
(FPCore (a b angle) :precision binary64 (let* ((t_0 (* (/ angle 180.0) PI))) (+ (pow (* a (sin t_0)) 2.0) (pow (* b (cos t_0)) 2.0))))
double code(double a, double b, double angle) {
double t_0 = (angle / 180.0) * ((double) M_PI);
return pow((a * sin(t_0)), 2.0) + pow((b * cos(t_0)), 2.0);
}
public static double code(double a, double b, double angle) {
double t_0 = (angle / 180.0) * Math.PI;
return Math.pow((a * Math.sin(t_0)), 2.0) + Math.pow((b * Math.cos(t_0)), 2.0);
}
def code(a, b, angle): t_0 = (angle / 180.0) * math.pi return math.pow((a * math.sin(t_0)), 2.0) + math.pow((b * math.cos(t_0)), 2.0)
function code(a, b, angle) t_0 = Float64(Float64(angle / 180.0) * pi) return Float64((Float64(a * sin(t_0)) ^ 2.0) + (Float64(b * cos(t_0)) ^ 2.0)) end
function tmp = code(a, b, angle) t_0 = (angle / 180.0) * pi; tmp = ((a * sin(t_0)) ^ 2.0) + ((b * cos(t_0)) ^ 2.0); end
code[a_, b_, angle_] := Block[{t$95$0 = N[(N[(angle / 180.0), $MachinePrecision] * Pi), $MachinePrecision]}, N[(N[Power[N[(a * N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * N[Cos[t$95$0], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{angle}{180} \cdot \pi\\
{\left(a \cdot \sin t_0\right)}^{2} + {\left(b \cdot \cos t_0\right)}^{2}
\end{array}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 6 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (a b angle) :precision binary64 (let* ((t_0 (* (/ angle 180.0) PI))) (+ (pow (* a (sin t_0)) 2.0) (pow (* b (cos t_0)) 2.0))))
double code(double a, double b, double angle) {
double t_0 = (angle / 180.0) * ((double) M_PI);
return pow((a * sin(t_0)), 2.0) + pow((b * cos(t_0)), 2.0);
}
public static double code(double a, double b, double angle) {
double t_0 = (angle / 180.0) * Math.PI;
return Math.pow((a * Math.sin(t_0)), 2.0) + Math.pow((b * Math.cos(t_0)), 2.0);
}
def code(a, b, angle): t_0 = (angle / 180.0) * math.pi return math.pow((a * math.sin(t_0)), 2.0) + math.pow((b * math.cos(t_0)), 2.0)
function code(a, b, angle) t_0 = Float64(Float64(angle / 180.0) * pi) return Float64((Float64(a * sin(t_0)) ^ 2.0) + (Float64(b * cos(t_0)) ^ 2.0)) end
function tmp = code(a, b, angle) t_0 = (angle / 180.0) * pi; tmp = ((a * sin(t_0)) ^ 2.0) + ((b * cos(t_0)) ^ 2.0); end
code[a_, b_, angle_] := Block[{t$95$0 = N[(N[(angle / 180.0), $MachinePrecision] * Pi), $MachinePrecision]}, N[(N[Power[N[(a * N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * N[Cos[t$95$0], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{angle}{180} \cdot \pi\\
{\left(a \cdot \sin t_0\right)}^{2} + {\left(b \cdot \cos t_0\right)}^{2}
\end{array}
\end{array}
(FPCore (a b angle) :precision binary64 (+ (pow (* a (sin (/ PI (/ 180.0 angle)))) 2.0) (pow b 2.0)))
double code(double a, double b, double angle) {
return pow((a * sin((((double) M_PI) / (180.0 / angle)))), 2.0) + pow(b, 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow((a * Math.sin((Math.PI / (180.0 / angle)))), 2.0) + Math.pow(b, 2.0);
}
def code(a, b, angle): return math.pow((a * math.sin((math.pi / (180.0 / angle)))), 2.0) + math.pow(b, 2.0)
function code(a, b, angle) return Float64((Float64(a * sin(Float64(pi / Float64(180.0 / angle)))) ^ 2.0) + (b ^ 2.0)) end
function tmp = code(a, b, angle) tmp = ((a * sin((pi / (180.0 / angle)))) ^ 2.0) + (b ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[N[(a * N[Sin[N[(Pi / N[(180.0 / angle), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{\left(a \cdot \sin \left(\frac{\pi}{\frac{180}{angle}}\right)\right)}^{2} + {b}^{2}
\end{array}
Initial program 81.2%
unpow281.2%
*-commutative81.2%
associate-*r/81.1%
associate-/l*81.2%
unpow281.2%
*-commutative81.2%
associate-*r/81.2%
associate-/l*81.3%
Simplified81.3%
*-un-lft-identity81.3%
div-inv81.3%
times-frac81.4%
metadata-eval81.4%
Applied egg-rr81.4%
Taylor expanded in angle around 0 81.4%
Final simplification81.4%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (pow (* a (sin (* 0.005555555555555556 (* PI angle)))) 2.0)))
double code(double a, double b, double angle) {
return pow(b, 2.0) + pow((a * sin((0.005555555555555556 * (((double) M_PI) * angle)))), 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + Math.pow((a * Math.sin((0.005555555555555556 * (Math.PI * angle)))), 2.0);
}
def code(a, b, angle): return math.pow(b, 2.0) + math.pow((a * math.sin((0.005555555555555556 * (math.pi * angle)))), 2.0)
function code(a, b, angle) return Float64((b ^ 2.0) + (Float64(a * sin(Float64(0.005555555555555556 * Float64(pi * angle)))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + ((a * sin((0.005555555555555556 * (pi * angle)))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[Power[N[(a * N[Sin[N[(0.005555555555555556 * N[(Pi * angle), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + {\left(a \cdot \sin \left(0.005555555555555556 \cdot \left(\pi \cdot angle\right)\right)\right)}^{2}
\end{array}
Initial program 81.2%
unpow281.2%
swap-sqr81.2%
*-commutative81.2%
associate-*r/81.1%
associate-*l/81.1%
*-commutative81.1%
swap-sqr81.1%
unpow281.1%
*-commutative81.1%
associate-*r/81.2%
associate-*l/81.2%
*-commutative81.2%
Simplified81.2%
Taylor expanded in angle around 0 81.4%
Taylor expanded in angle around inf 81.4%
Final simplification81.4%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (* (pow (* a (* PI angle)) 2.0) 3.08641975308642e-5)))
double code(double a, double b, double angle) {
return pow(b, 2.0) + (pow((a * (((double) M_PI) * angle)), 2.0) * 3.08641975308642e-5);
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + (Math.pow((a * (Math.PI * angle)), 2.0) * 3.08641975308642e-5);
}
def code(a, b, angle): return math.pow(b, 2.0) + (math.pow((a * (math.pi * angle)), 2.0) * 3.08641975308642e-5)
function code(a, b, angle) return Float64((b ^ 2.0) + Float64((Float64(a * Float64(pi * angle)) ^ 2.0) * 3.08641975308642e-5)) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + (((a * (pi * angle)) ^ 2.0) * 3.08641975308642e-5); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[(N[Power[N[(a * N[(Pi * angle), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] * 3.08641975308642e-5), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + {\left(a \cdot \left(\pi \cdot angle\right)\right)}^{2} \cdot 3.08641975308642 \cdot 10^{-5}
\end{array}
Initial program 81.2%
unpow281.2%
swap-sqr81.2%
*-commutative81.2%
associate-*r/81.1%
associate-*l/81.1%
*-commutative81.1%
swap-sqr81.1%
unpow281.1%
*-commutative81.1%
associate-*r/81.2%
associate-*l/81.2%
*-commutative81.2%
Simplified81.2%
Taylor expanded in angle around 0 81.4%
Taylor expanded in angle around 0 77.8%
*-commutative77.8%
unpow-prod-down77.9%
*-commutative77.9%
metadata-eval77.9%
Applied egg-rr77.9%
Final simplification77.9%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (* (* a 0.005555555555555556) (* (* PI angle) (* a (* PI (* angle 0.005555555555555556)))))))
double code(double a, double b, double angle) {
return pow(b, 2.0) + ((a * 0.005555555555555556) * ((((double) M_PI) * angle) * (a * (((double) M_PI) * (angle * 0.005555555555555556)))));
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + ((a * 0.005555555555555556) * ((Math.PI * angle) * (a * (Math.PI * (angle * 0.005555555555555556)))));
}
def code(a, b, angle): return math.pow(b, 2.0) + ((a * 0.005555555555555556) * ((math.pi * angle) * (a * (math.pi * (angle * 0.005555555555555556)))))
function code(a, b, angle) return Float64((b ^ 2.0) + Float64(Float64(a * 0.005555555555555556) * Float64(Float64(pi * angle) * Float64(a * Float64(pi * Float64(angle * 0.005555555555555556)))))) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + ((a * 0.005555555555555556) * ((pi * angle) * (a * (pi * (angle * 0.005555555555555556))))); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[(N[(a * 0.005555555555555556), $MachinePrecision] * N[(N[(Pi * angle), $MachinePrecision] * N[(a * N[(Pi * N[(angle * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + \left(a \cdot 0.005555555555555556\right) \cdot \left(\left(\pi \cdot angle\right) \cdot \left(a \cdot \left(\pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)\right)\right)
\end{array}
Initial program 81.2%
unpow281.2%
swap-sqr81.2%
*-commutative81.2%
associate-*r/81.1%
associate-*l/81.1%
*-commutative81.1%
swap-sqr81.1%
unpow281.1%
*-commutative81.1%
associate-*r/81.2%
associate-*l/81.2%
*-commutative81.2%
Simplified81.2%
Taylor expanded in angle around 0 81.4%
Taylor expanded in angle around 0 77.8%
unpow277.8%
associate-*r*77.9%
associate-*l*77.2%
*-commutative77.2%
*-commutative77.2%
*-commutative77.2%
associate-*l*77.2%
*-commutative77.2%
associate-*r*77.2%
Applied egg-rr77.2%
Final simplification77.2%
(FPCore (a b angle) :precision binary64 (let* ((t_0 (* a (* PI (* angle 0.005555555555555556))))) (+ (pow b 2.0) (* t_0 t_0))))
double code(double a, double b, double angle) {
double t_0 = a * (((double) M_PI) * (angle * 0.005555555555555556));
return pow(b, 2.0) + (t_0 * t_0);
}
public static double code(double a, double b, double angle) {
double t_0 = a * (Math.PI * (angle * 0.005555555555555556));
return Math.pow(b, 2.0) + (t_0 * t_0);
}
def code(a, b, angle): t_0 = a * (math.pi * (angle * 0.005555555555555556)) return math.pow(b, 2.0) + (t_0 * t_0)
function code(a, b, angle) t_0 = Float64(a * Float64(pi * Float64(angle * 0.005555555555555556))) return Float64((b ^ 2.0) + Float64(t_0 * t_0)) end
function tmp = code(a, b, angle) t_0 = a * (pi * (angle * 0.005555555555555556)); tmp = (b ^ 2.0) + (t_0 * t_0); end
code[a_, b_, angle_] := Block[{t$95$0 = N[(a * N[(Pi * N[(angle * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, N[(N[Power[b, 2.0], $MachinePrecision] + N[(t$95$0 * t$95$0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := a \cdot \left(\pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)\\
{b}^{2} + t_0 \cdot t_0
\end{array}
\end{array}
Initial program 81.2%
unpow281.2%
swap-sqr81.2%
*-commutative81.2%
associate-*r/81.1%
associate-*l/81.1%
*-commutative81.1%
swap-sqr81.1%
unpow281.1%
*-commutative81.1%
associate-*r/81.2%
associate-*l/81.2%
*-commutative81.2%
Simplified81.2%
Taylor expanded in angle around 0 81.4%
Taylor expanded in angle around 0 77.8%
unpow277.8%
*-commutative77.8%
associate-*l*77.9%
*-commutative77.9%
associate-*r*77.9%
*-commutative77.9%
associate-*l*77.9%
*-commutative77.9%
associate-*r*77.8%
Applied egg-rr77.8%
Final simplification77.8%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (* 0.005555555555555556 (* (* a (* PI angle)) (* a (* PI (* angle 0.005555555555555556)))))))
double code(double a, double b, double angle) {
return pow(b, 2.0) + (0.005555555555555556 * ((a * (((double) M_PI) * angle)) * (a * (((double) M_PI) * (angle * 0.005555555555555556)))));
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + (0.005555555555555556 * ((a * (Math.PI * angle)) * (a * (Math.PI * (angle * 0.005555555555555556)))));
}
def code(a, b, angle): return math.pow(b, 2.0) + (0.005555555555555556 * ((a * (math.pi * angle)) * (a * (math.pi * (angle * 0.005555555555555556)))))
function code(a, b, angle) return Float64((b ^ 2.0) + Float64(0.005555555555555556 * Float64(Float64(a * Float64(pi * angle)) * Float64(a * Float64(pi * Float64(angle * 0.005555555555555556)))))) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + (0.005555555555555556 * ((a * (pi * angle)) * (a * (pi * (angle * 0.005555555555555556))))); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[(0.005555555555555556 * N[(N[(a * N[(Pi * angle), $MachinePrecision]), $MachinePrecision] * N[(a * N[(Pi * N[(angle * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + 0.005555555555555556 \cdot \left(\left(a \cdot \left(\pi \cdot angle\right)\right) \cdot \left(a \cdot \left(\pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)\right)\right)
\end{array}
Initial program 81.2%
unpow281.2%
swap-sqr81.2%
*-commutative81.2%
associate-*r/81.1%
associate-*l/81.1%
*-commutative81.1%
swap-sqr81.1%
unpow281.1%
*-commutative81.1%
associate-*r/81.2%
associate-*l/81.2%
*-commutative81.2%
Simplified81.2%
Taylor expanded in angle around 0 81.4%
Taylor expanded in angle around 0 77.8%
unpow277.8%
*-commutative77.8%
associate-*r*77.8%
*-commutative77.8%
associate-*l*77.9%
*-commutative77.9%
associate-*r*77.9%
*-commutative77.9%
Applied egg-rr77.9%
Final simplification77.9%
herbie shell --seed 2024021
(FPCore (a b angle)
:name "ab-angle->ABCF A"
:precision binary64
(+ (pow (* a (sin (* (/ angle 180.0) PI))) 2.0) (pow (* b (cos (* (/ angle 180.0) PI))) 2.0)))