
(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 8 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(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}
Initial program 99.8%
(FPCore (x y) :precision binary64 (if (<= x -2.3e+27) 100.0 (if (<= x 3.4e-29) (/ (* x 100.0) y) 100.0)))
double code(double x, double y) {
double tmp;
if (x <= -2.3e+27) {
tmp = 100.0;
} else if (x <= 3.4e-29) {
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 <= (-2.3d+27)) then
tmp = 100.0d0
else if (x <= 3.4d-29) 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 <= -2.3e+27) {
tmp = 100.0;
} else if (x <= 3.4e-29) {
tmp = (x * 100.0) / y;
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -2.3e+27: tmp = 100.0 elif x <= 3.4e-29: tmp = (x * 100.0) / y else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -2.3e+27) tmp = 100.0; elseif (x <= 3.4e-29) tmp = Float64(Float64(x * 100.0) / y); else tmp = 100.0; end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if (x <= -2.3e+27) tmp = 100.0; elseif (x <= 3.4e-29) tmp = (x * 100.0) / y; else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -2.3e+27], 100.0, If[LessEqual[x, 3.4e-29], N[(N[(x * 100.0), $MachinePrecision] / y), $MachinePrecision], 100.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.3 \cdot 10^{+27}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq 3.4 \cdot 10^{-29}:\\
\;\;\;\;\frac{x \cdot 100}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -2.3000000000000001e27 or 3.39999999999999972e-29 < x Initial program 99.7%
*-commutative99.7%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 75.0%
if -2.3000000000000001e27 < x < 3.39999999999999972e-29Initial program 99.8%
Taylor expanded in x around 0 79.1%
(FPCore (x y) :precision binary64 (if (<= x -4.8e+25) 100.0 (if (<= x 5.8e-31) (/ x (/ y 100.0)) 100.0)))
double code(double x, double y) {
double tmp;
if (x <= -4.8e+25) {
tmp = 100.0;
} else if (x <= 5.8e-31) {
tmp = x / (y / 100.0);
} 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 <= (-4.8d+25)) then
tmp = 100.0d0
else if (x <= 5.8d-31) then
tmp = x / (y / 100.0d0)
else
tmp = 100.0d0
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if (x <= -4.8e+25) {
tmp = 100.0;
} else if (x <= 5.8e-31) {
tmp = x / (y / 100.0);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -4.8e+25: tmp = 100.0 elif x <= 5.8e-31: tmp = x / (y / 100.0) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -4.8e+25) tmp = 100.0; elseif (x <= 5.8e-31) tmp = Float64(x / Float64(y / 100.0)); else tmp = 100.0; end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if (x <= -4.8e+25) tmp = 100.0; elseif (x <= 5.8e-31) tmp = x / (y / 100.0); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -4.8e+25], 100.0, If[LessEqual[x, 5.8e-31], N[(x / N[(y / 100.0), $MachinePrecision]), $MachinePrecision], 100.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -4.8 \cdot 10^{+25}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq 5.8 \cdot 10^{-31}:\\
\;\;\;\;\frac{x}{\frac{y}{100}}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -4.79999999999999992e25 or 5.8000000000000001e-31 < x Initial program 99.7%
*-commutative99.7%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 75.0%
if -4.79999999999999992e25 < x < 5.8000000000000001e-31Initial program 99.8%
*-commutative99.8%
associate-/l*99.6%
Simplified99.6%
Taylor expanded in x around 0 78.8%
associate-*r/79.1%
*-commutative79.1%
associate-*r/79.0%
Simplified79.0%
clear-num78.9%
un-div-inv79.0%
div-inv79.0%
metadata-eval79.0%
Applied egg-rr79.0%
metadata-eval79.0%
div-inv79.0%
Applied egg-rr79.0%
(FPCore (x y) :precision binary64 (if (<= x -3.05e+26) 100.0 (if (<= x 3.5e-31) (* x (/ 100.0 y)) 100.0)))
double code(double x, double y) {
double tmp;
if (x <= -3.05e+26) {
tmp = 100.0;
} else if (x <= 3.5e-31) {
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 <= (-3.05d+26)) then
tmp = 100.0d0
else if (x <= 3.5d-31) 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 <= -3.05e+26) {
tmp = 100.0;
} else if (x <= 3.5e-31) {
tmp = x * (100.0 / y);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -3.05e+26: tmp = 100.0 elif x <= 3.5e-31: tmp = x * (100.0 / y) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -3.05e+26) tmp = 100.0; elseif (x <= 3.5e-31) 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 <= -3.05e+26) tmp = 100.0; elseif (x <= 3.5e-31) tmp = x * (100.0 / y); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -3.05e+26], 100.0, If[LessEqual[x, 3.5e-31], N[(x * N[(100.0 / y), $MachinePrecision]), $MachinePrecision], 100.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.05 \cdot 10^{+26}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq 3.5 \cdot 10^{-31}:\\
\;\;\;\;x \cdot \frac{100}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -3.0500000000000001e26 or 3.49999999999999985e-31 < x Initial program 99.7%
*-commutative99.7%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 75.0%
if -3.0500000000000001e26 < x < 3.49999999999999985e-31Initial program 99.8%
*-commutative99.8%
associate-/l*99.6%
Simplified99.6%
Taylor expanded in x around 0 78.8%
associate-*r/79.1%
*-commutative79.1%
associate-*r/79.0%
Simplified79.0%
(FPCore (x y) :precision binary64 (if (<= x -2.9e+25) 100.0 (if (<= x 4.7e-32) (* 100.0 (/ x y)) 100.0)))
double code(double x, double y) {
double tmp;
if (x <= -2.9e+25) {
tmp = 100.0;
} else if (x <= 4.7e-32) {
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 <= (-2.9d+25)) then
tmp = 100.0d0
else if (x <= 4.7d-32) 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 <= -2.9e+25) {
tmp = 100.0;
} else if (x <= 4.7e-32) {
tmp = 100.0 * (x / y);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -2.9e+25: tmp = 100.0 elif x <= 4.7e-32: tmp = 100.0 * (x / y) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -2.9e+25) tmp = 100.0; elseif (x <= 4.7e-32) 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 <= -2.9e+25) tmp = 100.0; elseif (x <= 4.7e-32) tmp = 100.0 * (x / y); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -2.9e+25], 100.0, If[LessEqual[x, 4.7e-32], N[(100.0 * N[(x / y), $MachinePrecision]), $MachinePrecision], 100.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.9 \cdot 10^{+25}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq 4.7 \cdot 10^{-32}:\\
\;\;\;\;100 \cdot \frac{x}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -2.8999999999999999e25 or 4.70000000000000019e-32 < x Initial program 99.7%
*-commutative99.7%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 75.0%
if -2.8999999999999999e25 < x < 4.70000000000000019e-32Initial program 99.8%
*-commutative99.8%
associate-/l*99.6%
Simplified99.6%
Taylor expanded in x around 0 78.8%
(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 99.8%
associate-/l*99.8%
*-commutative99.8%
Applied egg-rr99.8%
Final simplification99.8%
(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 99.8%
*-commutative99.8%
associate-/l*99.7%
Simplified99.7%
(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 99.8%
*-commutative99.8%
associate-/l*99.7%
Simplified99.7%
Taylor expanded in x around inf 48.8%
(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 2024116
(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)))