%

        \[\leadsto \frac{x}{\color{blue}{\left(b \cdot a\right)} \cdot y} \]
      3. *-commutative55.1%

        \[\leadsto \frac{x}{\color{blue}{y \cdot \left(b \cdot a\right)}} \]
      4. *-commutative55.1%

        \[\leadsto \frac{x}{y \cdot \color{blue}{\left(a \cdot b\right)}} \]
    16. Simplified55.1%

      \[\leadsto \color{blue}{\frac{x}{y \cdot \left(a \cdot b\right)}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification35.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq 7.2 \cdot 10^{+92}:\\ \;\;\;\;\frac{x}{y \cdot a}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{y \cdot \left(a \cdot b\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 19: 31.3% accurate, 31.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;a \leq 5.2 \cdot 10^{-136}:\\ \;\;\;\;\frac{\frac{x}{a}}{y}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{y \cdot a}\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (if (<= a 5.2e-136) (/ (/ x a) y) (/ x (* y a))))
double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (a <= 5.2e-136) {
		tmp = (x / a) / y;
	} else {
		tmp = x / (y * a);
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if (a <= 5.2d-136) then
        tmp = (x / a) / y
    else
        tmp = x / (y * a)
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (a <= 5.2e-136) {
		tmp = (x / a) / y;
	} else {
		tmp = x / (y * a);
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	tmp = 0
	if a <= 5.2e-136:
		tmp = (x / a) / y
	else:
		tmp = x / (y * a)
	return tmp
function code(x, y, z, t, a, b)
	tmp = 0.0
	if (a <= 5.2e-136)
		tmp = Float64(Float64(x / a) / y);
	else
		tmp = Float64(x / Float64(y * a));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	tmp = 0.0;
	if (a <= 5.2e-136)
		tmp = (x / a) / y;
	else
		tmp = x / (y * a);
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := If[LessEqual[a, 5.2e-136], N[(N[(x / a), $MachinePrecision] / y), $MachinePrecision], N[(x / N[(y * a), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;a \leq 5.2 \cdot 10^{-136}:\\
\;\;\;\;\frac{\frac{x}{a}}{y}\\

\mathbf{else}:\\
\;\;\;\;\frac{x}{y \cdot a}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if a < 5.19999999999999993e-136

    1. Initial program 99.3%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Add Preprocessing
    3. Taylor expanded in t around 0 77.4%

      \[\leadsto \frac{x \cdot \color{blue}{e^{\left(-1 \cdot \log a + y \cdot \log z\right) - b}}}{y} \]
    4. Step-by-step derivation
      1. +-commutative77.4%

        \[\leadsto \frac{x \cdot e^{\color{blue}{\left(y \cdot \log z + -1 \cdot \log a\right)} - b}}{y} \]
      2. mul-1-neg77.4%

        \[\leadsto \frac{x \cdot e^{\left(y \cdot \log z + \color{blue}{\left(-\log a\right)}\right) - b}}{y} \]
      3. unsub-neg77.4%

        \[\leadsto \frac{x \cdot e^{\color{blue}{\left(y \cdot \log z - \log a\right)} - b}}{y} \]
    5. Simplified77.4%

      \[\leadsto \frac{x \cdot \color{blue}{e^{\left(y \cdot \log z - \log a\right) - b}}}{y} \]
    6. Taylor expanded in b around 0 63.0%

      \[\leadsto \frac{x \cdot \color{blue}{e^{y \cdot \log z - \log a}}}{y} \]
    7. Step-by-step derivation
      1. div-exp63.0%

        \[\leadsto \frac{x \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{\log a}}}}{y} \]
      2. *-commutative63.0%

        \[\leadsto \frac{x \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{\log a}}}{y} \]
      3. exp-to-pow63.0%

        \[\leadsto \frac{x \cdot \frac{\color{blue}{{z}^{y}}}{e^{\log a}}}{y} \]
      4. rem-exp-log63.4%

        \[\leadsto \frac{x \cdot \frac{{z}^{y}}{\color{blue}{a}}}{y} \]
    8. Simplified63.4%

      \[\leadsto \frac{x \cdot \color{blue}{\frac{{z}^{y}}{a}}}{y} \]
    9. Taylor expanded in y around 0 28.7%

      \[\leadsto \frac{\color{blue}{\frac{x}{a}}}{y} \]

    if 5.19999999999999993e-136 < a

    1. Initial program 98.2%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/82.9%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative82.9%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative82.9%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+82.9%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum62.5%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative62.5%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow63.1%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg63.1%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval63.1%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff57.4%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative57.4%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow57.4%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified57.4%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 65.2%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac64.2%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified64.2%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 64.0%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Taylor expanded in b around 0 31.6%

      \[\leadsto \color{blue}{\frac{x}{a \cdot y}} \]
    10. Step-by-step derivation
      1. *-commutative31.6%

        \[\leadsto \frac{x}{\color{blue}{y \cdot a}} \]
    11. Simplified31.6%

      \[\leadsto \color{blue}{\frac{x}{y \cdot a}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification30.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;a \leq 5.2 \cdot 10^{-136}:\\ \;\;\;\;\frac{\frac{x}{a}}{y}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{y \cdot a}\\ \end{array} \]
  5. Add Preprocessing

Alternative 20: 31.0% accurate, 31.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;a \leq 4 \cdot 10^{-136}:\\ \;\;\;\;\frac{\frac{x}{y}}{a}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{y \cdot a}\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (if (<= a 4e-136) (/ (/ x y) a) (/ x (* y a))))
double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (a <= 4e-136) {
		tmp = (x / y) / a;
	} else {
		tmp = x / (y * a);
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if (a <= 4d-136) then
        tmp = (x / y) / a
    else
        tmp = x / (y * a)
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double tmp;
	if (a <= 4e-136) {
		tmp = (x / y) / a;
	} else {
		tmp = x / (y * a);
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	tmp = 0
	if a <= 4e-136:
		tmp = (x / y) / a
	else:
		tmp = x / (y * a)
	return tmp
function code(x, y, z, t, a, b)
	tmp = 0.0
	if (a <= 4e-136)
		tmp = Float64(Float64(x / y) / a);
	else
		tmp = Float64(x / Float64(y * a));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	tmp = 0.0;
	if (a <= 4e-136)
		tmp = (x / y) / a;
	else
		tmp = x / (y * a);
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := If[LessEqual[a, 4e-136], N[(N[(x / y), $MachinePrecision] / a), $MachinePrecision], N[(x / N[(y * a), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;a \leq 4 \cdot 10^{-136}:\\
\;\;\;\;\frac{\frac{x}{y}}{a}\\

\mathbf{else}:\\
\;\;\;\;\frac{x}{y \cdot a}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if a < 4.00000000000000001e-136

    1. Initial program 99.3%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/90.5%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative90.5%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative90.5%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+90.5%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum71.8%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative71.8%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow72.4%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg72.4%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval72.4%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff66.2%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative66.2%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow66.2%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified66.2%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 66.7%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac59.2%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified59.2%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in b around 0 62.1%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot y}} \]
    9. Step-by-step derivation
      1. times-frac53.4%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y}} \]
    10. Simplified53.4%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y}} \]
    11. Taylor expanded in y around 0 28.6%

      \[\leadsto \frac{x}{a} \cdot \color{blue}{\frac{1}{y}} \]
    12. Step-by-step derivation
      1. associate-*l/28.7%

        \[\leadsto \color{blue}{\frac{x \cdot \frac{1}{y}}{a}} \]
      2. div-inv28.7%

        \[\leadsto \frac{\color{blue}{\frac{x}{y}}}{a} \]
    13. Applied egg-rr28.7%

      \[\leadsto \color{blue}{\frac{\frac{x}{y}}{a}} \]

    if 4.00000000000000001e-136 < a

    1. Initial program 98.2%

      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
    2. Step-by-step derivation
      1. associate-*l/82.9%

        \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
      2. *-commutative82.9%

        \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
      3. +-commutative82.9%

        \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
      4. associate--l+82.9%

        \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
      5. exp-sum62.5%

        \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
      6. *-commutative62.5%

        \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      7. exp-to-pow63.1%

        \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      8. sub-neg63.1%

        \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      9. metadata-eval63.1%

        \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
      10. exp-diff57.4%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
      11. *-commutative57.4%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
      12. exp-to-pow57.4%

        \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    3. Simplified57.4%

      \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 65.2%

      \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
    6. Step-by-step derivation
      1. times-frac64.2%

        \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    7. Simplified64.2%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
    8. Taylor expanded in y around 0 64.0%

      \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
    9. Taylor expanded in b around 0 31.6%

      \[\leadsto \color{blue}{\frac{x}{a \cdot y}} \]
    10. Step-by-step derivation
      1. *-commutative31.6%

        \[\leadsto \frac{x}{\color{blue}{y \cdot a}} \]
    11. Simplified31.6%

      \[\leadsto \color{blue}{\frac{x}{y \cdot a}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification30.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;a \leq 4 \cdot 10^{-136}:\\ \;\;\;\;\frac{\frac{x}{y}}{a}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{y \cdot a}\\ \end{array} \]
  5. Add Preprocessing

Alternative 21: 30.1% accurate, 63.0× speedup?

\[\begin{array}{l} \\ \frac{x}{y \cdot a} \end{array} \]
(FPCore (x y z t a b) :precision binary64 (/ x (* y a)))
double code(double x, double y, double z, double t, double a, double b) {
	return x / (y * a);
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = x / (y * a)
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	return x / (y * a);
}
def code(x, y, z, t, a, b):
	return x / (y * a)
function code(x, y, z, t, a, b)
	return Float64(x / Float64(y * a))
end
function tmp = code(x, y, z, t, a, b)
	tmp = x / (y * a);
end
code[x_, y_, z_, t_, a_, b_] := N[(x / N[(y * a), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{x}{y \cdot a}
\end{array}
Derivation
  1. Initial program 98.6%

    \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}}{y} \]
  2. Step-by-step derivation
    1. associate-*l/85.3%

      \[\leadsto \color{blue}{\frac{x}{y} \cdot e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b}} \]
    2. *-commutative85.3%

      \[\leadsto \color{blue}{e^{\left(y \cdot \log z + \left(t - 1\right) \cdot \log a\right) - b} \cdot \frac{x}{y}} \]
    3. +-commutative85.3%

      \[\leadsto e^{\color{blue}{\left(\left(t - 1\right) \cdot \log a + y \cdot \log z\right)} - b} \cdot \frac{x}{y} \]
    4. associate--l+85.3%

      \[\leadsto e^{\color{blue}{\left(t - 1\right) \cdot \log a + \left(y \cdot \log z - b\right)}} \cdot \frac{x}{y} \]
    5. exp-sum65.4%

      \[\leadsto \color{blue}{\left(e^{\left(t - 1\right) \cdot \log a} \cdot e^{y \cdot \log z - b}\right)} \cdot \frac{x}{y} \]
    6. *-commutative65.4%

      \[\leadsto \left(e^{\color{blue}{\log a \cdot \left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
    7. exp-to-pow66.0%

      \[\leadsto \left(\color{blue}{{a}^{\left(t - 1\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
    8. sub-neg66.0%

      \[\leadsto \left({a}^{\color{blue}{\left(t + \left(-1\right)\right)}} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
    9. metadata-eval66.0%

      \[\leadsto \left({a}^{\left(t + \color{blue}{-1}\right)} \cdot e^{y \cdot \log z - b}\right) \cdot \frac{x}{y} \]
    10. exp-diff60.1%

      \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \color{blue}{\frac{e^{y \cdot \log z}}{e^{b}}}\right) \cdot \frac{x}{y} \]
    11. *-commutative60.1%

      \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{e^{\color{blue}{\log z \cdot y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
    12. exp-to-pow60.1%

      \[\leadsto \left({a}^{\left(t + -1\right)} \cdot \frac{\color{blue}{{z}^{y}}}{e^{b}}\right) \cdot \frac{x}{y} \]
  3. Simplified60.1%

    \[\leadsto \color{blue}{\left({a}^{\left(t + -1\right)} \cdot \frac{{z}^{y}}{e^{b}}\right) \cdot \frac{x}{y}} \]
  4. Add Preprocessing
  5. Taylor expanded in t around 0 65.7%

    \[\leadsto \color{blue}{\frac{x \cdot {z}^{y}}{a \cdot \left(y \cdot e^{b}\right)}} \]
  6. Step-by-step derivation
    1. times-frac62.6%

      \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
  7. Simplified62.6%

    \[\leadsto \color{blue}{\frac{x}{a} \cdot \frac{{z}^{y}}{y \cdot e^{b}}} \]
  8. Taylor expanded in y around 0 58.9%

    \[\leadsto \color{blue}{\frac{x}{a \cdot \left(y \cdot e^{b}\right)}} \]
  9. Taylor expanded in b around 0 28.8%

    \[\leadsto \color{blue}{\frac{x}{a \cdot y}} \]
  10. Step-by-step derivation
    1. *-commutative28.8%

      \[\leadsto \frac{x}{\color{blue}{y \cdot a}} \]
  11. Simplified28.8%

    \[\leadsto \color{blue}{\frac{x}{y \cdot a}} \]
  12. Final simplification28.8%

    \[\leadsto \frac{x}{y \cdot a} \]
  13. Add Preprocessing

Developer target: 71.7% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := {a}^{\left(t - 1\right)}\\ t_2 := \frac{x \cdot \frac{t_1}{y}}{\left(b + 1\right) - y \cdot \log z}\\ \mathbf{if}\;t < -0.8845848504127471:\\ \;\;\;\;t_2\\ \mathbf{elif}\;t < 852031.2288374073:\\ \;\;\;\;\frac{\frac{x}{y} \cdot t_1}{e^{b - \log z \cdot y}}\\ \mathbf{else}:\\ \;\;\;\;t_2\\ \end{array} \end{array} \]
(FPCore (x y z t a b)
 :precision binary64
 (let* ((t_1 (pow a (- t 1.0)))
        (t_2 (/ (* x (/ t_1 y)) (- (+ b 1.0) (* y (log z))))))
   (if (< t -0.8845848504127471)
     t_2
     (if (< t 852031.2288374073)
       (/ (* (/ x y) t_1) (exp (- b (* (log z) y))))
       t_2))))
double code(double x, double y, double z, double t, double a, double b) {
	double t_1 = pow(a, (t - 1.0));
	double t_2 = (x * (t_1 / y)) / ((b + 1.0) - (y * log(z)));
	double tmp;
	if (t < -0.8845848504127471) {
		tmp = t_2;
	} else if (t < 852031.2288374073) {
		tmp = ((x / y) * t_1) / exp((b - (log(z) * y)));
	} else {
		tmp = t_2;
	}
	return tmp;
}
real(8) function code(x, y, z, t, a, b)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: t_1
    real(8) :: t_2
    real(8) :: tmp
    t_1 = a ** (t - 1.0d0)
    t_2 = (x * (t_1 / y)) / ((b + 1.0d0) - (y * log(z)))
    if (t < (-0.8845848504127471d0)) then
        tmp = t_2
    else if (t < 852031.2288374073d0) then
        tmp = ((x / y) * t_1) / exp((b - (log(z) * y)))
    else
        tmp = t_2
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
	double t_1 = Math.pow(a, (t - 1.0));
	double t_2 = (x * (t_1 / y)) / ((b + 1.0) - (y * Math.log(z)));
	double tmp;
	if (t < -0.8845848504127471) {
		tmp = t_2;
	} else if (t < 852031.2288374073) {
		tmp = ((x / y) * t_1) / Math.exp((b - (Math.log(z) * y)));
	} else {
		tmp = t_2;
	}
	return tmp;
}
def code(x, y, z, t, a, b):
	t_1 = math.pow(a, (t - 1.0))
	t_2 = (x * (t_1 / y)) / ((b + 1.0) - (y * math.log(z)))
	tmp = 0
	if t < -0.8845848504127471:
		tmp = t_2
	elif t < 852031.2288374073:
		tmp = ((x / y) * t_1) / math.exp((b - (math.log(z) * y)))
	else:
		tmp = t_2
	return tmp
function code(x, y, z, t, a, b)
	t_1 = a ^ Float64(t - 1.0)
	t_2 = Float64(Float64(x * Float64(t_1 / y)) / Float64(Float64(b + 1.0) - Float64(y * log(z))))
	tmp = 0.0
	if (t < -0.8845848504127471)
		tmp = t_2;
	elseif (t < 852031.2288374073)
		tmp = Float64(Float64(Float64(x / y) * t_1) / exp(Float64(b - Float64(log(z) * y))));
	else
		tmp = t_2;
	end
	return tmp
end
function tmp_2 = code(x, y, z, t, a, b)
	t_1 = a ^ (t - 1.0);
	t_2 = (x * (t_1 / y)) / ((b + 1.0) - (y * log(z)));
	tmp = 0.0;
	if (t < -0.8845848504127471)
		tmp = t_2;
	elseif (t < 852031.2288374073)
		tmp = ((x / y) * t_1) / exp((b - (log(z) * y)));
	else
		tmp = t_2;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_, a_, b_] := Block[{t$95$1 = N[Power[a, N[(t - 1.0), $MachinePrecision]], $MachinePrecision]}, Block[{t$95$2 = N[(N[(x * N[(t$95$1 / y), $MachinePrecision]), $MachinePrecision] / N[(N[(b + 1.0), $MachinePrecision] - N[(y * N[Log[z], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[Less[t, -0.8845848504127471], t$95$2, If[Less[t, 852031.2288374073], N[(N[(N[(x / y), $MachinePrecision] * t$95$1), $MachinePrecision] / N[Exp[N[(b - N[(N[Log[z], $MachinePrecision] * y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], t$95$2]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := {a}^{\left(t - 1\right)}\\
t_2 := \frac{x \cdot \frac{t_1}{y}}{\left(b + 1\right) - y \cdot \log z}\\
\mathbf{if}\;t < -0.8845848504127471:\\
\;\;\;\;t_2\\

\mathbf{elif}\;t < 852031.2288374073:\\
\;\;\;\;\frac{\frac{x}{y} \cdot t_1}{e^{b - \log z \cdot y}}\\

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


\end{array}
\end{array}

Reproduce

?
herbie shell --seed 2024020 
(FPCore (x y z t a b)
  :name "Numeric.SpecFunctions:incompleteBetaWorker from math-functions-0.1.5.2, A"
  :precision binary64

  :herbie-target
  (if (< t -0.8845848504127471) (/ (* x (/ (pow a (- t 1.0)) y)) (- (+ b 1.0) (* y (log z)))) (if (< t 852031.2288374073) (/ (* (/ x y) (pow a (- t 1.0))) (exp (- b (* (log z) y)))) (/ (* x (/ (pow a (- t 1.0)) y)) (- (+ b 1.0) (* y (log z))))))

  (/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y))