
(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 6 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}
NOTE: x should be positive before calling this function NOTE: y should be positive before calling this function (FPCore (x y) :precision binary64 (if (<= (/ x (* y 2.0)) 1e+253) (/ 1.0 (cos (* (cbrt x) (* (/ 0.5 y) (pow (expm1 (log1p (cbrt x))) 2.0))))) 1.0))
x = abs(x);
y = abs(y);
double code(double x, double y) {
double tmp;
if ((x / (y * 2.0)) <= 1e+253) {
tmp = 1.0 / cos((cbrt(x) * ((0.5 / y) * pow(expm1(log1p(cbrt(x))), 2.0))));
} else {
tmp = 1.0;
}
return tmp;
}
x = Math.abs(x);
y = Math.abs(y);
public static double code(double x, double y) {
double tmp;
if ((x / (y * 2.0)) <= 1e+253) {
tmp = 1.0 / Math.cos((Math.cbrt(x) * ((0.5 / y) * Math.pow(Math.expm1(Math.log1p(Math.cbrt(x))), 2.0))));
} else {
tmp = 1.0;
}
return tmp;
}
x = abs(x) y = abs(y) function code(x, y) tmp = 0.0 if (Float64(x / Float64(y * 2.0)) <= 1e+253) tmp = Float64(1.0 / cos(Float64(cbrt(x) * Float64(Float64(0.5 / y) * (expm1(log1p(cbrt(x))) ^ 2.0))))); else tmp = 1.0; end return tmp end
NOTE: x should be positive before calling this function NOTE: y should be positive before calling this function code[x_, y_] := If[LessEqual[N[(x / N[(y * 2.0), $MachinePrecision]), $MachinePrecision], 1e+253], N[(1.0 / N[Cos[N[(N[Power[x, 1/3], $MachinePrecision] * N[(N[(0.5 / y), $MachinePrecision] * N[Power[N[(Exp[N[Log[1 + N[Power[x, 1/3], $MachinePrecision]], $MachinePrecision]] - 1), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 1.0]
\begin{array}{l}
x = |x|\\
y = |y|\\
\\
\begin{array}{l}
\mathbf{if}\;\frac{x}{y \cdot 2} \leq 10^{+253}:\\
\;\;\;\;\frac{1}{\cos \left(\sqrt[3]{x} \cdot \left(\frac{0.5}{y} \cdot {\left(\mathsf{expm1}\left(\mathsf{log1p}\left(\sqrt[3]{x}\right)\right)\right)}^{2}\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y 2)) < 9.9999999999999994e252Initial program 40.9%
Taylor expanded in x around inf 40.9%
clear-num40.7%
un-div-inv40.7%
Applied egg-rr40.7%
associate-/r/40.3%
add-cube-cbrt40.4%
associate-*r*40.9%
pow240.9%
Applied egg-rr40.9%
expm1-log1p-u39.2%
Applied egg-rr39.2%
if 9.9999999999999994e252 < (/.f64 x (*.f64 y 2)) Initial program 2.6%
Taylor expanded in x around 0 9.4%
Final simplification35.3%
NOTE: x should be positive before calling this function
NOTE: y should be positive before calling this function
(FPCore (x y)
:precision binary64
(if (<= (/ x (* y 2.0)) 1e+253)
(/
1.0
(cos
(*
(cbrt x)
(* (/ 0.5 y) (pow (exp (* (log x) 0.3333333333333333)) 2.0)))))
1.0))x = abs(x);
y = abs(y);
double code(double x, double y) {
double tmp;
if ((x / (y * 2.0)) <= 1e+253) {
tmp = 1.0 / cos((cbrt(x) * ((0.5 / y) * pow(exp((log(x) * 0.3333333333333333)), 2.0))));
} else {
tmp = 1.0;
}
return tmp;
}
x = Math.abs(x);
y = Math.abs(y);
public static double code(double x, double y) {
double tmp;
if ((x / (y * 2.0)) <= 1e+253) {
tmp = 1.0 / Math.cos((Math.cbrt(x) * ((0.5 / y) * Math.pow(Math.exp((Math.log(x) * 0.3333333333333333)), 2.0))));
} else {
tmp = 1.0;
}
return tmp;
}
x = abs(x) y = abs(y) function code(x, y) tmp = 0.0 if (Float64(x / Float64(y * 2.0)) <= 1e+253) tmp = Float64(1.0 / cos(Float64(cbrt(x) * Float64(Float64(0.5 / y) * (exp(Float64(log(x) * 0.3333333333333333)) ^ 2.0))))); else tmp = 1.0; end return tmp end
NOTE: x should be positive before calling this function NOTE: y should be positive before calling this function code[x_, y_] := If[LessEqual[N[(x / N[(y * 2.0), $MachinePrecision]), $MachinePrecision], 1e+253], N[(1.0 / N[Cos[N[(N[Power[x, 1/3], $MachinePrecision] * N[(N[(0.5 / y), $MachinePrecision] * N[Power[N[Exp[N[(N[Log[x], $MachinePrecision] * 0.3333333333333333), $MachinePrecision]], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 1.0]
\begin{array}{l}
x = |x|\\
y = |y|\\
\\
\begin{array}{l}
\mathbf{if}\;\frac{x}{y \cdot 2} \leq 10^{+253}:\\
\;\;\;\;\frac{1}{\cos \left(\sqrt[3]{x} \cdot \left(\frac{0.5}{y} \cdot {\left(e^{\log x \cdot 0.3333333333333333}\right)}^{2}\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y 2)) < 9.9999999999999994e252Initial program 40.9%
Taylor expanded in x around inf 40.9%
clear-num40.7%
un-div-inv40.7%
Applied egg-rr40.7%
associate-/r/40.3%
add-cube-cbrt40.4%
associate-*r*40.9%
pow240.9%
Applied egg-rr40.9%
pow1/316.7%
pow-to-exp17.7%
Applied egg-rr17.7%
if 9.9999999999999994e252 < (/.f64 x (*.f64 y 2)) Initial program 2.6%
Taylor expanded in x around 0 9.4%
Final simplification16.6%
NOTE: x should be positive before calling this function NOTE: y should be positive before calling this function (FPCore (x y) :precision binary64 (if (<= (/ x (* y 2.0)) 4e+262) (/ 1.0 (cos (* (cbrt x) (* (/ 0.5 y) (pow (cbrt x) 2.0))))) 1.0))
x = abs(x);
y = abs(y);
double code(double x, double y) {
double tmp;
if ((x / (y * 2.0)) <= 4e+262) {
tmp = 1.0 / cos((cbrt(x) * ((0.5 / y) * pow(cbrt(x), 2.0))));
} else {
tmp = 1.0;
}
return tmp;
}
x = Math.abs(x);
y = Math.abs(y);
public static double code(double x, double y) {
double tmp;
if ((x / (y * 2.0)) <= 4e+262) {
tmp = 1.0 / Math.cos((Math.cbrt(x) * ((0.5 / y) * Math.pow(Math.cbrt(x), 2.0))));
} else {
tmp = 1.0;
}
return tmp;
}
x = abs(x) y = abs(y) function code(x, y) tmp = 0.0 if (Float64(x / Float64(y * 2.0)) <= 4e+262) tmp = Float64(1.0 / cos(Float64(cbrt(x) * Float64(Float64(0.5 / y) * (cbrt(x) ^ 2.0))))); else tmp = 1.0; end return tmp end
NOTE: x should be positive before calling this function NOTE: y should be positive before calling this function code[x_, y_] := If[LessEqual[N[(x / N[(y * 2.0), $MachinePrecision]), $MachinePrecision], 4e+262], N[(1.0 / N[Cos[N[(N[Power[x, 1/3], $MachinePrecision] * N[(N[(0.5 / y), $MachinePrecision] * N[Power[N[Power[x, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 1.0]
\begin{array}{l}
x = |x|\\
y = |y|\\
\\
\begin{array}{l}
\mathbf{if}\;\frac{x}{y \cdot 2} \leq 4 \cdot 10^{+262}:\\
\;\;\;\;\frac{1}{\cos \left(\sqrt[3]{x} \cdot \left(\frac{0.5}{y} \cdot {\left(\sqrt[3]{x}\right)}^{2}\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y 2)) < 4.0000000000000001e262Initial program 40.4%
Taylor expanded in x around inf 40.4%
clear-num40.4%
un-div-inv40.4%
Applied egg-rr40.4%
associate-/r/39.9%
add-cube-cbrt40.1%
associate-*r*40.6%
pow240.6%
Applied egg-rr40.6%
if 4.0000000000000001e262 < (/.f64 x (*.f64 y 2)) Initial program 2.2%
Taylor expanded in x around 0 8.8%
Final simplification36.8%
NOTE: x should be positive before calling this function NOTE: y should be positive before calling this function (FPCore (x y) :precision binary64 (if (<= (/ x (* y 2.0)) 2e+200) (/ 1.0 (cos (pow (cbrt (pow (* 0.5 (/ x y)) 1.5)) 2.0))) 1.0))
x = abs(x);
y = abs(y);
double code(double x, double y) {
double tmp;
if ((x / (y * 2.0)) <= 2e+200) {
tmp = 1.0 / cos(pow(cbrt(pow((0.5 * (x / y)), 1.5)), 2.0));
} else {
tmp = 1.0;
}
return tmp;
}
x = Math.abs(x);
y = Math.abs(y);
public static double code(double x, double y) {
double tmp;
if ((x / (y * 2.0)) <= 2e+200) {
tmp = 1.0 / Math.cos(Math.pow(Math.cbrt(Math.pow((0.5 * (x / y)), 1.5)), 2.0));
} else {
tmp = 1.0;
}
return tmp;
}
x = abs(x) y = abs(y) function code(x, y) tmp = 0.0 if (Float64(x / Float64(y * 2.0)) <= 2e+200) tmp = Float64(1.0 / cos((cbrt((Float64(0.5 * Float64(x / y)) ^ 1.5)) ^ 2.0))); else tmp = 1.0; end return tmp end
NOTE: x should be positive before calling this function NOTE: y should be positive before calling this function code[x_, y_] := If[LessEqual[N[(x / N[(y * 2.0), $MachinePrecision]), $MachinePrecision], 2e+200], N[(1.0 / N[Cos[N[Power[N[Power[N[Power[N[(0.5 * N[(x / y), $MachinePrecision]), $MachinePrecision], 1.5], $MachinePrecision], 1/3], $MachinePrecision], 2.0], $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 1.0]
\begin{array}{l}
x = |x|\\
y = |y|\\
\\
\begin{array}{l}
\mathbf{if}\;\frac{x}{y \cdot 2} \leq 2 \cdot 10^{+200}:\\
\;\;\;\;\frac{1}{\cos \left({\left(\sqrt[3]{{\left(0.5 \cdot \frac{x}{y}\right)}^{1.5}}\right)}^{2}\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y 2)) < 1.9999999999999999e200Initial program 42.7%
Taylor expanded in x around inf 42.7%
add-sqr-sqrt16.9%
pow216.9%
Applied egg-rr16.9%
add-cbrt-cube17.1%
pow1/316.5%
add-sqr-sqrt16.6%
pow116.6%
pow1/216.6%
pow-prod-up16.6%
metadata-eval16.6%
Applied egg-rr16.6%
unpow1/317.2%
Simplified17.2%
if 1.9999999999999999e200 < (/.f64 x (*.f64 y 2)) Initial program 5.2%
Taylor expanded in x around 0 8.9%
Final simplification15.7%
NOTE: x should be positive before calling this function NOTE: y should be positive before calling this function (FPCore (x y) :precision binary64 (if (<= (/ x (* y 2.0)) 1e+253) (/ 1.0 (cos (* 0.5 (/ x y)))) 1.0))
x = abs(x);
y = abs(y);
double code(double x, double y) {
double tmp;
if ((x / (y * 2.0)) <= 1e+253) {
tmp = 1.0 / cos((0.5 * (x / y)));
} else {
tmp = 1.0;
}
return tmp;
}
NOTE: x should be positive before calling this function
NOTE: y should be positive before calling this function
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if ((x / (y * 2.0d0)) <= 1d+253) then
tmp = 1.0d0 / cos((0.5d0 * (x / y)))
else
tmp = 1.0d0
end if
code = tmp
end function
x = Math.abs(x);
y = Math.abs(y);
public static double code(double x, double y) {
double tmp;
if ((x / (y * 2.0)) <= 1e+253) {
tmp = 1.0 / Math.cos((0.5 * (x / y)));
} else {
tmp = 1.0;
}
return tmp;
}
x = abs(x) y = abs(y) def code(x, y): tmp = 0 if (x / (y * 2.0)) <= 1e+253: tmp = 1.0 / math.cos((0.5 * (x / y))) else: tmp = 1.0 return tmp
x = abs(x) y = abs(y) function code(x, y) tmp = 0.0 if (Float64(x / Float64(y * 2.0)) <= 1e+253) tmp = Float64(1.0 / cos(Float64(0.5 * Float64(x / y)))); else tmp = 1.0; end return tmp end
x = abs(x) y = abs(y) function tmp_2 = code(x, y) tmp = 0.0; if ((x / (y * 2.0)) <= 1e+253) tmp = 1.0 / cos((0.5 * (x / y))); else tmp = 1.0; end tmp_2 = tmp; end
NOTE: x should be positive before calling this function NOTE: y should be positive before calling this function code[x_, y_] := If[LessEqual[N[(x / N[(y * 2.0), $MachinePrecision]), $MachinePrecision], 1e+253], N[(1.0 / N[Cos[N[(0.5 * N[(x / y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 1.0]
\begin{array}{l}
x = |x|\\
y = |y|\\
\\
\begin{array}{l}
\mathbf{if}\;\frac{x}{y \cdot 2} \leq 10^{+253}:\\
\;\;\;\;\frac{1}{\cos \left(0.5 \cdot \frac{x}{y}\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y 2)) < 9.9999999999999994e252Initial program 40.9%
Taylor expanded in x around inf 40.9%
if 9.9999999999999994e252 < (/.f64 x (*.f64 y 2)) Initial program 2.6%
Taylor expanded in x around 0 9.4%
Final simplification36.7%
NOTE: x should be positive before calling this function NOTE: y should be positive before calling this function (FPCore (x y) :precision binary64 1.0)
x = abs(x);
y = abs(y);
double code(double x, double y) {
return 1.0;
}
NOTE: x should be positive before calling this function
NOTE: y should be positive before calling this function
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = 1.0d0
end function
x = Math.abs(x);
y = Math.abs(y);
public static double code(double x, double y) {
return 1.0;
}
x = abs(x) y = abs(y) def code(x, y): return 1.0
x = abs(x) y = abs(y) function code(x, y) return 1.0 end
x = abs(x) y = abs(y) function tmp = code(x, y) tmp = 1.0; end
NOTE: x should be positive before calling this function NOTE: y should be positive before calling this function code[x_, y_] := 1.0
\begin{array}{l}
x = |x|\\
y = |y|\\
\\
1
\end{array}
Initial program 35.8%
Taylor expanded in x around 0 35.4%
Final simplification35.4%
(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 2023278
(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)))))