Graphics.Rendering.Plot.Render.Plot.Legend:renderLegendInside from plot-0.2.3.4

Percentage Accurate: 99.9% → 100.0%
Time: 7.2s
Alternatives: 10
Speedup: 1.2×

Specification

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

\\
\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x
\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 10 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: 99.9% accurate, 1.0× speedup?

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

\\
\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x
\end{array}

Alternative 1: 100.0% accurate, 0.1× speedup?

\[\begin{array}{l} \\ z - \mathsf{fma}\left(x, -3, y \cdot -2\right) \end{array} \]
(FPCore (x y z) :precision binary64 (- z (fma x -3.0 (* y -2.0))))
double code(double x, double y, double z) {
	return z - fma(x, -3.0, (y * -2.0));
}
function code(x, y, z)
	return Float64(z - fma(x, -3.0, Float64(y * -2.0)))
end
code[x_, y_, z_] := N[(z - N[(x * -3.0 + N[(y * -2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
z - \mathsf{fma}\left(x, -3, y \cdot -2\right)
\end{array}
Derivation
  1. Initial program 99.9%

    \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
  2. Step-by-step derivation
    1. +-commutative99.9%

      \[\leadsto \color{blue}{\left(z + \left(\left(\left(x + y\right) + y\right) + x\right)\right)} + x \]
    2. associate-+l+99.9%

      \[\leadsto \color{blue}{z + \left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)} \]
    3. remove-double-neg99.9%

      \[\leadsto z + \color{blue}{\left(-\left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)\right)} \]
    4. unsub-neg99.9%

      \[\leadsto \color{blue}{z - \left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)} \]
    5. +-commutative99.9%

      \[\leadsto z - \left(-\color{blue}{\left(x + \left(\left(\left(x + y\right) + y\right) + x\right)\right)}\right) \]
    6. +-commutative99.9%

      \[\leadsto z - \left(-\left(x + \color{blue}{\left(x + \left(\left(x + y\right) + y\right)\right)}\right)\right) \]
    7. associate-+l+99.9%

      \[\leadsto z - \left(-\left(x + \left(x + \color{blue}{\left(x + \left(y + y\right)\right)}\right)\right)\right) \]
    8. associate-+r+99.9%

      \[\leadsto z - \left(-\left(x + \color{blue}{\left(\left(x + x\right) + \left(y + y\right)\right)}\right)\right) \]
    9. associate-+r+99.9%

      \[\leadsto z - \left(-\color{blue}{\left(\left(x + \left(x + x\right)\right) + \left(y + y\right)\right)}\right) \]
    10. distribute-neg-in99.9%

      \[\leadsto z - \color{blue}{\left(\left(-\left(x + \left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right)} \]
    11. distribute-neg-out99.9%

      \[\leadsto z - \left(\color{blue}{\left(\left(-x\right) + \left(-\left(x + x\right)\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
    12. neg-mul-199.9%

      \[\leadsto z - \left(\left(\color{blue}{-1 \cdot x} + \left(-\left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right) \]
    13. count-299.9%

      \[\leadsto z - \left(\left(-1 \cdot x + \left(-\color{blue}{2 \cdot x}\right)\right) + \left(-\left(y + y\right)\right)\right) \]
    14. distribute-lft-neg-in99.9%

      \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-2\right) \cdot x}\right) + \left(-\left(y + y\right)\right)\right) \]
    15. metadata-eval99.9%

      \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{-2} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
    16. metadata-eval99.9%

      \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-1 + -1\right)} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
    17. distribute-rgt-out99.9%

      \[\leadsto z - \left(\color{blue}{x \cdot \left(-1 + \left(-1 + -1\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
    18. distribute-neg-out99.9%

      \[\leadsto z - \left(x \cdot \left(-1 + \left(-1 + -1\right)\right) + \color{blue}{\left(\left(-y\right) + \left(-y\right)\right)}\right) \]
    19. fma-define100.0%

      \[\leadsto z - \color{blue}{\mathsf{fma}\left(x, -1 + \left(-1 + -1\right), \left(-y\right) + \left(-y\right)\right)} \]
  3. Simplified100.0%

    \[\leadsto \color{blue}{z - \mathsf{fma}\left(x, -3, y \cdot -2\right)} \]
  4. Add Preprocessing
  5. Add Preprocessing

Alternative 2: 56.6% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;z \leq -4 \cdot 10^{+106}:\\ \;\;\;\;z\\ \mathbf{elif}\;z \leq -0.0068:\\ \;\;\;\;x \cdot 3\\ \mathbf{elif}\;z \leq 1.75 \cdot 10^{+92}:\\ \;\;\;\;2 \cdot \left(x + y\right)\\ \mathbf{else}:\\ \;\;\;\;z\\ \end{array} \end{array} \]
(FPCore (x y z)
 :precision binary64
 (if (<= z -4e+106)
   z
   (if (<= z -0.0068) (* x 3.0) (if (<= z 1.75e+92) (* 2.0 (+ x y)) z))))
double code(double x, double y, double z) {
	double tmp;
	if (z <= -4e+106) {
		tmp = z;
	} else if (z <= -0.0068) {
		tmp = x * 3.0;
	} else if (z <= 1.75e+92) {
		tmp = 2.0 * (x + y);
	} else {
		tmp = z;
	}
	return tmp;
}
real(8) function code(x, y, z)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8) :: tmp
    if (z <= (-4d+106)) then
        tmp = z
    else if (z <= (-0.0068d0)) then
        tmp = x * 3.0d0
    else if (z <= 1.75d+92) then
        tmp = 2.0d0 * (x + y)
    else
        tmp = z
    end if
    code = tmp
end function
public static double code(double x, double y, double z) {
	double tmp;
	if (z <= -4e+106) {
		tmp = z;
	} else if (z <= -0.0068) {
		tmp = x * 3.0;
	} else if (z <= 1.75e+92) {
		tmp = 2.0 * (x + y);
	} else {
		tmp = z;
	}
	return tmp;
}
def code(x, y, z):
	tmp = 0
	if z <= -4e+106:
		tmp = z
	elif z <= -0.0068:
		tmp = x * 3.0
	elif z <= 1.75e+92:
		tmp = 2.0 * (x + y)
	else:
		tmp = z
	return tmp
function code(x, y, z)
	tmp = 0.0
	if (z <= -4e+106)
		tmp = z;
	elseif (z <= -0.0068)
		tmp = Float64(x * 3.0);
	elseif (z <= 1.75e+92)
		tmp = Float64(2.0 * Float64(x + y));
	else
		tmp = z;
	end
	return tmp
end
function tmp_2 = code(x, y, z)
	tmp = 0.0;
	if (z <= -4e+106)
		tmp = z;
	elseif (z <= -0.0068)
		tmp = x * 3.0;
	elseif (z <= 1.75e+92)
		tmp = 2.0 * (x + y);
	else
		tmp = z;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_] := If[LessEqual[z, -4e+106], z, If[LessEqual[z, -0.0068], N[(x * 3.0), $MachinePrecision], If[LessEqual[z, 1.75e+92], N[(2.0 * N[(x + y), $MachinePrecision]), $MachinePrecision], z]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;z \leq -4 \cdot 10^{+106}:\\
\;\;\;\;z\\

\mathbf{elif}\;z \leq -0.0068:\\
\;\;\;\;x \cdot 3\\

\mathbf{elif}\;z \leq 1.75 \cdot 10^{+92}:\\
\;\;\;\;2 \cdot \left(x + y\right)\\

\mathbf{else}:\\
\;\;\;\;z\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if z < -4.00000000000000036e106 or 1.74999999999999993e92 < z

    1. Initial program 100.0%

      \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
    2. Step-by-step derivation
      1. +-commutative100.0%

        \[\leadsto \color{blue}{\left(z + \left(\left(\left(x + y\right) + y\right) + x\right)\right)} + x \]
      2. associate-+l+100.0%

        \[\leadsto \color{blue}{z + \left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)} \]
      3. remove-double-neg100.0%

        \[\leadsto z + \color{blue}{\left(-\left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)\right)} \]
      4. unsub-neg100.0%

        \[\leadsto \color{blue}{z - \left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)} \]
      5. +-commutative100.0%

        \[\leadsto z - \left(-\color{blue}{\left(x + \left(\left(\left(x + y\right) + y\right) + x\right)\right)}\right) \]
      6. +-commutative100.0%

        \[\leadsto z - \left(-\left(x + \color{blue}{\left(x + \left(\left(x + y\right) + y\right)\right)}\right)\right) \]
      7. associate-+l+100.0%

        \[\leadsto z - \left(-\left(x + \left(x + \color{blue}{\left(x + \left(y + y\right)\right)}\right)\right)\right) \]
      8. associate-+r+100.0%

        \[\leadsto z - \left(-\left(x + \color{blue}{\left(\left(x + x\right) + \left(y + y\right)\right)}\right)\right) \]
      9. associate-+r+100.0%

        \[\leadsto z - \left(-\color{blue}{\left(\left(x + \left(x + x\right)\right) + \left(y + y\right)\right)}\right) \]
      10. distribute-neg-in100.0%

        \[\leadsto z - \color{blue}{\left(\left(-\left(x + \left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right)} \]
      11. distribute-neg-out100.0%

        \[\leadsto z - \left(\color{blue}{\left(\left(-x\right) + \left(-\left(x + x\right)\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
      12. neg-mul-1100.0%

        \[\leadsto z - \left(\left(\color{blue}{-1 \cdot x} + \left(-\left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right) \]
      13. count-2100.0%

        \[\leadsto z - \left(\left(-1 \cdot x + \left(-\color{blue}{2 \cdot x}\right)\right) + \left(-\left(y + y\right)\right)\right) \]
      14. distribute-lft-neg-in100.0%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-2\right) \cdot x}\right) + \left(-\left(y + y\right)\right)\right) \]
      15. metadata-eval100.0%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{-2} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
      16. metadata-eval100.0%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-1 + -1\right)} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
      17. distribute-rgt-out100.0%

        \[\leadsto z - \left(\color{blue}{x \cdot \left(-1 + \left(-1 + -1\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
      18. distribute-neg-out100.0%

        \[\leadsto z - \left(x \cdot \left(-1 + \left(-1 + -1\right)\right) + \color{blue}{\left(\left(-y\right) + \left(-y\right)\right)}\right) \]
      19. fma-define99.9%

        \[\leadsto z - \color{blue}{\mathsf{fma}\left(x, -1 + \left(-1 + -1\right), \left(-y\right) + \left(-y\right)\right)} \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{z - \mathsf{fma}\left(x, -3, y \cdot -2\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around 0 85.3%

      \[\leadsto z - \color{blue}{-2 \cdot y} \]
    6. Taylor expanded in z around inf 70.4%

      \[\leadsto \color{blue}{z} \]

    if -4.00000000000000036e106 < z < -0.00679999999999999962

    1. Initial program 99.9%

      \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
    2. Step-by-step derivation
      1. associate-+l+99.9%

        \[\leadsto \color{blue}{\left(\left(\left(x + y\right) + y\right) + x\right) + \left(z + x\right)} \]
      2. associate-+l+99.9%

        \[\leadsto \color{blue}{\left(\left(x + y\right) + \left(y + x\right)\right)} + \left(z + x\right) \]
      3. +-commutative99.9%

        \[\leadsto \left(\color{blue}{\left(y + x\right)} + \left(y + x\right)\right) + \left(z + x\right) \]
      4. count-299.9%

        \[\leadsto \color{blue}{2 \cdot \left(y + x\right)} + \left(z + x\right) \]
      5. +-commutative99.9%

        \[\leadsto 2 \cdot \color{blue}{\left(x + y\right)} + \left(z + x\right) \]
      6. +-commutative99.9%

        \[\leadsto 2 \cdot \left(x + y\right) + \color{blue}{\left(x + z\right)} \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{2 \cdot \left(x + y\right) + \left(x + z\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around inf 57.4%

      \[\leadsto \color{blue}{3 \cdot x} \]

    if -0.00679999999999999962 < z < 1.74999999999999993e92

    1. Initial program 99.9%

      \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
    2. Step-by-step derivation
      1. associate-+l+99.9%

        \[\leadsto \color{blue}{\left(\left(\left(x + y\right) + y\right) + x\right) + \left(z + x\right)} \]
      2. associate-+l+99.9%

        \[\leadsto \color{blue}{\left(\left(x + y\right) + \left(y + x\right)\right)} + \left(z + x\right) \]
      3. +-commutative99.9%

        \[\leadsto \left(\color{blue}{\left(y + x\right)} + \left(y + x\right)\right) + \left(z + x\right) \]
      4. count-299.9%

        \[\leadsto \color{blue}{2 \cdot \left(y + x\right)} + \left(z + x\right) \]
      5. +-commutative99.9%

        \[\leadsto 2 \cdot \color{blue}{\left(x + y\right)} + \left(z + x\right) \]
      6. +-commutative99.9%

        \[\leadsto 2 \cdot \left(x + y\right) + \color{blue}{\left(x + z\right)} \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{2 \cdot \left(x + y\right) + \left(x + z\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around 0 71.9%

      \[\leadsto 2 \cdot \left(x + y\right) + \color{blue}{z} \]
    6. Taylor expanded in z around 0 61.4%

      \[\leadsto \color{blue}{2 \cdot \left(x + y\right)} \]
    7. Step-by-step derivation
      1. +-commutative61.4%

        \[\leadsto 2 \cdot \color{blue}{\left(y + x\right)} \]
    8. Simplified61.4%

      \[\leadsto \color{blue}{2 \cdot \left(y + x\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification63.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;z \leq -4 \cdot 10^{+106}:\\ \;\;\;\;z\\ \mathbf{elif}\;z \leq -0.0068:\\ \;\;\;\;x \cdot 3\\ \mathbf{elif}\;z \leq 1.75 \cdot 10^{+92}:\\ \;\;\;\;2 \cdot \left(x + y\right)\\ \mathbf{else}:\\ \;\;\;\;z\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 52.4% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;z \leq -4.1 \cdot 10^{+105}:\\ \;\;\;\;z\\ \mathbf{elif}\;z \leq -0.0285:\\ \;\;\;\;x \cdot 3\\ \mathbf{elif}\;z \leq 8.6 \cdot 10^{+89}:\\ \;\;\;\;y \cdot 2\\ \mathbf{else}:\\ \;\;\;\;z\\ \end{array} \end{array} \]
(FPCore (x y z)
 :precision binary64
 (if (<= z -4.1e+105)
   z
   (if (<= z -0.0285) (* x 3.0) (if (<= z 8.6e+89) (* y 2.0) z))))
double code(double x, double y, double z) {
	double tmp;
	if (z <= -4.1e+105) {
		tmp = z;
	} else if (z <= -0.0285) {
		tmp = x * 3.0;
	} else if (z <= 8.6e+89) {
		tmp = y * 2.0;
	} else {
		tmp = z;
	}
	return tmp;
}
real(8) function code(x, y, z)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8) :: tmp
    if (z <= (-4.1d+105)) then
        tmp = z
    else if (z <= (-0.0285d0)) then
        tmp = x * 3.0d0
    else if (z <= 8.6d+89) then
        tmp = y * 2.0d0
    else
        tmp = z
    end if
    code = tmp
end function
public static double code(double x, double y, double z) {
	double tmp;
	if (z <= -4.1e+105) {
		tmp = z;
	} else if (z <= -0.0285) {
		tmp = x * 3.0;
	} else if (z <= 8.6e+89) {
		tmp = y * 2.0;
	} else {
		tmp = z;
	}
	return tmp;
}
def code(x, y, z):
	tmp = 0
	if z <= -4.1e+105:
		tmp = z
	elif z <= -0.0285:
		tmp = x * 3.0
	elif z <= 8.6e+89:
		tmp = y * 2.0
	else:
		tmp = z
	return tmp
function code(x, y, z)
	tmp = 0.0
	if (z <= -4.1e+105)
		tmp = z;
	elseif (z <= -0.0285)
		tmp = Float64(x * 3.0);
	elseif (z <= 8.6e+89)
		tmp = Float64(y * 2.0);
	else
		tmp = z;
	end
	return tmp
end
function tmp_2 = code(x, y, z)
	tmp = 0.0;
	if (z <= -4.1e+105)
		tmp = z;
	elseif (z <= -0.0285)
		tmp = x * 3.0;
	elseif (z <= 8.6e+89)
		tmp = y * 2.0;
	else
		tmp = z;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_] := If[LessEqual[z, -4.1e+105], z, If[LessEqual[z, -0.0285], N[(x * 3.0), $MachinePrecision], If[LessEqual[z, 8.6e+89], N[(y * 2.0), $MachinePrecision], z]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;z \leq -4.1 \cdot 10^{+105}:\\
\;\;\;\;z\\

\mathbf{elif}\;z \leq -0.0285:\\
\;\;\;\;x \cdot 3\\

\mathbf{elif}\;z \leq 8.6 \cdot 10^{+89}:\\
\;\;\;\;y \cdot 2\\

\mathbf{else}:\\
\;\;\;\;z\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if z < -4.1000000000000002e105 or 8.6000000000000003e89 < z

    1. Initial program 100.0%

      \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
    2. Step-by-step derivation
      1. +-commutative100.0%

        \[\leadsto \color{blue}{\left(z + \left(\left(\left(x + y\right) + y\right) + x\right)\right)} + x \]
      2. associate-+l+100.0%

        \[\leadsto \color{blue}{z + \left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)} \]
      3. remove-double-neg100.0%

        \[\leadsto z + \color{blue}{\left(-\left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)\right)} \]
      4. unsub-neg100.0%

        \[\leadsto \color{blue}{z - \left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)} \]
      5. +-commutative100.0%

        \[\leadsto z - \left(-\color{blue}{\left(x + \left(\left(\left(x + y\right) + y\right) + x\right)\right)}\right) \]
      6. +-commutative100.0%

        \[\leadsto z - \left(-\left(x + \color{blue}{\left(x + \left(\left(x + y\right) + y\right)\right)}\right)\right) \]
      7. associate-+l+100.0%

        \[\leadsto z - \left(-\left(x + \left(x + \color{blue}{\left(x + \left(y + y\right)\right)}\right)\right)\right) \]
      8. associate-+r+100.0%

        \[\leadsto z - \left(-\left(x + \color{blue}{\left(\left(x + x\right) + \left(y + y\right)\right)}\right)\right) \]
      9. associate-+r+100.0%

        \[\leadsto z - \left(-\color{blue}{\left(\left(x + \left(x + x\right)\right) + \left(y + y\right)\right)}\right) \]
      10. distribute-neg-in100.0%

        \[\leadsto z - \color{blue}{\left(\left(-\left(x + \left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right)} \]
      11. distribute-neg-out100.0%

        \[\leadsto z - \left(\color{blue}{\left(\left(-x\right) + \left(-\left(x + x\right)\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
      12. neg-mul-1100.0%

        \[\leadsto z - \left(\left(\color{blue}{-1 \cdot x} + \left(-\left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right) \]
      13. count-2100.0%

        \[\leadsto z - \left(\left(-1 \cdot x + \left(-\color{blue}{2 \cdot x}\right)\right) + \left(-\left(y + y\right)\right)\right) \]
      14. distribute-lft-neg-in100.0%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-2\right) \cdot x}\right) + \left(-\left(y + y\right)\right)\right) \]
      15. metadata-eval100.0%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{-2} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
      16. metadata-eval100.0%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-1 + -1\right)} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
      17. distribute-rgt-out100.0%

        \[\leadsto z - \left(\color{blue}{x \cdot \left(-1 + \left(-1 + -1\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
      18. distribute-neg-out100.0%

        \[\leadsto z - \left(x \cdot \left(-1 + \left(-1 + -1\right)\right) + \color{blue}{\left(\left(-y\right) + \left(-y\right)\right)}\right) \]
      19. fma-define99.9%

        \[\leadsto z - \color{blue}{\mathsf{fma}\left(x, -1 + \left(-1 + -1\right), \left(-y\right) + \left(-y\right)\right)} \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{z - \mathsf{fma}\left(x, -3, y \cdot -2\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around 0 85.3%

      \[\leadsto z - \color{blue}{-2 \cdot y} \]
    6. Taylor expanded in z around inf 70.4%

      \[\leadsto \color{blue}{z} \]

    if -4.1000000000000002e105 < z < -0.028500000000000001

    1. Initial program 99.9%

      \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
    2. Step-by-step derivation
      1. associate-+l+99.9%

        \[\leadsto \color{blue}{\left(\left(\left(x + y\right) + y\right) + x\right) + \left(z + x\right)} \]
      2. associate-+l+99.9%

        \[\leadsto \color{blue}{\left(\left(x + y\right) + \left(y + x\right)\right)} + \left(z + x\right) \]
      3. +-commutative99.9%

        \[\leadsto \left(\color{blue}{\left(y + x\right)} + \left(y + x\right)\right) + \left(z + x\right) \]
      4. count-299.9%

        \[\leadsto \color{blue}{2 \cdot \left(y + x\right)} + \left(z + x\right) \]
      5. +-commutative99.9%

        \[\leadsto 2 \cdot \color{blue}{\left(x + y\right)} + \left(z + x\right) \]
      6. +-commutative99.9%

        \[\leadsto 2 \cdot \left(x + y\right) + \color{blue}{\left(x + z\right)} \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{2 \cdot \left(x + y\right) + \left(x + z\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around inf 57.4%

      \[\leadsto \color{blue}{3 \cdot x} \]

    if -0.028500000000000001 < z < 8.6000000000000003e89

    1. Initial program 99.9%

      \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
    2. Step-by-step derivation
      1. +-commutative99.9%

        \[\leadsto \color{blue}{\left(z + \left(\left(\left(x + y\right) + y\right) + x\right)\right)} + x \]
      2. associate-+l+99.9%

        \[\leadsto \color{blue}{z + \left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)} \]
      3. remove-double-neg99.9%

        \[\leadsto z + \color{blue}{\left(-\left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)\right)} \]
      4. unsub-neg99.9%

        \[\leadsto \color{blue}{z - \left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)} \]
      5. +-commutative99.9%

        \[\leadsto z - \left(-\color{blue}{\left(x + \left(\left(\left(x + y\right) + y\right) + x\right)\right)}\right) \]
      6. +-commutative99.9%

        \[\leadsto z - \left(-\left(x + \color{blue}{\left(x + \left(\left(x + y\right) + y\right)\right)}\right)\right) \]
      7. associate-+l+99.9%

        \[\leadsto z - \left(-\left(x + \left(x + \color{blue}{\left(x + \left(y + y\right)\right)}\right)\right)\right) \]
      8. associate-+r+99.9%

        \[\leadsto z - \left(-\left(x + \color{blue}{\left(\left(x + x\right) + \left(y + y\right)\right)}\right)\right) \]
      9. associate-+r+99.9%

        \[\leadsto z - \left(-\color{blue}{\left(\left(x + \left(x + x\right)\right) + \left(y + y\right)\right)}\right) \]
      10. distribute-neg-in99.9%

        \[\leadsto z - \color{blue}{\left(\left(-\left(x + \left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right)} \]
      11. distribute-neg-out99.9%

        \[\leadsto z - \left(\color{blue}{\left(\left(-x\right) + \left(-\left(x + x\right)\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
      12. neg-mul-199.9%

        \[\leadsto z - \left(\left(\color{blue}{-1 \cdot x} + \left(-\left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right) \]
      13. count-299.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \left(-\color{blue}{2 \cdot x}\right)\right) + \left(-\left(y + y\right)\right)\right) \]
      14. distribute-lft-neg-in99.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-2\right) \cdot x}\right) + \left(-\left(y + y\right)\right)\right) \]
      15. metadata-eval99.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{-2} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
      16. metadata-eval99.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-1 + -1\right)} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
      17. distribute-rgt-out99.9%

        \[\leadsto z - \left(\color{blue}{x \cdot \left(-1 + \left(-1 + -1\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
      18. distribute-neg-out99.9%

        \[\leadsto z - \left(x \cdot \left(-1 + \left(-1 + -1\right)\right) + \color{blue}{\left(\left(-y\right) + \left(-y\right)\right)}\right) \]
      19. fma-define100.0%

        \[\leadsto z - \color{blue}{\mathsf{fma}\left(x, -1 + \left(-1 + -1\right), \left(-y\right) + \left(-y\right)\right)} \]
    3. Simplified100.0%

      \[\leadsto \color{blue}{z - \mathsf{fma}\left(x, -3, y \cdot -2\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around 0 66.4%

      \[\leadsto z - \color{blue}{-2 \cdot y} \]
    6. Taylor expanded in z around 0 55.7%

      \[\leadsto \color{blue}{2 \cdot y} \]
    7. Step-by-step derivation
      1. *-commutative55.7%

        \[\leadsto \color{blue}{y \cdot 2} \]
    8. Simplified55.7%

      \[\leadsto \color{blue}{y \cdot 2} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification60.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;z \leq -4.1 \cdot 10^{+105}:\\ \;\;\;\;z\\ \mathbf{elif}\;z \leq -0.0285:\\ \;\;\;\;x \cdot 3\\ \mathbf{elif}\;z \leq 8.6 \cdot 10^{+89}:\\ \;\;\;\;y \cdot 2\\ \mathbf{else}:\\ \;\;\;\;z\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 85.7% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq -1.85 \cdot 10^{+21} \lor \neg \left(x \leq 4.8 \cdot 10^{+47}\right):\\ \;\;\;\;z - x \cdot -3\\ \mathbf{else}:\\ \;\;\;\;z + 2 \cdot \left(x + y\right)\\ \end{array} \end{array} \]
(FPCore (x y z)
 :precision binary64
 (if (or (<= x -1.85e+21) (not (<= x 4.8e+47)))
   (- z (* x -3.0))
   (+ z (* 2.0 (+ x y)))))
double code(double x, double y, double z) {
	double tmp;
	if ((x <= -1.85e+21) || !(x <= 4.8e+47)) {
		tmp = z - (x * -3.0);
	} else {
		tmp = z + (2.0 * (x + y));
	}
	return tmp;
}
real(8) function code(x, y, z)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8) :: tmp
    if ((x <= (-1.85d+21)) .or. (.not. (x <= 4.8d+47))) then
        tmp = z - (x * (-3.0d0))
    else
        tmp = z + (2.0d0 * (x + y))
    end if
    code = tmp
end function
public static double code(double x, double y, double z) {
	double tmp;
	if ((x <= -1.85e+21) || !(x <= 4.8e+47)) {
		tmp = z - (x * -3.0);
	} else {
		tmp = z + (2.0 * (x + y));
	}
	return tmp;
}
def code(x, y, z):
	tmp = 0
	if (x <= -1.85e+21) or not (x <= 4.8e+47):
		tmp = z - (x * -3.0)
	else:
		tmp = z + (2.0 * (x + y))
	return tmp
function code(x, y, z)
	tmp = 0.0
	if ((x <= -1.85e+21) || !(x <= 4.8e+47))
		tmp = Float64(z - Float64(x * -3.0));
	else
		tmp = Float64(z + Float64(2.0 * Float64(x + y)));
	end
	return tmp
end
function tmp_2 = code(x, y, z)
	tmp = 0.0;
	if ((x <= -1.85e+21) || ~((x <= 4.8e+47)))
		tmp = z - (x * -3.0);
	else
		tmp = z + (2.0 * (x + y));
	end
	tmp_2 = tmp;
end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.85e+21], N[Not[LessEqual[x, 4.8e+47]], $MachinePrecision]], N[(z - N[(x * -3.0), $MachinePrecision]), $MachinePrecision], N[(z + N[(2.0 * N[(x + y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.85 \cdot 10^{+21} \lor \neg \left(x \leq 4.8 \cdot 10^{+47}\right):\\
\;\;\;\;z - x \cdot -3\\

\mathbf{else}:\\
\;\;\;\;z + 2 \cdot \left(x + y\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if x < -1.85e21 or 4.80000000000000037e47 < x

    1. Initial program 99.9%

      \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
    2. Step-by-step derivation
      1. +-commutative99.9%

        \[\leadsto \color{blue}{\left(z + \left(\left(\left(x + y\right) + y\right) + x\right)\right)} + x \]
      2. associate-+l+99.9%

        \[\leadsto \color{blue}{z + \left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)} \]
      3. remove-double-neg99.9%

        \[\leadsto z + \color{blue}{\left(-\left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)\right)} \]
      4. unsub-neg99.9%

        \[\leadsto \color{blue}{z - \left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)} \]
      5. +-commutative99.9%

        \[\leadsto z - \left(-\color{blue}{\left(x + \left(\left(\left(x + y\right) + y\right) + x\right)\right)}\right) \]
      6. +-commutative99.9%

        \[\leadsto z - \left(-\left(x + \color{blue}{\left(x + \left(\left(x + y\right) + y\right)\right)}\right)\right) \]
      7. associate-+l+99.9%

        \[\leadsto z - \left(-\left(x + \left(x + \color{blue}{\left(x + \left(y + y\right)\right)}\right)\right)\right) \]
      8. associate-+r+99.9%

        \[\leadsto z - \left(-\left(x + \color{blue}{\left(\left(x + x\right) + \left(y + y\right)\right)}\right)\right) \]
      9. associate-+r+99.9%

        \[\leadsto z - \left(-\color{blue}{\left(\left(x + \left(x + x\right)\right) + \left(y + y\right)\right)}\right) \]
      10. distribute-neg-in99.9%

        \[\leadsto z - \color{blue}{\left(\left(-\left(x + \left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right)} \]
      11. distribute-neg-out99.9%

        \[\leadsto z - \left(\color{blue}{\left(\left(-x\right) + \left(-\left(x + x\right)\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
      12. neg-mul-199.9%

        \[\leadsto z - \left(\left(\color{blue}{-1 \cdot x} + \left(-\left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right) \]
      13. count-299.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \left(-\color{blue}{2 \cdot x}\right)\right) + \left(-\left(y + y\right)\right)\right) \]
      14. distribute-lft-neg-in99.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-2\right) \cdot x}\right) + \left(-\left(y + y\right)\right)\right) \]
      15. metadata-eval99.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{-2} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
      16. metadata-eval99.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-1 + -1\right)} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
      17. distribute-rgt-out99.9%

        \[\leadsto z - \left(\color{blue}{x \cdot \left(-1 + \left(-1 + -1\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
      18. distribute-neg-out99.9%

        \[\leadsto z - \left(x \cdot \left(-1 + \left(-1 + -1\right)\right) + \color{blue}{\left(\left(-y\right) + \left(-y\right)\right)}\right) \]
      19. fma-define99.9%

        \[\leadsto z - \color{blue}{\mathsf{fma}\left(x, -1 + \left(-1 + -1\right), \left(-y\right) + \left(-y\right)\right)} \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{z - \mathsf{fma}\left(x, -3, y \cdot -2\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around inf 83.5%

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

    if -1.85e21 < x < 4.80000000000000037e47

    1. Initial program 100.0%

      \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
    2. Step-by-step derivation
      1. associate-+l+100.0%

        \[\leadsto \color{blue}{\left(\left(\left(x + y\right) + y\right) + x\right) + \left(z + x\right)} \]
      2. associate-+l+100.0%

        \[\leadsto \color{blue}{\left(\left(x + y\right) + \left(y + x\right)\right)} + \left(z + x\right) \]
      3. +-commutative100.0%

        \[\leadsto \left(\color{blue}{\left(y + x\right)} + \left(y + x\right)\right) + \left(z + x\right) \]
      4. count-2100.0%

        \[\leadsto \color{blue}{2 \cdot \left(y + x\right)} + \left(z + x\right) \]
      5. +-commutative100.0%

        \[\leadsto 2 \cdot \color{blue}{\left(x + y\right)} + \left(z + x\right) \]
      6. +-commutative100.0%

        \[\leadsto 2 \cdot \left(x + y\right) + \color{blue}{\left(x + z\right)} \]
    3. Simplified100.0%

      \[\leadsto \color{blue}{2 \cdot \left(x + y\right) + \left(x + z\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around 0 94.7%

      \[\leadsto 2 \cdot \left(x + y\right) + \color{blue}{z} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification89.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq -1.85 \cdot 10^{+21} \lor \neg \left(x \leq 4.8 \cdot 10^{+47}\right):\\ \;\;\;\;z - x \cdot -3\\ \mathbf{else}:\\ \;\;\;\;z + 2 \cdot \left(x + y\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 85.7% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq -7.2 \cdot 10^{+20}:\\ \;\;\;\;x + \left(z + x \cdot 2\right)\\ \mathbf{elif}\;x \leq 3 \cdot 10^{+49}:\\ \;\;\;\;z + 2 \cdot \left(x + y\right)\\ \mathbf{else}:\\ \;\;\;\;z - x \cdot -3\\ \end{array} \end{array} \]
(FPCore (x y z)
 :precision binary64
 (if (<= x -7.2e+20)
   (+ x (+ z (* x 2.0)))
   (if (<= x 3e+49) (+ z (* 2.0 (+ x y))) (- z (* x -3.0)))))
double code(double x, double y, double z) {
	double tmp;
	if (x <= -7.2e+20) {
		tmp = x + (z + (x * 2.0));
	} else if (x <= 3e+49) {
		tmp = z + (2.0 * (x + y));
	} else {
		tmp = z - (x * -3.0);
	}
	return tmp;
}
real(8) function code(x, y, z)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8) :: tmp
    if (x <= (-7.2d+20)) then
        tmp = x + (z + (x * 2.0d0))
    else if (x <= 3d+49) then
        tmp = z + (2.0d0 * (x + y))
    else
        tmp = z - (x * (-3.0d0))
    end if
    code = tmp
end function
public static double code(double x, double y, double z) {
	double tmp;
	if (x <= -7.2e+20) {
		tmp = x + (z + (x * 2.0));
	} else if (x <= 3e+49) {
		tmp = z + (2.0 * (x + y));
	} else {
		tmp = z - (x * -3.0);
	}
	return tmp;
}
def code(x, y, z):
	tmp = 0
	if x <= -7.2e+20:
		tmp = x + (z + (x * 2.0))
	elif x <= 3e+49:
		tmp = z + (2.0 * (x + y))
	else:
		tmp = z - (x * -3.0)
	return tmp
function code(x, y, z)
	tmp = 0.0
	if (x <= -7.2e+20)
		tmp = Float64(x + Float64(z + Float64(x * 2.0)));
	elseif (x <= 3e+49)
		tmp = Float64(z + Float64(2.0 * Float64(x + y)));
	else
		tmp = Float64(z - Float64(x * -3.0));
	end
	return tmp
end
function tmp_2 = code(x, y, z)
	tmp = 0.0;
	if (x <= -7.2e+20)
		tmp = x + (z + (x * 2.0));
	elseif (x <= 3e+49)
		tmp = z + (2.0 * (x + y));
	else
		tmp = z - (x * -3.0);
	end
	tmp_2 = tmp;
end
code[x_, y_, z_] := If[LessEqual[x, -7.2e+20], N[(x + N[(z + N[(x * 2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[x, 3e+49], N[(z + N[(2.0 * N[(x + y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(z - N[(x * -3.0), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;x \leq -7.2 \cdot 10^{+20}:\\
\;\;\;\;x + \left(z + x \cdot 2\right)\\

\mathbf{elif}\;x \leq 3 \cdot 10^{+49}:\\
\;\;\;\;z + 2 \cdot \left(x + y\right)\\

\mathbf{else}:\\
\;\;\;\;z - x \cdot -3\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if x < -7.2e20

    1. Initial program 99.8%

      \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
    2. Add Preprocessing
    3. Taylor expanded in y around 0 83.8%

      \[\leadsto \color{blue}{\left(z + 2 \cdot x\right)} + x \]

    if -7.2e20 < x < 3.0000000000000002e49

    1. Initial program 100.0%

      \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
    2. Step-by-step derivation
      1. associate-+l+100.0%

        \[\leadsto \color{blue}{\left(\left(\left(x + y\right) + y\right) + x\right) + \left(z + x\right)} \]
      2. associate-+l+100.0%

        \[\leadsto \color{blue}{\left(\left(x + y\right) + \left(y + x\right)\right)} + \left(z + x\right) \]
      3. +-commutative100.0%

        \[\leadsto \left(\color{blue}{\left(y + x\right)} + \left(y + x\right)\right) + \left(z + x\right) \]
      4. count-2100.0%

        \[\leadsto \color{blue}{2 \cdot \left(y + x\right)} + \left(z + x\right) \]
      5. +-commutative100.0%

        \[\leadsto 2 \cdot \color{blue}{\left(x + y\right)} + \left(z + x\right) \]
      6. +-commutative100.0%

        \[\leadsto 2 \cdot \left(x + y\right) + \color{blue}{\left(x + z\right)} \]
    3. Simplified100.0%

      \[\leadsto \color{blue}{2 \cdot \left(x + y\right) + \left(x + z\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around 0 94.7%

      \[\leadsto 2 \cdot \left(x + y\right) + \color{blue}{z} \]

    if 3.0000000000000002e49 < x

    1. Initial program 99.9%

      \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
    2. Step-by-step derivation
      1. +-commutative99.9%

        \[\leadsto \color{blue}{\left(z + \left(\left(\left(x + y\right) + y\right) + x\right)\right)} + x \]
      2. associate-+l+99.9%

        \[\leadsto \color{blue}{z + \left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)} \]
      3. remove-double-neg99.9%

        \[\leadsto z + \color{blue}{\left(-\left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)\right)} \]
      4. unsub-neg99.9%

        \[\leadsto \color{blue}{z - \left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)} \]
      5. +-commutative99.9%

        \[\leadsto z - \left(-\color{blue}{\left(x + \left(\left(\left(x + y\right) + y\right) + x\right)\right)}\right) \]
      6. +-commutative99.9%

        \[\leadsto z - \left(-\left(x + \color{blue}{\left(x + \left(\left(x + y\right) + y\right)\right)}\right)\right) \]
      7. associate-+l+99.9%

        \[\leadsto z - \left(-\left(x + \left(x + \color{blue}{\left(x + \left(y + y\right)\right)}\right)\right)\right) \]
      8. associate-+r+99.9%

        \[\leadsto z - \left(-\left(x + \color{blue}{\left(\left(x + x\right) + \left(y + y\right)\right)}\right)\right) \]
      9. associate-+r+99.9%

        \[\leadsto z - \left(-\color{blue}{\left(\left(x + \left(x + x\right)\right) + \left(y + y\right)\right)}\right) \]
      10. distribute-neg-in99.9%

        \[\leadsto z - \color{blue}{\left(\left(-\left(x + \left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right)} \]
      11. distribute-neg-out99.9%

        \[\leadsto z - \left(\color{blue}{\left(\left(-x\right) + \left(-\left(x + x\right)\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
      12. neg-mul-199.9%

        \[\leadsto z - \left(\left(\color{blue}{-1 \cdot x} + \left(-\left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right) \]
      13. count-299.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \left(-\color{blue}{2 \cdot x}\right)\right) + \left(-\left(y + y\right)\right)\right) \]
      14. distribute-lft-neg-in99.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-2\right) \cdot x}\right) + \left(-\left(y + y\right)\right)\right) \]
      15. metadata-eval99.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{-2} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
      16. metadata-eval99.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-1 + -1\right)} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
      17. distribute-rgt-out99.9%

        \[\leadsto z - \left(\color{blue}{x \cdot \left(-1 + \left(-1 + -1\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
      18. distribute-neg-out99.9%

        \[\leadsto z - \left(x \cdot \left(-1 + \left(-1 + -1\right)\right) + \color{blue}{\left(\left(-y\right) + \left(-y\right)\right)}\right) \]
      19. fma-define99.9%

        \[\leadsto z - \color{blue}{\mathsf{fma}\left(x, -1 + \left(-1 + -1\right), \left(-y\right) + \left(-y\right)\right)} \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{z - \mathsf{fma}\left(x, -3, y \cdot -2\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around inf 83.3%

      \[\leadsto z - \color{blue}{-3 \cdot x} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification90.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq -7.2 \cdot 10^{+20}:\\ \;\;\;\;x + \left(z + x \cdot 2\right)\\ \mathbf{elif}\;x \leq 3 \cdot 10^{+49}:\\ \;\;\;\;z + 2 \cdot \left(x + y\right)\\ \mathbf{else}:\\ \;\;\;\;z - x \cdot -3\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 84.8% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq -7.2 \cdot 10^{+20} \lor \neg \left(x \leq 9.5 \cdot 10^{+48}\right):\\ \;\;\;\;z - x \cdot -3\\ \mathbf{else}:\\ \;\;\;\;z - y \cdot -2\\ \end{array} \end{array} \]
(FPCore (x y z)
 :precision binary64
 (if (or (<= x -7.2e+20) (not (<= x 9.5e+48)))
   (- z (* x -3.0))
   (- z (* y -2.0))))
double code(double x, double y, double z) {
	double tmp;
	if ((x <= -7.2e+20) || !(x <= 9.5e+48)) {
		tmp = z - (x * -3.0);
	} else {
		tmp = z - (y * -2.0);
	}
	return tmp;
}
real(8) function code(x, y, z)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8) :: tmp
    if ((x <= (-7.2d+20)) .or. (.not. (x <= 9.5d+48))) then
        tmp = z - (x * (-3.0d0))
    else
        tmp = z - (y * (-2.0d0))
    end if
    code = tmp
end function
public static double code(double x, double y, double z) {
	double tmp;
	if ((x <= -7.2e+20) || !(x <= 9.5e+48)) {
		tmp = z - (x * -3.0);
	} else {
		tmp = z - (y * -2.0);
	}
	return tmp;
}
def code(x, y, z):
	tmp = 0
	if (x <= -7.2e+20) or not (x <= 9.5e+48):
		tmp = z - (x * -3.0)
	else:
		tmp = z - (y * -2.0)
	return tmp
function code(x, y, z)
	tmp = 0.0
	if ((x <= -7.2e+20) || !(x <= 9.5e+48))
		tmp = Float64(z - Float64(x * -3.0));
	else
		tmp = Float64(z - Float64(y * -2.0));
	end
	return tmp
end
function tmp_2 = code(x, y, z)
	tmp = 0.0;
	if ((x <= -7.2e+20) || ~((x <= 9.5e+48)))
		tmp = z - (x * -3.0);
	else
		tmp = z - (y * -2.0);
	end
	tmp_2 = tmp;
end
code[x_, y_, z_] := If[Or[LessEqual[x, -7.2e+20], N[Not[LessEqual[x, 9.5e+48]], $MachinePrecision]], N[(z - N[(x * -3.0), $MachinePrecision]), $MachinePrecision], N[(z - N[(y * -2.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;x \leq -7.2 \cdot 10^{+20} \lor \neg \left(x \leq 9.5 \cdot 10^{+48}\right):\\
\;\;\;\;z - x \cdot -3\\

\mathbf{else}:\\
\;\;\;\;z - y \cdot -2\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if x < -7.2e20 or 9.4999999999999997e48 < x

    1. Initial program 99.9%

      \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
    2. Step-by-step derivation
      1. +-commutative99.9%

        \[\leadsto \color{blue}{\left(z + \left(\left(\left(x + y\right) + y\right) + x\right)\right)} + x \]
      2. associate-+l+99.9%

        \[\leadsto \color{blue}{z + \left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)} \]
      3. remove-double-neg99.9%

        \[\leadsto z + \color{blue}{\left(-\left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)\right)} \]
      4. unsub-neg99.9%

        \[\leadsto \color{blue}{z - \left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)} \]
      5. +-commutative99.9%

        \[\leadsto z - \left(-\color{blue}{\left(x + \left(\left(\left(x + y\right) + y\right) + x\right)\right)}\right) \]
      6. +-commutative99.9%

        \[\leadsto z - \left(-\left(x + \color{blue}{\left(x + \left(\left(x + y\right) + y\right)\right)}\right)\right) \]
      7. associate-+l+99.9%

        \[\leadsto z - \left(-\left(x + \left(x + \color{blue}{\left(x + \left(y + y\right)\right)}\right)\right)\right) \]
      8. associate-+r+99.9%

        \[\leadsto z - \left(-\left(x + \color{blue}{\left(\left(x + x\right) + \left(y + y\right)\right)}\right)\right) \]
      9. associate-+r+99.9%

        \[\leadsto z - \left(-\color{blue}{\left(\left(x + \left(x + x\right)\right) + \left(y + y\right)\right)}\right) \]
      10. distribute-neg-in99.9%

        \[\leadsto z - \color{blue}{\left(\left(-\left(x + \left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right)} \]
      11. distribute-neg-out99.9%

        \[\leadsto z - \left(\color{blue}{\left(\left(-x\right) + \left(-\left(x + x\right)\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
      12. neg-mul-199.9%

        \[\leadsto z - \left(\left(\color{blue}{-1 \cdot x} + \left(-\left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right) \]
      13. count-299.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \left(-\color{blue}{2 \cdot x}\right)\right) + \left(-\left(y + y\right)\right)\right) \]
      14. distribute-lft-neg-in99.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-2\right) \cdot x}\right) + \left(-\left(y + y\right)\right)\right) \]
      15. metadata-eval99.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{-2} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
      16. metadata-eval99.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-1 + -1\right)} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
      17. distribute-rgt-out99.9%

        \[\leadsto z - \left(\color{blue}{x \cdot \left(-1 + \left(-1 + -1\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
      18. distribute-neg-out99.9%

        \[\leadsto z - \left(x \cdot \left(-1 + \left(-1 + -1\right)\right) + \color{blue}{\left(\left(-y\right) + \left(-y\right)\right)}\right) \]
      19. fma-define99.9%

        \[\leadsto z - \color{blue}{\mathsf{fma}\left(x, -1 + \left(-1 + -1\right), \left(-y\right) + \left(-y\right)\right)} \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{z - \mathsf{fma}\left(x, -3, y \cdot -2\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around inf 83.5%

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

    if -7.2e20 < x < 9.4999999999999997e48

    1. Initial program 100.0%

      \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
    2. Step-by-step derivation
      1. +-commutative100.0%

        \[\leadsto \color{blue}{\left(z + \left(\left(\left(x + y\right) + y\right) + x\right)\right)} + x \]
      2. associate-+l+100.0%

        \[\leadsto \color{blue}{z + \left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)} \]
      3. remove-double-neg100.0%

        \[\leadsto z + \color{blue}{\left(-\left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)\right)} \]
      4. unsub-neg100.0%

        \[\leadsto \color{blue}{z - \left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)} \]
      5. +-commutative100.0%

        \[\leadsto z - \left(-\color{blue}{\left(x + \left(\left(\left(x + y\right) + y\right) + x\right)\right)}\right) \]
      6. +-commutative100.0%

        \[\leadsto z - \left(-\left(x + \color{blue}{\left(x + \left(\left(x + y\right) + y\right)\right)}\right)\right) \]
      7. associate-+l+100.0%

        \[\leadsto z - \left(-\left(x + \left(x + \color{blue}{\left(x + \left(y + y\right)\right)}\right)\right)\right) \]
      8. associate-+r+100.0%

        \[\leadsto z - \left(-\left(x + \color{blue}{\left(\left(x + x\right) + \left(y + y\right)\right)}\right)\right) \]
      9. associate-+r+100.0%

        \[\leadsto z - \left(-\color{blue}{\left(\left(x + \left(x + x\right)\right) + \left(y + y\right)\right)}\right) \]
      10. distribute-neg-in100.0%

        \[\leadsto z - \color{blue}{\left(\left(-\left(x + \left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right)} \]
      11. distribute-neg-out100.0%

        \[\leadsto z - \left(\color{blue}{\left(\left(-x\right) + \left(-\left(x + x\right)\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
      12. neg-mul-1100.0%

        \[\leadsto z - \left(\left(\color{blue}{-1 \cdot x} + \left(-\left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right) \]
      13. count-2100.0%

        \[\leadsto z - \left(\left(-1 \cdot x + \left(-\color{blue}{2 \cdot x}\right)\right) + \left(-\left(y + y\right)\right)\right) \]
      14. distribute-lft-neg-in100.0%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-2\right) \cdot x}\right) + \left(-\left(y + y\right)\right)\right) \]
      15. metadata-eval100.0%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{-2} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
      16. metadata-eval100.0%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-1 + -1\right)} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
      17. distribute-rgt-out100.0%

        \[\leadsto z - \left(\color{blue}{x \cdot \left(-1 + \left(-1 + -1\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
      18. distribute-neg-out100.0%

        \[\leadsto z - \left(x \cdot \left(-1 + \left(-1 + -1\right)\right) + \color{blue}{\left(\left(-y\right) + \left(-y\right)\right)}\right) \]
      19. fma-define100.0%

        \[\leadsto z - \color{blue}{\mathsf{fma}\left(x, -1 + \left(-1 + -1\right), \left(-y\right) + \left(-y\right)\right)} \]
    3. Simplified100.0%

      \[\leadsto \color{blue}{z - \mathsf{fma}\left(x, -3, y \cdot -2\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around 0 93.9%

      \[\leadsto z - \color{blue}{-2 \cdot y} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification89.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq -7.2 \cdot 10^{+20} \lor \neg \left(x \leq 9.5 \cdot 10^{+48}\right):\\ \;\;\;\;z - x \cdot -3\\ \mathbf{else}:\\ \;\;\;\;z - y \cdot -2\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 80.8% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -2.7 \cdot 10^{+99} \lor \neg \left(y \leq 1.2 \cdot 10^{+131}\right):\\ \;\;\;\;2 \cdot \left(x + y\right)\\ \mathbf{else}:\\ \;\;\;\;z - x \cdot -3\\ \end{array} \end{array} \]
(FPCore (x y z)
 :precision binary64
 (if (or (<= y -2.7e+99) (not (<= y 1.2e+131)))
   (* 2.0 (+ x y))
   (- z (* x -3.0))))
double code(double x, double y, double z) {
	double tmp;
	if ((y <= -2.7e+99) || !(y <= 1.2e+131)) {
		tmp = 2.0 * (x + y);
	} else {
		tmp = z - (x * -3.0);
	}
	return tmp;
}
real(8) function code(x, y, z)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8) :: tmp
    if ((y <= (-2.7d+99)) .or. (.not. (y <= 1.2d+131))) then
        tmp = 2.0d0 * (x + y)
    else
        tmp = z - (x * (-3.0d0))
    end if
    code = tmp
end function
public static double code(double x, double y, double z) {
	double tmp;
	if ((y <= -2.7e+99) || !(y <= 1.2e+131)) {
		tmp = 2.0 * (x + y);
	} else {
		tmp = z - (x * -3.0);
	}
	return tmp;
}
def code(x, y, z):
	tmp = 0
	if (y <= -2.7e+99) or not (y <= 1.2e+131):
		tmp = 2.0 * (x + y)
	else:
		tmp = z - (x * -3.0)
	return tmp
function code(x, y, z)
	tmp = 0.0
	if ((y <= -2.7e+99) || !(y <= 1.2e+131))
		tmp = Float64(2.0 * Float64(x + y));
	else
		tmp = Float64(z - Float64(x * -3.0));
	end
	return tmp
end
function tmp_2 = code(x, y, z)
	tmp = 0.0;
	if ((y <= -2.7e+99) || ~((y <= 1.2e+131)))
		tmp = 2.0 * (x + y);
	else
		tmp = z - (x * -3.0);
	end
	tmp_2 = tmp;
end
code[x_, y_, z_] := If[Or[LessEqual[y, -2.7e+99], N[Not[LessEqual[y, 1.2e+131]], $MachinePrecision]], N[(2.0 * N[(x + y), $MachinePrecision]), $MachinePrecision], N[(z - N[(x * -3.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.7 \cdot 10^{+99} \lor \neg \left(y \leq 1.2 \cdot 10^{+131}\right):\\
\;\;\;\;2 \cdot \left(x + y\right)\\

\mathbf{else}:\\
\;\;\;\;z - x \cdot -3\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if y < -2.69999999999999989e99 or 1.2e131 < y

    1. Initial program 100.0%

      \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
    2. Step-by-step derivation
      1. associate-+l+100.0%

        \[\leadsto \color{blue}{\left(\left(\left(x + y\right) + y\right) + x\right) + \left(z + x\right)} \]
      2. associate-+l+100.0%

        \[\leadsto \color{blue}{\left(\left(x + y\right) + \left(y + x\right)\right)} + \left(z + x\right) \]
      3. +-commutative100.0%

        \[\leadsto \left(\color{blue}{\left(y + x\right)} + \left(y + x\right)\right) + \left(z + x\right) \]
      4. count-2100.0%

        \[\leadsto \color{blue}{2 \cdot \left(y + x\right)} + \left(z + x\right) \]
      5. +-commutative100.0%

        \[\leadsto 2 \cdot \color{blue}{\left(x + y\right)} + \left(z + x\right) \]
      6. +-commutative100.0%

        \[\leadsto 2 \cdot \left(x + y\right) + \color{blue}{\left(x + z\right)} \]
    3. Simplified100.0%

      \[\leadsto \color{blue}{2 \cdot \left(x + y\right) + \left(x + z\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around 0 88.5%

      \[\leadsto 2 \cdot \left(x + y\right) + \color{blue}{z} \]
    6. Taylor expanded in z around 0 73.4%

      \[\leadsto \color{blue}{2 \cdot \left(x + y\right)} \]
    7. Step-by-step derivation
      1. +-commutative73.4%

        \[\leadsto 2 \cdot \color{blue}{\left(y + x\right)} \]
    8. Simplified73.4%

      \[\leadsto \color{blue}{2 \cdot \left(y + x\right)} \]

    if -2.69999999999999989e99 < y < 1.2e131

    1. Initial program 99.9%

      \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
    2. Step-by-step derivation
      1. +-commutative99.9%

        \[\leadsto \color{blue}{\left(z + \left(\left(\left(x + y\right) + y\right) + x\right)\right)} + x \]
      2. associate-+l+99.9%

        \[\leadsto \color{blue}{z + \left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)} \]
      3. remove-double-neg99.9%

        \[\leadsto z + \color{blue}{\left(-\left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)\right)} \]
      4. unsub-neg99.9%

        \[\leadsto \color{blue}{z - \left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)} \]
      5. +-commutative99.9%

        \[\leadsto z - \left(-\color{blue}{\left(x + \left(\left(\left(x + y\right) + y\right) + x\right)\right)}\right) \]
      6. +-commutative99.9%

        \[\leadsto z - \left(-\left(x + \color{blue}{\left(x + \left(\left(x + y\right) + y\right)\right)}\right)\right) \]
      7. associate-+l+99.9%

        \[\leadsto z - \left(-\left(x + \left(x + \color{blue}{\left(x + \left(y + y\right)\right)}\right)\right)\right) \]
      8. associate-+r+99.9%

        \[\leadsto z - \left(-\left(x + \color{blue}{\left(\left(x + x\right) + \left(y + y\right)\right)}\right)\right) \]
      9. associate-+r+99.9%

        \[\leadsto z - \left(-\color{blue}{\left(\left(x + \left(x + x\right)\right) + \left(y + y\right)\right)}\right) \]
      10. distribute-neg-in99.9%

        \[\leadsto z - \color{blue}{\left(\left(-\left(x + \left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right)} \]
      11. distribute-neg-out99.9%

        \[\leadsto z - \left(\color{blue}{\left(\left(-x\right) + \left(-\left(x + x\right)\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
      12. neg-mul-199.9%

        \[\leadsto z - \left(\left(\color{blue}{-1 \cdot x} + \left(-\left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right) \]
      13. count-299.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \left(-\color{blue}{2 \cdot x}\right)\right) + \left(-\left(y + y\right)\right)\right) \]
      14. distribute-lft-neg-in99.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-2\right) \cdot x}\right) + \left(-\left(y + y\right)\right)\right) \]
      15. metadata-eval99.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{-2} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
      16. metadata-eval99.9%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-1 + -1\right)} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
      17. distribute-rgt-out99.9%

        \[\leadsto z - \left(\color{blue}{x \cdot \left(-1 + \left(-1 + -1\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
      18. distribute-neg-out99.9%

        \[\leadsto z - \left(x \cdot \left(-1 + \left(-1 + -1\right)\right) + \color{blue}{\left(\left(-y\right) + \left(-y\right)\right)}\right) \]
      19. fma-define99.9%

        \[\leadsto z - \color{blue}{\mathsf{fma}\left(x, -1 + \left(-1 + -1\right), \left(-y\right) + \left(-y\right)\right)} \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{z - \mathsf{fma}\left(x, -3, y \cdot -2\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around inf 82.7%

      \[\leadsto z - \color{blue}{-3 \cdot x} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification79.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -2.7 \cdot 10^{+99} \lor \neg \left(y \leq 1.2 \cdot 10^{+131}\right):\\ \;\;\;\;2 \cdot \left(x + y\right)\\ \mathbf{else}:\\ \;\;\;\;z - x \cdot -3\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 52.1% accurate, 0.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq -0.00082 \lor \neg \left(x \leq 85000\right):\\ \;\;\;\;x \cdot 3\\ \mathbf{else}:\\ \;\;\;\;z\\ \end{array} \end{array} \]
(FPCore (x y z)
 :precision binary64
 (if (or (<= x -0.00082) (not (<= x 85000.0))) (* x 3.0) z))
double code(double x, double y, double z) {
	double tmp;
	if ((x <= -0.00082) || !(x <= 85000.0)) {
		tmp = x * 3.0;
	} else {
		tmp = z;
	}
	return tmp;
}
real(8) function code(x, y, z)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8) :: tmp
    if ((x <= (-0.00082d0)) .or. (.not. (x <= 85000.0d0))) then
        tmp = x * 3.0d0
    else
        tmp = z
    end if
    code = tmp
end function
public static double code(double x, double y, double z) {
	double tmp;
	if ((x <= -0.00082) || !(x <= 85000.0)) {
		tmp = x * 3.0;
	} else {
		tmp = z;
	}
	return tmp;
}
def code(x, y, z):
	tmp = 0
	if (x <= -0.00082) or not (x <= 85000.0):
		tmp = x * 3.0
	else:
		tmp = z
	return tmp
function code(x, y, z)
	tmp = 0.0
	if ((x <= -0.00082) || !(x <= 85000.0))
		tmp = Float64(x * 3.0);
	else
		tmp = z;
	end
	return tmp
end
function tmp_2 = code(x, y, z)
	tmp = 0.0;
	if ((x <= -0.00082) || ~((x <= 85000.0)))
		tmp = x * 3.0;
	else
		tmp = z;
	end
	tmp_2 = tmp;
end
code[x_, y_, z_] := If[Or[LessEqual[x, -0.00082], N[Not[LessEqual[x, 85000.0]], $MachinePrecision]], N[(x * 3.0), $MachinePrecision], z]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;x \leq -0.00082 \lor \neg \left(x \leq 85000\right):\\
\;\;\;\;x \cdot 3\\

\mathbf{else}:\\
\;\;\;\;z\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if x < -8.1999999999999998e-4 or 85000 < x

    1. Initial program 99.9%

      \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
    2. Step-by-step derivation
      1. associate-+l+99.8%

        \[\leadsto \color{blue}{\left(\left(\left(x + y\right) + y\right) + x\right) + \left(z + x\right)} \]
      2. associate-+l+99.9%

        \[\leadsto \color{blue}{\left(\left(x + y\right) + \left(y + x\right)\right)} + \left(z + x\right) \]
      3. +-commutative99.9%

        \[\leadsto \left(\color{blue}{\left(y + x\right)} + \left(y + x\right)\right) + \left(z + x\right) \]
      4. count-299.9%

        \[\leadsto \color{blue}{2 \cdot \left(y + x\right)} + \left(z + x\right) \]
      5. +-commutative99.9%

        \[\leadsto 2 \cdot \color{blue}{\left(x + y\right)} + \left(z + x\right) \]
      6. +-commutative99.9%

        \[\leadsto 2 \cdot \left(x + y\right) + \color{blue}{\left(x + z\right)} \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{2 \cdot \left(x + y\right) + \left(x + z\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around inf 59.0%

      \[\leadsto \color{blue}{3 \cdot x} \]

    if -8.1999999999999998e-4 < x < 85000

    1. Initial program 100.0%

      \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
    2. Step-by-step derivation
      1. +-commutative100.0%

        \[\leadsto \color{blue}{\left(z + \left(\left(\left(x + y\right) + y\right) + x\right)\right)} + x \]
      2. associate-+l+100.0%

        \[\leadsto \color{blue}{z + \left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)} \]
      3. remove-double-neg100.0%

        \[\leadsto z + \color{blue}{\left(-\left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)\right)} \]
      4. unsub-neg100.0%

        \[\leadsto \color{blue}{z - \left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)} \]
      5. +-commutative100.0%

        \[\leadsto z - \left(-\color{blue}{\left(x + \left(\left(\left(x + y\right) + y\right) + x\right)\right)}\right) \]
      6. +-commutative100.0%

        \[\leadsto z - \left(-\left(x + \color{blue}{\left(x + \left(\left(x + y\right) + y\right)\right)}\right)\right) \]
      7. associate-+l+100.0%

        \[\leadsto z - \left(-\left(x + \left(x + \color{blue}{\left(x + \left(y + y\right)\right)}\right)\right)\right) \]
      8. associate-+r+100.0%

        \[\leadsto z - \left(-\left(x + \color{blue}{\left(\left(x + x\right) + \left(y + y\right)\right)}\right)\right) \]
      9. associate-+r+100.0%

        \[\leadsto z - \left(-\color{blue}{\left(\left(x + \left(x + x\right)\right) + \left(y + y\right)\right)}\right) \]
      10. distribute-neg-in100.0%

        \[\leadsto z - \color{blue}{\left(\left(-\left(x + \left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right)} \]
      11. distribute-neg-out100.0%

        \[\leadsto z - \left(\color{blue}{\left(\left(-x\right) + \left(-\left(x + x\right)\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
      12. neg-mul-1100.0%

        \[\leadsto z - \left(\left(\color{blue}{-1 \cdot x} + \left(-\left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right) \]
      13. count-2100.0%

        \[\leadsto z - \left(\left(-1 \cdot x + \left(-\color{blue}{2 \cdot x}\right)\right) + \left(-\left(y + y\right)\right)\right) \]
      14. distribute-lft-neg-in100.0%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-2\right) \cdot x}\right) + \left(-\left(y + y\right)\right)\right) \]
      15. metadata-eval100.0%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{-2} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
      16. metadata-eval100.0%

        \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-1 + -1\right)} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
      17. distribute-rgt-out100.0%

        \[\leadsto z - \left(\color{blue}{x \cdot \left(-1 + \left(-1 + -1\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
      18. distribute-neg-out100.0%

        \[\leadsto z - \left(x \cdot \left(-1 + \left(-1 + -1\right)\right) + \color{blue}{\left(\left(-y\right) + \left(-y\right)\right)}\right) \]
      19. fma-define100.0%

        \[\leadsto z - \color{blue}{\mathsf{fma}\left(x, -1 + \left(-1 + -1\right), \left(-y\right) + \left(-y\right)\right)} \]
    3. Simplified100.0%

      \[\leadsto \color{blue}{z - \mathsf{fma}\left(x, -3, y \cdot -2\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around 0 96.7%

      \[\leadsto z - \color{blue}{-2 \cdot y} \]
    6. Taylor expanded in z around inf 43.0%

      \[\leadsto \color{blue}{z} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification50.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq -0.00082 \lor \neg \left(x \leq 85000\right):\\ \;\;\;\;x \cdot 3\\ \mathbf{else}:\\ \;\;\;\;z\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 99.9% accurate, 1.2× speedup?

\[\begin{array}{l} \\ 2 \cdot \left(x + y\right) + \left(z + x\right) \end{array} \]
(FPCore (x y z) :precision binary64 (+ (* 2.0 (+ x y)) (+ z x)))
double code(double x, double y, double z) {
	return (2.0 * (x + y)) + (z + x);
}
real(8) function code(x, y, z)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    code = (2.0d0 * (x + y)) + (z + x)
end function
public static double code(double x, double y, double z) {
	return (2.0 * (x + y)) + (z + x);
}
def code(x, y, z):
	return (2.0 * (x + y)) + (z + x)
function code(x, y, z)
	return Float64(Float64(2.0 * Float64(x + y)) + Float64(z + x))
end
function tmp = code(x, y, z)
	tmp = (2.0 * (x + y)) + (z + x);
end
code[x_, y_, z_] := N[(N[(2.0 * N[(x + y), $MachinePrecision]), $MachinePrecision] + N[(z + x), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
2 \cdot \left(x + y\right) + \left(z + x\right)
\end{array}
Derivation
  1. Initial program 99.9%

    \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
  2. Step-by-step derivation
    1. associate-+l+99.9%

      \[\leadsto \color{blue}{\left(\left(\left(x + y\right) + y\right) + x\right) + \left(z + x\right)} \]
    2. associate-+l+99.9%

      \[\leadsto \color{blue}{\left(\left(x + y\right) + \left(y + x\right)\right)} + \left(z + x\right) \]
    3. +-commutative99.9%

      \[\leadsto \left(\color{blue}{\left(y + x\right)} + \left(y + x\right)\right) + \left(z + x\right) \]
    4. count-299.9%

      \[\leadsto \color{blue}{2 \cdot \left(y + x\right)} + \left(z + x\right) \]
    5. +-commutative99.9%

      \[\leadsto 2 \cdot \color{blue}{\left(x + y\right)} + \left(z + x\right) \]
    6. +-commutative99.9%

      \[\leadsto 2 \cdot \left(x + y\right) + \color{blue}{\left(x + z\right)} \]
  3. Simplified99.9%

    \[\leadsto \color{blue}{2 \cdot \left(x + y\right) + \left(x + z\right)} \]
  4. Add Preprocessing
  5. Final simplification99.9%

    \[\leadsto 2 \cdot \left(x + y\right) + \left(z + x\right) \]
  6. Add Preprocessing

Alternative 10: 34.0% accurate, 11.0× speedup?

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

\\
z
\end{array}
Derivation
  1. Initial program 99.9%

    \[\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x \]
  2. Step-by-step derivation
    1. +-commutative99.9%

      \[\leadsto \color{blue}{\left(z + \left(\left(\left(x + y\right) + y\right) + x\right)\right)} + x \]
    2. associate-+l+99.9%

      \[\leadsto \color{blue}{z + \left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)} \]
    3. remove-double-neg99.9%

      \[\leadsto z + \color{blue}{\left(-\left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)\right)} \]
    4. unsub-neg99.9%

      \[\leadsto \color{blue}{z - \left(-\left(\left(\left(\left(x + y\right) + y\right) + x\right) + x\right)\right)} \]
    5. +-commutative99.9%

      \[\leadsto z - \left(-\color{blue}{\left(x + \left(\left(\left(x + y\right) + y\right) + x\right)\right)}\right) \]
    6. +-commutative99.9%

      \[\leadsto z - \left(-\left(x + \color{blue}{\left(x + \left(\left(x + y\right) + y\right)\right)}\right)\right) \]
    7. associate-+l+99.9%

      \[\leadsto z - \left(-\left(x + \left(x + \color{blue}{\left(x + \left(y + y\right)\right)}\right)\right)\right) \]
    8. associate-+r+99.9%

      \[\leadsto z - \left(-\left(x + \color{blue}{\left(\left(x + x\right) + \left(y + y\right)\right)}\right)\right) \]
    9. associate-+r+99.9%

      \[\leadsto z - \left(-\color{blue}{\left(\left(x + \left(x + x\right)\right) + \left(y + y\right)\right)}\right) \]
    10. distribute-neg-in99.9%

      \[\leadsto z - \color{blue}{\left(\left(-\left(x + \left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right)} \]
    11. distribute-neg-out99.9%

      \[\leadsto z - \left(\color{blue}{\left(\left(-x\right) + \left(-\left(x + x\right)\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
    12. neg-mul-199.9%

      \[\leadsto z - \left(\left(\color{blue}{-1 \cdot x} + \left(-\left(x + x\right)\right)\right) + \left(-\left(y + y\right)\right)\right) \]
    13. count-299.9%

      \[\leadsto z - \left(\left(-1 \cdot x + \left(-\color{blue}{2 \cdot x}\right)\right) + \left(-\left(y + y\right)\right)\right) \]
    14. distribute-lft-neg-in99.9%

      \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-2\right) \cdot x}\right) + \left(-\left(y + y\right)\right)\right) \]
    15. metadata-eval99.9%

      \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{-2} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
    16. metadata-eval99.9%

      \[\leadsto z - \left(\left(-1 \cdot x + \color{blue}{\left(-1 + -1\right)} \cdot x\right) + \left(-\left(y + y\right)\right)\right) \]
    17. distribute-rgt-out99.9%

      \[\leadsto z - \left(\color{blue}{x \cdot \left(-1 + \left(-1 + -1\right)\right)} + \left(-\left(y + y\right)\right)\right) \]
    18. distribute-neg-out99.9%

      \[\leadsto z - \left(x \cdot \left(-1 + \left(-1 + -1\right)\right) + \color{blue}{\left(\left(-y\right) + \left(-y\right)\right)}\right) \]
    19. fma-define100.0%

      \[\leadsto z - \color{blue}{\mathsf{fma}\left(x, -1 + \left(-1 + -1\right), \left(-y\right) + \left(-y\right)\right)} \]
  3. Simplified100.0%

    \[\leadsto \color{blue}{z - \mathsf{fma}\left(x, -3, y \cdot -2\right)} \]
  4. Add Preprocessing
  5. Taylor expanded in x around 0 69.1%

    \[\leadsto z - \color{blue}{-2 \cdot y} \]
  6. Taylor expanded in z around inf 32.3%

    \[\leadsto \color{blue}{z} \]
  7. Add Preprocessing

Reproduce

?
herbie shell --seed 2024146 
(FPCore (x y z)
  :name "Graphics.Rendering.Plot.Render.Plot.Legend:renderLegendInside from plot-0.2.3.4"
  :precision binary64
  (+ (+ (+ (+ (+ x y) y) x) z) x))