Numeric.SpecFunctions:invIncompleteGamma from math-functions-0.1.5.2, D

Percentage Accurate: 99.7% → 99.7%
Time: 8.4s
Alternatives: 9
Speedup: 1.0×

Specification

?
\[\begin{array}{l} \\ \left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \end{array} \]
(FPCore (x y)
 :precision binary64
 (- (- 1.0 (/ 1.0 (* x 9.0))) (/ y (* 3.0 (sqrt x)))))
double code(double x, double y) {
	return (1.0 - (1.0 / (x * 9.0))) - (y / (3.0 * sqrt(x)));
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = (1.0d0 - (1.0d0 / (x * 9.0d0))) - (y / (3.0d0 * sqrt(x)))
end function
public static double code(double x, double y) {
	return (1.0 - (1.0 / (x * 9.0))) - (y / (3.0 * Math.sqrt(x)));
}
def code(x, y):
	return (1.0 - (1.0 / (x * 9.0))) - (y / (3.0 * math.sqrt(x)))
function code(x, y)
	return Float64(Float64(1.0 - Float64(1.0 / Float64(x * 9.0))) - Float64(y / Float64(3.0 * sqrt(x))))
end
function tmp = code(x, y)
	tmp = (1.0 - (1.0 / (x * 9.0))) - (y / (3.0 * sqrt(x)));
end
code[x_, y_] := N[(N[(1.0 - N[(1.0 / N[(x * 9.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - N[(y / N[(3.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}}
\end{array}

Sampling outcomes in binary64 precision:

Local Percentage Accuracy vs ?

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

Accuracy vs Speed?

Herbie found 9 alternatives:

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

Initial Program: 99.7% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \end{array} \]
(FPCore (x y)
 :precision binary64
 (- (- 1.0 (/ 1.0 (* x 9.0))) (/ y (* 3.0 (sqrt x)))))
double code(double x, double y) {
	return (1.0 - (1.0 / (x * 9.0))) - (y / (3.0 * sqrt(x)));
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = (1.0d0 - (1.0d0 / (x * 9.0d0))) - (y / (3.0d0 * sqrt(x)))
end function
public static double code(double x, double y) {
	return (1.0 - (1.0 / (x * 9.0))) - (y / (3.0 * Math.sqrt(x)));
}
def code(x, y):
	return (1.0 - (1.0 / (x * 9.0))) - (y / (3.0 * math.sqrt(x)))
function code(x, y)
	return Float64(Float64(1.0 - Float64(1.0 / Float64(x * 9.0))) - Float64(y / Float64(3.0 * sqrt(x))))
end
function tmp = code(x, y)
	tmp = (1.0 - (1.0 / (x * 9.0))) - (y / (3.0 * sqrt(x)));
end
code[x_, y_] := N[(N[(1.0 - N[(1.0 / N[(x * 9.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - N[(y / N[(3.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}}
\end{array}

Alternative 1: 99.7% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \end{array} \]
(FPCore (x y)
 :precision binary64
 (- (- 1.0 (/ 1.0 (* x 9.0))) (/ y (* 3.0 (sqrt x)))))
double code(double x, double y) {
	return (1.0 - (1.0 / (x * 9.0))) - (y / (3.0 * sqrt(x)));
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = (1.0d0 - (1.0d0 / (x * 9.0d0))) - (y / (3.0d0 * sqrt(x)))
end function
public static double code(double x, double y) {
	return (1.0 - (1.0 / (x * 9.0))) - (y / (3.0 * Math.sqrt(x)));
}
def code(x, y):
	return (1.0 - (1.0 / (x * 9.0))) - (y / (3.0 * math.sqrt(x)))
function code(x, y)
	return Float64(Float64(1.0 - Float64(1.0 / Float64(x * 9.0))) - Float64(y / Float64(3.0 * sqrt(x))))
end
function tmp = code(x, y)
	tmp = (1.0 - (1.0 / (x * 9.0))) - (y / (3.0 * sqrt(x)));
end
code[x_, y_] := N[(N[(1.0 - N[(1.0 / N[(x * 9.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - N[(y / N[(3.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}}
\end{array}
Derivation
  1. Initial program 99.7%

    \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
  2. Add Preprocessing
  3. Final simplification99.7%

    \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
  4. Add Preprocessing

Alternative 2: 94.3% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -1.1 \cdot 10^{+83}:\\ \;\;\;\;1 + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\\ \mathbf{elif}\;y \leq 9 \cdot 10^{+38}:\\ \;\;\;\;1 - {\left(x \cdot 9\right)}^{-1}\\ \mathbf{else}:\\ \;\;\;\;1 + \frac{{x}^{-0.5}}{\frac{-3}{y}}\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (if (<= y -1.1e+83)
   (+ 1.0 (* -0.3333333333333333 (/ y (sqrt x))))
   (if (<= y 9e+38)
     (- 1.0 (pow (* x 9.0) -1.0))
     (+ 1.0 (/ (pow x -0.5) (/ -3.0 y))))))
double code(double x, double y) {
	double tmp;
	if (y <= -1.1e+83) {
		tmp = 1.0 + (-0.3333333333333333 * (y / sqrt(x)));
	} else if (y <= 9e+38) {
		tmp = 1.0 - pow((x * 9.0), -1.0);
	} else {
		tmp = 1.0 + (pow(x, -0.5) / (-3.0 / y));
	}
	return tmp;
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if (y <= (-1.1d+83)) then
        tmp = 1.0d0 + ((-0.3333333333333333d0) * (y / sqrt(x)))
    else if (y <= 9d+38) then
        tmp = 1.0d0 - ((x * 9.0d0) ** (-1.0d0))
    else
        tmp = 1.0d0 + ((x ** (-0.5d0)) / ((-3.0d0) / y))
    end if
    code = tmp
end function
public static double code(double x, double y) {
	double tmp;
	if (y <= -1.1e+83) {
		tmp = 1.0 + (-0.3333333333333333 * (y / Math.sqrt(x)));
	} else if (y <= 9e+38) {
		tmp = 1.0 - Math.pow((x * 9.0), -1.0);
	} else {
		tmp = 1.0 + (Math.pow(x, -0.5) / (-3.0 / y));
	}
	return tmp;
}
def code(x, y):
	tmp = 0
	if y <= -1.1e+83:
		tmp = 1.0 + (-0.3333333333333333 * (y / math.sqrt(x)))
	elif y <= 9e+38:
		tmp = 1.0 - math.pow((x * 9.0), -1.0)
	else:
		tmp = 1.0 + (math.pow(x, -0.5) / (-3.0 / y))
	return tmp
function code(x, y)
	tmp = 0.0
	if (y <= -1.1e+83)
		tmp = Float64(1.0 + Float64(-0.3333333333333333 * Float64(y / sqrt(x))));
	elseif (y <= 9e+38)
		tmp = Float64(1.0 - (Float64(x * 9.0) ^ -1.0));
	else
		tmp = Float64(1.0 + Float64((x ^ -0.5) / Float64(-3.0 / y)));
	end
	return tmp
end
function tmp_2 = code(x, y)
	tmp = 0.0;
	if (y <= -1.1e+83)
		tmp = 1.0 + (-0.3333333333333333 * (y / sqrt(x)));
	elseif (y <= 9e+38)
		tmp = 1.0 - ((x * 9.0) ^ -1.0);
	else
		tmp = 1.0 + ((x ^ -0.5) / (-3.0 / y));
	end
	tmp_2 = tmp;
end
code[x_, y_] := If[LessEqual[y, -1.1e+83], N[(1.0 + N[(-0.3333333333333333 * N[(y / N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 9e+38], N[(1.0 - N[Power[N[(x * 9.0), $MachinePrecision], -1.0], $MachinePrecision]), $MachinePrecision], N[(1.0 + N[(N[Power[x, -0.5], $MachinePrecision] / N[(-3.0 / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.1 \cdot 10^{+83}:\\
\;\;\;\;1 + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\\

\mathbf{elif}\;y \leq 9 \cdot 10^{+38}:\\
\;\;\;\;1 - {\left(x \cdot 9\right)}^{-1}\\

\mathbf{else}:\\
\;\;\;\;1 + \frac{{x}^{-0.5}}{\frac{-3}{y}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if y < -1.09999999999999999e83

    1. Initial program 99.5%

      \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
    2. Step-by-step derivation
      1. associate--l-99.5%

        \[\leadsto \color{blue}{1 - \left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)} \]
      2. sub-neg99.5%

        \[\leadsto \color{blue}{1 + \left(-\left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)\right)} \]
      3. +-commutative99.5%

        \[\leadsto 1 + \left(-\color{blue}{\left(\frac{y}{3 \cdot \sqrt{x}} + \frac{1}{x \cdot 9}\right)}\right) \]
      4. distribute-neg-in99.5%

        \[\leadsto 1 + \color{blue}{\left(\left(-\frac{y}{3 \cdot \sqrt{x}}\right) + \left(-\frac{1}{x \cdot 9}\right)\right)} \]
      5. distribute-frac-neg99.5%

        \[\leadsto 1 + \left(\color{blue}{\frac{-y}{3 \cdot \sqrt{x}}} + \left(-\frac{1}{x \cdot 9}\right)\right) \]
      6. sub-neg99.5%

        \[\leadsto 1 + \color{blue}{\left(\frac{-y}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right)} \]
      7. neg-mul-199.5%

        \[\leadsto 1 + \left(\frac{\color{blue}{-1 \cdot y}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      8. *-commutative99.5%

        \[\leadsto 1 + \left(\frac{\color{blue}{y \cdot -1}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      9. associate-/l*99.5%

        \[\leadsto 1 + \left(\color{blue}{y \cdot \frac{-1}{3 \cdot \sqrt{x}}} - \frac{1}{x \cdot 9}\right) \]
      10. fmm-def99.5%

        \[\leadsto 1 + \color{blue}{\mathsf{fma}\left(y, \frac{-1}{3 \cdot \sqrt{x}}, -\frac{1}{x \cdot 9}\right)} \]
      11. associate-/r*99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
      12. metadata-eval99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
      13. *-commutative99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
      14. associate-/r*99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      15. distribute-neg-frac99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \color{blue}{\frac{-\frac{1}{9}}{x}}\right) \]
      16. metadata-eval99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-\color{blue}{0.1111111111111111}}{x}\right) \]
      17. metadata-eval99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{\color{blue}{-0.1111111111111111}}{x}\right) \]
    3. Simplified99.6%

      \[\leadsto \color{blue}{1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-0.1111111111111111}{x}\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in y around inf 99.4%

      \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \left(\sqrt{\frac{1}{x}} \cdot y\right)} \]
    6. Step-by-step derivation
      1. associate-*r*99.5%

        \[\leadsto 1 + \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
      2. *-commutative99.5%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{\frac{1}{x}} \cdot -0.3333333333333333\right)} \cdot y \]
      3. associate-*l*99.5%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)} \]
    7. Simplified99.5%

      \[\leadsto 1 + \color{blue}{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)} \]
    8. Step-by-step derivation
      1. add-log-exp15.5%

        \[\leadsto 1 + \color{blue}{\log \left(e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)} \]
      2. *-un-lft-identity15.5%

        \[\leadsto 1 + \log \color{blue}{\left(1 \cdot e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)} \]
      3. log-prod15.5%

        \[\leadsto 1 + \color{blue}{\left(\log 1 + \log \left(e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)\right)} \]
      4. metadata-eval15.5%

        \[\leadsto 1 + \left(\color{blue}{0} + \log \left(e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)\right) \]
      5. add-log-exp99.5%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right) \]
      6. *-commutative99.5%

        \[\leadsto 1 + \left(0 + \color{blue}{\left(-0.3333333333333333 \cdot y\right) \cdot \sqrt{\frac{1}{x}}}\right) \]
      7. associate-*r*99.4%

        \[\leadsto 1 + \left(0 + \color{blue}{-0.3333333333333333 \cdot \left(y \cdot \sqrt{\frac{1}{x}}\right)}\right) \]
      8. sqrt-div99.6%

        \[\leadsto 1 + \left(0 + -0.3333333333333333 \cdot \left(y \cdot \color{blue}{\frac{\sqrt{1}}{\sqrt{x}}}\right)\right) \]
      9. metadata-eval99.6%

        \[\leadsto 1 + \left(0 + -0.3333333333333333 \cdot \left(y \cdot \frac{\color{blue}{1}}{\sqrt{x}}\right)\right) \]
      10. un-div-inv99.6%

        \[\leadsto 1 + \left(0 + -0.3333333333333333 \cdot \color{blue}{\frac{y}{\sqrt{x}}}\right) \]
    9. Applied egg-rr99.6%

      \[\leadsto 1 + \color{blue}{\left(0 + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\right)} \]
    10. Step-by-step derivation
      1. +-lft-identity99.6%

        \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \frac{y}{\sqrt{x}}} \]
    11. Simplified99.6%

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

    if -1.09999999999999999e83 < y < 8.99999999999999961e38

    1. Initial program 99.8%

      \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
    2. Step-by-step derivation
      1. associate--l-99.8%

        \[\leadsto \color{blue}{1 - \left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)} \]
      2. sub-neg99.8%

        \[\leadsto \color{blue}{1 + \left(-\left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)\right)} \]
      3. +-commutative99.8%

        \[\leadsto 1 + \left(-\color{blue}{\left(\frac{y}{3 \cdot \sqrt{x}} + \frac{1}{x \cdot 9}\right)}\right) \]
      4. distribute-neg-in99.8%

        \[\leadsto 1 + \color{blue}{\left(\left(-\frac{y}{3 \cdot \sqrt{x}}\right) + \left(-\frac{1}{x \cdot 9}\right)\right)} \]
      5. distribute-frac-neg99.8%

        \[\leadsto 1 + \left(\color{blue}{\frac{-y}{3 \cdot \sqrt{x}}} + \left(-\frac{1}{x \cdot 9}\right)\right) \]
      6. sub-neg99.8%

        \[\leadsto 1 + \color{blue}{\left(\frac{-y}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right)} \]
      7. neg-mul-199.8%

        \[\leadsto 1 + \left(\frac{\color{blue}{-1 \cdot y}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      8. *-commutative99.8%

        \[\leadsto 1 + \left(\frac{\color{blue}{y \cdot -1}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      9. associate-/l*99.8%

        \[\leadsto 1 + \left(\color{blue}{y \cdot \frac{-1}{3 \cdot \sqrt{x}}} - \frac{1}{x \cdot 9}\right) \]
      10. fmm-def99.8%

        \[\leadsto 1 + \color{blue}{\mathsf{fma}\left(y, \frac{-1}{3 \cdot \sqrt{x}}, -\frac{1}{x \cdot 9}\right)} \]
      11. associate-/r*99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
      12. metadata-eval99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
      13. *-commutative99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
      14. associate-/r*99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      15. distribute-neg-frac99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \color{blue}{\frac{-\frac{1}{9}}{x}}\right) \]
      16. metadata-eval99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-\color{blue}{0.1111111111111111}}{x}\right) \]
      17. metadata-eval99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{\color{blue}{-0.1111111111111111}}{x}\right) \]
    3. Simplified99.7%

      \[\leadsto \color{blue}{1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-0.1111111111111111}{x}\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in y around 0 98.0%

      \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111}{x}} \]
    6. Step-by-step derivation
      1. add-sqr-sqrt0.0%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}} \]
      2. sqrt-unprod43.4%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}} \]
      3. frac-times43.4%

        \[\leadsto 1 + \sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}} \]
      4. metadata-eval43.4%

        \[\leadsto 1 + \sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}} \]
      5. metadata-eval43.4%

        \[\leadsto 1 + \sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}} \]
      6. frac-times43.4%

        \[\leadsto 1 + \sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}} \]
      7. clear-num43.4%

        \[\leadsto 1 + \sqrt{\color{blue}{\frac{1}{\frac{x}{0.1111111111111111}}} \cdot \frac{0.1111111111111111}{x}} \]
      8. clear-num43.4%

        \[\leadsto 1 + \sqrt{\frac{1}{\frac{x}{0.1111111111111111}} \cdot \color{blue}{\frac{1}{\frac{x}{0.1111111111111111}}}} \]
      9. frac-times43.4%

        \[\leadsto 1 + \sqrt{\color{blue}{\frac{1 \cdot 1}{\frac{x}{0.1111111111111111} \cdot \frac{x}{0.1111111111111111}}}} \]
      10. div-inv43.4%

        \[\leadsto 1 + \sqrt{\frac{1 \cdot 1}{\color{blue}{\left(x \cdot \frac{1}{0.1111111111111111}\right)} \cdot \frac{x}{0.1111111111111111}}} \]
      11. metadata-eval43.4%

        \[\leadsto 1 + \sqrt{\frac{1 \cdot 1}{\left(x \cdot \color{blue}{9}\right) \cdot \frac{x}{0.1111111111111111}}} \]
      12. div-inv43.4%

        \[\leadsto 1 + \sqrt{\frac{1 \cdot 1}{\left(x \cdot 9\right) \cdot \color{blue}{\left(x \cdot \frac{1}{0.1111111111111111}\right)}}} \]
      13. metadata-eval43.4%

        \[\leadsto 1 + \sqrt{\frac{1 \cdot 1}{\left(x \cdot 9\right) \cdot \left(x \cdot \color{blue}{9}\right)}} \]
      14. frac-times43.4%

        \[\leadsto 1 + \sqrt{\color{blue}{\frac{1}{x \cdot 9} \cdot \frac{1}{x \cdot 9}}} \]
      15. sqrt-unprod43.5%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{1}{x \cdot 9}} \cdot \sqrt{\frac{1}{x \cdot 9}}} \]
      16. add-sqr-sqrt43.5%

        \[\leadsto 1 + \color{blue}{\frac{1}{x \cdot 9}} \]
      17. metadata-eval43.5%

        \[\leadsto 1 + \frac{1}{x \cdot \color{blue}{\frac{1}{0.1111111111111111}}} \]
      18. div-inv43.5%

        \[\leadsto 1 + \frac{1}{\color{blue}{\frac{x}{0.1111111111111111}}} \]
      19. frac-2neg43.5%

        \[\leadsto 1 + \frac{1}{\color{blue}{\frac{-x}{-0.1111111111111111}}} \]
      20. metadata-eval43.5%

        \[\leadsto 1 + \frac{1}{\frac{-x}{\color{blue}{-0.1111111111111111}}} \]
      21. clear-num43.5%

        \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111}{-x}} \]
      22. distribute-frac-neg243.5%

        \[\leadsto 1 + \color{blue}{\left(-\frac{-0.1111111111111111}{x}\right)} \]
    7. Applied egg-rr43.5%

      \[\leadsto 1 + \color{blue}{\left(-\frac{-0.1111111111111111}{x}\right)} \]
    8. Step-by-step derivation
      1. add-sqr-sqrt0.0%

        \[\leadsto 1 + \left(-\color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}}\right) \]
      2. sqrt-unprod71.2%

        \[\leadsto 1 + \left(-\color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}}\right) \]
      3. frac-times71.2%

        \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}}\right) \]
      4. metadata-eval71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}}\right) \]
      5. metadata-eval71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}}\right) \]
      6. frac-times71.2%

        \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}}\right) \]
      7. clear-num71.2%

        \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{1}{\frac{x}{0.1111111111111111}}} \cdot \frac{0.1111111111111111}{x}}\right) \]
      8. clear-num71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{1}{\frac{x}{0.1111111111111111}} \cdot \color{blue}{\frac{1}{\frac{x}{0.1111111111111111}}}}\right) \]
      9. frac-times71.1%

        \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{1 \cdot 1}{\frac{x}{0.1111111111111111} \cdot \frac{x}{0.1111111111111111}}}}\right) \]
      10. div-inv71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{1 \cdot 1}{\color{blue}{\left(x \cdot \frac{1}{0.1111111111111111}\right)} \cdot \frac{x}{0.1111111111111111}}}\right) \]
      11. metadata-eval71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{1 \cdot 1}{\left(x \cdot \color{blue}{9}\right) \cdot \frac{x}{0.1111111111111111}}}\right) \]
      12. div-inv71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{1 \cdot 1}{\left(x \cdot 9\right) \cdot \color{blue}{\left(x \cdot \frac{1}{0.1111111111111111}\right)}}}\right) \]
      13. metadata-eval71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{1 \cdot 1}{\left(x \cdot 9\right) \cdot \left(x \cdot \color{blue}{9}\right)}}\right) \]
      14. frac-times71.2%

        \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{1}{x \cdot 9} \cdot \frac{1}{x \cdot 9}}}\right) \]
      15. sqrt-unprod97.8%

        \[\leadsto 1 + \left(-\color{blue}{\sqrt{\frac{1}{x \cdot 9}} \cdot \sqrt{\frac{1}{x \cdot 9}}}\right) \]
      16. add-sqr-sqrt98.1%

        \[\leadsto 1 + \left(-\color{blue}{\frac{1}{x \cdot 9}}\right) \]
      17. inv-pow98.1%

        \[\leadsto 1 + \left(-\color{blue}{{\left(x \cdot 9\right)}^{-1}}\right) \]
    9. Applied egg-rr98.1%

      \[\leadsto 1 + \left(-\color{blue}{{\left(x \cdot 9\right)}^{-1}}\right) \]

    if 8.99999999999999961e38 < y

    1. Initial program 99.7%

      \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
    2. Step-by-step derivation
      1. associate--l-99.7%

        \[\leadsto \color{blue}{1 - \left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)} \]
      2. sub-neg99.7%

        \[\leadsto \color{blue}{1 + \left(-\left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)\right)} \]
      3. +-commutative99.7%

        \[\leadsto 1 + \left(-\color{blue}{\left(\frac{y}{3 \cdot \sqrt{x}} + \frac{1}{x \cdot 9}\right)}\right) \]
      4. distribute-neg-in99.7%

        \[\leadsto 1 + \color{blue}{\left(\left(-\frac{y}{3 \cdot \sqrt{x}}\right) + \left(-\frac{1}{x \cdot 9}\right)\right)} \]
      5. distribute-frac-neg99.7%

        \[\leadsto 1 + \left(\color{blue}{\frac{-y}{3 \cdot \sqrt{x}}} + \left(-\frac{1}{x \cdot 9}\right)\right) \]
      6. sub-neg99.7%

        \[\leadsto 1 + \color{blue}{\left(\frac{-y}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right)} \]
      7. neg-mul-199.7%

        \[\leadsto 1 + \left(\frac{\color{blue}{-1 \cdot y}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      8. *-commutative99.7%

        \[\leadsto 1 + \left(\frac{\color{blue}{y \cdot -1}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      9. associate-/l*99.7%

        \[\leadsto 1 + \left(\color{blue}{y \cdot \frac{-1}{3 \cdot \sqrt{x}}} - \frac{1}{x \cdot 9}\right) \]
      10. fmm-def99.7%

        \[\leadsto 1 + \color{blue}{\mathsf{fma}\left(y, \frac{-1}{3 \cdot \sqrt{x}}, -\frac{1}{x \cdot 9}\right)} \]
      11. associate-/r*99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
      12. metadata-eval99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
      13. *-commutative99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
      14. associate-/r*99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      15. distribute-neg-frac99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \color{blue}{\frac{-\frac{1}{9}}{x}}\right) \]
      16. metadata-eval99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-\color{blue}{0.1111111111111111}}{x}\right) \]
      17. metadata-eval99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{\color{blue}{-0.1111111111111111}}{x}\right) \]
    3. Simplified99.5%

      \[\leadsto \color{blue}{1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-0.1111111111111111}{x}\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in y around inf 94.6%

      \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \left(\sqrt{\frac{1}{x}} \cdot y\right)} \]
    6. Step-by-step derivation
      1. associate-*r*94.6%

        \[\leadsto 1 + \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
      2. *-commutative94.6%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{\frac{1}{x}} \cdot -0.3333333333333333\right)} \cdot y \]
      3. associate-*l*94.6%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)} \]
    7. Simplified94.6%

      \[\leadsto 1 + \color{blue}{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)} \]
    8. Step-by-step derivation
      1. add-log-exp27.8%

        \[\leadsto 1 + \color{blue}{\log \left(e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)} \]
      2. *-un-lft-identity27.8%

        \[\leadsto 1 + \log \color{blue}{\left(1 \cdot e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)} \]
      3. log-prod27.8%

        \[\leadsto 1 + \color{blue}{\left(\log 1 + \log \left(e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)\right)} \]
      4. metadata-eval27.8%

        \[\leadsto 1 + \left(\color{blue}{0} + \log \left(e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)\right) \]
      5. add-log-exp94.6%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right) \]
      6. *-commutative94.6%

        \[\leadsto 1 + \left(0 + \color{blue}{\left(-0.3333333333333333 \cdot y\right) \cdot \sqrt{\frac{1}{x}}}\right) \]
      7. associate-*r*94.6%

        \[\leadsto 1 + \left(0 + \color{blue}{-0.3333333333333333 \cdot \left(y \cdot \sqrt{\frac{1}{x}}\right)}\right) \]
      8. sqrt-div94.5%

        \[\leadsto 1 + \left(0 + -0.3333333333333333 \cdot \left(y \cdot \color{blue}{\frac{\sqrt{1}}{\sqrt{x}}}\right)\right) \]
      9. metadata-eval94.5%

        \[\leadsto 1 + \left(0 + -0.3333333333333333 \cdot \left(y \cdot \frac{\color{blue}{1}}{\sqrt{x}}\right)\right) \]
      10. un-div-inv94.7%

        \[\leadsto 1 + \left(0 + -0.3333333333333333 \cdot \color{blue}{\frac{y}{\sqrt{x}}}\right) \]
    9. Applied egg-rr94.7%

      \[\leadsto 1 + \color{blue}{\left(0 + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\right)} \]
    10. Step-by-step derivation
      1. +-lft-identity94.7%

        \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \frac{y}{\sqrt{x}}} \]
    11. Simplified94.7%

      \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \frac{y}{\sqrt{x}}} \]
    12. Step-by-step derivation
      1. clear-num94.5%

        \[\leadsto 1 + -0.3333333333333333 \cdot \color{blue}{\frac{1}{\frac{\sqrt{x}}{y}}} \]
      2. un-div-inv94.6%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\frac{\sqrt{x}}{y}}} \]
    13. Applied egg-rr94.6%

      \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\frac{\sqrt{x}}{y}}} \]
    14. Step-by-step derivation
      1. associate-/r/94.6%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}} \cdot y} \]
    15. Simplified94.6%

      \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}} \cdot y} \]
    16. Step-by-step derivation
      1. associate-*l/94.6%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333 \cdot y}{\sqrt{x}}} \]
      2. clear-num94.5%

        \[\leadsto 1 + \color{blue}{\frac{1}{\frac{\sqrt{x}}{-0.3333333333333333 \cdot y}}} \]
      3. div-inv94.4%

        \[\leadsto 1 + \frac{1}{\color{blue}{\sqrt{x} \cdot \frac{1}{-0.3333333333333333 \cdot y}}} \]
      4. associate-/r*94.7%

        \[\leadsto 1 + \color{blue}{\frac{\frac{1}{\sqrt{x}}}{\frac{1}{-0.3333333333333333 \cdot y}}} \]
      5. pow1/294.7%

        \[\leadsto 1 + \frac{\frac{1}{\color{blue}{{x}^{0.5}}}}{\frac{1}{-0.3333333333333333 \cdot y}} \]
      6. pow-flip94.7%

        \[\leadsto 1 + \frac{\color{blue}{{x}^{\left(-0.5\right)}}}{\frac{1}{-0.3333333333333333 \cdot y}} \]
      7. metadata-eval94.7%

        \[\leadsto 1 + \frac{{x}^{\color{blue}{-0.5}}}{\frac{1}{-0.3333333333333333 \cdot y}} \]
      8. associate-/r*94.8%

        \[\leadsto 1 + \frac{{x}^{-0.5}}{\color{blue}{\frac{\frac{1}{-0.3333333333333333}}{y}}} \]
      9. metadata-eval94.8%

        \[\leadsto 1 + \frac{{x}^{-0.5}}{\frac{\color{blue}{-3}}{y}} \]
    17. Applied egg-rr94.8%

      \[\leadsto 1 + \color{blue}{\frac{{x}^{-0.5}}{\frac{-3}{y}}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification97.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -1.1 \cdot 10^{+83}:\\ \;\;\;\;1 + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\\ \mathbf{elif}\;y \leq 9 \cdot 10^{+38}:\\ \;\;\;\;1 - {\left(x \cdot 9\right)}^{-1}\\ \mathbf{else}:\\ \;\;\;\;1 + \frac{{x}^{-0.5}}{\frac{-3}{y}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 94.3% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -9.2 \cdot 10^{+82} \lor \neg \left(y \leq 9.5 \cdot 10^{+37}\right):\\ \;\;\;\;1 + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\\ \mathbf{else}:\\ \;\;\;\;1 - {\left(x \cdot 9\right)}^{-1}\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (if (or (<= y -9.2e+82) (not (<= y 9.5e+37)))
   (+ 1.0 (* -0.3333333333333333 (/ y (sqrt x))))
   (- 1.0 (pow (* x 9.0) -1.0))))
double code(double x, double y) {
	double tmp;
	if ((y <= -9.2e+82) || !(y <= 9.5e+37)) {
		tmp = 1.0 + (-0.3333333333333333 * (y / sqrt(x)));
	} else {
		tmp = 1.0 - pow((x * 9.0), -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 <= (-9.2d+82)) .or. (.not. (y <= 9.5d+37))) then
        tmp = 1.0d0 + ((-0.3333333333333333d0) * (y / sqrt(x)))
    else
        tmp = 1.0d0 - ((x * 9.0d0) ** (-1.0d0))
    end if
    code = tmp
end function
public static double code(double x, double y) {
	double tmp;
	if ((y <= -9.2e+82) || !(y <= 9.5e+37)) {
		tmp = 1.0 + (-0.3333333333333333 * (y / Math.sqrt(x)));
	} else {
		tmp = 1.0 - Math.pow((x * 9.0), -1.0);
	}
	return tmp;
}
def code(x, y):
	tmp = 0
	if (y <= -9.2e+82) or not (y <= 9.5e+37):
		tmp = 1.0 + (-0.3333333333333333 * (y / math.sqrt(x)))
	else:
		tmp = 1.0 - math.pow((x * 9.0), -1.0)
	return tmp
function code(x, y)
	tmp = 0.0
	if ((y <= -9.2e+82) || !(y <= 9.5e+37))
		tmp = Float64(1.0 + Float64(-0.3333333333333333 * Float64(y / sqrt(x))));
	else
		tmp = Float64(1.0 - (Float64(x * 9.0) ^ -1.0));
	end
	return tmp
end
function tmp_2 = code(x, y)
	tmp = 0.0;
	if ((y <= -9.2e+82) || ~((y <= 9.5e+37)))
		tmp = 1.0 + (-0.3333333333333333 * (y / sqrt(x)));
	else
		tmp = 1.0 - ((x * 9.0) ^ -1.0);
	end
	tmp_2 = tmp;
end
code[x_, y_] := If[Or[LessEqual[y, -9.2e+82], N[Not[LessEqual[y, 9.5e+37]], $MachinePrecision]], N[(1.0 + N[(-0.3333333333333333 * N[(y / N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(1.0 - N[Power[N[(x * 9.0), $MachinePrecision], -1.0], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -9.2 \cdot 10^{+82} \lor \neg \left(y \leq 9.5 \cdot 10^{+37}\right):\\
\;\;\;\;1 + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\\

\mathbf{else}:\\
\;\;\;\;1 - {\left(x \cdot 9\right)}^{-1}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if y < -9.19999999999999953e82 or 9.4999999999999995e37 < y

    1. Initial program 99.6%

      \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
    2. Step-by-step derivation
      1. associate--l-99.6%

        \[\leadsto \color{blue}{1 - \left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)} \]
      2. sub-neg99.6%

        \[\leadsto \color{blue}{1 + \left(-\left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)\right)} \]
      3. +-commutative99.6%

        \[\leadsto 1 + \left(-\color{blue}{\left(\frac{y}{3 \cdot \sqrt{x}} + \frac{1}{x \cdot 9}\right)}\right) \]
      4. distribute-neg-in99.6%

        \[\leadsto 1 + \color{blue}{\left(\left(-\frac{y}{3 \cdot \sqrt{x}}\right) + \left(-\frac{1}{x \cdot 9}\right)\right)} \]
      5. distribute-frac-neg99.6%

        \[\leadsto 1 + \left(\color{blue}{\frac{-y}{3 \cdot \sqrt{x}}} + \left(-\frac{1}{x \cdot 9}\right)\right) \]
      6. sub-neg99.6%

        \[\leadsto 1 + \color{blue}{\left(\frac{-y}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right)} \]
      7. neg-mul-199.6%

        \[\leadsto 1 + \left(\frac{\color{blue}{-1 \cdot y}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      8. *-commutative99.6%

        \[\leadsto 1 + \left(\frac{\color{blue}{y \cdot -1}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      9. associate-/l*99.6%

        \[\leadsto 1 + \left(\color{blue}{y \cdot \frac{-1}{3 \cdot \sqrt{x}}} - \frac{1}{x \cdot 9}\right) \]
      10. fmm-def99.6%

        \[\leadsto 1 + \color{blue}{\mathsf{fma}\left(y, \frac{-1}{3 \cdot \sqrt{x}}, -\frac{1}{x \cdot 9}\right)} \]
      11. associate-/r*99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
      12. metadata-eval99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
      13. *-commutative99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
      14. associate-/r*99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      15. distribute-neg-frac99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \color{blue}{\frac{-\frac{1}{9}}{x}}\right) \]
      16. metadata-eval99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-\color{blue}{0.1111111111111111}}{x}\right) \]
      17. metadata-eval99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{\color{blue}{-0.1111111111111111}}{x}\right) \]
    3. Simplified99.6%

      \[\leadsto \color{blue}{1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-0.1111111111111111}{x}\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in y around inf 96.8%

      \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \left(\sqrt{\frac{1}{x}} \cdot y\right)} \]
    6. Step-by-step derivation
      1. associate-*r*96.8%

        \[\leadsto 1 + \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
      2. *-commutative96.8%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{\frac{1}{x}} \cdot -0.3333333333333333\right)} \cdot y \]
      3. associate-*l*96.8%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)} \]
    7. Simplified96.8%

      \[\leadsto 1 + \color{blue}{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)} \]
    8. Step-by-step derivation
      1. add-log-exp22.2%

        \[\leadsto 1 + \color{blue}{\log \left(e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)} \]
      2. *-un-lft-identity22.2%

        \[\leadsto 1 + \log \color{blue}{\left(1 \cdot e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)} \]
      3. log-prod22.2%

        \[\leadsto 1 + \color{blue}{\left(\log 1 + \log \left(e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)\right)} \]
      4. metadata-eval22.2%

        \[\leadsto 1 + \left(\color{blue}{0} + \log \left(e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)\right) \]
      5. add-log-exp96.8%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right) \]
      6. *-commutative96.8%

        \[\leadsto 1 + \left(0 + \color{blue}{\left(-0.3333333333333333 \cdot y\right) \cdot \sqrt{\frac{1}{x}}}\right) \]
      7. associate-*r*96.8%

        \[\leadsto 1 + \left(0 + \color{blue}{-0.3333333333333333 \cdot \left(y \cdot \sqrt{\frac{1}{x}}\right)}\right) \]
      8. sqrt-div96.8%

        \[\leadsto 1 + \left(0 + -0.3333333333333333 \cdot \left(y \cdot \color{blue}{\frac{\sqrt{1}}{\sqrt{x}}}\right)\right) \]
      9. metadata-eval96.8%

        \[\leadsto 1 + \left(0 + -0.3333333333333333 \cdot \left(y \cdot \frac{\color{blue}{1}}{\sqrt{x}}\right)\right) \]
      10. un-div-inv96.9%

        \[\leadsto 1 + \left(0 + -0.3333333333333333 \cdot \color{blue}{\frac{y}{\sqrt{x}}}\right) \]
    9. Applied egg-rr96.9%

      \[\leadsto 1 + \color{blue}{\left(0 + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\right)} \]
    10. Step-by-step derivation
      1. +-lft-identity96.9%

        \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \frac{y}{\sqrt{x}}} \]
    11. Simplified96.9%

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

    if -9.19999999999999953e82 < y < 9.4999999999999995e37

    1. Initial program 99.8%

      \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
    2. Step-by-step derivation
      1. associate--l-99.8%

        \[\leadsto \color{blue}{1 - \left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)} \]
      2. sub-neg99.8%

        \[\leadsto \color{blue}{1 + \left(-\left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)\right)} \]
      3. +-commutative99.8%

        \[\leadsto 1 + \left(-\color{blue}{\left(\frac{y}{3 \cdot \sqrt{x}} + \frac{1}{x \cdot 9}\right)}\right) \]
      4. distribute-neg-in99.8%

        \[\leadsto 1 + \color{blue}{\left(\left(-\frac{y}{3 \cdot \sqrt{x}}\right) + \left(-\frac{1}{x \cdot 9}\right)\right)} \]
      5. distribute-frac-neg99.8%

        \[\leadsto 1 + \left(\color{blue}{\frac{-y}{3 \cdot \sqrt{x}}} + \left(-\frac{1}{x \cdot 9}\right)\right) \]
      6. sub-neg99.8%

        \[\leadsto 1 + \color{blue}{\left(\frac{-y}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right)} \]
      7. neg-mul-199.8%

        \[\leadsto 1 + \left(\frac{\color{blue}{-1 \cdot y}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      8. *-commutative99.8%

        \[\leadsto 1 + \left(\frac{\color{blue}{y \cdot -1}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      9. associate-/l*99.8%

        \[\leadsto 1 + \left(\color{blue}{y \cdot \frac{-1}{3 \cdot \sqrt{x}}} - \frac{1}{x \cdot 9}\right) \]
      10. fmm-def99.8%

        \[\leadsto 1 + \color{blue}{\mathsf{fma}\left(y, \frac{-1}{3 \cdot \sqrt{x}}, -\frac{1}{x \cdot 9}\right)} \]
      11. associate-/r*99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
      12. metadata-eval99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
      13. *-commutative99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
      14. associate-/r*99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      15. distribute-neg-frac99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \color{blue}{\frac{-\frac{1}{9}}{x}}\right) \]
      16. metadata-eval99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-\color{blue}{0.1111111111111111}}{x}\right) \]
      17. metadata-eval99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{\color{blue}{-0.1111111111111111}}{x}\right) \]
    3. Simplified99.7%

      \[\leadsto \color{blue}{1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-0.1111111111111111}{x}\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in y around 0 98.0%

      \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111}{x}} \]
    6. Step-by-step derivation
      1. add-sqr-sqrt0.0%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}} \]
      2. sqrt-unprod43.4%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}} \]
      3. frac-times43.4%

        \[\leadsto 1 + \sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}} \]
      4. metadata-eval43.4%

        \[\leadsto 1 + \sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}} \]
      5. metadata-eval43.4%

        \[\leadsto 1 + \sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}} \]
      6. frac-times43.4%

        \[\leadsto 1 + \sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}} \]
      7. clear-num43.4%

        \[\leadsto 1 + \sqrt{\color{blue}{\frac{1}{\frac{x}{0.1111111111111111}}} \cdot \frac{0.1111111111111111}{x}} \]
      8. clear-num43.4%

        \[\leadsto 1 + \sqrt{\frac{1}{\frac{x}{0.1111111111111111}} \cdot \color{blue}{\frac{1}{\frac{x}{0.1111111111111111}}}} \]
      9. frac-times43.4%

        \[\leadsto 1 + \sqrt{\color{blue}{\frac{1 \cdot 1}{\frac{x}{0.1111111111111111} \cdot \frac{x}{0.1111111111111111}}}} \]
      10. div-inv43.4%

        \[\leadsto 1 + \sqrt{\frac{1 \cdot 1}{\color{blue}{\left(x \cdot \frac{1}{0.1111111111111111}\right)} \cdot \frac{x}{0.1111111111111111}}} \]
      11. metadata-eval43.4%

        \[\leadsto 1 + \sqrt{\frac{1 \cdot 1}{\left(x \cdot \color{blue}{9}\right) \cdot \frac{x}{0.1111111111111111}}} \]
      12. div-inv43.4%

        \[\leadsto 1 + \sqrt{\frac{1 \cdot 1}{\left(x \cdot 9\right) \cdot \color{blue}{\left(x \cdot \frac{1}{0.1111111111111111}\right)}}} \]
      13. metadata-eval43.4%

        \[\leadsto 1 + \sqrt{\frac{1 \cdot 1}{\left(x \cdot 9\right) \cdot \left(x \cdot \color{blue}{9}\right)}} \]
      14. frac-times43.4%

        \[\leadsto 1 + \sqrt{\color{blue}{\frac{1}{x \cdot 9} \cdot \frac{1}{x \cdot 9}}} \]
      15. sqrt-unprod43.5%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{1}{x \cdot 9}} \cdot \sqrt{\frac{1}{x \cdot 9}}} \]
      16. add-sqr-sqrt43.5%

        \[\leadsto 1 + \color{blue}{\frac{1}{x \cdot 9}} \]
      17. metadata-eval43.5%

        \[\leadsto 1 + \frac{1}{x \cdot \color{blue}{\frac{1}{0.1111111111111111}}} \]
      18. div-inv43.5%

        \[\leadsto 1 + \frac{1}{\color{blue}{\frac{x}{0.1111111111111111}}} \]
      19. frac-2neg43.5%

        \[\leadsto 1 + \frac{1}{\color{blue}{\frac{-x}{-0.1111111111111111}}} \]
      20. metadata-eval43.5%

        \[\leadsto 1 + \frac{1}{\frac{-x}{\color{blue}{-0.1111111111111111}}} \]
      21. clear-num43.5%

        \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111}{-x}} \]
      22. distribute-frac-neg243.5%

        \[\leadsto 1 + \color{blue}{\left(-\frac{-0.1111111111111111}{x}\right)} \]
    7. Applied egg-rr43.5%

      \[\leadsto 1 + \color{blue}{\left(-\frac{-0.1111111111111111}{x}\right)} \]
    8. Step-by-step derivation
      1. add-sqr-sqrt0.0%

        \[\leadsto 1 + \left(-\color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}}\right) \]
      2. sqrt-unprod71.2%

        \[\leadsto 1 + \left(-\color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}}\right) \]
      3. frac-times71.2%

        \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}}\right) \]
      4. metadata-eval71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}}\right) \]
      5. metadata-eval71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}}\right) \]
      6. frac-times71.2%

        \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}}\right) \]
      7. clear-num71.2%

        \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{1}{\frac{x}{0.1111111111111111}}} \cdot \frac{0.1111111111111111}{x}}\right) \]
      8. clear-num71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{1}{\frac{x}{0.1111111111111111}} \cdot \color{blue}{\frac{1}{\frac{x}{0.1111111111111111}}}}\right) \]
      9. frac-times71.1%

        \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{1 \cdot 1}{\frac{x}{0.1111111111111111} \cdot \frac{x}{0.1111111111111111}}}}\right) \]
      10. div-inv71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{1 \cdot 1}{\color{blue}{\left(x \cdot \frac{1}{0.1111111111111111}\right)} \cdot \frac{x}{0.1111111111111111}}}\right) \]
      11. metadata-eval71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{1 \cdot 1}{\left(x \cdot \color{blue}{9}\right) \cdot \frac{x}{0.1111111111111111}}}\right) \]
      12. div-inv71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{1 \cdot 1}{\left(x \cdot 9\right) \cdot \color{blue}{\left(x \cdot \frac{1}{0.1111111111111111}\right)}}}\right) \]
      13. metadata-eval71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{1 \cdot 1}{\left(x \cdot 9\right) \cdot \left(x \cdot \color{blue}{9}\right)}}\right) \]
      14. frac-times71.2%

        \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{1}{x \cdot 9} \cdot \frac{1}{x \cdot 9}}}\right) \]
      15. sqrt-unprod97.8%

        \[\leadsto 1 + \left(-\color{blue}{\sqrt{\frac{1}{x \cdot 9}} \cdot \sqrt{\frac{1}{x \cdot 9}}}\right) \]
      16. add-sqr-sqrt98.1%

        \[\leadsto 1 + \left(-\color{blue}{\frac{1}{x \cdot 9}}\right) \]
      17. inv-pow98.1%

        \[\leadsto 1 + \left(-\color{blue}{{\left(x \cdot 9\right)}^{-1}}\right) \]
    9. Applied egg-rr98.1%

      \[\leadsto 1 + \left(-\color{blue}{{\left(x \cdot 9\right)}^{-1}}\right) \]
  3. Recombined 2 regimes into one program.
  4. Final simplification97.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -9.2 \cdot 10^{+82} \lor \neg \left(y \leq 9.5 \cdot 10^{+37}\right):\\ \;\;\;\;1 + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\\ \mathbf{else}:\\ \;\;\;\;1 - {\left(x \cdot 9\right)}^{-1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 94.3% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -9.2 \cdot 10^{+82}:\\ \;\;\;\;1 + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\\ \mathbf{elif}\;y \leq 2.8 \cdot 10^{+38}:\\ \;\;\;\;1 - {\left(x \cdot 9\right)}^{-1}\\ \mathbf{else}:\\ \;\;\;\;1 + \frac{y}{\sqrt{x} \cdot -3}\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (if (<= y -9.2e+82)
   (+ 1.0 (* -0.3333333333333333 (/ y (sqrt x))))
   (if (<= y 2.8e+38)
     (- 1.0 (pow (* x 9.0) -1.0))
     (+ 1.0 (/ y (* (sqrt x) -3.0))))))
double code(double x, double y) {
	double tmp;
	if (y <= -9.2e+82) {
		tmp = 1.0 + (-0.3333333333333333 * (y / sqrt(x)));
	} else if (y <= 2.8e+38) {
		tmp = 1.0 - pow((x * 9.0), -1.0);
	} else {
		tmp = 1.0 + (y / (sqrt(x) * -3.0));
	}
	return tmp;
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if (y <= (-9.2d+82)) then
        tmp = 1.0d0 + ((-0.3333333333333333d0) * (y / sqrt(x)))
    else if (y <= 2.8d+38) then
        tmp = 1.0d0 - ((x * 9.0d0) ** (-1.0d0))
    else
        tmp = 1.0d0 + (y / (sqrt(x) * (-3.0d0)))
    end if
    code = tmp
end function
public static double code(double x, double y) {
	double tmp;
	if (y <= -9.2e+82) {
		tmp = 1.0 + (-0.3333333333333333 * (y / Math.sqrt(x)));
	} else if (y <= 2.8e+38) {
		tmp = 1.0 - Math.pow((x * 9.0), -1.0);
	} else {
		tmp = 1.0 + (y / (Math.sqrt(x) * -3.0));
	}
	return tmp;
}
def code(x, y):
	tmp = 0
	if y <= -9.2e+82:
		tmp = 1.0 + (-0.3333333333333333 * (y / math.sqrt(x)))
	elif y <= 2.8e+38:
		tmp = 1.0 - math.pow((x * 9.0), -1.0)
	else:
		tmp = 1.0 + (y / (math.sqrt(x) * -3.0))
	return tmp
function code(x, y)
	tmp = 0.0
	if (y <= -9.2e+82)
		tmp = Float64(1.0 + Float64(-0.3333333333333333 * Float64(y / sqrt(x))));
	elseif (y <= 2.8e+38)
		tmp = Float64(1.0 - (Float64(x * 9.0) ^ -1.0));
	else
		tmp = Float64(1.0 + Float64(y / Float64(sqrt(x) * -3.0)));
	end
	return tmp
end
function tmp_2 = code(x, y)
	tmp = 0.0;
	if (y <= -9.2e+82)
		tmp = 1.0 + (-0.3333333333333333 * (y / sqrt(x)));
	elseif (y <= 2.8e+38)
		tmp = 1.0 - ((x * 9.0) ^ -1.0);
	else
		tmp = 1.0 + (y / (sqrt(x) * -3.0));
	end
	tmp_2 = tmp;
end
code[x_, y_] := If[LessEqual[y, -9.2e+82], N[(1.0 + N[(-0.3333333333333333 * N[(y / N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 2.8e+38], N[(1.0 - N[Power[N[(x * 9.0), $MachinePrecision], -1.0], $MachinePrecision]), $MachinePrecision], N[(1.0 + N[(y / N[(N[Sqrt[x], $MachinePrecision] * -3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -9.2 \cdot 10^{+82}:\\
\;\;\;\;1 + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\\

\mathbf{elif}\;y \leq 2.8 \cdot 10^{+38}:\\
\;\;\;\;1 - {\left(x \cdot 9\right)}^{-1}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if y < -9.19999999999999953e82

    1. Initial program 99.5%

      \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
    2. Step-by-step derivation
      1. associate--l-99.5%

        \[\leadsto \color{blue}{1 - \left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)} \]
      2. sub-neg99.5%

        \[\leadsto \color{blue}{1 + \left(-\left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)\right)} \]
      3. +-commutative99.5%

        \[\leadsto 1 + \left(-\color{blue}{\left(\frac{y}{3 \cdot \sqrt{x}} + \frac{1}{x \cdot 9}\right)}\right) \]
      4. distribute-neg-in99.5%

        \[\leadsto 1 + \color{blue}{\left(\left(-\frac{y}{3 \cdot \sqrt{x}}\right) + \left(-\frac{1}{x \cdot 9}\right)\right)} \]
      5. distribute-frac-neg99.5%

        \[\leadsto 1 + \left(\color{blue}{\frac{-y}{3 \cdot \sqrt{x}}} + \left(-\frac{1}{x \cdot 9}\right)\right) \]
      6. sub-neg99.5%

        \[\leadsto 1 + \color{blue}{\left(\frac{-y}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right)} \]
      7. neg-mul-199.5%

        \[\leadsto 1 + \left(\frac{\color{blue}{-1 \cdot y}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      8. *-commutative99.5%

        \[\leadsto 1 + \left(\frac{\color{blue}{y \cdot -1}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      9. associate-/l*99.5%

        \[\leadsto 1 + \left(\color{blue}{y \cdot \frac{-1}{3 \cdot \sqrt{x}}} - \frac{1}{x \cdot 9}\right) \]
      10. fmm-def99.5%

        \[\leadsto 1 + \color{blue}{\mathsf{fma}\left(y, \frac{-1}{3 \cdot \sqrt{x}}, -\frac{1}{x \cdot 9}\right)} \]
      11. associate-/r*99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
      12. metadata-eval99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
      13. *-commutative99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
      14. associate-/r*99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      15. distribute-neg-frac99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \color{blue}{\frac{-\frac{1}{9}}{x}}\right) \]
      16. metadata-eval99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-\color{blue}{0.1111111111111111}}{x}\right) \]
      17. metadata-eval99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{\color{blue}{-0.1111111111111111}}{x}\right) \]
    3. Simplified99.6%

      \[\leadsto \color{blue}{1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-0.1111111111111111}{x}\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in y around inf 99.4%

      \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \left(\sqrt{\frac{1}{x}} \cdot y\right)} \]
    6. Step-by-step derivation
      1. associate-*r*99.5%

        \[\leadsto 1 + \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
      2. *-commutative99.5%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{\frac{1}{x}} \cdot -0.3333333333333333\right)} \cdot y \]
      3. associate-*l*99.5%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)} \]
    7. Simplified99.5%

      \[\leadsto 1 + \color{blue}{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)} \]
    8. Step-by-step derivation
      1. add-log-exp15.5%

        \[\leadsto 1 + \color{blue}{\log \left(e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)} \]
      2. *-un-lft-identity15.5%

        \[\leadsto 1 + \log \color{blue}{\left(1 \cdot e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)} \]
      3. log-prod15.5%

        \[\leadsto 1 + \color{blue}{\left(\log 1 + \log \left(e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)\right)} \]
      4. metadata-eval15.5%

        \[\leadsto 1 + \left(\color{blue}{0} + \log \left(e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)\right) \]
      5. add-log-exp99.5%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right) \]
      6. *-commutative99.5%

        \[\leadsto 1 + \left(0 + \color{blue}{\left(-0.3333333333333333 \cdot y\right) \cdot \sqrt{\frac{1}{x}}}\right) \]
      7. associate-*r*99.4%

        \[\leadsto 1 + \left(0 + \color{blue}{-0.3333333333333333 \cdot \left(y \cdot \sqrt{\frac{1}{x}}\right)}\right) \]
      8. sqrt-div99.6%

        \[\leadsto 1 + \left(0 + -0.3333333333333333 \cdot \left(y \cdot \color{blue}{\frac{\sqrt{1}}{\sqrt{x}}}\right)\right) \]
      9. metadata-eval99.6%

        \[\leadsto 1 + \left(0 + -0.3333333333333333 \cdot \left(y \cdot \frac{\color{blue}{1}}{\sqrt{x}}\right)\right) \]
      10. un-div-inv99.6%

        \[\leadsto 1 + \left(0 + -0.3333333333333333 \cdot \color{blue}{\frac{y}{\sqrt{x}}}\right) \]
    9. Applied egg-rr99.6%

      \[\leadsto 1 + \color{blue}{\left(0 + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\right)} \]
    10. Step-by-step derivation
      1. +-lft-identity99.6%

        \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \frac{y}{\sqrt{x}}} \]
    11. Simplified99.6%

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

    if -9.19999999999999953e82 < y < 2.8e38

    1. Initial program 99.8%

      \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
    2. Step-by-step derivation
      1. associate--l-99.8%

        \[\leadsto \color{blue}{1 - \left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)} \]
      2. sub-neg99.8%

        \[\leadsto \color{blue}{1 + \left(-\left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)\right)} \]
      3. +-commutative99.8%

        \[\leadsto 1 + \left(-\color{blue}{\left(\frac{y}{3 \cdot \sqrt{x}} + \frac{1}{x \cdot 9}\right)}\right) \]
      4. distribute-neg-in99.8%

        \[\leadsto 1 + \color{blue}{\left(\left(-\frac{y}{3 \cdot \sqrt{x}}\right) + \left(-\frac{1}{x \cdot 9}\right)\right)} \]
      5. distribute-frac-neg99.8%

        \[\leadsto 1 + \left(\color{blue}{\frac{-y}{3 \cdot \sqrt{x}}} + \left(-\frac{1}{x \cdot 9}\right)\right) \]
      6. sub-neg99.8%

        \[\leadsto 1 + \color{blue}{\left(\frac{-y}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right)} \]
      7. neg-mul-199.8%

        \[\leadsto 1 + \left(\frac{\color{blue}{-1 \cdot y}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      8. *-commutative99.8%

        \[\leadsto 1 + \left(\frac{\color{blue}{y \cdot -1}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      9. associate-/l*99.8%

        \[\leadsto 1 + \left(\color{blue}{y \cdot \frac{-1}{3 \cdot \sqrt{x}}} - \frac{1}{x \cdot 9}\right) \]
      10. fmm-def99.8%

        \[\leadsto 1 + \color{blue}{\mathsf{fma}\left(y, \frac{-1}{3 \cdot \sqrt{x}}, -\frac{1}{x \cdot 9}\right)} \]
      11. associate-/r*99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
      12. metadata-eval99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
      13. *-commutative99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
      14. associate-/r*99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      15. distribute-neg-frac99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \color{blue}{\frac{-\frac{1}{9}}{x}}\right) \]
      16. metadata-eval99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-\color{blue}{0.1111111111111111}}{x}\right) \]
      17. metadata-eval99.7%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{\color{blue}{-0.1111111111111111}}{x}\right) \]
    3. Simplified99.7%

      \[\leadsto \color{blue}{1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-0.1111111111111111}{x}\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in y around 0 98.0%

      \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111}{x}} \]
    6. Step-by-step derivation
      1. add-sqr-sqrt0.0%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}} \]
      2. sqrt-unprod43.4%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}} \]
      3. frac-times43.4%

        \[\leadsto 1 + \sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}} \]
      4. metadata-eval43.4%

        \[\leadsto 1 + \sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}} \]
      5. metadata-eval43.4%

        \[\leadsto 1 + \sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}} \]
      6. frac-times43.4%

        \[\leadsto 1 + \sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}} \]
      7. clear-num43.4%

        \[\leadsto 1 + \sqrt{\color{blue}{\frac{1}{\frac{x}{0.1111111111111111}}} \cdot \frac{0.1111111111111111}{x}} \]
      8. clear-num43.4%

        \[\leadsto 1 + \sqrt{\frac{1}{\frac{x}{0.1111111111111111}} \cdot \color{blue}{\frac{1}{\frac{x}{0.1111111111111111}}}} \]
      9. frac-times43.4%

        \[\leadsto 1 + \sqrt{\color{blue}{\frac{1 \cdot 1}{\frac{x}{0.1111111111111111} \cdot \frac{x}{0.1111111111111111}}}} \]
      10. div-inv43.4%

        \[\leadsto 1 + \sqrt{\frac{1 \cdot 1}{\color{blue}{\left(x \cdot \frac{1}{0.1111111111111111}\right)} \cdot \frac{x}{0.1111111111111111}}} \]
      11. metadata-eval43.4%

        \[\leadsto 1 + \sqrt{\frac{1 \cdot 1}{\left(x \cdot \color{blue}{9}\right) \cdot \frac{x}{0.1111111111111111}}} \]
      12. div-inv43.4%

        \[\leadsto 1 + \sqrt{\frac{1 \cdot 1}{\left(x \cdot 9\right) \cdot \color{blue}{\left(x \cdot \frac{1}{0.1111111111111111}\right)}}} \]
      13. metadata-eval43.4%

        \[\leadsto 1 + \sqrt{\frac{1 \cdot 1}{\left(x \cdot 9\right) \cdot \left(x \cdot \color{blue}{9}\right)}} \]
      14. frac-times43.4%

        \[\leadsto 1 + \sqrt{\color{blue}{\frac{1}{x \cdot 9} \cdot \frac{1}{x \cdot 9}}} \]
      15. sqrt-unprod43.5%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{1}{x \cdot 9}} \cdot \sqrt{\frac{1}{x \cdot 9}}} \]
      16. add-sqr-sqrt43.5%

        \[\leadsto 1 + \color{blue}{\frac{1}{x \cdot 9}} \]
      17. metadata-eval43.5%

        \[\leadsto 1 + \frac{1}{x \cdot \color{blue}{\frac{1}{0.1111111111111111}}} \]
      18. div-inv43.5%

        \[\leadsto 1 + \frac{1}{\color{blue}{\frac{x}{0.1111111111111111}}} \]
      19. frac-2neg43.5%

        \[\leadsto 1 + \frac{1}{\color{blue}{\frac{-x}{-0.1111111111111111}}} \]
      20. metadata-eval43.5%

        \[\leadsto 1 + \frac{1}{\frac{-x}{\color{blue}{-0.1111111111111111}}} \]
      21. clear-num43.5%

        \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111}{-x}} \]
      22. distribute-frac-neg243.5%

        \[\leadsto 1 + \color{blue}{\left(-\frac{-0.1111111111111111}{x}\right)} \]
    7. Applied egg-rr43.5%

      \[\leadsto 1 + \color{blue}{\left(-\frac{-0.1111111111111111}{x}\right)} \]
    8. Step-by-step derivation
      1. add-sqr-sqrt0.0%

        \[\leadsto 1 + \left(-\color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}}\right) \]
      2. sqrt-unprod71.2%

        \[\leadsto 1 + \left(-\color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}}\right) \]
      3. frac-times71.2%

        \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}}\right) \]
      4. metadata-eval71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}}\right) \]
      5. metadata-eval71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}}\right) \]
      6. frac-times71.2%

        \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}}\right) \]
      7. clear-num71.2%

        \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{1}{\frac{x}{0.1111111111111111}}} \cdot \frac{0.1111111111111111}{x}}\right) \]
      8. clear-num71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{1}{\frac{x}{0.1111111111111111}} \cdot \color{blue}{\frac{1}{\frac{x}{0.1111111111111111}}}}\right) \]
      9. frac-times71.1%

        \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{1 \cdot 1}{\frac{x}{0.1111111111111111} \cdot \frac{x}{0.1111111111111111}}}}\right) \]
      10. div-inv71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{1 \cdot 1}{\color{blue}{\left(x \cdot \frac{1}{0.1111111111111111}\right)} \cdot \frac{x}{0.1111111111111111}}}\right) \]
      11. metadata-eval71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{1 \cdot 1}{\left(x \cdot \color{blue}{9}\right) \cdot \frac{x}{0.1111111111111111}}}\right) \]
      12. div-inv71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{1 \cdot 1}{\left(x \cdot 9\right) \cdot \color{blue}{\left(x \cdot \frac{1}{0.1111111111111111}\right)}}}\right) \]
      13. metadata-eval71.2%

        \[\leadsto 1 + \left(-\sqrt{\frac{1 \cdot 1}{\left(x \cdot 9\right) \cdot \left(x \cdot \color{blue}{9}\right)}}\right) \]
      14. frac-times71.2%

        \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{1}{x \cdot 9} \cdot \frac{1}{x \cdot 9}}}\right) \]
      15. sqrt-unprod97.8%

        \[\leadsto 1 + \left(-\color{blue}{\sqrt{\frac{1}{x \cdot 9}} \cdot \sqrt{\frac{1}{x \cdot 9}}}\right) \]
      16. add-sqr-sqrt98.1%

        \[\leadsto 1 + \left(-\color{blue}{\frac{1}{x \cdot 9}}\right) \]
      17. inv-pow98.1%

        \[\leadsto 1 + \left(-\color{blue}{{\left(x \cdot 9\right)}^{-1}}\right) \]
    9. Applied egg-rr98.1%

      \[\leadsto 1 + \left(-\color{blue}{{\left(x \cdot 9\right)}^{-1}}\right) \]

    if 2.8e38 < y

    1. Initial program 99.7%

      \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
    2. Step-by-step derivation
      1. associate--l-99.7%

        \[\leadsto \color{blue}{1 - \left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)} \]
      2. sub-neg99.7%

        \[\leadsto \color{blue}{1 + \left(-\left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)\right)} \]
      3. +-commutative99.7%

        \[\leadsto 1 + \left(-\color{blue}{\left(\frac{y}{3 \cdot \sqrt{x}} + \frac{1}{x \cdot 9}\right)}\right) \]
      4. distribute-neg-in99.7%

        \[\leadsto 1 + \color{blue}{\left(\left(-\frac{y}{3 \cdot \sqrt{x}}\right) + \left(-\frac{1}{x \cdot 9}\right)\right)} \]
      5. distribute-frac-neg99.7%

        \[\leadsto 1 + \left(\color{blue}{\frac{-y}{3 \cdot \sqrt{x}}} + \left(-\frac{1}{x \cdot 9}\right)\right) \]
      6. sub-neg99.7%

        \[\leadsto 1 + \color{blue}{\left(\frac{-y}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right)} \]
      7. neg-mul-199.7%

        \[\leadsto 1 + \left(\frac{\color{blue}{-1 \cdot y}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      8. *-commutative99.7%

        \[\leadsto 1 + \left(\frac{\color{blue}{y \cdot -1}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      9. associate-/l*99.7%

        \[\leadsto 1 + \left(\color{blue}{y \cdot \frac{-1}{3 \cdot \sqrt{x}}} - \frac{1}{x \cdot 9}\right) \]
      10. fmm-def99.7%

        \[\leadsto 1 + \color{blue}{\mathsf{fma}\left(y, \frac{-1}{3 \cdot \sqrt{x}}, -\frac{1}{x \cdot 9}\right)} \]
      11. associate-/r*99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
      12. metadata-eval99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
      13. *-commutative99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
      14. associate-/r*99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      15. distribute-neg-frac99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \color{blue}{\frac{-\frac{1}{9}}{x}}\right) \]
      16. metadata-eval99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-\color{blue}{0.1111111111111111}}{x}\right) \]
      17. metadata-eval99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{\color{blue}{-0.1111111111111111}}{x}\right) \]
    3. Simplified99.5%

      \[\leadsto \color{blue}{1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-0.1111111111111111}{x}\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in y around inf 94.6%

      \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \left(\sqrt{\frac{1}{x}} \cdot y\right)} \]
    6. Step-by-step derivation
      1. associate-*r*94.6%

        \[\leadsto 1 + \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
      2. *-commutative94.6%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{\frac{1}{x}} \cdot -0.3333333333333333\right)} \cdot y \]
      3. associate-*l*94.6%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)} \]
    7. Simplified94.6%

      \[\leadsto 1 + \color{blue}{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)} \]
    8. Step-by-step derivation
      1. add-log-exp27.8%

        \[\leadsto 1 + \color{blue}{\log \left(e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)} \]
      2. *-un-lft-identity27.8%

        \[\leadsto 1 + \log \color{blue}{\left(1 \cdot e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)} \]
      3. log-prod27.8%

        \[\leadsto 1 + \color{blue}{\left(\log 1 + \log \left(e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)\right)} \]
      4. metadata-eval27.8%

        \[\leadsto 1 + \left(\color{blue}{0} + \log \left(e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)\right) \]
      5. add-log-exp94.6%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right) \]
      6. *-commutative94.6%

        \[\leadsto 1 + \left(0 + \color{blue}{\left(-0.3333333333333333 \cdot y\right) \cdot \sqrt{\frac{1}{x}}}\right) \]
      7. associate-*r*94.6%

        \[\leadsto 1 + \left(0 + \color{blue}{-0.3333333333333333 \cdot \left(y \cdot \sqrt{\frac{1}{x}}\right)}\right) \]
      8. sqrt-div94.5%

        \[\leadsto 1 + \left(0 + -0.3333333333333333 \cdot \left(y \cdot \color{blue}{\frac{\sqrt{1}}{\sqrt{x}}}\right)\right) \]
      9. metadata-eval94.5%

        \[\leadsto 1 + \left(0 + -0.3333333333333333 \cdot \left(y \cdot \frac{\color{blue}{1}}{\sqrt{x}}\right)\right) \]
      10. un-div-inv94.7%

        \[\leadsto 1 + \left(0 + -0.3333333333333333 \cdot \color{blue}{\frac{y}{\sqrt{x}}}\right) \]
    9. Applied egg-rr94.7%

      \[\leadsto 1 + \color{blue}{\left(0 + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\right)} \]
    10. Step-by-step derivation
      1. +-lft-identity94.7%

        \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \frac{y}{\sqrt{x}}} \]
    11. Simplified94.7%

      \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \frac{y}{\sqrt{x}}} \]
    12. Step-by-step derivation
      1. *-commutative94.7%

        \[\leadsto 1 + \color{blue}{\frac{y}{\sqrt{x}} \cdot -0.3333333333333333} \]
      2. associate-*l/94.6%

        \[\leadsto 1 + \color{blue}{\frac{y \cdot -0.3333333333333333}{\sqrt{x}}} \]
      3. associate-*r/94.6%

        \[\leadsto 1 + \color{blue}{y \cdot \frac{-0.3333333333333333}{\sqrt{x}}} \]
      4. clear-num94.6%

        \[\leadsto 1 + y \cdot \color{blue}{\frac{1}{\frac{\sqrt{x}}{-0.3333333333333333}}} \]
      5. un-div-inv94.6%

        \[\leadsto 1 + \color{blue}{\frac{y}{\frac{\sqrt{x}}{-0.3333333333333333}}} \]
      6. div-inv94.8%

        \[\leadsto 1 + \frac{y}{\color{blue}{\sqrt{x} \cdot \frac{1}{-0.3333333333333333}}} \]
      7. metadata-eval94.8%

        \[\leadsto 1 + \frac{y}{\sqrt{x} \cdot \color{blue}{-3}} \]
    13. Applied egg-rr94.8%

      \[\leadsto 1 + \color{blue}{\frac{y}{\sqrt{x} \cdot -3}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification97.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -9.2 \cdot 10^{+82}:\\ \;\;\;\;1 + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\\ \mathbf{elif}\;y \leq 2.8 \cdot 10^{+38}:\\ \;\;\;\;1 - {\left(x \cdot 9\right)}^{-1}\\ \mathbf{else}:\\ \;\;\;\;1 + \frac{y}{\sqrt{x} \cdot -3}\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 99.6% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq 1.15 \cdot 10^{+25}:\\ \;\;\;\;1 + \frac{-0.3333333333333333 \cdot \left(y \cdot \sqrt{x}\right) - 0.1111111111111111}{x}\\ \mathbf{else}:\\ \;\;\;\;1 + y \cdot \frac{-0.3333333333333333}{\sqrt{x}}\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (if (<= x 1.15e+25)
   (+ 1.0 (/ (- (* -0.3333333333333333 (* y (sqrt x))) 0.1111111111111111) x))
   (+ 1.0 (* y (/ -0.3333333333333333 (sqrt x))))))
double code(double x, double y) {
	double tmp;
	if (x <= 1.15e+25) {
		tmp = 1.0 + (((-0.3333333333333333 * (y * sqrt(x))) - 0.1111111111111111) / x);
	} else {
		tmp = 1.0 + (y * (-0.3333333333333333 / sqrt(x)));
	}
	return tmp;
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if (x <= 1.15d+25) then
        tmp = 1.0d0 + ((((-0.3333333333333333d0) * (y * sqrt(x))) - 0.1111111111111111d0) / x)
    else
        tmp = 1.0d0 + (y * ((-0.3333333333333333d0) / sqrt(x)))
    end if
    code = tmp
end function
public static double code(double x, double y) {
	double tmp;
	if (x <= 1.15e+25) {
		tmp = 1.0 + (((-0.3333333333333333 * (y * Math.sqrt(x))) - 0.1111111111111111) / x);
	} else {
		tmp = 1.0 + (y * (-0.3333333333333333 / Math.sqrt(x)));
	}
	return tmp;
}
def code(x, y):
	tmp = 0
	if x <= 1.15e+25:
		tmp = 1.0 + (((-0.3333333333333333 * (y * math.sqrt(x))) - 0.1111111111111111) / x)
	else:
		tmp = 1.0 + (y * (-0.3333333333333333 / math.sqrt(x)))
	return tmp
function code(x, y)
	tmp = 0.0
	if (x <= 1.15e+25)
		tmp = Float64(1.0 + Float64(Float64(Float64(-0.3333333333333333 * Float64(y * sqrt(x))) - 0.1111111111111111) / x));
	else
		tmp = Float64(1.0 + Float64(y * Float64(-0.3333333333333333 / sqrt(x))));
	end
	return tmp
end
function tmp_2 = code(x, y)
	tmp = 0.0;
	if (x <= 1.15e+25)
		tmp = 1.0 + (((-0.3333333333333333 * (y * sqrt(x))) - 0.1111111111111111) / x);
	else
		tmp = 1.0 + (y * (-0.3333333333333333 / sqrt(x)));
	end
	tmp_2 = tmp;
end
code[x_, y_] := If[LessEqual[x, 1.15e+25], N[(1.0 + N[(N[(N[(-0.3333333333333333 * N[(y * N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - 0.1111111111111111), $MachinePrecision] / x), $MachinePrecision]), $MachinePrecision], N[(1.0 + N[(y * N[(-0.3333333333333333 / N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;x \leq 1.15 \cdot 10^{+25}:\\
\;\;\;\;1 + \frac{-0.3333333333333333 \cdot \left(y \cdot \sqrt{x}\right) - 0.1111111111111111}{x}\\

\mathbf{else}:\\
\;\;\;\;1 + y \cdot \frac{-0.3333333333333333}{\sqrt{x}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if x < 1.1499999999999999e25

    1. Initial program 99.6%

      \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
    2. Step-by-step derivation
      1. associate--l-99.6%

        \[\leadsto \color{blue}{1 - \left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)} \]
      2. sub-neg99.6%

        \[\leadsto \color{blue}{1 + \left(-\left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)\right)} \]
      3. +-commutative99.6%

        \[\leadsto 1 + \left(-\color{blue}{\left(\frac{y}{3 \cdot \sqrt{x}} + \frac{1}{x \cdot 9}\right)}\right) \]
      4. distribute-neg-in99.6%

        \[\leadsto 1 + \color{blue}{\left(\left(-\frac{y}{3 \cdot \sqrt{x}}\right) + \left(-\frac{1}{x \cdot 9}\right)\right)} \]
      5. distribute-frac-neg99.6%

        \[\leadsto 1 + \left(\color{blue}{\frac{-y}{3 \cdot \sqrt{x}}} + \left(-\frac{1}{x \cdot 9}\right)\right) \]
      6. sub-neg99.6%

        \[\leadsto 1 + \color{blue}{\left(\frac{-y}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right)} \]
      7. neg-mul-199.6%

        \[\leadsto 1 + \left(\frac{\color{blue}{-1 \cdot y}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      8. *-commutative99.6%

        \[\leadsto 1 + \left(\frac{\color{blue}{y \cdot -1}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      9. associate-/l*99.6%

        \[\leadsto 1 + \left(\color{blue}{y \cdot \frac{-1}{3 \cdot \sqrt{x}}} - \frac{1}{x \cdot 9}\right) \]
      10. fmm-def99.6%

        \[\leadsto 1 + \color{blue}{\mathsf{fma}\left(y, \frac{-1}{3 \cdot \sqrt{x}}, -\frac{1}{x \cdot 9}\right)} \]
      11. associate-/r*99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
      12. metadata-eval99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
      13. *-commutative99.6%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
      14. associate-/r*99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      15. distribute-neg-frac99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \color{blue}{\frac{-\frac{1}{9}}{x}}\right) \]
      16. metadata-eval99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-\color{blue}{0.1111111111111111}}{x}\right) \]
      17. metadata-eval99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{\color{blue}{-0.1111111111111111}}{x}\right) \]
    3. Simplified99.5%

      \[\leadsto \color{blue}{1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-0.1111111111111111}{x}\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in x around 0 99.4%

      \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333 \cdot \left(\sqrt{x} \cdot y\right) - 0.1111111111111111}{x}} \]

    if 1.1499999999999999e25 < x

    1. Initial program 99.8%

      \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
    2. Step-by-step derivation
      1. associate--l-99.8%

        \[\leadsto \color{blue}{1 - \left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)} \]
      2. sub-neg99.8%

        \[\leadsto \color{blue}{1 + \left(-\left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)\right)} \]
      3. +-commutative99.8%

        \[\leadsto 1 + \left(-\color{blue}{\left(\frac{y}{3 \cdot \sqrt{x}} + \frac{1}{x \cdot 9}\right)}\right) \]
      4. distribute-neg-in99.8%

        \[\leadsto 1 + \color{blue}{\left(\left(-\frac{y}{3 \cdot \sqrt{x}}\right) + \left(-\frac{1}{x \cdot 9}\right)\right)} \]
      5. distribute-frac-neg99.8%

        \[\leadsto 1 + \left(\color{blue}{\frac{-y}{3 \cdot \sqrt{x}}} + \left(-\frac{1}{x \cdot 9}\right)\right) \]
      6. sub-neg99.8%

        \[\leadsto 1 + \color{blue}{\left(\frac{-y}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right)} \]
      7. neg-mul-199.8%

        \[\leadsto 1 + \left(\frac{\color{blue}{-1 \cdot y}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      8. *-commutative99.8%

        \[\leadsto 1 + \left(\frac{\color{blue}{y \cdot -1}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
      9. associate-/l*99.8%

        \[\leadsto 1 + \left(\color{blue}{y \cdot \frac{-1}{3 \cdot \sqrt{x}}} - \frac{1}{x \cdot 9}\right) \]
      10. fmm-def99.8%

        \[\leadsto 1 + \color{blue}{\mathsf{fma}\left(y, \frac{-1}{3 \cdot \sqrt{x}}, -\frac{1}{x \cdot 9}\right)} \]
      11. associate-/r*99.8%

        \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
      12. metadata-eval99.8%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
      13. *-commutative99.8%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
      14. associate-/r*99.8%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      15. distribute-neg-frac99.8%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \color{blue}{\frac{-\frac{1}{9}}{x}}\right) \]
      16. metadata-eval99.8%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-\color{blue}{0.1111111111111111}}{x}\right) \]
      17. metadata-eval99.8%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{\color{blue}{-0.1111111111111111}}{x}\right) \]
    3. Simplified99.8%

      \[\leadsto \color{blue}{1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-0.1111111111111111}{x}\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in y around inf 99.7%

      \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \left(\sqrt{\frac{1}{x}} \cdot y\right)} \]
    6. Step-by-step derivation
      1. associate-*r*99.8%

        \[\leadsto 1 + \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
      2. *-commutative99.8%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{\frac{1}{x}} \cdot -0.3333333333333333\right)} \cdot y \]
      3. associate-*l*99.8%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)} \]
    7. Simplified99.8%

      \[\leadsto 1 + \color{blue}{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)} \]
    8. Step-by-step derivation
      1. add-log-exp59.7%

        \[\leadsto 1 + \color{blue}{\log \left(e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)} \]
      2. *-un-lft-identity59.7%

        \[\leadsto 1 + \log \color{blue}{\left(1 \cdot e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)} \]
      3. log-prod59.7%

        \[\leadsto 1 + \color{blue}{\left(\log 1 + \log \left(e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)\right)} \]
      4. metadata-eval59.7%

        \[\leadsto 1 + \left(\color{blue}{0} + \log \left(e^{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right)\right) \]
      5. add-log-exp99.8%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\frac{1}{x}} \cdot \left(-0.3333333333333333 \cdot y\right)}\right) \]
      6. *-commutative99.8%

        \[\leadsto 1 + \left(0 + \color{blue}{\left(-0.3333333333333333 \cdot y\right) \cdot \sqrt{\frac{1}{x}}}\right) \]
      7. associate-*r*99.7%

        \[\leadsto 1 + \left(0 + \color{blue}{-0.3333333333333333 \cdot \left(y \cdot \sqrt{\frac{1}{x}}\right)}\right) \]
      8. sqrt-div99.8%

        \[\leadsto 1 + \left(0 + -0.3333333333333333 \cdot \left(y \cdot \color{blue}{\frac{\sqrt{1}}{\sqrt{x}}}\right)\right) \]
      9. metadata-eval99.8%

        \[\leadsto 1 + \left(0 + -0.3333333333333333 \cdot \left(y \cdot \frac{\color{blue}{1}}{\sqrt{x}}\right)\right) \]
      10. un-div-inv99.8%

        \[\leadsto 1 + \left(0 + -0.3333333333333333 \cdot \color{blue}{\frac{y}{\sqrt{x}}}\right) \]
    9. Applied egg-rr99.8%

      \[\leadsto 1 + \color{blue}{\left(0 + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\right)} \]
    10. Step-by-step derivation
      1. +-lft-identity99.8%

        \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \frac{y}{\sqrt{x}}} \]
    11. Simplified99.8%

      \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \frac{y}{\sqrt{x}}} \]
    12. Step-by-step derivation
      1. clear-num99.7%

        \[\leadsto 1 + -0.3333333333333333 \cdot \color{blue}{\frac{1}{\frac{\sqrt{x}}{y}}} \]
      2. un-div-inv99.7%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\frac{\sqrt{x}}{y}}} \]
    13. Applied egg-rr99.7%

      \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\frac{\sqrt{x}}{y}}} \]
    14. Step-by-step derivation
      1. associate-/r/99.8%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}} \cdot y} \]
    15. Simplified99.8%

      \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}} \cdot y} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification99.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq 1.15 \cdot 10^{+25}:\\ \;\;\;\;1 + \frac{-0.3333333333333333 \cdot \left(y \cdot \sqrt{x}\right) - 0.1111111111111111}{x}\\ \mathbf{else}:\\ \;\;\;\;1 + y \cdot \frac{-0.3333333333333333}{\sqrt{x}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 99.6% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \left(1 - \frac{0.1111111111111111}{x}\right) + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}} \end{array} \]
(FPCore (x y)
 :precision binary64
 (+ (- 1.0 (/ 0.1111111111111111 x)) (* -0.3333333333333333 (/ y (sqrt x)))))
double code(double x, double y) {
	return (1.0 - (0.1111111111111111 / x)) + (-0.3333333333333333 * (y / sqrt(x)));
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = (1.0d0 - (0.1111111111111111d0 / x)) + ((-0.3333333333333333d0) * (y / sqrt(x)))
end function
public static double code(double x, double y) {
	return (1.0 - (0.1111111111111111 / x)) + (-0.3333333333333333 * (y / Math.sqrt(x)));
}
def code(x, y):
	return (1.0 - (0.1111111111111111 / x)) + (-0.3333333333333333 * (y / math.sqrt(x)))
function code(x, y)
	return Float64(Float64(1.0 - Float64(0.1111111111111111 / x)) + Float64(-0.3333333333333333 * Float64(y / sqrt(x))))
end
function tmp = code(x, y)
	tmp = (1.0 - (0.1111111111111111 / x)) + (-0.3333333333333333 * (y / sqrt(x)));
end
code[x_, y_] := N[(N[(1.0 - N[(0.1111111111111111 / x), $MachinePrecision]), $MachinePrecision] + N[(-0.3333333333333333 * N[(y / N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\left(1 - \frac{0.1111111111111111}{x}\right) + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}
\end{array}
Derivation
  1. Initial program 99.7%

    \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
  2. Step-by-step derivation
    1. sub-neg99.7%

      \[\leadsto \color{blue}{\left(1 - \frac{1}{x \cdot 9}\right) + \left(-\frac{y}{3 \cdot \sqrt{x}}\right)} \]
    2. *-commutative99.7%

      \[\leadsto \left(1 - \frac{1}{\color{blue}{9 \cdot x}}\right) + \left(-\frac{y}{3 \cdot \sqrt{x}}\right) \]
    3. associate-/r*99.6%

      \[\leadsto \left(1 - \color{blue}{\frac{\frac{1}{9}}{x}}\right) + \left(-\frac{y}{3 \cdot \sqrt{x}}\right) \]
    4. metadata-eval99.6%

      \[\leadsto \left(1 - \frac{\color{blue}{0.1111111111111111}}{x}\right) + \left(-\frac{y}{3 \cdot \sqrt{x}}\right) \]
    5. distribute-frac-neg99.6%

      \[\leadsto \left(1 - \frac{0.1111111111111111}{x}\right) + \color{blue}{\frac{-y}{3 \cdot \sqrt{x}}} \]
    6. neg-mul-199.6%

      \[\leadsto \left(1 - \frac{0.1111111111111111}{x}\right) + \frac{\color{blue}{-1 \cdot y}}{3 \cdot \sqrt{x}} \]
    7. times-frac99.6%

      \[\leadsto \left(1 - \frac{0.1111111111111111}{x}\right) + \color{blue}{\frac{-1}{3} \cdot \frac{y}{\sqrt{x}}} \]
    8. metadata-eval99.6%

      \[\leadsto \left(1 - \frac{0.1111111111111111}{x}\right) + \color{blue}{-0.3333333333333333} \cdot \frac{y}{\sqrt{x}} \]
  3. Simplified99.6%

    \[\leadsto \color{blue}{\left(1 - \frac{0.1111111111111111}{x}\right) + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}} \]
  4. Add Preprocessing
  5. Final simplification99.6%

    \[\leadsto \left(1 - \frac{0.1111111111111111}{x}\right) + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}} \]
  6. Add Preprocessing

Alternative 7: 99.6% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \left(1 - \frac{0.1111111111111111}{x}\right) - \frac{y}{3 \cdot \sqrt{x}} \end{array} \]
(FPCore (x y)
 :precision binary64
 (- (- 1.0 (/ 0.1111111111111111 x)) (/ y (* 3.0 (sqrt x)))))
double code(double x, double y) {
	return (1.0 - (0.1111111111111111 / x)) - (y / (3.0 * sqrt(x)));
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = (1.0d0 - (0.1111111111111111d0 / x)) - (y / (3.0d0 * sqrt(x)))
end function
public static double code(double x, double y) {
	return (1.0 - (0.1111111111111111 / x)) - (y / (3.0 * Math.sqrt(x)));
}
def code(x, y):
	return (1.0 - (0.1111111111111111 / x)) - (y / (3.0 * math.sqrt(x)))
function code(x, y)
	return Float64(Float64(1.0 - Float64(0.1111111111111111 / x)) - Float64(y / Float64(3.0 * sqrt(x))))
end
function tmp = code(x, y)
	tmp = (1.0 - (0.1111111111111111 / x)) - (y / (3.0 * sqrt(x)));
end
code[x_, y_] := N[(N[(1.0 - N[(0.1111111111111111 / x), $MachinePrecision]), $MachinePrecision] - N[(y / N[(3.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\left(1 - \frac{0.1111111111111111}{x}\right) - \frac{y}{3 \cdot \sqrt{x}}
\end{array}
Derivation
  1. Initial program 99.7%

    \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
  2. Add Preprocessing
  3. Taylor expanded in x around 0 99.6%

    \[\leadsto \left(1 - \color{blue}{\frac{0.1111111111111111}{x}}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
  4. Final simplification99.6%

    \[\leadsto \left(1 - \frac{0.1111111111111111}{x}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
  5. Add Preprocessing

Alternative 8: 62.5% accurate, 1.1× speedup?

\[\begin{array}{l} \\ 1 - {\left(x \cdot 9\right)}^{-1} \end{array} \]
(FPCore (x y) :precision binary64 (- 1.0 (pow (* x 9.0) -1.0)))
double code(double x, double y) {
	return 1.0 - pow((x * 9.0), -1.0);
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = 1.0d0 - ((x * 9.0d0) ** (-1.0d0))
end function
public static double code(double x, double y) {
	return 1.0 - Math.pow((x * 9.0), -1.0);
}
def code(x, y):
	return 1.0 - math.pow((x * 9.0), -1.0)
function code(x, y)
	return Float64(1.0 - (Float64(x * 9.0) ^ -1.0))
end
function tmp = code(x, y)
	tmp = 1.0 - ((x * 9.0) ^ -1.0);
end
code[x_, y_] := N[(1.0 - N[Power[N[(x * 9.0), $MachinePrecision], -1.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
1 - {\left(x \cdot 9\right)}^{-1}
\end{array}
Derivation
  1. Initial program 99.7%

    \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
  2. Step-by-step derivation
    1. associate--l-99.7%

      \[\leadsto \color{blue}{1 - \left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)} \]
    2. sub-neg99.7%

      \[\leadsto \color{blue}{1 + \left(-\left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)\right)} \]
    3. +-commutative99.7%

      \[\leadsto 1 + \left(-\color{blue}{\left(\frac{y}{3 \cdot \sqrt{x}} + \frac{1}{x \cdot 9}\right)}\right) \]
    4. distribute-neg-in99.7%

      \[\leadsto 1 + \color{blue}{\left(\left(-\frac{y}{3 \cdot \sqrt{x}}\right) + \left(-\frac{1}{x \cdot 9}\right)\right)} \]
    5. distribute-frac-neg99.7%

      \[\leadsto 1 + \left(\color{blue}{\frac{-y}{3 \cdot \sqrt{x}}} + \left(-\frac{1}{x \cdot 9}\right)\right) \]
    6. sub-neg99.7%

      \[\leadsto 1 + \color{blue}{\left(\frac{-y}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right)} \]
    7. neg-mul-199.7%

      \[\leadsto 1 + \left(\frac{\color{blue}{-1 \cdot y}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
    8. *-commutative99.7%

      \[\leadsto 1 + \left(\frac{\color{blue}{y \cdot -1}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
    9. associate-/l*99.7%

      \[\leadsto 1 + \left(\color{blue}{y \cdot \frac{-1}{3 \cdot \sqrt{x}}} - \frac{1}{x \cdot 9}\right) \]
    10. fmm-def99.7%

      \[\leadsto 1 + \color{blue}{\mathsf{fma}\left(y, \frac{-1}{3 \cdot \sqrt{x}}, -\frac{1}{x \cdot 9}\right)} \]
    11. associate-/r*99.7%

      \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
    12. metadata-eval99.7%

      \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
    13. *-commutative99.7%

      \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
    14. associate-/r*99.6%

      \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
    15. distribute-neg-frac99.6%

      \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \color{blue}{\frac{-\frac{1}{9}}{x}}\right) \]
    16. metadata-eval99.6%

      \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-\color{blue}{0.1111111111111111}}{x}\right) \]
    17. metadata-eval99.6%

      \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{\color{blue}{-0.1111111111111111}}{x}\right) \]
  3. Simplified99.6%

    \[\leadsto \color{blue}{1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-0.1111111111111111}{x}\right)} \]
  4. Add Preprocessing
  5. Taylor expanded in y around 0 63.1%

    \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111}{x}} \]
  6. Step-by-step derivation
    1. add-sqr-sqrt0.0%

      \[\leadsto 1 + \color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}} \]
    2. sqrt-unprod30.1%

      \[\leadsto 1 + \color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}} \]
    3. frac-times30.1%

      \[\leadsto 1 + \sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}} \]
    4. metadata-eval30.1%

      \[\leadsto 1 + \sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}} \]
    5. metadata-eval30.1%

      \[\leadsto 1 + \sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}} \]
    6. frac-times30.1%

      \[\leadsto 1 + \sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}} \]
    7. clear-num30.1%

      \[\leadsto 1 + \sqrt{\color{blue}{\frac{1}{\frac{x}{0.1111111111111111}}} \cdot \frac{0.1111111111111111}{x}} \]
    8. clear-num30.1%

      \[\leadsto 1 + \sqrt{\frac{1}{\frac{x}{0.1111111111111111}} \cdot \color{blue}{\frac{1}{\frac{x}{0.1111111111111111}}}} \]
    9. frac-times30.1%

      \[\leadsto 1 + \sqrt{\color{blue}{\frac{1 \cdot 1}{\frac{x}{0.1111111111111111} \cdot \frac{x}{0.1111111111111111}}}} \]
    10. div-inv30.1%

      \[\leadsto 1 + \sqrt{\frac{1 \cdot 1}{\color{blue}{\left(x \cdot \frac{1}{0.1111111111111111}\right)} \cdot \frac{x}{0.1111111111111111}}} \]
    11. metadata-eval30.1%

      \[\leadsto 1 + \sqrt{\frac{1 \cdot 1}{\left(x \cdot \color{blue}{9}\right) \cdot \frac{x}{0.1111111111111111}}} \]
    12. div-inv30.1%

      \[\leadsto 1 + \sqrt{\frac{1 \cdot 1}{\left(x \cdot 9\right) \cdot \color{blue}{\left(x \cdot \frac{1}{0.1111111111111111}\right)}}} \]
    13. metadata-eval30.1%

      \[\leadsto 1 + \sqrt{\frac{1 \cdot 1}{\left(x \cdot 9\right) \cdot \left(x \cdot \color{blue}{9}\right)}} \]
    14. frac-times30.1%

      \[\leadsto 1 + \sqrt{\color{blue}{\frac{1}{x \cdot 9} \cdot \frac{1}{x \cdot 9}}} \]
    15. sqrt-unprod29.0%

      \[\leadsto 1 + \color{blue}{\sqrt{\frac{1}{x \cdot 9}} \cdot \sqrt{\frac{1}{x \cdot 9}}} \]
    16. add-sqr-sqrt29.0%

      \[\leadsto 1 + \color{blue}{\frac{1}{x \cdot 9}} \]
    17. metadata-eval29.0%

      \[\leadsto 1 + \frac{1}{x \cdot \color{blue}{\frac{1}{0.1111111111111111}}} \]
    18. div-inv29.0%

      \[\leadsto 1 + \frac{1}{\color{blue}{\frac{x}{0.1111111111111111}}} \]
    19. frac-2neg29.0%

      \[\leadsto 1 + \frac{1}{\color{blue}{\frac{-x}{-0.1111111111111111}}} \]
    20. metadata-eval29.0%

      \[\leadsto 1 + \frac{1}{\frac{-x}{\color{blue}{-0.1111111111111111}}} \]
    21. clear-num29.0%

      \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111}{-x}} \]
    22. distribute-frac-neg229.0%

      \[\leadsto 1 + \color{blue}{\left(-\frac{-0.1111111111111111}{x}\right)} \]
  7. Applied egg-rr29.0%

    \[\leadsto 1 + \color{blue}{\left(-\frac{-0.1111111111111111}{x}\right)} \]
  8. Step-by-step derivation
    1. add-sqr-sqrt0.0%

      \[\leadsto 1 + \left(-\color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}}\right) \]
    2. sqrt-unprod49.0%

      \[\leadsto 1 + \left(-\color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}}\right) \]
    3. frac-times49.0%

      \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}}\right) \]
    4. metadata-eval49.0%

      \[\leadsto 1 + \left(-\sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}}\right) \]
    5. metadata-eval49.0%

      \[\leadsto 1 + \left(-\sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}}\right) \]
    6. frac-times49.0%

      \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}}\right) \]
    7. clear-num49.0%

      \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{1}{\frac{x}{0.1111111111111111}}} \cdot \frac{0.1111111111111111}{x}}\right) \]
    8. clear-num49.0%

      \[\leadsto 1 + \left(-\sqrt{\frac{1}{\frac{x}{0.1111111111111111}} \cdot \color{blue}{\frac{1}{\frac{x}{0.1111111111111111}}}}\right) \]
    9. frac-times49.0%

      \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{1 \cdot 1}{\frac{x}{0.1111111111111111} \cdot \frac{x}{0.1111111111111111}}}}\right) \]
    10. div-inv49.0%

      \[\leadsto 1 + \left(-\sqrt{\frac{1 \cdot 1}{\color{blue}{\left(x \cdot \frac{1}{0.1111111111111111}\right)} \cdot \frac{x}{0.1111111111111111}}}\right) \]
    11. metadata-eval49.0%

      \[\leadsto 1 + \left(-\sqrt{\frac{1 \cdot 1}{\left(x \cdot \color{blue}{9}\right) \cdot \frac{x}{0.1111111111111111}}}\right) \]
    12. div-inv49.0%

      \[\leadsto 1 + \left(-\sqrt{\frac{1 \cdot 1}{\left(x \cdot 9\right) \cdot \color{blue}{\left(x \cdot \frac{1}{0.1111111111111111}\right)}}}\right) \]
    13. metadata-eval49.0%

      \[\leadsto 1 + \left(-\sqrt{\frac{1 \cdot 1}{\left(x \cdot 9\right) \cdot \left(x \cdot \color{blue}{9}\right)}}\right) \]
    14. frac-times49.0%

      \[\leadsto 1 + \left(-\sqrt{\color{blue}{\frac{1}{x \cdot 9} \cdot \frac{1}{x \cdot 9}}}\right) \]
    15. sqrt-unprod63.0%

      \[\leadsto 1 + \left(-\color{blue}{\sqrt{\frac{1}{x \cdot 9}} \cdot \sqrt{\frac{1}{x \cdot 9}}}\right) \]
    16. add-sqr-sqrt63.1%

      \[\leadsto 1 + \left(-\color{blue}{\frac{1}{x \cdot 9}}\right) \]
    17. inv-pow63.1%

      \[\leadsto 1 + \left(-\color{blue}{{\left(x \cdot 9\right)}^{-1}}\right) \]
  9. Applied egg-rr63.1%

    \[\leadsto 1 + \left(-\color{blue}{{\left(x \cdot 9\right)}^{-1}}\right) \]
  10. Final simplification63.1%

    \[\leadsto 1 - {\left(x \cdot 9\right)}^{-1} \]
  11. Add Preprocessing

Alternative 9: 62.4% accurate, 22.6× speedup?

\[\begin{array}{l} \\ 1 + \frac{-0.1111111111111111}{x} \end{array} \]
(FPCore (x y) :precision binary64 (+ 1.0 (/ -0.1111111111111111 x)))
double code(double x, double y) {
	return 1.0 + (-0.1111111111111111 / x);
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = 1.0d0 + ((-0.1111111111111111d0) / x)
end function
public static double code(double x, double y) {
	return 1.0 + (-0.1111111111111111 / x);
}
def code(x, y):
	return 1.0 + (-0.1111111111111111 / x)
function code(x, y)
	return Float64(1.0 + Float64(-0.1111111111111111 / x))
end
function tmp = code(x, y)
	tmp = 1.0 + (-0.1111111111111111 / x);
end
code[x_, y_] := N[(1.0 + N[(-0.1111111111111111 / x), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
1 + \frac{-0.1111111111111111}{x}
\end{array}
Derivation
  1. Initial program 99.7%

    \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
  2. Step-by-step derivation
    1. associate--l-99.7%

      \[\leadsto \color{blue}{1 - \left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)} \]
    2. sub-neg99.7%

      \[\leadsto \color{blue}{1 + \left(-\left(\frac{1}{x \cdot 9} + \frac{y}{3 \cdot \sqrt{x}}\right)\right)} \]
    3. +-commutative99.7%

      \[\leadsto 1 + \left(-\color{blue}{\left(\frac{y}{3 \cdot \sqrt{x}} + \frac{1}{x \cdot 9}\right)}\right) \]
    4. distribute-neg-in99.7%

      \[\leadsto 1 + \color{blue}{\left(\left(-\frac{y}{3 \cdot \sqrt{x}}\right) + \left(-\frac{1}{x \cdot 9}\right)\right)} \]
    5. distribute-frac-neg99.7%

      \[\leadsto 1 + \left(\color{blue}{\frac{-y}{3 \cdot \sqrt{x}}} + \left(-\frac{1}{x \cdot 9}\right)\right) \]
    6. sub-neg99.7%

      \[\leadsto 1 + \color{blue}{\left(\frac{-y}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right)} \]
    7. neg-mul-199.7%

      \[\leadsto 1 + \left(\frac{\color{blue}{-1 \cdot y}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
    8. *-commutative99.7%

      \[\leadsto 1 + \left(\frac{\color{blue}{y \cdot -1}}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right) \]
    9. associate-/l*99.7%

      \[\leadsto 1 + \left(\color{blue}{y \cdot \frac{-1}{3 \cdot \sqrt{x}}} - \frac{1}{x \cdot 9}\right) \]
    10. fmm-def99.7%

      \[\leadsto 1 + \color{blue}{\mathsf{fma}\left(y, \frac{-1}{3 \cdot \sqrt{x}}, -\frac{1}{x \cdot 9}\right)} \]
    11. associate-/r*99.7%

      \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
    12. metadata-eval99.7%

      \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
    13. *-commutative99.7%

      \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
    14. associate-/r*99.6%

      \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
    15. distribute-neg-frac99.6%

      \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \color{blue}{\frac{-\frac{1}{9}}{x}}\right) \]
    16. metadata-eval99.6%

      \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-\color{blue}{0.1111111111111111}}{x}\right) \]
    17. metadata-eval99.6%

      \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{\color{blue}{-0.1111111111111111}}{x}\right) \]
  3. Simplified99.6%

    \[\leadsto \color{blue}{1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-0.1111111111111111}{x}\right)} \]
  4. Add Preprocessing
  5. Taylor expanded in y around 0 63.1%

    \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111}{x}} \]
  6. Final simplification63.1%

    \[\leadsto 1 + \frac{-0.1111111111111111}{x} \]
  7. Add Preprocessing

Developer target: 99.7% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \left(1 - \frac{\frac{1}{x}}{9}\right) - \frac{y}{3 \cdot \sqrt{x}} \end{array} \]
(FPCore (x y)
 :precision binary64
 (- (- 1.0 (/ (/ 1.0 x) 9.0)) (/ y (* 3.0 (sqrt x)))))
double code(double x, double y) {
	return (1.0 - ((1.0 / x) / 9.0)) - (y / (3.0 * sqrt(x)));
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = (1.0d0 - ((1.0d0 / x) / 9.0d0)) - (y / (3.0d0 * sqrt(x)))
end function
public static double code(double x, double y) {
	return (1.0 - ((1.0 / x) / 9.0)) - (y / (3.0 * Math.sqrt(x)));
}
def code(x, y):
	return (1.0 - ((1.0 / x) / 9.0)) - (y / (3.0 * math.sqrt(x)))
function code(x, y)
	return Float64(Float64(1.0 - Float64(Float64(1.0 / x) / 9.0)) - Float64(y / Float64(3.0 * sqrt(x))))
end
function tmp = code(x, y)
	tmp = (1.0 - ((1.0 / x) / 9.0)) - (y / (3.0 * sqrt(x)));
end
code[x_, y_] := N[(N[(1.0 - N[(N[(1.0 / x), $MachinePrecision] / 9.0), $MachinePrecision]), $MachinePrecision] - N[(y / N[(3.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\left(1 - \frac{\frac{1}{x}}{9}\right) - \frac{y}{3 \cdot \sqrt{x}}
\end{array}

Reproduce

?
herbie shell --seed 2024130 
(FPCore (x y)
  :name "Numeric.SpecFunctions:invIncompleteGamma from math-functions-0.1.5.2, D"
  :precision binary64

  :alt
  (- (- 1.0 (/ (/ 1.0 x) 9.0)) (/ y (* 3.0 (sqrt x))))

  (- (- 1.0 (/ 1.0 (* x 9.0))) (/ y (* 3.0 (sqrt x)))))