
(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) 100.0)))
double code(double x, double y) {
return x / ((x + y) / 100.0);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = x / ((x + y) / 100.0d0)
end function
public static double code(double x, double y) {
return x / ((x + y) / 100.0);
}
def code(x, y): return x / ((x + y) / 100.0)
function code(x, y) return Float64(x / Float64(Float64(x + y) / 100.0)) end
function tmp = code(x, y) tmp = x / ((x + y) / 100.0); end
code[x_, y_] := N[(x / N[(N[(x + y), $MachinePrecision] / 100.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{x}{\frac{x + y}{100}}
\end{array}
Initial program 99.8%
associate-/l*99.8%
Simplified99.8%
Final simplification99.8%
(FPCore (x y) :precision binary64 (if (<= x -3.7e+52) 100.0 (if (<= x 1.76e-22) (* x (/ 100.0 y)) 100.0)))
double code(double x, double y) {
double tmp;
if (x <= -3.7e+52) {
tmp = 100.0;
} else if (x <= 1.76e-22) {
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 <= (-3.7d+52)) then
tmp = 100.0d0
else if (x <= 1.76d-22) 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 <= -3.7e+52) {
tmp = 100.0;
} else if (x <= 1.76e-22) {
tmp = x * (100.0 / y);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -3.7e+52: tmp = 100.0 elif x <= 1.76e-22: tmp = x * (100.0 / y) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -3.7e+52) tmp = 100.0; elseif (x <= 1.76e-22) 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 <= -3.7e+52) tmp = 100.0; elseif (x <= 1.76e-22) tmp = x * (100.0 / y); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -3.7e+52], 100.0, If[LessEqual[x, 1.76e-22], N[(x * N[(100.0 / y), $MachinePrecision]), $MachinePrecision], 100.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.7 \cdot 10^{+52}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq 1.76 \cdot 10^{-22}:\\
\;\;\;\;x \cdot \frac{100}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -3.7e52 or 1.76e-22 < x Initial program 99.8%
+-commutative99.8%
associate-*l/99.9%
+-commutative99.9%
Simplified99.9%
Taylor expanded in x around inf 84.0%
if -3.7e52 < x < 1.76e-22Initial program 99.8%
+-commutative99.8%
associate-*l/99.6%
+-commutative99.6%
Simplified99.6%
Taylor expanded in x around 0 81.5%
associate-*r/81.8%
*-commutative81.8%
associate-/l*81.8%
Simplified81.8%
div-inv81.7%
clear-num81.8%
*-commutative81.8%
Applied egg-rr81.8%
Final simplification82.8%
(FPCore (x y) :precision binary64 (if (<= x -4.4e+52) 100.0 (if (<= x 1.76e-22) (/ x (/ y 100.0)) 100.0)))
double code(double x, double y) {
double tmp;
if (x <= -4.4e+52) {
tmp = 100.0;
} else if (x <= 1.76e-22) {
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 <= (-4.4d+52)) then
tmp = 100.0d0
else if (x <= 1.76d-22) 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 <= -4.4e+52) {
tmp = 100.0;
} else if (x <= 1.76e-22) {
tmp = x / (y / 100.0);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -4.4e+52: tmp = 100.0 elif x <= 1.76e-22: tmp = x / (y / 100.0) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -4.4e+52) tmp = 100.0; elseif (x <= 1.76e-22) 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 <= -4.4e+52) tmp = 100.0; elseif (x <= 1.76e-22) tmp = x / (y / 100.0); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -4.4e+52], 100.0, If[LessEqual[x, 1.76e-22], N[(x / N[(y / 100.0), $MachinePrecision]), $MachinePrecision], 100.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -4.4 \cdot 10^{+52}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq 1.76 \cdot 10^{-22}:\\
\;\;\;\;\frac{x}{\frac{y}{100}}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -4.4e52 or 1.76e-22 < x Initial program 99.8%
+-commutative99.8%
associate-*l/99.9%
+-commutative99.9%
Simplified99.9%
Taylor expanded in x around inf 84.0%
if -4.4e52 < x < 1.76e-22Initial program 99.8%
+-commutative99.8%
associate-*l/99.6%
+-commutative99.6%
Simplified99.6%
Taylor expanded in x around 0 81.5%
associate-*r/81.8%
*-commutative81.8%
associate-/l*81.8%
Simplified81.8%
Final simplification82.8%
(FPCore (x y) :precision binary64 (if (<= x -6.5e+52) 100.0 (if (<= x 1.76e-22) (/ (* x 100.0) y) 100.0)))
double code(double x, double y) {
double tmp;
if (x <= -6.5e+52) {
tmp = 100.0;
} else if (x <= 1.76e-22) {
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 <= (-6.5d+52)) then
tmp = 100.0d0
else if (x <= 1.76d-22) 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 <= -6.5e+52) {
tmp = 100.0;
} else if (x <= 1.76e-22) {
tmp = (x * 100.0) / y;
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -6.5e+52: tmp = 100.0 elif x <= 1.76e-22: tmp = (x * 100.0) / y else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -6.5e+52) tmp = 100.0; elseif (x <= 1.76e-22) 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 <= -6.5e+52) tmp = 100.0; elseif (x <= 1.76e-22) tmp = (x * 100.0) / y; else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -6.5e+52], 100.0, If[LessEqual[x, 1.76e-22], N[(N[(x * 100.0), $MachinePrecision] / y), $MachinePrecision], 100.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -6.5 \cdot 10^{+52}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq 1.76 \cdot 10^{-22}:\\
\;\;\;\;\frac{x \cdot 100}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -6.49999999999999996e52 or 1.76e-22 < x Initial program 99.8%
+-commutative99.8%
associate-*l/99.9%
+-commutative99.9%
Simplified99.9%
Taylor expanded in x around inf 84.0%
if -6.49999999999999996e52 < x < 1.76e-22Initial program 99.8%
+-commutative99.8%
associate-*l/99.6%
+-commutative99.6%
Simplified99.6%
Taylor expanded in x around 0 81.5%
associate-*r/81.8%
Simplified81.8%
Final simplification82.8%
(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%
+-commutative99.7%
Simplified99.7%
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 99.8%
+-commutative99.8%
associate-*l/99.7%
+-commutative99.7%
Simplified99.7%
Taylor expanded in x around inf 48.7%
Final simplification48.7%
(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 2023320
(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)))