
(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}
angle_m = (fabs.f64 angle)
(FPCore (a b angle_m)
:precision binary64
(let* ((t_0 (+ 1.0 (* angle_m (* 0.005555555555555556 PI)))))
(+
(pow (* a (fma (sin t_0) (sin 1.0) (* (cos 1.0) (cos t_0)))) 2.0)
(pow (* b (sin (* PI (* angle_m 0.005555555555555556)))) 2.0))))angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
double t_0 = 1.0 + (angle_m * (0.005555555555555556 * ((double) M_PI)));
return pow((a * fma(sin(t_0), sin(1.0), (cos(1.0) * cos(t_0)))), 2.0) + pow((b * sin((((double) M_PI) * (angle_m * 0.005555555555555556)))), 2.0);
}
angle_m = abs(angle) function code(a, b, angle_m) t_0 = Float64(1.0 + Float64(angle_m * Float64(0.005555555555555556 * pi))) return Float64((Float64(a * fma(sin(t_0), sin(1.0), Float64(cos(1.0) * cos(t_0)))) ^ 2.0) + (Float64(b * sin(Float64(pi * Float64(angle_m * 0.005555555555555556)))) ^ 2.0)) end
angle_m = N[Abs[angle], $MachinePrecision]
code[a_, b_, angle$95$m_] := Block[{t$95$0 = N[(1.0 + N[(angle$95$m * N[(0.005555555555555556 * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, N[(N[Power[N[(a * N[(N[Sin[t$95$0], $MachinePrecision] * N[Sin[1.0], $MachinePrecision] + N[(N[Cos[1.0], $MachinePrecision] * N[Cos[t$95$0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * N[Sin[N[(Pi * N[(angle$95$m * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
angle_m = \left|angle\right|
\\
\begin{array}{l}
t_0 := 1 + angle\_m \cdot \left(0.005555555555555556 \cdot \pi\right)\\
{\left(a \cdot \mathsf{fma}\left(\sin t\_0, \sin 1, \cos 1 \cdot \cos t\_0\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \left(angle\_m \cdot 0.005555555555555556\right)\right)\right)}^{2}
\end{array}
\end{array}
Initial program 80.9%
Simplified81.0%
metadata-eval81.0%
div-inv81.0%
expm1-log1p-u62.7%
expm1-undefine62.7%
cos-diff62.6%
div-inv62.6%
metadata-eval62.6%
div-inv62.6%
metadata-eval62.6%
Applied egg-rr62.6%
+-commutative62.6%
fma-define62.6%
log1p-undefine62.6%
rem-exp-log62.6%
*-commutative62.6%
associate-*r*62.6%
*-commutative62.6%
log1p-undefine62.6%
rem-exp-log81.1%
*-commutative81.1%
associate-*r*81.1%
Simplified81.1%
Final simplification81.1%
angle_m = (fabs.f64 angle)
(FPCore (a b angle_m)
:precision binary64
(let* ((t_0 (cbrt (* angle_m (* 0.005555555555555556 PI)))))
(+
(pow (* b (sin (* PI (* angle_m 0.005555555555555556)))) 2.0)
(pow (* a (cos (* t_0 (pow t_0 2.0)))) 2.0))))angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
double t_0 = cbrt((angle_m * (0.005555555555555556 * ((double) M_PI))));
return pow((b * sin((((double) M_PI) * (angle_m * 0.005555555555555556)))), 2.0) + pow((a * cos((t_0 * pow(t_0, 2.0)))), 2.0);
}
angle_m = Math.abs(angle);
public static double code(double a, double b, double angle_m) {
double t_0 = Math.cbrt((angle_m * (0.005555555555555556 * Math.PI)));
return Math.pow((b * Math.sin((Math.PI * (angle_m * 0.005555555555555556)))), 2.0) + Math.pow((a * Math.cos((t_0 * Math.pow(t_0, 2.0)))), 2.0);
}
angle_m = abs(angle) function code(a, b, angle_m) t_0 = cbrt(Float64(angle_m * Float64(0.005555555555555556 * pi))) return Float64((Float64(b * sin(Float64(pi * Float64(angle_m * 0.005555555555555556)))) ^ 2.0) + (Float64(a * cos(Float64(t_0 * (t_0 ^ 2.0)))) ^ 2.0)) end
angle_m = N[Abs[angle], $MachinePrecision]
code[a_, b_, angle$95$m_] := Block[{t$95$0 = N[Power[N[(angle$95$m * N[(0.005555555555555556 * Pi), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]}, N[(N[Power[N[(b * N[Sin[N[(Pi * N[(angle$95$m * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(a * N[Cos[N[(t$95$0 * N[Power[t$95$0, 2.0], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
angle_m = \left|angle\right|
\\
\begin{array}{l}
t_0 := \sqrt[3]{angle\_m \cdot \left(0.005555555555555556 \cdot \pi\right)}\\
{\left(b \cdot \sin \left(\pi \cdot \left(angle\_m \cdot 0.005555555555555556\right)\right)\right)}^{2} + {\left(a \cdot \cos \left(t\_0 \cdot {t\_0}^{2}\right)\right)}^{2}
\end{array}
\end{array}
Initial program 80.9%
Simplified81.0%
expm1-log1p-u62.7%
Applied egg-rr62.7%
expm1-log1p-u81.0%
associate-*r*80.6%
*-commutative80.6%
associate-*r*81.0%
*-commutative81.0%
add-cube-cbrt81.1%
pow281.1%
Applied egg-rr81.1%
Final simplification81.1%
angle_m = (fabs.f64 angle)
(FPCore (a b angle_m)
:precision binary64
(let* ((t_0 (cbrt (* angle_m 0.005555555555555556))))
(+
(pow (* b (sin (* PI (* angle_m 0.005555555555555556)))) 2.0)
(pow (* a (cos (* (pow t_0 2.0) (* PI t_0)))) 2.0))))angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
double t_0 = cbrt((angle_m * 0.005555555555555556));
return pow((b * sin((((double) M_PI) * (angle_m * 0.005555555555555556)))), 2.0) + pow((a * cos((pow(t_0, 2.0) * (((double) M_PI) * t_0)))), 2.0);
}
angle_m = Math.abs(angle);
public static double code(double a, double b, double angle_m) {
double t_0 = Math.cbrt((angle_m * 0.005555555555555556));
return Math.pow((b * Math.sin((Math.PI * (angle_m * 0.005555555555555556)))), 2.0) + Math.pow((a * Math.cos((Math.pow(t_0, 2.0) * (Math.PI * t_0)))), 2.0);
}
angle_m = abs(angle) function code(a, b, angle_m) t_0 = cbrt(Float64(angle_m * 0.005555555555555556)) return Float64((Float64(b * sin(Float64(pi * Float64(angle_m * 0.005555555555555556)))) ^ 2.0) + (Float64(a * cos(Float64((t_0 ^ 2.0) * Float64(pi * t_0)))) ^ 2.0)) end
angle_m = N[Abs[angle], $MachinePrecision]
code[a_, b_, angle$95$m_] := Block[{t$95$0 = N[Power[N[(angle$95$m * 0.005555555555555556), $MachinePrecision], 1/3], $MachinePrecision]}, N[(N[Power[N[(b * N[Sin[N[(Pi * N[(angle$95$m * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(a * N[Cos[N[(N[Power[t$95$0, 2.0], $MachinePrecision] * N[(Pi * t$95$0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
angle_m = \left|angle\right|
\\
\begin{array}{l}
t_0 := \sqrt[3]{angle\_m \cdot 0.005555555555555556}\\
{\left(b \cdot \sin \left(\pi \cdot \left(angle\_m \cdot 0.005555555555555556\right)\right)\right)}^{2} + {\left(a \cdot \cos \left({t\_0}^{2} \cdot \left(\pi \cdot t\_0\right)\right)\right)}^{2}
\end{array}
\end{array}
Initial program 80.9%
Simplified81.0%
expm1-log1p-u62.7%
Applied egg-rr62.7%
expm1-log1p-u81.0%
add-cube-cbrt81.0%
unpow381.0%
*-commutative81.0%
unpow381.0%
associate-*l*81.1%
pow281.1%
Applied egg-rr81.1%
Final simplification81.1%
angle_m = (fabs.f64 angle) (FPCore (a b angle_m) :precision binary64 (+ (pow (* a (cos (* PI (* angle_m 0.005555555555555556)))) 2.0) (pow (* b (sin (* angle_m (* 0.005555555555555556 PI)))) 2.0)))
angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
return pow((a * cos((((double) M_PI) * (angle_m * 0.005555555555555556)))), 2.0) + pow((b * sin((angle_m * (0.005555555555555556 * ((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.cos((Math.PI * (angle_m * 0.005555555555555556)))), 2.0) + Math.pow((b * Math.sin((angle_m * (0.005555555555555556 * Math.PI)))), 2.0);
}
angle_m = math.fabs(angle) def code(a, b, angle_m): return math.pow((a * math.cos((math.pi * (angle_m * 0.005555555555555556)))), 2.0) + math.pow((b * math.sin((angle_m * (0.005555555555555556 * math.pi)))), 2.0)
angle_m = abs(angle) function code(a, b, angle_m) return Float64((Float64(a * cos(Float64(pi * Float64(angle_m * 0.005555555555555556)))) ^ 2.0) + (Float64(b * sin(Float64(angle_m * Float64(0.005555555555555556 * pi)))) ^ 2.0)) end
angle_m = abs(angle); function tmp = code(a, b, angle_m) tmp = ((a * cos((pi * (angle_m * 0.005555555555555556)))) ^ 2.0) + ((b * sin((angle_m * (0.005555555555555556 * pi)))) ^ 2.0); end
angle_m = N[Abs[angle], $MachinePrecision] code[a_, b_, angle$95$m_] := N[(N[Power[N[(a * N[Cos[N[(Pi * N[(angle$95$m * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * N[Sin[N[(angle$95$m * N[(0.005555555555555556 * Pi), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle_m = \left|angle\right|
\\
{\left(a \cdot \cos \left(\pi \cdot \left(angle\_m \cdot 0.005555555555555556\right)\right)\right)}^{2} + {\left(b \cdot \sin \left(angle\_m \cdot \left(0.005555555555555556 \cdot \pi\right)\right)\right)}^{2}
\end{array}
Initial program 80.9%
Simplified81.0%
Taylor expanded in angle around inf 80.6%
associate-*r*81.0%
*-commutative81.0%
associate-*r*81.0%
Simplified81.1%
Final simplification81.1%
angle_m = (fabs.f64 angle) (FPCore (a b angle_m) :precision binary64 (+ (pow (* b (sin (* angle_m (* 0.005555555555555556 PI)))) 2.0) (pow a 2.0)))
angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
return pow((b * sin((angle_m * (0.005555555555555556 * ((double) M_PI))))), 2.0) + pow(a, 2.0);
}
angle_m = Math.abs(angle);
public static double code(double a, double b, double angle_m) {
return Math.pow((b * Math.sin((angle_m * (0.005555555555555556 * Math.PI)))), 2.0) + Math.pow(a, 2.0);
}
angle_m = math.fabs(angle) def code(a, b, angle_m): return math.pow((b * math.sin((angle_m * (0.005555555555555556 * math.pi)))), 2.0) + math.pow(a, 2.0)
angle_m = abs(angle) function code(a, b, angle_m) return Float64((Float64(b * sin(Float64(angle_m * Float64(0.005555555555555556 * pi)))) ^ 2.0) + (a ^ 2.0)) end
angle_m = abs(angle); function tmp = code(a, b, angle_m) tmp = ((b * sin((angle_m * (0.005555555555555556 * pi)))) ^ 2.0) + (a ^ 2.0); end
angle_m = N[Abs[angle], $MachinePrecision] code[a_, b_, angle$95$m_] := N[(N[Power[N[(b * N[Sin[N[(angle$95$m * N[(0.005555555555555556 * Pi), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[a, 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle_m = \left|angle\right|
\\
{\left(b \cdot \sin \left(angle\_m \cdot \left(0.005555555555555556 \cdot \pi\right)\right)\right)}^{2} + {a}^{2}
\end{array}
Initial program 80.9%
Simplified81.0%
Taylor expanded in angle around 0 81.0%
Taylor expanded in angle around inf 80.6%
associate-*r*81.0%
*-commutative81.0%
associate-*r*81.0%
Simplified81.0%
Final simplification81.0%
angle_m = (fabs.f64 angle) (FPCore (a b angle_m) :precision binary64 (+ (pow a 2.0) (pow (* 0.005555555555555556 (* PI (* angle_m b))) 2.0)))
angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
return pow(a, 2.0) + pow((0.005555555555555556 * (((double) M_PI) * (angle_m * b))), 2.0);
}
angle_m = Math.abs(angle);
public static double code(double a, double b, double angle_m) {
return Math.pow(a, 2.0) + Math.pow((0.005555555555555556 * (Math.PI * (angle_m * b))), 2.0);
}
angle_m = math.fabs(angle) def code(a, b, angle_m): return math.pow(a, 2.0) + math.pow((0.005555555555555556 * (math.pi * (angle_m * b))), 2.0)
angle_m = abs(angle) function code(a, b, angle_m) return Float64((a ^ 2.0) + (Float64(0.005555555555555556 * Float64(pi * Float64(angle_m * b))) ^ 2.0)) end
angle_m = abs(angle); function tmp = code(a, b, angle_m) tmp = (a ^ 2.0) + ((0.005555555555555556 * (pi * (angle_m * b))) ^ 2.0); end
angle_m = N[Abs[angle], $MachinePrecision] code[a_, b_, angle$95$m_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[Power[N[(0.005555555555555556 * N[(Pi * N[(angle$95$m * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle_m = \left|angle\right|
\\
{a}^{2} + {\left(0.005555555555555556 \cdot \left(\pi \cdot \left(angle\_m \cdot b\right)\right)\right)}^{2}
\end{array}
Initial program 80.9%
Simplified81.0%
Taylor expanded in angle around 0 81.0%
Taylor expanded in angle around 0 76.6%
associate-*r*76.6%
Simplified76.6%
Final simplification76.6%
angle_m = (fabs.f64 angle) (FPCore (a b angle_m) :precision binary64 (+ (pow a 2.0) (* (* 0.005555555555555556 (* angle_m b)) (* PI (* 0.005555555555555556 (* angle_m (* PI b)))))))
angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
return pow(a, 2.0) + ((0.005555555555555556 * (angle_m * b)) * (((double) M_PI) * (0.005555555555555556 * (angle_m * (((double) M_PI) * b)))));
}
angle_m = Math.abs(angle);
public static double code(double a, double b, double angle_m) {
return Math.pow(a, 2.0) + ((0.005555555555555556 * (angle_m * b)) * (Math.PI * (0.005555555555555556 * (angle_m * (Math.PI * b)))));
}
angle_m = math.fabs(angle) def code(a, b, angle_m): return math.pow(a, 2.0) + ((0.005555555555555556 * (angle_m * b)) * (math.pi * (0.005555555555555556 * (angle_m * (math.pi * b)))))
angle_m = abs(angle) function code(a, b, angle_m) return Float64((a ^ 2.0) + Float64(Float64(0.005555555555555556 * Float64(angle_m * b)) * Float64(pi * Float64(0.005555555555555556 * Float64(angle_m * Float64(pi * b)))))) end
angle_m = abs(angle); function tmp = code(a, b, angle_m) tmp = (a ^ 2.0) + ((0.005555555555555556 * (angle_m * b)) * (pi * (0.005555555555555556 * (angle_m * (pi * b))))); end
angle_m = N[Abs[angle], $MachinePrecision] code[a_, b_, angle$95$m_] := N[(N[Power[a, 2.0], $MachinePrecision] + N[(N[(0.005555555555555556 * N[(angle$95$m * b), $MachinePrecision]), $MachinePrecision] * N[(Pi * N[(0.005555555555555556 * N[(angle$95$m * N[(Pi * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle_m = \left|angle\right|
\\
{a}^{2} + \left(0.005555555555555556 \cdot \left(angle\_m \cdot b\right)\right) \cdot \left(\pi \cdot \left(0.005555555555555556 \cdot \left(angle\_m \cdot \left(\pi \cdot b\right)\right)\right)\right)
\end{array}
Initial program 80.9%
Simplified81.0%
Taylor expanded in angle around 0 81.0%
Taylor expanded in angle around 0 76.6%
associate-*r*76.6%
Simplified76.6%
unpow276.6%
associate-*r*76.6%
associate-*l*76.6%
associate-*r*76.6%
*-commutative76.6%
Applied egg-rr76.6%
Taylor expanded in angle around 0 76.6%
*-commutative76.6%
Simplified76.6%
Final simplification76.6%
herbie shell --seed 2024055
(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)))