
(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 (let* ((t_0 (sin (* angle (* PI 0.005555555555555556))))) (+ (* a (* t_0 (* a t_0))) (pow b 2.0))))
double code(double a, double b, double angle) {
double t_0 = sin((angle * (((double) M_PI) * 0.005555555555555556)));
return (a * (t_0 * (a * t_0))) + pow(b, 2.0);
}
public static double code(double a, double b, double angle) {
double t_0 = Math.sin((angle * (Math.PI * 0.005555555555555556)));
return (a * (t_0 * (a * t_0))) + Math.pow(b, 2.0);
}
def code(a, b, angle): t_0 = math.sin((angle * (math.pi * 0.005555555555555556))) return (a * (t_0 * (a * t_0))) + math.pow(b, 2.0)
function code(a, b, angle) t_0 = sin(Float64(angle * Float64(pi * 0.005555555555555556))) return Float64(Float64(a * Float64(t_0 * Float64(a * t_0))) + (b ^ 2.0)) end
function tmp = code(a, b, angle) t_0 = sin((angle * (pi * 0.005555555555555556))); tmp = (a * (t_0 * (a * t_0))) + (b ^ 2.0); end
code[a_, b_, angle_] := Block[{t$95$0 = N[Sin[N[(angle * N[(Pi * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]}, N[(N[(a * N[(t$95$0 * N[(a * t$95$0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \sin \left(angle \cdot \left(\pi \cdot 0.005555555555555556\right)\right)\\
a \cdot \left(t\_0 \cdot \left(a \cdot t\_0\right)\right) + {b}^{2}
\end{array}
\end{array}
Initial program 79.3%
associate-*l/79.4%
associate-/l*79.4%
cos-neg79.4%
distribute-lft-neg-out79.4%
distribute-frac-neg79.4%
distribute-frac-neg79.4%
distribute-lft-neg-out79.4%
cos-neg79.4%
associate-*l/79.4%
associate-/l*79.4%
Simplified79.4%
Taylor expanded in angle around 0 80.2%
associate-*r/80.2%
associate-*l/80.1%
unpow280.1%
*-commutative80.1%
associate-*r*80.1%
Applied egg-rr80.3%
Final simplification80.3%
(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 79.3%
associate-*l/79.4%
associate-/l*79.4%
cos-neg79.4%
distribute-lft-neg-out79.4%
distribute-frac-neg79.4%
distribute-frac-neg79.4%
distribute-lft-neg-out79.4%
cos-neg79.4%
associate-*l/79.4%
associate-/l*79.4%
Simplified79.4%
Taylor expanded in angle around 0 80.2%
Final simplification80.2%
(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 79.3%
associate-*l/79.4%
associate-/l*79.4%
cos-neg79.4%
distribute-lft-neg-out79.4%
distribute-frac-neg79.4%
distribute-frac-neg79.4%
distribute-lft-neg-out79.4%
cos-neg79.4%
associate-*l/79.4%
associate-/l*79.4%
Simplified79.4%
Taylor expanded in angle around 0 80.2%
Taylor expanded in angle around inf 80.2%
Final simplification80.2%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (pow (* angle (* 0.005555555555555556 (* a PI))) 2.0)))
double code(double a, double b, double angle) {
return pow(b, 2.0) + pow((angle * (0.005555555555555556 * (a * ((double) M_PI)))), 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + Math.pow((angle * (0.005555555555555556 * (a * Math.PI))), 2.0);
}
def code(a, b, angle): return math.pow(b, 2.0) + math.pow((angle * (0.005555555555555556 * (a * math.pi))), 2.0)
function code(a, b, angle) return Float64((b ^ 2.0) + (Float64(angle * Float64(0.005555555555555556 * Float64(a * pi))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + ((angle * (0.005555555555555556 * (a * pi))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[Power[N[(angle * N[(0.005555555555555556 * N[(a * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + {\left(angle \cdot \left(0.005555555555555556 \cdot \left(a \cdot \pi\right)\right)\right)}^{2}
\end{array}
Initial program 79.3%
associate-*l/79.4%
associate-/l*79.4%
cos-neg79.4%
distribute-lft-neg-out79.4%
distribute-frac-neg79.4%
distribute-frac-neg79.4%
distribute-lft-neg-out79.4%
cos-neg79.4%
associate-*l/79.4%
associate-/l*79.4%
Simplified79.4%
Taylor expanded in angle around 0 80.2%
Taylor expanded in angle around 0 74.5%
*-commutative74.5%
associate-*r*74.5%
associate-*l*74.5%
*-commutative74.5%
*-commutative74.5%
Simplified74.5%
Final simplification74.5%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (pow (* a (* angle (/ PI 180.0))) 2.0)))
double code(double a, double b, double angle) {
return pow(b, 2.0) + pow((a * (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 * (angle * (Math.PI / 180.0))), 2.0);
}
def code(a, b, angle): return math.pow(b, 2.0) + math.pow((a * (angle * (math.pi / 180.0))), 2.0)
function code(a, b, angle) return Float64((b ^ 2.0) + (Float64(a * Float64(angle * Float64(pi / 180.0))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + ((a * (angle * (pi / 180.0))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[Power[N[(a * N[(angle * N[(Pi / 180.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + {\left(a \cdot \left(angle \cdot \frac{\pi}{180}\right)\right)}^{2}
\end{array}
Initial program 79.3%
associate-*l/79.4%
associate-/l*79.4%
cos-neg79.4%
distribute-lft-neg-out79.4%
distribute-frac-neg79.4%
distribute-frac-neg79.4%
distribute-lft-neg-out79.4%
cos-neg79.4%
associate-*l/79.4%
associate-/l*79.4%
Simplified79.4%
Taylor expanded in angle around 0 80.2%
Taylor expanded in angle around 0 74.5%
*-commutative74.5%
associate-*l*74.5%
Simplified74.5%
associate-*r*74.5%
metadata-eval74.5%
associate-/r/74.5%
associate-*l/74.4%
*-un-lft-identity74.4%
*-commutative74.4%
Applied egg-rr74.4%
associate-/r/74.5%
associate-*l/74.5%
associate-*r*74.5%
*-commutative74.5%
associate-/l*74.4%
associate-/l*74.5%
Simplified74.5%
Final simplification74.5%
(FPCore (a b angle)
:precision binary64
(let* ((t_0 (* a (* angle PI))))
(+
(pow b 2.0)
(* t_0 (* 0.005555555555555556 (* 0.005555555555555556 t_0))))))
double code(double a, double b, double angle) {
double t_0 = a * (angle * ((double) M_PI));
return pow(b, 2.0) + (t_0 * (0.005555555555555556 * (0.005555555555555556 * t_0)));
}
public static double code(double a, double b, double angle) {
double t_0 = a * (angle * Math.PI);
return Math.pow(b, 2.0) + (t_0 * (0.005555555555555556 * (0.005555555555555556 * t_0)));
}
def code(a, b, angle): t_0 = a * (angle * math.pi) return math.pow(b, 2.0) + (t_0 * (0.005555555555555556 * (0.005555555555555556 * t_0)))
function code(a, b, angle) t_0 = Float64(a * Float64(angle * pi)) return Float64((b ^ 2.0) + Float64(t_0 * Float64(0.005555555555555556 * Float64(0.005555555555555556 * t_0)))) end
function tmp = code(a, b, angle) t_0 = a * (angle * pi); tmp = (b ^ 2.0) + (t_0 * (0.005555555555555556 * (0.005555555555555556 * t_0))); end
code[a_, b_, angle_] := Block[{t$95$0 = N[(a * N[(angle * Pi), $MachinePrecision]), $MachinePrecision]}, N[(N[Power[b, 2.0], $MachinePrecision] + N[(t$95$0 * N[(0.005555555555555556 * N[(0.005555555555555556 * t$95$0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := a \cdot \left(angle \cdot \pi\right)\\
{b}^{2} + t\_0 \cdot \left(0.005555555555555556 \cdot \left(0.005555555555555556 \cdot t\_0\right)\right)
\end{array}
\end{array}
Initial program 79.3%
associate-*l/79.4%
associate-/l*79.4%
cos-neg79.4%
distribute-lft-neg-out79.4%
distribute-frac-neg79.4%
distribute-frac-neg79.4%
distribute-lft-neg-out79.4%
cos-neg79.4%
associate-*l/79.4%
associate-/l*79.4%
Simplified79.4%
Taylor expanded in angle around 0 80.2%
Taylor expanded in angle around 0 74.5%
*-commutative74.5%
associate-*l*74.5%
Simplified74.5%
unpow274.5%
associate-*r*74.5%
associate-*r*74.5%
*-commutative74.5%
associate-*r*74.5%
*-commutative74.5%
Applied egg-rr74.5%
Final simplification74.5%
(FPCore (a b angle) :precision binary64 (let* ((t_0 (* 0.005555555555555556 (* a (* angle PI))))) (+ (pow b 2.0) (* t_0 t_0))))
double code(double a, double b, double angle) {
double t_0 = 0.005555555555555556 * (a * (angle * ((double) M_PI)));
return pow(b, 2.0) + (t_0 * t_0);
}
public static double code(double a, double b, double angle) {
double t_0 = 0.005555555555555556 * (a * (angle * Math.PI));
return Math.pow(b, 2.0) + (t_0 * t_0);
}
def code(a, b, angle): t_0 = 0.005555555555555556 * (a * (angle * math.pi)) return math.pow(b, 2.0) + (t_0 * t_0)
function code(a, b, angle) t_0 = Float64(0.005555555555555556 * Float64(a * Float64(angle * pi))) return Float64((b ^ 2.0) + Float64(t_0 * t_0)) end
function tmp = code(a, b, angle) t_0 = 0.005555555555555556 * (a * (angle * pi)); tmp = (b ^ 2.0) + (t_0 * t_0); end
code[a_, b_, angle_] := Block[{t$95$0 = N[(0.005555555555555556 * N[(a * N[(angle * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, N[(N[Power[b, 2.0], $MachinePrecision] + N[(t$95$0 * t$95$0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := 0.005555555555555556 \cdot \left(a \cdot \left(angle \cdot \pi\right)\right)\\
{b}^{2} + t\_0 \cdot t\_0
\end{array}
\end{array}
Initial program 79.3%
associate-*l/79.4%
associate-/l*79.4%
cos-neg79.4%
distribute-lft-neg-out79.4%
distribute-frac-neg79.4%
distribute-frac-neg79.4%
distribute-lft-neg-out79.4%
cos-neg79.4%
associate-*l/79.4%
associate-/l*79.4%
Simplified79.4%
Taylor expanded in angle around 0 80.2%
Taylor expanded in angle around 0 74.5%
*-commutative74.5%
associate-*l*74.5%
Simplified74.5%
unpow-prod-down74.5%
add-sqr-sqrt74.5%
unpow-prod-down74.5%
sqrt-pow163.7%
metadata-eval63.7%
pow163.7%
associate-*r*63.7%
*-commutative63.7%
unpow-prod-down63.7%
sqrt-pow174.5%
metadata-eval74.5%
pow174.5%
associate-*r*74.5%
*-commutative74.5%
Applied egg-rr74.5%
Final simplification74.5%
herbie shell --seed 2024103
(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)))