
(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 5 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 (* 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 99.0%
*-commutative99.0%
associate-/l*99.7%
Simplified99.7%
(FPCore (x y) :precision binary64 (if (or (<= y -3400.0) (not (<= y 1.6e+64))) (/ (* 100.0 x) y) 100.0))
double code(double x, double y) {
double tmp;
if ((y <= -3400.0) || !(y <= 1.6e+64)) {
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 <= (-3400.0d0)) .or. (.not. (y <= 1.6d+64))) 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 <= -3400.0) || !(y <= 1.6e+64)) {
tmp = (100.0 * x) / y;
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if (y <= -3400.0) or not (y <= 1.6e+64): tmp = (100.0 * x) / y else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if ((y <= -3400.0) || !(y <= 1.6e+64)) tmp = Float64(Float64(100.0 * x) / y); else tmp = 100.0; end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if ((y <= -3400.0) || ~((y <= 1.6e+64))) tmp = (100.0 * x) / y; else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[Or[LessEqual[y, -3400.0], N[Not[LessEqual[y, 1.6e+64]], $MachinePrecision]], N[(N[(100.0 * x), $MachinePrecision] / y), $MachinePrecision], 100.0]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -3400 \lor \neg \left(y \leq 1.6 \cdot 10^{+64}\right):\\
\;\;\;\;\frac{100 \cdot x}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if y < -3400 or 1.60000000000000009e64 < y Initial program 99.8%
*-commutative99.8%
associate-/l*99.7%
Simplified99.7%
Taylor expanded in x around 0 80.6%
associate-/l*80.8%
Simplified80.8%
if -3400 < y < 1.60000000000000009e64Initial program 98.4%
*-commutative98.4%
associate-/l*99.8%
Simplified99.8%
Taylor expanded in x around inf 76.2%
Final simplification78.2%
(FPCore (x y) :precision binary64 (if (or (<= y -3700.0) (not (<= y 4.6e+64))) (* x (/ 100.0 y)) 100.0))
double code(double x, double y) {
double tmp;
if ((y <= -3700.0) || !(y <= 4.6e+64)) {
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 <= (-3700.0d0)) .or. (.not. (y <= 4.6d+64))) 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 <= -3700.0) || !(y <= 4.6e+64)) {
tmp = x * (100.0 / y);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if (y <= -3700.0) or not (y <= 4.6e+64): tmp = x * (100.0 / y) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if ((y <= -3700.0) || !(y <= 4.6e+64)) 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 <= -3700.0) || ~((y <= 4.6e+64))) tmp = x * (100.0 / y); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[Or[LessEqual[y, -3700.0], N[Not[LessEqual[y, 4.6e+64]], $MachinePrecision]], N[(x * N[(100.0 / y), $MachinePrecision]), $MachinePrecision], 100.0]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -3700 \lor \neg \left(y \leq 4.6 \cdot 10^{+64}\right):\\
\;\;\;\;x \cdot \frac{100}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if y < -3700 or 4.6e64 < y Initial program 99.8%
associate-/l*99.7%
*-commutative99.7%
Applied egg-rr99.7%
Taylor expanded in x around 0 80.7%
if -3700 < y < 4.6e64Initial program 98.4%
*-commutative98.4%
associate-/l*99.8%
Simplified99.8%
Taylor expanded in x around inf 76.2%
Final simplification78.2%
(FPCore (x y) :precision binary64 (if (or (<= y -2900.0) (not (<= y 3.6e+64))) (* 100.0 (/ x y)) 100.0))
double code(double x, double y) {
double tmp;
if ((y <= -2900.0) || !(y <= 3.6e+64)) {
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 <= (-2900.0d0)) .or. (.not. (y <= 3.6d+64))) 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 <= -2900.0) || !(y <= 3.6e+64)) {
tmp = 100.0 * (x / y);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if (y <= -2900.0) or not (y <= 3.6e+64): tmp = 100.0 * (x / y) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if ((y <= -2900.0) || !(y <= 3.6e+64)) 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 <= -2900.0) || ~((y <= 3.6e+64))) tmp = 100.0 * (x / y); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[Or[LessEqual[y, -2900.0], N[Not[LessEqual[y, 3.6e+64]], $MachinePrecision]], N[(100.0 * N[(x / y), $MachinePrecision]), $MachinePrecision], 100.0]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2900 \lor \neg \left(y \leq 3.6 \cdot 10^{+64}\right):\\
\;\;\;\;100 \cdot \frac{x}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if y < -2900 or 3.60000000000000014e64 < y Initial program 99.8%
*-commutative99.8%
associate-/l*99.7%
Simplified99.7%
Taylor expanded in x around 0 80.6%
if -2900 < y < 3.60000000000000014e64Initial program 98.4%
*-commutative98.4%
associate-/l*99.8%
Simplified99.8%
Taylor expanded in x around inf 76.2%
Final simplification78.2%
(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 99.0%
*-commutative99.0%
associate-/l*99.7%
Simplified99.7%
Taylor expanded in x around inf 51.8%
(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 2024087
(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)))