Graphics.Rendering.Chart.Plot.Vectors:renderPlotVectors from Chart-1.5.3

Percentage Accurate: 77.9% → 100.0%
Time: 5.4s
Alternatives: 7
Speedup: 1.3×

Specification

?
\[\begin{array}{l} \\ x + \left(1 - x\right) \cdot \left(1 - y\right) \end{array} \]
(FPCore (x y) :precision binary64 (+ x (* (- 1.0 x) (- 1.0 y))))
double code(double x, double y) {
	return x + ((1.0 - x) * (1.0 - y));
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = x + ((1.0d0 - x) * (1.0d0 - y))
end function
public static double code(double x, double y) {
	return x + ((1.0 - x) * (1.0 - y));
}
def code(x, y):
	return x + ((1.0 - x) * (1.0 - y))
function code(x, y)
	return Float64(x + Float64(Float64(1.0 - x) * Float64(1.0 - y)))
end
function tmp = code(x, y)
	tmp = x + ((1.0 - x) * (1.0 - y));
end
code[x_, y_] := N[(x + N[(N[(1.0 - x), $MachinePrecision] * N[(1.0 - y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
x + \left(1 - x\right) \cdot \left(1 - y\right)
\end{array}

Sampling outcomes in binary64 precision:

Local Percentage Accuracy vs ?

The average percentage accuracy by input value. Horizontal axis shows value of an input variable; the variable is choosen in the title. Vertical axis is accuracy; higher is better. Red represent the original program, while blue represents Herbie's suggestion. These can be toggled with buttons below the plot. The line is an average while dots represent individual samples.

Accuracy vs Speed?

Herbie found 7 alternatives:

AlternativeAccuracySpeedup
The accuracy (vertical axis) and speed (horizontal axis) of each alternatives. Up and to the right is better. The red square shows the initial program, and each blue circle shows an alternative.The line shows the best available speed-accuracy tradeoffs.

Initial Program: 77.9% accurate, 1.0× speedup?

\[\begin{array}{l} \\ x + \left(1 - x\right) \cdot \left(1 - y\right) \end{array} \]
(FPCore (x y) :precision binary64 (+ x (* (- 1.0 x) (- 1.0 y))))
double code(double x, double y) {
	return x + ((1.0 - x) * (1.0 - y));
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = x + ((1.0d0 - x) * (1.0d0 - y))
end function
public static double code(double x, double y) {
	return x + ((1.0 - x) * (1.0 - y));
}
def code(x, y):
	return x + ((1.0 - x) * (1.0 - y))
function code(x, y)
	return Float64(x + Float64(Float64(1.0 - x) * Float64(1.0 - y)))
end
function tmp = code(x, y)
	tmp = x + ((1.0 - x) * (1.0 - y));
end
code[x_, y_] := N[(x + N[(N[(1.0 - x), $MachinePrecision] * N[(1.0 - y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
x + \left(1 - x\right) \cdot \left(1 - y\right)
\end{array}

Alternative 1: 100.0% accurate, 1.3× speedup?

\[\begin{array}{l} \\ 1 + y \cdot \left(x + -1\right) \end{array} \]
(FPCore (x y) :precision binary64 (+ 1.0 (* y (+ x -1.0))))
double code(double x, double y) {
	return 1.0 + (y * (x + -1.0));
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = 1.0d0 + (y * (x + (-1.0d0)))
end function
public static double code(double x, double y) {
	return 1.0 + (y * (x + -1.0));
}
def code(x, y):
	return 1.0 + (y * (x + -1.0))
function code(x, y)
	return Float64(1.0 + Float64(y * Float64(x + -1.0)))
end
function tmp = code(x, y)
	tmp = 1.0 + (y * (x + -1.0));
end
code[x_, y_] := N[(1.0 + N[(y * N[(x + -1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
1 + y \cdot \left(x + -1\right)
\end{array}
Derivation
  1. Initial program 74.3%

    \[x + \left(1 - x\right) \cdot \left(1 - y\right) \]
  2. Step-by-step derivation
    1. +-commutative74.3%

      \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) + x} \]
    2. remove-double-neg74.3%

      \[\leadsto \left(1 - x\right) \cdot \left(1 - y\right) + \color{blue}{\left(-\left(-x\right)\right)} \]
    3. unsub-neg74.3%

      \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) - \left(-x\right)} \]
    4. sub-neg74.3%

      \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(1 + \left(-y\right)\right)} - \left(-x\right) \]
    5. +-commutative74.3%

      \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(\left(-y\right) + 1\right)} - \left(-x\right) \]
    6. distribute-rgt-in74.3%

      \[\leadsto \color{blue}{\left(\left(-y\right) \cdot \left(1 - x\right) + 1 \cdot \left(1 - x\right)\right)} - \left(-x\right) \]
    7. *-lft-identity74.3%

      \[\leadsto \left(\left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - x\right)}\right) - \left(-x\right) \]
    8. associate--l+86.7%

      \[\leadsto \color{blue}{\left(-y\right) \cdot \left(1 - x\right) + \left(\left(1 - x\right) - \left(-x\right)\right)} \]
    9. associate--l-100.0%

      \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - \left(x + \left(-x\right)\right)\right)} \]
    10. sub-neg100.0%

      \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \left(1 - \color{blue}{\left(x - x\right)}\right) \]
    11. +-inverses100.0%

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

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

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

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

      \[\leadsto 1 + \color{blue}{y \cdot \left(-\left(1 - x\right)\right)} \]
    16. neg-sub0100.0%

      \[\leadsto 1 + y \cdot \color{blue}{\left(0 - \left(1 - x\right)\right)} \]
    17. associate--r-100.0%

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

      \[\leadsto 1 + y \cdot \left(\color{blue}{-1} + x\right) \]
    19. +-commutative100.0%

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

    \[\leadsto \color{blue}{1 + y \cdot \left(x + -1\right)} \]
  4. Add Preprocessing
  5. Add Preprocessing

Alternative 2: 86.1% accurate, 0.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq -3.15 \cdot 10^{+125}:\\ \;\;\;\;y \cdot x\\ \mathbf{elif}\;x \leq -2.5 \cdot 10^{+61} \lor \neg \left(x \leq -15600\right) \land x \leq 23500:\\ \;\;\;\;1 - y\\ \mathbf{else}:\\ \;\;\;\;y \cdot \left(x + -1\right)\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (if (<= x -3.15e+125)
   (* y x)
   (if (or (<= x -2.5e+61) (and (not (<= x -15600.0)) (<= x 23500.0)))
     (- 1.0 y)
     (* y (+ x -1.0)))))
double code(double x, double y) {
	double tmp;
	if (x <= -3.15e+125) {
		tmp = y * x;
	} else if ((x <= -2.5e+61) || (!(x <= -15600.0) && (x <= 23500.0))) {
		tmp = 1.0 - y;
	} else {
		tmp = y * (x + -1.0);
	}
	return tmp;
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if (x <= (-3.15d+125)) then
        tmp = y * x
    else if ((x <= (-2.5d+61)) .or. (.not. (x <= (-15600.0d0))) .and. (x <= 23500.0d0)) then
        tmp = 1.0d0 - y
    else
        tmp = y * (x + (-1.0d0))
    end if
    code = tmp
end function
public static double code(double x, double y) {
	double tmp;
	if (x <= -3.15e+125) {
		tmp = y * x;
	} else if ((x <= -2.5e+61) || (!(x <= -15600.0) && (x <= 23500.0))) {
		tmp = 1.0 - y;
	} else {
		tmp = y * (x + -1.0);
	}
	return tmp;
}
def code(x, y):
	tmp = 0
	if x <= -3.15e+125:
		tmp = y * x
	elif (x <= -2.5e+61) or (not (x <= -15600.0) and (x <= 23500.0)):
		tmp = 1.0 - y
	else:
		tmp = y * (x + -1.0)
	return tmp
function code(x, y)
	tmp = 0.0
	if (x <= -3.15e+125)
		tmp = Float64(y * x);
	elseif ((x <= -2.5e+61) || (!(x <= -15600.0) && (x <= 23500.0)))
		tmp = Float64(1.0 - y);
	else
		tmp = Float64(y * Float64(x + -1.0));
	end
	return tmp
end
function tmp_2 = code(x, y)
	tmp = 0.0;
	if (x <= -3.15e+125)
		tmp = y * x;
	elseif ((x <= -2.5e+61) || (~((x <= -15600.0)) && (x <= 23500.0)))
		tmp = 1.0 - y;
	else
		tmp = y * (x + -1.0);
	end
	tmp_2 = tmp;
end
code[x_, y_] := If[LessEqual[x, -3.15e+125], N[(y * x), $MachinePrecision], If[Or[LessEqual[x, -2.5e+61], And[N[Not[LessEqual[x, -15600.0]], $MachinePrecision], LessEqual[x, 23500.0]]], N[(1.0 - y), $MachinePrecision], N[(y * N[(x + -1.0), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.15 \cdot 10^{+125}:\\
\;\;\;\;y \cdot x\\

\mathbf{elif}\;x \leq -2.5 \cdot 10^{+61} \lor \neg \left(x \leq -15600\right) \land x \leq 23500:\\
\;\;\;\;1 - y\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if x < -3.1500000000000001e125

    1. Initial program 45.9%

      \[x + \left(1 - x\right) \cdot \left(1 - y\right) \]
    2. Step-by-step derivation
      1. +-commutative45.9%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) + x} \]
      2. remove-double-neg45.9%

        \[\leadsto \left(1 - x\right) \cdot \left(1 - y\right) + \color{blue}{\left(-\left(-x\right)\right)} \]
      3. unsub-neg45.9%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) - \left(-x\right)} \]
      4. sub-neg45.9%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(1 + \left(-y\right)\right)} - \left(-x\right) \]
      5. +-commutative45.9%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(\left(-y\right) + 1\right)} - \left(-x\right) \]
      6. distribute-rgt-in45.9%

        \[\leadsto \color{blue}{\left(\left(-y\right) \cdot \left(1 - x\right) + 1 \cdot \left(1 - x\right)\right)} - \left(-x\right) \]
      7. *-lft-identity45.9%

        \[\leadsto \left(\left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - x\right)}\right) - \left(-x\right) \]
      8. associate--l+84.5%

        \[\leadsto \color{blue}{\left(-y\right) \cdot \left(1 - x\right) + \left(\left(1 - x\right) - \left(-x\right)\right)} \]
      9. associate--l-100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - \left(x + \left(-x\right)\right)\right)} \]
      10. sub-neg100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \left(1 - \color{blue}{\left(x - x\right)}\right) \]
      11. +-inverses100.0%

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

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

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

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

        \[\leadsto 1 + \color{blue}{y \cdot \left(-\left(1 - x\right)\right)} \]
      16. neg-sub0100.0%

        \[\leadsto 1 + y \cdot \color{blue}{\left(0 - \left(1 - x\right)\right)} \]
      17. associate--r-100.0%

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

        \[\leadsto 1 + y \cdot \left(\color{blue}{-1} + x\right) \]
      19. +-commutative100.0%

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

      \[\leadsto \color{blue}{1 + y \cdot \left(x + -1\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-lft-in100.0%

        \[\leadsto 1 + \color{blue}{\left(y \cdot x + y \cdot -1\right)} \]
      2. *-commutative100.0%

        \[\leadsto 1 + \left(y \cdot x + \color{blue}{-1 \cdot y}\right) \]
      3. mul-1-neg100.0%

        \[\leadsto 1 + \left(y \cdot x + \color{blue}{\left(-y\right)}\right) \]
    6. Applied egg-rr100.0%

      \[\leadsto 1 + \color{blue}{\left(y \cdot x + \left(-y\right)\right)} \]
    7. Taylor expanded in x around 0 100.0%

      \[\leadsto \color{blue}{\left(1 + x \cdot y\right) - y} \]
    8. Taylor expanded in x around inf 84.5%

      \[\leadsto \color{blue}{x \cdot y} \]
    9. Step-by-step derivation
      1. *-commutative84.5%

        \[\leadsto \color{blue}{y \cdot x} \]
    10. Simplified84.5%

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

    if -3.1500000000000001e125 < x < -2.50000000000000009e61 or -15600 < x < 23500

    1. Initial program 89.9%

      \[x + \left(1 - x\right) \cdot \left(1 - y\right) \]
    2. Step-by-step derivation
      1. +-commutative89.9%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) + x} \]
      2. remove-double-neg89.9%

        \[\leadsto \left(1 - x\right) \cdot \left(1 - y\right) + \color{blue}{\left(-\left(-x\right)\right)} \]
      3. unsub-neg89.9%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) - \left(-x\right)} \]
      4. sub-neg89.9%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(1 + \left(-y\right)\right)} - \left(-x\right) \]
      5. +-commutative89.9%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(\left(-y\right) + 1\right)} - \left(-x\right) \]
      6. distribute-rgt-in89.9%

        \[\leadsto \color{blue}{\left(\left(-y\right) \cdot \left(1 - x\right) + 1 \cdot \left(1 - x\right)\right)} - \left(-x\right) \]
      7. *-lft-identity89.9%

        \[\leadsto \left(\left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - x\right)}\right) - \left(-x\right) \]
      8. associate--l+89.8%

        \[\leadsto \color{blue}{\left(-y\right) \cdot \left(1 - x\right) + \left(\left(1 - x\right) - \left(-x\right)\right)} \]
      9. associate--l-100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - \left(x + \left(-x\right)\right)\right)} \]
      10. sub-neg100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \left(1 - \color{blue}{\left(x - x\right)}\right) \]
      11. +-inverses100.0%

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

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

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

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

        \[\leadsto 1 + \color{blue}{y \cdot \left(-\left(1 - x\right)\right)} \]
      16. neg-sub0100.0%

        \[\leadsto 1 + y \cdot \color{blue}{\left(0 - \left(1 - x\right)\right)} \]
      17. associate--r-100.0%

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

        \[\leadsto 1 + y \cdot \left(\color{blue}{-1} + x\right) \]
      19. +-commutative100.0%

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

      \[\leadsto \color{blue}{1 + y \cdot \left(x + -1\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around 0 96.6%

      \[\leadsto \color{blue}{1 + -1 \cdot y} \]
    6. Step-by-step derivation
      1. neg-mul-196.6%

        \[\leadsto 1 + \color{blue}{\left(-y\right)} \]
      2. unsub-neg96.6%

        \[\leadsto \color{blue}{1 - y} \]
    7. Simplified96.6%

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

    if -2.50000000000000009e61 < x < -15600 or 23500 < x

    1. Initial program 62.1%

      \[x + \left(1 - x\right) \cdot \left(1 - y\right) \]
    2. Step-by-step derivation
      1. +-commutative62.1%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) + x} \]
      2. remove-double-neg62.1%

        \[\leadsto \left(1 - x\right) \cdot \left(1 - y\right) + \color{blue}{\left(-\left(-x\right)\right)} \]
      3. unsub-neg62.1%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) - \left(-x\right)} \]
      4. sub-neg62.1%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(1 + \left(-y\right)\right)} - \left(-x\right) \]
      5. +-commutative62.1%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(\left(-y\right) + 1\right)} - \left(-x\right) \]
      6. distribute-rgt-in62.1%

        \[\leadsto \color{blue}{\left(\left(-y\right) \cdot \left(1 - x\right) + 1 \cdot \left(1 - x\right)\right)} - \left(-x\right) \]
      7. *-lft-identity62.1%

        \[\leadsto \left(\left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - x\right)}\right) - \left(-x\right) \]
      8. associate--l+82.6%

        \[\leadsto \color{blue}{\left(-y\right) \cdot \left(1 - x\right) + \left(\left(1 - x\right) - \left(-x\right)\right)} \]
      9. associate--l-100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - \left(x + \left(-x\right)\right)\right)} \]
      10. sub-neg100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \left(1 - \color{blue}{\left(x - x\right)}\right) \]
      11. +-inverses100.0%

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

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

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

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

        \[\leadsto 1 + \color{blue}{y \cdot \left(-\left(1 - x\right)\right)} \]
      16. neg-sub0100.0%

        \[\leadsto 1 + y \cdot \color{blue}{\left(0 - \left(1 - x\right)\right)} \]
      17. associate--r-100.0%

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

        \[\leadsto 1 + y \cdot \left(\color{blue}{-1} + x\right) \]
      19. +-commutative100.0%

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

      \[\leadsto \color{blue}{1 + y \cdot \left(x + -1\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-lft-in99.9%

        \[\leadsto 1 + \color{blue}{\left(y \cdot x + y \cdot -1\right)} \]
      2. *-commutative99.9%

        \[\leadsto 1 + \left(y \cdot x + \color{blue}{-1 \cdot y}\right) \]
      3. mul-1-neg99.9%

        \[\leadsto 1 + \left(y \cdot x + \color{blue}{\left(-y\right)}\right) \]
    6. Applied egg-rr99.9%

      \[\leadsto 1 + \color{blue}{\left(y \cdot x + \left(-y\right)\right)} \]
    7. Taylor expanded in x around 0 99.9%

      \[\leadsto \color{blue}{\left(1 + x \cdot y\right) - y} \]
    8. Taylor expanded in y around inf 82.6%

      \[\leadsto \color{blue}{y \cdot \left(x - 1\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification90.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq -3.15 \cdot 10^{+125}:\\ \;\;\;\;y \cdot x\\ \mathbf{elif}\;x \leq -2.5 \cdot 10^{+61} \lor \neg \left(x \leq -15600\right) \land x \leq 23500:\\ \;\;\;\;1 - y\\ \mathbf{else}:\\ \;\;\;\;y \cdot \left(x + -1\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 85.8% accurate, 0.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq -3.3 \cdot 10^{+125} \lor \neg \left(x \leq -3.2 \cdot 10^{+59}\right) \land \left(x \leq -98000000 \lor \neg \left(x \leq 68000\right)\right):\\ \;\;\;\;y \cdot x\\ \mathbf{else}:\\ \;\;\;\;1 - y\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (if (or (<= x -3.3e+125)
         (and (not (<= x -3.2e+59))
              (or (<= x -98000000.0) (not (<= x 68000.0)))))
   (* y x)
   (- 1.0 y)))
double code(double x, double y) {
	double tmp;
	if ((x <= -3.3e+125) || (!(x <= -3.2e+59) && ((x <= -98000000.0) || !(x <= 68000.0)))) {
		tmp = y * x;
	} else {
		tmp = 1.0 - y;
	}
	return tmp;
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if ((x <= (-3.3d+125)) .or. (.not. (x <= (-3.2d+59))) .and. (x <= (-98000000.0d0)) .or. (.not. (x <= 68000.0d0))) then
        tmp = y * x
    else
        tmp = 1.0d0 - y
    end if
    code = tmp
end function
public static double code(double x, double y) {
	double tmp;
	if ((x <= -3.3e+125) || (!(x <= -3.2e+59) && ((x <= -98000000.0) || !(x <= 68000.0)))) {
		tmp = y * x;
	} else {
		tmp = 1.0 - y;
	}
	return tmp;
}
def code(x, y):
	tmp = 0
	if (x <= -3.3e+125) or (not (x <= -3.2e+59) and ((x <= -98000000.0) or not (x <= 68000.0))):
		tmp = y * x
	else:
		tmp = 1.0 - y
	return tmp
function code(x, y)
	tmp = 0.0
	if ((x <= -3.3e+125) || (!(x <= -3.2e+59) && ((x <= -98000000.0) || !(x <= 68000.0))))
		tmp = Float64(y * x);
	else
		tmp = Float64(1.0 - y);
	end
	return tmp
end
function tmp_2 = code(x, y)
	tmp = 0.0;
	if ((x <= -3.3e+125) || (~((x <= -3.2e+59)) && ((x <= -98000000.0) || ~((x <= 68000.0)))))
		tmp = y * x;
	else
		tmp = 1.0 - y;
	end
	tmp_2 = tmp;
end
code[x_, y_] := If[Or[LessEqual[x, -3.3e+125], And[N[Not[LessEqual[x, -3.2e+59]], $MachinePrecision], Or[LessEqual[x, -98000000.0], N[Not[LessEqual[x, 68000.0]], $MachinePrecision]]]], N[(y * x), $MachinePrecision], N[(1.0 - y), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.3 \cdot 10^{+125} \lor \neg \left(x \leq -3.2 \cdot 10^{+59}\right) \land \left(x \leq -98000000 \lor \neg \left(x \leq 68000\right)\right):\\
\;\;\;\;y \cdot x\\

\mathbf{else}:\\
\;\;\;\;1 - y\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if x < -3.30000000000000005e125 or -3.19999999999999982e59 < x < -9.8e7 or 68000 < x

    1. Initial program 57.3%

      \[x + \left(1 - x\right) \cdot \left(1 - y\right) \]
    2. Step-by-step derivation
      1. +-commutative57.3%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) + x} \]
      2. remove-double-neg57.3%

        \[\leadsto \left(1 - x\right) \cdot \left(1 - y\right) + \color{blue}{\left(-\left(-x\right)\right)} \]
      3. unsub-neg57.3%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) - \left(-x\right)} \]
      4. sub-neg57.3%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(1 + \left(-y\right)\right)} - \left(-x\right) \]
      5. +-commutative57.3%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(\left(-y\right) + 1\right)} - \left(-x\right) \]
      6. distribute-rgt-in57.3%

        \[\leadsto \color{blue}{\left(\left(-y\right) \cdot \left(1 - x\right) + 1 \cdot \left(1 - x\right)\right)} - \left(-x\right) \]
      7. *-lft-identity57.3%

        \[\leadsto \left(\left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - x\right)}\right) - \left(-x\right) \]
      8. associate--l+83.2%

        \[\leadsto \color{blue}{\left(-y\right) \cdot \left(1 - x\right) + \left(\left(1 - x\right) - \left(-x\right)\right)} \]
      9. associate--l-100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - \left(x + \left(-x\right)\right)\right)} \]
      10. sub-neg100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \left(1 - \color{blue}{\left(x - x\right)}\right) \]
      11. +-inverses100.0%

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

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

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

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

        \[\leadsto 1 + \color{blue}{y \cdot \left(-\left(1 - x\right)\right)} \]
      16. neg-sub0100.0%

        \[\leadsto 1 + y \cdot \color{blue}{\left(0 - \left(1 - x\right)\right)} \]
      17. associate--r-100.0%

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

        \[\leadsto 1 + y \cdot \left(\color{blue}{-1} + x\right) \]
      19. +-commutative100.0%

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

      \[\leadsto \color{blue}{1 + y \cdot \left(x + -1\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-lft-in100.0%

        \[\leadsto 1 + \color{blue}{\left(y \cdot x + y \cdot -1\right)} \]
      2. *-commutative100.0%

        \[\leadsto 1 + \left(y \cdot x + \color{blue}{-1 \cdot y}\right) \]
      3. mul-1-neg100.0%

        \[\leadsto 1 + \left(y \cdot x + \color{blue}{\left(-y\right)}\right) \]
    6. Applied egg-rr100.0%

      \[\leadsto 1 + \color{blue}{\left(y \cdot x + \left(-y\right)\right)} \]
    7. Taylor expanded in x around 0 100.0%

      \[\leadsto \color{blue}{\left(1 + x \cdot y\right) - y} \]
    8. Taylor expanded in x around inf 81.6%

      \[\leadsto \color{blue}{x \cdot y} \]
    9. Step-by-step derivation
      1. *-commutative81.6%

        \[\leadsto \color{blue}{y \cdot x} \]
    10. Simplified81.6%

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

    if -3.30000000000000005e125 < x < -3.19999999999999982e59 or -9.8e7 < x < 68000

    1. Initial program 89.9%

      \[x + \left(1 - x\right) \cdot \left(1 - y\right) \]
    2. Step-by-step derivation
      1. +-commutative89.9%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) + x} \]
      2. remove-double-neg89.9%

        \[\leadsto \left(1 - x\right) \cdot \left(1 - y\right) + \color{blue}{\left(-\left(-x\right)\right)} \]
      3. unsub-neg89.9%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) - \left(-x\right)} \]
      4. sub-neg89.9%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(1 + \left(-y\right)\right)} - \left(-x\right) \]
      5. +-commutative89.9%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(\left(-y\right) + 1\right)} - \left(-x\right) \]
      6. distribute-rgt-in89.9%

        \[\leadsto \color{blue}{\left(\left(-y\right) \cdot \left(1 - x\right) + 1 \cdot \left(1 - x\right)\right)} - \left(-x\right) \]
      7. *-lft-identity89.9%

        \[\leadsto \left(\left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - x\right)}\right) - \left(-x\right) \]
      8. associate--l+89.8%

        \[\leadsto \color{blue}{\left(-y\right) \cdot \left(1 - x\right) + \left(\left(1 - x\right) - \left(-x\right)\right)} \]
      9. associate--l-100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - \left(x + \left(-x\right)\right)\right)} \]
      10. sub-neg100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \left(1 - \color{blue}{\left(x - x\right)}\right) \]
      11. +-inverses100.0%

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

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

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

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

        \[\leadsto 1 + \color{blue}{y \cdot \left(-\left(1 - x\right)\right)} \]
      16. neg-sub0100.0%

        \[\leadsto 1 + y \cdot \color{blue}{\left(0 - \left(1 - x\right)\right)} \]
      17. associate--r-100.0%

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

        \[\leadsto 1 + y \cdot \left(\color{blue}{-1} + x\right) \]
      19. +-commutative100.0%

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

      \[\leadsto \color{blue}{1 + y \cdot \left(x + -1\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around 0 96.6%

      \[\leadsto \color{blue}{1 + -1 \cdot y} \]
    6. Step-by-step derivation
      1. neg-mul-196.6%

        \[\leadsto 1 + \color{blue}{\left(-y\right)} \]
      2. unsub-neg96.6%

        \[\leadsto \color{blue}{1 - y} \]
    7. Simplified96.6%

      \[\leadsto \color{blue}{1 - y} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification89.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq -3.3 \cdot 10^{+125} \lor \neg \left(x \leq -3.2 \cdot 10^{+59}\right) \land \left(x \leq -98000000 \lor \neg \left(x \leq 68000\right)\right):\\ \;\;\;\;y \cdot x\\ \mathbf{else}:\\ \;\;\;\;1 - y\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 98.8% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq -900 \lor \neg \left(x \leq 0.76\right):\\ \;\;\;\;1 + y \cdot x\\ \mathbf{else}:\\ \;\;\;\;1 - y\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (if (or (<= x -900.0) (not (<= x 0.76))) (+ 1.0 (* y x)) (- 1.0 y)))
double code(double x, double y) {
	double tmp;
	if ((x <= -900.0) || !(x <= 0.76)) {
		tmp = 1.0 + (y * x);
	} else {
		tmp = 1.0 - y;
	}
	return tmp;
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if ((x <= (-900.0d0)) .or. (.not. (x <= 0.76d0))) then
        tmp = 1.0d0 + (y * x)
    else
        tmp = 1.0d0 - y
    end if
    code = tmp
end function
public static double code(double x, double y) {
	double tmp;
	if ((x <= -900.0) || !(x <= 0.76)) {
		tmp = 1.0 + (y * x);
	} else {
		tmp = 1.0 - y;
	}
	return tmp;
}
def code(x, y):
	tmp = 0
	if (x <= -900.0) or not (x <= 0.76):
		tmp = 1.0 + (y * x)
	else:
		tmp = 1.0 - y
	return tmp
function code(x, y)
	tmp = 0.0
	if ((x <= -900.0) || !(x <= 0.76))
		tmp = Float64(1.0 + Float64(y * x));
	else
		tmp = Float64(1.0 - y);
	end
	return tmp
end
function tmp_2 = code(x, y)
	tmp = 0.0;
	if ((x <= -900.0) || ~((x <= 0.76)))
		tmp = 1.0 + (y * x);
	else
		tmp = 1.0 - y;
	end
	tmp_2 = tmp;
end
code[x_, y_] := If[Or[LessEqual[x, -900.0], N[Not[LessEqual[x, 0.76]], $MachinePrecision]], N[(1.0 + N[(y * x), $MachinePrecision]), $MachinePrecision], N[(1.0 - y), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;x \leq -900 \lor \neg \left(x \leq 0.76\right):\\
\;\;\;\;1 + y \cdot x\\

\mathbf{else}:\\
\;\;\;\;1 - y\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if x < -900 or 0.76000000000000001 < x

    1. Initial program 53.4%

      \[x + \left(1 - x\right) \cdot \left(1 - y\right) \]
    2. Step-by-step derivation
      1. +-commutative53.4%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) + x} \]
      2. remove-double-neg53.4%

        \[\leadsto \left(1 - x\right) \cdot \left(1 - y\right) + \color{blue}{\left(-\left(-x\right)\right)} \]
      3. unsub-neg53.4%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) - \left(-x\right)} \]
      4. sub-neg53.4%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(1 + \left(-y\right)\right)} - \left(-x\right) \]
      5. +-commutative53.4%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(\left(-y\right) + 1\right)} - \left(-x\right) \]
      6. distribute-rgt-in53.4%

        \[\leadsto \color{blue}{\left(\left(-y\right) \cdot \left(1 - x\right) + 1 \cdot \left(1 - x\right)\right)} - \left(-x\right) \]
      7. *-lft-identity53.4%

        \[\leadsto \left(\left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - x\right)}\right) - \left(-x\right) \]
      8. associate--l+75.8%

        \[\leadsto \color{blue}{\left(-y\right) \cdot \left(1 - x\right) + \left(\left(1 - x\right) - \left(-x\right)\right)} \]
      9. associate--l-100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - \left(x + \left(-x\right)\right)\right)} \]
      10. sub-neg100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \left(1 - \color{blue}{\left(x - x\right)}\right) \]
      11. +-inverses100.0%

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

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

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

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

        \[\leadsto 1 + \color{blue}{y \cdot \left(-\left(1 - x\right)\right)} \]
      16. neg-sub0100.0%

        \[\leadsto 1 + y \cdot \color{blue}{\left(0 - \left(1 - x\right)\right)} \]
      17. associate--r-100.0%

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

        \[\leadsto 1 + y \cdot \left(\color{blue}{-1} + x\right) \]
      19. +-commutative100.0%

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

      \[\leadsto \color{blue}{1 + y \cdot \left(x + -1\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around inf 98.6%

      \[\leadsto 1 + \color{blue}{x \cdot y} \]
    6. Step-by-step derivation
      1. *-commutative98.6%

        \[\leadsto 1 + \color{blue}{y \cdot x} \]
    7. Simplified98.6%

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

    if -900 < x < 0.76000000000000001

    1. Initial program 100.0%

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

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) + x} \]
      2. remove-double-neg100.0%

        \[\leadsto \left(1 - x\right) \cdot \left(1 - y\right) + \color{blue}{\left(-\left(-x\right)\right)} \]
      3. unsub-neg100.0%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) - \left(-x\right)} \]
      4. sub-neg100.0%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(1 + \left(-y\right)\right)} - \left(-x\right) \]
      5. +-commutative100.0%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(\left(-y\right) + 1\right)} - \left(-x\right) \]
      6. distribute-rgt-in100.0%

        \[\leadsto \color{blue}{\left(\left(-y\right) \cdot \left(1 - x\right) + 1 \cdot \left(1 - x\right)\right)} - \left(-x\right) \]
      7. *-lft-identity100.0%

        \[\leadsto \left(\left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - x\right)}\right) - \left(-x\right) \]
      8. associate--l+100.0%

        \[\leadsto \color{blue}{\left(-y\right) \cdot \left(1 - x\right) + \left(\left(1 - x\right) - \left(-x\right)\right)} \]
      9. associate--l-100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - \left(x + \left(-x\right)\right)\right)} \]
      10. sub-neg100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \left(1 - \color{blue}{\left(x - x\right)}\right) \]
      11. +-inverses100.0%

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

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

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

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

        \[\leadsto 1 + \color{blue}{y \cdot \left(-\left(1 - x\right)\right)} \]
      16. neg-sub0100.0%

        \[\leadsto 1 + y \cdot \color{blue}{\left(0 - \left(1 - x\right)\right)} \]
      17. associate--r-100.0%

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

        \[\leadsto 1 + y \cdot \left(\color{blue}{-1} + x\right) \]
      19. +-commutative100.0%

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

      \[\leadsto \color{blue}{1 + y \cdot \left(x + -1\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around 0 99.4%

      \[\leadsto \color{blue}{1 + -1 \cdot y} \]
    6. Step-by-step derivation
      1. neg-mul-199.4%

        \[\leadsto 1 + \color{blue}{\left(-y\right)} \]
      2. unsub-neg99.4%

        \[\leadsto \color{blue}{1 - y} \]
    7. Simplified99.4%

      \[\leadsto \color{blue}{1 - y} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification99.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq -900 \lor \neg \left(x \leq 0.76\right):\\ \;\;\;\;1 + y \cdot x\\ \mathbf{else}:\\ \;\;\;\;1 - y\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 62.6% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -5.2 \cdot 10^{-59} \lor \neg \left(y \leq 1.95 \cdot 10^{-11}\right):\\ \;\;\;\;y \cdot x\\ \mathbf{else}:\\ \;\;\;\;1\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (if (or (<= y -5.2e-59) (not (<= y 1.95e-11))) (* y x) 1.0))
double code(double x, double y) {
	double tmp;
	if ((y <= -5.2e-59) || !(y <= 1.95e-11)) {
		tmp = y * x;
	} else {
		tmp = 1.0;
	}
	return tmp;
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if ((y <= (-5.2d-59)) .or. (.not. (y <= 1.95d-11))) then
        tmp = y * x
    else
        tmp = 1.0d0
    end if
    code = tmp
end function
public static double code(double x, double y) {
	double tmp;
	if ((y <= -5.2e-59) || !(y <= 1.95e-11)) {
		tmp = y * x;
	} else {
		tmp = 1.0;
	}
	return tmp;
}
def code(x, y):
	tmp = 0
	if (y <= -5.2e-59) or not (y <= 1.95e-11):
		tmp = y * x
	else:
		tmp = 1.0
	return tmp
function code(x, y)
	tmp = 0.0
	if ((y <= -5.2e-59) || !(y <= 1.95e-11))
		tmp = Float64(y * x);
	else
		tmp = 1.0;
	end
	return tmp
end
function tmp_2 = code(x, y)
	tmp = 0.0;
	if ((y <= -5.2e-59) || ~((y <= 1.95e-11)))
		tmp = y * x;
	else
		tmp = 1.0;
	end
	tmp_2 = tmp;
end
code[x_, y_] := If[Or[LessEqual[y, -5.2e-59], N[Not[LessEqual[y, 1.95e-11]], $MachinePrecision]], N[(y * x), $MachinePrecision], 1.0]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -5.2 \cdot 10^{-59} \lor \neg \left(y \leq 1.95 \cdot 10^{-11}\right):\\
\;\;\;\;y \cdot x\\

\mathbf{else}:\\
\;\;\;\;1\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if y < -5.19999999999999996e-59 or 1.95000000000000005e-11 < y

    1. Initial program 96.5%

      \[x + \left(1 - x\right) \cdot \left(1 - y\right) \]
    2. Step-by-step derivation
      1. +-commutative96.5%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) + x} \]
      2. remove-double-neg96.5%

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

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) - \left(-x\right)} \]
      4. sub-neg96.5%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(1 + \left(-y\right)\right)} - \left(-x\right) \]
      5. +-commutative96.5%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(\left(-y\right) + 1\right)} - \left(-x\right) \]
      6. distribute-rgt-in96.5%

        \[\leadsto \color{blue}{\left(\left(-y\right) \cdot \left(1 - x\right) + 1 \cdot \left(1 - x\right)\right)} - \left(-x\right) \]
      7. *-lft-identity96.5%

        \[\leadsto \left(\left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - x\right)}\right) - \left(-x\right) \]
      8. associate--l+100.0%

        \[\leadsto \color{blue}{\left(-y\right) \cdot \left(1 - x\right) + \left(\left(1 - x\right) - \left(-x\right)\right)} \]
      9. associate--l-100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - \left(x + \left(-x\right)\right)\right)} \]
      10. sub-neg100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \left(1 - \color{blue}{\left(x - x\right)}\right) \]
      11. +-inverses100.0%

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

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

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

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

        \[\leadsto 1 + \color{blue}{y \cdot \left(-\left(1 - x\right)\right)} \]
      16. neg-sub0100.0%

        \[\leadsto 1 + y \cdot \color{blue}{\left(0 - \left(1 - x\right)\right)} \]
      17. associate--r-100.0%

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

        \[\leadsto 1 + y \cdot \left(\color{blue}{-1} + x\right) \]
      19. +-commutative100.0%

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

      \[\leadsto \color{blue}{1 + y \cdot \left(x + -1\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-lft-in100.0%

        \[\leadsto 1 + \color{blue}{\left(y \cdot x + y \cdot -1\right)} \]
      2. *-commutative100.0%

        \[\leadsto 1 + \left(y \cdot x + \color{blue}{-1 \cdot y}\right) \]
      3. mul-1-neg100.0%

        \[\leadsto 1 + \left(y \cdot x + \color{blue}{\left(-y\right)}\right) \]
    6. Applied egg-rr100.0%

      \[\leadsto 1 + \color{blue}{\left(y \cdot x + \left(-y\right)\right)} \]
    7. Taylor expanded in x around 0 100.0%

      \[\leadsto \color{blue}{\left(1 + x \cdot y\right) - y} \]
    8. Taylor expanded in x around inf 59.8%

      \[\leadsto \color{blue}{x \cdot y} \]
    9. Step-by-step derivation
      1. *-commutative59.8%

        \[\leadsto \color{blue}{y \cdot x} \]
    10. Simplified59.8%

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

    if -5.19999999999999996e-59 < y < 1.95000000000000005e-11

    1. Initial program 52.2%

      \[x + \left(1 - x\right) \cdot \left(1 - y\right) \]
    2. Step-by-step derivation
      1. +-commutative52.2%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) + x} \]
      2. remove-double-neg52.2%

        \[\leadsto \left(1 - x\right) \cdot \left(1 - y\right) + \color{blue}{\left(-\left(-x\right)\right)} \]
      3. unsub-neg52.2%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) - \left(-x\right)} \]
      4. sub-neg52.2%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(1 + \left(-y\right)\right)} - \left(-x\right) \]
      5. +-commutative52.2%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(\left(-y\right) + 1\right)} - \left(-x\right) \]
      6. distribute-rgt-in52.2%

        \[\leadsto \color{blue}{\left(\left(-y\right) \cdot \left(1 - x\right) + 1 \cdot \left(1 - x\right)\right)} - \left(-x\right) \]
      7. *-lft-identity52.2%

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

        \[\leadsto \color{blue}{\left(-y\right) \cdot \left(1 - x\right) + \left(\left(1 - x\right) - \left(-x\right)\right)} \]
      9. associate--l-100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - \left(x + \left(-x\right)\right)\right)} \]
      10. sub-neg100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \left(1 - \color{blue}{\left(x - x\right)}\right) \]
      11. +-inverses100.0%

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

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

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

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

        \[\leadsto 1 + \color{blue}{y \cdot \left(-\left(1 - x\right)\right)} \]
      16. neg-sub0100.0%

        \[\leadsto 1 + y \cdot \color{blue}{\left(0 - \left(1 - x\right)\right)} \]
      17. associate--r-100.0%

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

        \[\leadsto 1 + y \cdot \left(\color{blue}{-1} + x\right) \]
      19. +-commutative100.0%

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

      \[\leadsto \color{blue}{1 + y \cdot \left(x + -1\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in y around 0 76.9%

      \[\leadsto \color{blue}{1} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification68.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -5.2 \cdot 10^{-59} \lor \neg \left(y \leq 1.95 \cdot 10^{-11}\right):\\ \;\;\;\;y \cdot x\\ \mathbf{else}:\\ \;\;\;\;1\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 61.3% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -1 \lor \neg \left(y \leq 1\right):\\ \;\;\;\;-y\\ \mathbf{else}:\\ \;\;\;\;1\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (if (or (<= y -1.0) (not (<= y 1.0))) (- y) 1.0))
double code(double x, double y) {
	double tmp;
	if ((y <= -1.0) || !(y <= 1.0)) {
		tmp = -y;
	} else {
		tmp = 1.0;
	}
	return tmp;
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if ((y <= (-1.0d0)) .or. (.not. (y <= 1.0d0))) then
        tmp = -y
    else
        tmp = 1.0d0
    end if
    code = tmp
end function
public static double code(double x, double y) {
	double tmp;
	if ((y <= -1.0) || !(y <= 1.0)) {
		tmp = -y;
	} else {
		tmp = 1.0;
	}
	return tmp;
}
def code(x, y):
	tmp = 0
	if (y <= -1.0) or not (y <= 1.0):
		tmp = -y
	else:
		tmp = 1.0
	return tmp
function code(x, y)
	tmp = 0.0
	if ((y <= -1.0) || !(y <= 1.0))
		tmp = Float64(-y);
	else
		tmp = 1.0;
	end
	return tmp
end
function tmp_2 = code(x, y)
	tmp = 0.0;
	if ((y <= -1.0) || ~((y <= 1.0)))
		tmp = -y;
	else
		tmp = 1.0;
	end
	tmp_2 = tmp;
end
code[x_, y_] := If[Or[LessEqual[y, -1.0], N[Not[LessEqual[y, 1.0]], $MachinePrecision]], (-y), 1.0]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -1 \lor \neg \left(y \leq 1\right):\\
\;\;\;\;-y\\

\mathbf{else}:\\
\;\;\;\;1\\


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

    1. Initial program 100.0%

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

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) + x} \]
      2. remove-double-neg100.0%

        \[\leadsto \left(1 - x\right) \cdot \left(1 - y\right) + \color{blue}{\left(-\left(-x\right)\right)} \]
      3. unsub-neg100.0%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) - \left(-x\right)} \]
      4. sub-neg100.0%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(1 + \left(-y\right)\right)} - \left(-x\right) \]
      5. +-commutative100.0%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(\left(-y\right) + 1\right)} - \left(-x\right) \]
      6. distribute-rgt-in100.0%

        \[\leadsto \color{blue}{\left(\left(-y\right) \cdot \left(1 - x\right) + 1 \cdot \left(1 - x\right)\right)} - \left(-x\right) \]
      7. *-lft-identity100.0%

        \[\leadsto \left(\left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - x\right)}\right) - \left(-x\right) \]
      8. associate--l+100.0%

        \[\leadsto \color{blue}{\left(-y\right) \cdot \left(1 - x\right) + \left(\left(1 - x\right) - \left(-x\right)\right)} \]
      9. associate--l-100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - \left(x + \left(-x\right)\right)\right)} \]
      10. sub-neg100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \left(1 - \color{blue}{\left(x - x\right)}\right) \]
      11. +-inverses100.0%

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

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

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

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

        \[\leadsto 1 + \color{blue}{y \cdot \left(-\left(1 - x\right)\right)} \]
      16. neg-sub0100.0%

        \[\leadsto 1 + y \cdot \color{blue}{\left(0 - \left(1 - x\right)\right)} \]
      17. associate--r-100.0%

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

        \[\leadsto 1 + y \cdot \left(\color{blue}{-1} + x\right) \]
      19. +-commutative100.0%

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

      \[\leadsto \color{blue}{1 + y \cdot \left(x + -1\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-lft-in100.0%

        \[\leadsto 1 + \color{blue}{\left(y \cdot x + y \cdot -1\right)} \]
      2. *-commutative100.0%

        \[\leadsto 1 + \left(y \cdot x + \color{blue}{-1 \cdot y}\right) \]
      3. mul-1-neg100.0%

        \[\leadsto 1 + \left(y \cdot x + \color{blue}{\left(-y\right)}\right) \]
    6. Applied egg-rr100.0%

      \[\leadsto 1 + \color{blue}{\left(y \cdot x + \left(-y\right)\right)} \]
    7. Taylor expanded in x around 0 100.0%

      \[\leadsto \color{blue}{\left(1 + x \cdot y\right) - y} \]
    8. Taylor expanded in y around inf 97.3%

      \[\leadsto \color{blue}{y \cdot \left(x - 1\right)} \]
    9. Taylor expanded in x around 0 38.4%

      \[\leadsto \color{blue}{-1 \cdot y} \]
    10. Step-by-step derivation
      1. mul-1-neg38.4%

        \[\leadsto \color{blue}{-y} \]
    11. Simplified38.4%

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

    if -1 < y < 1

    1. Initial program 52.4%

      \[x + \left(1 - x\right) \cdot \left(1 - y\right) \]
    2. Step-by-step derivation
      1. +-commutative52.4%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) + x} \]
      2. remove-double-neg52.4%

        \[\leadsto \left(1 - x\right) \cdot \left(1 - y\right) + \color{blue}{\left(-\left(-x\right)\right)} \]
      3. unsub-neg52.4%

        \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) - \left(-x\right)} \]
      4. sub-neg52.4%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(1 + \left(-y\right)\right)} - \left(-x\right) \]
      5. +-commutative52.4%

        \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(\left(-y\right) + 1\right)} - \left(-x\right) \]
      6. distribute-rgt-in52.4%

        \[\leadsto \color{blue}{\left(\left(-y\right) \cdot \left(1 - x\right) + 1 \cdot \left(1 - x\right)\right)} - \left(-x\right) \]
      7. *-lft-identity52.4%

        \[\leadsto \left(\left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - x\right)}\right) - \left(-x\right) \]
      8. associate--l+75.3%

        \[\leadsto \color{blue}{\left(-y\right) \cdot \left(1 - x\right) + \left(\left(1 - x\right) - \left(-x\right)\right)} \]
      9. associate--l-100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - \left(x + \left(-x\right)\right)\right)} \]
      10. sub-neg100.0%

        \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \left(1 - \color{blue}{\left(x - x\right)}\right) \]
      11. +-inverses100.0%

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

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

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

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

        \[\leadsto 1 + \color{blue}{y \cdot \left(-\left(1 - x\right)\right)} \]
      16. neg-sub0100.0%

        \[\leadsto 1 + y \cdot \color{blue}{\left(0 - \left(1 - x\right)\right)} \]
      17. associate--r-100.0%

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

        \[\leadsto 1 + y \cdot \left(\color{blue}{-1} + x\right) \]
      19. +-commutative100.0%

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

      \[\leadsto \color{blue}{1 + y \cdot \left(x + -1\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in y around 0 73.4%

      \[\leadsto \color{blue}{1} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification57.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -1 \lor \neg \left(y \leq 1\right):\\ \;\;\;\;-y\\ \mathbf{else}:\\ \;\;\;\;1\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 38.4% accurate, 9.0× speedup?

\[\begin{array}{l} \\ 1 \end{array} \]
(FPCore (x y) :precision binary64 1.0)
double code(double x, double y) {
	return 1.0;
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = 1.0d0
end function
public static double code(double x, double y) {
	return 1.0;
}
def code(x, y):
	return 1.0
function code(x, y)
	return 1.0
end
function tmp = code(x, y)
	tmp = 1.0;
end
code[x_, y_] := 1.0
\begin{array}{l}

\\
1
\end{array}
Derivation
  1. Initial program 74.3%

    \[x + \left(1 - x\right) \cdot \left(1 - y\right) \]
  2. Step-by-step derivation
    1. +-commutative74.3%

      \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) + x} \]
    2. remove-double-neg74.3%

      \[\leadsto \left(1 - x\right) \cdot \left(1 - y\right) + \color{blue}{\left(-\left(-x\right)\right)} \]
    3. unsub-neg74.3%

      \[\leadsto \color{blue}{\left(1 - x\right) \cdot \left(1 - y\right) - \left(-x\right)} \]
    4. sub-neg74.3%

      \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(1 + \left(-y\right)\right)} - \left(-x\right) \]
    5. +-commutative74.3%

      \[\leadsto \left(1 - x\right) \cdot \color{blue}{\left(\left(-y\right) + 1\right)} - \left(-x\right) \]
    6. distribute-rgt-in74.3%

      \[\leadsto \color{blue}{\left(\left(-y\right) \cdot \left(1 - x\right) + 1 \cdot \left(1 - x\right)\right)} - \left(-x\right) \]
    7. *-lft-identity74.3%

      \[\leadsto \left(\left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - x\right)}\right) - \left(-x\right) \]
    8. associate--l+86.7%

      \[\leadsto \color{blue}{\left(-y\right) \cdot \left(1 - x\right) + \left(\left(1 - x\right) - \left(-x\right)\right)} \]
    9. associate--l-100.0%

      \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \color{blue}{\left(1 - \left(x + \left(-x\right)\right)\right)} \]
    10. sub-neg100.0%

      \[\leadsto \left(-y\right) \cdot \left(1 - x\right) + \left(1 - \color{blue}{\left(x - x\right)}\right) \]
    11. +-inverses100.0%

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

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

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

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

      \[\leadsto 1 + \color{blue}{y \cdot \left(-\left(1 - x\right)\right)} \]
    16. neg-sub0100.0%

      \[\leadsto 1 + y \cdot \color{blue}{\left(0 - \left(1 - x\right)\right)} \]
    17. associate--r-100.0%

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

      \[\leadsto 1 + y \cdot \left(\color{blue}{-1} + x\right) \]
    19. +-commutative100.0%

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

    \[\leadsto \color{blue}{1 + y \cdot \left(x + -1\right)} \]
  4. Add Preprocessing
  5. Taylor expanded in y around 0 40.9%

    \[\leadsto \color{blue}{1} \]
  6. Add Preprocessing

Developer Target 1: 100.0% accurate, 1.3× speedup?

\[\begin{array}{l} \\ y \cdot x - \left(y - 1\right) \end{array} \]
(FPCore (x y) :precision binary64 (- (* y x) (- y 1.0)))
double code(double x, double y) {
	return (y * x) - (y - 1.0);
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = (y * x) - (y - 1.0d0)
end function
public static double code(double x, double y) {
	return (y * x) - (y - 1.0);
}
def code(x, y):
	return (y * x) - (y - 1.0)
function code(x, y)
	return Float64(Float64(y * x) - Float64(y - 1.0))
end
function tmp = code(x, y)
	tmp = (y * x) - (y - 1.0);
end
code[x_, y_] := N[(N[(y * x), $MachinePrecision] - N[(y - 1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
y \cdot x - \left(y - 1\right)
\end{array}

Reproduce

?
herbie shell --seed 2024145 
(FPCore (x y)
  :name "Graphics.Rendering.Chart.Plot.Vectors:renderPlotVectors from Chart-1.5.3"
  :precision binary64

  :alt
  (! :herbie-platform default (- (* y x) (- y 1)))

  (+ x (* (- 1.0 x) (- 1.0 y))))