Diagrams.Solve.Polynomial:cubForm from diagrams-solve-0.1, H

Percentage Accurate: 96.1% → 97.7%
Time: 8.9s
Alternatives: 12
Speedup: 1.0×

Specification

?
\[\begin{array}{l} \\ \left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (+ (- x (/ y (* z 3.0))) (/ t (* (* z 3.0) y))))
double code(double x, double y, double z, double t) {
	return (x - (y / (z * 3.0))) + (t / ((z * 3.0) * y));
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    code = (x - (y / (z * 3.0d0))) + (t / ((z * 3.0d0) * y))
end function
public static double code(double x, double y, double z, double t) {
	return (x - (y / (z * 3.0))) + (t / ((z * 3.0) * y));
}
def code(x, y, z, t):
	return (x - (y / (z * 3.0))) + (t / ((z * 3.0) * y))
function code(x, y, z, t)
	return Float64(Float64(x - Float64(y / Float64(z * 3.0))) + Float64(t / Float64(Float64(z * 3.0) * y)))
end
function tmp = code(x, y, z, t)
	tmp = (x - (y / (z * 3.0))) + (t / ((z * 3.0) * y));
end
code[x_, y_, z_, t_] := N[(N[(x - N[(y / N[(z * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(t / N[(N[(z * 3.0), $MachinePrecision] * y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot 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 12 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: 96.1% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (+ (- x (/ y (* z 3.0))) (/ t (* (* z 3.0) y))))
double code(double x, double y, double z, double t) {
	return (x - (y / (z * 3.0))) + (t / ((z * 3.0) * y));
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    code = (x - (y / (z * 3.0d0))) + (t / ((z * 3.0d0) * y))
end function
public static double code(double x, double y, double z, double t) {
	return (x - (y / (z * 3.0))) + (t / ((z * 3.0) * y));
}
def code(x, y, z, t):
	return (x - (y / (z * 3.0))) + (t / ((z * 3.0) * y))
function code(x, y, z, t)
	return Float64(Float64(x - Float64(y / Float64(z * 3.0))) + Float64(t / Float64(Float64(z * 3.0) * y)))
end
function tmp = code(x, y, z, t)
	tmp = (x - (y / (z * 3.0))) + (t / ((z * 3.0) * y));
end
code[x_, y_, z_, t_] := N[(N[(x - N[(y / N[(z * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(t / N[(N[(z * 3.0), $MachinePrecision] * y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y}
\end{array}

Alternative 1: 97.7% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{y}{z \cdot 3}\\ \mathbf{if}\;\left(x - t_1\right) + \frac{t}{y \cdot \left(z \cdot 3\right)} \leq 2 \cdot 10^{+287}:\\ \;\;\;\;x + \left(\frac{t}{z \cdot \left(y \cdot 3\right)} - t_1\right)\\ \mathbf{else}:\\ \;\;\;\;x + \frac{1}{3 \cdot \frac{z}{\frac{t}{y} - y}}\\ \end{array} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (let* ((t_1 (/ y (* z 3.0))))
   (if (<= (+ (- x t_1) (/ t (* y (* z 3.0)))) 2e+287)
     (+ x (- (/ t (* z (* y 3.0))) t_1))
     (+ x (/ 1.0 (* 3.0 (/ z (- (/ t y) y))))))))
double code(double x, double y, double z, double t) {
	double t_1 = y / (z * 3.0);
	double tmp;
	if (((x - t_1) + (t / (y * (z * 3.0)))) <= 2e+287) {
		tmp = x + ((t / (z * (y * 3.0))) - t_1);
	} else {
		tmp = x + (1.0 / (3.0 * (z / ((t / y) - y))));
	}
	return tmp;
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8) :: t_1
    real(8) :: tmp
    t_1 = y / (z * 3.0d0)
    if (((x - t_1) + (t / (y * (z * 3.0d0)))) <= 2d+287) then
        tmp = x + ((t / (z * (y * 3.0d0))) - t_1)
    else
        tmp = x + (1.0d0 / (3.0d0 * (z / ((t / y) - y))))
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t) {
	double t_1 = y / (z * 3.0);
	double tmp;
	if (((x - t_1) + (t / (y * (z * 3.0)))) <= 2e+287) {
		tmp = x + ((t / (z * (y * 3.0))) - t_1);
	} else {
		tmp = x + (1.0 / (3.0 * (z / ((t / y) - y))));
	}
	return tmp;
}
def code(x, y, z, t):
	t_1 = y / (z * 3.0)
	tmp = 0
	if ((x - t_1) + (t / (y * (z * 3.0)))) <= 2e+287:
		tmp = x + ((t / (z * (y * 3.0))) - t_1)
	else:
		tmp = x + (1.0 / (3.0 * (z / ((t / y) - y))))
	return tmp
function code(x, y, z, t)
	t_1 = Float64(y / Float64(z * 3.0))
	tmp = 0.0
	if (Float64(Float64(x - t_1) + Float64(t / Float64(y * Float64(z * 3.0)))) <= 2e+287)
		tmp = Float64(x + Float64(Float64(t / Float64(z * Float64(y * 3.0))) - t_1));
	else
		tmp = Float64(x + Float64(1.0 / Float64(3.0 * Float64(z / Float64(Float64(t / y) - y)))));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t)
	t_1 = y / (z * 3.0);
	tmp = 0.0;
	if (((x - t_1) + (t / (y * (z * 3.0)))) <= 2e+287)
		tmp = x + ((t / (z * (y * 3.0))) - t_1);
	else
		tmp = x + (1.0 / (3.0 * (z / ((t / y) - y))));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(y / N[(z * 3.0), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(N[(x - t$95$1), $MachinePrecision] + N[(t / N[(y * N[(z * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2e+287], N[(x + N[(N[(t / N[(z * N[(y * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - t$95$1), $MachinePrecision]), $MachinePrecision], N[(x + N[(1.0 / N[(3.0 * N[(z / N[(N[(t / y), $MachinePrecision] - y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \frac{y}{z \cdot 3}\\
\mathbf{if}\;\left(x - t_1\right) + \frac{t}{y \cdot \left(z \cdot 3\right)} \leq 2 \cdot 10^{+287}:\\
\;\;\;\;x + \left(\frac{t}{z \cdot \left(y \cdot 3\right)} - t_1\right)\\

\mathbf{else}:\\
\;\;\;\;x + \frac{1}{3 \cdot \frac{z}{\frac{t}{y} - y}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (+.f64 (-.f64 x (/.f64 y (*.f64 z 3))) (/.f64 t (*.f64 (*.f64 z 3) y))) < 2.0000000000000002e287

    1. Initial program 98.4%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-98.4%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. associate-/r*95.5%

        \[\leadsto x - \left(\frac{y}{z \cdot 3} - \color{blue}{\frac{\frac{t}{z \cdot 3}}{y}}\right) \]
      3. associate-/r*98.4%

        \[\leadsto x - \left(\frac{y}{z \cdot 3} - \color{blue}{\frac{t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      4. associate-*l*98.4%

        \[\leadsto x - \left(\frac{y}{z \cdot 3} - \frac{t}{\color{blue}{z \cdot \left(3 \cdot y\right)}}\right) \]
    3. Applied egg-rr98.4%

      \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{z \cdot \left(3 \cdot y\right)}\right)} \]

    if 2.0000000000000002e287 < (+.f64 (-.f64 x (/.f64 y (*.f64 z 3))) (/.f64 t (*.f64 (*.f64 z 3) y)))

    1. Initial program 75.7%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-75.7%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg75.7%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg75.7%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in75.7%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg75.7%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-175.7%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/75.7%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/75.7%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac75.7%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-175.7%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac91.3%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--99.8%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative99.8%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*99.7%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval99.7%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified99.7%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Taylor expanded in y around 0 75.6%

      \[\leadsto x + \color{blue}{\left(-0.3333333333333333 \cdot \frac{y}{z} + 0.3333333333333333 \cdot \frac{t}{y \cdot z}\right)} \]
    5. Step-by-step derivation
      1. +-commutative75.6%

        \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \frac{t}{y \cdot z} + -0.3333333333333333 \cdot \frac{y}{z}\right)} \]
      2. metadata-eval75.6%

        \[\leadsto x + \left(0.3333333333333333 \cdot \frac{t}{y \cdot z} + \color{blue}{\left(-0.3333333333333333\right)} \cdot \frac{y}{z}\right) \]
      3. cancel-sign-sub-inv75.6%

        \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \frac{t}{y \cdot z} - 0.3333333333333333 \cdot \frac{y}{z}\right)} \]
      4. associate-/r*91.3%

        \[\leadsto x + \left(0.3333333333333333 \cdot \color{blue}{\frac{\frac{t}{y}}{z}} - 0.3333333333333333 \cdot \frac{y}{z}\right) \]
      5. associate-*r/91.3%

        \[\leadsto x + \left(\color{blue}{\frac{0.3333333333333333 \cdot \frac{t}{y}}{z}} - 0.3333333333333333 \cdot \frac{y}{z}\right) \]
      6. associate-*r/91.3%

        \[\leadsto x + \left(\frac{0.3333333333333333 \cdot \frac{t}{y}}{z} - \color{blue}{\frac{0.3333333333333333 \cdot y}{z}}\right) \]
      7. div-sub99.8%

        \[\leadsto x + \color{blue}{\frac{0.3333333333333333 \cdot \frac{t}{y} - 0.3333333333333333 \cdot y}{z}} \]
      8. distribute-lft-out--99.8%

        \[\leadsto x + \frac{\color{blue}{0.3333333333333333 \cdot \left(\frac{t}{y} - y\right)}}{z} \]
    6. Simplified99.8%

      \[\leadsto x + \color{blue}{\frac{0.3333333333333333 \cdot \left(\frac{t}{y} - y\right)}{z}} \]
    7. Taylor expanded in x around 0 99.8%

      \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{\frac{t}{y} - y}{z} + x} \]
    8. Step-by-step derivation
      1. clear-num99.8%

        \[\leadsto 0.3333333333333333 \cdot \color{blue}{\frac{1}{\frac{z}{\frac{t}{y} - y}}} + x \]
      2. div-inv99.8%

        \[\leadsto \color{blue}{\frac{0.3333333333333333}{\frac{z}{\frac{t}{y} - y}}} + x \]
      3. clear-num99.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{\frac{z}{\frac{t}{y} - y}}{0.3333333333333333}}} + x \]
      4. div-inv99.9%

        \[\leadsto \frac{1}{\color{blue}{\frac{z}{\frac{t}{y} - y} \cdot \frac{1}{0.3333333333333333}}} + x \]
      5. metadata-eval99.9%

        \[\leadsto \frac{1}{\frac{z}{\frac{t}{y} - y} \cdot \color{blue}{3}} + x \]
    9. Applied egg-rr99.9%

      \[\leadsto \color{blue}{\frac{1}{\frac{z}{\frac{t}{y} - y} \cdot 3}} + x \]
  3. Recombined 2 regimes into one program.
  4. Final simplification98.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{y \cdot \left(z \cdot 3\right)} \leq 2 \cdot 10^{+287}:\\ \;\;\;\;x + \left(\frac{t}{z \cdot \left(y \cdot 3\right)} - \frac{y}{z \cdot 3}\right)\\ \mathbf{else}:\\ \;\;\;\;x + \frac{1}{3 \cdot \frac{z}{\frac{t}{y} - y}}\\ \end{array} \]

Alternative 2: 98.0% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{y \cdot \left(z \cdot 3\right)}\\ \mathbf{if}\;t_1 \leq 5 \cdot 10^{+304}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;x + \frac{1}{3 \cdot \frac{z}{\frac{t}{y} - y}}\\ \end{array} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (let* ((t_1 (+ (- x (/ y (* z 3.0))) (/ t (* y (* z 3.0))))))
   (if (<= t_1 5e+304) t_1 (+ x (/ 1.0 (* 3.0 (/ z (- (/ t y) y))))))))
double code(double x, double y, double z, double t) {
	double t_1 = (x - (y / (z * 3.0))) + (t / (y * (z * 3.0)));
	double tmp;
	if (t_1 <= 5e+304) {
		tmp = t_1;
	} else {
		tmp = x + (1.0 / (3.0 * (z / ((t / y) - y))));
	}
	return tmp;
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8) :: t_1
    real(8) :: tmp
    t_1 = (x - (y / (z * 3.0d0))) + (t / (y * (z * 3.0d0)))
    if (t_1 <= 5d+304) then
        tmp = t_1
    else
        tmp = x + (1.0d0 / (3.0d0 * (z / ((t / y) - y))))
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t) {
	double t_1 = (x - (y / (z * 3.0))) + (t / (y * (z * 3.0)));
	double tmp;
	if (t_1 <= 5e+304) {
		tmp = t_1;
	} else {
		tmp = x + (1.0 / (3.0 * (z / ((t / y) - y))));
	}
	return tmp;
}
def code(x, y, z, t):
	t_1 = (x - (y / (z * 3.0))) + (t / (y * (z * 3.0)))
	tmp = 0
	if t_1 <= 5e+304:
		tmp = t_1
	else:
		tmp = x + (1.0 / (3.0 * (z / ((t / y) - y))))
	return tmp
function code(x, y, z, t)
	t_1 = Float64(Float64(x - Float64(y / Float64(z * 3.0))) + Float64(t / Float64(y * Float64(z * 3.0))))
	tmp = 0.0
	if (t_1 <= 5e+304)
		tmp = t_1;
	else
		tmp = Float64(x + Float64(1.0 / Float64(3.0 * Float64(z / Float64(Float64(t / y) - y)))));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t)
	t_1 = (x - (y / (z * 3.0))) + (t / (y * (z * 3.0)));
	tmp = 0.0;
	if (t_1 <= 5e+304)
		tmp = t_1;
	else
		tmp = x + (1.0 / (3.0 * (z / ((t / y) - y))));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(N[(x - N[(y / N[(z * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(t / N[(y * N[(z * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, 5e+304], t$95$1, N[(x + N[(1.0 / N[(3.0 * N[(z / N[(N[(t / y), $MachinePrecision] - y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{y \cdot \left(z \cdot 3\right)}\\
\mathbf{if}\;t_1 \leq 5 \cdot 10^{+304}:\\
\;\;\;\;t_1\\

\mathbf{else}:\\
\;\;\;\;x + \frac{1}{3 \cdot \frac{z}{\frac{t}{y} - y}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (+.f64 (-.f64 x (/.f64 y (*.f64 z 3))) (/.f64 t (*.f64 (*.f64 z 3) y))) < 4.9999999999999997e304

    1. Initial program 98.4%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]

    if 4.9999999999999997e304 < (+.f64 (-.f64 x (/.f64 y (*.f64 z 3))) (/.f64 t (*.f64 (*.f64 z 3) y)))

    1. Initial program 74.6%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-74.6%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg74.6%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg74.6%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in74.6%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg74.6%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-174.6%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/74.6%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/74.6%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac74.6%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-174.6%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac91.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--99.9%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative99.9%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*99.8%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval99.8%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified99.8%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Taylor expanded in y around 0 74.6%

      \[\leadsto x + \color{blue}{\left(-0.3333333333333333 \cdot \frac{y}{z} + 0.3333333333333333 \cdot \frac{t}{y \cdot z}\right)} \]
    5. Step-by-step derivation
      1. +-commutative74.6%

        \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \frac{t}{y \cdot z} + -0.3333333333333333 \cdot \frac{y}{z}\right)} \]
      2. metadata-eval74.6%

        \[\leadsto x + \left(0.3333333333333333 \cdot \frac{t}{y \cdot z} + \color{blue}{\left(-0.3333333333333333\right)} \cdot \frac{y}{z}\right) \]
      3. cancel-sign-sub-inv74.6%

        \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \frac{t}{y \cdot z} - 0.3333333333333333 \cdot \frac{y}{z}\right)} \]
      4. associate-/r*91.0%

        \[\leadsto x + \left(0.3333333333333333 \cdot \color{blue}{\frac{\frac{t}{y}}{z}} - 0.3333333333333333 \cdot \frac{y}{z}\right) \]
      5. associate-*r/90.9%

        \[\leadsto x + \left(\color{blue}{\frac{0.3333333333333333 \cdot \frac{t}{y}}{z}} - 0.3333333333333333 \cdot \frac{y}{z}\right) \]
      6. associate-*r/90.9%

        \[\leadsto x + \left(\frac{0.3333333333333333 \cdot \frac{t}{y}}{z} - \color{blue}{\frac{0.3333333333333333 \cdot y}{z}}\right) \]
      7. div-sub99.8%

        \[\leadsto x + \color{blue}{\frac{0.3333333333333333 \cdot \frac{t}{y} - 0.3333333333333333 \cdot y}{z}} \]
      8. distribute-lft-out--99.8%

        \[\leadsto x + \frac{\color{blue}{0.3333333333333333 \cdot \left(\frac{t}{y} - y\right)}}{z} \]
    6. Simplified99.8%

      \[\leadsto x + \color{blue}{\frac{0.3333333333333333 \cdot \left(\frac{t}{y} - y\right)}{z}} \]
    7. Taylor expanded in x around 0 99.9%

      \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{\frac{t}{y} - y}{z} + x} \]
    8. Step-by-step derivation
      1. clear-num99.8%

        \[\leadsto 0.3333333333333333 \cdot \color{blue}{\frac{1}{\frac{z}{\frac{t}{y} - y}}} + x \]
      2. div-inv99.8%

        \[\leadsto \color{blue}{\frac{0.3333333333333333}{\frac{z}{\frac{t}{y} - y}}} + x \]
      3. clear-num99.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{\frac{z}{\frac{t}{y} - y}}{0.3333333333333333}}} + x \]
      4. div-inv100.0%

        \[\leadsto \frac{1}{\color{blue}{\frac{z}{\frac{t}{y} - y} \cdot \frac{1}{0.3333333333333333}}} + x \]
      5. metadata-eval100.0%

        \[\leadsto \frac{1}{\frac{z}{\frac{t}{y} - y} \cdot \color{blue}{3}} + x \]
    9. Applied egg-rr100.0%

      \[\leadsto \color{blue}{\frac{1}{\frac{z}{\frac{t}{y} - y} \cdot 3}} + x \]
  3. Recombined 2 regimes into one program.
  4. Final simplification98.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{y \cdot \left(z \cdot 3\right)} \leq 5 \cdot 10^{+304}:\\ \;\;\;\;\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{y \cdot \left(z \cdot 3\right)}\\ \mathbf{else}:\\ \;\;\;\;x + \frac{1}{3 \cdot \frac{z}{\frac{t}{y} - y}}\\ \end{array} \]

Alternative 3: 97.8% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -1 \cdot 10^{-98} \lor \neg \left(y \leq 3.4 \cdot 10^{-194}\right):\\ \;\;\;\;x + \frac{1}{3 \cdot \frac{z}{\frac{t}{y} - y}}\\ \mathbf{else}:\\ \;\;\;\;x + \frac{0.3333333333333333 \cdot \frac{t}{z}}{y}\\ \end{array} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (if (or (<= y -1e-98) (not (<= y 3.4e-194)))
   (+ x (/ 1.0 (* 3.0 (/ z (- (/ t y) y)))))
   (+ x (/ (* 0.3333333333333333 (/ t z)) y))))
double code(double x, double y, double z, double t) {
	double tmp;
	if ((y <= -1e-98) || !(y <= 3.4e-194)) {
		tmp = x + (1.0 / (3.0 * (z / ((t / y) - y))));
	} else {
		tmp = x + ((0.3333333333333333 * (t / z)) / y);
	}
	return tmp;
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8) :: tmp
    if ((y <= (-1d-98)) .or. (.not. (y <= 3.4d-194))) then
        tmp = x + (1.0d0 / (3.0d0 * (z / ((t / y) - y))))
    else
        tmp = x + ((0.3333333333333333d0 * (t / z)) / y)
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t) {
	double tmp;
	if ((y <= -1e-98) || !(y <= 3.4e-194)) {
		tmp = x + (1.0 / (3.0 * (z / ((t / y) - y))));
	} else {
		tmp = x + ((0.3333333333333333 * (t / z)) / y);
	}
	return tmp;
}
def code(x, y, z, t):
	tmp = 0
	if (y <= -1e-98) or not (y <= 3.4e-194):
		tmp = x + (1.0 / (3.0 * (z / ((t / y) - y))))
	else:
		tmp = x + ((0.3333333333333333 * (t / z)) / y)
	return tmp
function code(x, y, z, t)
	tmp = 0.0
	if ((y <= -1e-98) || !(y <= 3.4e-194))
		tmp = Float64(x + Float64(1.0 / Float64(3.0 * Float64(z / Float64(Float64(t / y) - y)))));
	else
		tmp = Float64(x + Float64(Float64(0.3333333333333333 * Float64(t / z)) / y));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t)
	tmp = 0.0;
	if ((y <= -1e-98) || ~((y <= 3.4e-194)))
		tmp = x + (1.0 / (3.0 * (z / ((t / y) - y))));
	else
		tmp = x + ((0.3333333333333333 * (t / z)) / y);
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_] := If[Or[LessEqual[y, -1e-98], N[Not[LessEqual[y, 3.4e-194]], $MachinePrecision]], N[(x + N[(1.0 / N[(3.0 * N[(z / N[(N[(t / y), $MachinePrecision] - y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x + N[(N[(0.3333333333333333 * N[(t / z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -1 \cdot 10^{-98} \lor \neg \left(y \leq 3.4 \cdot 10^{-194}\right):\\
\;\;\;\;x + \frac{1}{3 \cdot \frac{z}{\frac{t}{y} - y}}\\

\mathbf{else}:\\
\;\;\;\;x + \frac{0.3333333333333333 \cdot \frac{t}{z}}{y}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if y < -9.99999999999999939e-99 or 3.40000000000000009e-194 < y

    1. Initial program 95.5%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-95.5%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg95.5%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg95.5%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in95.5%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg95.5%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-195.5%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/95.5%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/95.4%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac95.4%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-195.4%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac96.5%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--98.7%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative98.7%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*98.7%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval98.7%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified98.7%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Taylor expanded in y around 0 95.4%

      \[\leadsto x + \color{blue}{\left(-0.3333333333333333 \cdot \frac{y}{z} + 0.3333333333333333 \cdot \frac{t}{y \cdot z}\right)} \]
    5. Step-by-step derivation
      1. +-commutative95.4%

        \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \frac{t}{y \cdot z} + -0.3333333333333333 \cdot \frac{y}{z}\right)} \]
      2. metadata-eval95.4%

        \[\leadsto x + \left(0.3333333333333333 \cdot \frac{t}{y \cdot z} + \color{blue}{\left(-0.3333333333333333\right)} \cdot \frac{y}{z}\right) \]
      3. cancel-sign-sub-inv95.4%

        \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \frac{t}{y \cdot z} - 0.3333333333333333 \cdot \frac{y}{z}\right)} \]
      4. associate-/r*96.4%

        \[\leadsto x + \left(0.3333333333333333 \cdot \color{blue}{\frac{\frac{t}{y}}{z}} - 0.3333333333333333 \cdot \frac{y}{z}\right) \]
      5. associate-*r/96.4%

        \[\leadsto x + \left(\color{blue}{\frac{0.3333333333333333 \cdot \frac{t}{y}}{z}} - 0.3333333333333333 \cdot \frac{y}{z}\right) \]
      6. associate-*r/96.4%

        \[\leadsto x + \left(\frac{0.3333333333333333 \cdot \frac{t}{y}}{z} - \color{blue}{\frac{0.3333333333333333 \cdot y}{z}}\right) \]
      7. div-sub98.7%

        \[\leadsto x + \color{blue}{\frac{0.3333333333333333 \cdot \frac{t}{y} - 0.3333333333333333 \cdot y}{z}} \]
      8. distribute-lft-out--98.6%

        \[\leadsto x + \frac{\color{blue}{0.3333333333333333 \cdot \left(\frac{t}{y} - y\right)}}{z} \]
    6. Simplified98.6%

      \[\leadsto x + \color{blue}{\frac{0.3333333333333333 \cdot \left(\frac{t}{y} - y\right)}{z}} \]
    7. Taylor expanded in x around 0 98.6%

      \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{\frac{t}{y} - y}{z} + x} \]
    8. Step-by-step derivation
      1. clear-num98.6%

        \[\leadsto 0.3333333333333333 \cdot \color{blue}{\frac{1}{\frac{z}{\frac{t}{y} - y}}} + x \]
      2. div-inv98.6%

        \[\leadsto \color{blue}{\frac{0.3333333333333333}{\frac{z}{\frac{t}{y} - y}}} + x \]
      3. clear-num98.6%

        \[\leadsto \color{blue}{\frac{1}{\frac{\frac{z}{\frac{t}{y} - y}}{0.3333333333333333}}} + x \]
      4. div-inv98.8%

        \[\leadsto \frac{1}{\color{blue}{\frac{z}{\frac{t}{y} - y} \cdot \frac{1}{0.3333333333333333}}} + x \]
      5. metadata-eval98.8%

        \[\leadsto \frac{1}{\frac{z}{\frac{t}{y} - y} \cdot \color{blue}{3}} + x \]
    9. Applied egg-rr98.8%

      \[\leadsto \color{blue}{\frac{1}{\frac{z}{\frac{t}{y} - y} \cdot 3}} + x \]

    if -9.99999999999999939e-99 < y < 3.40000000000000009e-194

    1. Initial program 91.0%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-91.0%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg91.0%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg91.0%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in91.0%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg91.0%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-191.0%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/91.0%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/91.0%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac91.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-191.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac81.9%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--81.9%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative81.9%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*81.9%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval81.9%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified81.9%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Taylor expanded in y around 0 91.0%

      \[\leadsto x + \color{blue}{0.3333333333333333 \cdot \frac{t}{y \cdot z}} \]
    5. Step-by-step derivation
      1. *-commutative91.0%

        \[\leadsto x + \color{blue}{\frac{t}{y \cdot z} \cdot 0.3333333333333333} \]
      2. associate-*l/91.0%

        \[\leadsto x + \color{blue}{\frac{t \cdot 0.3333333333333333}{y \cdot z}} \]
      3. times-frac81.9%

        \[\leadsto x + \color{blue}{\frac{t}{y} \cdot \frac{0.3333333333333333}{z}} \]
    6. Simplified81.9%

      \[\leadsto x + \color{blue}{\frac{t}{y} \cdot \frac{0.3333333333333333}{z}} \]
    7. Step-by-step derivation
      1. associate-*l/98.4%

        \[\leadsto x + \color{blue}{\frac{t \cdot \frac{0.3333333333333333}{z}}{y}} \]
    8. Applied egg-rr98.4%

      \[\leadsto x + \color{blue}{\frac{t \cdot \frac{0.3333333333333333}{z}}{y}} \]
    9. Taylor expanded in t around 0 98.5%

      \[\leadsto x + \frac{\color{blue}{0.3333333333333333 \cdot \frac{t}{z}}}{y} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification98.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -1 \cdot 10^{-98} \lor \neg \left(y \leq 3.4 \cdot 10^{-194}\right):\\ \;\;\;\;x + \frac{1}{3 \cdot \frac{z}{\frac{t}{y} - y}}\\ \mathbf{else}:\\ \;\;\;\;x + \frac{0.3333333333333333 \cdot \frac{t}{z}}{y}\\ \end{array} \]

Alternative 4: 97.6% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -1.2 \cdot 10^{-55} \lor \neg \left(y \leq 5.5 \cdot 10^{-194}\right):\\ \;\;\;\;x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)\\ \mathbf{else}:\\ \;\;\;\;x + \frac{0.3333333333333333 \cdot \frac{t}{z}}{y}\\ \end{array} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (if (or (<= y -1.2e-55) (not (<= y 5.5e-194)))
   (+ x (* (/ -0.3333333333333333 z) (- y (/ t y))))
   (+ x (/ (* 0.3333333333333333 (/ t z)) y))))
double code(double x, double y, double z, double t) {
	double tmp;
	if ((y <= -1.2e-55) || !(y <= 5.5e-194)) {
		tmp = x + ((-0.3333333333333333 / z) * (y - (t / y)));
	} else {
		tmp = x + ((0.3333333333333333 * (t / z)) / y);
	}
	return tmp;
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8) :: tmp
    if ((y <= (-1.2d-55)) .or. (.not. (y <= 5.5d-194))) then
        tmp = x + (((-0.3333333333333333d0) / z) * (y - (t / y)))
    else
        tmp = x + ((0.3333333333333333d0 * (t / z)) / y)
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t) {
	double tmp;
	if ((y <= -1.2e-55) || !(y <= 5.5e-194)) {
		tmp = x + ((-0.3333333333333333 / z) * (y - (t / y)));
	} else {
		tmp = x + ((0.3333333333333333 * (t / z)) / y);
	}
	return tmp;
}
def code(x, y, z, t):
	tmp = 0
	if (y <= -1.2e-55) or not (y <= 5.5e-194):
		tmp = x + ((-0.3333333333333333 / z) * (y - (t / y)))
	else:
		tmp = x + ((0.3333333333333333 * (t / z)) / y)
	return tmp
function code(x, y, z, t)
	tmp = 0.0
	if ((y <= -1.2e-55) || !(y <= 5.5e-194))
		tmp = Float64(x + Float64(Float64(-0.3333333333333333 / z) * Float64(y - Float64(t / y))));
	else
		tmp = Float64(x + Float64(Float64(0.3333333333333333 * Float64(t / z)) / y));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t)
	tmp = 0.0;
	if ((y <= -1.2e-55) || ~((y <= 5.5e-194)))
		tmp = x + ((-0.3333333333333333 / z) * (y - (t / y)));
	else
		tmp = x + ((0.3333333333333333 * (t / z)) / y);
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_] := If[Or[LessEqual[y, -1.2e-55], N[Not[LessEqual[y, 5.5e-194]], $MachinePrecision]], N[(x + N[(N[(-0.3333333333333333 / z), $MachinePrecision] * N[(y - N[(t / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x + N[(N[(0.3333333333333333 * N[(t / z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.2 \cdot 10^{-55} \lor \neg \left(y \leq 5.5 \cdot 10^{-194}\right):\\
\;\;\;\;x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)\\

\mathbf{else}:\\
\;\;\;\;x + \frac{0.3333333333333333 \cdot \frac{t}{z}}{y}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if y < -1.19999999999999996e-55 or 5.49999999999999941e-194 < y

    1. Initial program 95.3%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-95.3%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg95.3%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg95.3%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in95.3%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg95.3%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-195.3%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/95.3%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/95.2%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac95.2%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-195.2%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac96.3%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--98.6%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative98.6%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*98.6%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval98.6%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified98.6%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]

    if -1.19999999999999996e-55 < y < 5.49999999999999941e-194

    1. Initial program 92.0%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-92.0%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg92.0%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg92.0%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in92.0%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg92.0%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-192.0%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/92.0%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/92.0%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac92.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-192.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac83.9%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--83.9%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative83.9%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*83.8%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval83.8%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified83.8%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Taylor expanded in y around 0 92.0%

      \[\leadsto x + \color{blue}{0.3333333333333333 \cdot \frac{t}{y \cdot z}} \]
    5. Step-by-step derivation
      1. *-commutative92.0%

        \[\leadsto x + \color{blue}{\frac{t}{y \cdot z} \cdot 0.3333333333333333} \]
      2. associate-*l/92.0%

        \[\leadsto x + \color{blue}{\frac{t \cdot 0.3333333333333333}{y \cdot z}} \]
      3. times-frac83.8%

        \[\leadsto x + \color{blue}{\frac{t}{y} \cdot \frac{0.3333333333333333}{z}} \]
    6. Simplified83.8%

      \[\leadsto x + \color{blue}{\frac{t}{y} \cdot \frac{0.3333333333333333}{z}} \]
    7. Step-by-step derivation
      1. associate-*l/98.6%

        \[\leadsto x + \color{blue}{\frac{t \cdot \frac{0.3333333333333333}{z}}{y}} \]
    8. Applied egg-rr98.6%

      \[\leadsto x + \color{blue}{\frac{t \cdot \frac{0.3333333333333333}{z}}{y}} \]
    9. Taylor expanded in t around 0 98.6%

      \[\leadsto x + \frac{\color{blue}{0.3333333333333333 \cdot \frac{t}{z}}}{y} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification98.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -1.2 \cdot 10^{-55} \lor \neg \left(y \leq 5.5 \cdot 10^{-194}\right):\\ \;\;\;\;x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)\\ \mathbf{else}:\\ \;\;\;\;x + \frac{0.3333333333333333 \cdot \frac{t}{z}}{y}\\ \end{array} \]

Alternative 5: 97.8% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := y - \frac{t}{y}\\ \mathbf{if}\;y \leq -3.7 \cdot 10^{-98}:\\ \;\;\;\;x - \frac{0.3333333333333333 \cdot t_1}{z}\\ \mathbf{elif}\;y \leq 5.8 \cdot 10^{-194}:\\ \;\;\;\;x + \frac{0.3333333333333333 \cdot \frac{t}{z}}{y}\\ \mathbf{else}:\\ \;\;\;\;x + \frac{-0.3333333333333333}{z} \cdot t_1\\ \end{array} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (let* ((t_1 (- y (/ t y))))
   (if (<= y -3.7e-98)
     (- x (/ (* 0.3333333333333333 t_1) z))
     (if (<= y 5.8e-194)
       (+ x (/ (* 0.3333333333333333 (/ t z)) y))
       (+ x (* (/ -0.3333333333333333 z) t_1))))))
double code(double x, double y, double z, double t) {
	double t_1 = y - (t / y);
	double tmp;
	if (y <= -3.7e-98) {
		tmp = x - ((0.3333333333333333 * t_1) / z);
	} else if (y <= 5.8e-194) {
		tmp = x + ((0.3333333333333333 * (t / z)) / y);
	} else {
		tmp = x + ((-0.3333333333333333 / z) * t_1);
	}
	return tmp;
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8) :: t_1
    real(8) :: tmp
    t_1 = y - (t / y)
    if (y <= (-3.7d-98)) then
        tmp = x - ((0.3333333333333333d0 * t_1) / z)
    else if (y <= 5.8d-194) then
        tmp = x + ((0.3333333333333333d0 * (t / z)) / y)
    else
        tmp = x + (((-0.3333333333333333d0) / z) * t_1)
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t) {
	double t_1 = y - (t / y);
	double tmp;
	if (y <= -3.7e-98) {
		tmp = x - ((0.3333333333333333 * t_1) / z);
	} else if (y <= 5.8e-194) {
		tmp = x + ((0.3333333333333333 * (t / z)) / y);
	} else {
		tmp = x + ((-0.3333333333333333 / z) * t_1);
	}
	return tmp;
}
def code(x, y, z, t):
	t_1 = y - (t / y)
	tmp = 0
	if y <= -3.7e-98:
		tmp = x - ((0.3333333333333333 * t_1) / z)
	elif y <= 5.8e-194:
		tmp = x + ((0.3333333333333333 * (t / z)) / y)
	else:
		tmp = x + ((-0.3333333333333333 / z) * t_1)
	return tmp
function code(x, y, z, t)
	t_1 = Float64(y - Float64(t / y))
	tmp = 0.0
	if (y <= -3.7e-98)
		tmp = Float64(x - Float64(Float64(0.3333333333333333 * t_1) / z));
	elseif (y <= 5.8e-194)
		tmp = Float64(x + Float64(Float64(0.3333333333333333 * Float64(t / z)) / y));
	else
		tmp = Float64(x + Float64(Float64(-0.3333333333333333 / z) * t_1));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t)
	t_1 = y - (t / y);
	tmp = 0.0;
	if (y <= -3.7e-98)
		tmp = x - ((0.3333333333333333 * t_1) / z);
	elseif (y <= 5.8e-194)
		tmp = x + ((0.3333333333333333 * (t / z)) / y);
	else
		tmp = x + ((-0.3333333333333333 / z) * t_1);
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(y - N[(t / y), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[y, -3.7e-98], N[(x - N[(N[(0.3333333333333333 * t$95$1), $MachinePrecision] / z), $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 5.8e-194], N[(x + N[(N[(0.3333333333333333 * N[(t / z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision], N[(x + N[(N[(-0.3333333333333333 / z), $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := y - \frac{t}{y}\\
\mathbf{if}\;y \leq -3.7 \cdot 10^{-98}:\\
\;\;\;\;x - \frac{0.3333333333333333 \cdot t_1}{z}\\

\mathbf{elif}\;y \leq 5.8 \cdot 10^{-194}:\\
\;\;\;\;x + \frac{0.3333333333333333 \cdot \frac{t}{z}}{y}\\

\mathbf{else}:\\
\;\;\;\;x + \frac{-0.3333333333333333}{z} \cdot t_1\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if y < -3.7e-98

    1. Initial program 96.4%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-96.4%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg96.4%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg96.4%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in96.4%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg96.4%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-196.4%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/96.4%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/96.3%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac96.3%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-196.3%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac96.2%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--99.7%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative99.7%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*99.6%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval99.6%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified99.6%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Taylor expanded in y around 0 96.2%

      \[\leadsto x + \color{blue}{\left(-0.3333333333333333 \cdot \frac{y}{z} + 0.3333333333333333 \cdot \frac{t}{y \cdot z}\right)} \]
    5. Step-by-step derivation
      1. +-commutative96.2%

        \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \frac{t}{y \cdot z} + -0.3333333333333333 \cdot \frac{y}{z}\right)} \]
      2. metadata-eval96.2%

        \[\leadsto x + \left(0.3333333333333333 \cdot \frac{t}{y \cdot z} + \color{blue}{\left(-0.3333333333333333\right)} \cdot \frac{y}{z}\right) \]
      3. cancel-sign-sub-inv96.2%

        \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \frac{t}{y \cdot z} - 0.3333333333333333 \cdot \frac{y}{z}\right)} \]
      4. associate-/r*96.2%

        \[\leadsto x + \left(0.3333333333333333 \cdot \color{blue}{\frac{\frac{t}{y}}{z}} - 0.3333333333333333 \cdot \frac{y}{z}\right) \]
      5. associate-*r/96.2%

        \[\leadsto x + \left(\color{blue}{\frac{0.3333333333333333 \cdot \frac{t}{y}}{z}} - 0.3333333333333333 \cdot \frac{y}{z}\right) \]
      6. associate-*r/96.3%

        \[\leadsto x + \left(\frac{0.3333333333333333 \cdot \frac{t}{y}}{z} - \color{blue}{\frac{0.3333333333333333 \cdot y}{z}}\right) \]
      7. div-sub99.7%

        \[\leadsto x + \color{blue}{\frac{0.3333333333333333 \cdot \frac{t}{y} - 0.3333333333333333 \cdot y}{z}} \]
      8. distribute-lft-out--99.7%

        \[\leadsto x + \frac{\color{blue}{0.3333333333333333 \cdot \left(\frac{t}{y} - y\right)}}{z} \]
    6. Simplified99.7%

      \[\leadsto x + \color{blue}{\frac{0.3333333333333333 \cdot \left(\frac{t}{y} - y\right)}{z}} \]

    if -3.7e-98 < y < 5.7999999999999994e-194

    1. Initial program 91.0%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-91.0%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg91.0%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg91.0%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in91.0%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg91.0%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-191.0%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/91.0%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/91.0%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac91.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-191.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac81.9%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--81.9%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative81.9%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*81.9%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval81.9%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified81.9%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Taylor expanded in y around 0 91.0%

      \[\leadsto x + \color{blue}{0.3333333333333333 \cdot \frac{t}{y \cdot z}} \]
    5. Step-by-step derivation
      1. *-commutative91.0%

        \[\leadsto x + \color{blue}{\frac{t}{y \cdot z} \cdot 0.3333333333333333} \]
      2. associate-*l/91.0%

        \[\leadsto x + \color{blue}{\frac{t \cdot 0.3333333333333333}{y \cdot z}} \]
      3. times-frac81.9%

        \[\leadsto x + \color{blue}{\frac{t}{y} \cdot \frac{0.3333333333333333}{z}} \]
    6. Simplified81.9%

      \[\leadsto x + \color{blue}{\frac{t}{y} \cdot \frac{0.3333333333333333}{z}} \]
    7. Step-by-step derivation
      1. associate-*l/98.4%

        \[\leadsto x + \color{blue}{\frac{t \cdot \frac{0.3333333333333333}{z}}{y}} \]
    8. Applied egg-rr98.4%

      \[\leadsto x + \color{blue}{\frac{t \cdot \frac{0.3333333333333333}{z}}{y}} \]
    9. Taylor expanded in t around 0 98.5%

      \[\leadsto x + \frac{\color{blue}{0.3333333333333333 \cdot \frac{t}{z}}}{y} \]

    if 5.7999999999999994e-194 < y

    1. Initial program 94.8%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-94.8%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg94.8%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg94.8%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in94.8%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg94.8%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-194.8%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/94.8%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/94.7%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac94.7%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-194.7%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac96.7%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--97.8%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative97.8%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*97.8%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval97.8%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified97.8%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification98.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -3.7 \cdot 10^{-98}:\\ \;\;\;\;x - \frac{0.3333333333333333 \cdot \left(y - \frac{t}{y}\right)}{z}\\ \mathbf{elif}\;y \leq 5.8 \cdot 10^{-194}:\\ \;\;\;\;x + \frac{0.3333333333333333 \cdot \frac{t}{z}}{y}\\ \mathbf{else}:\\ \;\;\;\;x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)\\ \end{array} \]

Alternative 6: 97.5% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -8 \cdot 10^{-56}:\\ \;\;\;\;x + \left(\left(\frac{t}{y} - y\right) \cdot 0.3333333333333333\right) \cdot \frac{1}{z}\\ \mathbf{elif}\;y \leq 5.5 \cdot 10^{-194}:\\ \;\;\;\;x + \frac{0.3333333333333333 \cdot \frac{t}{z}}{y}\\ \mathbf{else}:\\ \;\;\;\;x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)\\ \end{array} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (if (<= y -8e-56)
   (+ x (* (* (- (/ t y) y) 0.3333333333333333) (/ 1.0 z)))
   (if (<= y 5.5e-194)
     (+ x (/ (* 0.3333333333333333 (/ t z)) y))
     (+ x (* (/ -0.3333333333333333 z) (- y (/ t y)))))))
double code(double x, double y, double z, double t) {
	double tmp;
	if (y <= -8e-56) {
		tmp = x + ((((t / y) - y) * 0.3333333333333333) * (1.0 / z));
	} else if (y <= 5.5e-194) {
		tmp = x + ((0.3333333333333333 * (t / z)) / y);
	} else {
		tmp = x + ((-0.3333333333333333 / z) * (y - (t / y)));
	}
	return tmp;
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8) :: tmp
    if (y <= (-8d-56)) then
        tmp = x + ((((t / y) - y) * 0.3333333333333333d0) * (1.0d0 / z))
    else if (y <= 5.5d-194) then
        tmp = x + ((0.3333333333333333d0 * (t / z)) / y)
    else
        tmp = x + (((-0.3333333333333333d0) / z) * (y - (t / y)))
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t) {
	double tmp;
	if (y <= -8e-56) {
		tmp = x + ((((t / y) - y) * 0.3333333333333333) * (1.0 / z));
	} else if (y <= 5.5e-194) {
		tmp = x + ((0.3333333333333333 * (t / z)) / y);
	} else {
		tmp = x + ((-0.3333333333333333 / z) * (y - (t / y)));
	}
	return tmp;
}
def code(x, y, z, t):
	tmp = 0
	if y <= -8e-56:
		tmp = x + ((((t / y) - y) * 0.3333333333333333) * (1.0 / z))
	elif y <= 5.5e-194:
		tmp = x + ((0.3333333333333333 * (t / z)) / y)
	else:
		tmp = x + ((-0.3333333333333333 / z) * (y - (t / y)))
	return tmp
function code(x, y, z, t)
	tmp = 0.0
	if (y <= -8e-56)
		tmp = Float64(x + Float64(Float64(Float64(Float64(t / y) - y) * 0.3333333333333333) * Float64(1.0 / z)));
	elseif (y <= 5.5e-194)
		tmp = Float64(x + Float64(Float64(0.3333333333333333 * Float64(t / z)) / y));
	else
		tmp = Float64(x + Float64(Float64(-0.3333333333333333 / z) * Float64(y - Float64(t / y))));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t)
	tmp = 0.0;
	if (y <= -8e-56)
		tmp = x + ((((t / y) - y) * 0.3333333333333333) * (1.0 / z));
	elseif (y <= 5.5e-194)
		tmp = x + ((0.3333333333333333 * (t / z)) / y);
	else
		tmp = x + ((-0.3333333333333333 / z) * (y - (t / y)));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_] := If[LessEqual[y, -8e-56], N[(x + N[(N[(N[(N[(t / y), $MachinePrecision] - y), $MachinePrecision] * 0.3333333333333333), $MachinePrecision] * N[(1.0 / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 5.5e-194], N[(x + N[(N[(0.3333333333333333 * N[(t / z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision], N[(x + N[(N[(-0.3333333333333333 / z), $MachinePrecision] * N[(y - N[(t / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -8 \cdot 10^{-56}:\\
\;\;\;\;x + \left(\left(\frac{t}{y} - y\right) \cdot 0.3333333333333333\right) \cdot \frac{1}{z}\\

\mathbf{elif}\;y \leq 5.5 \cdot 10^{-194}:\\
\;\;\;\;x + \frac{0.3333333333333333 \cdot \frac{t}{z}}{y}\\

\mathbf{else}:\\
\;\;\;\;x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if y < -8.0000000000000003e-56

    1. Initial program 96.0%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-96.0%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg96.0%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg96.0%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in96.0%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg96.0%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-196.0%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/96.0%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/95.9%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac95.9%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-195.9%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac95.9%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--99.7%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative99.7%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*99.6%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval99.6%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified99.6%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Taylor expanded in y around 0 95.7%

      \[\leadsto x + \color{blue}{\left(-0.3333333333333333 \cdot \frac{y}{z} + 0.3333333333333333 \cdot \frac{t}{y \cdot z}\right)} \]
    5. Step-by-step derivation
      1. +-commutative95.7%

        \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \frac{t}{y \cdot z} + -0.3333333333333333 \cdot \frac{y}{z}\right)} \]
      2. metadata-eval95.7%

        \[\leadsto x + \left(0.3333333333333333 \cdot \frac{t}{y \cdot z} + \color{blue}{\left(-0.3333333333333333\right)} \cdot \frac{y}{z}\right) \]
      3. cancel-sign-sub-inv95.7%

        \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \frac{t}{y \cdot z} - 0.3333333333333333 \cdot \frac{y}{z}\right)} \]
      4. associate-/r*95.8%

        \[\leadsto x + \left(0.3333333333333333 \cdot \color{blue}{\frac{\frac{t}{y}}{z}} - 0.3333333333333333 \cdot \frac{y}{z}\right) \]
      5. associate-*r/95.8%

        \[\leadsto x + \left(\color{blue}{\frac{0.3333333333333333 \cdot \frac{t}{y}}{z}} - 0.3333333333333333 \cdot \frac{y}{z}\right) \]
      6. associate-*r/95.9%

        \[\leadsto x + \left(\frac{0.3333333333333333 \cdot \frac{t}{y}}{z} - \color{blue}{\frac{0.3333333333333333 \cdot y}{z}}\right) \]
      7. div-sub99.7%

        \[\leadsto x + \color{blue}{\frac{0.3333333333333333 \cdot \frac{t}{y} - 0.3333333333333333 \cdot y}{z}} \]
      8. distribute-lft-out--99.7%

        \[\leadsto x + \frac{\color{blue}{0.3333333333333333 \cdot \left(\frac{t}{y} - y\right)}}{z} \]
    6. Simplified99.7%

      \[\leadsto x + \color{blue}{\frac{0.3333333333333333 \cdot \left(\frac{t}{y} - y\right)}{z}} \]
    7. Step-by-step derivation
      1. div-inv99.7%

        \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \left(\frac{t}{y} - y\right)\right) \cdot \frac{1}{z}} \]
    8. Applied egg-rr99.7%

      \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \left(\frac{t}{y} - y\right)\right) \cdot \frac{1}{z}} \]

    if -8.0000000000000003e-56 < y < 5.49999999999999941e-194

    1. Initial program 92.0%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-92.0%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg92.0%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg92.0%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in92.0%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg92.0%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-192.0%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/92.0%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/92.0%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac92.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-192.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac83.9%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--83.9%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative83.9%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*83.8%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval83.8%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified83.8%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Taylor expanded in y around 0 92.0%

      \[\leadsto x + \color{blue}{0.3333333333333333 \cdot \frac{t}{y \cdot z}} \]
    5. Step-by-step derivation
      1. *-commutative92.0%

        \[\leadsto x + \color{blue}{\frac{t}{y \cdot z} \cdot 0.3333333333333333} \]
      2. associate-*l/92.0%

        \[\leadsto x + \color{blue}{\frac{t \cdot 0.3333333333333333}{y \cdot z}} \]
      3. times-frac83.8%

        \[\leadsto x + \color{blue}{\frac{t}{y} \cdot \frac{0.3333333333333333}{z}} \]
    6. Simplified83.8%

      \[\leadsto x + \color{blue}{\frac{t}{y} \cdot \frac{0.3333333333333333}{z}} \]
    7. Step-by-step derivation
      1. associate-*l/98.6%

        \[\leadsto x + \color{blue}{\frac{t \cdot \frac{0.3333333333333333}{z}}{y}} \]
    8. Applied egg-rr98.6%

      \[\leadsto x + \color{blue}{\frac{t \cdot \frac{0.3333333333333333}{z}}{y}} \]
    9. Taylor expanded in t around 0 98.6%

      \[\leadsto x + \frac{\color{blue}{0.3333333333333333 \cdot \frac{t}{z}}}{y} \]

    if 5.49999999999999941e-194 < y

    1. Initial program 94.8%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-94.8%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg94.8%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg94.8%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in94.8%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg94.8%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-194.8%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/94.8%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/94.7%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac94.7%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-194.7%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac96.7%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--97.8%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative97.8%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*97.8%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval97.8%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified97.8%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification98.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -8 \cdot 10^{-56}:\\ \;\;\;\;x + \left(\left(\frac{t}{y} - y\right) \cdot 0.3333333333333333\right) \cdot \frac{1}{z}\\ \mathbf{elif}\;y \leq 5.5 \cdot 10^{-194}:\\ \;\;\;\;x + \frac{0.3333333333333333 \cdot \frac{t}{z}}{y}\\ \mathbf{else}:\\ \;\;\;\;x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)\\ \end{array} \]

Alternative 7: 88.6% accurate, 1.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -1.75 \cdot 10^{+16} \lor \neg \left(y \leq 2.2 \cdot 10^{+45}\right):\\ \;\;\;\;x + \frac{y}{z \cdot -3}\\ \mathbf{else}:\\ \;\;\;\;x + \frac{t}{y} \cdot \frac{0.3333333333333333}{z}\\ \end{array} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (if (or (<= y -1.75e+16) (not (<= y 2.2e+45)))
   (+ x (/ y (* z -3.0)))
   (+ x (* (/ t y) (/ 0.3333333333333333 z)))))
double code(double x, double y, double z, double t) {
	double tmp;
	if ((y <= -1.75e+16) || !(y <= 2.2e+45)) {
		tmp = x + (y / (z * -3.0));
	} else {
		tmp = x + ((t / y) * (0.3333333333333333 / z));
	}
	return tmp;
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8) :: tmp
    if ((y <= (-1.75d+16)) .or. (.not. (y <= 2.2d+45))) then
        tmp = x + (y / (z * (-3.0d0)))
    else
        tmp = x + ((t / y) * (0.3333333333333333d0 / z))
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t) {
	double tmp;
	if ((y <= -1.75e+16) || !(y <= 2.2e+45)) {
		tmp = x + (y / (z * -3.0));
	} else {
		tmp = x + ((t / y) * (0.3333333333333333 / z));
	}
	return tmp;
}
def code(x, y, z, t):
	tmp = 0
	if (y <= -1.75e+16) or not (y <= 2.2e+45):
		tmp = x + (y / (z * -3.0))
	else:
		tmp = x + ((t / y) * (0.3333333333333333 / z))
	return tmp
function code(x, y, z, t)
	tmp = 0.0
	if ((y <= -1.75e+16) || !(y <= 2.2e+45))
		tmp = Float64(x + Float64(y / Float64(z * -3.0)));
	else
		tmp = Float64(x + Float64(Float64(t / y) * Float64(0.3333333333333333 / z)));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t)
	tmp = 0.0;
	if ((y <= -1.75e+16) || ~((y <= 2.2e+45)))
		tmp = x + (y / (z * -3.0));
	else
		tmp = x + ((t / y) * (0.3333333333333333 / z));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_] := If[Or[LessEqual[y, -1.75e+16], N[Not[LessEqual[y, 2.2e+45]], $MachinePrecision]], N[(x + N[(y / N[(z * -3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x + N[(N[(t / y), $MachinePrecision] * N[(0.3333333333333333 / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.75 \cdot 10^{+16} \lor \neg \left(y \leq 2.2 \cdot 10^{+45}\right):\\
\;\;\;\;x + \frac{y}{z \cdot -3}\\

\mathbf{else}:\\
\;\;\;\;x + \frac{t}{y} \cdot \frac{0.3333333333333333}{z}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if y < -1.75e16 or 2.2e45 < y

    1. Initial program 96.2%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-96.2%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg96.2%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg96.2%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in96.2%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg96.2%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-196.2%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/96.2%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/96.0%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac96.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-196.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac96.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--99.7%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative99.7%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*99.6%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval99.6%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified99.6%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Taylor expanded in y around inf 93.4%

      \[\leadsto x + \frac{-0.3333333333333333}{z} \cdot \color{blue}{y} \]
    5. Step-by-step derivation
      1. clear-num93.4%

        \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot y \]
      2. inv-pow93.4%

        \[\leadsto x + \color{blue}{{\left(\frac{z}{-0.3333333333333333}\right)}^{-1}} \cdot y \]
    6. Applied egg-rr93.4%

      \[\leadsto x + \color{blue}{{\left(\frac{z}{-0.3333333333333333}\right)}^{-1}} \cdot y \]
    7. Step-by-step derivation
      1. unpow-193.4%

        \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot y \]
    8. Simplified93.4%

      \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot y \]
    9. Step-by-step derivation
      1. associate-*l/93.5%

        \[\leadsto x + \color{blue}{\frac{1 \cdot y}{\frac{z}{-0.3333333333333333}}} \]
      2. *-un-lft-identity93.5%

        \[\leadsto x + \frac{\color{blue}{y}}{\frac{z}{-0.3333333333333333}} \]
    10. Applied egg-rr93.5%

      \[\leadsto x + \color{blue}{\frac{y}{\frac{z}{-0.3333333333333333}}} \]
    11. Taylor expanded in z around 0 93.6%

      \[\leadsto x + \frac{y}{\color{blue}{-3 \cdot z}} \]
    12. Step-by-step derivation
      1. *-commutative93.6%

        \[\leadsto x + \frac{y}{\color{blue}{z \cdot -3}} \]
    13. Simplified93.6%

      \[\leadsto x + \frac{y}{\color{blue}{z \cdot -3}} \]

    if -1.75e16 < y < 2.2e45

    1. Initial program 92.8%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-92.8%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg92.8%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg92.8%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in92.8%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg92.8%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-192.8%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/92.8%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/92.8%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac92.8%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-192.8%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac89.5%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--89.5%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative89.5%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*89.5%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval89.5%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified89.5%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Taylor expanded in y around 0 91.3%

      \[\leadsto x + \color{blue}{0.3333333333333333 \cdot \frac{t}{y \cdot z}} \]
    5. Step-by-step derivation
      1. *-commutative91.3%

        \[\leadsto x + \color{blue}{\frac{t}{y \cdot z} \cdot 0.3333333333333333} \]
      2. associate-*l/91.3%

        \[\leadsto x + \color{blue}{\frac{t \cdot 0.3333333333333333}{y \cdot z}} \]
      3. times-frac86.6%

        \[\leadsto x + \color{blue}{\frac{t}{y} \cdot \frac{0.3333333333333333}{z}} \]
    6. Simplified86.6%

      \[\leadsto x + \color{blue}{\frac{t}{y} \cdot \frac{0.3333333333333333}{z}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification89.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -1.75 \cdot 10^{+16} \lor \neg \left(y \leq 2.2 \cdot 10^{+45}\right):\\ \;\;\;\;x + \frac{y}{z \cdot -3}\\ \mathbf{else}:\\ \;\;\;\;x + \frac{t}{y} \cdot \frac{0.3333333333333333}{z}\\ \end{array} \]

Alternative 8: 91.9% accurate, 1.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -1.05 \cdot 10^{+16} \lor \neg \left(y \leq 7.5 \cdot 10^{+41}\right):\\ \;\;\;\;x + \frac{y}{z \cdot -3}\\ \mathbf{else}:\\ \;\;\;\;x + \frac{0.3333333333333333 \cdot \frac{t}{z}}{y}\\ \end{array} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (if (or (<= y -1.05e+16) (not (<= y 7.5e+41)))
   (+ x (/ y (* z -3.0)))
   (+ x (/ (* 0.3333333333333333 (/ t z)) y))))
double code(double x, double y, double z, double t) {
	double tmp;
	if ((y <= -1.05e+16) || !(y <= 7.5e+41)) {
		tmp = x + (y / (z * -3.0));
	} else {
		tmp = x + ((0.3333333333333333 * (t / z)) / y);
	}
	return tmp;
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8) :: tmp
    if ((y <= (-1.05d+16)) .or. (.not. (y <= 7.5d+41))) then
        tmp = x + (y / (z * (-3.0d0)))
    else
        tmp = x + ((0.3333333333333333d0 * (t / z)) / y)
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t) {
	double tmp;
	if ((y <= -1.05e+16) || !(y <= 7.5e+41)) {
		tmp = x + (y / (z * -3.0));
	} else {
		tmp = x + ((0.3333333333333333 * (t / z)) / y);
	}
	return tmp;
}
def code(x, y, z, t):
	tmp = 0
	if (y <= -1.05e+16) or not (y <= 7.5e+41):
		tmp = x + (y / (z * -3.0))
	else:
		tmp = x + ((0.3333333333333333 * (t / z)) / y)
	return tmp
function code(x, y, z, t)
	tmp = 0.0
	if ((y <= -1.05e+16) || !(y <= 7.5e+41))
		tmp = Float64(x + Float64(y / Float64(z * -3.0)));
	else
		tmp = Float64(x + Float64(Float64(0.3333333333333333 * Float64(t / z)) / y));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t)
	tmp = 0.0;
	if ((y <= -1.05e+16) || ~((y <= 7.5e+41)))
		tmp = x + (y / (z * -3.0));
	else
		tmp = x + ((0.3333333333333333 * (t / z)) / y);
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_] := If[Or[LessEqual[y, -1.05e+16], N[Not[LessEqual[y, 7.5e+41]], $MachinePrecision]], N[(x + N[(y / N[(z * -3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x + N[(N[(0.3333333333333333 * N[(t / z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.05 \cdot 10^{+16} \lor \neg \left(y \leq 7.5 \cdot 10^{+41}\right):\\
\;\;\;\;x + \frac{y}{z \cdot -3}\\

\mathbf{else}:\\
\;\;\;\;x + \frac{0.3333333333333333 \cdot \frac{t}{z}}{y}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if y < -1.05e16 or 7.50000000000000072e41 < y

    1. Initial program 96.2%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-96.2%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg96.2%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg96.2%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in96.2%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg96.2%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-196.2%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/96.2%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/96.0%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac96.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-196.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac96.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--99.7%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative99.7%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*99.6%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval99.6%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified99.6%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Taylor expanded in y around inf 93.4%

      \[\leadsto x + \frac{-0.3333333333333333}{z} \cdot \color{blue}{y} \]
    5. Step-by-step derivation
      1. clear-num93.4%

        \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot y \]
      2. inv-pow93.4%

        \[\leadsto x + \color{blue}{{\left(\frac{z}{-0.3333333333333333}\right)}^{-1}} \cdot y \]
    6. Applied egg-rr93.4%

      \[\leadsto x + \color{blue}{{\left(\frac{z}{-0.3333333333333333}\right)}^{-1}} \cdot y \]
    7. Step-by-step derivation
      1. unpow-193.4%

        \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot y \]
    8. Simplified93.4%

      \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot y \]
    9. Step-by-step derivation
      1. associate-*l/93.5%

        \[\leadsto x + \color{blue}{\frac{1 \cdot y}{\frac{z}{-0.3333333333333333}}} \]
      2. *-un-lft-identity93.5%

        \[\leadsto x + \frac{\color{blue}{y}}{\frac{z}{-0.3333333333333333}} \]
    10. Applied egg-rr93.5%

      \[\leadsto x + \color{blue}{\frac{y}{\frac{z}{-0.3333333333333333}}} \]
    11. Taylor expanded in z around 0 93.6%

      \[\leadsto x + \frac{y}{\color{blue}{-3 \cdot z}} \]
    12. Step-by-step derivation
      1. *-commutative93.6%

        \[\leadsto x + \frac{y}{\color{blue}{z \cdot -3}} \]
    13. Simplified93.6%

      \[\leadsto x + \frac{y}{\color{blue}{z \cdot -3}} \]

    if -1.05e16 < y < 7.50000000000000072e41

    1. Initial program 92.8%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-92.8%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg92.8%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg92.8%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in92.8%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg92.8%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-192.8%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/92.8%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/92.8%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac92.8%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-192.8%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac89.5%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--89.5%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative89.5%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*89.5%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval89.5%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified89.5%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Taylor expanded in y around 0 91.3%

      \[\leadsto x + \color{blue}{0.3333333333333333 \cdot \frac{t}{y \cdot z}} \]
    5. Step-by-step derivation
      1. *-commutative91.3%

        \[\leadsto x + \color{blue}{\frac{t}{y \cdot z} \cdot 0.3333333333333333} \]
      2. associate-*l/91.3%

        \[\leadsto x + \color{blue}{\frac{t \cdot 0.3333333333333333}{y \cdot z}} \]
      3. times-frac86.6%

        \[\leadsto x + \color{blue}{\frac{t}{y} \cdot \frac{0.3333333333333333}{z}} \]
    6. Simplified86.6%

      \[\leadsto x + \color{blue}{\frac{t}{y} \cdot \frac{0.3333333333333333}{z}} \]
    7. Step-by-step derivation
      1. associate-*l/95.5%

        \[\leadsto x + \color{blue}{\frac{t \cdot \frac{0.3333333333333333}{z}}{y}} \]
    8. Applied egg-rr95.5%

      \[\leadsto x + \color{blue}{\frac{t \cdot \frac{0.3333333333333333}{z}}{y}} \]
    9. Taylor expanded in t around 0 95.5%

      \[\leadsto x + \frac{\color{blue}{0.3333333333333333 \cdot \frac{t}{z}}}{y} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification94.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -1.05 \cdot 10^{+16} \lor \neg \left(y \leq 7.5 \cdot 10^{+41}\right):\\ \;\;\;\;x + \frac{y}{z \cdot -3}\\ \mathbf{else}:\\ \;\;\;\;x + \frac{0.3333333333333333 \cdot \frac{t}{z}}{y}\\ \end{array} \]

Alternative 9: 91.9% accurate, 1.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -2.4 \cdot 10^{+15} \lor \neg \left(y \leq 3.1 \cdot 10^{+42}\right):\\ \;\;\;\;x + \frac{y}{z \cdot -3}\\ \mathbf{else}:\\ \;\;\;\;x + \frac{t \cdot \frac{0.3333333333333333}{z}}{y}\\ \end{array} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (if (or (<= y -2.4e+15) (not (<= y 3.1e+42)))
   (+ x (/ y (* z -3.0)))
   (+ x (/ (* t (/ 0.3333333333333333 z)) y))))
double code(double x, double y, double z, double t) {
	double tmp;
	if ((y <= -2.4e+15) || !(y <= 3.1e+42)) {
		tmp = x + (y / (z * -3.0));
	} else {
		tmp = x + ((t * (0.3333333333333333 / z)) / y);
	}
	return tmp;
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    real(8) :: tmp
    if ((y <= (-2.4d+15)) .or. (.not. (y <= 3.1d+42))) then
        tmp = x + (y / (z * (-3.0d0)))
    else
        tmp = x + ((t * (0.3333333333333333d0 / z)) / y)
    end if
    code = tmp
end function
public static double code(double x, double y, double z, double t) {
	double tmp;
	if ((y <= -2.4e+15) || !(y <= 3.1e+42)) {
		tmp = x + (y / (z * -3.0));
	} else {
		tmp = x + ((t * (0.3333333333333333 / z)) / y);
	}
	return tmp;
}
def code(x, y, z, t):
	tmp = 0
	if (y <= -2.4e+15) or not (y <= 3.1e+42):
		tmp = x + (y / (z * -3.0))
	else:
		tmp = x + ((t * (0.3333333333333333 / z)) / y)
	return tmp
function code(x, y, z, t)
	tmp = 0.0
	if ((y <= -2.4e+15) || !(y <= 3.1e+42))
		tmp = Float64(x + Float64(y / Float64(z * -3.0)));
	else
		tmp = Float64(x + Float64(Float64(t * Float64(0.3333333333333333 / z)) / y));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t)
	tmp = 0.0;
	if ((y <= -2.4e+15) || ~((y <= 3.1e+42)))
		tmp = x + (y / (z * -3.0));
	else
		tmp = x + ((t * (0.3333333333333333 / z)) / y);
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_] := If[Or[LessEqual[y, -2.4e+15], N[Not[LessEqual[y, 3.1e+42]], $MachinePrecision]], N[(x + N[(y / N[(z * -3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x + N[(N[(t * N[(0.3333333333333333 / z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.4 \cdot 10^{+15} \lor \neg \left(y \leq 3.1 \cdot 10^{+42}\right):\\
\;\;\;\;x + \frac{y}{z \cdot -3}\\

\mathbf{else}:\\
\;\;\;\;x + \frac{t \cdot \frac{0.3333333333333333}{z}}{y}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if y < -2.4e15 or 3.1000000000000002e42 < y

    1. Initial program 96.2%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-96.2%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg96.2%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg96.2%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in96.2%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg96.2%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-196.2%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/96.2%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/96.0%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac96.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-196.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac96.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--99.7%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative99.7%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*99.6%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval99.6%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified99.6%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Taylor expanded in y around inf 93.4%

      \[\leadsto x + \frac{-0.3333333333333333}{z} \cdot \color{blue}{y} \]
    5. Step-by-step derivation
      1. clear-num93.4%

        \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot y \]
      2. inv-pow93.4%

        \[\leadsto x + \color{blue}{{\left(\frac{z}{-0.3333333333333333}\right)}^{-1}} \cdot y \]
    6. Applied egg-rr93.4%

      \[\leadsto x + \color{blue}{{\left(\frac{z}{-0.3333333333333333}\right)}^{-1}} \cdot y \]
    7. Step-by-step derivation
      1. unpow-193.4%

        \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot y \]
    8. Simplified93.4%

      \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot y \]
    9. Step-by-step derivation
      1. associate-*l/93.5%

        \[\leadsto x + \color{blue}{\frac{1 \cdot y}{\frac{z}{-0.3333333333333333}}} \]
      2. *-un-lft-identity93.5%

        \[\leadsto x + \frac{\color{blue}{y}}{\frac{z}{-0.3333333333333333}} \]
    10. Applied egg-rr93.5%

      \[\leadsto x + \color{blue}{\frac{y}{\frac{z}{-0.3333333333333333}}} \]
    11. Taylor expanded in z around 0 93.6%

      \[\leadsto x + \frac{y}{\color{blue}{-3 \cdot z}} \]
    12. Step-by-step derivation
      1. *-commutative93.6%

        \[\leadsto x + \frac{y}{\color{blue}{z \cdot -3}} \]
    13. Simplified93.6%

      \[\leadsto x + \frac{y}{\color{blue}{z \cdot -3}} \]

    if -2.4e15 < y < 3.1000000000000002e42

    1. Initial program 92.8%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-92.8%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg92.8%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg92.8%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in92.8%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg92.8%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-192.8%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/92.8%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/92.8%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac92.8%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-192.8%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac89.5%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--89.5%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative89.5%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*89.5%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval89.5%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified89.5%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Taylor expanded in y around 0 91.3%

      \[\leadsto x + \color{blue}{0.3333333333333333 \cdot \frac{t}{y \cdot z}} \]
    5. Step-by-step derivation
      1. *-commutative91.3%

        \[\leadsto x + \color{blue}{\frac{t}{y \cdot z} \cdot 0.3333333333333333} \]
      2. associate-*l/91.3%

        \[\leadsto x + \color{blue}{\frac{t \cdot 0.3333333333333333}{y \cdot z}} \]
      3. times-frac86.6%

        \[\leadsto x + \color{blue}{\frac{t}{y} \cdot \frac{0.3333333333333333}{z}} \]
    6. Simplified86.6%

      \[\leadsto x + \color{blue}{\frac{t}{y} \cdot \frac{0.3333333333333333}{z}} \]
    7. Step-by-step derivation
      1. associate-*l/95.5%

        \[\leadsto x + \color{blue}{\frac{t \cdot \frac{0.3333333333333333}{z}}{y}} \]
    8. Applied egg-rr95.5%

      \[\leadsto x + \color{blue}{\frac{t \cdot \frac{0.3333333333333333}{z}}{y}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification94.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -2.4 \cdot 10^{+15} \lor \neg \left(y \leq 3.1 \cdot 10^{+42}\right):\\ \;\;\;\;x + \frac{y}{z \cdot -3}\\ \mathbf{else}:\\ \;\;\;\;x + \frac{t \cdot \frac{0.3333333333333333}{z}}{y}\\ \end{array} \]

Alternative 10: 65.1% accurate, 2.1× speedup?

\[\begin{array}{l} \\ x + y \cdot \frac{-0.3333333333333333}{z} \end{array} \]
(FPCore (x y z t) :precision binary64 (+ x (* y (/ -0.3333333333333333 z))))
double code(double x, double y, double z, double t) {
	return x + (y * (-0.3333333333333333 / z));
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    code = x + (y * ((-0.3333333333333333d0) / z))
end function
public static double code(double x, double y, double z, double t) {
	return x + (y * (-0.3333333333333333 / z));
}
def code(x, y, z, t):
	return x + (y * (-0.3333333333333333 / z))
function code(x, y, z, t)
	return Float64(x + Float64(y * Float64(-0.3333333333333333 / z)))
end
function tmp = code(x, y, z, t)
	tmp = x + (y * (-0.3333333333333333 / z));
end
code[x_, y_, z_, t_] := N[(x + N[(y * N[(-0.3333333333333333 / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
x + y \cdot \frac{-0.3333333333333333}{z}
\end{array}
Derivation
  1. Initial program 94.2%

    \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
  2. Step-by-step derivation
    1. associate-+l-94.2%

      \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
    2. sub-neg94.2%

      \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
    3. sub-neg94.2%

      \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
    4. distribute-neg-in94.2%

      \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
    5. unsub-neg94.2%

      \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
    6. neg-mul-194.2%

      \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    7. associate-*r/94.2%

      \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    8. associate-*l/94.2%

      \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    9. distribute-neg-frac94.2%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
    10. neg-mul-194.2%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
    11. times-frac92.3%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
    12. distribute-lft-out--93.8%

      \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
    13. *-commutative93.8%

      \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
    14. associate-/r*93.8%

      \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
    15. metadata-eval93.8%

      \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
  3. Simplified93.8%

    \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
  4. Taylor expanded in y around inf 65.0%

    \[\leadsto x + \frac{-0.3333333333333333}{z} \cdot \color{blue}{y} \]
  5. Final simplification65.0%

    \[\leadsto x + y \cdot \frac{-0.3333333333333333}{z} \]

Alternative 11: 65.2% accurate, 2.1× speedup?

\[\begin{array}{l} \\ x + \frac{y}{z \cdot -3} \end{array} \]
(FPCore (x y z t) :precision binary64 (+ x (/ y (* z -3.0))))
double code(double x, double y, double z, double t) {
	return x + (y / (z * -3.0));
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    code = x + (y / (z * (-3.0d0)))
end function
public static double code(double x, double y, double z, double t) {
	return x + (y / (z * -3.0));
}
def code(x, y, z, t):
	return x + (y / (z * -3.0))
function code(x, y, z, t)
	return Float64(x + Float64(y / Float64(z * -3.0)))
end
function tmp = code(x, y, z, t)
	tmp = x + (y / (z * -3.0));
end
code[x_, y_, z_, t_] := N[(x + N[(y / N[(z * -3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
x + \frac{y}{z \cdot -3}
\end{array}
Derivation
  1. Initial program 94.2%

    \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
  2. Step-by-step derivation
    1. associate-+l-94.2%

      \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
    2. sub-neg94.2%

      \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
    3. sub-neg94.2%

      \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
    4. distribute-neg-in94.2%

      \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
    5. unsub-neg94.2%

      \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
    6. neg-mul-194.2%

      \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    7. associate-*r/94.2%

      \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    8. associate-*l/94.2%

      \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    9. distribute-neg-frac94.2%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
    10. neg-mul-194.2%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
    11. times-frac92.3%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
    12. distribute-lft-out--93.8%

      \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
    13. *-commutative93.8%

      \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
    14. associate-/r*93.8%

      \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
    15. metadata-eval93.8%

      \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
  3. Simplified93.8%

    \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
  4. Taylor expanded in y around inf 65.0%

    \[\leadsto x + \frac{-0.3333333333333333}{z} \cdot \color{blue}{y} \]
  5. Step-by-step derivation
    1. clear-num65.0%

      \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot y \]
    2. inv-pow65.0%

      \[\leadsto x + \color{blue}{{\left(\frac{z}{-0.3333333333333333}\right)}^{-1}} \cdot y \]
  6. Applied egg-rr65.0%

    \[\leadsto x + \color{blue}{{\left(\frac{z}{-0.3333333333333333}\right)}^{-1}} \cdot y \]
  7. Step-by-step derivation
    1. unpow-165.0%

      \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot y \]
  8. Simplified65.0%

    \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot y \]
  9. Step-by-step derivation
    1. associate-*l/65.0%

      \[\leadsto x + \color{blue}{\frac{1 \cdot y}{\frac{z}{-0.3333333333333333}}} \]
    2. *-un-lft-identity65.0%

      \[\leadsto x + \frac{\color{blue}{y}}{\frac{z}{-0.3333333333333333}} \]
  10. Applied egg-rr65.0%

    \[\leadsto x + \color{blue}{\frac{y}{\frac{z}{-0.3333333333333333}}} \]
  11. Taylor expanded in z around 0 65.1%

    \[\leadsto x + \frac{y}{\color{blue}{-3 \cdot z}} \]
  12. Step-by-step derivation
    1. *-commutative65.1%

      \[\leadsto x + \frac{y}{\color{blue}{z \cdot -3}} \]
  13. Simplified65.1%

    \[\leadsto x + \frac{y}{\color{blue}{z \cdot -3}} \]
  14. Final simplification65.1%

    \[\leadsto x + \frac{y}{z \cdot -3} \]

Alternative 12: 31.1% accurate, 15.0× speedup?

\[\begin{array}{l} \\ x \end{array} \]
(FPCore (x y z t) :precision binary64 x)
double code(double x, double y, double z, double t) {
	return x;
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    code = x
end function
public static double code(double x, double y, double z, double t) {
	return x;
}
def code(x, y, z, t):
	return x
function code(x, y, z, t)
	return x
end
function tmp = code(x, y, z, t)
	tmp = x;
end
code[x_, y_, z_, t_] := x
\begin{array}{l}

\\
x
\end{array}
Derivation
  1. Initial program 94.2%

    \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
  2. Step-by-step derivation
    1. associate-+l-94.2%

      \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
    2. sub-neg94.2%

      \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
    3. sub-neg94.2%

      \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
    4. distribute-neg-in94.2%

      \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
    5. unsub-neg94.2%

      \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
    6. neg-mul-194.2%

      \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    7. associate-*r/94.2%

      \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    8. associate-*l/94.2%

      \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    9. distribute-neg-frac94.2%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
    10. neg-mul-194.2%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
    11. times-frac92.3%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
    12. distribute-lft-out--93.8%

      \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
    13. *-commutative93.8%

      \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
    14. associate-/r*93.8%

      \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
    15. metadata-eval93.8%

      \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
  3. Simplified93.8%

    \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
  4. Taylor expanded in x around inf 31.0%

    \[\leadsto \color{blue}{x} \]
  5. Final simplification31.0%

    \[\leadsto x \]

Developer target: 96.2% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \left(x - \frac{y}{z \cdot 3}\right) + \frac{\frac{t}{z \cdot 3}}{y} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (+ (- x (/ y (* z 3.0))) (/ (/ t (* z 3.0)) y)))
double code(double x, double y, double z, double t) {
	return (x - (y / (z * 3.0))) + ((t / (z * 3.0)) / y);
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    code = (x - (y / (z * 3.0d0))) + ((t / (z * 3.0d0)) / y)
end function
public static double code(double x, double y, double z, double t) {
	return (x - (y / (z * 3.0))) + ((t / (z * 3.0)) / y);
}
def code(x, y, z, t):
	return (x - (y / (z * 3.0))) + ((t / (z * 3.0)) / y)
function code(x, y, z, t)
	return Float64(Float64(x - Float64(y / Float64(z * 3.0))) + Float64(Float64(t / Float64(z * 3.0)) / y))
end
function tmp = code(x, y, z, t)
	tmp = (x - (y / (z * 3.0))) + ((t / (z * 3.0)) / y);
end
code[x_, y_, z_, t_] := N[(N[(x - N[(y / N[(z * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(N[(t / N[(z * 3.0), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\left(x - \frac{y}{z \cdot 3}\right) + \frac{\frac{t}{z \cdot 3}}{y}
\end{array}

Reproduce

?
herbie shell --seed 2023195 
(FPCore (x y z t)
  :name "Diagrams.Solve.Polynomial:cubForm  from diagrams-solve-0.1, H"
  :precision binary64

  :herbie-target
  (+ (- x (/ y (* z 3.0))) (/ (/ t (* z 3.0)) y))

  (+ (- x (/ y (* z 3.0))) (/ t (* (* z 3.0) y))))