
(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 7 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 99.7%
Final simplification99.7%
(FPCore (x y) :precision binary64 (if (or (<= y -2.35e+36) (not (<= y 0.086))) (* 100.0 (/ x y)) 100.0))
double code(double x, double y) {
double tmp;
if ((y <= -2.35e+36) || !(y <= 0.086)) {
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 ((y <= (-2.35d+36)) .or. (.not. (y <= 0.086d0))) 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 ((y <= -2.35e+36) || !(y <= 0.086)) {
tmp = 100.0 * (x / y);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if (y <= -2.35e+36) or not (y <= 0.086): tmp = 100.0 * (x / y) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if ((y <= -2.35e+36) || !(y <= 0.086)) 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 ((y <= -2.35e+36) || ~((y <= 0.086))) tmp = 100.0 * (x / y); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[Or[LessEqual[y, -2.35e+36], N[Not[LessEqual[y, 0.086]], $MachinePrecision]], N[(100.0 * N[(x / y), $MachinePrecision]), $MachinePrecision], 100.0]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.35 \cdot 10^{+36} \lor \neg \left(y \leq 0.086\right):\\
\;\;\;\;100 \cdot \frac{x}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if y < -2.34999999999999994e36 or 0.085999999999999993 < y Initial program 99.7%
*-commutative99.7%
associate-/l*98.8%
Simplified98.8%
Taylor expanded in x around 0 81.5%
if -2.34999999999999994e36 < y < 0.085999999999999993Initial program 99.8%
*-commutative99.8%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 81.8%
Final simplification81.6%
(FPCore (x y) :precision binary64 (if (<= y -4.9e+36) (* 100.0 (/ x y)) (if (<= y 0.013) 100.0 (* x (/ 100.0 y)))))
double code(double x, double y) {
double tmp;
if (y <= -4.9e+36) {
tmp = 100.0 * (x / y);
} else if (y <= 0.013) {
tmp = 100.0;
} else {
tmp = x * (100.0 / y);
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if (y <= (-4.9d+36)) then
tmp = 100.0d0 * (x / y)
else if (y <= 0.013d0) then
tmp = 100.0d0
else
tmp = x * (100.0d0 / y)
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if (y <= -4.9e+36) {
tmp = 100.0 * (x / y);
} else if (y <= 0.013) {
tmp = 100.0;
} else {
tmp = x * (100.0 / y);
}
return tmp;
}
def code(x, y): tmp = 0 if y <= -4.9e+36: tmp = 100.0 * (x / y) elif y <= 0.013: tmp = 100.0 else: tmp = x * (100.0 / y) return tmp
function code(x, y) tmp = 0.0 if (y <= -4.9e+36) tmp = Float64(100.0 * Float64(x / y)); elseif (y <= 0.013) tmp = 100.0; else tmp = Float64(x * Float64(100.0 / y)); end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if (y <= -4.9e+36) tmp = 100.0 * (x / y); elseif (y <= 0.013) tmp = 100.0; else tmp = x * (100.0 / y); end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[y, -4.9e+36], N[(100.0 * N[(x / y), $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 0.013], 100.0, N[(x * N[(100.0 / y), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -4.9 \cdot 10^{+36}:\\
\;\;\;\;100 \cdot \frac{x}{y}\\
\mathbf{elif}\;y \leq 0.013:\\
\;\;\;\;100\\
\mathbf{else}:\\
\;\;\;\;x \cdot \frac{100}{y}\\
\end{array}
\end{array}
if y < -4.89999999999999981e36Initial program 99.8%
*-commutative99.8%
associate-/l*98.3%
Simplified98.3%
Taylor expanded in x around 0 74.8%
if -4.89999999999999981e36 < y < 0.0129999999999999994Initial program 99.8%
*-commutative99.8%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 81.8%
if 0.0129999999999999994 < y Initial program 99.7%
*-commutative99.7%
associate-/l*99.2%
Simplified99.2%
associate-/r/99.6%
Applied egg-rr99.6%
Taylor expanded in x around 0 86.1%
Final simplification81.7%
(FPCore (x y) :precision binary64 (if (<= y -4.7e+36) (* 100.0 (/ x y)) (if (<= y 3.4) 100.0 (/ x (/ y 100.0)))))
double code(double x, double y) {
double tmp;
if (y <= -4.7e+36) {
tmp = 100.0 * (x / y);
} else if (y <= 3.4) {
tmp = 100.0;
} else {
tmp = x / (y / 100.0);
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if (y <= (-4.7d+36)) then
tmp = 100.0d0 * (x / y)
else if (y <= 3.4d0) then
tmp = 100.0d0
else
tmp = x / (y / 100.0d0)
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if (y <= -4.7e+36) {
tmp = 100.0 * (x / y);
} else if (y <= 3.4) {
tmp = 100.0;
} else {
tmp = x / (y / 100.0);
}
return tmp;
}
def code(x, y): tmp = 0 if y <= -4.7e+36: tmp = 100.0 * (x / y) elif y <= 3.4: tmp = 100.0 else: tmp = x / (y / 100.0) return tmp
function code(x, y) tmp = 0.0 if (y <= -4.7e+36) tmp = Float64(100.0 * Float64(x / y)); elseif (y <= 3.4) tmp = 100.0; else tmp = Float64(x / Float64(y / 100.0)); end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if (y <= -4.7e+36) tmp = 100.0 * (x / y); elseif (y <= 3.4) tmp = 100.0; else tmp = x / (y / 100.0); end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[y, -4.7e+36], N[(100.0 * N[(x / y), $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 3.4], 100.0, N[(x / N[(y / 100.0), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -4.7 \cdot 10^{+36}:\\
\;\;\;\;100 \cdot \frac{x}{y}\\
\mathbf{elif}\;y \leq 3.4:\\
\;\;\;\;100\\
\mathbf{else}:\\
\;\;\;\;\frac{x}{\frac{y}{100}}\\
\end{array}
\end{array}
if y < -4.69999999999999989e36Initial program 99.8%
*-commutative99.8%
associate-/l*98.3%
Simplified98.3%
Taylor expanded in x around 0 74.8%
if -4.69999999999999989e36 < y < 3.39999999999999991Initial program 99.8%
*-commutative99.8%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 81.8%
if 3.39999999999999991 < y Initial program 99.7%
*-commutative99.7%
associate-/l*99.2%
Simplified99.2%
Taylor expanded in x around 0 86.0%
*-commutative86.0%
associate-/r/86.1%
Simplified86.1%
Final simplification81.7%
(FPCore (x y) :precision binary64 (if (<= y -2.45e+36) (/ (* x 100.0) y) (if (<= y 0.116) 100.0 (/ x (/ y 100.0)))))
double code(double x, double y) {
double tmp;
if (y <= -2.45e+36) {
tmp = (x * 100.0) / y;
} else if (y <= 0.116) {
tmp = 100.0;
} else {
tmp = x / (y / 100.0);
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if (y <= (-2.45d+36)) then
tmp = (x * 100.0d0) / y
else if (y <= 0.116d0) then
tmp = 100.0d0
else
tmp = x / (y / 100.0d0)
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if (y <= -2.45e+36) {
tmp = (x * 100.0) / y;
} else if (y <= 0.116) {
tmp = 100.0;
} else {
tmp = x / (y / 100.0);
}
return tmp;
}
def code(x, y): tmp = 0 if y <= -2.45e+36: tmp = (x * 100.0) / y elif y <= 0.116: tmp = 100.0 else: tmp = x / (y / 100.0) return tmp
function code(x, y) tmp = 0.0 if (y <= -2.45e+36) tmp = Float64(Float64(x * 100.0) / y); elseif (y <= 0.116) tmp = 100.0; else tmp = Float64(x / Float64(y / 100.0)); end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if (y <= -2.45e+36) tmp = (x * 100.0) / y; elseif (y <= 0.116) tmp = 100.0; else tmp = x / (y / 100.0); end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[y, -2.45e+36], N[(N[(x * 100.0), $MachinePrecision] / y), $MachinePrecision], If[LessEqual[y, 0.116], 100.0, N[(x / N[(y / 100.0), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.45 \cdot 10^{+36}:\\
\;\;\;\;\frac{x \cdot 100}{y}\\
\mathbf{elif}\;y \leq 0.116:\\
\;\;\;\;100\\
\mathbf{else}:\\
\;\;\;\;\frac{x}{\frac{y}{100}}\\
\end{array}
\end{array}
if y < -2.4499999999999999e36Initial program 99.8%
*-commutative99.8%
associate-/l*98.3%
Simplified98.3%
Taylor expanded in x around 0 74.8%
associate-*r/74.9%
Applied egg-rr74.9%
if -2.4499999999999999e36 < y < 0.116000000000000006Initial program 99.8%
*-commutative99.8%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 81.8%
if 0.116000000000000006 < y Initial program 99.7%
*-commutative99.7%
associate-/l*99.2%
Simplified99.2%
Taylor expanded in x around 0 86.0%
*-commutative86.0%
associate-/r/86.1%
Simplified86.1%
Final simplification81.7%
(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 99.7%
*-commutative99.7%
associate-/l*99.4%
Simplified99.4%
associate-/r/99.7%
Applied egg-rr99.7%
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 99.7%
*-commutative99.7%
associate-/l*99.4%
Simplified99.4%
Taylor expanded in x around inf 53.3%
Final simplification53.3%
(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 2024010
(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)))