Diagrams.TwoD.Arc:bezierFromSweepQ1 from diagrams-lib-1.3.0.3

Percentage Accurate: 93.5% → 99.8%

Time: 27.7s

Alternatives: 15

Speedup: 1.0×

• 24.5% of points produce a very large (infinite) output. You may want to add a precondition.

Specification

Math

\[\begin{array}{l} \\ \frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \end{array} \]

FPCore

(FPCore (x y) :precision binary64 (/ (* (- 1.0 x) (- 3.0 x)) (* y 3.0)))

C

double code(double x, double y) {
	return ((1.0 - x) * (3.0 - x)) / (y * 3.0);
}

Fortran

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = ((1.0d0 - x) * (3.0d0 - x)) / (y * 3.0d0)
end function

Java

public static double code(double x, double y) {
	return ((1.0 - x) * (3.0 - x)) / (y * 3.0);
}

Python

def code(x, y):
	return ((1.0 - x) * (3.0 - x)) / (y * 3.0)

Julia

function code(x, y)
	return Float64(Float64(Float64(1.0 - x) * Float64(3.0 - x)) / Float64(y * 3.0))
end

MATLAB

function tmp = code(x, y)
	tmp = ((1.0 - x) * (3.0 - x)) / (y * 3.0);
end

Wolfram

code[x_, y_] := N[(N[(N[(1.0 - x), $MachinePrecision] * N[(3.0 - x), $MachinePrecision]), $MachinePrecision] / N[(y * 3.0), $MachinePrecision]), $MachinePrecision]

Initial Program: 93.5% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ \frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \end{array} \]

FPCore

(FPCore (x y) :precision binary64 (/ (* (- 1.0 x) (- 3.0 x)) (* y 3.0)))

C

double code(double x, double y) {
	return ((1.0 - x) * (3.0 - x)) / (y * 3.0);
}

Fortran

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = ((1.0d0 - x) * (3.0d0 - x)) / (y * 3.0d0)
end function

Java

public static double code(double x, double y) {
	return ((1.0 - x) * (3.0 - x)) / (y * 3.0);
}

Python

def code(x, y):
	return ((1.0 - x) * (3.0 - x)) / (y * 3.0)

Julia

function code(x, y)
	return Float64(Float64(Float64(1.0 - x) * Float64(3.0 - x)) / Float64(y * 3.0))
end

MATLAB

function tmp = code(x, y)
	tmp = ((1.0 - x) * (3.0 - x)) / (y * 3.0);
end

Wolfram

code[x_, y_] := N[(N[(N[(1.0 - x), $MachinePrecision] * N[(3.0 - x), $MachinePrecision]), $MachinePrecision] / N[(y * 3.0), $MachinePrecision]), $MachinePrecision]

Alternative 1: 99.8% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ \frac{\frac{1 - x}{y}}{\frac{3}{3 - x}} \end{array} \]

FPCore

(FPCore (x y) :precision binary64 (/ (/ (- 1.0 x) y) (/ 3.0 (- 3.0 x))))

C

double code(double x, double y) {
	return ((1.0 - x) / y) / (3.0 / (3.0 - x));
}

Fortran

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = ((1.0d0 - x) / y) / (3.0d0 / (3.0d0 - x))
end function

Java

public static double code(double x, double y) {
	return ((1.0 - x) / y) / (3.0 / (3.0 - x));
}

Python

def code(x, y):
	return ((1.0 - x) / y) / (3.0 / (3.0 - x))

Julia

function code(x, y)
	return Float64(Float64(Float64(1.0 - x) / y) / Float64(3.0 / Float64(3.0 - x)))
end

MATLAB

function tmp = code(x, y)
	tmp = ((1.0 - x) / y) / (3.0 / (3.0 - x));
end

Wolfram

code[x_, y_] := N[(N[(N[(1.0 - x), $MachinePrecision] / y), $MachinePrecision] / N[(3.0 / N[(3.0 - x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]

Derivation

1. Initial program 95.7%

   \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
2. Step-by-step derivation

   1. *-commutative 95.7%

      \[\leadsto \frac{\color{blue}{\left(3 - x\right) \cdot \left(1 - x\right)}}{y \cdot 3} \]

   2. associate-*r/ 99.5%

      \[\leadsto \color{blue}{\left(3 - x\right) \cdot \frac{1 - x}{y \cdot 3}} \]

   3. associate-/r* 99.7%

      \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{\frac{1 - x}{y}}{3}} \]

   4. associate-/r* 99.5%

      \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{1 - x}{y \cdot 3}} \]

   5. div-sub 99.5%

      \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{1}{y \cdot 3} - \frac{x}{y \cdot 3}\right)} \]

   6. sub-neg 99.5%

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

   7. distribute-frac-neg 99.5%

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

   8. *-lft-identity 99.5%

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

   9. metadata-eval 99.5%

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

   10. times-frac 99.5%

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

   11. neg-mul-1 99.5%

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

   12. remove-double-neg 99.5%

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

   13. *-rgt-identity 99.5%

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

   14. times-frac 99.5%

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

   15. remove-double-neg 99.5%

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

   16. neg-mul-1 99.5%

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

   17. *-commutative 99.5%

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

   18. associate-/l* 99.5%

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

   19. metadata-eval 99.5%

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

   20. /-rgt-identity 99.5%

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

   21. distribute-rgt1-in 99.5%

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

   22. +-commutative 99.5%

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

   23. sub-neg 99.5%

       \[\leadsto \left(3 - x\right) \cdot \left(\color{blue}{\left(1 - x\right)} \cdot \frac{1}{y \cdot 3}\right) \]

   24. *-commutative 99.5%

       \[\leadsto \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{1}{\color{blue}{3 \cdot y}}\right) \]

3. Simplified 99.5%

   \[\leadsto \color{blue}{\left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right)} \]
4. Step-by-step derivation

   1. associate-*r* 95.6%

      \[\leadsto \color{blue}{\left(\left(3 - x\right) \cdot \left(1 - x\right)\right) \cdot \frac{0.3333333333333333}{y}} \]

   2. *-commutative 95.6%

      \[\leadsto \color{blue}{\left(\left(1 - x\right) \cdot \left(3 - x\right)\right)} \cdot \frac{0.3333333333333333}{y} \]

   3. associate-*r/ 95.8%

      \[\leadsto \color{blue}{\frac{\left(\left(1 - x\right) \cdot \left(3 - x\right)\right) \cdot 0.3333333333333333}{y}} \]

   4. associate-*r* 95.8%

      \[\leadsto \frac{\color{blue}{\left(1 - x\right) \cdot \left(\left(3 - x\right) \cdot 0.3333333333333333\right)}}{y} \]

   5. metadata-eval 95.8%

      \[\leadsto \frac{\left(1 - x\right) \cdot \left(\left(3 - x\right) \cdot \color{blue}{\frac{1}{3}}\right)}{y} \]

   6. div-inv 95.8%

      \[\leadsto \frac{\left(1 - x\right) \cdot \color{blue}{\frac{3 - x}{3}}}{y} \]

   7. associate-*l/ 99.8%

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

   8. clear-num 99.8%

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

   9. un-div-inv 99.8%

      \[\leadsto \color{blue}{\frac{\frac{1 - x}{y}}{\frac{3}{3 - x}}} \]

5. Applied egg-rr 99.8%

   \[\leadsto \color{blue}{\frac{\frac{1 - x}{y}}{\frac{3}{3 - x}}} \]

6. Final simplification 99.8%

   \[\leadsto \frac{\frac{1 - x}{y}}{\frac{3}{3 - x}} \]

Alternative 2: 99.5% accurate, 0.7× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq -5.8 \cdot 10^{+81} \lor \neg \left(x \leq 1.15 \cdot 10^{+30}\right):\\ \;\;\;\;\frac{\frac{1 - x}{y}}{\frac{-3}{x}}\\ \mathbf{else}:\\ \;\;\;\;0.3333333333333333 \cdot \frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y}\\ \end{array} \end{array} \]

FPCore

(FPCore (x y)
 :precision binary64
 (if (or (<= x -5.8e+81) (not (<= x 1.15e+30)))
   (/ (/ (- 1.0 x) y) (/ -3.0 x))
   (* 0.3333333333333333 (/ (* (- 1.0 x) (- 3.0 x)) y))))

C

double code(double x, double y) {
	double tmp;
	if ((x <= -5.8e+81) || !(x <= 1.15e+30)) {
		tmp = ((1.0 - x) / y) / (-3.0 / x);
	} else {
		tmp = 0.3333333333333333 * (((1.0 - x) * (3.0 - x)) / y);
	}
	return tmp;
}

Fortran

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if ((x <= (-5.8d+81)) .or. (.not. (x <= 1.15d+30))) then
        tmp = ((1.0d0 - x) / y) / ((-3.0d0) / x)
    else
        tmp = 0.3333333333333333d0 * (((1.0d0 - x) * (3.0d0 - x)) / y)
    end if
    code = tmp
end function

Java

public static double code(double x, double y) {
	double tmp;
	if ((x <= -5.8e+81) || !(x <= 1.15e+30)) {
		tmp = ((1.0 - x) / y) / (-3.0 / x);
	} else {
		tmp = 0.3333333333333333 * (((1.0 - x) * (3.0 - x)) / y);
	}
	return tmp;
}

Python

def code(x, y):
	tmp = 0
	if (x <= -5.8e+81) or not (x <= 1.15e+30):
		tmp = ((1.0 - x) / y) / (-3.0 / x)
	else:
		tmp = 0.3333333333333333 * (((1.0 - x) * (3.0 - x)) / y)
	return tmp

Julia

function code(x, y)
	tmp = 0.0
	if ((x <= -5.8e+81) || !(x <= 1.15e+30))
		tmp = Float64(Float64(Float64(1.0 - x) / y) / Float64(-3.0 / x));
	else
		tmp = Float64(0.3333333333333333 * Float64(Float64(Float64(1.0 - x) * Float64(3.0 - x)) / y));
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y)
	tmp = 0.0;
	if ((x <= -5.8e+81) || ~((x <= 1.15e+30)))
		tmp = ((1.0 - x) / y) / (-3.0 / x);
	else
		tmp = 0.3333333333333333 * (((1.0 - x) * (3.0 - x)) / y);
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_] := If[Or[LessEqual[x, -5.8e+81], N[Not[LessEqual[x, 1.15e+30]], $MachinePrecision]], N[(N[(N[(1.0 - x), $MachinePrecision] / y), $MachinePrecision] / N[(-3.0 / x), $MachinePrecision]), $MachinePrecision], N[(0.3333333333333333 * N[(N[(N[(1.0 - x), $MachinePrecision] * N[(3.0 - x), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision]]

Derivation

1. Split input into 2 regimes

2. if x < -5.7999999999999999e81 or 1.15e30 < x

   1. Initial program 90.3%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. *-commutative 90.3%

         \[\leadsto \frac{\color{blue}{\left(3 - x\right) \cdot \left(1 - x\right)}}{y \cdot 3} \]

      2. associate-*r/ 99.7%

         \[\leadsto \color{blue}{\left(3 - x\right) \cdot \frac{1 - x}{y \cdot 3}} \]

      3. associate-/r* 99.7%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{\frac{1 - x}{y}}{3}} \]

      4. associate-/r* 99.7%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{1 - x}{y \cdot 3}} \]

      5. div-sub 99.7%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{1}{y \cdot 3} - \frac{x}{y \cdot 3}\right)} \]

      6. sub-neg 99.7%

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

      7. distribute-frac-neg 99.7%

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

      8. *-lft-identity 99.7%

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

      9. metadata-eval 99.7%

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

      10. times-frac 99.7%

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

      11. neg-mul-1 99.7%

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

      12. remove-double-neg 99.7%

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

      13. *-rgt-identity 99.7%

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

      14. times-frac 99.6%

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

      15. remove-double-neg 99.6%

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

      16. neg-mul-1 99.6%

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

      17. *-commutative 99.6%

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

      18. associate-/l* 99.6%

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

      19. metadata-eval 99.6%

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

      20. /-rgt-identity 99.6%

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

      21. distribute-rgt1-in 99.6%

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

      22. +-commutative 99.6%

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

      23. sub-neg 99.6%

          \[\leadsto \left(3 - x\right) \cdot \left(\color{blue}{\left(1 - x\right)} \cdot \frac{1}{y \cdot 3}\right) \]

      24. *-commutative 99.6%

          \[\leadsto \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{1}{\color{blue}{3 \cdot y}}\right) \]

   3. Simplified 99.6%

      \[\leadsto \color{blue}{\left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right)} \]
   4. Step-by-step derivation

      1. associate-*r* 90.3%

         \[\leadsto \color{blue}{\left(\left(3 - x\right) \cdot \left(1 - x\right)\right) \cdot \frac{0.3333333333333333}{y}} \]

      2. *-commutative 90.3%

         \[\leadsto \color{blue}{\left(\left(1 - x\right) \cdot \left(3 - x\right)\right)} \cdot \frac{0.3333333333333333}{y} \]

      3. associate-*r/ 90.3%

         \[\leadsto \color{blue}{\frac{\left(\left(1 - x\right) \cdot \left(3 - x\right)\right) \cdot 0.3333333333333333}{y}} \]

      4. associate-*r* 90.3%

         \[\leadsto \frac{\color{blue}{\left(1 - x\right) \cdot \left(\left(3 - x\right) \cdot 0.3333333333333333\right)}}{y} \]

      5. metadata-eval 90.3%

         \[\leadsto \frac{\left(1 - x\right) \cdot \left(\left(3 - x\right) \cdot \color{blue}{\frac{1}{3}}\right)}{y} \]

      6. div-inv 90.3%

         \[\leadsto \frac{\left(1 - x\right) \cdot \color{blue}{\frac{3 - x}{3}}}{y} \]

      7. associate-*l/ 99.8%

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

      8. clear-num 99.7%

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

      9. un-div-inv 99.8%

         \[\leadsto \color{blue}{\frac{\frac{1 - x}{y}}{\frac{3}{3 - x}}} \]

   5. Applied egg-rr 99.8%

      \[\leadsto \color{blue}{\frac{\frac{1 - x}{y}}{\frac{3}{3 - x}}} \]

   6. Taylor expanded in x around inf 99.8%

      \[\leadsto \frac{\frac{1 - x}{y}}{\color{blue}{\frac{-3}{x}}} \]

   if -5.7999999999999999e81 < x < 1.15e30

   1. Initial program 99.6%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. *-commutative 99.6%

         \[\leadsto \frac{\color{blue}{\left(3 - x\right) \cdot \left(1 - x\right)}}{y \cdot 3} \]

      2. associate-*r/ 99.4%

         \[\leadsto \color{blue}{\left(3 - x\right) \cdot \frac{1 - x}{y \cdot 3}} \]

      3. associate-/r* 99.7%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{\frac{1 - x}{y}}{3}} \]

      4. associate-/r* 99.4%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{1 - x}{y \cdot 3}} \]

      5. div-sub 99.4%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{1}{y \cdot 3} - \frac{x}{y \cdot 3}\right)} \]

      6. sub-neg 99.4%

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

      7. distribute-frac-neg 99.4%

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

      8. *-lft-identity 99.4%

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

      9. metadata-eval 99.4%

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

      10. times-frac 99.4%

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

      11. neg-mul-1 99.4%

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

      12. remove-double-neg 99.4%

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

      13. *-rgt-identity 99.4%

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

      14. times-frac 99.4%

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

      15. remove-double-neg 99.4%

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

      16. neg-mul-1 99.4%

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

      17. *-commutative 99.4%

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

      18. associate-/l* 99.4%

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

      19. metadata-eval 99.4%

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

      20. /-rgt-identity 99.4%

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

      21. distribute-rgt1-in 99.4%

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

      22. +-commutative 99.4%

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

      23. sub-neg 99.4%

          \[\leadsto \left(3 - x\right) \cdot \left(\color{blue}{\left(1 - x\right)} \cdot \frac{1}{y \cdot 3}\right) \]

      24. *-commutative 99.4%

          \[\leadsto \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{1}{\color{blue}{3 \cdot y}}\right) \]

   3. Simplified 99.4%

      \[\leadsto \color{blue}{\left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right)} \]

   4. Taylor expanded in y around 0 99.5%

      \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{\left(3 - x\right) \cdot \left(1 - x\right)}{y}} \]
3. Recombined 2 regimes into one program.

4. Final simplification 99.6%

   \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq -5.8 \cdot 10^{+81} \lor \neg \left(x \leq 1.15 \cdot 10^{+30}\right):\\ \;\;\;\;\frac{\frac{1 - x}{y}}{\frac{-3}{x}}\\ \mathbf{else}:\\ \;\;\;\;0.3333333333333333 \cdot \frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y}\\ \end{array} \]

Alternative 3: 98.1% accurate, 0.8× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq -1.3 \lor \neg \left(x \leq 2.3\right):\\ \;\;\;\;\frac{\frac{x}{y} \cdot \left(x + -4\right)}{3}\\ \mathbf{else}:\\ \;\;\;\;\frac{1 - x}{y}\\ \end{array} \end{array} \]

FPCore

(FPCore (x y)
 :precision binary64
 (if (or (<= x -1.3) (not (<= x 2.3)))
   (/ (* (/ x y) (+ x -4.0)) 3.0)
   (/ (- 1.0 x) y)))

C

double code(double x, double y) {
	double tmp;
	if ((x <= -1.3) || !(x <= 2.3)) {
		tmp = ((x / y) * (x + -4.0)) / 3.0;
	} else {
		tmp = (1.0 - x) / y;
	}
	return tmp;
}

Fortran

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if ((x <= (-1.3d0)) .or. (.not. (x <= 2.3d0))) then
        tmp = ((x / y) * (x + (-4.0d0))) / 3.0d0
    else
        tmp = (1.0d0 - x) / y
    end if
    code = tmp
end function

Java

public static double code(double x, double y) {
	double tmp;
	if ((x <= -1.3) || !(x <= 2.3)) {
		tmp = ((x / y) * (x + -4.0)) / 3.0;
	} else {
		tmp = (1.0 - x) / y;
	}
	return tmp;
}

Python

def code(x, y):
	tmp = 0
	if (x <= -1.3) or not (x <= 2.3):
		tmp = ((x / y) * (x + -4.0)) / 3.0
	else:
		tmp = (1.0 - x) / y
	return tmp

Julia

function code(x, y)
	tmp = 0.0
	if ((x <= -1.3) || !(x <= 2.3))
		tmp = Float64(Float64(Float64(x / y) * Float64(x + -4.0)) / 3.0);
	else
		tmp = Float64(Float64(1.0 - x) / y);
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y)
	tmp = 0.0;
	if ((x <= -1.3) || ~((x <= 2.3)))
		tmp = ((x / y) * (x + -4.0)) / 3.0;
	else
		tmp = (1.0 - x) / y;
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_] := If[Or[LessEqual[x, -1.3], N[Not[LessEqual[x, 2.3]], $MachinePrecision]], N[(N[(N[(x / y), $MachinePrecision] * N[(x + -4.0), $MachinePrecision]), $MachinePrecision] / 3.0), $MachinePrecision], N[(N[(1.0 - x), $MachinePrecision] / y), $MachinePrecision]]

Derivation

1. Split input into 2 regimes

2. if x < -1.30000000000000004 or 2.2999999999999998 < x

   1. Initial program 91.6%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. *-commutative 91.6%

         \[\leadsto \frac{\color{blue}{\left(3 - x\right) \cdot \left(1 - x\right)}}{y \cdot 3} \]

      2. associate-*r/ 99.7%

         \[\leadsto \color{blue}{\left(3 - x\right) \cdot \frac{1 - x}{y \cdot 3}} \]

      3. associate-/r* 99.7%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{\frac{1 - x}{y}}{3}} \]

      4. associate-/r* 99.7%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{1 - x}{y \cdot 3}} \]

      5. div-sub 99.6%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{1}{y \cdot 3} - \frac{x}{y \cdot 3}\right)} \]

      6. sub-neg 99.6%

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

      7. distribute-frac-neg 99.6%

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

      8. *-lft-identity 99.6%

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

      9. metadata-eval 99.6%

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

      10. times-frac 99.6%

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

      11. neg-mul-1 99.6%

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

      12. remove-double-neg 99.6%

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

      13. *-rgt-identity 99.6%

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

      14. times-frac 99.6%

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

      15. remove-double-neg 99.6%

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

      16. neg-mul-1 99.6%

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

      17. *-commutative 99.6%

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

      18. associate-/l* 99.6%

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

      19. metadata-eval 99.6%

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

      20. /-rgt-identity 99.6%

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

      21. distribute-rgt1-in 99.6%

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

      22. +-commutative 99.6%

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

      23. sub-neg 99.6%

          \[\leadsto \left(3 - x\right) \cdot \left(\color{blue}{\left(1 - x\right)} \cdot \frac{1}{y \cdot 3}\right) \]

      24. *-commutative 99.6%

          \[\leadsto \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{1}{\color{blue}{3 \cdot y}}\right) \]

   3. Simplified 99.6%

      \[\leadsto \color{blue}{\left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right)} \]

   4. Taylor expanded in y around 0 91.6%

      \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{\left(3 - x\right) \cdot \left(1 - x\right)}{y}} \]
   5. Step-by-step derivation

      1. associate-/l* 99.6%

         \[\leadsto 0.3333333333333333 \cdot \color{blue}{\frac{3 - x}{\frac{y}{1 - x}}} \]

      2. associate-*r/ 99.7%

         \[\leadsto \color{blue}{\frac{0.3333333333333333 \cdot \left(3 - x\right)}{\frac{y}{1 - x}}} \]

      3. metadata-eval 99.7%

         \[\leadsto \frac{\color{blue}{\frac{1}{3}} \cdot \left(3 - x\right)}{\frac{y}{1 - x}} \]

      4. associate-/r/ 99.7%

         \[\leadsto \frac{\color{blue}{\frac{1}{\frac{3}{3 - x}}}}{\frac{y}{1 - x}} \]

      5. clear-num 99.7%

         \[\leadsto \frac{\color{blue}{\frac{3 - x}{3}}}{\frac{y}{1 - x}} \]

      6. *-un-lft-identity 99.7%

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

      7. associate-*l/ 99.6%

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

      8. clear-num 99.7%

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

      9. clear-num 99.6%

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

      10. div-inv 99.7%

          \[\leadsto \color{blue}{\frac{\frac{1 - x}{y}}{\frac{3}{3 - x}}} \]

      11. associate-/r/ 99.7%

          \[\leadsto \color{blue}{\frac{\frac{1 - x}{y}}{3} \cdot \left(3 - x\right)} \]

      12. associate-*l/ 99.7%

          \[\leadsto \color{blue}{\frac{\frac{1 - x}{y} \cdot \left(3 - x\right)}{3}} \]

   6. Applied egg-rr 99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 - x}{y} \cdot \left(3 - x\right)}{3}} \]

   7. Taylor expanded in x around inf 79.0%

      \[\leadsto \frac{\color{blue}{-4 \cdot \frac{x}{y} + \frac{{x}^{2}}{y}}}{3} \]
   8. Step-by-step derivation

      1. *-commutative 79.0%

         \[\leadsto \frac{\color{blue}{\frac{x}{y} \cdot -4} + \frac{{x}^{2}}{y}}{3} \]

      2. unpow2 79.0%

         \[\leadsto \frac{\frac{x}{y} \cdot -4 + \frac{\color{blue}{x \cdot x}}{y}}{3} \]

      3. associate-*l/ 87.2%

         \[\leadsto \frac{\frac{x}{y} \cdot -4 + \color{blue}{\frac{x}{y} \cdot x}}{3} \]

      4. distribute-lft-out 99.1%

         \[\leadsto \frac{\color{blue}{\frac{x}{y} \cdot \left(-4 + x\right)}}{3} \]

   9. Simplified 99.1%

      \[\leadsto \frac{\color{blue}{\frac{x}{y} \cdot \left(-4 + x\right)}}{3} \]

   if -1.30000000000000004 < x < 2.2999999999999998

   1. Initial program 99.6%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. associate-/l* 99.7%

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

      2. *-commutative 99.7%

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

   3. Simplified 99.7%

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

   4. Taylor expanded in x around 0 97.7%

      \[\leadsto \frac{1 - x}{\color{blue}{y}} \]
3. Recombined 2 regimes into one program.

4. Final simplification 98.4%

   \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq -1.3 \lor \neg \left(x \leq 2.3\right):\\ \;\;\;\;\frac{\frac{x}{y} \cdot \left(x + -4\right)}{3}\\ \mathbf{else}:\\ \;\;\;\;\frac{1 - x}{y}\\ \end{array} \]

Alternative 4: 98.4% accurate, 0.8× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq -1.7 \lor \neg \left(x \leq 1.75\right):\\ \;\;\;\;\frac{\frac{x}{y} \cdot \left(x + -4\right)}{3}\\ \mathbf{else}:\\ \;\;\;\;\frac{3 + x \cdot -4}{y \cdot 3}\\ \end{array} \end{array} \]

FPCore

(FPCore (x y)
 :precision binary64
 (if (or (<= x -1.7) (not (<= x 1.75)))
   (/ (* (/ x y) (+ x -4.0)) 3.0)
   (/ (+ 3.0 (* x -4.0)) (* y 3.0))))

C

double code(double x, double y) {
	double tmp;
	if ((x <= -1.7) || !(x <= 1.75)) {
		tmp = ((x / y) * (x + -4.0)) / 3.0;
	} else {
		tmp = (3.0 + (x * -4.0)) / (y * 3.0);
	}
	return tmp;
}

Fortran

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if ((x <= (-1.7d0)) .or. (.not. (x <= 1.75d0))) then
        tmp = ((x / y) * (x + (-4.0d0))) / 3.0d0
    else
        tmp = (3.0d0 + (x * (-4.0d0))) / (y * 3.0d0)
    end if
    code = tmp
end function

Java

public static double code(double x, double y) {
	double tmp;
	if ((x <= -1.7) || !(x <= 1.75)) {
		tmp = ((x / y) * (x + -4.0)) / 3.0;
	} else {
		tmp = (3.0 + (x * -4.0)) / (y * 3.0);
	}
	return tmp;
}

Python

def code(x, y):
	tmp = 0
	if (x <= -1.7) or not (x <= 1.75):
		tmp = ((x / y) * (x + -4.0)) / 3.0
	else:
		tmp = (3.0 + (x * -4.0)) / (y * 3.0)
	return tmp

Julia

function code(x, y)
	tmp = 0.0
	if ((x <= -1.7) || !(x <= 1.75))
		tmp = Float64(Float64(Float64(x / y) * Float64(x + -4.0)) / 3.0);
	else
		tmp = Float64(Float64(3.0 + Float64(x * -4.0)) / Float64(y * 3.0));
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y)
	tmp = 0.0;
	if ((x <= -1.7) || ~((x <= 1.75)))
		tmp = ((x / y) * (x + -4.0)) / 3.0;
	else
		tmp = (3.0 + (x * -4.0)) / (y * 3.0);
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_] := If[Or[LessEqual[x, -1.7], N[Not[LessEqual[x, 1.75]], $MachinePrecision]], N[(N[(N[(x / y), $MachinePrecision] * N[(x + -4.0), $MachinePrecision]), $MachinePrecision] / 3.0), $MachinePrecision], N[(N[(3.0 + N[(x * -4.0), $MachinePrecision]), $MachinePrecision] / N[(y * 3.0), $MachinePrecision]), $MachinePrecision]]

Derivation

1. Split input into 2 regimes

2. if x < -1.69999999999999996 or 1.75 < x

   1. Initial program 91.6%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. *-commutative 91.6%

         \[\leadsto \frac{\color{blue}{\left(3 - x\right) \cdot \left(1 - x\right)}}{y \cdot 3} \]

      2. associate-*r/ 99.7%

         \[\leadsto \color{blue}{\left(3 - x\right) \cdot \frac{1 - x}{y \cdot 3}} \]

      3. associate-/r* 99.7%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{\frac{1 - x}{y}}{3}} \]

      4. associate-/r* 99.7%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{1 - x}{y \cdot 3}} \]

      5. div-sub 99.6%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{1}{y \cdot 3} - \frac{x}{y \cdot 3}\right)} \]

      6. sub-neg 99.6%

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

      7. distribute-frac-neg 99.6%

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

      8. *-lft-identity 99.6%

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

      9. metadata-eval 99.6%

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

      10. times-frac 99.6%

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

      11. neg-mul-1 99.6%

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

      12. remove-double-neg 99.6%

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

      13. *-rgt-identity 99.6%

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

      14. times-frac 99.6%

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

      15. remove-double-neg 99.6%

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

      16. neg-mul-1 99.6%

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

      17. *-commutative 99.6%

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

      18. associate-/l* 99.6%

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

      19. metadata-eval 99.6%

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

      20. /-rgt-identity 99.6%

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

      21. distribute-rgt1-in 99.6%

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

      22. +-commutative 99.6%

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

      23. sub-neg 99.6%

          \[\leadsto \left(3 - x\right) \cdot \left(\color{blue}{\left(1 - x\right)} \cdot \frac{1}{y \cdot 3}\right) \]

      24. *-commutative 99.6%

          \[\leadsto \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{1}{\color{blue}{3 \cdot y}}\right) \]

   3. Simplified 99.6%

      \[\leadsto \color{blue}{\left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right)} \]

   4. Taylor expanded in y around 0 91.6%

      \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{\left(3 - x\right) \cdot \left(1 - x\right)}{y}} \]
   5. Step-by-step derivation

      1. associate-/l* 99.6%

         \[\leadsto 0.3333333333333333 \cdot \color{blue}{\frac{3 - x}{\frac{y}{1 - x}}} \]

      2. associate-*r/ 99.7%

         \[\leadsto \color{blue}{\frac{0.3333333333333333 \cdot \left(3 - x\right)}{\frac{y}{1 - x}}} \]

      3. metadata-eval 99.7%

         \[\leadsto \frac{\color{blue}{\frac{1}{3}} \cdot \left(3 - x\right)}{\frac{y}{1 - x}} \]

      4. associate-/r/ 99.7%

         \[\leadsto \frac{\color{blue}{\frac{1}{\frac{3}{3 - x}}}}{\frac{y}{1 - x}} \]

      5. clear-num 99.7%

         \[\leadsto \frac{\color{blue}{\frac{3 - x}{3}}}{\frac{y}{1 - x}} \]

      6. *-un-lft-identity 99.7%

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

      7. associate-*l/ 99.6%

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

      8. clear-num 99.7%

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

      9. clear-num 99.6%

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

      10. div-inv 99.7%

          \[\leadsto \color{blue}{\frac{\frac{1 - x}{y}}{\frac{3}{3 - x}}} \]

      11. associate-/r/ 99.7%

          \[\leadsto \color{blue}{\frac{\frac{1 - x}{y}}{3} \cdot \left(3 - x\right)} \]

      12. associate-*l/ 99.7%

          \[\leadsto \color{blue}{\frac{\frac{1 - x}{y} \cdot \left(3 - x\right)}{3}} \]

   6. Applied egg-rr 99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 - x}{y} \cdot \left(3 - x\right)}{3}} \]

   7. Taylor expanded in x around inf 79.0%

      \[\leadsto \frac{\color{blue}{-4 \cdot \frac{x}{y} + \frac{{x}^{2}}{y}}}{3} \]
   8. Step-by-step derivation

      1. *-commutative 79.0%

         \[\leadsto \frac{\color{blue}{\frac{x}{y} \cdot -4} + \frac{{x}^{2}}{y}}{3} \]

      2. unpow2 79.0%

         \[\leadsto \frac{\frac{x}{y} \cdot -4 + \frac{\color{blue}{x \cdot x}}{y}}{3} \]

      3. associate-*l/ 87.2%

         \[\leadsto \frac{\frac{x}{y} \cdot -4 + \color{blue}{\frac{x}{y} \cdot x}}{3} \]

      4. distribute-lft-out 99.1%

         \[\leadsto \frac{\color{blue}{\frac{x}{y} \cdot \left(-4 + x\right)}}{3} \]

   9. Simplified 99.1%

      \[\leadsto \frac{\color{blue}{\frac{x}{y} \cdot \left(-4 + x\right)}}{3} \]

   if -1.69999999999999996 < x < 1.75

   1. Initial program 99.6%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]

   2. Taylor expanded in x around 0 98.2%

      \[\leadsto \frac{\color{blue}{3 + -4 \cdot x}}{y \cdot 3} \]
   3. Step-by-step derivation

      1. *-commutative 98.2%

         \[\leadsto \frac{3 + \color{blue}{x \cdot -4}}{y \cdot 3} \]

   4. Simplified 98.2%

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

4. Final simplification 98.6%

   \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq -1.7 \lor \neg \left(x \leq 1.75\right):\\ \;\;\;\;\frac{\frac{x}{y} \cdot \left(x + -4\right)}{3}\\ \mathbf{else}:\\ \;\;\;\;\frac{3 + x \cdot -4}{y \cdot 3}\\ \end{array} \]

Alternative 5: 97.6% accurate, 0.8× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq -3.8:\\ \;\;\;\;\frac{0.3333333333333333}{\frac{\frac{y}{x}}{x}}\\ \mathbf{elif}\;x \leq 1.75:\\ \;\;\;\;\frac{1 - x}{y}\\ \mathbf{else}:\\ \;\;\;\;\left(3 - x\right) \cdot \left(\frac{x}{y} \cdot -0.3333333333333333\right)\\ \end{array} \end{array} \]

FPCore

(FPCore (x y)
 :precision binary64
 (if (<= x -3.8)
   (/ 0.3333333333333333 (/ (/ y x) x))
   (if (<= x 1.75)
     (/ (- 1.0 x) y)
     (* (- 3.0 x) (* (/ x y) -0.3333333333333333)))))

C

double code(double x, double y) {
	double tmp;
	if (x <= -3.8) {
		tmp = 0.3333333333333333 / ((y / x) / x);
	} else if (x <= 1.75) {
		tmp = (1.0 - x) / y;
	} else {
		tmp = (3.0 - x) * ((x / y) * -0.3333333333333333);
	}
	return tmp;
}

Fortran

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if (x <= (-3.8d0)) then
        tmp = 0.3333333333333333d0 / ((y / x) / x)
    else if (x <= 1.75d0) then
        tmp = (1.0d0 - x) / y
    else
        tmp = (3.0d0 - x) * ((x / y) * (-0.3333333333333333d0))
    end if
    code = tmp
end function

Java

public static double code(double x, double y) {
	double tmp;
	if (x <= -3.8) {
		tmp = 0.3333333333333333 / ((y / x) / x);
	} else if (x <= 1.75) {
		tmp = (1.0 - x) / y;
	} else {
		tmp = (3.0 - x) * ((x / y) * -0.3333333333333333);
	}
	return tmp;
}

Python

def code(x, y):
	tmp = 0
	if x <= -3.8:
		tmp = 0.3333333333333333 / ((y / x) / x)
	elif x <= 1.75:
		tmp = (1.0 - x) / y
	else:
		tmp = (3.0 - x) * ((x / y) * -0.3333333333333333)
	return tmp

Julia

function code(x, y)
	tmp = 0.0
	if (x <= -3.8)
		tmp = Float64(0.3333333333333333 / Float64(Float64(y / x) / x));
	elseif (x <= 1.75)
		tmp = Float64(Float64(1.0 - x) / y);
	else
		tmp = Float64(Float64(3.0 - x) * Float64(Float64(x / y) * -0.3333333333333333));
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y)
	tmp = 0.0;
	if (x <= -3.8)
		tmp = 0.3333333333333333 / ((y / x) / x);
	elseif (x <= 1.75)
		tmp = (1.0 - x) / y;
	else
		tmp = (3.0 - x) * ((x / y) * -0.3333333333333333);
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_] := If[LessEqual[x, -3.8], N[(0.3333333333333333 / N[(N[(y / x), $MachinePrecision] / x), $MachinePrecision]), $MachinePrecision], If[LessEqual[x, 1.75], N[(N[(1.0 - x), $MachinePrecision] / y), $MachinePrecision], N[(N[(3.0 - x), $MachinePrecision] * N[(N[(x / y), $MachinePrecision] * -0.3333333333333333), $MachinePrecision]), $MachinePrecision]]]

Derivation

1. Split input into 3 regimes

2. if x < -3.7999999999999998

   1. Initial program 91.9%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. *-commutative 91.9%

         \[\leadsto \frac{\color{blue}{\left(3 - x\right) \cdot \left(1 - x\right)}}{y \cdot 3} \]

      2. associate-*r/ 99.8%

         \[\leadsto \color{blue}{\left(3 - x\right) \cdot \frac{1 - x}{y \cdot 3}} \]

      3. associate-/r* 99.7%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{\frac{1 - x}{y}}{3}} \]

      4. associate-/r* 99.8%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{1 - x}{y \cdot 3}} \]

      5. div-sub 99.8%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{1}{y \cdot 3} - \frac{x}{y \cdot 3}\right)} \]

      6. sub-neg 99.8%

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

      7. distribute-frac-neg 99.8%

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

      8. *-lft-identity 99.8%

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

      9. metadata-eval 99.8%

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

      10. times-frac 99.8%

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

      11. neg-mul-1 99.8%

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

      12. remove-double-neg 99.8%

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

      13. *-rgt-identity 99.8%

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

      14. times-frac 99.6%

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

      15. remove-double-neg 99.6%

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

      16. neg-mul-1 99.6%

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

      17. *-commutative 99.6%

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

      18. associate-/l* 99.6%

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

      19. metadata-eval 99.6%

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

      20. /-rgt-identity 99.6%

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

      21. distribute-rgt1-in 99.7%

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

      22. +-commutative 99.7%

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

      23. sub-neg 99.7%

          \[\leadsto \left(3 - x\right) \cdot \left(\color{blue}{\left(1 - x\right)} \cdot \frac{1}{y \cdot 3}\right) \]

      24. *-commutative 99.7%

          \[\leadsto \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{1}{\color{blue}{3 \cdot y}}\right) \]

   3. Simplified 99.6%

      \[\leadsto \color{blue}{\left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right)} \]

   4. Taylor expanded in x around inf 91.5%

      \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{{x}^{2}}{y}} \]
   5. Step-by-step derivation

      1. unpow2 91.5%

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

   6. Simplified 91.5%

      \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{x \cdot x}{y}} \]
   7. Step-by-step derivation

      1. clear-num 91.6%

         \[\leadsto 0.3333333333333333 \cdot \color{blue}{\frac{1}{\frac{y}{x \cdot x}}} \]

      2. un-div-inv 91.6%

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

      3. associate-/r* 99.6%

         \[\leadsto \frac{0.3333333333333333}{\color{blue}{\frac{\frac{y}{x}}{x}}} \]

   8. Applied egg-rr 99.6%

      \[\leadsto \color{blue}{\frac{0.3333333333333333}{\frac{\frac{y}{x}}{x}}} \]

   if -3.7999999999999998 < x < 1.75

   1. Initial program 99.6%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. associate-/l* 99.7%

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

      2. *-commutative 99.7%

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

   3. Simplified 99.7%

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

   4. Taylor expanded in x around 0 97.7%

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

   if 1.75 < x

   1. Initial program 91.3%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. *-commutative 91.3%

         \[\leadsto \frac{\color{blue}{\left(3 - x\right) \cdot \left(1 - x\right)}}{y \cdot 3} \]

      2. associate-*r/ 99.6%

         \[\leadsto \color{blue}{\left(3 - x\right) \cdot \frac{1 - x}{y \cdot 3}} \]

      3. associate-/r* 99.6%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{\frac{1 - x}{y}}{3}} \]

      4. associate-/r* 99.6%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{1 - x}{y \cdot 3}} \]

      5. div-sub 99.5%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{1}{y \cdot 3} - \frac{x}{y \cdot 3}\right)} \]

      6. sub-neg 99.5%

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

      7. distribute-frac-neg 99.5%

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

      8. *-lft-identity 99.5%

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

      9. metadata-eval 99.5%

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

      10. times-frac 99.5%

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

      11. neg-mul-1 99.5%

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

      12. remove-double-neg 99.5%

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

      13. *-rgt-identity 99.5%

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

      14. times-frac 99.5%

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

      15. remove-double-neg 99.5%

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

      16. neg-mul-1 99.5%

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

      17. *-commutative 99.5%

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

      18. associate-/l* 99.5%

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

      19. metadata-eval 99.5%

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

      20. /-rgt-identity 99.5%

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

      21. distribute-rgt1-in 99.5%

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

      22. +-commutative 99.5%

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

      23. sub-neg 99.5%

          \[\leadsto \left(3 - x\right) \cdot \left(\color{blue}{\left(1 - x\right)} \cdot \frac{1}{y \cdot 3}\right) \]

      24. *-commutative 99.5%

          \[\leadsto \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{1}{\color{blue}{3 \cdot y}}\right) \]

   3. Simplified 99.6%

      \[\leadsto \color{blue}{\left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right)} \]

   4. Taylor expanded in x around inf 97.7%

      \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(-0.3333333333333333 \cdot \frac{x}{y}\right)} \]
   5. Step-by-step derivation

      1. *-commutative 97.7%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{x}{y} \cdot -0.3333333333333333\right)} \]

   6. Simplified 97.7%

      \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{x}{y} \cdot -0.3333333333333333\right)} \]
3. Recombined 3 regimes into one program.

4. Final simplification 98.2%

   \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq -3.8:\\ \;\;\;\;\frac{0.3333333333333333}{\frac{\frac{y}{x}}{x}}\\ \mathbf{elif}\;x \leq 1.75:\\ \;\;\;\;\frac{1 - x}{y}\\ \mathbf{else}:\\ \;\;\;\;\left(3 - x\right) \cdot \left(\frac{x}{y} \cdot -0.3333333333333333\right)\\ \end{array} \]

Alternative 6: 97.5% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq -3.8 \lor \neg \left(x \leq 3\right):\\ \;\;\;\;0.3333333333333333 \cdot \left(x \cdot \frac{x}{y}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{1 - x}{y}\\ \end{array} \end{array} \]

FPCore

(FPCore (x y)
 :precision binary64
 (if (or (<= x -3.8) (not (<= x 3.0)))
   (* 0.3333333333333333 (* x (/ x y)))
   (/ (- 1.0 x) y)))

C

double code(double x, double y) {
	double tmp;
	if ((x <= -3.8) || !(x <= 3.0)) {
		tmp = 0.3333333333333333 * (x * (x / y));
	} else {
		tmp = (1.0 - x) / y;
	}
	return tmp;
}

Fortran

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if ((x <= (-3.8d0)) .or. (.not. (x <= 3.0d0))) then
        tmp = 0.3333333333333333d0 * (x * (x / y))
    else
        tmp = (1.0d0 - x) / y
    end if
    code = tmp
end function

Java

public static double code(double x, double y) {
	double tmp;
	if ((x <= -3.8) || !(x <= 3.0)) {
		tmp = 0.3333333333333333 * (x * (x / y));
	} else {
		tmp = (1.0 - x) / y;
	}
	return tmp;
}

Python

def code(x, y):
	tmp = 0
	if (x <= -3.8) or not (x <= 3.0):
		tmp = 0.3333333333333333 * (x * (x / y))
	else:
		tmp = (1.0 - x) / y
	return tmp

Julia

function code(x, y)
	tmp = 0.0
	if ((x <= -3.8) || !(x <= 3.0))
		tmp = Float64(0.3333333333333333 * Float64(x * Float64(x / y)));
	else
		tmp = Float64(Float64(1.0 - x) / y);
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y)
	tmp = 0.0;
	if ((x <= -3.8) || ~((x <= 3.0)))
		tmp = 0.3333333333333333 * (x * (x / y));
	else
		tmp = (1.0 - x) / y;
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_] := If[Or[LessEqual[x, -3.8], N[Not[LessEqual[x, 3.0]], $MachinePrecision]], N[(0.3333333333333333 * N[(x * N[(x / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(1.0 - x), $MachinePrecision] / y), $MachinePrecision]]

Derivation

1. Split input into 2 regimes

2. if x < -3.7999999999999998 or 3 < x

   1. Initial program 91.6%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. *-commutative 91.6%

         \[\leadsto \frac{\color{blue}{\left(3 - x\right) \cdot \left(1 - x\right)}}{y \cdot 3} \]

      2. associate-*r/ 99.7%

         \[\leadsto \color{blue}{\left(3 - x\right) \cdot \frac{1 - x}{y \cdot 3}} \]

      3. associate-/r* 99.7%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{\frac{1 - x}{y}}{3}} \]

      4. associate-/r* 99.7%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{1 - x}{y \cdot 3}} \]

      5. div-sub 99.6%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{1}{y \cdot 3} - \frac{x}{y \cdot 3}\right)} \]

      6. sub-neg 99.6%

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

      7. distribute-frac-neg 99.6%

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

      8. *-lft-identity 99.6%

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

      9. metadata-eval 99.6%

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

      10. times-frac 99.6%

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

      11. neg-mul-1 99.6%

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

      12. remove-double-neg 99.6%

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

      13. *-rgt-identity 99.6%

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

      14. times-frac 99.6%

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

      15. remove-double-neg 99.6%

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

      16. neg-mul-1 99.6%

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

      17. *-commutative 99.6%

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

      18. associate-/l* 99.6%

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

      19. metadata-eval 99.6%

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

      20. /-rgt-identity 99.6%

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

      21. distribute-rgt1-in 99.6%

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

      22. +-commutative 99.6%

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

      23. sub-neg 99.6%

          \[\leadsto \left(3 - x\right) \cdot \left(\color{blue}{\left(1 - x\right)} \cdot \frac{1}{y \cdot 3}\right) \]

      24. *-commutative 99.6%

          \[\leadsto \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{1}{\color{blue}{3 \cdot y}}\right) \]

   3. Simplified 99.6%

      \[\leadsto \color{blue}{\left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right)} \]

   4. Taylor expanded in x around inf 90.4%

      \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{{x}^{2}}{y}} \]
   5. Step-by-step derivation

      1. unpow2 90.4%

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

   6. Simplified 90.4%

      \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{x \cdot x}{y}} \]
   7. Step-by-step derivation

      1. associate-/l* 98.4%

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

      2. associate-/r/ 98.5%

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

   8. Applied egg-rr 98.5%

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

   if -3.7999999999999998 < x < 3

   1. Initial program 99.6%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. associate-/l* 99.7%

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

      2. *-commutative 99.7%

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

   3. Simplified 99.7%

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

   4. Taylor expanded in x around 0 97.7%

      \[\leadsto \frac{1 - x}{\color{blue}{y}} \]
3. Recombined 2 regimes into one program.

4. Final simplification 98.1%

   \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq -3.8 \lor \neg \left(x \leq 3\right):\\ \;\;\;\;0.3333333333333333 \cdot \left(x \cdot \frac{x}{y}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{1 - x}{y}\\ \end{array} \]

Alternative 7: 97.6% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq -3.8 \lor \neg \left(x \leq 3\right):\\ \;\;\;\;\frac{0.3333333333333333}{\frac{\frac{y}{x}}{x}}\\ \mathbf{else}:\\ \;\;\;\;\frac{1 - x}{y}\\ \end{array} \end{array} \]

FPCore

(FPCore (x y)
 :precision binary64
 (if (or (<= x -3.8) (not (<= x 3.0)))
   (/ 0.3333333333333333 (/ (/ y x) x))
   (/ (- 1.0 x) y)))

C

double code(double x, double y) {
	double tmp;
	if ((x <= -3.8) || !(x <= 3.0)) {
		tmp = 0.3333333333333333 / ((y / x) / x);
	} else {
		tmp = (1.0 - x) / y;
	}
	return tmp;
}

Fortran

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if ((x <= (-3.8d0)) .or. (.not. (x <= 3.0d0))) then
        tmp = 0.3333333333333333d0 / ((y / x) / x)
    else
        tmp = (1.0d0 - x) / y
    end if
    code = tmp
end function

Java

public static double code(double x, double y) {
	double tmp;
	if ((x <= -3.8) || !(x <= 3.0)) {
		tmp = 0.3333333333333333 / ((y / x) / x);
	} else {
		tmp = (1.0 - x) / y;
	}
	return tmp;
}

Python

def code(x, y):
	tmp = 0
	if (x <= -3.8) or not (x <= 3.0):
		tmp = 0.3333333333333333 / ((y / x) / x)
	else:
		tmp = (1.0 - x) / y
	return tmp

Julia

function code(x, y)
	tmp = 0.0
	if ((x <= -3.8) || !(x <= 3.0))
		tmp = Float64(0.3333333333333333 / Float64(Float64(y / x) / x));
	else
		tmp = Float64(Float64(1.0 - x) / y);
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y)
	tmp = 0.0;
	if ((x <= -3.8) || ~((x <= 3.0)))
		tmp = 0.3333333333333333 / ((y / x) / x);
	else
		tmp = (1.0 - x) / y;
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_] := If[Or[LessEqual[x, -3.8], N[Not[LessEqual[x, 3.0]], $MachinePrecision]], N[(0.3333333333333333 / N[(N[(y / x), $MachinePrecision] / x), $MachinePrecision]), $MachinePrecision], N[(N[(1.0 - x), $MachinePrecision] / y), $MachinePrecision]]

Derivation

1. Split input into 2 regimes

2. if x < -3.7999999999999998 or 3 < x

   1. Initial program 91.6%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. *-commutative 91.6%

         \[\leadsto \frac{\color{blue}{\left(3 - x\right) \cdot \left(1 - x\right)}}{y \cdot 3} \]

      2. associate-*r/ 99.7%

         \[\leadsto \color{blue}{\left(3 - x\right) \cdot \frac{1 - x}{y \cdot 3}} \]

      3. associate-/r* 99.7%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{\frac{1 - x}{y}}{3}} \]

      4. associate-/r* 99.7%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{1 - x}{y \cdot 3}} \]

      5. div-sub 99.6%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{1}{y \cdot 3} - \frac{x}{y \cdot 3}\right)} \]

      6. sub-neg 99.6%

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

      7. distribute-frac-neg 99.6%

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

      8. *-lft-identity 99.6%

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

      9. metadata-eval 99.6%

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

      10. times-frac 99.6%

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

      11. neg-mul-1 99.6%

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

      12. remove-double-neg 99.6%

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

      13. *-rgt-identity 99.6%

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

      14. times-frac 99.6%

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

      15. remove-double-neg 99.6%

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

      16. neg-mul-1 99.6%

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

      17. *-commutative 99.6%

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

      18. associate-/l* 99.6%

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

      19. metadata-eval 99.6%

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

      20. /-rgt-identity 99.6%

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

      21. distribute-rgt1-in 99.6%

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

      22. +-commutative 99.6%

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

      23. sub-neg 99.6%

          \[\leadsto \left(3 - x\right) \cdot \left(\color{blue}{\left(1 - x\right)} \cdot \frac{1}{y \cdot 3}\right) \]

      24. *-commutative 99.6%

          \[\leadsto \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{1}{\color{blue}{3 \cdot y}}\right) \]

   3. Simplified 99.6%

      \[\leadsto \color{blue}{\left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right)} \]

   4. Taylor expanded in x around inf 90.4%

      \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{{x}^{2}}{y}} \]
   5. Step-by-step derivation

      1. unpow2 90.4%

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

   6. Simplified 90.4%

      \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{x \cdot x}{y}} \]
   7. Step-by-step derivation

      1. clear-num 90.3%

         \[\leadsto 0.3333333333333333 \cdot \color{blue}{\frac{1}{\frac{y}{x \cdot x}}} \]

      2. un-div-inv 90.4%

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

      3. associate-/r* 98.6%

         \[\leadsto \frac{0.3333333333333333}{\color{blue}{\frac{\frac{y}{x}}{x}}} \]

   8. Applied egg-rr 98.6%

      \[\leadsto \color{blue}{\frac{0.3333333333333333}{\frac{\frac{y}{x}}{x}}} \]

   if -3.7999999999999998 < x < 3

   1. Initial program 99.6%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. associate-/l* 99.7%

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

      2. *-commutative 99.7%

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

   3. Simplified 99.7%

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

   4. Taylor expanded in x around 0 97.7%

      \[\leadsto \frac{1 - x}{\color{blue}{y}} \]
3. Recombined 2 regimes into one program.

4. Final simplification 98.2%

   \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq -3.8 \lor \neg \left(x \leq 3\right):\\ \;\;\;\;\frac{0.3333333333333333}{\frac{\frac{y}{x}}{x}}\\ \mathbf{else}:\\ \;\;\;\;\frac{1 - x}{y}\\ \end{array} \]

Alternative 8: 97.5% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq -3.8:\\ \;\;\;\;0.3333333333333333 \cdot \left(x \cdot \frac{x}{y}\right)\\ \mathbf{elif}\;x \leq 3:\\ \;\;\;\;\frac{1 - x}{y}\\ \mathbf{else}:\\ \;\;\;\;x \cdot \frac{x \cdot 0.3333333333333333}{y}\\ \end{array} \end{array} \]

FPCore

(FPCore (x y)
 :precision binary64
 (if (<= x -3.8)
   (* 0.3333333333333333 (* x (/ x y)))
   (if (<= x 3.0) (/ (- 1.0 x) y) (* x (/ (* x 0.3333333333333333) y)))))

C

double code(double x, double y) {
	double tmp;
	if (x <= -3.8) {
		tmp = 0.3333333333333333 * (x * (x / y));
	} else if (x <= 3.0) {
		tmp = (1.0 - x) / y;
	} else {
		tmp = x * ((x * 0.3333333333333333) / y);
	}
	return tmp;
}

Fortran

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if (x <= (-3.8d0)) then
        tmp = 0.3333333333333333d0 * (x * (x / y))
    else if (x <= 3.0d0) then
        tmp = (1.0d0 - x) / y
    else
        tmp = x * ((x * 0.3333333333333333d0) / y)
    end if
    code = tmp
end function

Java

public static double code(double x, double y) {
	double tmp;
	if (x <= -3.8) {
		tmp = 0.3333333333333333 * (x * (x / y));
	} else if (x <= 3.0) {
		tmp = (1.0 - x) / y;
	} else {
		tmp = x * ((x * 0.3333333333333333) / y);
	}
	return tmp;
}

Python

def code(x, y):
	tmp = 0
	if x <= -3.8:
		tmp = 0.3333333333333333 * (x * (x / y))
	elif x <= 3.0:
		tmp = (1.0 - x) / y
	else:
		tmp = x * ((x * 0.3333333333333333) / y)
	return tmp

Julia

function code(x, y)
	tmp = 0.0
	if (x <= -3.8)
		tmp = Float64(0.3333333333333333 * Float64(x * Float64(x / y)));
	elseif (x <= 3.0)
		tmp = Float64(Float64(1.0 - x) / y);
	else
		tmp = Float64(x * Float64(Float64(x * 0.3333333333333333) / y));
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y)
	tmp = 0.0;
	if (x <= -3.8)
		tmp = 0.3333333333333333 * (x * (x / y));
	elseif (x <= 3.0)
		tmp = (1.0 - x) / y;
	else
		tmp = x * ((x * 0.3333333333333333) / y);
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_] := If[LessEqual[x, -3.8], N[(0.3333333333333333 * N[(x * N[(x / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[x, 3.0], N[(N[(1.0 - x), $MachinePrecision] / y), $MachinePrecision], N[(x * N[(N[(x * 0.3333333333333333), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision]]]

Derivation

1. Split input into 3 regimes

2. if x < -3.7999999999999998

   1. Initial program 91.9%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. *-commutative 91.9%

         \[\leadsto \frac{\color{blue}{\left(3 - x\right) \cdot \left(1 - x\right)}}{y \cdot 3} \]

      2. associate-*r/ 99.8%

         \[\leadsto \color{blue}{\left(3 - x\right) \cdot \frac{1 - x}{y \cdot 3}} \]

      3. associate-/r* 99.7%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{\frac{1 - x}{y}}{3}} \]

      4. associate-/r* 99.8%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{1 - x}{y \cdot 3}} \]

      5. div-sub 99.8%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{1}{y \cdot 3} - \frac{x}{y \cdot 3}\right)} \]

      6. sub-neg 99.8%

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

      7. distribute-frac-neg 99.8%

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

      8. *-lft-identity 99.8%

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

      9. metadata-eval 99.8%

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

      10. times-frac 99.8%

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

      11. neg-mul-1 99.8%

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

      12. remove-double-neg 99.8%

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

      13. *-rgt-identity 99.8%

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

      14. times-frac 99.6%

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

      15. remove-double-neg 99.6%

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

      16. neg-mul-1 99.6%

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

      17. *-commutative 99.6%

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

      18. associate-/l* 99.6%

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

      19. metadata-eval 99.6%

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

      20. /-rgt-identity 99.6%

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

      21. distribute-rgt1-in 99.7%

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

      22. +-commutative 99.7%

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

      23. sub-neg 99.7%

          \[\leadsto \left(3 - x\right) \cdot \left(\color{blue}{\left(1 - x\right)} \cdot \frac{1}{y \cdot 3}\right) \]

      24. *-commutative 99.7%

          \[\leadsto \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{1}{\color{blue}{3 \cdot y}}\right) \]

   3. Simplified 99.6%

      \[\leadsto \color{blue}{\left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right)} \]

   4. Taylor expanded in x around inf 91.5%

      \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{{x}^{2}}{y}} \]
   5. Step-by-step derivation

      1. unpow2 91.5%

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

   6. Simplified 91.5%

      \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{x \cdot x}{y}} \]
   7. Step-by-step derivation

      1. associate-/l* 99.5%

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

      2. associate-/r/ 99.5%

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

   8. Applied egg-rr 99.5%

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

   if -3.7999999999999998 < x < 3

   1. Initial program 99.6%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. associate-/l* 99.7%

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

      2. *-commutative 99.7%

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

   3. Simplified 99.7%

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

   4. Taylor expanded in x around 0 97.7%

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

   if 3 < x

   1. Initial program 91.3%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. *-commutative 91.3%

         \[\leadsto \frac{\color{blue}{\left(3 - x\right) \cdot \left(1 - x\right)}}{y \cdot 3} \]

      2. associate-*r/ 99.6%

         \[\leadsto \color{blue}{\left(3 - x\right) \cdot \frac{1 - x}{y \cdot 3}} \]

      3. associate-/r* 99.6%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{\frac{1 - x}{y}}{3}} \]

      4. associate-/r* 99.6%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{1 - x}{y \cdot 3}} \]

      5. div-sub 99.5%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{1}{y \cdot 3} - \frac{x}{y \cdot 3}\right)} \]

      6. sub-neg 99.5%

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

      7. distribute-frac-neg 99.5%

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

      8. *-lft-identity 99.5%

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

      9. metadata-eval 99.5%

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

      10. times-frac 99.5%

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

      11. neg-mul-1 99.5%

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

      12. remove-double-neg 99.5%

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

      13. *-rgt-identity 99.5%

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

      14. times-frac 99.5%

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

      15. remove-double-neg 99.5%

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

      16. neg-mul-1 99.5%

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

      17. *-commutative 99.5%

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

      18. associate-/l* 99.5%

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

      19. metadata-eval 99.5%

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

      20. /-rgt-identity 99.5%

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

      21. distribute-rgt1-in 99.5%

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

      22. +-commutative 99.5%

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

      23. sub-neg 99.5%

          \[\leadsto \left(3 - x\right) \cdot \left(\color{blue}{\left(1 - x\right)} \cdot \frac{1}{y \cdot 3}\right) \]

      24. *-commutative 99.5%

          \[\leadsto \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{1}{\color{blue}{3 \cdot y}}\right) \]

   3. Simplified 99.6%

      \[\leadsto \color{blue}{\left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right)} \]
   4. Step-by-step derivation

      1. associate-*r* 91.5%

         \[\leadsto \color{blue}{\left(\left(3 - x\right) \cdot \left(1 - x\right)\right) \cdot \frac{0.3333333333333333}{y}} \]

      2. *-commutative 91.5%

         \[\leadsto \color{blue}{\left(\left(1 - x\right) \cdot \left(3 - x\right)\right)} \cdot \frac{0.3333333333333333}{y} \]

      3. associate-*r/ 91.4%

         \[\leadsto \color{blue}{\frac{\left(\left(1 - x\right) \cdot \left(3 - x\right)\right) \cdot 0.3333333333333333}{y}} \]

      4. associate-*r* 91.4%

         \[\leadsto \frac{\color{blue}{\left(1 - x\right) \cdot \left(\left(3 - x\right) \cdot 0.3333333333333333\right)}}{y} \]

      5. metadata-eval 91.4%

         \[\leadsto \frac{\left(1 - x\right) \cdot \left(\left(3 - x\right) \cdot \color{blue}{\frac{1}{3}}\right)}{y} \]

      6. div-inv 91.3%

         \[\leadsto \frac{\left(1 - x\right) \cdot \color{blue}{\frac{3 - x}{3}}}{y} \]

      7. associate-*l/ 99.7%

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

      8. clear-num 99.7%

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

      9. un-div-inv 99.7%

         \[\leadsto \color{blue}{\frac{\frac{1 - x}{y}}{\frac{3}{3 - x}}} \]

   5. Applied egg-rr 99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 - x}{y}}{\frac{3}{3 - x}}} \]

   6. Taylor expanded in x around inf 89.4%

      \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{{x}^{2}}{y}} \]
   7. Step-by-step derivation

      1. unpow2 89.4%

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

      2. associate-*r/ 89.3%

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

      3. associate-*l* 89.4%

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

      4. associate-*l/ 97.6%

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

      5. *-commutative 97.6%

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

   8. Simplified 97.6%

      \[\leadsto \color{blue}{\frac{x \cdot 0.3333333333333333}{y} \cdot x} \]
3. Recombined 3 regimes into one program.

4. Final simplification 98.1%

   \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq -3.8:\\ \;\;\;\;0.3333333333333333 \cdot \left(x \cdot \frac{x}{y}\right)\\ \mathbf{elif}\;x \leq 3:\\ \;\;\;\;\frac{1 - x}{y}\\ \mathbf{else}:\\ \;\;\;\;x \cdot \frac{x \cdot 0.3333333333333333}{y}\\ \end{array} \]

Alternative 9: 97.6% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq -3.8:\\ \;\;\;\;\frac{0.3333333333333333}{\frac{\frac{y}{x}}{x}}\\ \mathbf{elif}\;x \leq 3:\\ \;\;\;\;\frac{1 - x}{y}\\ \mathbf{else}:\\ \;\;\;\;\frac{x \cdot \frac{x}{y}}{3}\\ \end{array} \end{array} \]

FPCore

(FPCore (x y)
 :precision binary64
 (if (<= x -3.8)
   (/ 0.3333333333333333 (/ (/ y x) x))
   (if (<= x 3.0) (/ (- 1.0 x) y) (/ (* x (/ x y)) 3.0))))

C

double code(double x, double y) {
	double tmp;
	if (x <= -3.8) {
		tmp = 0.3333333333333333 / ((y / x) / x);
	} else if (x <= 3.0) {
		tmp = (1.0 - x) / y;
	} else {
		tmp = (x * (x / y)) / 3.0;
	}
	return tmp;
}

Fortran

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if (x <= (-3.8d0)) then
        tmp = 0.3333333333333333d0 / ((y / x) / x)
    else if (x <= 3.0d0) then
        tmp = (1.0d0 - x) / y
    else
        tmp = (x * (x / y)) / 3.0d0
    end if
    code = tmp
end function

Java

public static double code(double x, double y) {
	double tmp;
	if (x <= -3.8) {
		tmp = 0.3333333333333333 / ((y / x) / x);
	} else if (x <= 3.0) {
		tmp = (1.0 - x) / y;
	} else {
		tmp = (x * (x / y)) / 3.0;
	}
	return tmp;
}

Python

def code(x, y):
	tmp = 0
	if x <= -3.8:
		tmp = 0.3333333333333333 / ((y / x) / x)
	elif x <= 3.0:
		tmp = (1.0 - x) / y
	else:
		tmp = (x * (x / y)) / 3.0
	return tmp

Julia

function code(x, y)
	tmp = 0.0
	if (x <= -3.8)
		tmp = Float64(0.3333333333333333 / Float64(Float64(y / x) / x));
	elseif (x <= 3.0)
		tmp = Float64(Float64(1.0 - x) / y);
	else
		tmp = Float64(Float64(x * Float64(x / y)) / 3.0);
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y)
	tmp = 0.0;
	if (x <= -3.8)
		tmp = 0.3333333333333333 / ((y / x) / x);
	elseif (x <= 3.0)
		tmp = (1.0 - x) / y;
	else
		tmp = (x * (x / y)) / 3.0;
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_] := If[LessEqual[x, -3.8], N[(0.3333333333333333 / N[(N[(y / x), $MachinePrecision] / x), $MachinePrecision]), $MachinePrecision], If[LessEqual[x, 3.0], N[(N[(1.0 - x), $MachinePrecision] / y), $MachinePrecision], N[(N[(x * N[(x / y), $MachinePrecision]), $MachinePrecision] / 3.0), $MachinePrecision]]]

Derivation

1. Split input into 3 regimes

2. if x < -3.7999999999999998

   1. Initial program 91.9%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. *-commutative 91.9%

         \[\leadsto \frac{\color{blue}{\left(3 - x\right) \cdot \left(1 - x\right)}}{y \cdot 3} \]

      2. associate-*r/ 99.8%

         \[\leadsto \color{blue}{\left(3 - x\right) \cdot \frac{1 - x}{y \cdot 3}} \]

      3. associate-/r* 99.7%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{\frac{1 - x}{y}}{3}} \]

      4. associate-/r* 99.8%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{1 - x}{y \cdot 3}} \]

      5. div-sub 99.8%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{1}{y \cdot 3} - \frac{x}{y \cdot 3}\right)} \]

      6. sub-neg 99.8%

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

      7. distribute-frac-neg 99.8%

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

      8. *-lft-identity 99.8%

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

      9. metadata-eval 99.8%

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

      10. times-frac 99.8%

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

      11. neg-mul-1 99.8%

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

      12. remove-double-neg 99.8%

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

      13. *-rgt-identity 99.8%

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

      14. times-frac 99.6%

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

      15. remove-double-neg 99.6%

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

      16. neg-mul-1 99.6%

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

      17. *-commutative 99.6%

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

      18. associate-/l* 99.6%

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

      19. metadata-eval 99.6%

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

      20. /-rgt-identity 99.6%

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

      21. distribute-rgt1-in 99.7%

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

      22. +-commutative 99.7%

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

      23. sub-neg 99.7%

          \[\leadsto \left(3 - x\right) \cdot \left(\color{blue}{\left(1 - x\right)} \cdot \frac{1}{y \cdot 3}\right) \]

      24. *-commutative 99.7%

          \[\leadsto \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{1}{\color{blue}{3 \cdot y}}\right) \]

   3. Simplified 99.6%

      \[\leadsto \color{blue}{\left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right)} \]

   4. Taylor expanded in x around inf 91.5%

      \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{{x}^{2}}{y}} \]
   5. Step-by-step derivation

      1. unpow2 91.5%

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

   6. Simplified 91.5%

      \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{x \cdot x}{y}} \]
   7. Step-by-step derivation

      1. clear-num 91.6%

         \[\leadsto 0.3333333333333333 \cdot \color{blue}{\frac{1}{\frac{y}{x \cdot x}}} \]

      2. un-div-inv 91.6%

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

      3. associate-/r* 99.6%

         \[\leadsto \frac{0.3333333333333333}{\color{blue}{\frac{\frac{y}{x}}{x}}} \]

   8. Applied egg-rr 99.6%

      \[\leadsto \color{blue}{\frac{0.3333333333333333}{\frac{\frac{y}{x}}{x}}} \]

   if -3.7999999999999998 < x < 3

   1. Initial program 99.6%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. associate-/l* 99.7%

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

      2. *-commutative 99.7%

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

   3. Simplified 99.7%

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

   4. Taylor expanded in x around 0 97.7%

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

   if 3 < x

   1. Initial program 91.3%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. *-commutative 91.3%

         \[\leadsto \frac{\color{blue}{\left(3 - x\right) \cdot \left(1 - x\right)}}{y \cdot 3} \]

      2. associate-*r/ 99.6%

         \[\leadsto \color{blue}{\left(3 - x\right) \cdot \frac{1 - x}{y \cdot 3}} \]

      3. associate-/r* 99.6%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{\frac{1 - x}{y}}{3}} \]

      4. associate-/r* 99.6%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{1 - x}{y \cdot 3}} \]

      5. div-sub 99.5%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{1}{y \cdot 3} - \frac{x}{y \cdot 3}\right)} \]

      6. sub-neg 99.5%

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

      7. distribute-frac-neg 99.5%

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

      8. *-lft-identity 99.5%

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

      9. metadata-eval 99.5%

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

      10. times-frac 99.5%

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

      11. neg-mul-1 99.5%

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

      12. remove-double-neg 99.5%

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

      13. *-rgt-identity 99.5%

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

      14. times-frac 99.5%

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

      15. remove-double-neg 99.5%

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

      16. neg-mul-1 99.5%

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

      17. *-commutative 99.5%

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

      18. associate-/l* 99.5%

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

      19. metadata-eval 99.5%

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

      20. /-rgt-identity 99.5%

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

      21. distribute-rgt1-in 99.5%

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

      22. +-commutative 99.5%

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

      23. sub-neg 99.5%

          \[\leadsto \left(3 - x\right) \cdot \left(\color{blue}{\left(1 - x\right)} \cdot \frac{1}{y \cdot 3}\right) \]

      24. *-commutative 99.5%

          \[\leadsto \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{1}{\color{blue}{3 \cdot y}}\right) \]

   3. Simplified 99.6%

      \[\leadsto \color{blue}{\left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right)} \]

   4. Taylor expanded in y around 0 91.4%

      \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{\left(3 - x\right) \cdot \left(1 - x\right)}{y}} \]
   5. Step-by-step derivation

      1. associate-/l* 99.5%

         \[\leadsto 0.3333333333333333 \cdot \color{blue}{\frac{3 - x}{\frac{y}{1 - x}}} \]

      2. associate-*r/ 99.7%

         \[\leadsto \color{blue}{\frac{0.3333333333333333 \cdot \left(3 - x\right)}{\frac{y}{1 - x}}} \]

      3. metadata-eval 99.7%

         \[\leadsto \frac{\color{blue}{\frac{1}{3}} \cdot \left(3 - x\right)}{\frac{y}{1 - x}} \]

      4. associate-/r/ 99.8%

         \[\leadsto \frac{\color{blue}{\frac{1}{\frac{3}{3 - x}}}}{\frac{y}{1 - x}} \]

      5. clear-num 99.7%

         \[\leadsto \frac{\color{blue}{\frac{3 - x}{3}}}{\frac{y}{1 - x}} \]

      6. *-un-lft-identity 99.7%

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

      7. associate-*l/ 99.6%

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

      8. clear-num 99.7%

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

      9. clear-num 99.7%

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

      10. div-inv 99.7%

          \[\leadsto \color{blue}{\frac{\frac{1 - x}{y}}{\frac{3}{3 - x}}} \]

      11. associate-/r/ 99.6%

          \[\leadsto \color{blue}{\frac{\frac{1 - x}{y}}{3} \cdot \left(3 - x\right)} \]

      12. associate-*l/ 99.7%

          \[\leadsto \color{blue}{\frac{\frac{1 - x}{y} \cdot \left(3 - x\right)}{3}} \]

   6. Applied egg-rr 99.7%

      \[\leadsto \color{blue}{\frac{\frac{1 - x}{y} \cdot \left(3 - x\right)}{3}} \]

   7. Taylor expanded in x around inf 89.4%

      \[\leadsto \frac{\color{blue}{\frac{{x}^{2}}{y}}}{3} \]
   8. Step-by-step derivation

      1. unpow2 89.4%

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

      2. associate-*l/ 97.7%

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

   9. Simplified 97.7%

      \[\leadsto \frac{\color{blue}{\frac{x}{y} \cdot x}}{3} \]
3. Recombined 3 regimes into one program.

4. Final simplification 98.2%

   \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq -3.8:\\ \;\;\;\;\frac{0.3333333333333333}{\frac{\frac{y}{x}}{x}}\\ \mathbf{elif}\;x \leq 3:\\ \;\;\;\;\frac{1 - x}{y}\\ \mathbf{else}:\\ \;\;\;\;\frac{x \cdot \frac{x}{y}}{3}\\ \end{array} \]

Alternative 10: 99.5% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right) \end{array} \]

FPCore

(FPCore (x y)
 :precision binary64
 (* (- 3.0 x) (* (- 1.0 x) (/ 0.3333333333333333 y))))

C

double code(double x, double y) {
	return (3.0 - x) * ((1.0 - x) * (0.3333333333333333 / y));
}

Fortran

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = (3.0d0 - x) * ((1.0d0 - x) * (0.3333333333333333d0 / y))
end function

Java

public static double code(double x, double y) {
	return (3.0 - x) * ((1.0 - x) * (0.3333333333333333 / y));
}

Python

def code(x, y):
	return (3.0 - x) * ((1.0 - x) * (0.3333333333333333 / y))

Julia

function code(x, y)
	return Float64(Float64(3.0 - x) * Float64(Float64(1.0 - x) * Float64(0.3333333333333333 / y)))
end

MATLAB

function tmp = code(x, y)
	tmp = (3.0 - x) * ((1.0 - x) * (0.3333333333333333 / y));
end

Wolfram

code[x_, y_] := N[(N[(3.0 - x), $MachinePrecision] * N[(N[(1.0 - x), $MachinePrecision] * N[(0.3333333333333333 / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]

Derivation

1. Initial program 95.7%

   \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
2. Step-by-step derivation

   1. *-commutative 95.7%

      \[\leadsto \frac{\color{blue}{\left(3 - x\right) \cdot \left(1 - x\right)}}{y \cdot 3} \]

   2. associate-*r/ 99.5%

      \[\leadsto \color{blue}{\left(3 - x\right) \cdot \frac{1 - x}{y \cdot 3}} \]

   3. associate-/r* 99.7%

      \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{\frac{1 - x}{y}}{3}} \]

   4. associate-/r* 99.5%

      \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{1 - x}{y \cdot 3}} \]

   5. div-sub 99.5%

      \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{1}{y \cdot 3} - \frac{x}{y \cdot 3}\right)} \]

   6. sub-neg 99.5%

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

   7. distribute-frac-neg 99.5%

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

   8. *-lft-identity 99.5%

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

   9. metadata-eval 99.5%

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

   10. times-frac 99.5%

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

   11. neg-mul-1 99.5%

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

   12. remove-double-neg 99.5%

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

   13. *-rgt-identity 99.5%

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

   14. times-frac 99.5%

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

   15. remove-double-neg 99.5%

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

   16. neg-mul-1 99.5%

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

   17. *-commutative 99.5%

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

   18. associate-/l* 99.5%

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

   19. metadata-eval 99.5%

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

   20. /-rgt-identity 99.5%

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

   21. distribute-rgt1-in 99.5%

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

   22. +-commutative 99.5%

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

   23. sub-neg 99.5%

       \[\leadsto \left(3 - x\right) \cdot \left(\color{blue}{\left(1 - x\right)} \cdot \frac{1}{y \cdot 3}\right) \]

   24. *-commutative 99.5%

       \[\leadsto \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{1}{\color{blue}{3 \cdot y}}\right) \]

3. Simplified 99.5%

   \[\leadsto \color{blue}{\left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right)} \]

4. Final simplification 99.5%

   \[\leadsto \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right) \]

Alternative 11: 99.8% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ \frac{1 - x}{y} \cdot \frac{3 - x}{3} \end{array} \]

FPCore

(FPCore (x y) :precision binary64 (* (/ (- 1.0 x) y) (/ (- 3.0 x) 3.0)))

C

double code(double x, double y) {
	return ((1.0 - x) / y) * ((3.0 - x) / 3.0);
}

Fortran

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = ((1.0d0 - x) / y) * ((3.0d0 - x) / 3.0d0)
end function

Java

public static double code(double x, double y) {
	return ((1.0 - x) / y) * ((3.0 - x) / 3.0);
}

Python

def code(x, y):
	return ((1.0 - x) / y) * ((3.0 - x) / 3.0)

Julia

function code(x, y)
	return Float64(Float64(Float64(1.0 - x) / y) * Float64(Float64(3.0 - x) / 3.0))
end

MATLAB

function tmp = code(x, y)
	tmp = ((1.0 - x) / y) * ((3.0 - x) / 3.0);
end

Wolfram

code[x_, y_] := N[(N[(N[(1.0 - x), $MachinePrecision] / y), $MachinePrecision] * N[(N[(3.0 - x), $MachinePrecision] / 3.0), $MachinePrecision]), $MachinePrecision]

Derivation

1. Initial program 95.7%

   \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
2. Step-by-step derivation

   1. times-frac 99.8%

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

3. Simplified 99.8%

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

4. Final simplification 99.8%

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

Alternative 12: 56.7% accurate, 1.6× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq -0.75:\\ \;\;\;\;\frac{x}{y} \cdot -1.3333333333333333\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{y}\\ \end{array} \end{array} \]

FPCore

(FPCore (x y)
 :precision binary64
 (if (<= x -0.75) (* (/ x y) -1.3333333333333333) (/ 1.0 y)))

C

double code(double x, double y) {
	double tmp;
	if (x <= -0.75) {
		tmp = (x / y) * -1.3333333333333333;
	} else {
		tmp = 1.0 / y;
	}
	return tmp;
}

Fortran

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if (x <= (-0.75d0)) then
        tmp = (x / y) * (-1.3333333333333333d0)
    else
        tmp = 1.0d0 / y
    end if
    code = tmp
end function

Java

public static double code(double x, double y) {
	double tmp;
	if (x <= -0.75) {
		tmp = (x / y) * -1.3333333333333333;
	} else {
		tmp = 1.0 / y;
	}
	return tmp;
}

Python

def code(x, y):
	tmp = 0
	if x <= -0.75:
		tmp = (x / y) * -1.3333333333333333
	else:
		tmp = 1.0 / y
	return tmp

Julia

function code(x, y)
	tmp = 0.0
	if (x <= -0.75)
		tmp = Float64(Float64(x / y) * -1.3333333333333333);
	else
		tmp = Float64(1.0 / y);
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y)
	tmp = 0.0;
	if (x <= -0.75)
		tmp = (x / y) * -1.3333333333333333;
	else
		tmp = 1.0 / y;
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_] := If[LessEqual[x, -0.75], N[(N[(x / y), $MachinePrecision] * -1.3333333333333333), $MachinePrecision], N[(1.0 / y), $MachinePrecision]]

Derivation

1. Split input into 2 regimes

2. if x < -0.75

   1. Initial program 91.9%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]

   2. Taylor expanded in x around 0 33.0%

      \[\leadsto \frac{\color{blue}{3 + -4 \cdot x}}{y \cdot 3} \]
   3. Step-by-step derivation

      1. *-commutative 33.0%

         \[\leadsto \frac{3 + \color{blue}{x \cdot -4}}{y \cdot 3} \]

   4. Simplified 33.0%

      \[\leadsto \frac{\color{blue}{3 + x \cdot -4}}{y \cdot 3} \]

   5. Taylor expanded in x around inf 33.0%

      \[\leadsto \color{blue}{-1.3333333333333333 \cdot \frac{x}{y}} \]

   if -0.75 < x

   1. Initial program 96.8%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. *-commutative 96.8%

         \[\leadsto \frac{\color{blue}{\left(3 - x\right) \cdot \left(1 - x\right)}}{y \cdot 3} \]

      2. associate-*r/ 99.4%

         \[\leadsto \color{blue}{\left(3 - x\right) \cdot \frac{1 - x}{y \cdot 3}} \]

      3. associate-/r* 99.7%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{\frac{1 - x}{y}}{3}} \]

      4. associate-/r* 99.4%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{1 - x}{y \cdot 3}} \]

      5. div-sub 99.4%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{1}{y \cdot 3} - \frac{x}{y \cdot 3}\right)} \]

      6. sub-neg 99.4%

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

      7. distribute-frac-neg 99.4%

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

      8. *-lft-identity 99.4%

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

      9. metadata-eval 99.4%

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

      10. times-frac 99.4%

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

      11. neg-mul-1 99.4%

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

      12. remove-double-neg 99.4%

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

      13. *-rgt-identity 99.4%

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

      14. times-frac 99.4%

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

      15. remove-double-neg 99.4%

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

      16. neg-mul-1 99.4%

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

      17. *-commutative 99.4%

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

      18. associate-/l* 99.4%

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

      19. metadata-eval 99.4%

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

      20. /-rgt-identity 99.4%

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

      21. distribute-rgt1-in 99.4%

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

      22. +-commutative 99.4%

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

      23. sub-neg 99.4%

          \[\leadsto \left(3 - x\right) \cdot \left(\color{blue}{\left(1 - x\right)} \cdot \frac{1}{y \cdot 3}\right) \]

      24. *-commutative 99.4%

          \[\leadsto \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{1}{\color{blue}{3 \cdot y}}\right) \]

   3. Simplified 99.5%

      \[\leadsto \color{blue}{\left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right)} \]

   4. Taylor expanded in x around 0 66.2%

      \[\leadsto \color{blue}{\frac{1}{y}} \]
3. Recombined 2 regimes into one program.

4. Final simplification 58.5%

   \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq -0.75:\\ \;\;\;\;\frac{x}{y} \cdot -1.3333333333333333\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{y}\\ \end{array} \]

Alternative 13: 56.7% accurate, 1.8× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq -1:\\ \;\;\;\;\frac{-x}{y}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{y}\\ \end{array} \end{array} \]

FPCore

(FPCore (x y) :precision binary64 (if (<= x -1.0) (/ (- x) y) (/ 1.0 y)))

C

double code(double x, double y) {
	double tmp;
	if (x <= -1.0) {
		tmp = -x / y;
	} else {
		tmp = 1.0 / y;
	}
	return tmp;
}

Fortran

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if (x <= (-1.0d0)) then
        tmp = -x / y
    else
        tmp = 1.0d0 / y
    end if
    code = tmp
end function

Java

public static double code(double x, double y) {
	double tmp;
	if (x <= -1.0) {
		tmp = -x / y;
	} else {
		tmp = 1.0 / y;
	}
	return tmp;
}

Python

def code(x, y):
	tmp = 0
	if x <= -1.0:
		tmp = -x / y
	else:
		tmp = 1.0 / y
	return tmp

Julia

function code(x, y)
	tmp = 0.0
	if (x <= -1.0)
		tmp = Float64(Float64(-x) / y);
	else
		tmp = Float64(1.0 / y);
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y)
	tmp = 0.0;
	if (x <= -1.0)
		tmp = -x / y;
	else
		tmp = 1.0 / y;
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_] := If[LessEqual[x, -1.0], N[((-x) / y), $MachinePrecision], N[(1.0 / y), $MachinePrecision]]

Derivation

1. Split input into 2 regimes

2. if x < -1

   1. Initial program 91.9%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. associate-/l* 99.8%

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

      2. *-commutative 99.8%

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

   3. Simplified 99.8%

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

   4. Taylor expanded in x around 0 33.0%

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

   5. Taylor expanded in x around inf 33.0%

      \[\leadsto \color{blue}{-1 \cdot \frac{x}{y}} \]
   6. Step-by-step derivation

      1. neg-mul-1 33.0%

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

      2. distribute-neg-frac 33.0%

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

   7. Simplified 33.0%

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

   if -1 < x

   1. Initial program 96.8%

      \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
   2. Step-by-step derivation

      1. *-commutative 96.8%

         \[\leadsto \frac{\color{blue}{\left(3 - x\right) \cdot \left(1 - x\right)}}{y \cdot 3} \]

      2. associate-*r/ 99.4%

         \[\leadsto \color{blue}{\left(3 - x\right) \cdot \frac{1 - x}{y \cdot 3}} \]

      3. associate-/r* 99.7%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{\frac{1 - x}{y}}{3}} \]

      4. associate-/r* 99.4%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{1 - x}{y \cdot 3}} \]

      5. div-sub 99.4%

         \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{1}{y \cdot 3} - \frac{x}{y \cdot 3}\right)} \]

      6. sub-neg 99.4%

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

      7. distribute-frac-neg 99.4%

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

      8. *-lft-identity 99.4%

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

      9. metadata-eval 99.4%

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

      10. times-frac 99.4%

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

      11. neg-mul-1 99.4%

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

      12. remove-double-neg 99.4%

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

      13. *-rgt-identity 99.4%

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

      14. times-frac 99.4%

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

      15. remove-double-neg 99.4%

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

      16. neg-mul-1 99.4%

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

      17. *-commutative 99.4%

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

      18. associate-/l* 99.4%

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

      19. metadata-eval 99.4%

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

      20. /-rgt-identity 99.4%

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

      21. distribute-rgt1-in 99.4%

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

      22. +-commutative 99.4%

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

      23. sub-neg 99.4%

          \[\leadsto \left(3 - x\right) \cdot \left(\color{blue}{\left(1 - x\right)} \cdot \frac{1}{y \cdot 3}\right) \]

      24. *-commutative 99.4%

          \[\leadsto \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{1}{\color{blue}{3 \cdot y}}\right) \]

   3. Simplified 99.5%

      \[\leadsto \color{blue}{\left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right)} \]

   4. Taylor expanded in x around 0 66.2%

      \[\leadsto \color{blue}{\frac{1}{y}} \]
3. Recombined 2 regimes into one program.

4. Final simplification 58.5%

   \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq -1:\\ \;\;\;\;\frac{-x}{y}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{y}\\ \end{array} \]

Alternative 14: 55.8% accurate, 2.2× speedup

Math

\[\begin{array}{l} \\ \frac{1 - x}{y} \end{array} \]

FPCore

(FPCore (x y) :precision binary64 (/ (- 1.0 x) y))

C

double code(double x, double y) {
	return (1.0 - x) / y;
}

Fortran

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = (1.0d0 - x) / y
end function

Java

public static double code(double x, double y) {
	return (1.0 - x) / y;
}

Python

def code(x, y):
	return (1.0 - x) / y

Julia

function code(x, y)
	return Float64(Float64(1.0 - x) / y)
end

MATLAB

function tmp = code(x, y)
	tmp = (1.0 - x) / y;
end

Wolfram

code[x_, y_] := N[(N[(1.0 - x), $MachinePrecision] / y), $MachinePrecision]

Derivation

1. Initial program 95.7%

   \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
2. Step-by-step derivation

   1. associate-/l* 99.7%

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

   2. *-commutative 99.7%

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

3. Simplified 99.7%

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

4. Taylor expanded in x around 0 57.5%

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

5. Final simplification 57.5%

   \[\leadsto \frac{1 - x}{y} \]

Alternative 15: 50.9% accurate, 3.7× speedup

Math

\[\begin{array}{l} \\ \frac{1}{y} \end{array} \]

FPCore

(FPCore (x y) :precision binary64 (/ 1.0 y))

C

double code(double x, double y) {
	return 1.0 / y;
}

Fortran

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = 1.0d0 / y
end function

Java

public static double code(double x, double y) {
	return 1.0 / y;
}

Python

def code(x, y):
	return 1.0 / y

Julia

function code(x, y)
	return Float64(1.0 / y)
end

MATLAB

function tmp = code(x, y)
	tmp = 1.0 / y;
end

Wolfram

code[x_, y_] := N[(1.0 / y), $MachinePrecision]

Derivation

1. Initial program 95.7%

   \[\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3} \]
2. Step-by-step derivation

   1. *-commutative 95.7%

      \[\leadsto \frac{\color{blue}{\left(3 - x\right) \cdot \left(1 - x\right)}}{y \cdot 3} \]

   2. associate-*r/ 99.5%

      \[\leadsto \color{blue}{\left(3 - x\right) \cdot \frac{1 - x}{y \cdot 3}} \]

   3. associate-/r* 99.7%

      \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{\frac{1 - x}{y}}{3}} \]

   4. associate-/r* 99.5%

      \[\leadsto \left(3 - x\right) \cdot \color{blue}{\frac{1 - x}{y \cdot 3}} \]

   5. div-sub 99.5%

      \[\leadsto \left(3 - x\right) \cdot \color{blue}{\left(\frac{1}{y \cdot 3} - \frac{x}{y \cdot 3}\right)} \]

   6. sub-neg 99.5%

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

   7. distribute-frac-neg 99.5%

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

   8. *-lft-identity 99.5%

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

   9. metadata-eval 99.5%

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

   10. times-frac 99.5%

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

   11. neg-mul-1 99.5%

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

   12. remove-double-neg 99.5%

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

   13. *-rgt-identity 99.5%

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

   14. times-frac 99.5%

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

   15. remove-double-neg 99.5%

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

   16. neg-mul-1 99.5%

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

   17. *-commutative 99.5%

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

   18. associate-/l* 99.5%

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

   19. metadata-eval 99.5%

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

   20. /-rgt-identity 99.5%

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

   21. distribute-rgt1-in 99.5%

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

   22. +-commutative 99.5%

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

   23. sub-neg 99.5%

       \[\leadsto \left(3 - x\right) \cdot \left(\color{blue}{\left(1 - x\right)} \cdot \frac{1}{y \cdot 3}\right) \]

   24. *-commutative 99.5%

       \[\leadsto \left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{1}{\color{blue}{3 \cdot y}}\right) \]

3. Simplified 99.5%

   \[\leadsto \color{blue}{\left(3 - x\right) \cdot \left(\left(1 - x\right) \cdot \frac{0.3333333333333333}{y}\right)} \]

4. Taylor expanded in x around 0 52.0%

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

5. Final simplification 52.0%

   \[\leadsto \frac{1}{y} \]

Developer target: 99.8% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ \frac{1 - x}{y} \cdot \frac{3 - x}{3} \end{array} \]

FPCore

(FPCore (x y) :precision binary64 (* (/ (- 1.0 x) y) (/ (- 3.0 x) 3.0)))

C

double code(double x, double y) {
	return ((1.0 - x) / y) * ((3.0 - x) / 3.0);
}

Fortran

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = ((1.0d0 - x) / y) * ((3.0d0 - x) / 3.0d0)
end function

Java

public static double code(double x, double y) {
	return ((1.0 - x) / y) * ((3.0 - x) / 3.0);
}

Python

def code(x, y):
	return ((1.0 - x) / y) * ((3.0 - x) / 3.0)

Julia

function code(x, y)
	return Float64(Float64(Float64(1.0 - x) / y) * Float64(Float64(3.0 - x) / 3.0))
end

MATLAB

function tmp = code(x, y)
	tmp = ((1.0 - x) / y) * ((3.0 - x) / 3.0);
end

Wolfram

code[x_, y_] := N[(N[(N[(1.0 - x), $MachinePrecision] / y), $MachinePrecision] * N[(N[(3.0 - x), $MachinePrecision] / 3.0), $MachinePrecision]), $MachinePrecision]

Reproduce

herbie shell --seed 2023274 
(FPCore (x y)
  :name "Diagrams.TwoD.Arc:bezierFromSweepQ1 from diagrams-lib-1.3.0.3"
  :precision binary64

  :herbie-target
  (* (/ (- 1.0 x) y) (/ (- 3.0 x) 3.0))

  (/ (* (- 1.0 x) (- 3.0 x)) (* y 3.0)))