
(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 7 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 (* (sin (* (* angle 0.005555555555555556) PI)) a) 2.0) (pow b 2.0)))
double code(double a, double b, double angle) {
return pow((sin(((angle * 0.005555555555555556) * ((double) M_PI))) * a), 2.0) + pow(b, 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow((Math.sin(((angle * 0.005555555555555556) * Math.PI)) * a), 2.0) + Math.pow(b, 2.0);
}
def code(a, b, angle): return math.pow((math.sin(((angle * 0.005555555555555556) * math.pi)) * a), 2.0) + math.pow(b, 2.0)
function code(a, b, angle) return Float64((Float64(sin(Float64(Float64(angle * 0.005555555555555556) * pi)) * a) ^ 2.0) + (b ^ 2.0)) end
function tmp = code(a, b, angle) tmp = ((sin(((angle * 0.005555555555555556) * pi)) * a) ^ 2.0) + (b ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[N[(N[Sin[N[(N[(angle * 0.005555555555555556), $MachinePrecision] * Pi), $MachinePrecision]], $MachinePrecision] * a), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{\left(\sin \left(\left(angle \cdot 0.005555555555555556\right) \cdot \pi\right) \cdot a\right)}^{2} + {b}^{2}
\end{array}
Initial program 79.1%
*-commutative79.1%
associate-*r/79.0%
associate-*l/79.1%
*-commutative79.1%
*-commutative79.1%
associate-*r/79.1%
associate-*l/79.0%
*-commutative79.0%
Simplified79.0%
Taylor expanded in angle around 0 79.2%
associate-*r/79.2%
associate-*l/79.3%
add-sqr-sqrt46.7%
sqrt-prod79.3%
unpow279.3%
expm1-log1p-u78.8%
sqrt-pow164.5%
metadata-eval64.5%
pow164.5%
associate-/r/63.9%
div-inv63.4%
clear-num63.4%
div-inv63.4%
metadata-eval63.4%
Applied egg-rr63.4%
expm1-log1p-u79.2%
*-commutative79.2%
*-commutative79.2%
associate-*r*79.3%
Applied egg-rr79.3%
Final simplification79.3%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (pow (* a (sin (* 0.005555555555555556 (* angle PI)))) 2.0)))
double code(double a, double b, double angle) {
return pow(b, 2.0) + pow((a * sin((0.005555555555555556 * (angle * ((double) M_PI))))), 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 * (angle * Math.PI)))), 2.0);
}
def code(a, b, angle): return math.pow(b, 2.0) + math.pow((a * math.sin((0.005555555555555556 * (angle * math.pi)))), 2.0)
function code(a, b, angle) return Float64((b ^ 2.0) + (Float64(a * sin(Float64(0.005555555555555556 * Float64(angle * pi)))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + ((a * sin((0.005555555555555556 * (angle * pi)))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[Power[N[(a * N[Sin[N[(0.005555555555555556 * N[(angle * Pi), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + {\left(a \cdot \sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)\right)}^{2}
\end{array}
Initial program 79.1%
*-commutative79.1%
associate-*r/79.0%
associate-*l/79.1%
*-commutative79.1%
*-commutative79.1%
associate-*r/79.1%
associate-*l/79.0%
*-commutative79.0%
Simplified79.0%
Taylor expanded in angle around 0 79.2%
Taylor expanded in angle around 0 79.2%
Final simplification79.2%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (pow (* a (sin (* angle (/ PI 180.0)))) 2.0)))
double code(double a, double b, double angle) {
return pow(b, 2.0) + pow((a * sin((angle * (((double) M_PI) / 180.0)))), 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + Math.pow((a * Math.sin((angle * (Math.PI / 180.0)))), 2.0);
}
def code(a, b, angle): return math.pow(b, 2.0) + math.pow((a * math.sin((angle * (math.pi / 180.0)))), 2.0)
function code(a, b, angle) return Float64((b ^ 2.0) + (Float64(a * sin(Float64(angle * Float64(pi / 180.0)))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + ((a * sin((angle * (pi / 180.0)))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[Power[N[(a * N[Sin[N[(angle * N[(Pi / 180.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + {\left(a \cdot \sin \left(angle \cdot \frac{\pi}{180}\right)\right)}^{2}
\end{array}
Initial program 79.1%
*-commutative79.1%
associate-*r/79.0%
associate-*l/79.1%
*-commutative79.1%
*-commutative79.1%
associate-*r/79.1%
associate-*l/79.0%
*-commutative79.0%
Simplified79.0%
Taylor expanded in angle around 0 79.2%
Final simplification79.2%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (pow (* a (sin (* PI (/ angle 180.0)))) 2.0)))
double code(double a, double b, double angle) {
return pow(b, 2.0) + pow((a * sin((((double) M_PI) * (angle / 180.0)))), 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + Math.pow((a * Math.sin((Math.PI * (angle / 180.0)))), 2.0);
}
def code(a, b, angle): return math.pow(b, 2.0) + math.pow((a * math.sin((math.pi * (angle / 180.0)))), 2.0)
function code(a, b, angle) return Float64((b ^ 2.0) + (Float64(a * sin(Float64(pi * Float64(angle / 180.0)))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + ((a * sin((pi * (angle / 180.0)))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[Power[N[(a * N[Sin[N[(Pi * N[(angle / 180.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + {\left(a \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2}
\end{array}
Initial program 79.1%
associate-/r/79.1%
add-sqr-sqrt39.0%
associate-/l*38.9%
Applied egg-rr38.9%
Taylor expanded in angle around 0 79.3%
Final simplification79.3%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (* 3.08641975308642e-5 (* (* PI (* a (* angle PI))) (* angle a)))))
double code(double a, double b, double angle) {
return pow(b, 2.0) + (3.08641975308642e-5 * ((((double) M_PI) * (a * (angle * ((double) M_PI)))) * (angle * a)));
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + (3.08641975308642e-5 * ((Math.PI * (a * (angle * Math.PI))) * (angle * a)));
}
def code(a, b, angle): return math.pow(b, 2.0) + (3.08641975308642e-5 * ((math.pi * (a * (angle * math.pi))) * (angle * a)))
function code(a, b, angle) return Float64((b ^ 2.0) + Float64(3.08641975308642e-5 * Float64(Float64(pi * Float64(a * Float64(angle * pi))) * Float64(angle * a)))) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + (3.08641975308642e-5 * ((pi * (a * (angle * pi))) * (angle * a))); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[(3.08641975308642e-5 * N[(N[(Pi * N[(a * N[(angle * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(angle * a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + 3.08641975308642 \cdot 10^{-5} \cdot \left(\left(\pi \cdot \left(a \cdot \left(angle \cdot \pi\right)\right)\right) \cdot \left(angle \cdot a\right)\right)
\end{array}
Initial program 79.1%
associate-/r/79.1%
add-sqr-sqrt39.0%
associate-/l*38.9%
Applied egg-rr38.9%
Taylor expanded in angle around 0 79.3%
Taylor expanded in angle around 0 62.4%
*-commutative62.4%
unpow262.4%
unpow262.4%
unswap-sqr62.4%
unpow262.4%
swap-sqr74.8%
associate-*r*74.8%
associate-*r*74.8%
unpow274.8%
associate-*r*74.8%
*-commutative74.8%
associate-*r*74.8%
*-commutative74.8%
*-commutative74.8%
Simplified74.8%
unpow274.8%
associate-*r*74.9%
*-commutative74.9%
*-commutative74.9%
associate-*l*74.9%
Applied egg-rr74.9%
Final simplification74.9%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (* 3.08641975308642e-5 (pow (* PI (* angle a)) 2.0))))
double code(double a, double b, double angle) {
return pow(b, 2.0) + (3.08641975308642e-5 * pow((((double) M_PI) * (angle * a)), 2.0));
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + (3.08641975308642e-5 * Math.pow((Math.PI * (angle * a)), 2.0));
}
def code(a, b, angle): return math.pow(b, 2.0) + (3.08641975308642e-5 * math.pow((math.pi * (angle * a)), 2.0))
function code(a, b, angle) return Float64((b ^ 2.0) + Float64(3.08641975308642e-5 * (Float64(pi * Float64(angle * a)) ^ 2.0))) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + (3.08641975308642e-5 * ((pi * (angle * a)) ^ 2.0)); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[(3.08641975308642e-5 * N[Power[N[(Pi * N[(angle * a), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + 3.08641975308642 \cdot 10^{-5} \cdot {\left(\pi \cdot \left(angle \cdot a\right)\right)}^{2}
\end{array}
Initial program 79.1%
associate-/r/79.1%
add-sqr-sqrt39.0%
associate-/l*38.9%
Applied egg-rr38.9%
Taylor expanded in angle around 0 79.3%
Taylor expanded in angle around 0 62.4%
*-commutative62.4%
unpow262.4%
unpow262.4%
unswap-sqr62.4%
unpow262.4%
swap-sqr74.8%
associate-*r*74.8%
associate-*r*74.8%
unpow274.8%
associate-*r*74.8%
*-commutative74.8%
associate-*r*74.8%
*-commutative74.8%
*-commutative74.8%
Simplified74.8%
Final simplification74.8%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (pow (* 0.005555555555555556 (* angle (* PI a))) 2.0)))
double code(double a, double b, double angle) {
return pow(b, 2.0) + pow((0.005555555555555556 * (angle * (((double) M_PI) * a))), 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + Math.pow((0.005555555555555556 * (angle * (Math.PI * a))), 2.0);
}
def code(a, b, angle): return math.pow(b, 2.0) + math.pow((0.005555555555555556 * (angle * (math.pi * a))), 2.0)
function code(a, b, angle) return Float64((b ^ 2.0) + (Float64(0.005555555555555556 * Float64(angle * Float64(pi * a))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + ((0.005555555555555556 * (angle * (pi * a))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[Power[N[(0.005555555555555556 * N[(angle * N[(Pi * a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + {\left(0.005555555555555556 \cdot \left(angle \cdot \left(\pi \cdot a\right)\right)\right)}^{2}
\end{array}
Initial program 79.1%
*-commutative79.1%
associate-*r/79.0%
associate-*l/79.1%
*-commutative79.1%
*-commutative79.1%
associate-*r/79.1%
associate-*l/79.0%
*-commutative79.0%
Simplified79.0%
Taylor expanded in angle around 0 79.2%
Taylor expanded in angle around 0 74.9%
*-commutative74.9%
associate-*l*74.8%
Simplified74.8%
Final simplification74.8%
herbie shell --seed 2023318
(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)))