
(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 3 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}
(FPCore (x y) :precision binary64 (pow (cbrt (cos (* x (/ -0.5 y)))) -3.0))
double code(double x, double y) {
return pow(cbrt(cos((x * (-0.5 / y)))), -3.0);
}
public static double code(double x, double y) {
return Math.pow(Math.cbrt(Math.cos((x * (-0.5 / y)))), -3.0);
}
function code(x, y) return cbrt(cos(Float64(x * Float64(-0.5 / y)))) ^ -3.0 end
code[x_, y_] := N[Power[N[Power[N[Cos[N[(x * N[(-0.5 / y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision], 1/3], $MachinePrecision], -3.0], $MachinePrecision]
\begin{array}{l}
\\
{\left(\sqrt[3]{\cos \left(x \cdot \frac{-0.5}{y}\right)}\right)}^{-3}
\end{array}
Initial program 42.7%
remove-double-neg42.7%
distribute-frac-neg42.7%
tan-neg42.7%
distribute-frac-neg242.7%
distribute-lft-neg-out42.7%
distribute-frac-neg242.7%
distribute-lft-neg-out42.7%
distribute-frac-neg242.7%
distribute-frac-neg42.7%
neg-mul-142.7%
*-commutative42.7%
associate-/l*42.2%
*-commutative42.2%
associate-/r*42.2%
metadata-eval42.2%
sin-neg42.2%
distribute-frac-neg42.2%
Simplified43.0%
Taylor expanded in x around inf 52.9%
associate-*r/52.9%
*-commutative52.9%
associate-*r/53.1%
Simplified53.1%
add-cube-cbrt53.1%
pow353.1%
clear-num53.1%
un-div-inv52.9%
div-inv52.9%
metadata-eval52.9%
Applied egg-rr52.9%
pow-flip52.9%
*-un-lft-identity52.9%
*-commutative52.9%
times-frac52.9%
metadata-eval52.9%
metadata-eval52.9%
Applied egg-rr52.9%
associate-*r/52.9%
associate-*l/53.1%
*-commutative53.1%
Simplified53.1%
(FPCore (x y) :precision binary64 (/ 1.0 (cos (* x (/ -0.5 y)))))
double code(double x, double y) {
return 1.0 / cos((x * (-0.5 / y)));
}
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
public static double code(double x, double y) {
return 1.0 / Math.cos((x * (-0.5 / y)));
}
def code(x, y): return 1.0 / math.cos((x * (-0.5 / y)))
function code(x, y) return Float64(1.0 / cos(Float64(x * Float64(-0.5 / y)))) end
function tmp = code(x, y) tmp = 1.0 / cos((x * (-0.5 / y))); end
code[x_, y_] := N[(1.0 / N[Cos[N[(x * N[(-0.5 / y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{1}{\cos \left(x \cdot \frac{-0.5}{y}\right)}
\end{array}
Initial program 42.7%
remove-double-neg42.7%
distribute-frac-neg42.7%
tan-neg42.7%
distribute-frac-neg242.7%
distribute-lft-neg-out42.7%
distribute-frac-neg242.7%
distribute-lft-neg-out42.7%
distribute-frac-neg242.7%
distribute-frac-neg42.7%
neg-mul-142.7%
*-commutative42.7%
associate-/l*42.2%
*-commutative42.2%
associate-/r*42.2%
metadata-eval42.2%
sin-neg42.2%
distribute-frac-neg42.2%
Simplified43.0%
Taylor expanded in x around inf 52.9%
associate-*r/52.9%
*-commutative52.9%
associate-*r/53.1%
Simplified53.1%
(FPCore (x y) :precision binary64 1.0)
double code(double x, double y) {
return 1.0;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = 1.0d0
end function
public static double code(double x, double y) {
return 1.0;
}
def code(x, y): return 1.0
function code(x, y) return 1.0 end
function tmp = code(x, y) tmp = 1.0; end
code[x_, y_] := 1.0
\begin{array}{l}
\\
1
\end{array}
Initial program 42.7%
remove-double-neg42.7%
distribute-frac-neg42.7%
tan-neg42.7%
distribute-frac-neg242.7%
distribute-lft-neg-out42.7%
distribute-frac-neg242.7%
distribute-lft-neg-out42.7%
distribute-frac-neg242.7%
distribute-frac-neg42.7%
neg-mul-142.7%
*-commutative42.7%
associate-/l*42.2%
*-commutative42.2%
associate-/r*42.2%
metadata-eval42.2%
sin-neg42.2%
distribute-frac-neg42.2%
Simplified43.0%
Taylor expanded in x around 0 53.0%
(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 2024091
(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)))))