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

Percentage Accurate: 99.7% → 99.7%
Time: 14.3s
Alternatives: 17
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 17 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: 90.8% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -8 \cdot 10^{+17} \lor \neg \left(y \leq 2.8 \cdot 10^{+91}\right):\\ \;\;\;\;y \cdot \left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right)\\ \mathbf{else}:\\ \;\;\;\;1 + \frac{-1}{x \cdot 9}\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (if (or (<= y -8e+17) (not (<= y 2.8e+91)))
   (* y (* -0.3333333333333333 (sqrt (/ 1.0 x))))
   (+ 1.0 (/ -1.0 (* x 9.0)))))
double code(double x, double y) {
	double tmp;
	if ((y <= -8e+17) || !(y <= 2.8e+91)) {
		tmp = y * (-0.3333333333333333 * sqrt((1.0 / x)));
	} else {
		tmp = 1.0 + (-1.0 / (x * 9.0));
	}
	return tmp;
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if ((y <= (-8d+17)) .or. (.not. (y <= 2.8d+91))) then
        tmp = y * ((-0.3333333333333333d0) * sqrt((1.0d0 / x)))
    else
        tmp = 1.0d0 + ((-1.0d0) / (x * 9.0d0))
    end if
    code = tmp
end function
public static double code(double x, double y) {
	double tmp;
	if ((y <= -8e+17) || !(y <= 2.8e+91)) {
		tmp = y * (-0.3333333333333333 * Math.sqrt((1.0 / x)));
	} else {
		tmp = 1.0 + (-1.0 / (x * 9.0));
	}
	return tmp;
}
def code(x, y):
	tmp = 0
	if (y <= -8e+17) or not (y <= 2.8e+91):
		tmp = y * (-0.3333333333333333 * math.sqrt((1.0 / x)))
	else:
		tmp = 1.0 + (-1.0 / (x * 9.0))
	return tmp
function code(x, y)
	tmp = 0.0
	if ((y <= -8e+17) || !(y <= 2.8e+91))
		tmp = Float64(y * Float64(-0.3333333333333333 * sqrt(Float64(1.0 / x))));
	else
		tmp = Float64(1.0 + Float64(-1.0 / Float64(x * 9.0)));
	end
	return tmp
end
function tmp_2 = code(x, y)
	tmp = 0.0;
	if ((y <= -8e+17) || ~((y <= 2.8e+91)))
		tmp = y * (-0.3333333333333333 * sqrt((1.0 / x)));
	else
		tmp = 1.0 + (-1.0 / (x * 9.0));
	end
	tmp_2 = tmp;
end
code[x_, y_] := If[Or[LessEqual[y, -8e+17], N[Not[LessEqual[y, 2.8e+91]], $MachinePrecision]], N[(y * N[(-0.3333333333333333 * N[Sqrt[N[(1.0 / x), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(1.0 + N[(-1.0 / N[(x * 9.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -8 \cdot 10^{+17} \lor \neg \left(y \leq 2.8 \cdot 10^{+91}\right):\\
\;\;\;\;y \cdot \left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right)\\

\mathbf{else}:\\
\;\;\;\;1 + \frac{-1}{x \cdot 9}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if y < -8e17 or 2.7999999999999999e91 < y

    1. Initial program 99.6%

      \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. frac-2neg99.6%

        \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \color{blue}{\frac{-y}{-3 \cdot \sqrt{x}}} \]
      2. div-inv99.5%

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

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

        \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \left(-y\right) \cdot \frac{1}{\color{blue}{\sqrt{x} \cdot \left(-3\right)}} \]
      5. metadata-eval99.5%

        \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \left(-y\right) \cdot \frac{1}{\sqrt{x} \cdot \color{blue}{-3}} \]
      6. metadata-eval99.5%

        \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \left(-y\right) \cdot \frac{1}{\sqrt{x} \cdot \color{blue}{\frac{1}{-0.3333333333333333}}} \]
      7. div-inv99.4%

        \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \left(-y\right) \cdot \frac{1}{\color{blue}{\frac{\sqrt{x}}{-0.3333333333333333}}} \]
      8. clear-num99.5%

        \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \left(-y\right) \cdot \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \]
    4. Applied egg-rr99.5%

      \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \color{blue}{\left(-y\right) \cdot \frac{-0.3333333333333333}{\sqrt{x}}} \]
    5. Taylor expanded in x around 0 95.4%

      \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x}} - \left(-y\right) \cdot \frac{-0.3333333333333333}{\sqrt{x}} \]
    6. Taylor expanded in y around inf 92.8%

      \[\leadsto \color{blue}{-0.3333333333333333 \cdot \left(\sqrt{\frac{1}{x}} \cdot y\right)} \]
    7. Step-by-step derivation
      1. associate-*r*93.5%

        \[\leadsto \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
    8. Simplified93.5%

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

    if -8e17 < y < 2.7999999999999999e91

    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. sub-neg99.8%

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

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

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

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

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

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

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

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

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      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 98.1%

      \[\leadsto \color{blue}{1 - 0.1111111111111111 \cdot \frac{1}{x}} \]
    6. Step-by-step derivation
      1. cancel-sign-sub-inv98.1%

        \[\leadsto \color{blue}{1 + \left(-0.1111111111111111\right) \cdot \frac{1}{x}} \]
      2. metadata-eval98.1%

        \[\leadsto 1 + \color{blue}{-0.1111111111111111} \cdot \frac{1}{x} \]
      3. associate-*r/98.2%

        \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111 \cdot 1}{x}} \]
      4. metadata-eval98.2%

        \[\leadsto 1 + \frac{\color{blue}{-0.1111111111111111}}{x} \]
      5. +-commutative98.2%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    7. Simplified98.2%

      \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    8. Step-by-step derivation
      1. add-cube-cbrt97.3%

        \[\leadsto \color{blue}{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}} \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}\right) \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}} + 1 \]
      2. pow397.3%

        \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    9. Applied egg-rr97.3%

      \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    10. Step-by-step derivation
      1. rem-cube-cbrt98.2%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x}} + 1 \]
      2. add-sqr-sqrt0.0%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}} + 1 \]
      3. sqrt-unprod45.2%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}} + 1 \]
      4. frac-times45.2%

        \[\leadsto \sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}} + 1 \]
      5. metadata-eval45.2%

        \[\leadsto \sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}} + 1 \]
      6. metadata-eval45.2%

        \[\leadsto \sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}} + 1 \]
      7. frac-times45.2%

        \[\leadsto \sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}} + 1 \]
      8. sqrt-unprod45.2%

        \[\leadsto \color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}} + 1 \]
      9. add-sqr-sqrt45.2%

        \[\leadsto \color{blue}{\frac{0.1111111111111111}{x}} + 1 \]
      10. metadata-eval45.2%

        \[\leadsto \frac{\color{blue}{--0.1111111111111111}}{x} + 1 \]
      11. distribute-neg-frac45.2%

        \[\leadsto \color{blue}{\left(-\frac{-0.1111111111111111}{x}\right)} + 1 \]
      12. clear-num45.2%

        \[\leadsto \left(-\color{blue}{\frac{1}{\frac{x}{-0.1111111111111111}}}\right) + 1 \]
      13. distribute-neg-frac45.2%

        \[\leadsto \color{blue}{\frac{-1}{\frac{x}{-0.1111111111111111}}} + 1 \]
      14. metadata-eval45.2%

        \[\leadsto \frac{\color{blue}{-1}}{\frac{x}{-0.1111111111111111}} + 1 \]
      15. clear-num45.2%

        \[\leadsto \frac{-1}{\color{blue}{\frac{1}{\frac{-0.1111111111111111}{x}}}} + 1 \]
      16. add-sqr-sqrt0.0%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}}}} + 1 \]
      17. sqrt-unprod69.3%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}}}} + 1 \]
      18. frac-times69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}}}} + 1 \]
      19. metadata-eval69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}}}} + 1 \]
      20. metadata-eval69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}}}} + 1 \]
      21. frac-times69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}}}} + 1 \]
      22. sqrt-unprod97.9%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}}}} + 1 \]
      23. add-sqr-sqrt98.1%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\frac{0.1111111111111111}{x}}}} + 1 \]
      24. clear-num98.1%

        \[\leadsto \frac{-1}{\color{blue}{\frac{x}{0.1111111111111111}}} + 1 \]
      25. div-inv98.3%

        \[\leadsto \frac{-1}{\color{blue}{x \cdot \frac{1}{0.1111111111111111}}} + 1 \]
      26. metadata-eval98.3%

        \[\leadsto \frac{-1}{x \cdot \color{blue}{9}} + 1 \]
    11. Applied egg-rr98.3%

      \[\leadsto \color{blue}{\frac{-1}{x \cdot 9}} + 1 \]
  3. Recombined 2 regimes into one program.
  4. Final simplification96.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -8 \cdot 10^{+17} \lor \neg \left(y \leq 2.8 \cdot 10^{+91}\right):\\ \;\;\;\;y \cdot \left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right)\\ \mathbf{else}:\\ \;\;\;\;1 + \frac{-1}{x \cdot 9}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 94.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -8 \cdot 10^{+17} \lor \neg \left(y \leq 2.8 \cdot 10^{+91}\right):\\ \;\;\;\;1 + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\\ \mathbf{else}:\\ \;\;\;\;1 + \frac{-1}{x \cdot 9}\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (if (or (<= y -8e+17) (not (<= y 2.8e+91)))
   (+ 1.0 (* -0.3333333333333333 (/ y (sqrt x))))
   (+ 1.0 (/ -1.0 (* x 9.0)))))
double code(double x, double y) {
	double tmp;
	if ((y <= -8e+17) || !(y <= 2.8e+91)) {
		tmp = 1.0 + (-0.3333333333333333 * (y / sqrt(x)));
	} else {
		tmp = 1.0 + (-1.0 / (x * 9.0));
	}
	return tmp;
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if ((y <= (-8d+17)) .or. (.not. (y <= 2.8d+91))) then
        tmp = 1.0d0 + ((-0.3333333333333333d0) * (y / sqrt(x)))
    else
        tmp = 1.0d0 + ((-1.0d0) / (x * 9.0d0))
    end if
    code = tmp
end function
public static double code(double x, double y) {
	double tmp;
	if ((y <= -8e+17) || !(y <= 2.8e+91)) {
		tmp = 1.0 + (-0.3333333333333333 * (y / Math.sqrt(x)));
	} else {
		tmp = 1.0 + (-1.0 / (x * 9.0));
	}
	return tmp;
}
def code(x, y):
	tmp = 0
	if (y <= -8e+17) or not (y <= 2.8e+91):
		tmp = 1.0 + (-0.3333333333333333 * (y / math.sqrt(x)))
	else:
		tmp = 1.0 + (-1.0 / (x * 9.0))
	return tmp
function code(x, y)
	tmp = 0.0
	if ((y <= -8e+17) || !(y <= 2.8e+91))
		tmp = Float64(1.0 + Float64(-0.3333333333333333 * Float64(y / sqrt(x))));
	else
		tmp = Float64(1.0 + Float64(-1.0 / Float64(x * 9.0)));
	end
	return tmp
end
function tmp_2 = code(x, y)
	tmp = 0.0;
	if ((y <= -8e+17) || ~((y <= 2.8e+91)))
		tmp = 1.0 + (-0.3333333333333333 * (y / sqrt(x)));
	else
		tmp = 1.0 + (-1.0 / (x * 9.0));
	end
	tmp_2 = tmp;
end
code[x_, y_] := If[Or[LessEqual[y, -8e+17], N[Not[LessEqual[y, 2.8e+91]], $MachinePrecision]], N[(1.0 + N[(-0.3333333333333333 * N[(y / N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(1.0 + N[(-1.0 / N[(x * 9.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -8 \cdot 10^{+17} \lor \neg \left(y \leq 2.8 \cdot 10^{+91}\right):\\
\;\;\;\;1 + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\\

\mathbf{else}:\\
\;\;\;\;1 + \frac{-1}{x \cdot 9}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if y < -8e17 or 2.7999999999999999e91 < 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. sub-neg99.6%

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

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

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

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

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

        \[\leadsto \color{blue}{1 + \left(\frac{-y}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right)} \]
      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-*r/99.4%

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

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

        \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
      12. metadata-eval99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
      13. *-commutative99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
      14. associate-/r*99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      15. distribute-neg-frac99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \color{blue}{\frac{-\frac{1}{9}}{x}}\right) \]
      16. metadata-eval99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-\color{blue}{0.1111111111111111}}{x}\right) \]
      17. metadata-eval99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{\color{blue}{-0.1111111111111111}}{x}\right) \]
    3. Simplified99.4%

      \[\leadsto \color{blue}{1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-0.1111111111111111}{x}\right)} \]
    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*97.6%

        \[\leadsto 1 + \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
    7. Simplified97.6%

      \[\leadsto 1 + \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
    8. Step-by-step derivation
      1. sqrt-div97.5%

        \[\leadsto 1 + \left(-0.3333333333333333 \cdot \color{blue}{\frac{\sqrt{1}}{\sqrt{x}}}\right) \cdot y \]
      2. metadata-eval97.5%

        \[\leadsto 1 + \left(-0.3333333333333333 \cdot \frac{\color{blue}{1}}{\sqrt{x}}\right) \cdot y \]
      3. div-inv97.6%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
      4. add-sqr-sqrt0.0%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{\frac{-0.3333333333333333}{\sqrt{x}}}\right)} \cdot y \]
      5. sqrt-unprod2.5%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{-0.3333333333333333}{\sqrt{x}} \cdot \frac{-0.3333333333333333}{\sqrt{x}}}} \cdot y \]
      6. sqr-neg2.5%

        \[\leadsto 1 + \sqrt{\color{blue}{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right) \cdot \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)}} \cdot y \]
      7. sqrt-unprod2.5%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}}\right)} \cdot y \]
      8. add-sqr-sqrt2.5%

        \[\leadsto 1 + \color{blue}{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
      9. neg-sub02.5%

        \[\leadsto 1 + \color{blue}{\left(0 - \frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
      10. sub-neg2.5%

        \[\leadsto 1 + \color{blue}{\left(0 + \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)\right)} \cdot y \]
      11. add-sqr-sqrt2.5%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      12. sqrt-unprod2.5%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right) \cdot \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)}}\right) \cdot y \]
      13. sqr-neg2.5%

        \[\leadsto 1 + \left(0 + \sqrt{\color{blue}{\frac{-0.3333333333333333}{\sqrt{x}} \cdot \frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      14. sqrt-unprod0.0%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{\frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      15. add-sqr-sqrt97.6%

        \[\leadsto 1 + \left(0 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}}\right) \cdot y \]
    9. Applied egg-rr97.6%

      \[\leadsto 1 + \color{blue}{\left(0 + \frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
    10. Step-by-step derivation
      1. +-lft-identity97.6%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
    11. Simplified97.6%

      \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
    12. Step-by-step derivation
      1. associate-*l/97.6%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333 \cdot y}{\sqrt{x}}} \]
      2. clear-num97.5%

        \[\leadsto 1 + \color{blue}{\frac{1}{\frac{\sqrt{x}}{-0.3333333333333333 \cdot y}}} \]
    13. Applied egg-rr97.5%

      \[\leadsto 1 + \color{blue}{\frac{1}{\frac{\sqrt{x}}{-0.3333333333333333 \cdot y}}} \]
    14. Step-by-step derivation
      1. associate-/r/97.5%

        \[\leadsto 1 + \color{blue}{\frac{1}{\sqrt{x}} \cdot \left(-0.3333333333333333 \cdot y\right)} \]
      2. associate-*l/97.6%

        \[\leadsto 1 + \color{blue}{\frac{1 \cdot \left(-0.3333333333333333 \cdot y\right)}{\sqrt{x}}} \]
      3. associate-*r/97.6%

        \[\leadsto 1 + \color{blue}{1 \cdot \frac{-0.3333333333333333 \cdot y}{\sqrt{x}}} \]
      4. associate-*r/96.8%

        \[\leadsto 1 + 1 \cdot \color{blue}{\left(-0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\right)} \]
      5. *-lft-identity96.8%

        \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \frac{y}{\sqrt{x}}} \]
    15. Simplified96.8%

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

    if -8e17 < y < 2.7999999999999999e91

    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. sub-neg99.8%

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

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

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

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

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

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

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

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

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      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 98.1%

      \[\leadsto \color{blue}{1 - 0.1111111111111111 \cdot \frac{1}{x}} \]
    6. Step-by-step derivation
      1. cancel-sign-sub-inv98.1%

        \[\leadsto \color{blue}{1 + \left(-0.1111111111111111\right) \cdot \frac{1}{x}} \]
      2. metadata-eval98.1%

        \[\leadsto 1 + \color{blue}{-0.1111111111111111} \cdot \frac{1}{x} \]
      3. associate-*r/98.2%

        \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111 \cdot 1}{x}} \]
      4. metadata-eval98.2%

        \[\leadsto 1 + \frac{\color{blue}{-0.1111111111111111}}{x} \]
      5. +-commutative98.2%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    7. Simplified98.2%

      \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    8. Step-by-step derivation
      1. add-cube-cbrt97.3%

        \[\leadsto \color{blue}{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}} \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}\right) \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}} + 1 \]
      2. pow397.3%

        \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    9. Applied egg-rr97.3%

      \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    10. Step-by-step derivation
      1. rem-cube-cbrt98.2%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x}} + 1 \]
      2. add-sqr-sqrt0.0%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}} + 1 \]
      3. sqrt-unprod45.2%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}} + 1 \]
      4. frac-times45.2%

        \[\leadsto \sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}} + 1 \]
      5. metadata-eval45.2%

        \[\leadsto \sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}} + 1 \]
      6. metadata-eval45.2%

        \[\leadsto \sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}} + 1 \]
      7. frac-times45.2%

        \[\leadsto \sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}} + 1 \]
      8. sqrt-unprod45.2%

        \[\leadsto \color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}} + 1 \]
      9. add-sqr-sqrt45.2%

        \[\leadsto \color{blue}{\frac{0.1111111111111111}{x}} + 1 \]
      10. metadata-eval45.2%

        \[\leadsto \frac{\color{blue}{--0.1111111111111111}}{x} + 1 \]
      11. distribute-neg-frac45.2%

        \[\leadsto \color{blue}{\left(-\frac{-0.1111111111111111}{x}\right)} + 1 \]
      12. clear-num45.2%

        \[\leadsto \left(-\color{blue}{\frac{1}{\frac{x}{-0.1111111111111111}}}\right) + 1 \]
      13. distribute-neg-frac45.2%

        \[\leadsto \color{blue}{\frac{-1}{\frac{x}{-0.1111111111111111}}} + 1 \]
      14. metadata-eval45.2%

        \[\leadsto \frac{\color{blue}{-1}}{\frac{x}{-0.1111111111111111}} + 1 \]
      15. clear-num45.2%

        \[\leadsto \frac{-1}{\color{blue}{\frac{1}{\frac{-0.1111111111111111}{x}}}} + 1 \]
      16. add-sqr-sqrt0.0%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}}}} + 1 \]
      17. sqrt-unprod69.3%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}}}} + 1 \]
      18. frac-times69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}}}} + 1 \]
      19. metadata-eval69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}}}} + 1 \]
      20. metadata-eval69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}}}} + 1 \]
      21. frac-times69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}}}} + 1 \]
      22. sqrt-unprod97.9%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}}}} + 1 \]
      23. add-sqr-sqrt98.1%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\frac{0.1111111111111111}{x}}}} + 1 \]
      24. clear-num98.1%

        \[\leadsto \frac{-1}{\color{blue}{\frac{x}{0.1111111111111111}}} + 1 \]
      25. div-inv98.3%

        \[\leadsto \frac{-1}{\color{blue}{x \cdot \frac{1}{0.1111111111111111}}} + 1 \]
      26. metadata-eval98.3%

        \[\leadsto \frac{-1}{x \cdot \color{blue}{9}} + 1 \]
    11. Applied egg-rr98.3%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -8 \cdot 10^{+17} \lor \neg \left(y \leq 2.8 \cdot 10^{+91}\right):\\ \;\;\;\;1 + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\\ \mathbf{else}:\\ \;\;\;\;1 + \frac{-1}{x \cdot 9}\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 94.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -7.8 \cdot 10^{+17} \lor \neg \left(y \leq 2.8 \cdot 10^{+91}\right):\\ \;\;\;\;1 + y \cdot \frac{-0.3333333333333333}{\sqrt{x}}\\ \mathbf{else}:\\ \;\;\;\;1 + \frac{-1}{x \cdot 9}\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (if (or (<= y -7.8e+17) (not (<= y 2.8e+91)))
   (+ 1.0 (* y (/ -0.3333333333333333 (sqrt x))))
   (+ 1.0 (/ -1.0 (* x 9.0)))))
double code(double x, double y) {
	double tmp;
	if ((y <= -7.8e+17) || !(y <= 2.8e+91)) {
		tmp = 1.0 + (y * (-0.3333333333333333 / sqrt(x)));
	} else {
		tmp = 1.0 + (-1.0 / (x * 9.0));
	}
	return tmp;
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if ((y <= (-7.8d+17)) .or. (.not. (y <= 2.8d+91))) then
        tmp = 1.0d0 + (y * ((-0.3333333333333333d0) / sqrt(x)))
    else
        tmp = 1.0d0 + ((-1.0d0) / (x * 9.0d0))
    end if
    code = tmp
end function
public static double code(double x, double y) {
	double tmp;
	if ((y <= -7.8e+17) || !(y <= 2.8e+91)) {
		tmp = 1.0 + (y * (-0.3333333333333333 / Math.sqrt(x)));
	} else {
		tmp = 1.0 + (-1.0 / (x * 9.0));
	}
	return tmp;
}
def code(x, y):
	tmp = 0
	if (y <= -7.8e+17) or not (y <= 2.8e+91):
		tmp = 1.0 + (y * (-0.3333333333333333 / math.sqrt(x)))
	else:
		tmp = 1.0 + (-1.0 / (x * 9.0))
	return tmp
function code(x, y)
	tmp = 0.0
	if ((y <= -7.8e+17) || !(y <= 2.8e+91))
		tmp = Float64(1.0 + Float64(y * Float64(-0.3333333333333333 / sqrt(x))));
	else
		tmp = Float64(1.0 + Float64(-1.0 / Float64(x * 9.0)));
	end
	return tmp
end
function tmp_2 = code(x, y)
	tmp = 0.0;
	if ((y <= -7.8e+17) || ~((y <= 2.8e+91)))
		tmp = 1.0 + (y * (-0.3333333333333333 / sqrt(x)));
	else
		tmp = 1.0 + (-1.0 / (x * 9.0));
	end
	tmp_2 = tmp;
end
code[x_, y_] := If[Or[LessEqual[y, -7.8e+17], N[Not[LessEqual[y, 2.8e+91]], $MachinePrecision]], N[(1.0 + N[(y * N[(-0.3333333333333333 / N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(1.0 + N[(-1.0 / N[(x * 9.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -7.8 \cdot 10^{+17} \lor \neg \left(y \leq 2.8 \cdot 10^{+91}\right):\\
\;\;\;\;1 + y \cdot \frac{-0.3333333333333333}{\sqrt{x}}\\

\mathbf{else}:\\
\;\;\;\;1 + \frac{-1}{x \cdot 9}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if y < -7.8e17 or 2.7999999999999999e91 < 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. sub-neg99.6%

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

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

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

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

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

        \[\leadsto \color{blue}{1 + \left(\frac{-y}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right)} \]
      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-*r/99.4%

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

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

        \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
      12. metadata-eval99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
      13. *-commutative99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
      14. associate-/r*99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      15. distribute-neg-frac99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \color{blue}{\frac{-\frac{1}{9}}{x}}\right) \]
      16. metadata-eval99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-\color{blue}{0.1111111111111111}}{x}\right) \]
      17. metadata-eval99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{\color{blue}{-0.1111111111111111}}{x}\right) \]
    3. Simplified99.4%

      \[\leadsto \color{blue}{1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-0.1111111111111111}{x}\right)} \]
    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*97.6%

        \[\leadsto 1 + \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
    7. Simplified97.6%

      \[\leadsto 1 + \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
    8. Step-by-step derivation
      1. sqrt-div97.5%

        \[\leadsto 1 + \left(-0.3333333333333333 \cdot \color{blue}{\frac{\sqrt{1}}{\sqrt{x}}}\right) \cdot y \]
      2. metadata-eval97.5%

        \[\leadsto 1 + \left(-0.3333333333333333 \cdot \frac{\color{blue}{1}}{\sqrt{x}}\right) \cdot y \]
      3. div-inv97.6%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
      4. add-sqr-sqrt0.0%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{\frac{-0.3333333333333333}{\sqrt{x}}}\right)} \cdot y \]
      5. sqrt-unprod2.5%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{-0.3333333333333333}{\sqrt{x}} \cdot \frac{-0.3333333333333333}{\sqrt{x}}}} \cdot y \]
      6. sqr-neg2.5%

        \[\leadsto 1 + \sqrt{\color{blue}{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right) \cdot \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)}} \cdot y \]
      7. sqrt-unprod2.5%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}}\right)} \cdot y \]
      8. add-sqr-sqrt2.5%

        \[\leadsto 1 + \color{blue}{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
      9. neg-sub02.5%

        \[\leadsto 1 + \color{blue}{\left(0 - \frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
      10. sub-neg2.5%

        \[\leadsto 1 + \color{blue}{\left(0 + \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)\right)} \cdot y \]
      11. add-sqr-sqrt2.5%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      12. sqrt-unprod2.5%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right) \cdot \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)}}\right) \cdot y \]
      13. sqr-neg2.5%

        \[\leadsto 1 + \left(0 + \sqrt{\color{blue}{\frac{-0.3333333333333333}{\sqrt{x}} \cdot \frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      14. sqrt-unprod0.0%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{\frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      15. add-sqr-sqrt97.6%

        \[\leadsto 1 + \left(0 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}}\right) \cdot y \]
    9. Applied egg-rr97.6%

      \[\leadsto 1 + \color{blue}{\left(0 + \frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
    10. Step-by-step derivation
      1. +-lft-identity97.6%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
    11. Simplified97.6%

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

    if -7.8e17 < y < 2.7999999999999999e91

    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. sub-neg99.8%

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

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

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

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

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

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

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

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

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      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 98.1%

      \[\leadsto \color{blue}{1 - 0.1111111111111111 \cdot \frac{1}{x}} \]
    6. Step-by-step derivation
      1. cancel-sign-sub-inv98.1%

        \[\leadsto \color{blue}{1 + \left(-0.1111111111111111\right) \cdot \frac{1}{x}} \]
      2. metadata-eval98.1%

        \[\leadsto 1 + \color{blue}{-0.1111111111111111} \cdot \frac{1}{x} \]
      3. associate-*r/98.2%

        \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111 \cdot 1}{x}} \]
      4. metadata-eval98.2%

        \[\leadsto 1 + \frac{\color{blue}{-0.1111111111111111}}{x} \]
      5. +-commutative98.2%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    7. Simplified98.2%

      \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    8. Step-by-step derivation
      1. add-cube-cbrt97.3%

        \[\leadsto \color{blue}{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}} \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}\right) \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}} + 1 \]
      2. pow397.3%

        \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    9. Applied egg-rr97.3%

      \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    10. Step-by-step derivation
      1. rem-cube-cbrt98.2%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x}} + 1 \]
      2. add-sqr-sqrt0.0%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}} + 1 \]
      3. sqrt-unprod45.2%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}} + 1 \]
      4. frac-times45.2%

        \[\leadsto \sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}} + 1 \]
      5. metadata-eval45.2%

        \[\leadsto \sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}} + 1 \]
      6. metadata-eval45.2%

        \[\leadsto \sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}} + 1 \]
      7. frac-times45.2%

        \[\leadsto \sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}} + 1 \]
      8. sqrt-unprod45.2%

        \[\leadsto \color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}} + 1 \]
      9. add-sqr-sqrt45.2%

        \[\leadsto \color{blue}{\frac{0.1111111111111111}{x}} + 1 \]
      10. metadata-eval45.2%

        \[\leadsto \frac{\color{blue}{--0.1111111111111111}}{x} + 1 \]
      11. distribute-neg-frac45.2%

        \[\leadsto \color{blue}{\left(-\frac{-0.1111111111111111}{x}\right)} + 1 \]
      12. clear-num45.2%

        \[\leadsto \left(-\color{blue}{\frac{1}{\frac{x}{-0.1111111111111111}}}\right) + 1 \]
      13. distribute-neg-frac45.2%

        \[\leadsto \color{blue}{\frac{-1}{\frac{x}{-0.1111111111111111}}} + 1 \]
      14. metadata-eval45.2%

        \[\leadsto \frac{\color{blue}{-1}}{\frac{x}{-0.1111111111111111}} + 1 \]
      15. clear-num45.2%

        \[\leadsto \frac{-1}{\color{blue}{\frac{1}{\frac{-0.1111111111111111}{x}}}} + 1 \]
      16. add-sqr-sqrt0.0%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}}}} + 1 \]
      17. sqrt-unprod69.3%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}}}} + 1 \]
      18. frac-times69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}}}} + 1 \]
      19. metadata-eval69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}}}} + 1 \]
      20. metadata-eval69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}}}} + 1 \]
      21. frac-times69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}}}} + 1 \]
      22. sqrt-unprod97.9%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}}}} + 1 \]
      23. add-sqr-sqrt98.1%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\frac{0.1111111111111111}{x}}}} + 1 \]
      24. clear-num98.1%

        \[\leadsto \frac{-1}{\color{blue}{\frac{x}{0.1111111111111111}}} + 1 \]
      25. div-inv98.3%

        \[\leadsto \frac{-1}{\color{blue}{x \cdot \frac{1}{0.1111111111111111}}} + 1 \]
      26. metadata-eval98.3%

        \[\leadsto \frac{-1}{x \cdot \color{blue}{9}} + 1 \]
    11. Applied egg-rr98.3%

      \[\leadsto \color{blue}{\frac{-1}{x \cdot 9}} + 1 \]
  3. Recombined 2 regimes into one program.
  4. Final simplification98.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -7.8 \cdot 10^{+17} \lor \neg \left(y \leq 2.8 \cdot 10^{+91}\right):\\ \;\;\;\;1 + y \cdot \frac{-0.3333333333333333}{\sqrt{x}}\\ \mathbf{else}:\\ \;\;\;\;1 + \frac{-1}{x \cdot 9}\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 94.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -8 \cdot 10^{+17} \lor \neg \left(y \leq 2.8 \cdot 10^{+91}\right):\\ \;\;\;\;1 + \frac{\frac{y}{-3}}{\sqrt{x}}\\ \mathbf{else}:\\ \;\;\;\;1 + \frac{-1}{x \cdot 9}\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (if (or (<= y -8e+17) (not (<= y 2.8e+91)))
   (+ 1.0 (/ (/ y -3.0) (sqrt x)))
   (+ 1.0 (/ -1.0 (* x 9.0)))))
double code(double x, double y) {
	double tmp;
	if ((y <= -8e+17) || !(y <= 2.8e+91)) {
		tmp = 1.0 + ((y / -3.0) / sqrt(x));
	} else {
		tmp = 1.0 + (-1.0 / (x * 9.0));
	}
	return tmp;
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if ((y <= (-8d+17)) .or. (.not. (y <= 2.8d+91))) then
        tmp = 1.0d0 + ((y / (-3.0d0)) / sqrt(x))
    else
        tmp = 1.0d0 + ((-1.0d0) / (x * 9.0d0))
    end if
    code = tmp
end function
public static double code(double x, double y) {
	double tmp;
	if ((y <= -8e+17) || !(y <= 2.8e+91)) {
		tmp = 1.0 + ((y / -3.0) / Math.sqrt(x));
	} else {
		tmp = 1.0 + (-1.0 / (x * 9.0));
	}
	return tmp;
}
def code(x, y):
	tmp = 0
	if (y <= -8e+17) or not (y <= 2.8e+91):
		tmp = 1.0 + ((y / -3.0) / math.sqrt(x))
	else:
		tmp = 1.0 + (-1.0 / (x * 9.0))
	return tmp
function code(x, y)
	tmp = 0.0
	if ((y <= -8e+17) || !(y <= 2.8e+91))
		tmp = Float64(1.0 + Float64(Float64(y / -3.0) / sqrt(x)));
	else
		tmp = Float64(1.0 + Float64(-1.0 / Float64(x * 9.0)));
	end
	return tmp
end
function tmp_2 = code(x, y)
	tmp = 0.0;
	if ((y <= -8e+17) || ~((y <= 2.8e+91)))
		tmp = 1.0 + ((y / -3.0) / sqrt(x));
	else
		tmp = 1.0 + (-1.0 / (x * 9.0));
	end
	tmp_2 = tmp;
end
code[x_, y_] := If[Or[LessEqual[y, -8e+17], N[Not[LessEqual[y, 2.8e+91]], $MachinePrecision]], N[(1.0 + N[(N[(y / -3.0), $MachinePrecision] / N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(1.0 + N[(-1.0 / N[(x * 9.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;y \leq -8 \cdot 10^{+17} \lor \neg \left(y \leq 2.8 \cdot 10^{+91}\right):\\
\;\;\;\;1 + \frac{\frac{y}{-3}}{\sqrt{x}}\\

\mathbf{else}:\\
\;\;\;\;1 + \frac{-1}{x \cdot 9}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if y < -8e17 or 2.7999999999999999e91 < 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. sub-neg99.6%

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

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

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

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

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

        \[\leadsto \color{blue}{1 + \left(\frac{-y}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right)} \]
      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-*r/99.4%

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

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

        \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
      12. metadata-eval99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
      13. *-commutative99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
      14. associate-/r*99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      15. distribute-neg-frac99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \color{blue}{\frac{-\frac{1}{9}}{x}}\right) \]
      16. metadata-eval99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-\color{blue}{0.1111111111111111}}{x}\right) \]
      17. metadata-eval99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{\color{blue}{-0.1111111111111111}}{x}\right) \]
    3. Simplified99.4%

      \[\leadsto \color{blue}{1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-0.1111111111111111}{x}\right)} \]
    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*97.6%

        \[\leadsto 1 + \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
    7. Simplified97.6%

      \[\leadsto 1 + \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
    8. Step-by-step derivation
      1. sqrt-div97.5%

        \[\leadsto 1 + \left(-0.3333333333333333 \cdot \color{blue}{\frac{\sqrt{1}}{\sqrt{x}}}\right) \cdot y \]
      2. metadata-eval97.5%

        \[\leadsto 1 + \left(-0.3333333333333333 \cdot \frac{\color{blue}{1}}{\sqrt{x}}\right) \cdot y \]
      3. div-inv97.6%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
      4. add-sqr-sqrt0.0%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{\frac{-0.3333333333333333}{\sqrt{x}}}\right)} \cdot y \]
      5. sqrt-unprod2.5%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{-0.3333333333333333}{\sqrt{x}} \cdot \frac{-0.3333333333333333}{\sqrt{x}}}} \cdot y \]
      6. sqr-neg2.5%

        \[\leadsto 1 + \sqrt{\color{blue}{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right) \cdot \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)}} \cdot y \]
      7. sqrt-unprod2.5%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}}\right)} \cdot y \]
      8. add-sqr-sqrt2.5%

        \[\leadsto 1 + \color{blue}{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
      9. neg-sub02.5%

        \[\leadsto 1 + \color{blue}{\left(0 - \frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
      10. sub-neg2.5%

        \[\leadsto 1 + \color{blue}{\left(0 + \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)\right)} \cdot y \]
      11. add-sqr-sqrt2.5%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      12. sqrt-unprod2.5%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right) \cdot \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)}}\right) \cdot y \]
      13. sqr-neg2.5%

        \[\leadsto 1 + \left(0 + \sqrt{\color{blue}{\frac{-0.3333333333333333}{\sqrt{x}} \cdot \frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      14. sqrt-unprod0.0%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{\frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      15. add-sqr-sqrt97.6%

        \[\leadsto 1 + \left(0 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}}\right) \cdot y \]
    9. Applied egg-rr97.6%

      \[\leadsto 1 + \color{blue}{\left(0 + \frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
    10. Step-by-step derivation
      1. +-lft-identity97.6%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
    11. Simplified97.6%

      \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
    12. Step-by-step derivation
      1. associate-*l/97.6%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333 \cdot y}{\sqrt{x}}} \]
      2. *-un-lft-identity97.6%

        \[\leadsto 1 + \frac{-0.3333333333333333 \cdot y}{\color{blue}{1 \cdot \sqrt{x}}} \]
      3. times-frac96.8%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{1} \cdot \frac{y}{\sqrt{x}}} \]
      4. metadata-eval96.8%

        \[\leadsto 1 + \color{blue}{-0.3333333333333333} \cdot \frac{y}{\sqrt{x}} \]
      5. metadata-eval96.8%

        \[\leadsto 1 + \color{blue}{\frac{1}{-3}} \cdot \frac{y}{\sqrt{x}} \]
      6. times-frac97.7%

        \[\leadsto 1 + \color{blue}{\frac{1 \cdot y}{-3 \cdot \sqrt{x}}} \]
      7. *-un-lft-identity97.7%

        \[\leadsto 1 + \frac{\color{blue}{y}}{-3 \cdot \sqrt{x}} \]
      8. associate-/r*97.8%

        \[\leadsto 1 + \color{blue}{\frac{\frac{y}{-3}}{\sqrt{x}}} \]
    13. Applied egg-rr97.8%

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

    if -8e17 < y < 2.7999999999999999e91

    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. sub-neg99.8%

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

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

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

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

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

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

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

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

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      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 98.1%

      \[\leadsto \color{blue}{1 - 0.1111111111111111 \cdot \frac{1}{x}} \]
    6. Step-by-step derivation
      1. cancel-sign-sub-inv98.1%

        \[\leadsto \color{blue}{1 + \left(-0.1111111111111111\right) \cdot \frac{1}{x}} \]
      2. metadata-eval98.1%

        \[\leadsto 1 + \color{blue}{-0.1111111111111111} \cdot \frac{1}{x} \]
      3. associate-*r/98.2%

        \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111 \cdot 1}{x}} \]
      4. metadata-eval98.2%

        \[\leadsto 1 + \frac{\color{blue}{-0.1111111111111111}}{x} \]
      5. +-commutative98.2%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    7. Simplified98.2%

      \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    8. Step-by-step derivation
      1. add-cube-cbrt97.3%

        \[\leadsto \color{blue}{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}} \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}\right) \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}} + 1 \]
      2. pow397.3%

        \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    9. Applied egg-rr97.3%

      \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    10. Step-by-step derivation
      1. rem-cube-cbrt98.2%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x}} + 1 \]
      2. add-sqr-sqrt0.0%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}} + 1 \]
      3. sqrt-unprod45.2%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}} + 1 \]
      4. frac-times45.2%

        \[\leadsto \sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}} + 1 \]
      5. metadata-eval45.2%

        \[\leadsto \sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}} + 1 \]
      6. metadata-eval45.2%

        \[\leadsto \sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}} + 1 \]
      7. frac-times45.2%

        \[\leadsto \sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}} + 1 \]
      8. sqrt-unprod45.2%

        \[\leadsto \color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}} + 1 \]
      9. add-sqr-sqrt45.2%

        \[\leadsto \color{blue}{\frac{0.1111111111111111}{x}} + 1 \]
      10. metadata-eval45.2%

        \[\leadsto \frac{\color{blue}{--0.1111111111111111}}{x} + 1 \]
      11. distribute-neg-frac45.2%

        \[\leadsto \color{blue}{\left(-\frac{-0.1111111111111111}{x}\right)} + 1 \]
      12. clear-num45.2%

        \[\leadsto \left(-\color{blue}{\frac{1}{\frac{x}{-0.1111111111111111}}}\right) + 1 \]
      13. distribute-neg-frac45.2%

        \[\leadsto \color{blue}{\frac{-1}{\frac{x}{-0.1111111111111111}}} + 1 \]
      14. metadata-eval45.2%

        \[\leadsto \frac{\color{blue}{-1}}{\frac{x}{-0.1111111111111111}} + 1 \]
      15. clear-num45.2%

        \[\leadsto \frac{-1}{\color{blue}{\frac{1}{\frac{-0.1111111111111111}{x}}}} + 1 \]
      16. add-sqr-sqrt0.0%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}}}} + 1 \]
      17. sqrt-unprod69.3%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}}}} + 1 \]
      18. frac-times69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}}}} + 1 \]
      19. metadata-eval69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}}}} + 1 \]
      20. metadata-eval69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}}}} + 1 \]
      21. frac-times69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}}}} + 1 \]
      22. sqrt-unprod97.9%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}}}} + 1 \]
      23. add-sqr-sqrt98.1%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\frac{0.1111111111111111}{x}}}} + 1 \]
      24. clear-num98.1%

        \[\leadsto \frac{-1}{\color{blue}{\frac{x}{0.1111111111111111}}} + 1 \]
      25. div-inv98.3%

        \[\leadsto \frac{-1}{\color{blue}{x \cdot \frac{1}{0.1111111111111111}}} + 1 \]
      26. metadata-eval98.3%

        \[\leadsto \frac{-1}{x \cdot \color{blue}{9}} + 1 \]
    11. Applied egg-rr98.3%

      \[\leadsto \color{blue}{\frac{-1}{x \cdot 9}} + 1 \]
  3. Recombined 2 regimes into one program.
  4. Final simplification98.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -8 \cdot 10^{+17} \lor \neg \left(y \leq 2.8 \cdot 10^{+91}\right):\\ \;\;\;\;1 + \frac{\frac{y}{-3}}{\sqrt{x}}\\ \mathbf{else}:\\ \;\;\;\;1 + \frac{-1}{x \cdot 9}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 94.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -7.8 \cdot 10^{+17}:\\ \;\;\;\;1 + \frac{-0.3333333333333333}{\frac{\sqrt{x}}{y}}\\ \mathbf{elif}\;y \leq 2.8 \cdot 10^{+91}:\\ \;\;\;\;1 + \frac{-1}{x \cdot 9}\\ \mathbf{else}:\\ \;\;\;\;1 + y \cdot \frac{-0.3333333333333333}{\sqrt{x}}\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (if (<= y -7.8e+17)
   (+ 1.0 (/ -0.3333333333333333 (/ (sqrt x) y)))
   (if (<= y 2.8e+91)
     (+ 1.0 (/ -1.0 (* x 9.0)))
     (+ 1.0 (* y (/ -0.3333333333333333 (sqrt x)))))))
double code(double x, double y) {
	double tmp;
	if (y <= -7.8e+17) {
		tmp = 1.0 + (-0.3333333333333333 / (sqrt(x) / y));
	} else if (y <= 2.8e+91) {
		tmp = 1.0 + (-1.0 / (x * 9.0));
	} 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 (y <= (-7.8d+17)) then
        tmp = 1.0d0 + ((-0.3333333333333333d0) / (sqrt(x) / y))
    else if (y <= 2.8d+91) then
        tmp = 1.0d0 + ((-1.0d0) / (x * 9.0d0))
    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 (y <= -7.8e+17) {
		tmp = 1.0 + (-0.3333333333333333 / (Math.sqrt(x) / y));
	} else if (y <= 2.8e+91) {
		tmp = 1.0 + (-1.0 / (x * 9.0));
	} else {
		tmp = 1.0 + (y * (-0.3333333333333333 / Math.sqrt(x)));
	}
	return tmp;
}
def code(x, y):
	tmp = 0
	if y <= -7.8e+17:
		tmp = 1.0 + (-0.3333333333333333 / (math.sqrt(x) / y))
	elif y <= 2.8e+91:
		tmp = 1.0 + (-1.0 / (x * 9.0))
	else:
		tmp = 1.0 + (y * (-0.3333333333333333 / math.sqrt(x)))
	return tmp
function code(x, y)
	tmp = 0.0
	if (y <= -7.8e+17)
		tmp = Float64(1.0 + Float64(-0.3333333333333333 / Float64(sqrt(x) / y)));
	elseif (y <= 2.8e+91)
		tmp = Float64(1.0 + Float64(-1.0 / Float64(x * 9.0)));
	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 (y <= -7.8e+17)
		tmp = 1.0 + (-0.3333333333333333 / (sqrt(x) / y));
	elseif (y <= 2.8e+91)
		tmp = 1.0 + (-1.0 / (x * 9.0));
	else
		tmp = 1.0 + (y * (-0.3333333333333333 / sqrt(x)));
	end
	tmp_2 = tmp;
end
code[x_, y_] := If[LessEqual[y, -7.8e+17], N[(1.0 + N[(-0.3333333333333333 / N[(N[Sqrt[x], $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 2.8e+91], N[(1.0 + N[(-1.0 / N[(x * 9.0), $MachinePrecision]), $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}\;y \leq -7.8 \cdot 10^{+17}:\\
\;\;\;\;1 + \frac{-0.3333333333333333}{\frac{\sqrt{x}}{y}}\\

\mathbf{elif}\;y \leq 2.8 \cdot 10^{+91}:\\
\;\;\;\;1 + \frac{-1}{x \cdot 9}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if y < -7.8e17

    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. sub-neg99.5%

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

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

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

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

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

        \[\leadsto \color{blue}{1 + \left(\frac{-y}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right)} \]
      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-*r/99.4%

        \[\leadsto 1 + \left(\color{blue}{y \cdot \frac{-1}{3 \cdot \sqrt{x}}} - \frac{1}{x \cdot 9}\right) \]
      10. fma-neg99.4%

        \[\leadsto 1 + \color{blue}{\mathsf{fma}\left(y, \frac{-1}{3 \cdot \sqrt{x}}, -\frac{1}{x \cdot 9}\right)} \]
      11. associate-/r*99.4%

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

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
      13. *-commutative99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
      14. associate-/r*99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      15. distribute-neg-frac99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \color{blue}{\frac{-\frac{1}{9}}{x}}\right) \]
      16. metadata-eval99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-\color{blue}{0.1111111111111111}}{x}\right) \]
      17. metadata-eval99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{\color{blue}{-0.1111111111111111}}{x}\right) \]
    3. Simplified99.4%

      \[\leadsto \color{blue}{1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-0.1111111111111111}{x}\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in y around inf 97.8%

      \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \left(\sqrt{\frac{1}{x}} \cdot y\right)} \]
    6. Step-by-step derivation
      1. associate-*r*97.9%

        \[\leadsto 1 + \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
    7. Simplified97.9%

      \[\leadsto 1 + \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
    8. Step-by-step derivation
      1. sqrt-div97.9%

        \[\leadsto 1 + \left(-0.3333333333333333 \cdot \color{blue}{\frac{\sqrt{1}}{\sqrt{x}}}\right) \cdot y \]
      2. metadata-eval97.9%

        \[\leadsto 1 + \left(-0.3333333333333333 \cdot \frac{\color{blue}{1}}{\sqrt{x}}\right) \cdot y \]
      3. div-inv97.8%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
      4. add-sqr-sqrt0.0%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{\frac{-0.3333333333333333}{\sqrt{x}}}\right)} \cdot y \]
      5. sqrt-unprod1.9%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{-0.3333333333333333}{\sqrt{x}} \cdot \frac{-0.3333333333333333}{\sqrt{x}}}} \cdot y \]
      6. sqr-neg1.9%

        \[\leadsto 1 + \sqrt{\color{blue}{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right) \cdot \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)}} \cdot y \]
      7. sqrt-unprod1.9%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}}\right)} \cdot y \]
      8. add-sqr-sqrt1.9%

        \[\leadsto 1 + \color{blue}{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
      9. neg-sub01.9%

        \[\leadsto 1 + \color{blue}{\left(0 - \frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
      10. sub-neg1.9%

        \[\leadsto 1 + \color{blue}{\left(0 + \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)\right)} \cdot y \]
      11. add-sqr-sqrt1.9%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      12. sqrt-unprod1.9%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right) \cdot \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)}}\right) \cdot y \]
      13. sqr-neg1.9%

        \[\leadsto 1 + \left(0 + \sqrt{\color{blue}{\frac{-0.3333333333333333}{\sqrt{x}} \cdot \frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      14. sqrt-unprod0.0%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{\frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      15. add-sqr-sqrt97.8%

        \[\leadsto 1 + \left(0 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}}\right) \cdot y \]
    9. Applied egg-rr97.8%

      \[\leadsto 1 + \color{blue}{\left(0 + \frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
    10. Step-by-step derivation
      1. +-lft-identity97.8%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
    11. Simplified97.8%

      \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
    12. Step-by-step derivation
      1. associate-*l/97.9%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333 \cdot y}{\sqrt{x}}} \]
      2. associate-/l*97.9%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\frac{\sqrt{x}}{y}}} \]
    13. Applied egg-rr97.9%

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

    if -7.8e17 < y < 2.7999999999999999e91

    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. sub-neg99.8%

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

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

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

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

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

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

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

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

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      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 98.1%

      \[\leadsto \color{blue}{1 - 0.1111111111111111 \cdot \frac{1}{x}} \]
    6. Step-by-step derivation
      1. cancel-sign-sub-inv98.1%

        \[\leadsto \color{blue}{1 + \left(-0.1111111111111111\right) \cdot \frac{1}{x}} \]
      2. metadata-eval98.1%

        \[\leadsto 1 + \color{blue}{-0.1111111111111111} \cdot \frac{1}{x} \]
      3. associate-*r/98.2%

        \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111 \cdot 1}{x}} \]
      4. metadata-eval98.2%

        \[\leadsto 1 + \frac{\color{blue}{-0.1111111111111111}}{x} \]
      5. +-commutative98.2%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    7. Simplified98.2%

      \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    8. Step-by-step derivation
      1. add-cube-cbrt97.3%

        \[\leadsto \color{blue}{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}} \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}\right) \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}} + 1 \]
      2. pow397.3%

        \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    9. Applied egg-rr97.3%

      \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    10. Step-by-step derivation
      1. rem-cube-cbrt98.2%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x}} + 1 \]
      2. add-sqr-sqrt0.0%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}} + 1 \]
      3. sqrt-unprod45.2%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}} + 1 \]
      4. frac-times45.2%

        \[\leadsto \sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}} + 1 \]
      5. metadata-eval45.2%

        \[\leadsto \sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}} + 1 \]
      6. metadata-eval45.2%

        \[\leadsto \sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}} + 1 \]
      7. frac-times45.2%

        \[\leadsto \sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}} + 1 \]
      8. sqrt-unprod45.2%

        \[\leadsto \color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}} + 1 \]
      9. add-sqr-sqrt45.2%

        \[\leadsto \color{blue}{\frac{0.1111111111111111}{x}} + 1 \]
      10. metadata-eval45.2%

        \[\leadsto \frac{\color{blue}{--0.1111111111111111}}{x} + 1 \]
      11. distribute-neg-frac45.2%

        \[\leadsto \color{blue}{\left(-\frac{-0.1111111111111111}{x}\right)} + 1 \]
      12. clear-num45.2%

        \[\leadsto \left(-\color{blue}{\frac{1}{\frac{x}{-0.1111111111111111}}}\right) + 1 \]
      13. distribute-neg-frac45.2%

        \[\leadsto \color{blue}{\frac{-1}{\frac{x}{-0.1111111111111111}}} + 1 \]
      14. metadata-eval45.2%

        \[\leadsto \frac{\color{blue}{-1}}{\frac{x}{-0.1111111111111111}} + 1 \]
      15. clear-num45.2%

        \[\leadsto \frac{-1}{\color{blue}{\frac{1}{\frac{-0.1111111111111111}{x}}}} + 1 \]
      16. add-sqr-sqrt0.0%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}}}} + 1 \]
      17. sqrt-unprod69.3%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}}}} + 1 \]
      18. frac-times69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}}}} + 1 \]
      19. metadata-eval69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}}}} + 1 \]
      20. metadata-eval69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}}}} + 1 \]
      21. frac-times69.3%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}}}} + 1 \]
      22. sqrt-unprod97.9%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}}}} + 1 \]
      23. add-sqr-sqrt98.1%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\frac{0.1111111111111111}{x}}}} + 1 \]
      24. clear-num98.1%

        \[\leadsto \frac{-1}{\color{blue}{\frac{x}{0.1111111111111111}}} + 1 \]
      25. div-inv98.3%

        \[\leadsto \frac{-1}{\color{blue}{x \cdot \frac{1}{0.1111111111111111}}} + 1 \]
      26. metadata-eval98.3%

        \[\leadsto \frac{-1}{x \cdot \color{blue}{9}} + 1 \]
    11. Applied egg-rr98.3%

      \[\leadsto \color{blue}{\frac{-1}{x \cdot 9}} + 1 \]

    if 2.7999999999999999e91 < 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. sub-neg99.6%

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

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

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

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

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

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

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

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

        \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
      12. metadata-eval99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
      13. *-commutative99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
      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 96.0%

      \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \left(\sqrt{\frac{1}{x}} \cdot y\right)} \]
    6. Step-by-step derivation
      1. associate-*r*97.3%

        \[\leadsto 1 + \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
    7. Simplified97.3%

      \[\leadsto 1 + \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
    8. Step-by-step derivation
      1. sqrt-div97.2%

        \[\leadsto 1 + \left(-0.3333333333333333 \cdot \color{blue}{\frac{\sqrt{1}}{\sqrt{x}}}\right) \cdot y \]
      2. metadata-eval97.2%

        \[\leadsto 1 + \left(-0.3333333333333333 \cdot \frac{\color{blue}{1}}{\sqrt{x}}\right) \cdot y \]
      3. div-inv97.3%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
      4. add-sqr-sqrt0.0%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{\frac{-0.3333333333333333}{\sqrt{x}}}\right)} \cdot y \]
      5. sqrt-unprod3.1%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{-0.3333333333333333}{\sqrt{x}} \cdot \frac{-0.3333333333333333}{\sqrt{x}}}} \cdot y \]
      6. sqr-neg3.1%

        \[\leadsto 1 + \sqrt{\color{blue}{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right) \cdot \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)}} \cdot y \]
      7. sqrt-unprod3.1%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}}\right)} \cdot y \]
      8. add-sqr-sqrt3.1%

        \[\leadsto 1 + \color{blue}{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
      9. neg-sub03.1%

        \[\leadsto 1 + \color{blue}{\left(0 - \frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
      10. sub-neg3.1%

        \[\leadsto 1 + \color{blue}{\left(0 + \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)\right)} \cdot y \]
      11. add-sqr-sqrt3.1%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      12. sqrt-unprod3.1%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right) \cdot \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)}}\right) \cdot y \]
      13. sqr-neg3.1%

        \[\leadsto 1 + \left(0 + \sqrt{\color{blue}{\frac{-0.3333333333333333}{\sqrt{x}} \cdot \frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      14. sqrt-unprod0.0%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{\frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      15. add-sqr-sqrt97.3%

        \[\leadsto 1 + \left(0 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}}\right) \cdot y \]
    9. Applied egg-rr97.3%

      \[\leadsto 1 + \color{blue}{\left(0 + \frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
    10. Step-by-step derivation
      1. +-lft-identity97.3%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
    11. Simplified97.3%

      \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
  3. Recombined 3 regimes into one program.
  4. Final simplification98.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -7.8 \cdot 10^{+17}:\\ \;\;\;\;1 + \frac{-0.3333333333333333}{\frac{\sqrt{x}}{y}}\\ \mathbf{elif}\;y \leq 2.8 \cdot 10^{+91}:\\ \;\;\;\;1 + \frac{-1}{x \cdot 9}\\ \mathbf{else}:\\ \;\;\;\;1 + y \cdot \frac{-0.3333333333333333}{\sqrt{x}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 98.5% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq 0.106:\\ \;\;\;\;\frac{-0.1111111111111111}{x} - \frac{y}{\sqrt{x}} \cdot 0.3333333333333333\\ \mathbf{else}:\\ \;\;\;\;1 + \frac{\frac{y}{-3}}{\sqrt{x}}\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (if (<= x 0.106)
   (- (/ -0.1111111111111111 x) (* (/ y (sqrt x)) 0.3333333333333333))
   (+ 1.0 (/ (/ y -3.0) (sqrt x)))))
double code(double x, double y) {
	double tmp;
	if (x <= 0.106) {
		tmp = (-0.1111111111111111 / x) - ((y / sqrt(x)) * 0.3333333333333333);
	} else {
		tmp = 1.0 + ((y / -3.0) / 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 <= 0.106d0) then
        tmp = ((-0.1111111111111111d0) / x) - ((y / sqrt(x)) * 0.3333333333333333d0)
    else
        tmp = 1.0d0 + ((y / (-3.0d0)) / sqrt(x))
    end if
    code = tmp
end function
public static double code(double x, double y) {
	double tmp;
	if (x <= 0.106) {
		tmp = (-0.1111111111111111 / x) - ((y / Math.sqrt(x)) * 0.3333333333333333);
	} else {
		tmp = 1.0 + ((y / -3.0) / Math.sqrt(x));
	}
	return tmp;
}
def code(x, y):
	tmp = 0
	if x <= 0.106:
		tmp = (-0.1111111111111111 / x) - ((y / math.sqrt(x)) * 0.3333333333333333)
	else:
		tmp = 1.0 + ((y / -3.0) / math.sqrt(x))
	return tmp
function code(x, y)
	tmp = 0.0
	if (x <= 0.106)
		tmp = Float64(Float64(-0.1111111111111111 / x) - Float64(Float64(y / sqrt(x)) * 0.3333333333333333));
	else
		tmp = Float64(1.0 + Float64(Float64(y / -3.0) / sqrt(x)));
	end
	return tmp
end
function tmp_2 = code(x, y)
	tmp = 0.0;
	if (x <= 0.106)
		tmp = (-0.1111111111111111 / x) - ((y / sqrt(x)) * 0.3333333333333333);
	else
		tmp = 1.0 + ((y / -3.0) / sqrt(x));
	end
	tmp_2 = tmp;
end
code[x_, y_] := If[LessEqual[x, 0.106], N[(N[(-0.1111111111111111 / x), $MachinePrecision] - N[(N[(y / N[Sqrt[x], $MachinePrecision]), $MachinePrecision] * 0.3333333333333333), $MachinePrecision]), $MachinePrecision], N[(1.0 + N[(N[(y / -3.0), $MachinePrecision] / N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;x \leq 0.106:\\
\;\;\;\;\frac{-0.1111111111111111}{x} - \frac{y}{\sqrt{x}} \cdot 0.3333333333333333\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if x < 0.105999999999999997

    1. Initial program 99.6%

      \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. frac-2neg99.6%

        \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \color{blue}{\frac{-y}{-3 \cdot \sqrt{x}}} \]
      2. div-inv99.6%

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

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

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

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

        \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \left(-y\right) \cdot \frac{1}{\sqrt{x} \cdot \color{blue}{\frac{1}{-0.3333333333333333}}} \]
      7. div-inv99.5%

        \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \left(-y\right) \cdot \frac{1}{\color{blue}{\frac{\sqrt{x}}{-0.3333333333333333}}} \]
      8. clear-num99.6%

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

      \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \color{blue}{\left(-y\right) \cdot \frac{-0.3333333333333333}{\sqrt{x}}} \]
    5. Taylor expanded in x around 0 96.7%

      \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x}} - \left(-y\right) \cdot \frac{-0.3333333333333333}{\sqrt{x}} \]
    6. Step-by-step derivation
      1. distribute-lft-neg-out96.7%

        \[\leadsto \frac{-0.1111111111111111}{x} - \color{blue}{\left(-y \cdot \frac{-0.3333333333333333}{\sqrt{x}}\right)} \]
      2. *-commutative96.7%

        \[\leadsto \frac{-0.1111111111111111}{x} - \left(-\color{blue}{\frac{-0.3333333333333333}{\sqrt{x}} \cdot y}\right) \]
      3. div-inv96.7%

        \[\leadsto \frac{-0.1111111111111111}{x} - \left(-\color{blue}{\left(-0.3333333333333333 \cdot \frac{1}{\sqrt{x}}\right)} \cdot y\right) \]
      4. metadata-eval96.7%

        \[\leadsto \frac{-0.1111111111111111}{x} - \left(-\left(-0.3333333333333333 \cdot \frac{\color{blue}{\sqrt{1}}}{\sqrt{x}}\right) \cdot y\right) \]
      5. sqrt-div96.7%

        \[\leadsto \frac{-0.1111111111111111}{x} - \left(-\left(-0.3333333333333333 \cdot \color{blue}{\sqrt{\frac{1}{x}}}\right) \cdot y\right) \]
      6. neg-sub096.7%

        \[\leadsto \frac{-0.1111111111111111}{x} - \color{blue}{\left(0 - \left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y\right)} \]
      7. associate-*l*96.1%

        \[\leadsto \frac{-0.1111111111111111}{x} - \left(0 - \color{blue}{-0.3333333333333333 \cdot \left(\sqrt{\frac{1}{x}} \cdot y\right)}\right) \]
      8. sqrt-div96.1%

        \[\leadsto \frac{-0.1111111111111111}{x} - \left(0 - -0.3333333333333333 \cdot \left(\color{blue}{\frac{\sqrt{1}}{\sqrt{x}}} \cdot y\right)\right) \]
      9. metadata-eval96.1%

        \[\leadsto \frac{-0.1111111111111111}{x} - \left(0 - -0.3333333333333333 \cdot \left(\frac{\color{blue}{1}}{\sqrt{x}} \cdot y\right)\right) \]
      10. associate-*l/96.1%

        \[\leadsto \frac{-0.1111111111111111}{x} - \left(0 - -0.3333333333333333 \cdot \color{blue}{\frac{1 \cdot y}{\sqrt{x}}}\right) \]
      11. *-un-lft-identity96.1%

        \[\leadsto \frac{-0.1111111111111111}{x} - \left(0 - -0.3333333333333333 \cdot \frac{\color{blue}{y}}{\sqrt{x}}\right) \]
    7. Applied egg-rr96.1%

      \[\leadsto \frac{-0.1111111111111111}{x} - \color{blue}{\left(0 - -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\right)} \]
    8. Step-by-step derivation
      1. neg-sub096.1%

        \[\leadsto \frac{-0.1111111111111111}{x} - \color{blue}{\left(--0.3333333333333333 \cdot \frac{y}{\sqrt{x}}\right)} \]
      2. distribute-lft-neg-in96.1%

        \[\leadsto \frac{-0.1111111111111111}{x} - \color{blue}{\left(--0.3333333333333333\right) \cdot \frac{y}{\sqrt{x}}} \]
      3. metadata-eval96.1%

        \[\leadsto \frac{-0.1111111111111111}{x} - \color{blue}{0.3333333333333333} \cdot \frac{y}{\sqrt{x}} \]
    9. Simplified96.1%

      \[\leadsto \frac{-0.1111111111111111}{x} - \color{blue}{0.3333333333333333 \cdot \frac{y}{\sqrt{x}}} \]

    if 0.105999999999999997 < 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. sub-neg99.8%

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

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

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

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

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

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

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

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

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      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 inf 99.3%

      \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \left(\sqrt{\frac{1}{x}} \cdot y\right)} \]
    6. Step-by-step derivation
      1. associate-*r*99.3%

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

      \[\leadsto 1 + \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
    8. Step-by-step derivation
      1. sqrt-div99.3%

        \[\leadsto 1 + \left(-0.3333333333333333 \cdot \color{blue}{\frac{\sqrt{1}}{\sqrt{x}}}\right) \cdot y \]
      2. metadata-eval99.3%

        \[\leadsto 1 + \left(-0.3333333333333333 \cdot \frac{\color{blue}{1}}{\sqrt{x}}\right) \cdot y \]
      3. div-inv99.3%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
      4. add-sqr-sqrt0.0%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{\frac{-0.3333333333333333}{\sqrt{x}}}\right)} \cdot y \]
      5. sqrt-unprod54.8%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{-0.3333333333333333}{\sqrt{x}} \cdot \frac{-0.3333333333333333}{\sqrt{x}}}} \cdot y \]
      6. sqr-neg54.8%

        \[\leadsto 1 + \sqrt{\color{blue}{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right) \cdot \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)}} \cdot y \]
      7. sqrt-unprod54.8%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}}\right)} \cdot y \]
      8. add-sqr-sqrt54.8%

        \[\leadsto 1 + \color{blue}{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
      9. neg-sub054.8%

        \[\leadsto 1 + \color{blue}{\left(0 - \frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
      10. sub-neg54.8%

        \[\leadsto 1 + \color{blue}{\left(0 + \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)\right)} \cdot y \]
      11. add-sqr-sqrt54.8%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      12. sqrt-unprod54.8%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right) \cdot \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)}}\right) \cdot y \]
      13. sqr-neg54.8%

        \[\leadsto 1 + \left(0 + \sqrt{\color{blue}{\frac{-0.3333333333333333}{\sqrt{x}} \cdot \frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      14. sqrt-unprod0.0%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{\frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      15. add-sqr-sqrt99.3%

        \[\leadsto 1 + \left(0 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}}\right) \cdot y \]
    9. Applied egg-rr99.3%

      \[\leadsto 1 + \color{blue}{\left(0 + \frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
    10. Step-by-step derivation
      1. +-lft-identity99.3%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
    11. Simplified99.3%

      \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
    12. Step-by-step derivation
      1. associate-*l/99.3%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333 \cdot y}{\sqrt{x}}} \]
      2. *-un-lft-identity99.3%

        \[\leadsto 1 + \frac{-0.3333333333333333 \cdot y}{\color{blue}{1 \cdot \sqrt{x}}} \]
      3. times-frac99.2%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{1} \cdot \frac{y}{\sqrt{x}}} \]
      4. metadata-eval99.2%

        \[\leadsto 1 + \color{blue}{-0.3333333333333333} \cdot \frac{y}{\sqrt{x}} \]
      5. metadata-eval99.2%

        \[\leadsto 1 + \color{blue}{\frac{1}{-3}} \cdot \frac{y}{\sqrt{x}} \]
      6. times-frac99.3%

        \[\leadsto 1 + \color{blue}{\frac{1 \cdot y}{-3 \cdot \sqrt{x}}} \]
      7. *-un-lft-identity99.3%

        \[\leadsto 1 + \frac{\color{blue}{y}}{-3 \cdot \sqrt{x}} \]
      8. associate-/r*99.3%

        \[\leadsto 1 + \color{blue}{\frac{\frac{y}{-3}}{\sqrt{x}}} \]
    13. Applied egg-rr99.3%

      \[\leadsto 1 + \color{blue}{\frac{\frac{y}{-3}}{\sqrt{x}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification97.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq 0.106:\\ \;\;\;\;\frac{-0.1111111111111111}{x} - \frac{y}{\sqrt{x}} \cdot 0.3333333333333333\\ \mathbf{else}:\\ \;\;\;\;1 + \frac{\frac{y}{-3}}{\sqrt{x}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 98.6% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq 0.11:\\ \;\;\;\;\frac{-0.1111111111111111}{x} + y \cdot \frac{-0.3333333333333333}{\sqrt{x}}\\ \mathbf{else}:\\ \;\;\;\;1 + \frac{\frac{y}{-3}}{\sqrt{x}}\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (if (<= x 0.11)
   (+ (/ -0.1111111111111111 x) (* y (/ -0.3333333333333333 (sqrt x))))
   (+ 1.0 (/ (/ y -3.0) (sqrt x)))))
double code(double x, double y) {
	double tmp;
	if (x <= 0.11) {
		tmp = (-0.1111111111111111 / x) + (y * (-0.3333333333333333 / sqrt(x)));
	} else {
		tmp = 1.0 + ((y / -3.0) / 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 <= 0.11d0) then
        tmp = ((-0.1111111111111111d0) / x) + (y * ((-0.3333333333333333d0) / sqrt(x)))
    else
        tmp = 1.0d0 + ((y / (-3.0d0)) / sqrt(x))
    end if
    code = tmp
end function
public static double code(double x, double y) {
	double tmp;
	if (x <= 0.11) {
		tmp = (-0.1111111111111111 / x) + (y * (-0.3333333333333333 / Math.sqrt(x)));
	} else {
		tmp = 1.0 + ((y / -3.0) / Math.sqrt(x));
	}
	return tmp;
}
def code(x, y):
	tmp = 0
	if x <= 0.11:
		tmp = (-0.1111111111111111 / x) + (y * (-0.3333333333333333 / math.sqrt(x)))
	else:
		tmp = 1.0 + ((y / -3.0) / math.sqrt(x))
	return tmp
function code(x, y)
	tmp = 0.0
	if (x <= 0.11)
		tmp = Float64(Float64(-0.1111111111111111 / x) + Float64(y * Float64(-0.3333333333333333 / sqrt(x))));
	else
		tmp = Float64(1.0 + Float64(Float64(y / -3.0) / sqrt(x)));
	end
	return tmp
end
function tmp_2 = code(x, y)
	tmp = 0.0;
	if (x <= 0.11)
		tmp = (-0.1111111111111111 / x) + (y * (-0.3333333333333333 / sqrt(x)));
	else
		tmp = 1.0 + ((y / -3.0) / sqrt(x));
	end
	tmp_2 = tmp;
end
code[x_, y_] := If[LessEqual[x, 0.11], N[(N[(-0.1111111111111111 / x), $MachinePrecision] + N[(y * N[(-0.3333333333333333 / N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(1.0 + N[(N[(y / -3.0), $MachinePrecision] / N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;x \leq 0.11:\\
\;\;\;\;\frac{-0.1111111111111111}{x} + y \cdot \frac{-0.3333333333333333}{\sqrt{x}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if x < 0.110000000000000001

    1. Initial program 99.6%

      \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. frac-2neg99.6%

        \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \color{blue}{\frac{-y}{-3 \cdot \sqrt{x}}} \]
      2. div-inv99.6%

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

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

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

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

        \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \left(-y\right) \cdot \frac{1}{\sqrt{x} \cdot \color{blue}{\frac{1}{-0.3333333333333333}}} \]
      7. div-inv99.6%

        \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \left(-y\right) \cdot \frac{1}{\color{blue}{\frac{\sqrt{x}}{-0.3333333333333333}}} \]
      8. clear-num99.6%

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

      \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \color{blue}{\left(-y\right) \cdot \frac{-0.3333333333333333}{\sqrt{x}}} \]
    5. Taylor expanded in x around 0 96.7%

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

    if 0.110000000000000001 < 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. sub-neg99.8%

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

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

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

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

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

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

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

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

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      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 inf 99.3%

      \[\leadsto 1 + \color{blue}{-0.3333333333333333 \cdot \left(\sqrt{\frac{1}{x}} \cdot y\right)} \]
    6. Step-by-step derivation
      1. associate-*r*99.3%

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

      \[\leadsto 1 + \color{blue}{\left(-0.3333333333333333 \cdot \sqrt{\frac{1}{x}}\right) \cdot y} \]
    8. Step-by-step derivation
      1. sqrt-div99.3%

        \[\leadsto 1 + \left(-0.3333333333333333 \cdot \color{blue}{\frac{\sqrt{1}}{\sqrt{x}}}\right) \cdot y \]
      2. metadata-eval99.3%

        \[\leadsto 1 + \left(-0.3333333333333333 \cdot \frac{\color{blue}{1}}{\sqrt{x}}\right) \cdot y \]
      3. div-inv99.3%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
      4. add-sqr-sqrt0.0%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{\frac{-0.3333333333333333}{\sqrt{x}}}\right)} \cdot y \]
      5. sqrt-unprod55.2%

        \[\leadsto 1 + \color{blue}{\sqrt{\frac{-0.3333333333333333}{\sqrt{x}} \cdot \frac{-0.3333333333333333}{\sqrt{x}}}} \cdot y \]
      6. sqr-neg55.2%

        \[\leadsto 1 + \sqrt{\color{blue}{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right) \cdot \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)}} \cdot y \]
      7. sqrt-unprod55.2%

        \[\leadsto 1 + \color{blue}{\left(\sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}}\right)} \cdot y \]
      8. add-sqr-sqrt55.2%

        \[\leadsto 1 + \color{blue}{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
      9. neg-sub055.2%

        \[\leadsto 1 + \color{blue}{\left(0 - \frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
      10. sub-neg55.2%

        \[\leadsto 1 + \color{blue}{\left(0 + \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)\right)} \cdot y \]
      11. add-sqr-sqrt55.2%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{-\frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      12. sqrt-unprod55.2%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\left(-\frac{-0.3333333333333333}{\sqrt{x}}\right) \cdot \left(-\frac{-0.3333333333333333}{\sqrt{x}}\right)}}\right) \cdot y \]
      13. sqr-neg55.2%

        \[\leadsto 1 + \left(0 + \sqrt{\color{blue}{\frac{-0.3333333333333333}{\sqrt{x}} \cdot \frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      14. sqrt-unprod0.0%

        \[\leadsto 1 + \left(0 + \color{blue}{\sqrt{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot \sqrt{\frac{-0.3333333333333333}{\sqrt{x}}}}\right) \cdot y \]
      15. add-sqr-sqrt99.3%

        \[\leadsto 1 + \left(0 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}}\right) \cdot y \]
    9. Applied egg-rr99.3%

      \[\leadsto 1 + \color{blue}{\left(0 + \frac{-0.3333333333333333}{\sqrt{x}}\right)} \cdot y \]
    10. Step-by-step derivation
      1. +-lft-identity99.3%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
    11. Simplified99.3%

      \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{\sqrt{x}}} \cdot y \]
    12. Step-by-step derivation
      1. associate-*l/99.3%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333 \cdot y}{\sqrt{x}}} \]
      2. *-un-lft-identity99.3%

        \[\leadsto 1 + \frac{-0.3333333333333333 \cdot y}{\color{blue}{1 \cdot \sqrt{x}}} \]
      3. times-frac99.2%

        \[\leadsto 1 + \color{blue}{\frac{-0.3333333333333333}{1} \cdot \frac{y}{\sqrt{x}}} \]
      4. metadata-eval99.2%

        \[\leadsto 1 + \color{blue}{-0.3333333333333333} \cdot \frac{y}{\sqrt{x}} \]
      5. metadata-eval99.2%

        \[\leadsto 1 + \color{blue}{\frac{1}{-3}} \cdot \frac{y}{\sqrt{x}} \]
      6. times-frac99.3%

        \[\leadsto 1 + \color{blue}{\frac{1 \cdot y}{-3 \cdot \sqrt{x}}} \]
      7. *-un-lft-identity99.3%

        \[\leadsto 1 + \frac{\color{blue}{y}}{-3 \cdot \sqrt{x}} \]
      8. associate-/r*99.3%

        \[\leadsto 1 + \color{blue}{\frac{\frac{y}{-3}}{\sqrt{x}}} \]
    13. Applied egg-rr99.3%

      \[\leadsto 1 + \color{blue}{\frac{\frac{y}{-3}}{\sqrt{x}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification98.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq 0.11:\\ \;\;\;\;\frac{-0.1111111111111111}{x} + y \cdot \frac{-0.3333333333333333}{\sqrt{x}}\\ \mathbf{else}:\\ \;\;\;\;1 + \frac{\frac{y}{-3}}{\sqrt{x}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 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-frac99.3%

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

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

    \[\leadsto \color{blue}{\left(1 - \frac{0.1111111111111111}{x}\right) + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}} \]
  4. Add Preprocessing
  5. Final simplification99.3%

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

Alternative 10: 99.6% accurate, 1.0× speedup?

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

\\
\left(1 - \frac{0.1111111111111111}{x}\right) + \frac{y \cdot -0.3333333333333333}{\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-frac99.3%

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

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

    \[\leadsto \color{blue}{\left(1 - \frac{0.1111111111111111}{x}\right) + -0.3333333333333333 \cdot \frac{y}{\sqrt{x}}} \]
  4. Add Preprocessing
  5. Step-by-step derivation
    1. associate-*r/99.6%

      \[\leadsto \left(1 - \frac{0.1111111111111111}{x}\right) + \color{blue}{\frac{-0.3333333333333333 \cdot y}{\sqrt{x}}} \]
  6. Applied egg-rr99.6%

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

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

Alternative 11: 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 12: 64.9% accurate, 3.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := 1 + \frac{0.1111111111111111}{x}\\ t_1 := \frac{1}{t_0}\\ t_2 := \frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}\\ \mathbf{if}\;y \leq -8 \cdot 10^{+17}:\\ \;\;\;\;t_1 + t_2 \cdot \frac{-1}{1 + \frac{-0.1111111111111111}{x}}\\ \mathbf{elif}\;y \leq 3.4 \cdot 10^{+149}:\\ \;\;\;\;1 + \frac{-1}{x \cdot 9}\\ \mathbf{else}:\\ \;\;\;\;t_1 - \frac{t_2}{t_0}\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (let* ((t_0 (+ 1.0 (/ 0.1111111111111111 x)))
        (t_1 (/ 1.0 t_0))
        (t_2 (* (/ -0.1111111111111111 x) (/ -0.1111111111111111 x))))
   (if (<= y -8e+17)
     (+ t_1 (* t_2 (/ -1.0 (+ 1.0 (/ -0.1111111111111111 x)))))
     (if (<= y 3.4e+149) (+ 1.0 (/ -1.0 (* x 9.0))) (- t_1 (/ t_2 t_0))))))
double code(double x, double y) {
	double t_0 = 1.0 + (0.1111111111111111 / x);
	double t_1 = 1.0 / t_0;
	double t_2 = (-0.1111111111111111 / x) * (-0.1111111111111111 / x);
	double tmp;
	if (y <= -8e+17) {
		tmp = t_1 + (t_2 * (-1.0 / (1.0 + (-0.1111111111111111 / x))));
	} else if (y <= 3.4e+149) {
		tmp = 1.0 + (-1.0 / (x * 9.0));
	} else {
		tmp = t_1 - (t_2 / t_0);
	}
	return tmp;
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: t_0
    real(8) :: t_1
    real(8) :: t_2
    real(8) :: tmp
    t_0 = 1.0d0 + (0.1111111111111111d0 / x)
    t_1 = 1.0d0 / t_0
    t_2 = ((-0.1111111111111111d0) / x) * ((-0.1111111111111111d0) / x)
    if (y <= (-8d+17)) then
        tmp = t_1 + (t_2 * ((-1.0d0) / (1.0d0 + ((-0.1111111111111111d0) / x))))
    else if (y <= 3.4d+149) then
        tmp = 1.0d0 + ((-1.0d0) / (x * 9.0d0))
    else
        tmp = t_1 - (t_2 / t_0)
    end if
    code = tmp
end function
public static double code(double x, double y) {
	double t_0 = 1.0 + (0.1111111111111111 / x);
	double t_1 = 1.0 / t_0;
	double t_2 = (-0.1111111111111111 / x) * (-0.1111111111111111 / x);
	double tmp;
	if (y <= -8e+17) {
		tmp = t_1 + (t_2 * (-1.0 / (1.0 + (-0.1111111111111111 / x))));
	} else if (y <= 3.4e+149) {
		tmp = 1.0 + (-1.0 / (x * 9.0));
	} else {
		tmp = t_1 - (t_2 / t_0);
	}
	return tmp;
}
def code(x, y):
	t_0 = 1.0 + (0.1111111111111111 / x)
	t_1 = 1.0 / t_0
	t_2 = (-0.1111111111111111 / x) * (-0.1111111111111111 / x)
	tmp = 0
	if y <= -8e+17:
		tmp = t_1 + (t_2 * (-1.0 / (1.0 + (-0.1111111111111111 / x))))
	elif y <= 3.4e+149:
		tmp = 1.0 + (-1.0 / (x * 9.0))
	else:
		tmp = t_1 - (t_2 / t_0)
	return tmp
function code(x, y)
	t_0 = Float64(1.0 + Float64(0.1111111111111111 / x))
	t_1 = Float64(1.0 / t_0)
	t_2 = Float64(Float64(-0.1111111111111111 / x) * Float64(-0.1111111111111111 / x))
	tmp = 0.0
	if (y <= -8e+17)
		tmp = Float64(t_1 + Float64(t_2 * Float64(-1.0 / Float64(1.0 + Float64(-0.1111111111111111 / x)))));
	elseif (y <= 3.4e+149)
		tmp = Float64(1.0 + Float64(-1.0 / Float64(x * 9.0)));
	else
		tmp = Float64(t_1 - Float64(t_2 / t_0));
	end
	return tmp
end
function tmp_2 = code(x, y)
	t_0 = 1.0 + (0.1111111111111111 / x);
	t_1 = 1.0 / t_0;
	t_2 = (-0.1111111111111111 / x) * (-0.1111111111111111 / x);
	tmp = 0.0;
	if (y <= -8e+17)
		tmp = t_1 + (t_2 * (-1.0 / (1.0 + (-0.1111111111111111 / x))));
	elseif (y <= 3.4e+149)
		tmp = 1.0 + (-1.0 / (x * 9.0));
	else
		tmp = t_1 - (t_2 / t_0);
	end
	tmp_2 = tmp;
end
code[x_, y_] := Block[{t$95$0 = N[(1.0 + N[(0.1111111111111111 / x), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(1.0 / t$95$0), $MachinePrecision]}, Block[{t$95$2 = N[(N[(-0.1111111111111111 / x), $MachinePrecision] * N[(-0.1111111111111111 / x), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[y, -8e+17], N[(t$95$1 + N[(t$95$2 * N[(-1.0 / N[(1.0 + N[(-0.1111111111111111 / x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 3.4e+149], N[(1.0 + N[(-1.0 / N[(x * 9.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(t$95$1 - N[(t$95$2 / t$95$0), $MachinePrecision]), $MachinePrecision]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := 1 + \frac{0.1111111111111111}{x}\\
t_1 := \frac{1}{t_0}\\
t_2 := \frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}\\
\mathbf{if}\;y \leq -8 \cdot 10^{+17}:\\
\;\;\;\;t_1 + t_2 \cdot \frac{-1}{1 + \frac{-0.1111111111111111}{x}}\\

\mathbf{elif}\;y \leq 3.4 \cdot 10^{+149}:\\
\;\;\;\;1 + \frac{-1}{x \cdot 9}\\

\mathbf{else}:\\
\;\;\;\;t_1 - \frac{t_2}{t_0}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if y < -8e17

    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. sub-neg99.5%

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

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

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

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

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

        \[\leadsto \color{blue}{1 + \left(\frac{-y}{3 \cdot \sqrt{x}} - \frac{1}{x \cdot 9}\right)} \]
      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-*r/99.4%

        \[\leadsto 1 + \left(\color{blue}{y \cdot \frac{-1}{3 \cdot \sqrt{x}}} - \frac{1}{x \cdot 9}\right) \]
      10. fma-neg99.4%

        \[\leadsto 1 + \color{blue}{\mathsf{fma}\left(y, \frac{-1}{3 \cdot \sqrt{x}}, -\frac{1}{x \cdot 9}\right)} \]
      11. associate-/r*99.4%

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

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
      13. *-commutative99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
      14. associate-/r*99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      15. distribute-neg-frac99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \color{blue}{\frac{-\frac{1}{9}}{x}}\right) \]
      16. metadata-eval99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-\color{blue}{0.1111111111111111}}{x}\right) \]
      17. metadata-eval99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{\color{blue}{-0.1111111111111111}}{x}\right) \]
    3. Simplified99.4%

      \[\leadsto \color{blue}{1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-0.1111111111111111}{x}\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in y around 0 4.8%

      \[\leadsto \color{blue}{1 - 0.1111111111111111 \cdot \frac{1}{x}} \]
    6. Step-by-step derivation
      1. cancel-sign-sub-inv4.8%

        \[\leadsto \color{blue}{1 + \left(-0.1111111111111111\right) \cdot \frac{1}{x}} \]
      2. metadata-eval4.8%

        \[\leadsto 1 + \color{blue}{-0.1111111111111111} \cdot \frac{1}{x} \]
      3. associate-*r/4.8%

        \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111 \cdot 1}{x}} \]
      4. metadata-eval4.8%

        \[\leadsto 1 + \frac{\color{blue}{-0.1111111111111111}}{x} \]
      5. +-commutative4.8%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    7. Simplified4.8%

      \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    8. Step-by-step derivation
      1. add-cube-cbrt4.8%

        \[\leadsto \color{blue}{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}} \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}\right) \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}} + 1 \]
      2. pow34.8%

        \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    9. Applied egg-rr4.8%

      \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    10. Step-by-step derivation
      1. rem-cube-cbrt4.8%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x}} + 1 \]
      2. add-sqr-sqrt0.0%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}} + 1 \]
      3. sqrt-unprod16.6%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}} + 1 \]
      4. frac-times16.6%

        \[\leadsto \sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}} + 1 \]
      5. metadata-eval16.6%

        \[\leadsto \sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}} + 1 \]
      6. metadata-eval16.6%

        \[\leadsto \sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}} + 1 \]
      7. frac-times16.6%

        \[\leadsto \sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}} + 1 \]
      8. sqrt-unprod7.6%

        \[\leadsto \color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}} + 1 \]
      9. add-sqr-sqrt7.6%

        \[\leadsto \color{blue}{\frac{0.1111111111111111}{x}} + 1 \]
      10. +-commutative7.6%

        \[\leadsto \color{blue}{1 + \frac{0.1111111111111111}{x}} \]
      11. div-inv7.6%

        \[\leadsto 1 + \color{blue}{0.1111111111111111 \cdot \frac{1}{x}} \]
      12. metadata-eval7.6%

        \[\leadsto 1 + \color{blue}{\left(--0.1111111111111111\right)} \cdot \frac{1}{x} \]
      13. cancel-sign-sub-inv7.6%

        \[\leadsto \color{blue}{1 - -0.1111111111111111 \cdot \frac{1}{x}} \]
      14. div-inv7.6%

        \[\leadsto 1 - \color{blue}{\frac{-0.1111111111111111}{x}} \]
      15. flip--16.6%

        \[\leadsto \color{blue}{\frac{1 \cdot 1 - \frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}{1 + \frac{-0.1111111111111111}{x}}} \]
      16. metadata-eval16.6%

        \[\leadsto \frac{\color{blue}{1} - \frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}{1 + \frac{-0.1111111111111111}{x}} \]
      17. rem-cube-cbrt16.6%

        \[\leadsto \frac{1 - \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} \cdot \frac{-0.1111111111111111}{x}}{1 + \frac{-0.1111111111111111}{x}} \]
      18. rem-cube-cbrt16.6%

        \[\leadsto \frac{1 - {\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3} \cdot \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}}}{1 + \frac{-0.1111111111111111}{x}} \]
      19. +-commutative16.6%

        \[\leadsto \frac{1 - {\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3} \cdot {\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}}{\color{blue}{\frac{-0.1111111111111111}{x} + 1}} \]
      20. div-sub16.6%

        \[\leadsto \color{blue}{\frac{1}{\frac{-0.1111111111111111}{x} + 1} - \frac{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3} \cdot {\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}}{\frac{-0.1111111111111111}{x} + 1}} \]
    11. Applied egg-rr4.8%

      \[\leadsto \color{blue}{\frac{1}{\frac{0.1111111111111111}{x} + 1} - \frac{\frac{0.012345679012345678}{{x}^{2}}}{\frac{0.1111111111111111}{x} + 1}} \]
    12. Step-by-step derivation
      1. div-inv4.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \color{blue}{\frac{0.012345679012345678}{{x}^{2}} \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1}} \]
      2. metadata-eval4.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{{x}^{2}} \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1} \]
      3. unpow24.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \frac{0.1111111111111111 \cdot 0.1111111111111111}{\color{blue}{x \cdot x}} \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1} \]
      4. frac-times4.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \color{blue}{\left(\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}\right)} \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1} \]
      5. metadata-eval4.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \left(\frac{\color{blue}{1 \cdot 0.1111111111111111}}{x} \cdot \frac{0.1111111111111111}{x}\right) \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1} \]
      6. associate-*l/4.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \left(\color{blue}{\left(\frac{1}{x} \cdot 0.1111111111111111\right)} \cdot \frac{0.1111111111111111}{x}\right) \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1} \]
      7. metadata-eval4.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \left(\left(\frac{1}{x} \cdot 0.1111111111111111\right) \cdot \frac{\color{blue}{1 \cdot 0.1111111111111111}}{x}\right) \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1} \]
      8. associate-*l/4.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \left(\left(\frac{1}{x} \cdot 0.1111111111111111\right) \cdot \color{blue}{\left(\frac{1}{x} \cdot 0.1111111111111111\right)}\right) \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1} \]
      9. associate-*l*4.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \color{blue}{\left(\frac{1}{x} \cdot 0.1111111111111111\right) \cdot \left(\left(\frac{1}{x} \cdot 0.1111111111111111\right) \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1}\right)} \]
      10. associate-*l/4.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \color{blue}{\frac{1 \cdot 0.1111111111111111}{x}} \cdot \left(\left(\frac{1}{x} \cdot 0.1111111111111111\right) \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1}\right) \]
      11. metadata-eval4.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \frac{\color{blue}{0.1111111111111111}}{x} \cdot \left(\left(\frac{1}{x} \cdot 0.1111111111111111\right) \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1}\right) \]
      12. metadata-eval4.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \frac{\color{blue}{\sqrt{0.012345679012345678}}}{x} \cdot \left(\left(\frac{1}{x} \cdot 0.1111111111111111\right) \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1}\right) \]
      13. add-sqr-sqrt4.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \frac{\sqrt{0.012345679012345678}}{\color{blue}{\sqrt{x} \cdot \sqrt{x}}} \cdot \left(\left(\frac{1}{x} \cdot 0.1111111111111111\right) \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1}\right) \]
      14. sqrt-prod4.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \frac{\sqrt{0.012345679012345678}}{\color{blue}{\sqrt{x \cdot x}}} \cdot \left(\left(\frac{1}{x} \cdot 0.1111111111111111\right) \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1}\right) \]
      15. unpow24.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \frac{\sqrt{0.012345679012345678}}{\sqrt{\color{blue}{{x}^{2}}}} \cdot \left(\left(\frac{1}{x} \cdot 0.1111111111111111\right) \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1}\right) \]
      16. sqrt-div4.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \color{blue}{\sqrt{\frac{0.012345679012345678}{{x}^{2}}}} \cdot \left(\left(\frac{1}{x} \cdot 0.1111111111111111\right) \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1}\right) \]
      17. metadata-eval4.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \sqrt{\frac{\color{blue}{-0.1111111111111111 \cdot -0.1111111111111111}}{{x}^{2}}} \cdot \left(\left(\frac{1}{x} \cdot 0.1111111111111111\right) \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1}\right) \]
      18. unpow24.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \sqrt{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{\color{blue}{x \cdot x}}} \cdot \left(\left(\frac{1}{x} \cdot 0.1111111111111111\right) \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1}\right) \]
      19. frac-times4.8%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \sqrt{\color{blue}{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}} \cdot \left(\left(\frac{1}{x} \cdot 0.1111111111111111\right) \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1}\right) \]
      20. sqrt-unprod0.0%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \color{blue}{\left(\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}\right)} \cdot \left(\left(\frac{1}{x} \cdot 0.1111111111111111\right) \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1}\right) \]
      21. add-sqr-sqrt7.6%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \color{blue}{\frac{-0.1111111111111111}{x}} \cdot \left(\left(\frac{1}{x} \cdot 0.1111111111111111\right) \cdot \frac{1}{\frac{0.1111111111111111}{x} + 1}\right) \]
    13. Applied egg-rr7.6%

      \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \color{blue}{\frac{-0.1111111111111111}{x} \cdot \left(\frac{-0.1111111111111111}{x} \cdot \frac{1}{1 + \frac{-0.1111111111111111}{x}}\right)} \]
    14. Step-by-step derivation
      1. associate-*r*16.6%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \color{blue}{\left(\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}\right) \cdot \frac{1}{1 + \frac{-0.1111111111111111}{x}}} \]
      2. +-commutative16.6%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \left(\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}\right) \cdot \frac{1}{\color{blue}{\frac{-0.1111111111111111}{x} + 1}} \]
    15. Simplified16.6%

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

    if -8e17 < y < 3.3999999999999998e149

    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. sub-neg99.8%

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

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

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

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

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

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

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

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

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

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      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 89.9%

      \[\leadsto \color{blue}{1 - 0.1111111111111111 \cdot \frac{1}{x}} \]
    6. Step-by-step derivation
      1. cancel-sign-sub-inv89.9%

        \[\leadsto \color{blue}{1 + \left(-0.1111111111111111\right) \cdot \frac{1}{x}} \]
      2. metadata-eval89.9%

        \[\leadsto 1 + \color{blue}{-0.1111111111111111} \cdot \frac{1}{x} \]
      3. associate-*r/89.9%

        \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111 \cdot 1}{x}} \]
      4. metadata-eval89.9%

        \[\leadsto 1 + \frac{\color{blue}{-0.1111111111111111}}{x} \]
      5. +-commutative89.9%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    7. Simplified89.9%

      \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    8. Step-by-step derivation
      1. add-cube-cbrt89.2%

        \[\leadsto \color{blue}{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}} \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}\right) \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}} + 1 \]
      2. pow389.2%

        \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    9. Applied egg-rr89.2%

      \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    10. Step-by-step derivation
      1. rem-cube-cbrt89.9%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x}} + 1 \]
      2. add-sqr-sqrt0.0%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}} + 1 \]
      3. sqrt-unprod41.5%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}} + 1 \]
      4. frac-times41.5%

        \[\leadsto \sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}} + 1 \]
      5. metadata-eval41.5%

        \[\leadsto \sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}} + 1 \]
      6. metadata-eval41.5%

        \[\leadsto \sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}} + 1 \]
      7. frac-times41.5%

        \[\leadsto \sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}} + 1 \]
      8. sqrt-unprod41.6%

        \[\leadsto \color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}} + 1 \]
      9. add-sqr-sqrt41.6%

        \[\leadsto \color{blue}{\frac{0.1111111111111111}{x}} + 1 \]
      10. metadata-eval41.6%

        \[\leadsto \frac{\color{blue}{--0.1111111111111111}}{x} + 1 \]
      11. distribute-neg-frac41.6%

        \[\leadsto \color{blue}{\left(-\frac{-0.1111111111111111}{x}\right)} + 1 \]
      12. clear-num41.6%

        \[\leadsto \left(-\color{blue}{\frac{1}{\frac{x}{-0.1111111111111111}}}\right) + 1 \]
      13. distribute-neg-frac41.6%

        \[\leadsto \color{blue}{\frac{-1}{\frac{x}{-0.1111111111111111}}} + 1 \]
      14. metadata-eval41.6%

        \[\leadsto \frac{\color{blue}{-1}}{\frac{x}{-0.1111111111111111}} + 1 \]
      15. clear-num41.6%

        \[\leadsto \frac{-1}{\color{blue}{\frac{1}{\frac{-0.1111111111111111}{x}}}} + 1 \]
      16. add-sqr-sqrt0.0%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}}}} + 1 \]
      17. sqrt-unprod63.4%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}}}} + 1 \]
      18. frac-times63.4%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}}}} + 1 \]
      19. metadata-eval63.4%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}}}} + 1 \]
      20. metadata-eval63.4%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}}}} + 1 \]
      21. frac-times63.4%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}}}} + 1 \]
      22. sqrt-unprod89.7%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}}}} + 1 \]
      23. add-sqr-sqrt89.9%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\frac{0.1111111111111111}{x}}}} + 1 \]
      24. clear-num89.9%

        \[\leadsto \frac{-1}{\color{blue}{\frac{x}{0.1111111111111111}}} + 1 \]
      25. div-inv90.1%

        \[\leadsto \frac{-1}{\color{blue}{x \cdot \frac{1}{0.1111111111111111}}} + 1 \]
      26. metadata-eval90.1%

        \[\leadsto \frac{-1}{x \cdot \color{blue}{9}} + 1 \]
    11. Applied egg-rr90.1%

      \[\leadsto \color{blue}{\frac{-1}{x \cdot 9}} + 1 \]

    if 3.3999999999999998e149 < 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. sub-neg99.7%

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

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

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

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

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

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

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

        \[\leadsto 1 + \color{blue}{\mathsf{fma}\left(y, \frac{-1}{3 \cdot \sqrt{x}}, -\frac{1}{x \cdot 9}\right)} \]
      11. associate-/r*99.4%

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

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
      13. *-commutative99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
      14. associate-/r*99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      15. distribute-neg-frac99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \color{blue}{\frac{-\frac{1}{9}}{x}}\right) \]
      16. metadata-eval99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-\color{blue}{0.1111111111111111}}{x}\right) \]
      17. metadata-eval99.4%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{\color{blue}{-0.1111111111111111}}{x}\right) \]
    3. Simplified99.4%

      \[\leadsto \color{blue}{1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, \frac{-0.1111111111111111}{x}\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in y around 0 3.6%

      \[\leadsto \color{blue}{1 - 0.1111111111111111 \cdot \frac{1}{x}} \]
    6. Step-by-step derivation
      1. cancel-sign-sub-inv3.6%

        \[\leadsto \color{blue}{1 + \left(-0.1111111111111111\right) \cdot \frac{1}{x}} \]
      2. metadata-eval3.6%

        \[\leadsto 1 + \color{blue}{-0.1111111111111111} \cdot \frac{1}{x} \]
      3. associate-*r/3.6%

        \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111 \cdot 1}{x}} \]
      4. metadata-eval3.6%

        \[\leadsto 1 + \frac{\color{blue}{-0.1111111111111111}}{x} \]
      5. +-commutative3.6%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    7. Simplified3.6%

      \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    8. Step-by-step derivation
      1. add-cube-cbrt3.6%

        \[\leadsto \color{blue}{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}} \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}\right) \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}} + 1 \]
      2. pow33.6%

        \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    9. Applied egg-rr3.6%

      \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    10. Step-by-step derivation
      1. rem-cube-cbrt3.6%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x}} + 1 \]
      2. add-sqr-sqrt0.0%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}} + 1 \]
      3. sqrt-unprod0.6%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}} + 1 \]
      4. frac-times0.6%

        \[\leadsto \sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}} + 1 \]
      5. metadata-eval0.6%

        \[\leadsto \sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}} + 1 \]
      6. metadata-eval0.6%

        \[\leadsto \sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}} + 1 \]
      7. frac-times0.6%

        \[\leadsto \sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}} + 1 \]
      8. sqrt-unprod0.7%

        \[\leadsto \color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}} + 1 \]
      9. add-sqr-sqrt0.7%

        \[\leadsto \color{blue}{\frac{0.1111111111111111}{x}} + 1 \]
      10. +-commutative0.7%

        \[\leadsto \color{blue}{1 + \frac{0.1111111111111111}{x}} \]
      11. div-inv0.7%

        \[\leadsto 1 + \color{blue}{0.1111111111111111 \cdot \frac{1}{x}} \]
      12. metadata-eval0.7%

        \[\leadsto 1 + \color{blue}{\left(--0.1111111111111111\right)} \cdot \frac{1}{x} \]
      13. cancel-sign-sub-inv0.7%

        \[\leadsto \color{blue}{1 - -0.1111111111111111 \cdot \frac{1}{x}} \]
      14. div-inv0.7%

        \[\leadsto 1 - \color{blue}{\frac{-0.1111111111111111}{x}} \]
      15. flip--0.6%

        \[\leadsto \color{blue}{\frac{1 \cdot 1 - \frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}{1 + \frac{-0.1111111111111111}{x}}} \]
      16. metadata-eval0.6%

        \[\leadsto \frac{\color{blue}{1} - \frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}{1 + \frac{-0.1111111111111111}{x}} \]
      17. rem-cube-cbrt0.6%

        \[\leadsto \frac{1 - \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} \cdot \frac{-0.1111111111111111}{x}}{1 + \frac{-0.1111111111111111}{x}} \]
      18. rem-cube-cbrt0.6%

        \[\leadsto \frac{1 - {\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3} \cdot \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}}}{1 + \frac{-0.1111111111111111}{x}} \]
      19. +-commutative0.6%

        \[\leadsto \frac{1 - {\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3} \cdot {\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}}{\color{blue}{\frac{-0.1111111111111111}{x} + 1}} \]
      20. div-sub0.6%

        \[\leadsto \color{blue}{\frac{1}{\frac{-0.1111111111111111}{x} + 1} - \frac{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3} \cdot {\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}}{\frac{-0.1111111111111111}{x} + 1}} \]
    11. Applied egg-rr19.9%

      \[\leadsto \color{blue}{\frac{1}{\frac{0.1111111111111111}{x} + 1} - \frac{\frac{0.012345679012345678}{{x}^{2}}}{\frac{0.1111111111111111}{x} + 1}} \]
    12. Step-by-step derivation
      1. metadata-eval19.9%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \frac{\frac{\color{blue}{-0.1111111111111111 \cdot -0.1111111111111111}}{{x}^{2}}}{\frac{0.1111111111111111}{x} + 1} \]
      2. unpow219.9%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \frac{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{\color{blue}{x \cdot x}}}{\frac{0.1111111111111111}{x} + 1} \]
      3. frac-times19.9%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \frac{\color{blue}{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}}{\frac{0.1111111111111111}{x} + 1} \]
    13. Applied egg-rr19.9%

      \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \frac{\color{blue}{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}}{\frac{0.1111111111111111}{x} + 1} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification64.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -8 \cdot 10^{+17}:\\ \;\;\;\;\frac{1}{1 + \frac{0.1111111111111111}{x}} + \left(\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}\right) \cdot \frac{-1}{1 + \frac{-0.1111111111111111}{x}}\\ \mathbf{elif}\;y \leq 3.4 \cdot 10^{+149}:\\ \;\;\;\;1 + \frac{-1}{x \cdot 9}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{1 + \frac{0.1111111111111111}{x}} - \frac{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}{1 + \frac{0.1111111111111111}{x}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 13: 64.0% accurate, 4.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := 1 + \frac{0.1111111111111111}{x}\\ \mathbf{if}\;y \leq 3.9 \cdot 10^{+146}:\\ \;\;\;\;1 + \frac{-1}{x \cdot 9}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{t_0} - \frac{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}{t_0}\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (let* ((t_0 (+ 1.0 (/ 0.1111111111111111 x))))
   (if (<= y 3.9e+146)
     (+ 1.0 (/ -1.0 (* x 9.0)))
     (-
      (/ 1.0 t_0)
      (/ (* (/ -0.1111111111111111 x) (/ -0.1111111111111111 x)) t_0)))))
double code(double x, double y) {
	double t_0 = 1.0 + (0.1111111111111111 / x);
	double tmp;
	if (y <= 3.9e+146) {
		tmp = 1.0 + (-1.0 / (x * 9.0));
	} else {
		tmp = (1.0 / t_0) - (((-0.1111111111111111 / x) * (-0.1111111111111111 / x)) / t_0);
	}
	return tmp;
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: t_0
    real(8) :: tmp
    t_0 = 1.0d0 + (0.1111111111111111d0 / x)
    if (y <= 3.9d+146) then
        tmp = 1.0d0 + ((-1.0d0) / (x * 9.0d0))
    else
        tmp = (1.0d0 / t_0) - ((((-0.1111111111111111d0) / x) * ((-0.1111111111111111d0) / x)) / t_0)
    end if
    code = tmp
end function
public static double code(double x, double y) {
	double t_0 = 1.0 + (0.1111111111111111 / x);
	double tmp;
	if (y <= 3.9e+146) {
		tmp = 1.0 + (-1.0 / (x * 9.0));
	} else {
		tmp = (1.0 / t_0) - (((-0.1111111111111111 / x) * (-0.1111111111111111 / x)) / t_0);
	}
	return tmp;
}
def code(x, y):
	t_0 = 1.0 + (0.1111111111111111 / x)
	tmp = 0
	if y <= 3.9e+146:
		tmp = 1.0 + (-1.0 / (x * 9.0))
	else:
		tmp = (1.0 / t_0) - (((-0.1111111111111111 / x) * (-0.1111111111111111 / x)) / t_0)
	return tmp
function code(x, y)
	t_0 = Float64(1.0 + Float64(0.1111111111111111 / x))
	tmp = 0.0
	if (y <= 3.9e+146)
		tmp = Float64(1.0 + Float64(-1.0 / Float64(x * 9.0)));
	else
		tmp = Float64(Float64(1.0 / t_0) - Float64(Float64(Float64(-0.1111111111111111 / x) * Float64(-0.1111111111111111 / x)) / t_0));
	end
	return tmp
end
function tmp_2 = code(x, y)
	t_0 = 1.0 + (0.1111111111111111 / x);
	tmp = 0.0;
	if (y <= 3.9e+146)
		tmp = 1.0 + (-1.0 / (x * 9.0));
	else
		tmp = (1.0 / t_0) - (((-0.1111111111111111 / x) * (-0.1111111111111111 / x)) / t_0);
	end
	tmp_2 = tmp;
end
code[x_, y_] := Block[{t$95$0 = N[(1.0 + N[(0.1111111111111111 / x), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[y, 3.9e+146], N[(1.0 + N[(-1.0 / N[(x * 9.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(1.0 / t$95$0), $MachinePrecision] - N[(N[(N[(-0.1111111111111111 / x), $MachinePrecision] * N[(-0.1111111111111111 / x), $MachinePrecision]), $MachinePrecision] / t$95$0), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := 1 + \frac{0.1111111111111111}{x}\\
\mathbf{if}\;y \leq 3.9 \cdot 10^{+146}:\\
\;\;\;\;1 + \frac{-1}{x \cdot 9}\\

\mathbf{else}:\\
\;\;\;\;\frac{1}{t_0} - \frac{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}{t_0}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if y < 3.9e146

    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. distribute-frac-neg99.7%

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

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

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

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

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

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

        \[\leadsto 1 + \color{blue}{\mathsf{fma}\left(y, \frac{-1}{3 \cdot \sqrt{x}}, -\frac{1}{x \cdot 9}\right)} \]
      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 70.5%

      \[\leadsto \color{blue}{1 - 0.1111111111111111 \cdot \frac{1}{x}} \]
    6. Step-by-step derivation
      1. cancel-sign-sub-inv70.5%

        \[\leadsto \color{blue}{1 + \left(-0.1111111111111111\right) \cdot \frac{1}{x}} \]
      2. metadata-eval70.5%

        \[\leadsto 1 + \color{blue}{-0.1111111111111111} \cdot \frac{1}{x} \]
      3. associate-*r/70.5%

        \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111 \cdot 1}{x}} \]
      4. metadata-eval70.5%

        \[\leadsto 1 + \frac{\color{blue}{-0.1111111111111111}}{x} \]
      5. +-commutative70.5%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    7. Simplified70.5%

      \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    8. Step-by-step derivation
      1. add-cube-cbrt69.9%

        \[\leadsto \color{blue}{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}} \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}\right) \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}} + 1 \]
      2. pow369.9%

        \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    9. Applied egg-rr69.9%

      \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    10. Step-by-step derivation
      1. rem-cube-cbrt70.5%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x}} + 1 \]
      2. add-sqr-sqrt0.0%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}} + 1 \]
      3. sqrt-unprod35.9%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}} + 1 \]
      4. frac-times35.9%

        \[\leadsto \sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}} + 1 \]
      5. metadata-eval35.9%

        \[\leadsto \sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}} + 1 \]
      6. metadata-eval35.9%

        \[\leadsto \sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}} + 1 \]
      7. frac-times35.9%

        \[\leadsto \sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}} + 1 \]
      8. sqrt-unprod33.8%

        \[\leadsto \color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}} + 1 \]
      9. add-sqr-sqrt33.8%

        \[\leadsto \color{blue}{\frac{0.1111111111111111}{x}} + 1 \]
      10. metadata-eval33.8%

        \[\leadsto \frac{\color{blue}{--0.1111111111111111}}{x} + 1 \]
      11. distribute-neg-frac33.8%

        \[\leadsto \color{blue}{\left(-\frac{-0.1111111111111111}{x}\right)} + 1 \]
      12. clear-num33.8%

        \[\leadsto \left(-\color{blue}{\frac{1}{\frac{x}{-0.1111111111111111}}}\right) + 1 \]
      13. distribute-neg-frac33.8%

        \[\leadsto \color{blue}{\frac{-1}{\frac{x}{-0.1111111111111111}}} + 1 \]
      14. metadata-eval33.8%

        \[\leadsto \frac{\color{blue}{-1}}{\frac{x}{-0.1111111111111111}} + 1 \]
      15. clear-num33.8%

        \[\leadsto \frac{-1}{\color{blue}{\frac{1}{\frac{-0.1111111111111111}{x}}}} + 1 \]
      16. add-sqr-sqrt0.0%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}}}} + 1 \]
      17. sqrt-unprod50.0%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}}}} + 1 \]
      18. frac-times50.0%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}}}} + 1 \]
      19. metadata-eval50.0%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}}}} + 1 \]
      20. metadata-eval50.0%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}}}} + 1 \]
      21. frac-times50.0%

        \[\leadsto \frac{-1}{\frac{1}{\sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}}}} + 1 \]
      22. sqrt-unprod70.3%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}}}} + 1 \]
      23. add-sqr-sqrt70.4%

        \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\frac{0.1111111111111111}{x}}}} + 1 \]
      24. clear-num70.4%

        \[\leadsto \frac{-1}{\color{blue}{\frac{x}{0.1111111111111111}}} + 1 \]
      25. div-inv70.6%

        \[\leadsto \frac{-1}{\color{blue}{x \cdot \frac{1}{0.1111111111111111}}} + 1 \]
      26. metadata-eval70.6%

        \[\leadsto \frac{-1}{x \cdot \color{blue}{9}} + 1 \]
    11. Applied egg-rr70.6%

      \[\leadsto \color{blue}{\frac{-1}{x \cdot 9}} + 1 \]

    if 3.9e146 < 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. sub-neg99.7%

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

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

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

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

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

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

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

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

        \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
      12. metadata-eval99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{\color{blue}{-0.3333333333333333}}{\sqrt{x}}, -\frac{1}{x \cdot 9}\right) \]
      13. *-commutative99.5%

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\frac{1}{\color{blue}{9 \cdot x}}\right) \]
      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 0 3.6%

      \[\leadsto \color{blue}{1 - 0.1111111111111111 \cdot \frac{1}{x}} \]
    6. Step-by-step derivation
      1. cancel-sign-sub-inv3.6%

        \[\leadsto \color{blue}{1 + \left(-0.1111111111111111\right) \cdot \frac{1}{x}} \]
      2. metadata-eval3.6%

        \[\leadsto 1 + \color{blue}{-0.1111111111111111} \cdot \frac{1}{x} \]
      3. associate-*r/3.6%

        \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111 \cdot 1}{x}} \]
      4. metadata-eval3.6%

        \[\leadsto 1 + \frac{\color{blue}{-0.1111111111111111}}{x} \]
      5. +-commutative3.6%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    7. Simplified3.6%

      \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
    8. Step-by-step derivation
      1. add-cube-cbrt3.6%

        \[\leadsto \color{blue}{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}} \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}\right) \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}} + 1 \]
      2. pow33.6%

        \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    9. Applied egg-rr3.6%

      \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
    10. Step-by-step derivation
      1. rem-cube-cbrt3.6%

        \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x}} + 1 \]
      2. add-sqr-sqrt0.0%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}} + 1 \]
      3. sqrt-unprod0.7%

        \[\leadsto \color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}} + 1 \]
      4. frac-times0.7%

        \[\leadsto \sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}} + 1 \]
      5. metadata-eval0.7%

        \[\leadsto \sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}} + 1 \]
      6. metadata-eval0.7%

        \[\leadsto \sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}} + 1 \]
      7. frac-times0.7%

        \[\leadsto \sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}} + 1 \]
      8. sqrt-unprod0.7%

        \[\leadsto \color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}} + 1 \]
      9. add-sqr-sqrt0.7%

        \[\leadsto \color{blue}{\frac{0.1111111111111111}{x}} + 1 \]
      10. +-commutative0.7%

        \[\leadsto \color{blue}{1 + \frac{0.1111111111111111}{x}} \]
      11. div-inv0.7%

        \[\leadsto 1 + \color{blue}{0.1111111111111111 \cdot \frac{1}{x}} \]
      12. metadata-eval0.7%

        \[\leadsto 1 + \color{blue}{\left(--0.1111111111111111\right)} \cdot \frac{1}{x} \]
      13. cancel-sign-sub-inv0.7%

        \[\leadsto \color{blue}{1 - -0.1111111111111111 \cdot \frac{1}{x}} \]
      14. div-inv0.7%

        \[\leadsto 1 - \color{blue}{\frac{-0.1111111111111111}{x}} \]
      15. flip--0.7%

        \[\leadsto \color{blue}{\frac{1 \cdot 1 - \frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}{1 + \frac{-0.1111111111111111}{x}}} \]
      16. metadata-eval0.7%

        \[\leadsto \frac{\color{blue}{1} - \frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}{1 + \frac{-0.1111111111111111}{x}} \]
      17. rem-cube-cbrt0.7%

        \[\leadsto \frac{1 - \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} \cdot \frac{-0.1111111111111111}{x}}{1 + \frac{-0.1111111111111111}{x}} \]
      18. rem-cube-cbrt0.7%

        \[\leadsto \frac{1 - {\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3} \cdot \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}}}{1 + \frac{-0.1111111111111111}{x}} \]
      19. +-commutative0.7%

        \[\leadsto \frac{1 - {\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3} \cdot {\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}}{\color{blue}{\frac{-0.1111111111111111}{x} + 1}} \]
      20. div-sub0.7%

        \[\leadsto \color{blue}{\frac{1}{\frac{-0.1111111111111111}{x} + 1} - \frac{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3} \cdot {\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}}{\frac{-0.1111111111111111}{x} + 1}} \]
    11. Applied egg-rr19.5%

      \[\leadsto \color{blue}{\frac{1}{\frac{0.1111111111111111}{x} + 1} - \frac{\frac{0.012345679012345678}{{x}^{2}}}{\frac{0.1111111111111111}{x} + 1}} \]
    12. Step-by-step derivation
      1. metadata-eval19.5%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \frac{\frac{\color{blue}{-0.1111111111111111 \cdot -0.1111111111111111}}{{x}^{2}}}{\frac{0.1111111111111111}{x} + 1} \]
      2. unpow219.5%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \frac{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{\color{blue}{x \cdot x}}}{\frac{0.1111111111111111}{x} + 1} \]
      3. frac-times19.5%

        \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \frac{\color{blue}{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}}{\frac{0.1111111111111111}{x} + 1} \]
    13. Applied egg-rr19.5%

      \[\leadsto \frac{1}{\frac{0.1111111111111111}{x} + 1} - \frac{\color{blue}{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}}{\frac{0.1111111111111111}{x} + 1} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification62.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq 3.9 \cdot 10^{+146}:\\ \;\;\;\;1 + \frac{-1}{x \cdot 9}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{1 + \frac{0.1111111111111111}{x}} - \frac{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}{1 + \frac{0.1111111111111111}{x}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 14: 61.0% accurate, 14.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;x \leq 0.106:\\ \;\;\;\;\frac{-0.1111111111111111}{x}\\ \mathbf{else}:\\ \;\;\;\;1\\ \end{array} \end{array} \]
(FPCore (x y)
 :precision binary64
 (if (<= x 0.106) (/ -0.1111111111111111 x) 1.0))
double code(double x, double y) {
	double tmp;
	if (x <= 0.106) {
		tmp = -0.1111111111111111 / x;
	} else {
		tmp = 1.0;
	}
	return tmp;
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8) :: tmp
    if (x <= 0.106d0) then
        tmp = (-0.1111111111111111d0) / x
    else
        tmp = 1.0d0
    end if
    code = tmp
end function
public static double code(double x, double y) {
	double tmp;
	if (x <= 0.106) {
		tmp = -0.1111111111111111 / x;
	} else {
		tmp = 1.0;
	}
	return tmp;
}
def code(x, y):
	tmp = 0
	if x <= 0.106:
		tmp = -0.1111111111111111 / x
	else:
		tmp = 1.0
	return tmp
function code(x, y)
	tmp = 0.0
	if (x <= 0.106)
		tmp = Float64(-0.1111111111111111 / x);
	else
		tmp = 1.0;
	end
	return tmp
end
function tmp_2 = code(x, y)
	tmp = 0.0;
	if (x <= 0.106)
		tmp = -0.1111111111111111 / x;
	else
		tmp = 1.0;
	end
	tmp_2 = tmp;
end
code[x_, y_] := If[LessEqual[x, 0.106], N[(-0.1111111111111111 / x), $MachinePrecision], 1.0]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;x \leq 0.106:\\
\;\;\;\;\frac{-0.1111111111111111}{x}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if x < 0.105999999999999997

    1. Initial program 99.6%

      \[\left(1 - \frac{1}{x \cdot 9}\right) - \frac{y}{3 \cdot \sqrt{x}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. frac-2neg99.6%

        \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \color{blue}{\frac{-y}{-3 \cdot \sqrt{x}}} \]
      2. div-inv99.6%

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

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

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

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

        \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \left(-y\right) \cdot \frac{1}{\sqrt{x} \cdot \color{blue}{\frac{1}{-0.3333333333333333}}} \]
      7. div-inv99.5%

        \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \left(-y\right) \cdot \frac{1}{\color{blue}{\frac{\sqrt{x}}{-0.3333333333333333}}} \]
      8. clear-num99.6%

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

      \[\leadsto \left(1 - \frac{1}{x \cdot 9}\right) - \color{blue}{\left(-y\right) \cdot \frac{-0.3333333333333333}{\sqrt{x}}} \]
    5. Taylor expanded in x around 0 96.7%

      \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x}} - \left(-y\right) \cdot \frac{-0.3333333333333333}{\sqrt{x}} \]
    6. Taylor expanded in x around 0 60.0%

      \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x}} \]

    if 0.105999999999999997 < 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. sub-neg99.8%

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

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

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

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

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

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

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

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

        \[\leadsto 1 + \mathsf{fma}\left(y, \frac{-0.3333333333333333}{\sqrt{x}}, -\color{blue}{\frac{\frac{1}{9}}{x}}\right) \]
      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 x around inf 56.0%

      \[\leadsto \color{blue}{1} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification58.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;x \leq 0.106:\\ \;\;\;\;\frac{-0.1111111111111111}{x}\\ \mathbf{else}:\\ \;\;\;\;1\\ \end{array} \]
  5. Add Preprocessing

Alternative 15: 62.0% accurate, 16.1× speedup?

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

\\
1 + \frac{-1}{x \cdot 9}
\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. distribute-frac-neg99.7%

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

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

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

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

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

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

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

      \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
    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 59.5%

    \[\leadsto \color{blue}{1 - 0.1111111111111111 \cdot \frac{1}{x}} \]
  6. Step-by-step derivation
    1. cancel-sign-sub-inv59.5%

      \[\leadsto \color{blue}{1 + \left(-0.1111111111111111\right) \cdot \frac{1}{x}} \]
    2. metadata-eval59.5%

      \[\leadsto 1 + \color{blue}{-0.1111111111111111} \cdot \frac{1}{x} \]
    3. associate-*r/59.5%

      \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111 \cdot 1}{x}} \]
    4. metadata-eval59.5%

      \[\leadsto 1 + \frac{\color{blue}{-0.1111111111111111}}{x} \]
    5. +-commutative59.5%

      \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
  7. Simplified59.5%

    \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
  8. Step-by-step derivation
    1. add-cube-cbrt59.0%

      \[\leadsto \color{blue}{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}} \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}\right) \cdot \sqrt[3]{\frac{-0.1111111111111111}{x}}} + 1 \]
    2. pow359.0%

      \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
  9. Applied egg-rr59.0%

    \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{-0.1111111111111111}{x}}\right)}^{3}} + 1 \]
  10. Step-by-step derivation
    1. rem-cube-cbrt59.5%

      \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x}} + 1 \]
    2. add-sqr-sqrt0.0%

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

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

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

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

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

      \[\leadsto \sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}} + 1 \]
    8. sqrt-unprod28.4%

      \[\leadsto \color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}} + 1 \]
    9. add-sqr-sqrt28.4%

      \[\leadsto \color{blue}{\frac{0.1111111111111111}{x}} + 1 \]
    10. metadata-eval28.4%

      \[\leadsto \frac{\color{blue}{--0.1111111111111111}}{x} + 1 \]
    11. distribute-neg-frac28.4%

      \[\leadsto \color{blue}{\left(-\frac{-0.1111111111111111}{x}\right)} + 1 \]
    12. clear-num28.4%

      \[\leadsto \left(-\color{blue}{\frac{1}{\frac{x}{-0.1111111111111111}}}\right) + 1 \]
    13. distribute-neg-frac28.4%

      \[\leadsto \color{blue}{\frac{-1}{\frac{x}{-0.1111111111111111}}} + 1 \]
    14. metadata-eval28.4%

      \[\leadsto \frac{\color{blue}{-1}}{\frac{x}{-0.1111111111111111}} + 1 \]
    15. clear-num28.4%

      \[\leadsto \frac{-1}{\color{blue}{\frac{1}{\frac{-0.1111111111111111}{x}}}} + 1 \]
    16. add-sqr-sqrt0.0%

      \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{-0.1111111111111111}{x}} \cdot \sqrt{\frac{-0.1111111111111111}{x}}}}} + 1 \]
    17. sqrt-unprod45.0%

      \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{-0.1111111111111111}{x} \cdot \frac{-0.1111111111111111}{x}}}}} + 1 \]
    18. frac-times45.0%

      \[\leadsto \frac{-1}{\frac{1}{\sqrt{\color{blue}{\frac{-0.1111111111111111 \cdot -0.1111111111111111}{x \cdot x}}}}} + 1 \]
    19. metadata-eval45.0%

      \[\leadsto \frac{-1}{\frac{1}{\sqrt{\frac{\color{blue}{0.012345679012345678}}{x \cdot x}}}} + 1 \]
    20. metadata-eval45.0%

      \[\leadsto \frac{-1}{\frac{1}{\sqrt{\frac{\color{blue}{0.1111111111111111 \cdot 0.1111111111111111}}{x \cdot x}}}} + 1 \]
    21. frac-times45.0%

      \[\leadsto \frac{-1}{\frac{1}{\sqrt{\color{blue}{\frac{0.1111111111111111}{x} \cdot \frac{0.1111111111111111}{x}}}}} + 1 \]
    22. sqrt-unprod59.3%

      \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\sqrt{\frac{0.1111111111111111}{x}} \cdot \sqrt{\frac{0.1111111111111111}{x}}}}} + 1 \]
    23. add-sqr-sqrt59.5%

      \[\leadsto \frac{-1}{\frac{1}{\color{blue}{\frac{0.1111111111111111}{x}}}} + 1 \]
    24. clear-num59.4%

      \[\leadsto \frac{-1}{\color{blue}{\frac{x}{0.1111111111111111}}} + 1 \]
    25. div-inv59.6%

      \[\leadsto \frac{-1}{\color{blue}{x \cdot \frac{1}{0.1111111111111111}}} + 1 \]
    26. metadata-eval59.6%

      \[\leadsto \frac{-1}{x \cdot \color{blue}{9}} + 1 \]
  11. Applied egg-rr59.6%

    \[\leadsto \color{blue}{\frac{-1}{x \cdot 9}} + 1 \]
  12. Final simplification59.6%

    \[\leadsto 1 + \frac{-1}{x \cdot 9} \]
  13. Add Preprocessing

Alternative 16: 62.0% 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. sub-neg99.7%

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

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

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

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

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

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

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

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

      \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
    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 59.5%

    \[\leadsto \color{blue}{1 - 0.1111111111111111 \cdot \frac{1}{x}} \]
  6. Step-by-step derivation
    1. cancel-sign-sub-inv59.5%

      \[\leadsto \color{blue}{1 + \left(-0.1111111111111111\right) \cdot \frac{1}{x}} \]
    2. metadata-eval59.5%

      \[\leadsto 1 + \color{blue}{-0.1111111111111111} \cdot \frac{1}{x} \]
    3. associate-*r/59.5%

      \[\leadsto 1 + \color{blue}{\frac{-0.1111111111111111 \cdot 1}{x}} \]
    4. metadata-eval59.5%

      \[\leadsto 1 + \frac{\color{blue}{-0.1111111111111111}}{x} \]
    5. +-commutative59.5%

      \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
  7. Simplified59.5%

    \[\leadsto \color{blue}{\frac{-0.1111111111111111}{x} + 1} \]
  8. Final simplification59.5%

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

Alternative 17: 31.8% accurate, 113.0× speedup?

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

\\
1
\end{array}
Derivation
  1. Initial program 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. distribute-frac-neg99.7%

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

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

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

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

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

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

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

      \[\leadsto 1 + \mathsf{fma}\left(y, \color{blue}{\frac{\frac{-1}{3}}{\sqrt{x}}}, -\frac{1}{x \cdot 9}\right) \]
    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 x around inf 28.3%

    \[\leadsto \color{blue}{1} \]
  6. Final simplification28.3%

    \[\leadsto 1 \]
  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 2024018 
(FPCore (x y)
  :name "Numeric.SpecFunctions:invIncompleteGamma from math-functions-0.1.5.2, D"
  :precision binary64

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

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