
(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}
x_m = (fabs.f64 x) y_m = (fabs.f64 y) (FPCore (x_m y_m) :precision binary64 (if (<= (/ x_m (* y_m 2.0)) 1e+87) (/ 1.0 (log (+ 1.0 (expm1 (cos (* x_m (/ -0.5 y_m))))))) 1.0))
x_m = fabs(x);
y_m = fabs(y);
double code(double x_m, double y_m) {
double tmp;
if ((x_m / (y_m * 2.0)) <= 1e+87) {
tmp = 1.0 / log((1.0 + expm1(cos((x_m * (-0.5 / y_m))))));
} else {
tmp = 1.0;
}
return tmp;
}
x_m = Math.abs(x);
y_m = Math.abs(y);
public static double code(double x_m, double y_m) {
double tmp;
if ((x_m / (y_m * 2.0)) <= 1e+87) {
tmp = 1.0 / Math.log((1.0 + Math.expm1(Math.cos((x_m * (-0.5 / y_m))))));
} else {
tmp = 1.0;
}
return tmp;
}
x_m = math.fabs(x) y_m = math.fabs(y) def code(x_m, y_m): tmp = 0 if (x_m / (y_m * 2.0)) <= 1e+87: tmp = 1.0 / math.log((1.0 + math.expm1(math.cos((x_m * (-0.5 / y_m)))))) else: tmp = 1.0 return tmp
x_m = abs(x) y_m = abs(y) function code(x_m, y_m) tmp = 0.0 if (Float64(x_m / Float64(y_m * 2.0)) <= 1e+87) tmp = Float64(1.0 / log(Float64(1.0 + expm1(cos(Float64(x_m * Float64(-0.5 / y_m))))))); else tmp = 1.0; end return tmp end
x_m = N[Abs[x], $MachinePrecision] y_m = N[Abs[y], $MachinePrecision] code[x$95$m_, y$95$m_] := If[LessEqual[N[(x$95$m / N[(y$95$m * 2.0), $MachinePrecision]), $MachinePrecision], 1e+87], N[(1.0 / N[Log[N[(1.0 + N[(Exp[N[Cos[N[(x$95$m * N[(-0.5 / y$95$m), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]] - 1), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 1.0]
\begin{array}{l}
x_m = \left|x\right|
\\
y_m = \left|y\right|
\\
\begin{array}{l}
\mathbf{if}\;\frac{x\_m}{y\_m \cdot 2} \leq 10^{+87}:\\
\;\;\;\;\frac{1}{\log \left(1 + \mathsf{expm1}\left(\cos \left(x\_m \cdot \frac{-0.5}{y\_m}\right)\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y 2)) < 9.9999999999999996e86Initial program 54.7%
Taylor expanded in x around inf 69.4%
log1p-expm1-u69.4%
log1p-undefine69.4%
add-sqr-sqrt43.3%
metadata-eval43.3%
fabs-sqr43.3%
add-sqr-sqrt69.4%
fabs-mul69.4%
add-sqr-sqrt40.3%
fabs-sqr40.3%
add-sqr-sqrt69.4%
associate-*r/69.4%
associate-*l/69.3%
*-commutative69.3%
Applied egg-rr69.3%
if 9.9999999999999996e86 < (/.f64 x (*.f64 y 2)) Initial program 7.6%
remove-double-neg7.6%
distribute-frac-neg7.6%
tan-neg7.6%
distribute-frac-neg27.6%
distribute-lft-neg-out7.6%
distribute-frac-neg27.6%
distribute-lft-neg-out7.6%
distribute-frac-neg27.6%
distribute-frac-neg7.6%
neg-mul-17.6%
*-commutative7.6%
associate-/l*7.8%
*-commutative7.8%
associate-/r*7.8%
metadata-eval7.8%
sin-neg7.8%
distribute-frac-neg7.8%
Simplified7.6%
Taylor expanded in x around 0 15.2%
Final simplification59.8%
x_m = (fabs.f64 x) y_m = (fabs.f64 y) (FPCore (x_m y_m) :precision binary64 (if (<= (/ x_m (* y_m 2.0)) 1e+87) (/ 1.0 (cos (* x_m (/ -0.5 y_m)))) 1.0))
x_m = fabs(x);
y_m = fabs(y);
double code(double x_m, double y_m) {
double tmp;
if ((x_m / (y_m * 2.0)) <= 1e+87) {
tmp = 1.0 / cos((x_m * (-0.5 / y_m)));
} else {
tmp = 1.0;
}
return tmp;
}
x_m = abs(x)
y_m = abs(y)
real(8) function code(x_m, y_m)
real(8), intent (in) :: x_m
real(8), intent (in) :: y_m
real(8) :: tmp
if ((x_m / (y_m * 2.0d0)) <= 1d+87) then
tmp = 1.0d0 / cos((x_m * ((-0.5d0) / y_m)))
else
tmp = 1.0d0
end if
code = tmp
end function
x_m = Math.abs(x);
y_m = Math.abs(y);
public static double code(double x_m, double y_m) {
double tmp;
if ((x_m / (y_m * 2.0)) <= 1e+87) {
tmp = 1.0 / Math.cos((x_m * (-0.5 / y_m)));
} else {
tmp = 1.0;
}
return tmp;
}
x_m = math.fabs(x) y_m = math.fabs(y) def code(x_m, y_m): tmp = 0 if (x_m / (y_m * 2.0)) <= 1e+87: tmp = 1.0 / math.cos((x_m * (-0.5 / y_m))) else: tmp = 1.0 return tmp
x_m = abs(x) y_m = abs(y) function code(x_m, y_m) tmp = 0.0 if (Float64(x_m / Float64(y_m * 2.0)) <= 1e+87) tmp = Float64(1.0 / cos(Float64(x_m * Float64(-0.5 / y_m)))); else tmp = 1.0; end return tmp end
x_m = abs(x); y_m = abs(y); function tmp_2 = code(x_m, y_m) tmp = 0.0; if ((x_m / (y_m * 2.0)) <= 1e+87) tmp = 1.0 / cos((x_m * (-0.5 / y_m))); else tmp = 1.0; end tmp_2 = tmp; end
x_m = N[Abs[x], $MachinePrecision] y_m = N[Abs[y], $MachinePrecision] code[x$95$m_, y$95$m_] := If[LessEqual[N[(x$95$m / N[(y$95$m * 2.0), $MachinePrecision]), $MachinePrecision], 1e+87], N[(1.0 / N[Cos[N[(x$95$m * N[(-0.5 / y$95$m), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 1.0]
\begin{array}{l}
x_m = \left|x\right|
\\
y_m = \left|y\right|
\\
\begin{array}{l}
\mathbf{if}\;\frac{x\_m}{y\_m \cdot 2} \leq 10^{+87}:\\
\;\;\;\;\frac{1}{\cos \left(x\_m \cdot \frac{-0.5}{y\_m}\right)}\\
\mathbf{else}:\\
\;\;\;\;1\\
\end{array}
\end{array}
if (/.f64 x (*.f64 y 2)) < 9.9999999999999996e86Initial program 54.7%
remove-double-neg54.7%
distribute-frac-neg54.7%
tan-neg54.7%
distribute-frac-neg254.7%
distribute-lft-neg-out54.7%
distribute-frac-neg254.7%
distribute-lft-neg-out54.7%
distribute-frac-neg254.7%
distribute-frac-neg54.7%
neg-mul-154.7%
*-commutative54.7%
associate-/l*54.3%
*-commutative54.3%
associate-/r*54.3%
metadata-eval54.3%
sin-neg54.3%
distribute-frac-neg54.3%
Simplified54.6%
Taylor expanded in x around inf 69.4%
associate-*r/69.4%
*-commutative69.4%
associate-*r/69.3%
Simplified69.3%
if 9.9999999999999996e86 < (/.f64 x (*.f64 y 2)) Initial program 7.6%
remove-double-neg7.6%
distribute-frac-neg7.6%
tan-neg7.6%
distribute-frac-neg27.6%
distribute-lft-neg-out7.6%
distribute-frac-neg27.6%
distribute-lft-neg-out7.6%
distribute-frac-neg27.6%
distribute-frac-neg7.6%
neg-mul-17.6%
*-commutative7.6%
associate-/l*7.8%
*-commutative7.8%
associate-/r*7.8%
metadata-eval7.8%
sin-neg7.8%
distribute-frac-neg7.8%
Simplified7.6%
Taylor expanded in x around 0 15.2%
Final simplification59.8%
x_m = (fabs.f64 x) y_m = (fabs.f64 y) (FPCore (x_m y_m) :precision binary64 (/ 1.0 (cos (* 0.5 (/ x_m y_m)))))
x_m = fabs(x);
y_m = fabs(y);
double code(double x_m, double y_m) {
return 1.0 / cos((0.5 * (x_m / y_m)));
}
x_m = abs(x)
y_m = abs(y)
real(8) function code(x_m, y_m)
real(8), intent (in) :: x_m
real(8), intent (in) :: y_m
code = 1.0d0 / cos((0.5d0 * (x_m / y_m)))
end function
x_m = Math.abs(x);
y_m = Math.abs(y);
public static double code(double x_m, double y_m) {
return 1.0 / Math.cos((0.5 * (x_m / y_m)));
}
x_m = math.fabs(x) y_m = math.fabs(y) def code(x_m, y_m): return 1.0 / math.cos((0.5 * (x_m / y_m)))
x_m = abs(x) y_m = abs(y) function code(x_m, y_m) return Float64(1.0 / cos(Float64(0.5 * Float64(x_m / y_m)))) end
x_m = abs(x); y_m = abs(y); function tmp = code(x_m, y_m) tmp = 1.0 / cos((0.5 * (x_m / y_m))); end
x_m = N[Abs[x], $MachinePrecision] y_m = N[Abs[y], $MachinePrecision] code[x$95$m_, y$95$m_] := N[(1.0 / N[Cos[N[(0.5 * N[(x$95$m / y$95$m), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
x_m = \left|x\right|
\\
y_m = \left|y\right|
\\
\frac{1}{\cos \left(0.5 \cdot \frac{x\_m}{y\_m}\right)}
\end{array}
Initial program 46.4%
Taylor expanded in x around inf 58.5%
Final simplification58.5%
x_m = (fabs.f64 x) y_m = (fabs.f64 y) (FPCore (x_m y_m) :precision binary64 1.0)
x_m = fabs(x);
y_m = fabs(y);
double code(double x_m, double y_m) {
return 1.0;
}
x_m = abs(x)
y_m = abs(y)
real(8) function code(x_m, y_m)
real(8), intent (in) :: x_m
real(8), intent (in) :: y_m
code = 1.0d0
end function
x_m = Math.abs(x);
y_m = Math.abs(y);
public static double code(double x_m, double y_m) {
return 1.0;
}
x_m = math.fabs(x) y_m = math.fabs(y) def code(x_m, y_m): return 1.0
x_m = abs(x) y_m = abs(y) function code(x_m, y_m) return 1.0 end
x_m = abs(x); y_m = abs(y); function tmp = code(x_m, y_m) tmp = 1.0; end
x_m = N[Abs[x], $MachinePrecision] y_m = N[Abs[y], $MachinePrecision] code[x$95$m_, y$95$m_] := 1.0
\begin{array}{l}
x_m = \left|x\right|
\\
y_m = \left|y\right|
\\
1
\end{array}
Initial program 46.4%
remove-double-neg46.4%
distribute-frac-neg46.4%
tan-neg46.4%
distribute-frac-neg246.4%
distribute-lft-neg-out46.4%
distribute-frac-neg246.4%
distribute-lft-neg-out46.4%
distribute-frac-neg246.4%
distribute-frac-neg46.4%
neg-mul-146.4%
*-commutative46.4%
associate-/l*46.1%
*-commutative46.1%
associate-/r*46.1%
metadata-eval46.1%
sin-neg46.1%
distribute-frac-neg46.1%
Simplified46.3%
Taylor expanded in x around 0 57.9%
Final simplification57.9%
(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 2024054
(FPCore (x y)
:name "Diagrams.TwoD.Layout.CirclePacking:approxRadius from diagrams-contrib-1.3.0.5"
:precision binary64
:alt
(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)))))