
(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 7 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 (/ 1.0 (/ (/ 1.0 (* PI angle)) -0.005555555555555556)))) 2.0)))
double code(double a, double b, double angle) {
return pow(a, 2.0) + pow((b * sin((1.0 / ((1.0 / (((double) M_PI) * angle)) / -0.005555555555555556)))), 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + Math.pow((b * Math.sin((1.0 / ((1.0 / (Math.PI * angle)) / -0.005555555555555556)))), 2.0);
}
def code(a, b, angle): return math.pow(a, 2.0) + math.pow((b * math.sin((1.0 / ((1.0 / (math.pi * angle)) / -0.005555555555555556)))), 2.0)
function code(a, b, angle) return Float64((a ^ 2.0) + (Float64(b * sin(Float64(1.0 / Float64(Float64(1.0 / Float64(pi * angle)) / -0.005555555555555556)))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((b * sin((1.0 / ((1.0 / (pi * angle)) / -0.005555555555555556)))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[Power[N[(b * N[Sin[N[(1.0 / N[(N[(1.0 / N[(Pi * angle), $MachinePrecision]), $MachinePrecision] / -0.005555555555555556), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + {\left(b \cdot \sin \left(\frac{1}{\frac{\frac{1}{\pi \cdot angle}}{-0.005555555555555556}}\right)\right)}^{2}
\end{array}
Initial program 79.7%
Taylor expanded in angle around 0 81.0%
associate-*r/81.0%
clear-num81.1%
Applied egg-rr81.1%
clear-num81.1%
inv-pow81.1%
clear-num81.1%
add-sqr-sqrt36.2%
sqrt-unprod64.9%
associate-/r/64.9%
associate-/r/64.9%
swap-sqr64.5%
metadata-eval64.5%
metadata-eval64.5%
metadata-eval64.5%
metadata-eval64.5%
swap-sqr64.9%
sqrt-unprod44.8%
add-sqr-sqrt81.1%
*-commutative81.1%
associate-*r*81.1%
Applied egg-rr81.1%
unpow-181.1%
associate-*r*81.1%
associate-/r*81.2%
Applied egg-rr81.2%
Final simplification81.2%
(FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (pow (* b (sin (/ 1.0 (/ 180.0 (* PI angle))))) 2.0)))
double code(double a, double b, double angle) {
return pow(a, 2.0) + pow((b * sin((1.0 / (180.0 / (((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((1.0 / (180.0 / (Math.PI * angle))))), 2.0);
}
def code(a, b, angle): return math.pow(a, 2.0) + math.pow((b * math.sin((1.0 / (180.0 / (math.pi * angle))))), 2.0)
function code(a, b, angle) return Float64((a ^ 2.0) + (Float64(b * sin(Float64(1.0 / Float64(180.0 / Float64(pi * angle))))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((b * sin((1.0 / (180.0 / (pi * angle))))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[Power[N[(b * N[Sin[N[(1.0 / N[(180.0 / N[(Pi * angle), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + {\left(b \cdot \sin \left(\frac{1}{\frac{180}{\pi \cdot angle}}\right)\right)}^{2}
\end{array}
Initial program 79.7%
Taylor expanded in angle around 0 81.0%
associate-*r/81.0%
clear-num81.1%
Applied egg-rr81.1%
Final simplification81.1%
(FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (pow (* b (sin (* PI (* angle -0.005555555555555556)))) 2.0)))
double code(double a, double b, double angle) {
return pow(a, 2.0) + pow((b * sin((((double) M_PI) * (angle * -0.005555555555555556)))), 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 * -0.005555555555555556)))), 2.0);
}
def code(a, b, angle): return math.pow(a, 2.0) + math.pow((b * math.sin((math.pi * (angle * -0.005555555555555556)))), 2.0)
function code(a, b, angle) return Float64((a ^ 2.0) + (Float64(b * sin(Float64(pi * Float64(angle * -0.005555555555555556)))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((b * sin((pi * (angle * -0.005555555555555556)))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[Power[N[(b * N[Sin[N[(Pi * N[(angle * -0.005555555555555556), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + {\left(b \cdot \sin \left(\pi \cdot \left(angle \cdot -0.005555555555555556\right)\right)\right)}^{2}
\end{array}
Initial program 79.7%
unpow279.7%
swap-sqr73.0%
sqr-neg73.0%
swap-sqr79.7%
unpow279.7%
distribute-lft-neg-out79.7%
distribute-rgt-neg-in79.7%
sin-neg79.7%
distribute-rgt-neg-out79.7%
distribute-frac-neg79.7%
unpow279.7%
associate-*l*79.1%
Simplified79.8%
Taylor expanded in angle around 0 81.0%
Final simplification81.0%
(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(Float64(pi * 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[(N[(Pi * angle), $MachinePrecision] / 180.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + {\left(b \cdot \sin \left(\frac{\pi \cdot angle}{180}\right)\right)}^{2}
\end{array}
Initial program 79.7%
Taylor expanded in angle around 0 81.0%
associate-*r/81.0%
Applied egg-rr81.0%
Final simplification81.0%
(FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (* 3.08641975308642e-5 (pow (* angle (* b PI)) 2.0))))
double code(double a, double b, double angle) {
return pow(a, 2.0) + (3.08641975308642e-5 * pow((angle * (b * ((double) M_PI))), 2.0));
}
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + (3.08641975308642e-5 * Math.pow((angle * (b * Math.PI)), 2.0));
}
def code(a, b, angle): return math.pow(a, 2.0) + (3.08641975308642e-5 * math.pow((angle * (b * math.pi)), 2.0))
function code(a, b, angle) return Float64((a ^ 2.0) + Float64(3.08641975308642e-5 * (Float64(angle * Float64(b * pi)) ^ 2.0))) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + (3.08641975308642e-5 * ((angle * (b * pi)) ^ 2.0)); end
code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[(3.08641975308642e-5 * N[Power[N[(angle * N[(b * Pi), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + 3.08641975308642 \cdot 10^{-5} \cdot {\left(angle \cdot \left(b \cdot \pi\right)\right)}^{2}
\end{array}
Initial program 79.7%
Taylor expanded in angle around 0 81.0%
Taylor expanded in angle around 0 75.4%
*-commutative75.4%
Simplified75.4%
Taylor expanded in angle around 0 69.5%
*-commutative69.5%
*-commutative69.5%
unpow269.5%
unpow269.5%
swap-sqr69.5%
unpow269.5%
swap-sqr75.5%
associate-*r*75.4%
associate-*r*75.8%
unpow275.8%
associate-*r*75.5%
*-commutative75.5%
Simplified75.5%
Final simplification75.5%
(FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (* (pow (* PI (* b angle)) 2.0) 3.08641975308642e-5)))
double code(double a, double b, double angle) {
return pow(a, 2.0) + (pow((((double) M_PI) * (b * angle)), 2.0) * 3.08641975308642e-5);
}
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + (Math.pow((Math.PI * (b * angle)), 2.0) * 3.08641975308642e-5);
}
def code(a, b, angle): return math.pow(a, 2.0) + (math.pow((math.pi * (b * angle)), 2.0) * 3.08641975308642e-5)
function code(a, b, angle) return Float64((a ^ 2.0) + Float64((Float64(pi * Float64(b * angle)) ^ 2.0) * 3.08641975308642e-5)) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + (((pi * (b * angle)) ^ 2.0) * 3.08641975308642e-5); end
code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[(N[Power[N[(Pi * N[(b * angle), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] * 3.08641975308642e-5), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + {\left(\pi \cdot \left(b \cdot angle\right)\right)}^{2} \cdot 3.08641975308642 \cdot 10^{-5}
\end{array}
Initial program 79.7%
Taylor expanded in angle around 0 81.0%
Taylor expanded in angle around 0 75.4%
*-commutative75.4%
Simplified75.4%
*-commutative75.4%
unpow-prod-down75.5%
*-commutative75.5%
associate-*l*75.8%
metadata-eval75.8%
Applied egg-rr75.8%
Final simplification75.8%
(FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (pow (* PI (* angle (* b 0.005555555555555556))) 2.0)))
double code(double a, double b, double angle) {
return pow(a, 2.0) + pow((((double) M_PI) * (angle * (b * 0.005555555555555556))), 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + Math.pow((Math.PI * (angle * (b * 0.005555555555555556))), 2.0);
}
def code(a, b, angle): return math.pow(a, 2.0) + math.pow((math.pi * (angle * (b * 0.005555555555555556))), 2.0)
function code(a, b, angle) return Float64((a ^ 2.0) + (Float64(pi * Float64(angle * Float64(b * 0.005555555555555556))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((pi * (angle * (b * 0.005555555555555556))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[Power[N[(Pi * N[(angle * N[(b * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + {\left(\pi \cdot \left(angle \cdot \left(b \cdot 0.005555555555555556\right)\right)\right)}^{2}
\end{array}
Initial program 79.7%
Taylor expanded in angle around 0 81.0%
Taylor expanded in angle around 0 75.4%
*-commutative75.4%
Simplified75.4%
Taylor expanded in angle around 0 75.4%
associate-*r*75.8%
*-commutative75.8%
*-commutative75.8%
*-commutative75.8%
associate-*l*75.8%
*-commutative75.8%
associate-*l*75.8%
Simplified75.8%
Final simplification75.8%
herbie shell --seed 2023279
(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)))