
(FPCore (x y) :precision binary64 (/ (* x 100.0) (+ x y)))
double code(double x, double y) {
return (x * 100.0) / (x + y);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = (x * 100.0d0) / (x + y)
end function
public static double code(double x, double y) {
return (x * 100.0) / (x + y);
}
def code(x, y): return (x * 100.0) / (x + y)
function code(x, y) return Float64(Float64(x * 100.0) / Float64(x + y)) end
function tmp = code(x, y) tmp = (x * 100.0) / (x + y); end
code[x_, y_] := N[(N[(x * 100.0), $MachinePrecision] / N[(x + y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot 100}{x + y}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 5 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y) :precision binary64 (/ (* x 100.0) (+ x y)))
double code(double x, double y) {
return (x * 100.0) / (x + y);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = (x * 100.0d0) / (x + y)
end function
public static double code(double x, double y) {
return (x * 100.0) / (x + y);
}
def code(x, y): return (x * 100.0) / (x + y)
function code(x, y) return Float64(Float64(x * 100.0) / Float64(x + y)) end
function tmp = code(x, y) tmp = (x * 100.0) / (x + y); end
code[x_, y_] := N[(N[(x * 100.0), $MachinePrecision] / N[(x + y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot 100}{x + y}
\end{array}
(FPCore (x y) :precision binary64 (* 100.0 (/ x (+ x y))))
double code(double x, double y) {
return 100.0 * (x / (x + y));
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = 100.0d0 * (x / (x + y))
end function
public static double code(double x, double y) {
return 100.0 * (x / (x + y));
}
def code(x, y): return 100.0 * (x / (x + y))
function code(x, y) return Float64(100.0 * Float64(x / Float64(x + y))) end
function tmp = code(x, y) tmp = 100.0 * (x / (x + y)); end
code[x_, y_] := N[(100.0 * N[(x / N[(x + y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
100 \cdot \frac{x}{x + y}
\end{array}
Initial program 99.3%
*-commutative99.3%
associate-/l*99.8%
Simplified99.8%
(FPCore (x y) :precision binary64 (if (<= x -5e-85) 100.0 (if (<= x 3.9e+121) (/ x (* y 0.01)) 100.0)))
double code(double x, double y) {
double tmp;
if (x <= -5e-85) {
tmp = 100.0;
} else if (x <= 3.9e+121) {
tmp = x / (y * 0.01);
} else {
tmp = 100.0;
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if (x <= (-5d-85)) then
tmp = 100.0d0
else if (x <= 3.9d+121) then
tmp = x / (y * 0.01d0)
else
tmp = 100.0d0
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if (x <= -5e-85) {
tmp = 100.0;
} else if (x <= 3.9e+121) {
tmp = x / (y * 0.01);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -5e-85: tmp = 100.0 elif x <= 3.9e+121: tmp = x / (y * 0.01) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -5e-85) tmp = 100.0; elseif (x <= 3.9e+121) tmp = Float64(x / Float64(y * 0.01)); else tmp = 100.0; end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if (x <= -5e-85) tmp = 100.0; elseif (x <= 3.9e+121) tmp = x / (y * 0.01); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -5e-85], 100.0, If[LessEqual[x, 3.9e+121], N[(x / N[(y * 0.01), $MachinePrecision]), $MachinePrecision], 100.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5 \cdot 10^{-85}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq 3.9 \cdot 10^{+121}:\\
\;\;\;\;\frac{x}{y \cdot 0.01}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -5.0000000000000002e-85 or 3.89999999999999984e121 < x Initial program 99.0%
*-commutative99.0%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 79.8%
if -5.0000000000000002e-85 < x < 3.89999999999999984e121Initial program 99.7%
*-commutative99.7%
associate-/l*99.7%
Simplified99.7%
Taylor expanded in x around 0 76.0%
associate-*r/76.1%
*-commutative76.1%
associate-*r/76.0%
Simplified76.0%
clear-num76.0%
un-div-inv76.1%
div-inv76.1%
metadata-eval76.1%
Applied egg-rr76.1%
(FPCore (x y) :precision binary64 (if (<= x -1.65e-85) 100.0 (if (<= x 4e+121) (* x (/ 100.0 y)) 100.0)))
double code(double x, double y) {
double tmp;
if (x <= -1.65e-85) {
tmp = 100.0;
} else if (x <= 4e+121) {
tmp = x * (100.0 / y);
} else {
tmp = 100.0;
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if (x <= (-1.65d-85)) then
tmp = 100.0d0
else if (x <= 4d+121) then
tmp = x * (100.0d0 / y)
else
tmp = 100.0d0
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if (x <= -1.65e-85) {
tmp = 100.0;
} else if (x <= 4e+121) {
tmp = x * (100.0 / y);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -1.65e-85: tmp = 100.0 elif x <= 4e+121: tmp = x * (100.0 / y) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -1.65e-85) tmp = 100.0; elseif (x <= 4e+121) tmp = Float64(x * Float64(100.0 / y)); else tmp = 100.0; end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if (x <= -1.65e-85) tmp = 100.0; elseif (x <= 4e+121) tmp = x * (100.0 / y); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -1.65e-85], 100.0, If[LessEqual[x, 4e+121], N[(x * N[(100.0 / y), $MachinePrecision]), $MachinePrecision], 100.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.65 \cdot 10^{-85}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq 4 \cdot 10^{+121}:\\
\;\;\;\;x \cdot \frac{100}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -1.64999999999999986e-85 or 4.00000000000000015e121 < x Initial program 99.0%
*-commutative99.0%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 79.8%
if -1.64999999999999986e-85 < x < 4.00000000000000015e121Initial program 99.7%
*-commutative99.7%
associate-/l*99.7%
Simplified99.7%
Taylor expanded in x around 0 76.0%
associate-*r/76.1%
*-commutative76.1%
associate-*r/76.0%
Simplified76.0%
(FPCore (x y) :precision binary64 (if (<= x -3.2e-85) 100.0 (if (<= x 3.9e+121) (* 100.0 (/ x y)) 100.0)))
double code(double x, double y) {
double tmp;
if (x <= -3.2e-85) {
tmp = 100.0;
} else if (x <= 3.9e+121) {
tmp = 100.0 * (x / y);
} else {
tmp = 100.0;
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if (x <= (-3.2d-85)) then
tmp = 100.0d0
else if (x <= 3.9d+121) then
tmp = 100.0d0 * (x / y)
else
tmp = 100.0d0
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if (x <= -3.2e-85) {
tmp = 100.0;
} else if (x <= 3.9e+121) {
tmp = 100.0 * (x / y);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -3.2e-85: tmp = 100.0 elif x <= 3.9e+121: tmp = 100.0 * (x / y) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -3.2e-85) tmp = 100.0; elseif (x <= 3.9e+121) tmp = Float64(100.0 * Float64(x / y)); else tmp = 100.0; end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if (x <= -3.2e-85) tmp = 100.0; elseif (x <= 3.9e+121) tmp = 100.0 * (x / y); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -3.2e-85], 100.0, If[LessEqual[x, 3.9e+121], N[(100.0 * N[(x / y), $MachinePrecision]), $MachinePrecision], 100.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.2 \cdot 10^{-85}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq 3.9 \cdot 10^{+121}:\\
\;\;\;\;100 \cdot \frac{x}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -3.20000000000000027e-85 or 3.89999999999999984e121 < x Initial program 99.0%
*-commutative99.0%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 79.8%
if -3.20000000000000027e-85 < x < 3.89999999999999984e121Initial program 99.7%
*-commutative99.7%
associate-/l*99.7%
Simplified99.7%
Taylor expanded in x around 0 76.0%
(FPCore (x y) :precision binary64 100.0)
double code(double x, double y) {
return 100.0;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = 100.0d0
end function
public static double code(double x, double y) {
return 100.0;
}
def code(x, y): return 100.0
function code(x, y) return 100.0 end
function tmp = code(x, y) tmp = 100.0; end
code[x_, y_] := 100.0
\begin{array}{l}
\\
100
\end{array}
Initial program 99.3%
*-commutative99.3%
associate-/l*99.8%
Simplified99.8%
Taylor expanded in x around inf 54.2%
(FPCore (x y) :precision binary64 (* (/ x 1.0) (/ 100.0 (+ x y))))
double code(double x, double y) {
return (x / 1.0) * (100.0 / (x + y));
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = (x / 1.0d0) * (100.0d0 / (x + y))
end function
public static double code(double x, double y) {
return (x / 1.0) * (100.0 / (x + y));
}
def code(x, y): return (x / 1.0) * (100.0 / (x + y))
function code(x, y) return Float64(Float64(x / 1.0) * Float64(100.0 / Float64(x + y))) end
function tmp = code(x, y) tmp = (x / 1.0) * (100.0 / (x + y)); end
code[x_, y_] := N[(N[(x / 1.0), $MachinePrecision] * N[(100.0 / N[(x + y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x}{1} \cdot \frac{100}{x + y}
\end{array}
herbie shell --seed 2024145
(FPCore (x y)
:name "Development.Shake.Progress:message from shake-0.15.5"
:precision binary64
:alt
(! :herbie-platform default (* (/ x 1) (/ 100 (+ x y))))
(/ (* x 100.0) (+ x y)))