
(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 (* (+ x y) 0.01)))
double code(double x, double y) {
return x / ((x + y) * 0.01);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = x / ((x + y) * 0.01d0)
end function
public static double code(double x, double y) {
return x / ((x + y) * 0.01);
}
def code(x, y): return x / ((x + y) * 0.01)
function code(x, y) return Float64(x / Float64(Float64(x + y) * 0.01)) end
function tmp = code(x, y) tmp = x / ((x + y) * 0.01); end
code[x_, y_] := N[(x / N[(N[(x + y), $MachinePrecision] * 0.01), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x}{\left(x + y\right) \cdot 0.01}
\end{array}
Initial program 99.4%
*-commutative99.4%
associate-/l*99.2%
Simplified99.2%
associate-/l*99.4%
*-commutative99.4%
expm1-log1p-u98.1%
expm1-udef66.6%
associate-/l*66.9%
div-inv66.9%
metadata-eval66.9%
Applied egg-rr66.9%
expm1-def98.5%
expm1-log1p99.7%
Simplified99.7%
Final simplification99.7%
(FPCore (x y) :precision binary64 (if (<= x -5.3e-67) 100.0 (if (<= x 1e-41) (* 100.0 (/ x y)) 100.0)))
double code(double x, double y) {
double tmp;
if (x <= -5.3e-67) {
tmp = 100.0;
} else if (x <= 1e-41) {
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 <= (-5.3d-67)) then
tmp = 100.0d0
else if (x <= 1d-41) 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 <= -5.3e-67) {
tmp = 100.0;
} else if (x <= 1e-41) {
tmp = 100.0 * (x / y);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -5.3e-67: tmp = 100.0 elif x <= 1e-41: tmp = 100.0 * (x / y) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -5.3e-67) tmp = 100.0; elseif (x <= 1e-41) 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 <= -5.3e-67) tmp = 100.0; elseif (x <= 1e-41) tmp = 100.0 * (x / y); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -5.3e-67], 100.0, If[LessEqual[x, 1e-41], N[(100.0 * N[(x / y), $MachinePrecision]), $MachinePrecision], 100.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5.3 \cdot 10^{-67}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq 10^{-41}:\\
\;\;\;\;100 \cdot \frac{x}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -5.29999999999999971e-67 or 1.00000000000000001e-41 < x Initial program 99.1%
*-commutative99.1%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 77.8%
if -5.29999999999999971e-67 < x < 1.00000000000000001e-41Initial program 99.8%
*-commutative99.8%
associate-/l*98.0%
Simplified98.0%
Taylor expanded in x around 0 79.2%
Final simplification78.3%
(FPCore (x y) :precision binary64 (if (<= x -6.8e-74) 100.0 (if (<= x 1.55e-41) (* x (/ 100.0 y)) 100.0)))
double code(double x, double y) {
double tmp;
if (x <= -6.8e-74) {
tmp = 100.0;
} else if (x <= 1.55e-41) {
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 <= (-6.8d-74)) then
tmp = 100.0d0
else if (x <= 1.55d-41) 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 <= -6.8e-74) {
tmp = 100.0;
} else if (x <= 1.55e-41) {
tmp = x * (100.0 / y);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -6.8e-74: tmp = 100.0 elif x <= 1.55e-41: tmp = x * (100.0 / y) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -6.8e-74) tmp = 100.0; elseif (x <= 1.55e-41) 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 <= -6.8e-74) tmp = 100.0; elseif (x <= 1.55e-41) tmp = x * (100.0 / y); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -6.8e-74], 100.0, If[LessEqual[x, 1.55e-41], N[(x * N[(100.0 / y), $MachinePrecision]), $MachinePrecision], 100.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -6.8 \cdot 10^{-74}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq 1.55 \cdot 10^{-41}:\\
\;\;\;\;x \cdot \frac{100}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -6.8000000000000001e-74 or 1.55e-41 < x Initial program 99.1%
*-commutative99.1%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 77.8%
if -6.8000000000000001e-74 < x < 1.55e-41Initial program 99.8%
*-commutative99.8%
associate-/l*98.0%
Simplified98.0%
Taylor expanded in x around 0 79.2%
associate-*r/79.3%
associate-/l*77.5%
associate-/r/79.2%
Simplified79.2%
Final simplification78.4%
(FPCore (x y) :precision binary64 (if (<= x -4.5e-68) 100.0 (if (<= x 1.9e-41) (/ (* x 100.0) y) 100.0)))
double code(double x, double y) {
double tmp;
if (x <= -4.5e-68) {
tmp = 100.0;
} else if (x <= 1.9e-41) {
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 <= (-4.5d-68)) then
tmp = 100.0d0
else if (x <= 1.9d-41) 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 <= -4.5e-68) {
tmp = 100.0;
} else if (x <= 1.9e-41) {
tmp = (x * 100.0) / y;
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -4.5e-68: tmp = 100.0 elif x <= 1.9e-41: tmp = (x * 100.0) / y else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -4.5e-68) tmp = 100.0; elseif (x <= 1.9e-41) 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 <= -4.5e-68) tmp = 100.0; elseif (x <= 1.9e-41) tmp = (x * 100.0) / y; else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -4.5e-68], 100.0, If[LessEqual[x, 1.9e-41], N[(N[(x * 100.0), $MachinePrecision] / y), $MachinePrecision], 100.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -4.5 \cdot 10^{-68}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq 1.9 \cdot 10^{-41}:\\
\;\;\;\;\frac{x \cdot 100}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -4.49999999999999999e-68 or 1.8999999999999999e-41 < x Initial program 99.1%
*-commutative99.1%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 77.8%
if -4.49999999999999999e-68 < x < 1.8999999999999999e-41Initial program 99.8%
*-commutative99.8%
associate-/l*98.0%
Simplified98.0%
Taylor expanded in x around 0 79.2%
associate-*r/79.3%
Simplified79.3%
Final simplification78.4%
(FPCore (x y) :precision binary64 (/ 100.0 (/ (+ x y) x)))
double code(double x, double y) {
return 100.0 / ((x + y) / x);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = 100.0d0 / ((x + y) / x)
end function
public static double code(double x, double y) {
return 100.0 / ((x + y) / x);
}
def code(x, y): return 100.0 / ((x + y) / x)
function code(x, y) return Float64(100.0 / Float64(Float64(x + y) / x)) end
function tmp = code(x, y) tmp = 100.0 / ((x + y) / x); end
code[x_, y_] := N[(100.0 / N[(N[(x + y), $MachinePrecision] / x), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{100}{\frac{x + y}{x}}
\end{array}
Initial program 99.4%
*-commutative99.4%
associate-/l*99.2%
Simplified99.2%
Final simplification99.2%
(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 99.4%
*-commutative99.4%
associate-/l*99.2%
Simplified99.2%
Taylor expanded in x around inf 56.7%
Final simplification56.7%
(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 2024026
(FPCore (x y)
:name "Development.Shake.Progress:message from shake-0.15.5"
:precision binary64
:herbie-target
(* (/ x 1.0) (/ 100.0 (+ x y)))
(/ (* x 100.0) (+ x y)))