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

Percentage Accurate: 95.6% → 97.6%
Time: 9.4s
Alternatives: 11
Speedup: 1.4×

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 11 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: 95.6% 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: 97.6% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{y}{z \cdot 3}\\ \mathbf{if}\;\left(x - t_1\right) + \frac{t}{y \cdot \left(z \cdot 3\right)} \leq 10^{+297}:\\ \;\;\;\;x - \left(t_1 - \frac{t}{z \cdot \left(y \cdot 3\right)}\right)\\ \mathbf{else}:\\ \;\;\;\;x - \left(y - \frac{t}{y}\right) \cdot \frac{-1}{\frac{z}{-0.3333333333333333}}\\ \end{array} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (let* ((t_1 (/ y (* z 3.0))))
   (if (<= (+ (- x t_1) (/ t (* y (* z 3.0)))) 1e+297)
     (- x (- t_1 (/ t (* z (* y 3.0)))))
     (- x (* (- y (/ t y)) (/ -1.0 (/ z -0.3333333333333333)))))))
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)))) <= 1e+297) {
		tmp = x - (t_1 - (t / (z * (y * 3.0))));
	} else {
		tmp = x - ((y - (t / y)) * (-1.0 / (z / -0.3333333333333333)));
	}
	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)))) <= 1d+297) then
        tmp = x - (t_1 - (t / (z * (y * 3.0d0))))
    else
        tmp = x - ((y - (t / y)) * ((-1.0d0) / (z / (-0.3333333333333333d0))))
    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)))) <= 1e+297) {
		tmp = x - (t_1 - (t / (z * (y * 3.0))));
	} else {
		tmp = x - ((y - (t / y)) * (-1.0 / (z / -0.3333333333333333)));
	}
	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)))) <= 1e+297:
		tmp = x - (t_1 - (t / (z * (y * 3.0))))
	else:
		tmp = x - ((y - (t / y)) * (-1.0 / (z / -0.3333333333333333)))
	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)))) <= 1e+297)
		tmp = Float64(x - Float64(t_1 - Float64(t / Float64(z * Float64(y * 3.0)))));
	else
		tmp = Float64(x - Float64(Float64(y - Float64(t / y)) * Float64(-1.0 / Float64(z / -0.3333333333333333))));
	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)))) <= 1e+297)
		tmp = x - (t_1 - (t / (z * (y * 3.0))));
	else
		tmp = x - ((y - (t / y)) * (-1.0 / (z / -0.3333333333333333)));
	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], 1e+297], N[(x - N[(t$95$1 - N[(t / N[(z * N[(y * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x - N[(N[(y - N[(t / y), $MachinePrecision]), $MachinePrecision] * N[(-1.0 / N[(z / -0.3333333333333333), $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 10^{+297}:\\
\;\;\;\;x - \left(t_1 - \frac{t}{z \cdot \left(y \cdot 3\right)}\right)\\

\mathbf{else}:\\
\;\;\;\;x - \left(y - \frac{t}{y}\right) \cdot \frac{-1}{\frac{z}{-0.3333333333333333}}\\


\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))) < 1e297

    1. Initial program 98.5%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-98.5%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. associate-/r*94.4%

        \[\leadsto x - \left(\frac{y}{z \cdot 3} - \color{blue}{\frac{\frac{t}{z \cdot 3}}{y}}\right) \]
      3. associate-/r*98.5%

        \[\leadsto x - \left(\frac{y}{z \cdot 3} - \color{blue}{\frac{t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      4. associate-*l*98.5%

        \[\leadsto x - \left(\frac{y}{z \cdot 3} - \frac{t}{\color{blue}{z \cdot \left(3 \cdot y\right)}}\right) \]
    3. Applied egg-rr98.5%

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

    if 1e297 < (+.f64 (-.f64 x (/.f64 y (*.f64 z 3))) (/.f64 t (*.f64 (*.f64 z 3) y)))

    1. Initial program 73.4%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-73.4%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg73.4%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg73.4%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in73.4%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg73.4%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-173.4%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/73.4%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/73.4%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac73.4%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-173.4%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac94.4%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--100.0%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative100.0%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*99.9%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval99.9%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Step-by-step derivation
      1. clear-num100.0%

        \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot \left(y - \frac{t}{y}\right) \]
      2. inv-pow100.0%

        \[\leadsto x + \color{blue}{{\left(\frac{z}{-0.3333333333333333}\right)}^{-1}} \cdot \left(y - \frac{t}{y}\right) \]
    5. Applied egg-rr100.0%

      \[\leadsto x + \color{blue}{{\left(\frac{z}{-0.3333333333333333}\right)}^{-1}} \cdot \left(y - \frac{t}{y}\right) \]
    6. Step-by-step derivation
      1. unpow-1100.0%

        \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot \left(y - \frac{t}{y}\right) \]
    7. Simplified100.0%

      \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot \left(y - \frac{t}{y}\right) \]
  3. Recombined 2 regimes into one program.
  4. Final simplification98.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{y \cdot \left(z \cdot 3\right)} \leq 10^{+297}:\\ \;\;\;\;x - \left(\frac{y}{z \cdot 3} - \frac{t}{z \cdot \left(y \cdot 3\right)}\right)\\ \mathbf{else}:\\ \;\;\;\;x - \left(y - \frac{t}{y}\right) \cdot \frac{-1}{\frac{z}{-0.3333333333333333}}\\ \end{array} \]

Alternative 2: 97.6% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{y \cdot \left(z \cdot 3\right)}\\ \mathbf{if}\;t_1 \leq 10^{+297}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;x - \left(y - \frac{t}{y}\right) \cdot \frac{-1}{\frac{z}{-0.3333333333333333}}\\ \end{array} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (let* ((t_1 (+ (- x (/ y (* z 3.0))) (/ t (* y (* z 3.0))))))
   (if (<= t_1 1e+297)
     t_1
     (- x (* (- y (/ t y)) (/ -1.0 (/ z -0.3333333333333333)))))))
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 <= 1e+297) {
		tmp = t_1;
	} else {
		tmp = x - ((y - (t / y)) * (-1.0 / (z / -0.3333333333333333)));
	}
	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 <= 1d+297) then
        tmp = t_1
    else
        tmp = x - ((y - (t / y)) * ((-1.0d0) / (z / (-0.3333333333333333d0))))
    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 <= 1e+297) {
		tmp = t_1;
	} else {
		tmp = x - ((y - (t / y)) * (-1.0 / (z / -0.3333333333333333)));
	}
	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 <= 1e+297:
		tmp = t_1
	else:
		tmp = x - ((y - (t / y)) * (-1.0 / (z / -0.3333333333333333)))
	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 <= 1e+297)
		tmp = t_1;
	else
		tmp = Float64(x - Float64(Float64(y - Float64(t / y)) * Float64(-1.0 / Float64(z / -0.3333333333333333))));
	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 <= 1e+297)
		tmp = t_1;
	else
		tmp = x - ((y - (t / y)) * (-1.0 / (z / -0.3333333333333333)));
	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, 1e+297], t$95$1, N[(x - N[(N[(y - N[(t / y), $MachinePrecision]), $MachinePrecision] * N[(-1.0 / N[(z / -0.3333333333333333), $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 10^{+297}:\\
\;\;\;\;t_1\\

\mathbf{else}:\\
\;\;\;\;x - \left(y - \frac{t}{y}\right) \cdot \frac{-1}{\frac{z}{-0.3333333333333333}}\\


\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))) < 1e297

    1. Initial program 98.5%

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

    if 1e297 < (+.f64 (-.f64 x (/.f64 y (*.f64 z 3))) (/.f64 t (*.f64 (*.f64 z 3) y)))

    1. Initial program 73.4%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-73.4%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg73.4%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg73.4%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in73.4%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg73.4%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-173.4%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/73.4%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/73.4%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac73.4%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-173.4%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac94.4%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--100.0%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative100.0%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*99.9%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval99.9%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Step-by-step derivation
      1. clear-num100.0%

        \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot \left(y - \frac{t}{y}\right) \]
      2. inv-pow100.0%

        \[\leadsto x + \color{blue}{{\left(\frac{z}{-0.3333333333333333}\right)}^{-1}} \cdot \left(y - \frac{t}{y}\right) \]
    5. Applied egg-rr100.0%

      \[\leadsto x + \color{blue}{{\left(\frac{z}{-0.3333333333333333}\right)}^{-1}} \cdot \left(y - \frac{t}{y}\right) \]
    6. Step-by-step derivation
      1. unpow-1100.0%

        \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot \left(y - \frac{t}{y}\right) \]
    7. Simplified100.0%

      \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot \left(y - \frac{t}{y}\right) \]
  3. Recombined 2 regimes into one program.
  4. Final simplification98.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{y \cdot \left(z \cdot 3\right)} \leq 10^{+297}:\\ \;\;\;\;\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{y \cdot \left(z \cdot 3\right)}\\ \mathbf{else}:\\ \;\;\;\;x - \left(y - \frac{t}{y}\right) \cdot \frac{-1}{\frac{z}{-0.3333333333333333}}\\ \end{array} \]

Alternative 3: 88.7% accurate, 1.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -1.25 \cdot 10^{+29}:\\ \;\;\;\;x - \frac{y}{z \cdot 3}\\ \mathbf{elif}\;y \leq 3.9 \cdot 10^{-12}:\\ \;\;\;\;x + \frac{t}{y} \cdot \frac{0.3333333333333333}{z}\\ \mathbf{else}:\\ \;\;\;\;x + \frac{y \cdot -0.3333333333333333}{z}\\ \end{array} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (if (<= y -1.25e+29)
   (- x (/ y (* z 3.0)))
   (if (<= y 3.9e-12)
     (+ x (* (/ t y) (/ 0.3333333333333333 z)))
     (+ x (/ (* y -0.3333333333333333) z)))))
double code(double x, double y, double z, double t) {
	double tmp;
	if (y <= -1.25e+29) {
		tmp = x - (y / (z * 3.0));
	} else if (y <= 3.9e-12) {
		tmp = x + ((t / y) * (0.3333333333333333 / z));
	} else {
		tmp = x + ((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 <= (-1.25d+29)) then
        tmp = x - (y / (z * 3.0d0))
    else if (y <= 3.9d-12) then
        tmp = x + ((t / y) * (0.3333333333333333d0 / z))
    else
        tmp = x + ((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 <= -1.25e+29) {
		tmp = x - (y / (z * 3.0));
	} else if (y <= 3.9e-12) {
		tmp = x + ((t / y) * (0.3333333333333333 / z));
	} else {
		tmp = x + ((y * -0.3333333333333333) / z);
	}
	return tmp;
}
def code(x, y, z, t):
	tmp = 0
	if y <= -1.25e+29:
		tmp = x - (y / (z * 3.0))
	elif y <= 3.9e-12:
		tmp = x + ((t / y) * (0.3333333333333333 / z))
	else:
		tmp = x + ((y * -0.3333333333333333) / z)
	return tmp
function code(x, y, z, t)
	tmp = 0.0
	if (y <= -1.25e+29)
		tmp = Float64(x - Float64(y / Float64(z * 3.0)));
	elseif (y <= 3.9e-12)
		tmp = Float64(x + Float64(Float64(t / y) * Float64(0.3333333333333333 / z)));
	else
		tmp = Float64(x + Float64(Float64(y * -0.3333333333333333) / z));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t)
	tmp = 0.0;
	if (y <= -1.25e+29)
		tmp = x - (y / (z * 3.0));
	elseif (y <= 3.9e-12)
		tmp = x + ((t / y) * (0.3333333333333333 / z));
	else
		tmp = x + ((y * -0.3333333333333333) / z);
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_] := If[LessEqual[y, -1.25e+29], N[(x - N[(y / N[(z * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 3.9e-12], N[(x + N[(N[(t / y), $MachinePrecision] * N[(0.3333333333333333 / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x + N[(N[(y * -0.3333333333333333), $MachinePrecision] / z), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.25 \cdot 10^{+29}:\\
\;\;\;\;x - \frac{y}{z \cdot 3}\\

\mathbf{elif}\;y \leq 3.9 \cdot 10^{-12}:\\
\;\;\;\;x + \frac{t}{y} \cdot \frac{0.3333333333333333}{z}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if y < -1.25e29

    1. Initial program 99.8%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Taylor expanded in t around 0 96.4%

      \[\leadsto \color{blue}{x - 0.3333333333333333 \cdot \frac{y}{z}} \]
    3. Step-by-step derivation
      1. metadata-eval96.4%

        \[\leadsto x - \color{blue}{\frac{1}{3}} \cdot \frac{y}{z} \]
      2. times-frac96.4%

        \[\leadsto x - \color{blue}{\frac{1 \cdot y}{3 \cdot z}} \]
      3. *-un-lft-identity96.4%

        \[\leadsto x - \frac{\color{blue}{y}}{3 \cdot z} \]
      4. *-commutative96.4%

        \[\leadsto x - \frac{y}{\color{blue}{z \cdot 3}} \]
    4. Applied egg-rr96.4%

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

    if -1.25e29 < y < 3.89999999999999994e-12

    1. Initial program 91.5%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-91.5%

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

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

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in91.5%

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

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-191.5%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/91.5%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/91.5%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac91.5%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-191.5%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac93.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--93.0%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative93.0%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*92.9%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval92.9%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified92.9%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Taylor expanded in y around 0 86.0%

      \[\leadsto x + \color{blue}{0.3333333333333333 \cdot \frac{t}{y \cdot z}} \]
    5. Step-by-step derivation
      1. *-commutative86.0%

        \[\leadsto x + \color{blue}{\frac{t}{y \cdot z} \cdot 0.3333333333333333} \]
      2. associate-*l/86.1%

        \[\leadsto x + \color{blue}{\frac{t \cdot 0.3333333333333333}{y \cdot z}} \]
      3. times-frac87.0%

        \[\leadsto x + \color{blue}{\frac{t}{y} \cdot \frac{0.3333333333333333}{z}} \]
    6. Simplified87.0%

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

    if 3.89999999999999994e-12 < y

    1. Initial program 97.1%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-97.1%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg97.1%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg97.1%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in97.1%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg97.1%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-197.1%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/97.1%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/97.0%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac97.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-197.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac97.0%

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

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      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 96.9%

      \[\leadsto x + \color{blue}{\left(-0.3333333333333333 \cdot \frac{y}{z} + 0.3333333333333333 \cdot \frac{t}{y \cdot z}\right)} \]
    5. Step-by-step derivation
      1. +-commutative96.9%

        \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \frac{t}{y \cdot z} + -0.3333333333333333 \cdot \frac{y}{z}\right)} \]
      2. metadata-eval96.9%

        \[\leadsto x + \left(0.3333333333333333 \cdot \frac{t}{y \cdot z} + \color{blue}{\left(-0.3333333333333333\right)} \cdot \frac{y}{z}\right) \]
      3. cancel-sign-sub-inv96.9%

        \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \frac{t}{y \cdot z} - 0.3333333333333333 \cdot \frac{y}{z}\right)} \]
      4. associate-/r*96.9%

        \[\leadsto x + \left(0.3333333333333333 \cdot \color{blue}{\frac{\frac{t}{y}}{z}} - 0.3333333333333333 \cdot \frac{y}{z}\right) \]
      5. associate-*r/96.9%

        \[\leadsto x + \left(\color{blue}{\frac{0.3333333333333333 \cdot \frac{t}{y}}{z}} - 0.3333333333333333 \cdot \frac{y}{z}\right) \]
      6. associate-*r/97.1%

        \[\leadsto x + \left(\frac{0.3333333333333333 \cdot \frac{t}{y}}{z} - \color{blue}{\frac{0.3333333333333333 \cdot y}{z}}\right) \]
      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 t around 0 95.8%

      \[\leadsto x + \frac{\color{blue}{-0.3333333333333333 \cdot y}}{z} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification91.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -1.25 \cdot 10^{+29}:\\ \;\;\;\;x - \frac{y}{z \cdot 3}\\ \mathbf{elif}\;y \leq 3.9 \cdot 10^{-12}:\\ \;\;\;\;x + \frac{t}{y} \cdot \frac{0.3333333333333333}{z}\\ \mathbf{else}:\\ \;\;\;\;x + \frac{y \cdot -0.3333333333333333}{z}\\ \end{array} \]

Alternative 4: 91.9% accurate, 1.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -1.05 \cdot 10^{+29}:\\ \;\;\;\;x - \frac{y}{z \cdot 3}\\ \mathbf{elif}\;y \leq 8.8 \cdot 10^{-11}:\\ \;\;\;\;x + \frac{t}{z} \cdot \frac{0.3333333333333333}{y}\\ \mathbf{else}:\\ \;\;\;\;x + \frac{y \cdot -0.3333333333333333}{z}\\ \end{array} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (if (<= y -1.05e+29)
   (- x (/ y (* z 3.0)))
   (if (<= y 8.8e-11)
     (+ x (* (/ t z) (/ 0.3333333333333333 y)))
     (+ x (/ (* y -0.3333333333333333) z)))))
double code(double x, double y, double z, double t) {
	double tmp;
	if (y <= -1.05e+29) {
		tmp = x - (y / (z * 3.0));
	} else if (y <= 8.8e-11) {
		tmp = x + ((t / z) * (0.3333333333333333 / y));
	} else {
		tmp = x + ((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 <= (-1.05d+29)) then
        tmp = x - (y / (z * 3.0d0))
    else if (y <= 8.8d-11) then
        tmp = x + ((t / z) * (0.3333333333333333d0 / y))
    else
        tmp = x + ((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 <= -1.05e+29) {
		tmp = x - (y / (z * 3.0));
	} else if (y <= 8.8e-11) {
		tmp = x + ((t / z) * (0.3333333333333333 / y));
	} else {
		tmp = x + ((y * -0.3333333333333333) / z);
	}
	return tmp;
}
def code(x, y, z, t):
	tmp = 0
	if y <= -1.05e+29:
		tmp = x - (y / (z * 3.0))
	elif y <= 8.8e-11:
		tmp = x + ((t / z) * (0.3333333333333333 / y))
	else:
		tmp = x + ((y * -0.3333333333333333) / z)
	return tmp
function code(x, y, z, t)
	tmp = 0.0
	if (y <= -1.05e+29)
		tmp = Float64(x - Float64(y / Float64(z * 3.0)));
	elseif (y <= 8.8e-11)
		tmp = Float64(x + Float64(Float64(t / z) * Float64(0.3333333333333333 / y)));
	else
		tmp = Float64(x + Float64(Float64(y * -0.3333333333333333) / z));
	end
	return tmp
end
function tmp_2 = code(x, y, z, t)
	tmp = 0.0;
	if (y <= -1.05e+29)
		tmp = x - (y / (z * 3.0));
	elseif (y <= 8.8e-11)
		tmp = x + ((t / z) * (0.3333333333333333 / y));
	else
		tmp = x + ((y * -0.3333333333333333) / z);
	end
	tmp_2 = tmp;
end
code[x_, y_, z_, t_] := If[LessEqual[y, -1.05e+29], N[(x - N[(y / N[(z * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 8.8e-11], N[(x + N[(N[(t / z), $MachinePrecision] * N[(0.3333333333333333 / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x + N[(N[(y * -0.3333333333333333), $MachinePrecision] / z), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.05 \cdot 10^{+29}:\\
\;\;\;\;x - \frac{y}{z \cdot 3}\\

\mathbf{elif}\;y \leq 8.8 \cdot 10^{-11}:\\
\;\;\;\;x + \frac{t}{z} \cdot \frac{0.3333333333333333}{y}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if y < -1.0500000000000001e29

    1. Initial program 99.8%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Taylor expanded in t around 0 96.4%

      \[\leadsto \color{blue}{x - 0.3333333333333333 \cdot \frac{y}{z}} \]
    3. Step-by-step derivation
      1. metadata-eval96.4%

        \[\leadsto x - \color{blue}{\frac{1}{3}} \cdot \frac{y}{z} \]
      2. times-frac96.4%

        \[\leadsto x - \color{blue}{\frac{1 \cdot y}{3 \cdot z}} \]
      3. *-un-lft-identity96.4%

        \[\leadsto x - \frac{\color{blue}{y}}{3 \cdot z} \]
      4. *-commutative96.4%

        \[\leadsto x - \frac{y}{\color{blue}{z \cdot 3}} \]
    4. Applied egg-rr96.4%

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

    if -1.0500000000000001e29 < y < 8.8000000000000006e-11

    1. Initial program 91.5%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-91.5%

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

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

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in91.5%

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

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-191.5%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/91.5%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/91.5%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac91.5%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-191.5%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac93.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
      12. distribute-lft-out--93.0%

        \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
      13. *-commutative93.0%

        \[\leadsto x + \frac{-1}{\color{blue}{3 \cdot z}} \cdot \left(y - \frac{t}{y}\right) \]
      14. associate-/r*92.9%

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      15. metadata-eval92.9%

        \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
    3. Simplified92.9%

      \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
    4. Taylor expanded in y around 0 86.0%

      \[\leadsto x + \color{blue}{0.3333333333333333 \cdot \frac{t}{y \cdot z}} \]
    5. Step-by-step derivation
      1. *-commutative86.0%

        \[\leadsto x + \color{blue}{\frac{t}{y \cdot z} \cdot 0.3333333333333333} \]
      2. associate-*l/86.1%

        \[\leadsto x + \color{blue}{\frac{t \cdot 0.3333333333333333}{y \cdot z}} \]
      3. times-frac87.0%

        \[\leadsto x + \color{blue}{\frac{t}{y} \cdot \frac{0.3333333333333333}{z}} \]
    6. Simplified87.0%

      \[\leadsto x + \color{blue}{\frac{t}{y} \cdot \frac{0.3333333333333333}{z}} \]
    7. Step-by-step derivation
      1. frac-times86.1%

        \[\leadsto x + \color{blue}{\frac{t \cdot 0.3333333333333333}{y \cdot z}} \]
    8. Applied egg-rr86.1%

      \[\leadsto x + \color{blue}{\frac{t \cdot 0.3333333333333333}{y \cdot z}} \]
    9. Step-by-step derivation
      1. *-commutative86.1%

        \[\leadsto x + \frac{t \cdot 0.3333333333333333}{\color{blue}{z \cdot y}} \]
      2. times-frac92.3%

        \[\leadsto x + \color{blue}{\frac{t}{z} \cdot \frac{0.3333333333333333}{y}} \]
    10. Applied egg-rr92.3%

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

    if 8.8000000000000006e-11 < y

    1. Initial program 97.1%

      \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
    2. Step-by-step derivation
      1. associate-+l-97.1%

        \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
      2. sub-neg97.1%

        \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      3. sub-neg97.1%

        \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
      4. distribute-neg-in97.1%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
      5. unsub-neg97.1%

        \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
      6. neg-mul-197.1%

        \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      7. associate-*r/97.1%

        \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      8. associate-*l/97.0%

        \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
      9. distribute-neg-frac97.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
      10. neg-mul-197.0%

        \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
      11. times-frac97.0%

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

        \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
      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 96.9%

      \[\leadsto x + \color{blue}{\left(-0.3333333333333333 \cdot \frac{y}{z} + 0.3333333333333333 \cdot \frac{t}{y \cdot z}\right)} \]
    5. Step-by-step derivation
      1. +-commutative96.9%

        \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \frac{t}{y \cdot z} + -0.3333333333333333 \cdot \frac{y}{z}\right)} \]
      2. metadata-eval96.9%

        \[\leadsto x + \left(0.3333333333333333 \cdot \frac{t}{y \cdot z} + \color{blue}{\left(-0.3333333333333333\right)} \cdot \frac{y}{z}\right) \]
      3. cancel-sign-sub-inv96.9%

        \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \frac{t}{y \cdot z} - 0.3333333333333333 \cdot \frac{y}{z}\right)} \]
      4. associate-/r*96.9%

        \[\leadsto x + \left(0.3333333333333333 \cdot \color{blue}{\frac{\frac{t}{y}}{z}} - 0.3333333333333333 \cdot \frac{y}{z}\right) \]
      5. associate-*r/96.9%

        \[\leadsto x + \left(\color{blue}{\frac{0.3333333333333333 \cdot \frac{t}{y}}{z}} - 0.3333333333333333 \cdot \frac{y}{z}\right) \]
      6. associate-*r/97.1%

        \[\leadsto x + \left(\frac{0.3333333333333333 \cdot \frac{t}{y}}{z} - \color{blue}{\frac{0.3333333333333333 \cdot y}{z}}\right) \]
      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 t around 0 95.8%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -1.05 \cdot 10^{+29}:\\ \;\;\;\;x - \frac{y}{z \cdot 3}\\ \mathbf{elif}\;y \leq 8.8 \cdot 10^{-11}:\\ \;\;\;\;x + \frac{t}{z} \cdot \frac{0.3333333333333333}{y}\\ \mathbf{else}:\\ \;\;\;\;x + \frac{y \cdot -0.3333333333333333}{z}\\ \end{array} \]

Alternative 5: 95.8% accurate, 1.2× speedup?

\[\begin{array}{l} \\ x + \frac{\frac{1}{\frac{y}{t}} - y}{z \cdot 3} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (+ x (/ (- (/ 1.0 (/ y t)) y) (* z 3.0))))
double code(double x, double y, double z, double t) {
	return x + (((1.0 / (y / t)) - 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 + (((1.0d0 / (y / t)) - y) / (z * 3.0d0))
end function
public static double code(double x, double y, double z, double t) {
	return x + (((1.0 / (y / t)) - y) / (z * 3.0));
}
def code(x, y, z, t):
	return x + (((1.0 / (y / t)) - y) / (z * 3.0))
function code(x, y, z, t)
	return Float64(x + Float64(Float64(Float64(1.0 / Float64(y / t)) - y) / Float64(z * 3.0)))
end
function tmp = code(x, y, z, t)
	tmp = x + (((1.0 / (y / t)) - y) / (z * 3.0));
end
code[x_, y_, z_, t_] := N[(x + N[(N[(N[(1.0 / N[(y / t), $MachinePrecision]), $MachinePrecision] - y), $MachinePrecision] / N[(z * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
x + \frac{\frac{1}{\frac{y}{t}} - y}{z \cdot 3}
\end{array}
Derivation
  1. Initial program 95.0%

    \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
  2. Step-by-step derivation
    1. associate-+l-95.0%

      \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
    2. sub-neg95.0%

      \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
    3. sub-neg95.0%

      \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
    4. distribute-neg-in95.0%

      \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
    5. unsub-neg95.0%

      \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
    6. neg-mul-195.0%

      \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    7. associate-*r/95.0%

      \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    8. associate-*l/95.0%

      \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    9. distribute-neg-frac95.0%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
    10. neg-mul-195.0%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
    11. times-frac95.7%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
    12. distribute-lft-out--96.4%

      \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
    13. *-commutative96.4%

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

      \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
    15. metadata-eval96.4%

      \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
  3. Simplified96.4%

    \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
  4. Step-by-step derivation
    1. clear-num96.4%

      \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot \left(y - \frac{t}{y}\right) \]
    2. inv-pow96.4%

      \[\leadsto x + \color{blue}{{\left(\frac{z}{-0.3333333333333333}\right)}^{-1}} \cdot \left(y - \frac{t}{y}\right) \]
  5. Applied egg-rr96.4%

    \[\leadsto x + \color{blue}{{\left(\frac{z}{-0.3333333333333333}\right)}^{-1}} \cdot \left(y - \frac{t}{y}\right) \]
  6. Step-by-step derivation
    1. unpow-196.4%

      \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot \left(y - \frac{t}{y}\right) \]
  7. Simplified96.4%

    \[\leadsto x + \color{blue}{\frac{1}{\frac{z}{-0.3333333333333333}}} \cdot \left(y - \frac{t}{y}\right) \]
  8. Step-by-step derivation
    1. associate-*l/96.5%

      \[\leadsto x + \color{blue}{\frac{1 \cdot \left(y - \frac{t}{y}\right)}{\frac{z}{-0.3333333333333333}}} \]
    2. *-un-lft-identity96.5%

      \[\leadsto x + \frac{\color{blue}{y - \frac{t}{y}}}{\frac{z}{-0.3333333333333333}} \]
    3. frac-2neg96.5%

      \[\leadsto x + \color{blue}{\frac{-\left(y - \frac{t}{y}\right)}{-\frac{z}{-0.3333333333333333}}} \]
    4. div-inv96.5%

      \[\leadsto x + \frac{-\left(y - \frac{t}{y}\right)}{-\color{blue}{z \cdot \frac{1}{-0.3333333333333333}}} \]
    5. metadata-eval96.5%

      \[\leadsto x + \frac{-\left(y - \frac{t}{y}\right)}{-z \cdot \color{blue}{-3}} \]
  9. Applied egg-rr96.5%

    \[\leadsto x + \color{blue}{\frac{-\left(y - \frac{t}{y}\right)}{-z \cdot -3}} \]
  10. Step-by-step derivation
    1. neg-sub096.5%

      \[\leadsto x + \frac{\color{blue}{0 - \left(y - \frac{t}{y}\right)}}{-z \cdot -3} \]
    2. associate-+l-96.5%

      \[\leadsto x + \frac{\color{blue}{\left(0 - y\right) + \frac{t}{y}}}{-z \cdot -3} \]
    3. neg-sub096.5%

      \[\leadsto x + \frac{\color{blue}{\left(-y\right)} + \frac{t}{y}}{-z \cdot -3} \]
    4. +-commutative96.5%

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

      \[\leadsto x + \frac{\color{blue}{\frac{t}{y} - y}}{-z \cdot -3} \]
    6. distribute-rgt-neg-in96.5%

      \[\leadsto x + \frac{\frac{t}{y} - y}{\color{blue}{z \cdot \left(--3\right)}} \]
    7. metadata-eval96.5%

      \[\leadsto x + \frac{\frac{t}{y} - y}{z \cdot \color{blue}{3}} \]
  11. Simplified96.5%

    \[\leadsto x + \color{blue}{\frac{\frac{t}{y} - y}{z \cdot 3}} \]
  12. Step-by-step derivation
    1. div-inv96.5%

      \[\leadsto x + \frac{\color{blue}{t \cdot \frac{1}{y}} - y}{z \cdot 3} \]
    2. fma-neg96.5%

      \[\leadsto x + \frac{\color{blue}{\mathsf{fma}\left(t, \frac{1}{y}, -y\right)}}{z \cdot 3} \]
  13. Applied egg-rr96.5%

    \[\leadsto x + \frac{\color{blue}{\mathsf{fma}\left(t, \frac{1}{y}, -y\right)}}{z \cdot 3} \]
  14. Step-by-step derivation
    1. fma-udef96.5%

      \[\leadsto x + \frac{\color{blue}{t \cdot \frac{1}{y} + \left(-y\right)}}{z \cdot 3} \]
    2. unsub-neg96.5%

      \[\leadsto x + \frac{\color{blue}{t \cdot \frac{1}{y} - y}}{z \cdot 3} \]
  15. Simplified96.5%

    \[\leadsto x + \frac{\color{blue}{t \cdot \frac{1}{y} - y}}{z \cdot 3} \]
  16. Step-by-step derivation
    1. un-div-inv96.5%

      \[\leadsto x + \frac{\color{blue}{\frac{t}{y}} - y}{z \cdot 3} \]
    2. clear-num96.5%

      \[\leadsto x + \frac{\color{blue}{\frac{1}{\frac{y}{t}}} - y}{z \cdot 3} \]
  17. Applied egg-rr96.5%

    \[\leadsto x + \frac{\color{blue}{\frac{1}{\frac{y}{t}}} - y}{z \cdot 3} \]
  18. Final simplification96.5%

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

Alternative 6: 95.8% accurate, 1.4× speedup?

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

\\
x + \left(y - \frac{t}{y}\right) \cdot \frac{-0.3333333333333333}{z}
\end{array}
Derivation
  1. Initial program 95.0%

    \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
  2. Step-by-step derivation
    1. associate-+l-95.0%

      \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
    2. sub-neg95.0%

      \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
    3. sub-neg95.0%

      \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
    4. distribute-neg-in95.0%

      \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
    5. unsub-neg95.0%

      \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
    6. neg-mul-195.0%

      \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    7. associate-*r/95.0%

      \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    8. associate-*l/95.0%

      \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    9. distribute-neg-frac95.0%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
    10. neg-mul-195.0%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
    11. times-frac95.7%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
    12. distribute-lft-out--96.4%

      \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
    13. *-commutative96.4%

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

      \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
    15. metadata-eval96.4%

      \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
  3. Simplified96.4%

    \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
  4. Final simplification96.4%

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

Alternative 7: 95.8% accurate, 1.4× speedup?

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

\\
x - \frac{\left(y - \frac{t}{y}\right) \cdot 0.3333333333333333}{z}
\end{array}
Derivation
  1. Initial program 95.0%

    \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
  2. Step-by-step derivation
    1. associate-+l-95.0%

      \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
    2. sub-neg95.0%

      \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
    3. sub-neg95.0%

      \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
    4. distribute-neg-in95.0%

      \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
    5. unsub-neg95.0%

      \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
    6. neg-mul-195.0%

      \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    7. associate-*r/95.0%

      \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    8. associate-*l/95.0%

      \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    9. distribute-neg-frac95.0%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
    10. neg-mul-195.0%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
    11. times-frac95.7%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
    12. distribute-lft-out--96.4%

      \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
    13. *-commutative96.4%

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

      \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
    15. metadata-eval96.4%

      \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
  3. Simplified96.4%

    \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
  4. Taylor expanded in y around 0 94.9%

    \[\leadsto x + \color{blue}{\left(-0.3333333333333333 \cdot \frac{y}{z} + 0.3333333333333333 \cdot \frac{t}{y \cdot z}\right)} \]
  5. Step-by-step derivation
    1. +-commutative94.9%

      \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \frac{t}{y \cdot z} + -0.3333333333333333 \cdot \frac{y}{z}\right)} \]
    2. metadata-eval94.9%

      \[\leadsto x + \left(0.3333333333333333 \cdot \frac{t}{y \cdot z} + \color{blue}{\left(-0.3333333333333333\right)} \cdot \frac{y}{z}\right) \]
    3. cancel-sign-sub-inv94.9%

      \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \frac{t}{y \cdot z} - 0.3333333333333333 \cdot \frac{y}{z}\right)} \]
    4. associate-/r*95.6%

      \[\leadsto x + \left(0.3333333333333333 \cdot \color{blue}{\frac{\frac{t}{y}}{z}} - 0.3333333333333333 \cdot \frac{y}{z}\right) \]
    5. associate-*r/95.6%

      \[\leadsto x + \left(\color{blue}{\frac{0.3333333333333333 \cdot \frac{t}{y}}{z}} - 0.3333333333333333 \cdot \frac{y}{z}\right) \]
    6. associate-*r/95.7%

      \[\leadsto x + \left(\frac{0.3333333333333333 \cdot \frac{t}{y}}{z} - \color{blue}{\frac{0.3333333333333333 \cdot y}{z}}\right) \]
    7. div-sub96.5%

      \[\leadsto x + \color{blue}{\frac{0.3333333333333333 \cdot \frac{t}{y} - 0.3333333333333333 \cdot y}{z}} \]
    8. distribute-lft-out--96.5%

      \[\leadsto x + \frac{\color{blue}{0.3333333333333333 \cdot \left(\frac{t}{y} - y\right)}}{z} \]
  6. Simplified96.5%

    \[\leadsto x + \color{blue}{\frac{0.3333333333333333 \cdot \left(\frac{t}{y} - y\right)}{z}} \]
  7. Final simplification96.5%

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

Alternative 8: 63.0% 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 95.0%

    \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
  2. Step-by-step derivation
    1. associate-+l-95.0%

      \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
    2. sub-neg95.0%

      \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
    3. sub-neg95.0%

      \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
    4. distribute-neg-in95.0%

      \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
    5. unsub-neg95.0%

      \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
    6. neg-mul-195.0%

      \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    7. associate-*r/95.0%

      \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    8. associate-*l/95.0%

      \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    9. distribute-neg-frac95.0%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
    10. neg-mul-195.0%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
    11. times-frac95.7%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
    12. distribute-lft-out--96.4%

      \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
    13. *-commutative96.4%

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

      \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
    15. metadata-eval96.4%

      \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
  3. Simplified96.4%

    \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
  4. Taylor expanded in y around inf 69.1%

    \[\leadsto x + \frac{-0.3333333333333333}{z} \cdot \color{blue}{y} \]
  5. Final simplification69.1%

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

Alternative 9: 63.0% accurate, 2.1× speedup?

\[\begin{array}{l} \\ x + \frac{y \cdot -0.3333333333333333}{z} \end{array} \]
(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(Float64(y * -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[(N[(y * -0.3333333333333333), $MachinePrecision] / z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
x + \frac{y \cdot -0.3333333333333333}{z}
\end{array}
Derivation
  1. Initial program 95.0%

    \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
  2. Step-by-step derivation
    1. associate-+l-95.0%

      \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
    2. sub-neg95.0%

      \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
    3. sub-neg95.0%

      \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
    4. distribute-neg-in95.0%

      \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
    5. unsub-neg95.0%

      \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
    6. neg-mul-195.0%

      \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    7. associate-*r/95.0%

      \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    8. associate-*l/95.0%

      \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    9. distribute-neg-frac95.0%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
    10. neg-mul-195.0%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
    11. times-frac95.7%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
    12. distribute-lft-out--96.4%

      \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
    13. *-commutative96.4%

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

      \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
    15. metadata-eval96.4%

      \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
  3. Simplified96.4%

    \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
  4. Taylor expanded in y around 0 94.9%

    \[\leadsto x + \color{blue}{\left(-0.3333333333333333 \cdot \frac{y}{z} + 0.3333333333333333 \cdot \frac{t}{y \cdot z}\right)} \]
  5. Step-by-step derivation
    1. +-commutative94.9%

      \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \frac{t}{y \cdot z} + -0.3333333333333333 \cdot \frac{y}{z}\right)} \]
    2. metadata-eval94.9%

      \[\leadsto x + \left(0.3333333333333333 \cdot \frac{t}{y \cdot z} + \color{blue}{\left(-0.3333333333333333\right)} \cdot \frac{y}{z}\right) \]
    3. cancel-sign-sub-inv94.9%

      \[\leadsto x + \color{blue}{\left(0.3333333333333333 \cdot \frac{t}{y \cdot z} - 0.3333333333333333 \cdot \frac{y}{z}\right)} \]
    4. associate-/r*95.6%

      \[\leadsto x + \left(0.3333333333333333 \cdot \color{blue}{\frac{\frac{t}{y}}{z}} - 0.3333333333333333 \cdot \frac{y}{z}\right) \]
    5. associate-*r/95.6%

      \[\leadsto x + \left(\color{blue}{\frac{0.3333333333333333 \cdot \frac{t}{y}}{z}} - 0.3333333333333333 \cdot \frac{y}{z}\right) \]
    6. associate-*r/95.7%

      \[\leadsto x + \left(\frac{0.3333333333333333 \cdot \frac{t}{y}}{z} - \color{blue}{\frac{0.3333333333333333 \cdot y}{z}}\right) \]
    7. div-sub96.5%

      \[\leadsto x + \color{blue}{\frac{0.3333333333333333 \cdot \frac{t}{y} - 0.3333333333333333 \cdot y}{z}} \]
    8. distribute-lft-out--96.5%

      \[\leadsto x + \frac{\color{blue}{0.3333333333333333 \cdot \left(\frac{t}{y} - y\right)}}{z} \]
  6. Simplified96.5%

    \[\leadsto x + \color{blue}{\frac{0.3333333333333333 \cdot \left(\frac{t}{y} - y\right)}{z}} \]
  7. Taylor expanded in t around 0 69.1%

    \[\leadsto x + \frac{\color{blue}{-0.3333333333333333 \cdot y}}{z} \]
  8. Final simplification69.1%

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

Alternative 10: 63.0% 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 95.0%

    \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
  2. Taylor expanded in t around 0 69.1%

    \[\leadsto \color{blue}{x - 0.3333333333333333 \cdot \frac{y}{z}} \]
  3. Step-by-step derivation
    1. metadata-eval69.1%

      \[\leadsto x - \color{blue}{\frac{1}{3}} \cdot \frac{y}{z} \]
    2. times-frac69.1%

      \[\leadsto x - \color{blue}{\frac{1 \cdot y}{3 \cdot z}} \]
    3. *-un-lft-identity69.1%

      \[\leadsto x - \frac{\color{blue}{y}}{3 \cdot z} \]
    4. *-commutative69.1%

      \[\leadsto x - \frac{y}{\color{blue}{z \cdot 3}} \]
  4. Applied egg-rr69.1%

    \[\leadsto x - \color{blue}{\frac{y}{z \cdot 3}} \]
  5. Final simplification69.1%

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

Alternative 11: 30.5% 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 95.0%

    \[\left(x - \frac{y}{z \cdot 3}\right) + \frac{t}{\left(z \cdot 3\right) \cdot y} \]
  2. Step-by-step derivation
    1. associate-+l-95.0%

      \[\leadsto \color{blue}{x - \left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)} \]
    2. sub-neg95.0%

      \[\leadsto \color{blue}{x + \left(-\left(\frac{y}{z \cdot 3} - \frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
    3. sub-neg95.0%

      \[\leadsto x + \left(-\color{blue}{\left(\frac{y}{z \cdot 3} + \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)}\right) \]
    4. distribute-neg-in95.0%

      \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) + \left(-\left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)\right)} \]
    5. unsub-neg95.0%

      \[\leadsto x + \color{blue}{\left(\left(-\frac{y}{z \cdot 3}\right) - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right)} \]
    6. neg-mul-195.0%

      \[\leadsto x + \left(\color{blue}{-1 \cdot \frac{y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    7. associate-*r/95.0%

      \[\leadsto x + \left(\color{blue}{\frac{-1 \cdot y}{z \cdot 3}} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    8. associate-*l/95.0%

      \[\leadsto x + \left(\color{blue}{\frac{-1}{z \cdot 3} \cdot y} - \left(-\frac{t}{\left(z \cdot 3\right) \cdot y}\right)\right) \]
    9. distribute-neg-frac95.0%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-t}{\left(z \cdot 3\right) \cdot y}}\right) \]
    10. neg-mul-195.0%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \frac{\color{blue}{-1 \cdot t}}{\left(z \cdot 3\right) \cdot y}\right) \]
    11. times-frac95.7%

      \[\leadsto x + \left(\frac{-1}{z \cdot 3} \cdot y - \color{blue}{\frac{-1}{z \cdot 3} \cdot \frac{t}{y}}\right) \]
    12. distribute-lft-out--96.4%

      \[\leadsto x + \color{blue}{\frac{-1}{z \cdot 3} \cdot \left(y - \frac{t}{y}\right)} \]
    13. *-commutative96.4%

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

      \[\leadsto x + \color{blue}{\frac{\frac{-1}{3}}{z}} \cdot \left(y - \frac{t}{y}\right) \]
    15. metadata-eval96.4%

      \[\leadsto x + \frac{\color{blue}{-0.3333333333333333}}{z} \cdot \left(y - \frac{t}{y}\right) \]
  3. Simplified96.4%

    \[\leadsto \color{blue}{x + \frac{-0.3333333333333333}{z} \cdot \left(y - \frac{t}{y}\right)} \]
  4. Taylor expanded in x around inf 32.6%

    \[\leadsto \color{blue}{x} \]
  5. Final simplification32.6%

    \[\leadsto x \]

Developer target: 95.7% 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 2023208 
(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))))