
(FPCore (x y) :precision binary64 (let* ((t_0 (/ x (* y 2.0)))) (/ (tan t_0) (sin t_0))))
double code(double x, double y) {
double t_0 = x / (y * 2.0);
return tan(t_0) / sin(t_0);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: t_0
t_0 = x / (y * 2.0d0)
code = tan(t_0) / sin(t_0)
end function
public static double code(double x, double y) {
double t_0 = x / (y * 2.0);
return Math.tan(t_0) / Math.sin(t_0);
}
def code(x, y): t_0 = x / (y * 2.0) return math.tan(t_0) / math.sin(t_0)
function code(x, y) t_0 = Float64(x / Float64(y * 2.0)) return Float64(tan(t_0) / sin(t_0)) end
function tmp = code(x, y) t_0 = x / (y * 2.0); tmp = tan(t_0) / sin(t_0); end
code[x_, y_] := Block[{t$95$0 = N[(x / N[(y * 2.0), $MachinePrecision]), $MachinePrecision]}, N[(N[Tan[t$95$0], $MachinePrecision] / N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{x}{y \cdot 2}\\
\frac{\tan t\_0}{\sin t\_0}
\end{array}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 5 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y) :precision binary64 (let* ((t_0 (/ x (* y 2.0)))) (/ (tan t_0) (sin t_0))))
double code(double x, double y) {
double t_0 = x / (y * 2.0);
return tan(t_0) / sin(t_0);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: t_0
t_0 = x / (y * 2.0d0)
code = tan(t_0) / sin(t_0)
end function
public static double code(double x, double y) {
double t_0 = x / (y * 2.0);
return Math.tan(t_0) / Math.sin(t_0);
}
def code(x, y): t_0 = x / (y * 2.0) return math.tan(t_0) / math.sin(t_0)
function code(x, y) t_0 = Float64(x / Float64(y * 2.0)) return Float64(tan(t_0) / sin(t_0)) end
function tmp = code(x, y) t_0 = x / (y * 2.0); tmp = tan(t_0) / sin(t_0); end
code[x_, y_] := Block[{t$95$0 = N[(x / N[(y * 2.0), $MachinePrecision]), $MachinePrecision]}, N[(N[Tan[t$95$0], $MachinePrecision] / N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{x}{y \cdot 2}\\
\frac{\tan t\_0}{\sin t\_0}
\end{array}
\end{array}
(FPCore (x y) :precision binary64 (/ 1.0 (cos (/ (* x (pow (cbrt -0.5) 3.0)) y))))
double code(double x, double y) {
return 1.0 / cos(((x * pow(cbrt(-0.5), 3.0)) / y));
}
public static double code(double x, double y) {
return 1.0 / Math.cos(((x * Math.pow(Math.cbrt(-0.5), 3.0)) / y));
}
function code(x, y) return Float64(1.0 / cos(Float64(Float64(x * (cbrt(-0.5) ^ 3.0)) / y))) end
code[x_, y_] := N[(1.0 / N[Cos[N[(N[(x * N[Power[N[Power[-0.5, 1/3], $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{1}{\cos \left(\frac{x \cdot {\left(\sqrt[3]{-0.5}\right)}^{3}}{y}\right)}
\end{array}
Initial program 44.7%
remove-double-neg44.7%
distribute-frac-neg44.7%
tan-neg44.7%
distribute-frac-neg244.7%
distribute-lft-neg-out44.7%
distribute-frac-neg244.7%
distribute-lft-neg-out44.7%
distribute-frac-neg244.7%
distribute-frac-neg44.7%
neg-mul-144.7%
*-commutative44.7%
associate-/l*44.2%
*-commutative44.2%
associate-/r*44.2%
metadata-eval44.2%
sin-neg44.2%
distribute-frac-neg44.2%
Simplified44.6%
Taylor expanded in x around inf 58.0%
associate-*r/58.0%
*-commutative58.0%
associate-*r/57.9%
Simplified57.9%
add-cube-cbrt57.9%
pow357.9%
Applied egg-rr57.9%
Taylor expanded in x around inf 58.3%
(FPCore (x y) :precision binary64 (cbrt (pow (/ 1.0 (cos (/ x (* y -2.0)))) 3.0)))
double code(double x, double y) {
return cbrt(pow((1.0 / cos((x / (y * -2.0)))), 3.0));
}
public static double code(double x, double y) {
return Math.cbrt(Math.pow((1.0 / Math.cos((x / (y * -2.0)))), 3.0));
}
function code(x, y) return cbrt((Float64(1.0 / cos(Float64(x / Float64(y * -2.0)))) ^ 3.0)) end
code[x_, y_] := N[Power[N[Power[N[(1.0 / N[Cos[N[(x / N[(y * -2.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision], 1/3], $MachinePrecision]
\begin{array}{l}
\\
\sqrt[3]{{\left(\frac{1}{\cos \left(\frac{x}{y \cdot -2}\right)}\right)}^{3}}
\end{array}
Initial program 44.7%
Taylor expanded in x around inf 58.0%
add-cbrt-cube58.0%
pow358.0%
Applied egg-rr58.0%
(FPCore (x y) :precision binary64 (/ 1.0 (log (exp (cos (/ x (* y -2.0)))))))
double code(double x, double y) {
return 1.0 / log(exp(cos((x / (y * -2.0)))));
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = 1.0d0 / log(exp(cos((x / (y * (-2.0d0))))))
end function
public static double code(double x, double y) {
return 1.0 / Math.log(Math.exp(Math.cos((x / (y * -2.0)))));
}
def code(x, y): return 1.0 / math.log(math.exp(math.cos((x / (y * -2.0)))))
function code(x, y) return Float64(1.0 / log(exp(cos(Float64(x / Float64(y * -2.0)))))) end
function tmp = code(x, y) tmp = 1.0 / log(exp(cos((x / (y * -2.0))))); end
code[x_, y_] := N[(1.0 / N[Log[N[Exp[N[Cos[N[(x / N[(y * -2.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]], $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{1}{\log \left(e^{\cos \left(\frac{x}{y \cdot -2}\right)}\right)}
\end{array}
Initial program 44.7%
Taylor expanded in x around inf 58.0%
metadata-eval58.0%
add-sqr-sqrt37.5%
fabs-sqr37.5%
add-sqr-sqrt58.0%
fabs-mul58.0%
associate-*r/58.0%
*-commutative58.0%
associate-*r/57.9%
add-sqr-sqrt33.7%
fabs-sqr33.7%
add-sqr-sqrt57.9%
add-log-exp57.9%
clear-num57.9%
un-div-inv58.0%
div-inv58.0%
metadata-eval58.0%
Applied egg-rr58.0%
(FPCore (x y) :precision binary64 (/ 1.0 (cos (* 0.5 (/ x y)))))
double code(double x, double y) {
return 1.0 / cos((0.5 * (x / y)));
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = 1.0d0 / cos((0.5d0 * (x / y)))
end function
public static double code(double x, double y) {
return 1.0 / Math.cos((0.5 * (x / y)));
}
def code(x, y): return 1.0 / math.cos((0.5 * (x / y)))
function code(x, y) return Float64(1.0 / cos(Float64(0.5 * Float64(x / y)))) end
function tmp = code(x, y) tmp = 1.0 / cos((0.5 * (x / y))); end
code[x_, y_] := N[(1.0 / N[Cos[N[(0.5 * N[(x / y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{1}{\cos \left(0.5 \cdot \frac{x}{y}\right)}
\end{array}
Initial program 44.7%
Taylor expanded in x around inf 58.0%
(FPCore (x y) :precision binary64 1.0)
double code(double x, double y) {
return 1.0;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = 1.0d0
end function
public static double code(double x, double y) {
return 1.0;
}
def code(x, y): return 1.0
function code(x, y) return 1.0 end
function tmp = code(x, y) tmp = 1.0; end
code[x_, y_] := 1.0
\begin{array}{l}
\\
1
\end{array}
Initial program 44.7%
remove-double-neg44.7%
distribute-frac-neg44.7%
tan-neg44.7%
distribute-frac-neg244.7%
distribute-lft-neg-out44.7%
distribute-frac-neg244.7%
distribute-lft-neg-out44.7%
distribute-frac-neg244.7%
distribute-frac-neg44.7%
neg-mul-144.7%
*-commutative44.7%
associate-/l*44.2%
*-commutative44.2%
associate-/r*44.2%
metadata-eval44.2%
sin-neg44.2%
distribute-frac-neg44.2%
Simplified44.6%
Taylor expanded in x around 0 56.8%
(FPCore (x y)
:precision binary64
(let* ((t_0 (/ x (* y 2.0))) (t_1 (sin t_0)))
(if (< y -1.2303690911306994e+114)
1.0
(if (< y -9.102852406811914e-222)
(/ t_1 (* t_1 (log (exp (cos t_0)))))
1.0))))
double code(double x, double y) {
double t_0 = x / (y * 2.0);
double t_1 = sin(t_0);
double tmp;
if (y < -1.2303690911306994e+114) {
tmp = 1.0;
} else if (y < -9.102852406811914e-222) {
tmp = t_1 / (t_1 * log(exp(cos(t_0))));
} else {
tmp = 1.0;
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: t_0
real(8) :: t_1
real(8) :: tmp
t_0 = x / (y * 2.0d0)
t_1 = sin(t_0)
if (y < (-1.2303690911306994d+114)) then
tmp = 1.0d0
else if (y < (-9.102852406811914d-222)) then
tmp = t_1 / (t_1 * log(exp(cos(t_0))))
else
tmp = 1.0d0
end if
code = tmp
end function
public static double code(double x, double y) {
double t_0 = x / (y * 2.0);
double t_1 = Math.sin(t_0);
double tmp;
if (y < -1.2303690911306994e+114) {
tmp = 1.0;
} else if (y < -9.102852406811914e-222) {
tmp = t_1 / (t_1 * Math.log(Math.exp(Math.cos(t_0))));
} else {
tmp = 1.0;
}
return tmp;
}
def code(x, y): t_0 = x / (y * 2.0) t_1 = math.sin(t_0) tmp = 0 if y < -1.2303690911306994e+114: tmp = 1.0 elif y < -9.102852406811914e-222: tmp = t_1 / (t_1 * math.log(math.exp(math.cos(t_0)))) else: tmp = 1.0 return tmp
function code(x, y) t_0 = Float64(x / Float64(y * 2.0)) t_1 = sin(t_0) tmp = 0.0 if (y < -1.2303690911306994e+114) tmp = 1.0; elseif (y < -9.102852406811914e-222) tmp = Float64(t_1 / Float64(t_1 * log(exp(cos(t_0))))); else tmp = 1.0; end return tmp end
function tmp_2 = code(x, y) t_0 = x / (y * 2.0); t_1 = sin(t_0); tmp = 0.0; if (y < -1.2303690911306994e+114) tmp = 1.0; elseif (y < -9.102852406811914e-222) tmp = t_1 / (t_1 * log(exp(cos(t_0)))); else tmp = 1.0; end tmp_2 = tmp; end
code[x_, y_] := Block[{t$95$0 = N[(x / N[(y * 2.0), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[Sin[t$95$0], $MachinePrecision]}, If[Less[y, -1.2303690911306994e+114], 1.0, If[Less[y, -9.102852406811914e-222], N[(t$95$1 / N[(t$95$1 * N[Log[N[Exp[N[Cos[t$95$0], $MachinePrecision]], $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 1.0]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{x}{y \cdot 2}\\
t_1 := \sin t\_0\\
\mathbf{if}\;y < -1.2303690911306994 \cdot 10^{+114}:\\
\;\;\;\;1\\
\mathbf{elif}\;y < -9.102852406811914 \cdot 10^{-222}:\\
\;\;\;\;\frac{t\_1}{t\_1 \cdot \log \left(e^{\cos t\_0}\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
herbie shell --seed 2024087
(FPCore (x y)
:name "Diagrams.TwoD.Layout.CirclePacking:approxRadius from diagrams-contrib-1.3.0.5"
:precision binary64
:alt
(if (< y -1.2303690911306994e+114) 1.0 (if (< y -9.102852406811914e-222) (/ (sin (/ x (* y 2.0))) (* (sin (/ x (* y 2.0))) (log (exp (cos (/ x (* y 2.0))))))) 1.0))
(/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0)))))