
(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}
NOTE: angle should be positive before calling this function (FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (pow (* b (sin (* PI (pow (sqrt (* 0.005555555555555556 angle)) 2.0)))) 2.0)))
angle = abs(angle);
double code(double a, double b, double angle) {
return pow(a, 2.0) + pow((b * sin((((double) M_PI) * pow(sqrt((0.005555555555555556 * angle)), 2.0)))), 2.0);
}
angle = Math.abs(angle);
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + Math.pow((b * Math.sin((Math.PI * Math.pow(Math.sqrt((0.005555555555555556 * angle)), 2.0)))), 2.0);
}
angle = abs(angle) def code(a, b, angle): return math.pow(a, 2.0) + math.pow((b * math.sin((math.pi * math.pow(math.sqrt((0.005555555555555556 * angle)), 2.0)))), 2.0)
angle = abs(angle) function code(a, b, angle) return Float64((a ^ 2.0) + (Float64(b * sin(Float64(pi * (sqrt(Float64(0.005555555555555556 * angle)) ^ 2.0)))) ^ 2.0)) end
angle = abs(angle) function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((b * sin((pi * (sqrt((0.005555555555555556 * angle)) ^ 2.0)))) ^ 2.0); end
NOTE: angle should be positive before calling this function code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[Power[N[(b * N[Sin[N[(Pi * N[Power[N[Sqrt[N[(0.005555555555555556 * angle), $MachinePrecision]], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle = |angle|\\
\\
{a}^{2} + {\left(b \cdot \sin \left(\pi \cdot {\left(\sqrt{0.005555555555555556 \cdot angle}\right)}^{2}\right)\right)}^{2}
\end{array}
Initial program 76.0%
Taylor expanded in angle around 0 76.0%
Taylor expanded in b around 0 75.7%
associate-*r*76.1%
*-commutative76.1%
Simplified76.1%
*-commutative76.1%
metadata-eval76.1%
div-inv76.0%
add-sqr-sqrt36.7%
pow236.7%
div-inv36.7%
metadata-eval36.7%
*-commutative36.7%
Applied egg-rr36.7%
Final simplification36.7%
NOTE: angle should be positive before calling this function (FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (pow (* b (sin (* 0.005555555555555556 (* PI angle)))) 2.0)))
angle = abs(angle);
double code(double a, double b, double angle) {
return pow(a, 2.0) + pow((b * sin((0.005555555555555556 * (((double) M_PI) * angle)))), 2.0);
}
angle = Math.abs(angle);
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);
}
angle = abs(angle) def code(a, b, angle): return math.pow(a, 2.0) + math.pow((b * math.sin((0.005555555555555556 * (math.pi * angle)))), 2.0)
angle = abs(angle) function code(a, b, angle) return Float64((a ^ 2.0) + (Float64(b * sin(Float64(0.005555555555555556 * Float64(pi * angle)))) ^ 2.0)) end
angle = abs(angle) function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((b * sin((0.005555555555555556 * (pi * angle)))) ^ 2.0); end
NOTE: angle should be positive before calling this function 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}
angle = |angle|\\
\\
{a}^{2} + {\left(b \cdot \sin \left(0.005555555555555556 \cdot \left(\pi \cdot angle\right)\right)\right)}^{2}
\end{array}
Initial program 76.0%
Taylor expanded in angle around 0 76.0%
Taylor expanded in b around 0 75.7%
Final simplification75.7%
NOTE: angle should be positive before calling this function (FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (pow (* b (sin (* PI (* 0.005555555555555556 angle)))) 2.0)))
angle = abs(angle);
double code(double a, double b, double angle) {
return pow(a, 2.0) + pow((b * sin((((double) M_PI) * (0.005555555555555556 * angle)))), 2.0);
}
angle = Math.abs(angle);
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + Math.pow((b * Math.sin((Math.PI * (0.005555555555555556 * angle)))), 2.0);
}
angle = abs(angle) def code(a, b, angle): return math.pow(a, 2.0) + math.pow((b * math.sin((math.pi * (0.005555555555555556 * angle)))), 2.0)
angle = abs(angle) function code(a, b, angle) return Float64((a ^ 2.0) + (Float64(b * sin(Float64(pi * Float64(0.005555555555555556 * angle)))) ^ 2.0)) end
angle = abs(angle) function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((b * sin((pi * (0.005555555555555556 * angle)))) ^ 2.0); end
NOTE: angle should be positive before calling this function code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[Power[N[(b * N[Sin[N[(Pi * N[(0.005555555555555556 * angle), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle = |angle|\\
\\
{a}^{2} + {\left(b \cdot \sin \left(\pi \cdot \left(0.005555555555555556 \cdot angle\right)\right)\right)}^{2}
\end{array}
Initial program 76.0%
Taylor expanded in angle around 0 76.0%
Taylor expanded in b around 0 75.7%
associate-*r*76.1%
*-commutative76.1%
Simplified76.1%
Final simplification76.1%
NOTE: angle should be positive before calling this function (FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (* (pow (* PI (* b angle)) 2.0) 3.08641975308642e-5)))
angle = abs(angle);
double code(double a, double b, double angle) {
return pow(a, 2.0) + (pow((((double) M_PI) * (b * angle)), 2.0) * 3.08641975308642e-5);
}
angle = Math.abs(angle);
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);
}
angle = abs(angle) def code(a, b, angle): return math.pow(a, 2.0) + (math.pow((math.pi * (b * angle)), 2.0) * 3.08641975308642e-5)
angle = abs(angle) function code(a, b, angle) return Float64((a ^ 2.0) + Float64((Float64(pi * Float64(b * angle)) ^ 2.0) * 3.08641975308642e-5)) end
angle = abs(angle) function tmp = code(a, b, angle) tmp = (a ^ 2.0) + (((pi * (b * angle)) ^ 2.0) * 3.08641975308642e-5); end
NOTE: angle should be positive before calling this function 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}
angle = |angle|\\
\\
{a}^{2} + {\left(\pi \cdot \left(b \cdot angle\right)\right)}^{2} \cdot 3.08641975308642 \cdot 10^{-5}
\end{array}
Initial program 76.0%
Taylor expanded in angle around 0 76.0%
Taylor expanded in angle around 0 70.8%
*-commutative70.8%
unpow-prod-down70.8%
associate-*r*70.8%
*-commutative70.8%
metadata-eval70.8%
Applied egg-rr70.8%
Final simplification70.8%
NOTE: angle should be positive before calling this function (FPCore (a b angle) :precision binary64 (+ (pow a 2.0) (pow (* b (* angle (/ PI 180.0))) 2.0)))
angle = abs(angle);
double code(double a, double b, double angle) {
return pow(a, 2.0) + pow((b * (angle * (((double) M_PI) / 180.0))), 2.0);
}
angle = Math.abs(angle);
public static double code(double a, double b, double angle) {
return Math.pow(a, 2.0) + Math.pow((b * (angle * (Math.PI / 180.0))), 2.0);
}
angle = abs(angle) def code(a, b, angle): return math.pow(a, 2.0) + math.pow((b * (angle * (math.pi / 180.0))), 2.0)
angle = abs(angle) function code(a, b, angle) return Float64((a ^ 2.0) + (Float64(b * Float64(angle * Float64(pi / 180.0))) ^ 2.0)) end
angle = abs(angle) function tmp = code(a, b, angle) tmp = (a ^ 2.0) + ((b * (angle * (pi / 180.0))) ^ 2.0); end
NOTE: angle should be positive before calling this function code[a_, b_, angle_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[Power[N[(b * N[(angle * N[(Pi / 180.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle = |angle|\\
\\
{a}^{2} + {\left(b \cdot \left(angle \cdot \frac{\pi}{180}\right)\right)}^{2}
\end{array}
Initial program 76.0%
Taylor expanded in angle around 0 76.0%
Taylor expanded in angle around 0 70.8%
metadata-eval70.8%
*-commutative70.8%
associate-/r/70.8%
associate-/l*70.8%
*-commutative70.8%
associate-/l*70.8%
metadata-eval70.8%
*-commutative70.8%
associate-*r/70.8%
Simplified70.8%
Final simplification70.8%
herbie shell --seed 2023229
(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)))