
(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 4 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
(let* ((t_0 (/ x (* y 2.0))))
(if (<= (/ (tan t_0) (sin t_0)) 5.0)
(/ 1.0 (cos (* (pow (/ 1.0 (cbrt (/ y x))) 2.0) (* (cbrt (/ x y)) 0.5))))
1.0)))
double code(double x, double y) {
double t_0 = x / (y * 2.0);
double tmp;
if ((tan(t_0) / sin(t_0)) <= 5.0) {
tmp = 1.0 / cos((pow((1.0 / cbrt((y / x))), 2.0) * (cbrt((x / y)) * 0.5)));
} else {
tmp = 1.0;
}
return tmp;
}
public static double code(double x, double y) {
double t_0 = x / (y * 2.0);
double tmp;
if ((Math.tan(t_0) / Math.sin(t_0)) <= 5.0) {
tmp = 1.0 / Math.cos((Math.pow((1.0 / Math.cbrt((y / x))), 2.0) * (Math.cbrt((x / y)) * 0.5)));
} else {
tmp = 1.0;
}
return tmp;
}
function code(x, y) t_0 = Float64(x / Float64(y * 2.0)) tmp = 0.0 if (Float64(tan(t_0) / sin(t_0)) <= 5.0) tmp = Float64(1.0 / cos(Float64((Float64(1.0 / cbrt(Float64(y / x))) ^ 2.0) * Float64(cbrt(Float64(x / y)) * 0.5)))); else tmp = 1.0; end return tmp end
code[x_, y_] := Block[{t$95$0 = N[(x / N[(y * 2.0), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(N[Tan[t$95$0], $MachinePrecision] / N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision], 5.0], N[(1.0 / N[Cos[N[(N[Power[N[(1.0 / N[Power[N[(y / x), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] * N[(N[Power[N[(x / y), $MachinePrecision], 1/3], $MachinePrecision] * 0.5), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 1.0]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{x}{y \cdot 2}\\
\mathbf{if}\;\frac{\tan t_0}{\sin t_0} \leq 5:\\
\;\;\;\;\frac{1}{\cos \left({\left(\frac{1}{\sqrt[3]{\frac{y}{x}}}\right)}^{2} \cdot \left(\sqrt[3]{\frac{x}{y}} \cdot 0.5\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 (tan.f64 (/.f64 x (*.f64 y 2))) (sin.f64 (/.f64 x (*.f64 y 2)))) < 5Initial program 61.5%
Taylor expanded in x around inf 61.4%
clear-num61.3%
un-div-inv61.5%
Applied egg-rr61.5%
div-inv61.3%
clear-num61.4%
*-commutative61.4%
add-cbrt-cube58.5%
associate-/r/58.1%
cbrt-prod59.1%
associate-*l*59.1%
associate-/r/59.5%
cbrt-prod60.4%
pow260.4%
Applied egg-rr60.4%
clear-num60.5%
cbrt-div61.8%
metadata-eval61.8%
Applied egg-rr61.8%
if 5 < (/.f64 (tan.f64 (/.f64 x (*.f64 y 2))) (sin.f64 (/.f64 x (*.f64 y 2)))) Initial program 1.5%
Taylor expanded in x around 0 46.7%
Final simplification57.7%
(FPCore (x y)
:precision binary64
(let* ((t_0 (/ x (* y 2.0))))
(if (<= (/ (tan t_0) (sin t_0)) 1.16)
(/ 1.0 (cos (pow (* (cbrt (* x 0.5)) (cbrt (/ 1.0 y))) 3.0)))
1.0)))
double code(double x, double y) {
double t_0 = x / (y * 2.0);
double tmp;
if ((tan(t_0) / sin(t_0)) <= 1.16) {
tmp = 1.0 / cos(pow((cbrt((x * 0.5)) * cbrt((1.0 / y))), 3.0));
} else {
tmp = 1.0;
}
return tmp;
}
public static double code(double x, double y) {
double t_0 = x / (y * 2.0);
double tmp;
if ((Math.tan(t_0) / Math.sin(t_0)) <= 1.16) {
tmp = 1.0 / Math.cos(Math.pow((Math.cbrt((x * 0.5)) * Math.cbrt((1.0 / y))), 3.0));
} else {
tmp = 1.0;
}
return tmp;
}
function code(x, y) t_0 = Float64(x / Float64(y * 2.0)) tmp = 0.0 if (Float64(tan(t_0) / sin(t_0)) <= 1.16) tmp = Float64(1.0 / cos((Float64(cbrt(Float64(x * 0.5)) * cbrt(Float64(1.0 / y))) ^ 3.0))); else tmp = 1.0; end return tmp end
code[x_, y_] := Block[{t$95$0 = N[(x / N[(y * 2.0), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(N[Tan[t$95$0], $MachinePrecision] / N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision], 1.16], N[(1.0 / N[Cos[N[Power[N[(N[Power[N[(x * 0.5), $MachinePrecision], 1/3], $MachinePrecision] * N[Power[N[(1.0 / y), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 1.0]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{x}{y \cdot 2}\\
\mathbf{if}\;\frac{\tan t_0}{\sin t_0} \leq 1.16:\\
\;\;\;\;\frac{1}{\cos \left({\left(\sqrt[3]{x \cdot 0.5} \cdot \sqrt[3]{\frac{1}{y}}\right)}^{3}\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 (tan.f64 (/.f64 x (*.f64 y 2))) (sin.f64 (/.f64 x (*.f64 y 2)))) < 1.15999999999999992Initial program 69.5%
Taylor expanded in x around inf 69.4%
clear-num69.5%
un-div-inv69.8%
Applied egg-rr69.8%
associate-/l*69.5%
*-commutative69.5%
associate-/l*69.5%
div-inv69.5%
metadata-eval69.5%
add-cube-cbrt69.9%
pow369.7%
*-commutative69.7%
associate-/r*69.7%
Applied egg-rr69.7%
div-inv69.6%
cbrt-prod69.9%
div-inv69.9%
metadata-eval69.9%
Applied egg-rr69.9%
if 1.15999999999999992 < (/.f64 (tan.f64 (/.f64 x (*.f64 y 2))) (sin.f64 (/.f64 x (*.f64 y 2)))) Initial program 5.1%
Taylor expanded in x around 0 37.3%
Final simplification57.5%
(FPCore (x y) :precision binary64 (let* ((t_0 (/ x (* y 2.0)))) (if (<= (/ (tan t_0) (sin t_0)) 5.0) (/ 1.0 (cos (/ 0.5 (/ y x)))) 1.0)))
double code(double x, double y) {
double t_0 = x / (y * 2.0);
double tmp;
if ((tan(t_0) / sin(t_0)) <= 5.0) {
tmp = 1.0 / cos((0.5 / (y / x)));
} 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) :: tmp
t_0 = x / (y * 2.0d0)
if ((tan(t_0) / sin(t_0)) <= 5.0d0) then
tmp = 1.0d0 / cos((0.5d0 / (y / x)))
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 tmp;
if ((Math.tan(t_0) / Math.sin(t_0)) <= 5.0) {
tmp = 1.0 / Math.cos((0.5 / (y / x)));
} else {
tmp = 1.0;
}
return tmp;
}
def code(x, y): t_0 = x / (y * 2.0) tmp = 0 if (math.tan(t_0) / math.sin(t_0)) <= 5.0: tmp = 1.0 / math.cos((0.5 / (y / x))) else: tmp = 1.0 return tmp
function code(x, y) t_0 = Float64(x / Float64(y * 2.0)) tmp = 0.0 if (Float64(tan(t_0) / sin(t_0)) <= 5.0) tmp = Float64(1.0 / cos(Float64(0.5 / Float64(y / x)))); else tmp = 1.0; end return tmp end
function tmp_2 = code(x, y) t_0 = x / (y * 2.0); tmp = 0.0; if ((tan(t_0) / sin(t_0)) <= 5.0) tmp = 1.0 / cos((0.5 / (y / x))); else tmp = 1.0; end tmp_2 = tmp; end
code[x_, y_] := Block[{t$95$0 = N[(x / N[(y * 2.0), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(N[Tan[t$95$0], $MachinePrecision] / N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision], 5.0], N[(1.0 / N[Cos[N[(0.5 / N[(y / x), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 1.0]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{x}{y \cdot 2}\\
\mathbf{if}\;\frac{\tan t_0}{\sin t_0} \leq 5:\\
\;\;\;\;\frac{1}{\cos \left(\frac{0.5}{\frac{y}{x}}\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 (tan.f64 (/.f64 x (*.f64 y 2))) (sin.f64 (/.f64 x (*.f64 y 2)))) < 5Initial program 61.5%
Taylor expanded in x around inf 61.4%
clear-num61.3%
un-div-inv61.5%
Applied egg-rr61.5%
if 5 < (/.f64 (tan.f64 (/.f64 x (*.f64 y 2))) (sin.f64 (/.f64 x (*.f64 y 2)))) Initial program 1.5%
Taylor expanded in x around 0 46.7%
Final simplification57.5%
(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 45.1%
Taylor expanded in x around 0 55.7%
Final simplification55.7%
(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 2023185
(FPCore (x y)
:name "Diagrams.TwoD.Layout.CirclePacking:approxRadius from diagrams-contrib-1.3.0.5"
:precision binary64
:herbie-target
(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)))))