
(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}
angle_m = (fabs.f64 angle) (FPCore (a b angle_m) :precision binary64 (+ (pow (* a (sin (expm1 (log1p (* angle_m (* PI 0.005555555555555556)))))) 2.0) (pow (* b (cos (* PI (* angle_m 0.005555555555555556)))) 2.0)))
angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
return pow((a * sin(expm1(log1p((angle_m * (((double) M_PI) * 0.005555555555555556)))))), 2.0) + pow((b * cos((((double) M_PI) * (angle_m * 0.005555555555555556)))), 2.0);
}
angle_m = Math.abs(angle);
public static double code(double a, double b, double angle_m) {
return Math.pow((a * Math.sin(Math.expm1(Math.log1p((angle_m * (Math.PI * 0.005555555555555556)))))), 2.0) + Math.pow((b * Math.cos((Math.PI * (angle_m * 0.005555555555555556)))), 2.0);
}
angle_m = math.fabs(angle) def code(a, b, angle_m): return math.pow((a * math.sin(math.expm1(math.log1p((angle_m * (math.pi * 0.005555555555555556)))))), 2.0) + math.pow((b * math.cos((math.pi * (angle_m * 0.005555555555555556)))), 2.0)
angle_m = abs(angle) function code(a, b, angle_m) return Float64((Float64(a * sin(expm1(log1p(Float64(angle_m * Float64(pi * 0.005555555555555556)))))) ^ 2.0) + (Float64(b * cos(Float64(pi * Float64(angle_m * 0.005555555555555556)))) ^ 2.0)) end
angle_m = N[Abs[angle], $MachinePrecision] code[a_, b_, angle$95$m_] := N[(N[Power[N[(a * N[Sin[N[(Exp[N[Log[1 + N[(angle$95$m * N[(Pi * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]] - 1), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * N[Cos[N[(Pi * N[(angle$95$m * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle_m = \left|angle\right|
\\
{\left(a \cdot \sin \left(\mathsf{expm1}\left(\mathsf{log1p}\left(angle\_m \cdot \left(\pi \cdot 0.005555555555555556\right)\right)\right)\right)\right)}^{2} + {\left(b \cdot \cos \left(\pi \cdot \left(angle\_m \cdot 0.005555555555555556\right)\right)\right)}^{2}
\end{array}
Initial program 81.9%
expm1-log1p-u70.4%
associate-*l/70.4%
associate-*r/70.5%
div-inv70.5%
metadata-eval70.5%
Applied egg-rr70.5%
Taylor expanded in angle around inf 70.5%
associate-*r*70.5%
*-commutative70.5%
*-commutative70.5%
*-commutative70.5%
Simplified70.5%
Final simplification70.5%
angle_m = (fabs.f64 angle) (FPCore (a b angle_m) :precision binary64 (+ (pow (* a (sin (* 0.005555555555555556 (* angle_m PI)))) 2.0) (pow (* b (cos (* angle_m (/ PI 180.0)))) 2.0)))
angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
return pow((a * sin((0.005555555555555556 * (angle_m * ((double) M_PI))))), 2.0) + pow((b * cos((angle_m * (((double) M_PI) / 180.0)))), 2.0);
}
angle_m = Math.abs(angle);
public static double code(double a, double b, double angle_m) {
return Math.pow((a * Math.sin((0.005555555555555556 * (angle_m * Math.PI)))), 2.0) + Math.pow((b * Math.cos((angle_m * (Math.PI / 180.0)))), 2.0);
}
angle_m = math.fabs(angle) def code(a, b, angle_m): return math.pow((a * math.sin((0.005555555555555556 * (angle_m * math.pi)))), 2.0) + math.pow((b * math.cos((angle_m * (math.pi / 180.0)))), 2.0)
angle_m = abs(angle) function code(a, b, angle_m) return Float64((Float64(a * sin(Float64(0.005555555555555556 * Float64(angle_m * pi)))) ^ 2.0) + (Float64(b * cos(Float64(angle_m * Float64(pi / 180.0)))) ^ 2.0)) end
angle_m = abs(angle); function tmp = code(a, b, angle_m) tmp = ((a * sin((0.005555555555555556 * (angle_m * pi)))) ^ 2.0) + ((b * cos((angle_m * (pi / 180.0)))) ^ 2.0); end
angle_m = N[Abs[angle], $MachinePrecision] code[a_, b_, angle$95$m_] := N[(N[Power[N[(a * N[Sin[N[(0.005555555555555556 * N[(angle$95$m * Pi), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * N[Cos[N[(angle$95$m * N[(Pi / 180.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle_m = \left|angle\right|
\\
{\left(a \cdot \sin \left(0.005555555555555556 \cdot \left(angle\_m \cdot \pi\right)\right)\right)}^{2} + {\left(b \cdot \cos \left(angle\_m \cdot \frac{\pi}{180}\right)\right)}^{2}
\end{array}
Initial program 81.9%
associate-*l/81.8%
associate-/l*82.2%
associate-*l/82.2%
associate-/l*82.2%
Simplified82.2%
Taylor expanded in angle around inf 81.9%
Final simplification81.9%
angle_m = (fabs.f64 angle) (FPCore (a b angle_m) :precision binary64 (+ (pow (* a (sin (* angle_m (/ PI 180.0)))) 2.0) (pow (* b (cos (* 0.005555555555555556 (* angle_m PI)))) 2.0)))
angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
return pow((a * sin((angle_m * (((double) M_PI) / 180.0)))), 2.0) + pow((b * cos((0.005555555555555556 * (angle_m * ((double) M_PI))))), 2.0);
}
angle_m = Math.abs(angle);
public static double code(double a, double b, double angle_m) {
return Math.pow((a * Math.sin((angle_m * (Math.PI / 180.0)))), 2.0) + Math.pow((b * Math.cos((0.005555555555555556 * (angle_m * Math.PI)))), 2.0);
}
angle_m = math.fabs(angle) def code(a, b, angle_m): return math.pow((a * math.sin((angle_m * (math.pi / 180.0)))), 2.0) + math.pow((b * math.cos((0.005555555555555556 * (angle_m * math.pi)))), 2.0)
angle_m = abs(angle) function code(a, b, angle_m) return Float64((Float64(a * sin(Float64(angle_m * Float64(pi / 180.0)))) ^ 2.0) + (Float64(b * cos(Float64(0.005555555555555556 * Float64(angle_m * pi)))) ^ 2.0)) end
angle_m = abs(angle); function tmp = code(a, b, angle_m) tmp = ((a * sin((angle_m * (pi / 180.0)))) ^ 2.0) + ((b * cos((0.005555555555555556 * (angle_m * pi)))) ^ 2.0); end
angle_m = N[Abs[angle], $MachinePrecision] code[a_, b_, angle$95$m_] := N[(N[Power[N[(a * N[Sin[N[(angle$95$m * N[(Pi / 180.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * N[Cos[N[(0.005555555555555556 * N[(angle$95$m * Pi), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle_m = \left|angle\right|
\\
{\left(a \cdot \sin \left(angle\_m \cdot \frac{\pi}{180}\right)\right)}^{2} + {\left(b \cdot \cos \left(0.005555555555555556 \cdot \left(angle\_m \cdot \pi\right)\right)\right)}^{2}
\end{array}
Initial program 81.9%
associate-*l/81.8%
associate-/l*82.2%
associate-*l/82.2%
associate-/l*82.2%
Simplified82.2%
Taylor expanded in angle around inf 82.2%
Final simplification82.2%
angle_m = (fabs.f64 angle) (FPCore (a b angle_m) :precision binary64 (+ (pow (* a (sin (* 0.005555555555555556 (* angle_m PI)))) 2.0) (pow b 2.0)))
angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
return pow((a * sin((0.005555555555555556 * (angle_m * ((double) M_PI))))), 2.0) + pow(b, 2.0);
}
angle_m = Math.abs(angle);
public static double code(double a, double b, double angle_m) {
return Math.pow((a * Math.sin((0.005555555555555556 * (angle_m * Math.PI)))), 2.0) + Math.pow(b, 2.0);
}
angle_m = math.fabs(angle) def code(a, b, angle_m): return math.pow((a * math.sin((0.005555555555555556 * (angle_m * math.pi)))), 2.0) + math.pow(b, 2.0)
angle_m = abs(angle) function code(a, b, angle_m) return Float64((Float64(a * sin(Float64(0.005555555555555556 * Float64(angle_m * pi)))) ^ 2.0) + (b ^ 2.0)) end
angle_m = abs(angle); function tmp = code(a, b, angle_m) tmp = ((a * sin((0.005555555555555556 * (angle_m * pi)))) ^ 2.0) + (b ^ 2.0); end
angle_m = N[Abs[angle], $MachinePrecision] code[a_, b_, angle$95$m_] := N[(N[Power[N[(a * N[Sin[N[(0.005555555555555556 * N[(angle$95$m * Pi), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle_m = \left|angle\right|
\\
{\left(a \cdot \sin \left(0.005555555555555556 \cdot \left(angle\_m \cdot \pi\right)\right)\right)}^{2} + {b}^{2}
\end{array}
Initial program 81.9%
associate-*l/81.8%
associate-/l*82.2%
associate-*l/82.2%
associate-/l*82.2%
Simplified82.2%
Taylor expanded in angle around 0 81.5%
Taylor expanded in angle around 0 81.2%
Final simplification81.2%
angle_m = (fabs.f64 angle) (FPCore (a b angle_m) :precision binary64 (+ (pow (* a (sin (* angle_m (/ PI 180.0)))) 2.0) (pow b 2.0)))
angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
return pow((a * sin((angle_m * (((double) M_PI) / 180.0)))), 2.0) + pow(b, 2.0);
}
angle_m = Math.abs(angle);
public static double code(double a, double b, double angle_m) {
return Math.pow((a * Math.sin((angle_m * (Math.PI / 180.0)))), 2.0) + Math.pow(b, 2.0);
}
angle_m = math.fabs(angle) def code(a, b, angle_m): return math.pow((a * math.sin((angle_m * (math.pi / 180.0)))), 2.0) + math.pow(b, 2.0)
angle_m = abs(angle) function code(a, b, angle_m) return Float64((Float64(a * sin(Float64(angle_m * Float64(pi / 180.0)))) ^ 2.0) + (b ^ 2.0)) end
angle_m = abs(angle); function tmp = code(a, b, angle_m) tmp = ((a * sin((angle_m * (pi / 180.0)))) ^ 2.0) + (b ^ 2.0); end
angle_m = N[Abs[angle], $MachinePrecision] code[a_, b_, angle$95$m_] := N[(N[Power[N[(a * N[Sin[N[(angle$95$m * N[(Pi / 180.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle_m = \left|angle\right|
\\
{\left(a \cdot \sin \left(angle\_m \cdot \frac{\pi}{180}\right)\right)}^{2} + {b}^{2}
\end{array}
Initial program 81.9%
associate-*l/81.8%
associate-/l*82.2%
associate-*l/82.2%
associate-/l*82.2%
Simplified82.2%
Taylor expanded in angle around 0 81.5%
Final simplification81.5%
angle_m = (fabs.f64 angle) (FPCore (a b angle_m) :precision binary64 (+ (pow b 2.0) (* (* PI 0.005555555555555556) (* (* a angle_m) (* 0.005555555555555556 (* a (* angle_m PI)))))))
angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
return pow(b, 2.0) + ((((double) M_PI) * 0.005555555555555556) * ((a * angle_m) * (0.005555555555555556 * (a * (angle_m * ((double) M_PI))))));
}
angle_m = Math.abs(angle);
public static double code(double a, double b, double angle_m) {
return Math.pow(b, 2.0) + ((Math.PI * 0.005555555555555556) * ((a * angle_m) * (0.005555555555555556 * (a * (angle_m * Math.PI)))));
}
angle_m = math.fabs(angle) def code(a, b, angle_m): return math.pow(b, 2.0) + ((math.pi * 0.005555555555555556) * ((a * angle_m) * (0.005555555555555556 * (a * (angle_m * math.pi)))))
angle_m = abs(angle) function code(a, b, angle_m) return Float64((b ^ 2.0) + Float64(Float64(pi * 0.005555555555555556) * Float64(Float64(a * angle_m) * Float64(0.005555555555555556 * Float64(a * Float64(angle_m * pi)))))) end
angle_m = abs(angle); function tmp = code(a, b, angle_m) tmp = (b ^ 2.0) + ((pi * 0.005555555555555556) * ((a * angle_m) * (0.005555555555555556 * (a * (angle_m * pi))))); end
angle_m = N[Abs[angle], $MachinePrecision] code[a_, b_, angle$95$m_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[(N[(Pi * 0.005555555555555556), $MachinePrecision] * N[(N[(a * angle$95$m), $MachinePrecision] * N[(0.005555555555555556 * N[(a * N[(angle$95$m * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle_m = \left|angle\right|
\\
{b}^{2} + \left(\pi \cdot 0.005555555555555556\right) \cdot \left(\left(a \cdot angle\_m\right) \cdot \left(0.005555555555555556 \cdot \left(a \cdot \left(angle\_m \cdot \pi\right)\right)\right)\right)
\end{array}
Initial program 81.9%
associate-*l/81.8%
associate-/l*82.2%
associate-*l/82.2%
associate-/l*82.2%
Simplified82.2%
Taylor expanded in angle around 0 81.5%
Taylor expanded in angle around 0 77.0%
*-commutative77.0%
*-commutative77.0%
associate-*l*77.0%
Simplified77.0%
unpow277.0%
associate-*r*77.0%
*-commutative77.0%
associate-*l*77.0%
*-commutative77.0%
associate-*l*77.0%
Applied egg-rr77.0%
Taylor expanded in angle around 0 77.0%
Final simplification77.0%
herbie shell --seed 2024039
(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)))