
(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+190) (pow (/ 1.0 (cbrt (cos (/ (sqrt x) (/ (* y 2.0) (sqrt x)))))) 3.0) 1.0))
x = abs(x);
y = abs(y);
double code(double x, double y) {
double tmp;
if ((x / (y * 2.0)) <= 5e+190) {
tmp = pow((1.0 / cbrt(cos((sqrt(x) / ((y * 2.0) / sqrt(x)))))), 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+190) {
tmp = Math.pow((1.0 / Math.cbrt(Math.cos((Math.sqrt(x) / ((y * 2.0) / Math.sqrt(x)))))), 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+190) tmp = Float64(1.0 / cbrt(cos(Float64(sqrt(x) / Float64(Float64(y * 2.0) / sqrt(x)))))) ^ 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+190], N[Power[N[(1.0 / N[Power[N[Cos[N[(N[Sqrt[x], $MachinePrecision] / N[(N[(y * 2.0), $MachinePrecision] / N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision], 1.0]
\begin{array}{l}
x = |x|\\
y = |y|\\
\\
\begin{array}{l}
\mathbf{if}\;\frac{x}{y \cdot 2} \leq 5 \cdot 10^{+190}:\\
\;\;\;\;{\left(\frac{1}{\sqrt[3]{\cos \left(\frac{\sqrt{x}}{\frac{y \cdot 2}{\sqrt{x}}}\right)}}\right)}^{3}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y 2)) < 5.00000000000000036e190Initial program 51.1%
Taylor expanded in x around inf 64.3%
associate-*r/64.3%
Simplified64.3%
add-cube-cbrt64.2%
pow364.2%
cbrt-div64.2%
metadata-eval64.2%
*-commutative64.2%
associate-*r/64.2%
Applied egg-rr64.2%
add-cube-cbrt63.9%
pow364.1%
associate-*r/64.5%
Applied egg-rr64.5%
rem-cube-cbrt64.2%
associate-/l*64.2%
add-sqr-sqrt30.8%
associate-/l*31.0%
div-inv31.0%
metadata-eval31.0%
Applied egg-rr31.0%
if 5.00000000000000036e190 < (/.f64 x (*.f64 y 2)) Initial program 4.8%
Taylor expanded in x around 0 12.1%
Final simplification28.4%
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)) 2e+178) (/ 1.0 (cos (/ 0.5 (/ y x)))) 1.0))
x = abs(x);
y = abs(y);
double code(double x, double y) {
double tmp;
if ((x / (y * 2.0)) <= 2e+178) {
tmp = 1.0 / cos((0.5 / (y / x)));
} 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+178) then
tmp = 1.0d0 / cos((0.5d0 / (y / x)))
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+178) {
tmp = 1.0 / Math.cos((0.5 / (y / x)));
} else {
tmp = 1.0;
}
return tmp;
}
x = abs(x) y = abs(y) def code(x, y): tmp = 0 if (x / (y * 2.0)) <= 2e+178: tmp = 1.0 / math.cos((0.5 / (y / x))) 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+178) tmp = Float64(1.0 / cos(Float64(0.5 / Float64(y / x)))); 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+178) tmp = 1.0 / cos((0.5 / (y / x))); 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+178], N[(1.0 / N[Cos[N[(0.5 / N[(y / x), $MachinePrecision]), $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^{+178}:\\
\;\;\;\;\frac{1}{\cos \left(\frac{0.5}{\frac{y}{x}}\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y 2)) < 2.0000000000000001e178Initial program 51.5%
Taylor expanded in x around inf 64.8%
associate-*r/64.8%
Simplified64.8%
Taylor expanded in x around inf 64.8%
associate-*r/64.8%
*-commutative64.8%
associate-*r/64.8%
Simplified64.8%
associate-*r/64.8%
clear-num65.1%
Applied egg-rr65.1%
Taylor expanded in y around 0 64.8%
associate-*r/64.8%
associate-/l*65.1%
Simplified65.1%
if 2.0000000000000001e178 < (/.f64 x (*.f64 y 2)) Initial program 4.6%
Taylor expanded in x around 0 11.9%
Final simplification57.2%
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 (cos (* x (/ 0.5 y)))))
x = abs(x);
y = abs(y);
double code(double x, double y) {
return 1.0 / cos((x * (0.5 / y)));
}
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 / cos((x * (0.5d0 / y)))
end function
x = Math.abs(x);
y = Math.abs(y);
public static double code(double x, double y) {
return 1.0 / Math.cos((x * (0.5 / y)));
}
x = abs(x) y = abs(y) def code(x, y): return 1.0 / math.cos((x * (0.5 / y)))
x = abs(x) y = abs(y) function code(x, y) return Float64(1.0 / cos(Float64(x * Float64(0.5 / y)))) end
x = abs(x) y = abs(y) function tmp = code(x, y) tmp = 1.0 / cos((x * (0.5 / y))); end
NOTE: x should be positive before calling this function NOTE: y should be positive before calling this function code[x_, y_] := N[(1.0 / N[Cos[N[(x * N[(0.5 / y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
x = |x|\\
y = |y|\\
\\
\frac{1}{\cos \left(x \cdot \frac{0.5}{y}\right)}
\end{array}
Initial program 44.6%
Taylor expanded in x around inf 55.9%
associate-*r/55.9%
Simplified55.9%
Taylor expanded in x around inf 55.9%
associate-*r/55.9%
*-commutative55.9%
associate-*r/56.0%
Simplified56.0%
Final simplification56.0%
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 44.6%
Taylor expanded in x around 0 54.9%
Final simplification54.9%
(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 2023320
(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)))))