
(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)) 1e+114) (/ 1.0 (cos (pow (expm1 (log1p (sqrt (* 0.5 (/ x y))))) 2.0))) 1.0))
x = abs(x);
y = abs(y);
double code(double x, double y) {
double tmp;
if ((x / (y * 2.0)) <= 1e+114) {
tmp = 1.0 / cos(pow(expm1(log1p(sqrt((0.5 * (x / y))))), 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+114) {
tmp = 1.0 / Math.cos(Math.pow(Math.expm1(Math.log1p(Math.sqrt((0.5 * (x / y))))), 2.0));
} else {
tmp = 1.0;
}
return tmp;
}
x = abs(x) y = abs(y) def code(x, y): tmp = 0 if (x / (y * 2.0)) <= 1e+114: tmp = 1.0 / math.cos(math.pow(math.expm1(math.log1p(math.sqrt((0.5 * (x / y))))), 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+114) tmp = Float64(1.0 / cos((expm1(log1p(sqrt(Float64(0.5 * Float64(x / y))))) ^ 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+114], N[(1.0 / N[Cos[N[Power[N[(Exp[N[Log[1 + N[Sqrt[N[(0.5 * N[(x / y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]], $MachinePrecision]] - 1), $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 10^{+114}:\\
\;\;\;\;\frac{1}{\cos \left({\left(\mathsf{expm1}\left(\mathsf{log1p}\left(\sqrt{0.5 \cdot \frac{x}{y}}\right)\right)\right)}^{2}\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y 2)) < 1e114Initial program 49.5%
Taylor expanded in x around inf 64.5%
associate-*r/64.5%
Simplified64.5%
Taylor expanded in x around inf 64.5%
associate-*r/64.5%
*-commutative64.5%
associate-*r/64.5%
Simplified64.5%
add-sqr-sqrt36.6%
pow236.6%
Applied egg-rr36.6%
add-cube-cbrt36.8%
unpow336.6%
sqrt-pow136.8%
expm1-log1p-u36.8%
sqrt-pow136.8%
rem-cube-cbrt36.8%
associate-*r/36.8%
*-commutative36.8%
*-un-lft-identity36.8%
times-frac36.8%
metadata-eval36.8%
Applied egg-rr36.8%
if 1e114 < (/.f64 x (*.f64 y 2)) Initial program 8.3%
Taylor expanded in x around 0 14.6%
Final simplification33.7%
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)) 2e+72) (/ 1.0 (cos (pow (/ (sqrt (* x 0.5)) (sqrt y)) 2.0))) 1.0))
x = abs(x);
y = abs(y);
double code(double x, double y) {
double tmp;
if ((x / (y * 2.0)) <= 2e+72) {
tmp = 1.0 / cos(pow((sqrt((x * 0.5)) / sqrt(y)), 2.0));
} 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)) <= 2d+72) then
tmp = 1.0d0 / cos(((sqrt((x * 0.5d0)) / sqrt(y)) ** 2.0d0))
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)) <= 2e+72) {
tmp = 1.0 / Math.cos(Math.pow((Math.sqrt((x * 0.5)) / Math.sqrt(y)), 2.0));
} else {
tmp = 1.0;
}
return tmp;
}
x = abs(x) y = abs(y) def code(x, y): tmp = 0 if (x / (y * 2.0)) <= 2e+72: tmp = 1.0 / math.cos(math.pow((math.sqrt((x * 0.5)) / math.sqrt(y)), 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+72) tmp = Float64(1.0 / cos((Float64(sqrt(Float64(x * 0.5)) / sqrt(y)) ^ 2.0))); 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)) <= 2e+72) tmp = 1.0 / cos(((sqrt((x * 0.5)) / sqrt(y)) ^ 2.0)); 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], 2e+72], N[(1.0 / N[Cos[N[Power[N[(N[Sqrt[N[(x * 0.5), $MachinePrecision]], $MachinePrecision] / N[Sqrt[y], $MachinePrecision]), $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^{+72}:\\
\;\;\;\;\frac{1}{\cos \left({\left(\frac{\sqrt{x \cdot 0.5}}{\sqrt{y}}\right)}^{2}\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y 2)) < 1.99999999999999989e72Initial program 51.5%
Taylor expanded in x around inf 67.2%
associate-*r/67.2%
Simplified67.2%
Taylor expanded in x around inf 67.2%
associate-*r/67.2%
*-commutative67.2%
associate-*r/67.0%
Simplified67.0%
add-sqr-sqrt37.7%
pow237.7%
Applied egg-rr37.7%
associate-*r/37.7%
sqrt-div14.5%
Applied egg-rr14.5%
if 1.99999999999999989e72 < (/.f64 x (*.f64 y 2)) Initial program 8.0%
Taylor expanded in x around 0 13.9%
Final simplification14.4%
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+45) (/ 1.0 (cos (pow (cbrt (* 0.5 (/ x y))) 3.0))) 1.0))
x = abs(x);
y = abs(y);
double code(double x, double y) {
double tmp;
if ((x / (y * 2.0)) <= 4e+45) {
tmp = 1.0 / cos(pow(cbrt((0.5 * (x / 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)) <= 4e+45) {
tmp = 1.0 / Math.cos(Math.pow(Math.cbrt((0.5 * (x / 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)) <= 4e+45) tmp = Float64(1.0 / cos((cbrt(Float64(0.5 * Float64(x / 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], 4e+45], N[(1.0 / N[Cos[N[Power[N[Power[N[(0.5 * N[(x / y), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision], 3.0], $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^{+45}:\\
\;\;\;\;\frac{1}{\cos \left({\left(\sqrt[3]{0.5 \cdot \frac{x}{y}}\right)}^{3}\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y 2)) < 3.9999999999999997e45Initial program 52.1%
Taylor expanded in x around inf 68.0%
associate-*r/68.0%
Simplified68.0%
Taylor expanded in x around inf 68.0%
associate-*r/68.0%
*-commutative68.0%
associate-*r/67.8%
Simplified67.8%
associate-*r/68.0%
clear-num67.7%
Applied egg-rr67.7%
clear-num68.0%
associate-*r/67.8%
rem-cube-cbrt68.2%
associate-*r/67.8%
*-commutative67.8%
*-un-lft-identity67.8%
times-frac67.8%
metadata-eval67.8%
Applied egg-rr67.8%
if 3.9999999999999997e45 < (/.f64 x (*.f64 y 2)) Initial program 8.2%
Taylor expanded in x around 0 14.1%
Final simplification57.5%
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 43.7%
Taylor expanded in x around 0 57.2%
Final simplification57.2%
(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 2023318
(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)))))