
(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 99.8%
(FPCore (x y) :precision binary64 (if (or (<= y -3e+30) (not (<= y 29500.0))) (* x (/ 100.0 y)) 100.0))
double code(double x, double y) {
double tmp;
if ((y <= -3e+30) || !(y <= 29500.0)) {
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 ((y <= (-3d+30)) .or. (.not. (y <= 29500.0d0))) 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 ((y <= -3e+30) || !(y <= 29500.0)) {
tmp = x * (100.0 / y);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if (y <= -3e+30) or not (y <= 29500.0): tmp = x * (100.0 / y) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if ((y <= -3e+30) || !(y <= 29500.0)) 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 ((y <= -3e+30) || ~((y <= 29500.0))) tmp = x * (100.0 / y); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[Or[LessEqual[y, -3e+30], N[Not[LessEqual[y, 29500.0]], $MachinePrecision]], N[(x * N[(100.0 / y), $MachinePrecision]), $MachinePrecision], 100.0]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -3 \cdot 10^{+30} \lor \neg \left(y \leq 29500\right):\\
\;\;\;\;x \cdot \frac{100}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if y < -2.99999999999999978e30 or 29500 < y Initial program 99.8%
*-commutative99.8%
associate-/l*99.4%
Simplified99.4%
Taylor expanded in x around 0 76.7%
associate-*r/77.1%
*-commutative77.1%
associate-*r/77.1%
Simplified77.1%
if -2.99999999999999978e30 < y < 29500Initial program 99.8%
*-commutative99.8%
associate-/l*99.8%
Simplified99.8%
Taylor expanded in x around inf 78.9%
Final simplification78.0%
(FPCore (x y) :precision binary64 (if (or (<= y -3e+30) (not (<= y 720000.0))) (* 100.0 (/ x y)) 100.0))
double code(double x, double y) {
double tmp;
if ((y <= -3e+30) || !(y <= 720000.0)) {
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 <= (-3d+30)) .or. (.not. (y <= 720000.0d0))) 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 <= -3e+30) || !(y <= 720000.0)) {
tmp = 100.0 * (x / y);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if (y <= -3e+30) or not (y <= 720000.0): tmp = 100.0 * (x / y) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if ((y <= -3e+30) || !(y <= 720000.0)) 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 <= -3e+30) || ~((y <= 720000.0))) tmp = 100.0 * (x / y); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[Or[LessEqual[y, -3e+30], N[Not[LessEqual[y, 720000.0]], $MachinePrecision]], N[(100.0 * N[(x / y), $MachinePrecision]), $MachinePrecision], 100.0]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -3 \cdot 10^{+30} \lor \neg \left(y \leq 720000\right):\\
\;\;\;\;100 \cdot \frac{x}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if y < -2.99999999999999978e30 or 7.2e5 < y Initial program 99.8%
*-commutative99.8%
associate-/l*99.4%
Simplified99.4%
Taylor expanded in x around 0 76.7%
if -2.99999999999999978e30 < y < 7.2e5Initial program 99.8%
*-commutative99.8%
associate-/l*99.8%
Simplified99.8%
Taylor expanded in x around inf 78.9%
Final simplification77.8%
(FPCore (x y) :precision binary64 (if (<= y -3.1e+30) (* x (/ 100.0 y)) (if (<= y 2.0) 100.0 (/ (* x 100.0) y))))
double code(double x, double y) {
double tmp;
if (y <= -3.1e+30) {
tmp = x * (100.0 / y);
} else if (y <= 2.0) {
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 <= (-3.1d+30)) then
tmp = x * (100.0d0 / y)
else if (y <= 2.0d0) 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 <= -3.1e+30) {
tmp = x * (100.0 / y);
} else if (y <= 2.0) {
tmp = 100.0;
} else {
tmp = (x * 100.0) / y;
}
return tmp;
}
def code(x, y): tmp = 0 if y <= -3.1e+30: tmp = x * (100.0 / y) elif y <= 2.0: tmp = 100.0 else: tmp = (x * 100.0) / y return tmp
function code(x, y) tmp = 0.0 if (y <= -3.1e+30) tmp = Float64(x * Float64(100.0 / y)); elseif (y <= 2.0) tmp = 100.0; else tmp = Float64(Float64(x * 100.0) / y); end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if (y <= -3.1e+30) tmp = x * (100.0 / y); elseif (y <= 2.0) tmp = 100.0; else tmp = (x * 100.0) / y; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[y, -3.1e+30], N[(x * N[(100.0 / y), $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 2.0], 100.0, N[(N[(x * 100.0), $MachinePrecision] / y), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -3.1 \cdot 10^{+30}:\\
\;\;\;\;x \cdot \frac{100}{y}\\
\mathbf{elif}\;y \leq 2:\\
\;\;\;\;100\\
\mathbf{else}:\\
\;\;\;\;\frac{x \cdot 100}{y}\\
\end{array}
\end{array}
if y < -3.0999999999999998e30Initial program 99.7%
*-commutative99.7%
associate-/l*99.5%
Simplified99.5%
Taylor expanded in x around 0 80.2%
associate-*r/80.5%
*-commutative80.5%
associate-*r/80.5%
Simplified80.5%
if -3.0999999999999998e30 < y < 2Initial program 99.8%
*-commutative99.8%
associate-/l*99.8%
Simplified99.8%
Taylor expanded in x around inf 78.9%
if 2 < y Initial program 99.8%
Taylor expanded in x around 0 74.9%
(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*99.7%
*-commutative99.7%
Applied egg-rr99.7%
Final simplification99.7%
(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*99.6%
Simplified99.6%
(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*99.6%
Simplified99.6%
Taylor expanded in x around inf 50.6%
(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 2024121
(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)))