
(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 7 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 (pow (cbrt (cos (pow (pow (cbrt (/ (* -0.5 x) y)) 2.0) 1.5))) -3.0))
double code(double x, double y) {
return pow(cbrt(cos(pow(pow(cbrt(((-0.5 * x) / y)), 2.0), 1.5))), -3.0);
}
public static double code(double x, double y) {
return Math.pow(Math.cbrt(Math.cos(Math.pow(Math.pow(Math.cbrt(((-0.5 * x) / y)), 2.0), 1.5))), -3.0);
}
function code(x, y) return cbrt(cos(((cbrt(Float64(Float64(-0.5 * x) / y)) ^ 2.0) ^ 1.5))) ^ -3.0 end
code[x_, y_] := N[Power[N[Power[N[Cos[N[Power[N[Power[N[Power[N[(N[(-0.5 * x), $MachinePrecision] / y), $MachinePrecision], 1/3], $MachinePrecision], 2.0], $MachinePrecision], 1.5], $MachinePrecision]], $MachinePrecision], 1/3], $MachinePrecision], -3.0], $MachinePrecision]
\begin{array}{l}
\\
{\left(\sqrt[3]{\cos \left({\left({\left(\sqrt[3]{\frac{-0.5 \cdot x}{y}}\right)}^{2}\right)}^{1.5}\right)}\right)}^{-3}
\end{array}
Initial program 46.5%
remove-double-neg46.5%
distribute-frac-neg46.5%
tan-neg46.5%
distribute-frac-neg246.5%
distribute-lft-neg-out46.5%
distribute-frac-neg246.5%
distribute-lft-neg-out46.5%
distribute-frac-neg246.5%
distribute-frac-neg46.5%
neg-mul-146.5%
*-commutative46.5%
associate-/l*46.7%
*-commutative46.7%
associate-/r*46.7%
metadata-eval46.7%
sin-neg46.7%
distribute-frac-neg46.7%
Simplified46.4%
Taylor expanded in x around inf 57.8%
associate-*r/57.8%
Simplified57.8%
Applied egg-rr57.8%
log1p-expm1-u57.8%
rem-cube-cbrt57.8%
cbrt-div57.8%
metadata-eval57.8%
inv-pow57.8%
pow-pow57.8%
metadata-eval57.8%
Applied egg-rr57.8%
associate-*r/57.8%
associate-*l/57.7%
*-commutative57.7%
add-cube-cbrt58.4%
unpow357.9%
sqr-pow35.2%
pow-prod-down58.6%
Applied egg-rr58.2%
Final simplification58.2%
(FPCore (x y) :precision binary64 (let* ((t_0 (cbrt (/ (* -0.5 x) y)))) (/ 1.0 (cos (* t_0 (pow t_0 2.0))))))
double code(double x, double y) {
double t_0 = cbrt(((-0.5 * x) / y));
return 1.0 / cos((t_0 * pow(t_0, 2.0)));
}
public static double code(double x, double y) {
double t_0 = Math.cbrt(((-0.5 * x) / y));
return 1.0 / Math.cos((t_0 * Math.pow(t_0, 2.0)));
}
function code(x, y) t_0 = cbrt(Float64(Float64(-0.5 * x) / y)) return Float64(1.0 / cos(Float64(t_0 * (t_0 ^ 2.0)))) end
code[x_, y_] := Block[{t$95$0 = N[Power[N[(N[(-0.5 * x), $MachinePrecision] / y), $MachinePrecision], 1/3], $MachinePrecision]}, N[(1.0 / N[Cos[N[(t$95$0 * N[Power[t$95$0, 2.0], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \sqrt[3]{\frac{-0.5 \cdot x}{y}}\\
\frac{1}{\cos \left(t\_0 \cdot {t\_0}^{2}\right)}
\end{array}
\end{array}
Initial program 46.5%
Taylor expanded in x around inf 46.2%
*-commutative46.2%
associate-*l/46.5%
associate-*r/45.9%
*-commutative45.9%
associate-*l/45.9%
associate-*r/46.7%
Simplified46.7%
Taylor expanded in x around inf 57.8%
associate-*r/57.8%
*-commutative57.8%
associate-*r/57.7%
Simplified57.7%
associate-*r/57.8%
associate-*l/57.8%
*-commutative57.8%
clear-num57.5%
un-div-inv57.5%
Applied egg-rr57.5%
add-sqr-sqrt34.2%
sqrt-unprod55.2%
div-inv55.2%
clear-num55.6%
div-inv55.6%
clear-num55.6%
swap-sqr55.6%
metadata-eval55.6%
metadata-eval55.6%
swap-sqr55.6%
sqrt-unprod35.0%
add-sqr-sqrt57.8%
associate-*r/57.8%
associate-*l/57.7%
*-commutative57.7%
add-cube-cbrt58.4%
Applied egg-rr58.1%
Final simplification58.1%
(FPCore (x y) :precision binary64 (pow (cbrt (cos (/ (/ 0.5 y) (/ 1.0 x)))) -3.0))
double code(double x, double y) {
return pow(cbrt(cos(((0.5 / y) / (1.0 / x)))), -3.0);
}
public static double code(double x, double y) {
return Math.pow(Math.cbrt(Math.cos(((0.5 / y) / (1.0 / x)))), -3.0);
}
function code(x, y) return cbrt(cos(Float64(Float64(0.5 / y) / Float64(1.0 / x)))) ^ -3.0 end
code[x_, y_] := N[Power[N[Power[N[Cos[N[(N[(0.5 / y), $MachinePrecision] / N[(1.0 / x), $MachinePrecision]), $MachinePrecision]], $MachinePrecision], 1/3], $MachinePrecision], -3.0], $MachinePrecision]
\begin{array}{l}
\\
{\left(\sqrt[3]{\cos \left(\frac{\frac{0.5}{y}}{\frac{1}{x}}\right)}\right)}^{-3}
\end{array}
Initial program 46.5%
remove-double-neg46.5%
distribute-frac-neg46.5%
tan-neg46.5%
distribute-frac-neg246.5%
distribute-lft-neg-out46.5%
distribute-frac-neg246.5%
distribute-lft-neg-out46.5%
distribute-frac-neg246.5%
distribute-frac-neg46.5%
neg-mul-146.5%
*-commutative46.5%
associate-/l*46.7%
*-commutative46.7%
associate-/r*46.7%
metadata-eval46.7%
sin-neg46.7%
distribute-frac-neg46.7%
Simplified46.4%
Taylor expanded in x around inf 57.8%
associate-*r/57.8%
Simplified57.8%
Applied egg-rr57.8%
log1p-expm1-u57.8%
rem-cube-cbrt57.8%
cbrt-div57.8%
metadata-eval57.8%
inv-pow57.8%
pow-pow57.8%
metadata-eval57.8%
Applied egg-rr57.8%
add-sqr-sqrt35.0%
sqrt-unprod55.6%
swap-sqr55.6%
metadata-eval55.6%
metadata-eval55.6%
swap-sqr55.6%
clear-num55.6%
div-inv55.6%
clear-num55.2%
div-inv55.2%
sqrt-unprod34.2%
add-sqr-sqrt57.6%
div-inv57.4%
associate-/r*57.9%
Applied egg-rr57.9%
Final simplification57.9%
(FPCore (x y) :precision binary64 (pow (cbrt (cos (* -0.5 (/ x y)))) -3.0))
double code(double x, double y) {
return pow(cbrt(cos((-0.5 * (x / y)))), -3.0);
}
public static double code(double x, double y) {
return Math.pow(Math.cbrt(Math.cos((-0.5 * (x / y)))), -3.0);
}
function code(x, y) return cbrt(cos(Float64(-0.5 * Float64(x / y)))) ^ -3.0 end
code[x_, y_] := N[Power[N[Power[N[Cos[N[(-0.5 * N[(x / y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision], 1/3], $MachinePrecision], -3.0], $MachinePrecision]
\begin{array}{l}
\\
{\left(\sqrt[3]{\cos \left(-0.5 \cdot \frac{x}{y}\right)}\right)}^{-3}
\end{array}
Initial program 46.5%
remove-double-neg46.5%
distribute-frac-neg46.5%
tan-neg46.5%
distribute-frac-neg246.5%
distribute-lft-neg-out46.5%
distribute-frac-neg246.5%
distribute-lft-neg-out46.5%
distribute-frac-neg246.5%
distribute-frac-neg46.5%
neg-mul-146.5%
*-commutative46.5%
associate-/l*46.7%
*-commutative46.7%
associate-/r*46.7%
metadata-eval46.7%
sin-neg46.7%
distribute-frac-neg46.7%
Simplified46.4%
Taylor expanded in x around inf 57.8%
associate-*r/57.8%
Simplified57.8%
Applied egg-rr57.8%
log1p-expm1-u57.8%
rem-cube-cbrt57.8%
cbrt-div57.8%
metadata-eval57.8%
inv-pow57.8%
pow-pow57.8%
metadata-eval57.8%
Applied egg-rr57.8%
Final simplification57.8%
(FPCore (x y) :precision binary64 (/ 1.0 (cos (* x (/ 0.5 y)))))
double code(double x, double y) {
return 1.0 / cos((x * (0.5 / y)));
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = 1.0d0 / cos((x * (0.5d0 / y)))
end function
public static double code(double x, double y) {
return 1.0 / Math.cos((x * (0.5 / y)));
}
def code(x, y): return 1.0 / math.cos((x * (0.5 / y)))
function code(x, y) return Float64(1.0 / cos(Float64(x * Float64(0.5 / y)))) end
function tmp = code(x, y) tmp = 1.0 / cos((x * (0.5 / y))); end
code[x_, y_] := N[(1.0 / N[Cos[N[(x * N[(0.5 / y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{1}{\cos \left(x \cdot \frac{0.5}{y}\right)}
\end{array}
Initial program 46.5%
Taylor expanded in x around inf 46.2%
*-commutative46.2%
associate-*l/46.5%
associate-*r/45.9%
*-commutative45.9%
associate-*l/45.9%
associate-*r/46.7%
Simplified46.7%
Taylor expanded in x around inf 57.8%
associate-*r/57.8%
*-commutative57.8%
associate-*r/57.7%
Simplified57.7%
Final simplification57.7%
(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(Float64(-0.5 * 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[(N[(-0.5 * x), $MachinePrecision] / y), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{1}{\cos \left(\frac{-0.5 \cdot x}{y}\right)}
\end{array}
Initial program 46.5%
remove-double-neg46.5%
distribute-frac-neg46.5%
tan-neg46.5%
distribute-frac-neg246.5%
distribute-lft-neg-out46.5%
distribute-frac-neg246.5%
distribute-lft-neg-out46.5%
distribute-frac-neg246.5%
distribute-frac-neg46.5%
neg-mul-146.5%
*-commutative46.5%
associate-/l*46.7%
*-commutative46.7%
associate-/r*46.7%
metadata-eval46.7%
sin-neg46.7%
distribute-frac-neg46.7%
Simplified46.4%
Taylor expanded in x around inf 57.8%
associate-*r/57.8%
Simplified57.8%
Final simplification57.8%
(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 46.5%
remove-double-neg46.5%
distribute-frac-neg46.5%
tan-neg46.5%
distribute-frac-neg246.5%
distribute-lft-neg-out46.5%
distribute-frac-neg246.5%
distribute-lft-neg-out46.5%
distribute-frac-neg246.5%
distribute-frac-neg46.5%
neg-mul-146.5%
*-commutative46.5%
associate-/l*46.7%
*-commutative46.7%
associate-/r*46.7%
metadata-eval46.7%
sin-neg46.7%
distribute-frac-neg46.7%
Simplified46.4%
Taylor expanded in x around 0 57.5%
Final simplification57.5%
(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 2024072
(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)))))