
(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}
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)) 5e+66) (cbrt (pow (log (exp (cos (cbrt (pow (* x (/ 0.5 y)) 3.0))))) -3.0)) 1.0))
x = abs(x);
y = abs(y);
double code(double x, double y) {
double tmp;
if ((x / (y * 2.0)) <= 5e+66) {
tmp = cbrt(pow(log(exp(cos(cbrt(pow((x * (0.5 / y)), 3.0))))), -3.0));
} 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)) <= 5e+66) {
tmp = Math.cbrt(Math.pow(Math.log(Math.exp(Math.cos(Math.cbrt(Math.pow((x * (0.5 / y)), 3.0))))), -3.0));
} 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)) <= 5e+66) tmp = cbrt((log(exp(cos(cbrt((Float64(x * Float64(0.5 / y)) ^ 3.0))))) ^ -3.0)); 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], 5e+66], N[Power[N[Power[N[Log[N[Exp[N[Cos[N[Power[N[Power[N[(x * N[(0.5 / y), $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision], 1/3], $MachinePrecision]], $MachinePrecision]], $MachinePrecision]], $MachinePrecision], -3.0], $MachinePrecision], 1/3], $MachinePrecision], 1.0]
\begin{array}{l}
x = |x|\\
y = |y|\\
\\
\begin{array}{l}
\mathbf{if}\;\frac{x}{y \cdot 2} \leq 5 \cdot 10^{+66}:\\
\;\;\;\;\sqrt[3]{{\log \left(e^{\cos \left(\sqrt[3]{{\left(x \cdot \frac{0.5}{y}\right)}^{3}}\right)}\right)}^{-3}}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y 2)) < 4.99999999999999991e66Initial program 50.2%
add-cbrt-cube50.2%
pow350.2%
clear-num50.2%
inv-pow50.2%
metadata-eval50.2%
pow-pow50.2%
Applied egg-rr65.7%
add-log-exp65.7%
Applied egg-rr65.7%
add-cbrt-cube63.9%
pow364.0%
Applied egg-rr64.0%
if 4.99999999999999991e66 < (/.f64 x (*.f64 y 2)) Initial program 7.5%
Taylor expanded in x around 0 12.3%
Final simplification54.7%
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)) 5e+66) (cbrt (pow (cos (cbrt (pow (* x (/ 0.5 y)) 3.0))) -3.0)) 1.0))
x = abs(x);
y = abs(y);
double code(double x, double y) {
double tmp;
if ((x / (y * 2.0)) <= 5e+66) {
tmp = cbrt(pow(cos(cbrt(pow((x * (0.5 / y)), 3.0))), -3.0));
} 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)) <= 5e+66) {
tmp = Math.cbrt(Math.pow(Math.cos(Math.cbrt(Math.pow((x * (0.5 / y)), 3.0))), -3.0));
} 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)) <= 5e+66) tmp = cbrt((cos(cbrt((Float64(x * Float64(0.5 / y)) ^ 3.0))) ^ -3.0)); 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], 5e+66], N[Power[N[Power[N[Cos[N[Power[N[Power[N[(x * N[(0.5 / y), $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision], 1/3], $MachinePrecision]], $MachinePrecision], -3.0], $MachinePrecision], 1/3], $MachinePrecision], 1.0]
\begin{array}{l}
x = |x|\\
y = |y|\\
\\
\begin{array}{l}
\mathbf{if}\;\frac{x}{y \cdot 2} \leq 5 \cdot 10^{+66}:\\
\;\;\;\;\sqrt[3]{{\cos \left(\sqrt[3]{{\left(x \cdot \frac{0.5}{y}\right)}^{3}}\right)}^{-3}}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y 2)) < 4.99999999999999991e66Initial program 50.2%
add-cbrt-cube50.2%
pow350.2%
clear-num50.2%
inv-pow50.2%
metadata-eval50.2%
pow-pow50.2%
Applied egg-rr65.7%
add-cbrt-cube63.9%
pow364.0%
Applied egg-rr64.0%
if 4.99999999999999991e66 < (/.f64 x (*.f64 y 2)) Initial program 7.5%
Taylor expanded in x around 0 12.3%
Final simplification54.7%
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)) 5e+66) (/ 1.0 (cos (cbrt (pow (* x (/ 0.5 y)) 3.0)))) 1.0))
x = abs(x);
y = abs(y);
double code(double x, double y) {
double tmp;
if ((x / (y * 2.0)) <= 5e+66) {
tmp = 1.0 / cos(cbrt(pow((x * (0.5 / y)), 3.0)));
} 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)) <= 5e+66) {
tmp = 1.0 / Math.cos(Math.cbrt(Math.pow((x * (0.5 / y)), 3.0)));
} 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)) <= 5e+66) tmp = Float64(1.0 / cos(cbrt((Float64(x * Float64(0.5 / y)) ^ 3.0)))); 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], 5e+66], N[(1.0 / N[Cos[N[Power[N[Power[N[(x * N[(0.5 / y), $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision], 1/3], $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 1.0]
\begin{array}{l}
x = |x|\\
y = |y|\\
\\
\begin{array}{l}
\mathbf{if}\;\frac{x}{y \cdot 2} \leq 5 \cdot 10^{+66}:\\
\;\;\;\;\frac{1}{\cos \left(\sqrt[3]{{\left(x \cdot \frac{0.5}{y}\right)}^{3}}\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y 2)) < 4.99999999999999991e66Initial program 50.2%
add-cbrt-cube50.2%
pow350.2%
clear-num50.2%
inv-pow50.2%
metadata-eval50.2%
pow-pow50.2%
Applied egg-rr65.7%
Taylor expanded in x around inf 65.4%
associate-*r/65.4%
associate-*l/65.7%
*-commutative65.7%
Simplified65.7%
add-cbrt-cube63.9%
pow364.0%
Applied egg-rr64.0%
if 4.99999999999999991e66 < (/.f64 x (*.f64 y 2)) Initial program 7.5%
Taylor expanded in x around 0 12.3%
Final simplification54.7%
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 42.5%
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 2023271
(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)))))