
(FPCore (a b angle) :precision binary64 (let* ((t_0 (* PI (/ angle 180.0)))) (+ (pow (* a (cos t_0)) 2.0) (pow (* b (sin t_0)) 2.0))))
double code(double a, double b, double angle) {
double t_0 = ((double) M_PI) * (angle / 180.0);
return pow((a * cos(t_0)), 2.0) + pow((b * sin(t_0)), 2.0);
}
public static double code(double a, double b, double angle) {
double t_0 = Math.PI * (angle / 180.0);
return Math.pow((a * Math.cos(t_0)), 2.0) + Math.pow((b * Math.sin(t_0)), 2.0);
}
def code(a, b, angle): t_0 = math.pi * (angle / 180.0) return math.pow((a * math.cos(t_0)), 2.0) + math.pow((b * math.sin(t_0)), 2.0)
function code(a, b, angle) t_0 = Float64(pi * Float64(angle / 180.0)) return Float64((Float64(a * cos(t_0)) ^ 2.0) + (Float64(b * sin(t_0)) ^ 2.0)) end
function tmp = code(a, b, angle) t_0 = pi * (angle / 180.0); tmp = ((a * cos(t_0)) ^ 2.0) + ((b * sin(t_0)) ^ 2.0); end
code[a_, b_, angle_] := Block[{t$95$0 = N[(Pi * N[(angle / 180.0), $MachinePrecision]), $MachinePrecision]}, N[(N[Power[N[(a * N[Cos[t$95$0], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \pi \cdot \frac{angle}{180}\\
{\left(a \cdot \cos t_0\right)}^{2} + {\left(b \cdot \sin t_0\right)}^{2}
\end{array}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 5 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (a b angle) :precision binary64 (let* ((t_0 (* PI (/ angle 180.0)))) (+ (pow (* a (cos t_0)) 2.0) (pow (* b (sin t_0)) 2.0))))
double code(double a, double b, double angle) {
double t_0 = ((double) M_PI) * (angle / 180.0);
return pow((a * cos(t_0)), 2.0) + pow((b * sin(t_0)), 2.0);
}
public static double code(double a, double b, double angle) {
double t_0 = Math.PI * (angle / 180.0);
return Math.pow((a * Math.cos(t_0)), 2.0) + Math.pow((b * Math.sin(t_0)), 2.0);
}
def code(a, b, angle): t_0 = math.pi * (angle / 180.0) return math.pow((a * math.cos(t_0)), 2.0) + math.pow((b * math.sin(t_0)), 2.0)
function code(a, b, angle) t_0 = Float64(pi * Float64(angle / 180.0)) return Float64((Float64(a * cos(t_0)) ^ 2.0) + (Float64(b * sin(t_0)) ^ 2.0)) end
function tmp = code(a, b, angle) t_0 = pi * (angle / 180.0); tmp = ((a * cos(t_0)) ^ 2.0) + ((b * sin(t_0)) ^ 2.0); end
code[a_, b_, angle_] := Block[{t$95$0 = N[(Pi * N[(angle / 180.0), $MachinePrecision]), $MachinePrecision]}, N[(N[Power[N[(a * N[Cos[t$95$0], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \pi \cdot \frac{angle}{180}\\
{\left(a \cdot \cos t_0\right)}^{2} + {\left(b \cdot \sin t_0\right)}^{2}
\end{array}
\end{array}
(FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (pow (* b (sin (* PI (/ angle 180.0)))) 2.0)))
double code(double a, double b, double angle) {
return pow(a, 2.0) + pow((b * sin((((double) M_PI) * (angle / 180.0)))), 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + Math.pow((b * Math.sin((Math.PI * (angle / 180.0)))), 2.0);
}
def code(a, b, angle): return math.pow(a, 2.0) + math.pow((b * math.sin((math.pi * (angle / 180.0)))), 2.0)
function code(a, b, angle) return Float64((a ^ 2.0) + (Float64(b * sin(Float64(pi * Float64(angle / 180.0)))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((b * sin((pi * (angle / 180.0)))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[Power[N[(b * N[Sin[N[(Pi * N[(angle / 180.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2}
\end{array}
Initial program 81.6%
Taylor expanded in angle around 0 81.7%
Final simplification81.7%
(FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (pow (* b (sin (* 0.005555555555555556 (* PI angle)))) 2.0)))
double code(double a, double b, double angle) {
return pow(a, 2.0) + pow((b * sin((0.005555555555555556 * (((double) M_PI) * angle)))), 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + Math.pow((b * Math.sin((0.005555555555555556 * (Math.PI * angle)))), 2.0);
}
def code(a, b, angle): return math.pow(a, 2.0) + math.pow((b * math.sin((0.005555555555555556 * (math.pi * angle)))), 2.0)
function code(a, b, angle) return Float64((a ^ 2.0) + (Float64(b * sin(Float64(0.005555555555555556 * Float64(pi * angle)))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((b * sin((0.005555555555555556 * (pi * angle)))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[Power[N[(b * N[Sin[N[(0.005555555555555556 * N[(Pi * angle), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + {\left(b \cdot \sin \left(0.005555555555555556 \cdot \left(\pi \cdot angle\right)\right)\right)}^{2}
\end{array}
Initial program 81.6%
Taylor expanded in angle around 0 81.7%
Taylor expanded in b around 0 71.2%
unpow271.2%
*-commutative71.2%
associate-*r*71.2%
*-commutative71.2%
*-commutative71.2%
unpow271.2%
swap-sqr81.6%
unpow281.6%
associate-*r*81.6%
*-commutative81.6%
*-commutative81.6%
*-commutative81.6%
Simplified81.6%
Final simplification81.6%
(FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (* (* b (* (* PI angle) (* b 0.005555555555555556))) (* angle (* PI 0.005555555555555556)))))
double code(double a, double b, double angle) {
return pow(a, 2.0) + ((b * ((((double) M_PI) * angle) * (b * 0.005555555555555556))) * (angle * (((double) M_PI) * 0.005555555555555556)));
}
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + ((b * ((Math.PI * angle) * (b * 0.005555555555555556))) * (angle * (Math.PI * 0.005555555555555556)));
}
def code(a, b, angle): return math.pow(a, 2.0) + ((b * ((math.pi * angle) * (b * 0.005555555555555556))) * (angle * (math.pi * 0.005555555555555556)))
function code(a, b, angle) return Float64((a ^ 2.0) + Float64(Float64(b * Float64(Float64(pi * angle) * Float64(b * 0.005555555555555556))) * Float64(angle * Float64(pi * 0.005555555555555556)))) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((b * ((pi * angle) * (b * 0.005555555555555556))) * (angle * (pi * 0.005555555555555556))); end
code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[(N[(b * N[(N[(Pi * angle), $MachinePrecision] * N[(b * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(angle * N[(Pi * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + \left(b \cdot \left(\left(\pi \cdot angle\right) \cdot \left(b \cdot 0.005555555555555556\right)\right)\right) \cdot \left(angle \cdot \left(\pi \cdot 0.005555555555555556\right)\right)
\end{array}
Initial program 81.6%
Taylor expanded in angle around 0 81.7%
Taylor expanded in angle around 0 76.5%
*-commutative76.5%
*-commutative76.5%
associate-*r*76.5%
Simplified76.5%
unpow276.5%
associate-*r*76.9%
*-commutative76.9%
associate-*r*76.9%
associate-*l*76.9%
*-commutative76.9%
*-commutative76.9%
associate-*l*76.9%
Applied egg-rr76.9%
Final simplification76.9%
(FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (pow (* 0.005555555555555556 (* angle (* b PI))) 2.0)))
double code(double a, double b, double angle) {
return pow(a, 2.0) + pow((0.005555555555555556 * (angle * (b * ((double) M_PI)))), 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + Math.pow((0.005555555555555556 * (angle * (b * Math.PI))), 2.0);
}
def code(a, b, angle): return math.pow(a, 2.0) + math.pow((0.005555555555555556 * (angle * (b * math.pi))), 2.0)
function code(a, b, angle) return Float64((a ^ 2.0) + (Float64(0.005555555555555556 * Float64(angle * Float64(b * pi))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((0.005555555555555556 * (angle * (b * pi))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[Power[N[(0.005555555555555556 * N[(angle * N[(b * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + {\left(0.005555555555555556 \cdot \left(angle \cdot \left(b \cdot \pi\right)\right)\right)}^{2}
\end{array}
Initial program 81.6%
Taylor expanded in angle around 0 81.7%
Taylor expanded in angle around 0 76.5%
*-commutative76.5%
Simplified76.5%
Final simplification76.5%
(FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (pow (* b (* angle (/ PI 180.0))) 2.0)))
double code(double a, double b, double angle) {
return pow(a, 2.0) + pow((b * (angle * (((double) M_PI) / 180.0))), 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + Math.pow((b * (angle * (Math.PI / 180.0))), 2.0);
}
def code(a, b, angle): return math.pow(a, 2.0) + math.pow((b * (angle * (math.pi / 180.0))), 2.0)
function code(a, b, angle) return Float64((a ^ 2.0) + (Float64(b * Float64(angle * Float64(pi / 180.0))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((b * (angle * (pi / 180.0))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[Power[N[(b * N[(angle * N[(Pi / 180.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + {\left(b \cdot \left(angle \cdot \frac{\pi}{180}\right)\right)}^{2}
\end{array}
Initial program 81.6%
Taylor expanded in angle around 0 81.7%
Taylor expanded in angle around 0 76.5%
metadata-eval76.5%
*-commutative76.5%
associate-/r/76.5%
metadata-eval76.5%
metadata-eval76.5%
distribute-neg-frac76.5%
associate-/l*76.5%
metadata-eval76.5%
neg-mul-176.5%
distribute-frac-neg76.5%
remove-double-neg76.5%
associate-*l/76.5%
*-commutative76.5%
Simplified76.5%
Final simplification76.5%
herbie shell --seed 2023321
(FPCore (a b angle)
:name "ab-angle->ABCF C"
:precision binary64
(+ (pow (* a (cos (* PI (/ angle 180.0)))) 2.0) (pow (* b (sin (* PI (/ angle 180.0)))) 2.0)))