
(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 (* -0.005555555555555556 (/ PI (/ 1.0 angle))))) 2.0)))
double code(double a, double b, double angle) {
return pow(a, 2.0) + pow((b * sin((-0.005555555555555556 * (((double) M_PI) / (1.0 / 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 / (1.0 / angle))))), 2.0);
}
def code(a, b, angle): return math.pow(a, 2.0) + math.pow((b * math.sin((-0.005555555555555556 * (math.pi / (1.0 / angle))))), 2.0)
function code(a, b, angle) return Float64((a ^ 2.0) + (Float64(b * sin(Float64(-0.005555555555555556 * Float64(pi / Float64(1.0 / angle))))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((b * sin((-0.005555555555555556 * (pi / (1.0 / 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 / N[(1.0 / angle), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + {\left(b \cdot \sin \left(-0.005555555555555556 \cdot \frac{\pi}{\frac{1}{angle}}\right)\right)}^{2}
\end{array}
Initial program 81.2%
Simplified81.2%
*-un-lft-identity81.2%
div-inv81.2%
times-frac81.2%
metadata-eval81.2%
Applied egg-rr81.2%
Taylor expanded in angle around 0 81.3%
Final simplification81.3%
(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 81.2%
Simplified81.2%
Taylor expanded in angle around 0 81.2%
Taylor expanded in angle around 0 81.3%
Final simplification81.3%
(FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (* (* -0.005555555555555556 angle) (* (* b PI) (* (* b PI) (* -0.005555555555555556 angle))))))
double code(double a, double b, double angle) {
return pow(a, 2.0) + ((-0.005555555555555556 * angle) * ((b * ((double) M_PI)) * ((b * ((double) M_PI)) * (-0.005555555555555556 * angle))));
}
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + ((-0.005555555555555556 * angle) * ((b * Math.PI) * ((b * Math.PI) * (-0.005555555555555556 * angle))));
}
def code(a, b, angle): return math.pow(a, 2.0) + ((-0.005555555555555556 * angle) * ((b * math.pi) * ((b * math.pi) * (-0.005555555555555556 * angle))))
function code(a, b, angle) return Float64((a ^ 2.0) + Float64(Float64(-0.005555555555555556 * angle) * Float64(Float64(b * pi) * Float64(Float64(b * pi) * Float64(-0.005555555555555556 * angle))))) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((-0.005555555555555556 * angle) * ((b * pi) * ((b * pi) * (-0.005555555555555556 * angle)))); end
code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[(N[(-0.005555555555555556 * angle), $MachinePrecision] * N[(N[(b * Pi), $MachinePrecision] * N[(N[(b * Pi), $MachinePrecision] * N[(-0.005555555555555556 * angle), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + \left(-0.005555555555555556 \cdot angle\right) \cdot \left(\left(b \cdot \pi\right) \cdot \left(\left(b \cdot \pi\right) \cdot \left(-0.005555555555555556 \cdot angle\right)\right)\right)
\end{array}
Initial program 81.2%
Simplified81.2%
Taylor expanded in angle around 0 81.2%
Taylor expanded in angle around 0 77.4%
unpow277.4%
associate-*r*77.4%
associate-*l*75.4%
*-commutative75.4%
*-commutative75.4%
*-commutative75.4%
associate-*l*75.4%
*-commutative75.4%
*-commutative75.4%
Applied egg-rr75.4%
Final simplification75.4%
(FPCore (a b angle) :precision binary64 (let* ((t_0 (* (* b PI) (* -0.005555555555555556 angle)))) (+ (pow a 2.0) (* t_0 t_0))))
double code(double a, double b, double angle) {
double t_0 = (b * ((double) M_PI)) * (-0.005555555555555556 * angle);
return pow(a, 2.0) + (t_0 * t_0);
}
public static double code(double a, double b, double angle) {
double t_0 = (b * Math.PI) * (-0.005555555555555556 * angle);
return Math.pow(a, 2.0) + (t_0 * t_0);
}
def code(a, b, angle): t_0 = (b * math.pi) * (-0.005555555555555556 * angle) return math.pow(a, 2.0) + (t_0 * t_0)
function code(a, b, angle) t_0 = Float64(Float64(b * pi) * Float64(-0.005555555555555556 * angle)) return Float64((a ^ 2.0) + Float64(t_0 * t_0)) end
function tmp = code(a, b, angle) t_0 = (b * pi) * (-0.005555555555555556 * angle); tmp = (a ^ 2.0) + (t_0 * t_0); end
code[a_, b_, angle_] := Block[{t$95$0 = N[(N[(b * Pi), $MachinePrecision] * N[(-0.005555555555555556 * angle), $MachinePrecision]), $MachinePrecision]}, N[(N[Power[a, 2.0], $MachinePrecision] + N[(t$95$0 * t$95$0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(b \cdot \pi\right) \cdot \left(-0.005555555555555556 \cdot angle\right)\\
{a}^{2} + t_0 \cdot t_0
\end{array}
\end{array}
Initial program 81.2%
Simplified81.2%
Taylor expanded in angle around 0 81.2%
Taylor expanded in angle around 0 77.4%
unpow277.4%
*-commutative77.4%
*-commutative77.4%
*-commutative77.4%
associate-*l*77.4%
*-commutative77.4%
*-commutative77.4%
*-commutative77.4%
associate-*l*77.4%
*-commutative77.4%
*-commutative77.4%
Applied egg-rr77.4%
Final simplification77.4%
(FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (* (* -0.005555555555555556 (* (* b PI) (* -0.005555555555555556 angle))) (* angle (* b PI)))))
double code(double a, double b, double angle) {
return pow(a, 2.0) + ((-0.005555555555555556 * ((b * ((double) M_PI)) * (-0.005555555555555556 * angle))) * (angle * (b * ((double) M_PI))));
}
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + ((-0.005555555555555556 * ((b * Math.PI) * (-0.005555555555555556 * angle))) * (angle * (b * Math.PI)));
}
def code(a, b, angle): return math.pow(a, 2.0) + ((-0.005555555555555556 * ((b * math.pi) * (-0.005555555555555556 * angle))) * (angle * (b * math.pi)))
function code(a, b, angle) return Float64((a ^ 2.0) + Float64(Float64(-0.005555555555555556 * Float64(Float64(b * pi) * Float64(-0.005555555555555556 * angle))) * Float64(angle * Float64(b * pi)))) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((-0.005555555555555556 * ((b * pi) * (-0.005555555555555556 * angle))) * (angle * (b * pi))); end
code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[(N[(-0.005555555555555556 * N[(N[(b * Pi), $MachinePrecision] * N[(-0.005555555555555556 * angle), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(angle * N[(b * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + \left(-0.005555555555555556 \cdot \left(\left(b \cdot \pi\right) \cdot \left(-0.005555555555555556 \cdot angle\right)\right)\right) \cdot \left(angle \cdot \left(b \cdot \pi\right)\right)
\end{array}
Initial program 81.2%
Simplified81.2%
Taylor expanded in angle around 0 81.2%
Taylor expanded in angle around 0 77.4%
unpow277.4%
associate-*r*77.4%
*-commutative77.4%
*-commutative77.4%
associate-*l*77.4%
*-commutative77.4%
*-commutative77.4%
*-commutative77.4%
Applied egg-rr77.4%
Final simplification77.4%
herbie shell --seed 2024021
(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)))