
(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 (* (sin (* 0.005555555555555556 (* angle PI))) b) 2.0)))
double code(double a, double b, double angle) {
return pow(a, 2.0) + pow((sin((0.005555555555555556 * (angle * ((double) M_PI)))) * b), 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + Math.pow((Math.sin((0.005555555555555556 * (angle * Math.PI))) * b), 2.0);
}
def code(a, b, angle): return math.pow(a, 2.0) + math.pow((math.sin((0.005555555555555556 * (angle * math.pi))) * b), 2.0)
function code(a, b, angle) return Float64((a ^ 2.0) + (Float64(sin(Float64(0.005555555555555556 * Float64(angle * pi))) * b) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((sin((0.005555555555555556 * (angle * pi))) * b) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[Power[N[(N[Sin[N[(0.005555555555555556 * N[(angle * Pi), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] * b), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + {\left(\sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right) \cdot b\right)}^{2}
\end{array}
Initial program 82.1%
Taylor expanded in angle around 0 82.6%
Taylor expanded in b around 0 82.7%
*-commutative82.7%
Simplified82.7%
Final simplification82.7%
(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 82.1%
Taylor expanded in angle around 0 77.1%
unpow277.1%
Simplified77.1%
Taylor expanded in angle around 0 82.6%
Final simplification82.6%
(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 82.1%
unpow282.1%
swap-sqr72.9%
sqr-neg72.9%
swap-sqr82.1%
unpow282.1%
distribute-lft-neg-out82.1%
distribute-rgt-neg-in82.1%
sin-neg82.1%
distribute-rgt-neg-out82.1%
distribute-frac-neg82.1%
unpow282.1%
associate-*l*80.6%
Simplified82.1%
Taylor expanded in angle around 0 82.6%
Final simplification82.6%
(FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (* (* 0.005555555555555556 (* b (* angle (* 0.005555555555555556 PI)))) (* angle (* PI b)))))
double code(double a, double b, double angle) {
return pow(a, 2.0) + ((0.005555555555555556 * (b * (angle * (0.005555555555555556 * ((double) M_PI))))) * (angle * (((double) M_PI) * b)));
}
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + ((0.005555555555555556 * (b * (angle * (0.005555555555555556 * Math.PI)))) * (angle * (Math.PI * b)));
}
def code(a, b, angle): return math.pow(a, 2.0) + ((0.005555555555555556 * (b * (angle * (0.005555555555555556 * math.pi)))) * (angle * (math.pi * b)))
function code(a, b, angle) return Float64((a ^ 2.0) + Float64(Float64(0.005555555555555556 * Float64(b * Float64(angle * Float64(0.005555555555555556 * pi)))) * Float64(angle * Float64(pi * b)))) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((0.005555555555555556 * (b * (angle * (0.005555555555555556 * pi)))) * (angle * (pi * b))); end
code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[(N[(0.005555555555555556 * N[(b * N[(angle * N[(0.005555555555555556 * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(angle * N[(Pi * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + \left(0.005555555555555556 \cdot \left(b \cdot \left(angle \cdot \left(0.005555555555555556 \cdot \pi\right)\right)\right)\right) \cdot \left(angle \cdot \left(\pi \cdot b\right)\right)
\end{array}
Initial program 82.1%
Taylor expanded in angle around 0 82.6%
Taylor expanded in angle around 0 79.8%
*-commutative79.8%
Simplified79.8%
unpow279.8%
associate-*r*79.8%
associate-*r*79.8%
associate-*r*79.9%
*-commutative79.9%
associate-*r*79.9%
Applied egg-rr79.9%
Final simplification79.9%
(FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (* (pow (* angle (* PI b)) 2.0) 3.08641975308642e-5)))
double code(double a, double b, double angle) {
return pow(a, 2.0) + (pow((angle * (((double) M_PI) * b)), 2.0) * 3.08641975308642e-5);
}
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + (Math.pow((angle * (Math.PI * b)), 2.0) * 3.08641975308642e-5);
}
def code(a, b, angle): return math.pow(a, 2.0) + (math.pow((angle * (math.pi * b)), 2.0) * 3.08641975308642e-5)
function code(a, b, angle) return Float64((a ^ 2.0) + Float64((Float64(angle * Float64(pi * b)) ^ 2.0) * 3.08641975308642e-5)) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + (((angle * (pi * b)) ^ 2.0) * 3.08641975308642e-5); end
code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[(N[Power[N[(angle * N[(Pi * b), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] * 3.08641975308642e-5), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + {\left(angle \cdot \left(\pi \cdot b\right)\right)}^{2} \cdot 3.08641975308642 \cdot 10^{-5}
\end{array}
Initial program 82.1%
Taylor expanded in angle around 0 82.6%
Taylor expanded in angle around 0 79.8%
*-commutative79.8%
Simplified79.8%
*-commutative79.8%
unpow-prod-down79.8%
metadata-eval79.8%
Applied egg-rr79.8%
Final simplification79.8%
(FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (pow (* -0.005555555555555556 (* PI (* angle b))) 2.0)))
double code(double a, double b, double angle) {
return pow(a, 2.0) + pow((-0.005555555555555556 * (((double) M_PI) * (angle * b))), 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + Math.pow((-0.005555555555555556 * (Math.PI * (angle * b))), 2.0);
}
def code(a, b, angle): return math.pow(a, 2.0) + math.pow((-0.005555555555555556 * (math.pi * (angle * b))), 2.0)
function code(a, b, angle) return Float64((a ^ 2.0) + (Float64(-0.005555555555555556 * Float64(pi * Float64(angle * b))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((-0.005555555555555556 * (pi * (angle * b))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[Power[N[(-0.005555555555555556 * N[(Pi * N[(angle * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + {\left(-0.005555555555555556 \cdot \left(\pi \cdot \left(angle \cdot b\right)\right)\right)}^{2}
\end{array}
Initial program 82.1%
Taylor expanded in angle around 0 82.6%
add-exp-log46.5%
*-commutative46.5%
add-sqr-sqrt22.4%
Applied egg-rr45.6%
Taylor expanded in angle around 0 79.8%
associate-*r*79.8%
Simplified79.8%
Final simplification79.8%
(FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (pow (* b (* angle (* PI -0.005555555555555556))) 2.0)))
double code(double a, double b, double angle) {
return pow(a, 2.0) + pow((b * (angle * (((double) M_PI) * -0.005555555555555556))), 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + Math.pow((b * (angle * (Math.PI * -0.005555555555555556))), 2.0);
}
def code(a, b, angle): return math.pow(a, 2.0) + math.pow((b * (angle * (math.pi * -0.005555555555555556))), 2.0)
function code(a, b, angle) return Float64((a ^ 2.0) + (Float64(b * Float64(angle * Float64(pi * -0.005555555555555556))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((b * (angle * (pi * -0.005555555555555556))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[Power[N[(b * N[(angle * N[(Pi * -0.005555555555555556), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{a}^{2} + {\left(b \cdot \left(angle \cdot \left(\pi \cdot -0.005555555555555556\right)\right)\right)}^{2}
\end{array}
Initial program 82.1%
unpow282.1%
swap-sqr72.9%
sqr-neg72.9%
swap-sqr82.1%
unpow282.1%
distribute-lft-neg-out82.1%
distribute-rgt-neg-in82.1%
sin-neg82.1%
distribute-rgt-neg-out82.1%
distribute-frac-neg82.1%
unpow282.1%
associate-*l*80.6%
Simplified82.1%
Taylor expanded in angle around 0 82.6%
Taylor expanded in angle around 0 79.8%
associate-*r*79.8%
*-commutative79.8%
associate-*l*79.9%
Simplified79.9%
Final simplification79.9%
herbie shell --seed 2023293
(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)))