
(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 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 (<= x -5e+83)
100.0
(if (or (<= x -94.0) (and (not (<= x -1.45e-42)) (<= x 1.05e+83)))
(* 100.0 (/ x y))
100.0)))
double code(double x, double y) {
double tmp;
if (x <= -5e+83) {
tmp = 100.0;
} else if ((x <= -94.0) || (!(x <= -1.45e-42) && (x <= 1.05e+83))) {
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 <= (-5d+83)) then
tmp = 100.0d0
else if ((x <= (-94.0d0)) .or. (.not. (x <= (-1.45d-42))) .and. (x <= 1.05d+83)) 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 <= -5e+83) {
tmp = 100.0;
} else if ((x <= -94.0) || (!(x <= -1.45e-42) && (x <= 1.05e+83))) {
tmp = 100.0 * (x / y);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -5e+83: tmp = 100.0 elif (x <= -94.0) or (not (x <= -1.45e-42) and (x <= 1.05e+83)): tmp = 100.0 * (x / y) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -5e+83) tmp = 100.0; elseif ((x <= -94.0) || (!(x <= -1.45e-42) && (x <= 1.05e+83))) 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 <= -5e+83) tmp = 100.0; elseif ((x <= -94.0) || (~((x <= -1.45e-42)) && (x <= 1.05e+83))) tmp = 100.0 * (x / y); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -5e+83], 100.0, If[Or[LessEqual[x, -94.0], And[N[Not[LessEqual[x, -1.45e-42]], $MachinePrecision], LessEqual[x, 1.05e+83]]], N[(100.0 * N[(x / y), $MachinePrecision]), $MachinePrecision], 100.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5 \cdot 10^{+83}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq -94 \lor \neg \left(x \leq -1.45 \cdot 10^{-42}\right) \land x \leq 1.05 \cdot 10^{+83}:\\
\;\;\;\;100 \cdot \frac{x}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -5.00000000000000029e83 or -94 < x < -1.4500000000000001e-42 or 1.05000000000000001e83 < x Initial program 99.8%
*-commutative99.8%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 82.7%
if -5.00000000000000029e83 < x < -94 or -1.4500000000000001e-42 < x < 1.05000000000000001e83Initial program 99.7%
*-commutative99.7%
associate-/l*99.5%
Simplified99.5%
Taylor expanded in x around 0 77.3%
Final simplification79.4%
(FPCore (x y)
:precision binary64
(if (<= x -5e+83)
100.0
(if (or (<= x -85.0) (and (not (<= x -1.25e-42)) (<= x 6.8e+82)))
(* x (/ 100.0 y))
100.0)))
double code(double x, double y) {
double tmp;
if (x <= -5e+83) {
tmp = 100.0;
} else if ((x <= -85.0) || (!(x <= -1.25e-42) && (x <= 6.8e+82))) {
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 <= (-5d+83)) then
tmp = 100.0d0
else if ((x <= (-85.0d0)) .or. (.not. (x <= (-1.25d-42))) .and. (x <= 6.8d+82)) 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 <= -5e+83) {
tmp = 100.0;
} else if ((x <= -85.0) || (!(x <= -1.25e-42) && (x <= 6.8e+82))) {
tmp = x * (100.0 / y);
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -5e+83: tmp = 100.0 elif (x <= -85.0) or (not (x <= -1.25e-42) and (x <= 6.8e+82)): tmp = x * (100.0 / y) else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -5e+83) tmp = 100.0; elseif ((x <= -85.0) || (!(x <= -1.25e-42) && (x <= 6.8e+82))) 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 <= -5e+83) tmp = 100.0; elseif ((x <= -85.0) || (~((x <= -1.25e-42)) && (x <= 6.8e+82))) tmp = x * (100.0 / y); else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -5e+83], 100.0, If[Or[LessEqual[x, -85.0], And[N[Not[LessEqual[x, -1.25e-42]], $MachinePrecision], LessEqual[x, 6.8e+82]]], N[(x * N[(100.0 / y), $MachinePrecision]), $MachinePrecision], 100.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5 \cdot 10^{+83}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq -85 \lor \neg \left(x \leq -1.25 \cdot 10^{-42}\right) \land x \leq 6.8 \cdot 10^{+82}:\\
\;\;\;\;x \cdot \frac{100}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -5.00000000000000029e83 or -85 < x < -1.25000000000000001e-42 or 6.79999999999999989e82 < x Initial program 99.8%
*-commutative99.8%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 82.7%
if -5.00000000000000029e83 < x < -85 or -1.25000000000000001e-42 < x < 6.79999999999999989e82Initial program 99.7%
*-commutative99.7%
associate-/l*99.5%
Simplified99.5%
Taylor expanded in x around 0 77.3%
associate-*r/77.3%
associate-/l*77.1%
associate-/r/77.3%
Simplified77.3%
Final simplification79.4%
(FPCore (x y)
:precision binary64
(if (<= x -5e+83)
100.0
(if (<= x -175.0)
(* x (/ 100.0 y))
(if (<= x -5.5e-43) 100.0 (if (<= x 1.15e+83) (/ (* x 100.0) y) 100.0)))))
double code(double x, double y) {
double tmp;
if (x <= -5e+83) {
tmp = 100.0;
} else if (x <= -175.0) {
tmp = x * (100.0 / y);
} else if (x <= -5.5e-43) {
tmp = 100.0;
} else if (x <= 1.15e+83) {
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 <= (-5d+83)) then
tmp = 100.0d0
else if (x <= (-175.0d0)) then
tmp = x * (100.0d0 / y)
else if (x <= (-5.5d-43)) then
tmp = 100.0d0
else if (x <= 1.15d+83) 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 <= -5e+83) {
tmp = 100.0;
} else if (x <= -175.0) {
tmp = x * (100.0 / y);
} else if (x <= -5.5e-43) {
tmp = 100.0;
} else if (x <= 1.15e+83) {
tmp = (x * 100.0) / y;
} else {
tmp = 100.0;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -5e+83: tmp = 100.0 elif x <= -175.0: tmp = x * (100.0 / y) elif x <= -5.5e-43: tmp = 100.0 elif x <= 1.15e+83: tmp = (x * 100.0) / y else: tmp = 100.0 return tmp
function code(x, y) tmp = 0.0 if (x <= -5e+83) tmp = 100.0; elseif (x <= -175.0) tmp = Float64(x * Float64(100.0 / y)); elseif (x <= -5.5e-43) tmp = 100.0; elseif (x <= 1.15e+83) 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 <= -5e+83) tmp = 100.0; elseif (x <= -175.0) tmp = x * (100.0 / y); elseif (x <= -5.5e-43) tmp = 100.0; elseif (x <= 1.15e+83) tmp = (x * 100.0) / y; else tmp = 100.0; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -5e+83], 100.0, If[LessEqual[x, -175.0], N[(x * N[(100.0 / y), $MachinePrecision]), $MachinePrecision], If[LessEqual[x, -5.5e-43], 100.0, If[LessEqual[x, 1.15e+83], N[(N[(x * 100.0), $MachinePrecision] / y), $MachinePrecision], 100.0]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5 \cdot 10^{+83}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq -175:\\
\;\;\;\;x \cdot \frac{100}{y}\\
\mathbf{elif}\;x \leq -5.5 \cdot 10^{-43}:\\
\;\;\;\;100\\
\mathbf{elif}\;x \leq 1.15 \cdot 10^{+83}:\\
\;\;\;\;\frac{x \cdot 100}{y}\\
\mathbf{else}:\\
\;\;\;\;100\\
\end{array}
\end{array}
if x < -5.00000000000000029e83 or -175 < x < -5.50000000000000013e-43 or 1.14999999999999997e83 < x Initial program 99.8%
*-commutative99.8%
associate-/l*99.9%
Simplified99.9%
Taylor expanded in x around inf 82.7%
if -5.00000000000000029e83 < x < -175Initial program 99.3%
*-commutative99.3%
associate-/l*99.6%
Simplified99.6%
Taylor expanded in x around 0 92.7%
associate-*r/92.5%
associate-/l*92.7%
associate-/r/92.8%
Simplified92.8%
if -5.50000000000000013e-43 < x < 1.14999999999999997e83Initial program 99.7%
*-commutative99.7%
associate-/l*99.5%
Simplified99.5%
Taylor expanded in x around 0 75.5%
*-commutative75.5%
associate-*l/75.6%
Applied egg-rr75.6%
Final simplification79.4%
(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 99.7%
*-commutative99.7%
associate-/l*99.7%
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 99.7%
*-commutative99.7%
associate-/l*99.7%
Simplified99.7%
Taylor expanded in x around inf 46.3%
Final simplification46.3%
(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 2024031
(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)))