
(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 6 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 (* 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(x * Float64(100.0 / Float64(x + y))) end
function tmp = code(x, y) tmp = x * (100.0 / (x + y)); end
code[x_, y_] := N[(x * N[(100.0 / N[(x + y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \frac{100}{x + y}
\end{array}
Initial program 99.3%
associate-/l*99.7%
*-commutative99.7%
Applied egg-rr99.7%
Final simplification99.7%
(FPCore (x y) :precision binary64 (if (<= x -4e-10) 100.0 (if (<= x 4e+66) (* 100.0 (/ x y)) 100.0)))
double code(double x, double y) {
double tmp;
if (x <= -4e-10) {
tmp = 100.0;
} else if (x <= 4e+66) {
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 <= (-4d-10)) then
tmp = 100.0d0
else if (x <= 4d+66) 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 <= -4e-10) {
tmp = 100.0;
} else if (x <= 4e+66) {
tmp = 100.0 * (x / y);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -4e-10: tmp = 100.0 elif x <= 4e+66: tmp = 100.0 * (x / y) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -4e-10) tmp = 100.0; elseif (x <= 4e+66) 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 <= -4e-10) tmp = 100.0; elseif (x <= 4e+66) tmp = 100.0 * (x / y); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -4e-10], 100.0, If[LessEqual[x, 4e+66], N[(100.0 * N[(x / y), $MachinePrecision]), $MachinePrecision], 100.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -4 \cdot 10^{-10}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq 4 \cdot 10^{+66}:\\
\;\;\;\;100 \cdot \frac{x}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -4.00000000000000015e-10 or 3.99999999999999978e66 < x Initial program 99.0%
*-commutative99.0%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 83.4%
if -4.00000000000000015e-10 < x < 3.99999999999999978e66Initial program 99.7%
*-commutative99.7%
associate-/l*99.5%
Simplified99.5%
Taylor expanded in x around 0 76.1%
Final simplification79.7%
(FPCore (x y) :precision binary64 (if (<= x -1.35e-10) 100.0 (if (<= x 4.9e+65) (* x (/ 100.0 y)) 100.0)))
double code(double x, double y) {
double tmp;
if (x <= -1.35e-10) {
tmp = 100.0;
} else if (x <= 4.9e+65) {
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 <= (-1.35d-10)) then
tmp = 100.0d0
else if (x <= 4.9d+65) 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 <= -1.35e-10) {
tmp = 100.0;
} else if (x <= 4.9e+65) {
tmp = x * (100.0 / y);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -1.35e-10: tmp = 100.0 elif x <= 4.9e+65: tmp = x * (100.0 / y) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -1.35e-10) tmp = 100.0; elseif (x <= 4.9e+65) 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 <= -1.35e-10) tmp = 100.0; elseif (x <= 4.9e+65) tmp = x * (100.0 / y); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -1.35e-10], 100.0, If[LessEqual[x, 4.9e+65], N[(x * N[(100.0 / y), $MachinePrecision]), $MachinePrecision], 100.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.35 \cdot 10^{-10}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq 4.9 \cdot 10^{+65}:\\
\;\;\;\;x \cdot \frac{100}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -1.35e-10 or 4.89999999999999956e65 < x Initial program 99.0%
*-commutative99.0%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 83.4%
if -1.35e-10 < x < 4.89999999999999956e65Initial program 99.7%
associate-/l*99.7%
*-commutative99.7%
Applied egg-rr99.7%
Taylor expanded in x around 0 76.3%
Final simplification79.8%
(FPCore (x y) :precision binary64 (if (<= x -7.4e-10) 100.0 (if (<= x 5e+65) (/ x (* y 0.01)) 100.0)))
double code(double x, double y) {
double tmp;
if (x <= -7.4e-10) {
tmp = 100.0;
} else if (x <= 5e+65) {
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 <= (-7.4d-10)) then
tmp = 100.0d0
else if (x <= 5d+65) 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 <= -7.4e-10) {
tmp = 100.0;
} else if (x <= 5e+65) {
tmp = x / (y * 0.01);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -7.4e-10: tmp = 100.0 elif x <= 5e+65: tmp = x / (y * 0.01) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -7.4e-10) tmp = 100.0; elseif (x <= 5e+65) 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 <= -7.4e-10) tmp = 100.0; elseif (x <= 5e+65) tmp = x / (y * 0.01); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -7.4e-10], 100.0, If[LessEqual[x, 5e+65], N[(x / N[(y * 0.01), $MachinePrecision]), $MachinePrecision], 100.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -7.4 \cdot 10^{-10}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq 5 \cdot 10^{+65}:\\
\;\;\;\;\frac{x}{y \cdot 0.01}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -7.4000000000000003e-10 or 4.99999999999999973e65 < x Initial program 99.0%
*-commutative99.0%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 83.4%
if -7.4000000000000003e-10 < x < 4.99999999999999973e65Initial program 99.7%
associate-/l*99.7%
*-commutative99.7%
Applied egg-rr99.7%
*-commutative99.7%
clear-num99.6%
un-div-inv99.6%
div-inv99.7%
metadata-eval99.7%
Applied egg-rr99.7%
Taylor expanded in x around 0 76.4%
*-commutative76.4%
Simplified76.4%
Final simplification79.8%
(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*99.7%
Simplified99.7%
Final simplification99.7%
(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*99.7%
Simplified99.7%
Taylor expanded in x around inf 53.8%
Final simplification53.8%
(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 2024082
(FPCore (x y)
:name "Development.Shake.Progress:message from shake-0.15.5"
:precision binary64
:alt
(* (/ x 1.0) (/ 100.0 (+ x y)))
(/ (* x 100.0) (+ x y)))