
(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 (+ (pow (* a (sin (* (* angle PI) 0.005555555555555556))) 2.0) (pow b 2.0)))
double code(double a, double b, double angle) {
return pow((a * sin(((angle * ((double) M_PI)) * 0.005555555555555556))), 2.0) + pow(b, 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow((a * Math.sin(((angle * Math.PI) * 0.005555555555555556))), 2.0) + Math.pow(b, 2.0);
}
def code(a, b, angle): return math.pow((a * math.sin(((angle * math.pi) * 0.005555555555555556))), 2.0) + math.pow(b, 2.0)
function code(a, b, angle) return Float64((Float64(a * sin(Float64(Float64(angle * pi) * 0.005555555555555556))) ^ 2.0) + (b ^ 2.0)) end
function tmp = code(a, b, angle) tmp = ((a * sin(((angle * pi) * 0.005555555555555556))) ^ 2.0) + (b ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[N[(a * N[Sin[N[(N[(angle * Pi), $MachinePrecision] * 0.005555555555555556), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{\left(a \cdot \sin \left(\left(angle \cdot \pi\right) \cdot 0.005555555555555556\right)\right)}^{2} + {b}^{2}
\end{array}
Initial program 80.3%
unpow280.3%
associate-/r/80.3%
unpow280.3%
associate-/r/80.3%
Simplified80.3%
associate-/l*80.4%
div-inv80.5%
metadata-eval80.5%
Applied egg-rr80.5%
Taylor expanded in angle around 0 80.5%
Final simplification80.5%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (pow (* a (sin (* PI (* angle 0.005555555555555556)))) 2.0)))
double code(double a, double b, double angle) {
return pow(b, 2.0) + pow((a * sin((((double) M_PI) * (angle * 0.005555555555555556)))), 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + Math.pow((a * Math.sin((Math.PI * (angle * 0.005555555555555556)))), 2.0);
}
def code(a, b, angle): return math.pow(b, 2.0) + math.pow((a * math.sin((math.pi * (angle * 0.005555555555555556)))), 2.0)
function code(a, b, angle) return Float64((b ^ 2.0) + (Float64(a * sin(Float64(pi * Float64(angle * 0.005555555555555556)))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + ((a * sin((pi * (angle * 0.005555555555555556)))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[Power[N[(a * N[Sin[N[(Pi * N[(angle * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + {\left(a \cdot \sin \left(\pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)\right)}^{2}
\end{array}
Initial program 80.3%
unpow280.3%
swap-sqr80.3%
*-commutative80.3%
associate-*r/80.4%
associate-*l/80.3%
*-commutative80.3%
swap-sqr80.3%
unpow280.3%
*-commutative80.3%
associate-*r/80.3%
associate-*l/80.3%
*-commutative80.3%
Simplified80.3%
add-log-exp70.4%
div-inv70.4%
metadata-eval70.4%
Applied egg-rr70.4%
Taylor expanded in angle around 0 70.4%
rem-log-exp80.4%
associate-*r*80.5%
*-commutative80.5%
associate-*r*80.4%
Applied egg-rr80.4%
Final simplification80.4%
(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 80.3%
unpow280.3%
swap-sqr80.3%
*-commutative80.3%
associate-*r/80.4%
associate-*l/80.3%
*-commutative80.3%
swap-sqr80.3%
unpow280.3%
*-commutative80.3%
associate-*r/80.3%
associate-*l/80.3%
*-commutative80.3%
Simplified80.3%
Taylor expanded in angle around 0 80.4%
Final simplification80.4%
(FPCore (a b angle)
:precision binary64
(if (<= a 1.1e-161)
(+
(pow b 2.0)
(*
0.005555555555555556
(* (* angle PI) (/ (pow a 2.0) (/ (/ 180.0 PI) angle)))))
(+
(pow b 2.0)
(*
(* 0.005555555555555556 (* a (* angle (* PI 0.005555555555555556))))
(* a (* angle PI))))))
double code(double a, double b, double angle) {
double tmp;
if (a <= 1.1e-161) {
tmp = pow(b, 2.0) + (0.005555555555555556 * ((angle * ((double) M_PI)) * (pow(a, 2.0) / ((180.0 / ((double) M_PI)) / angle))));
} else {
tmp = pow(b, 2.0) + ((0.005555555555555556 * (a * (angle * (((double) M_PI) * 0.005555555555555556)))) * (a * (angle * ((double) M_PI))));
}
return tmp;
}
public static double code(double a, double b, double angle) {
double tmp;
if (a <= 1.1e-161) {
tmp = Math.pow(b, 2.0) + (0.005555555555555556 * ((angle * Math.PI) * (Math.pow(a, 2.0) / ((180.0 / Math.PI) / angle))));
} else {
tmp = Math.pow(b, 2.0) + ((0.005555555555555556 * (a * (angle * (Math.PI * 0.005555555555555556)))) * (a * (angle * Math.PI)));
}
return tmp;
}
def code(a, b, angle): tmp = 0 if a <= 1.1e-161: tmp = math.pow(b, 2.0) + (0.005555555555555556 * ((angle * math.pi) * (math.pow(a, 2.0) / ((180.0 / math.pi) / angle)))) else: tmp = math.pow(b, 2.0) + ((0.005555555555555556 * (a * (angle * (math.pi * 0.005555555555555556)))) * (a * (angle * math.pi))) return tmp
function code(a, b, angle) tmp = 0.0 if (a <= 1.1e-161) tmp = Float64((b ^ 2.0) + Float64(0.005555555555555556 * Float64(Float64(angle * pi) * Float64((a ^ 2.0) / Float64(Float64(180.0 / pi) / angle))))); else tmp = Float64((b ^ 2.0) + Float64(Float64(0.005555555555555556 * Float64(a * Float64(angle * Float64(pi * 0.005555555555555556)))) * Float64(a * Float64(angle * pi)))); end return tmp end
function tmp_2 = code(a, b, angle) tmp = 0.0; if (a <= 1.1e-161) tmp = (b ^ 2.0) + (0.005555555555555556 * ((angle * pi) * ((a ^ 2.0) / ((180.0 / pi) / angle)))); else tmp = (b ^ 2.0) + ((0.005555555555555556 * (a * (angle * (pi * 0.005555555555555556)))) * (a * (angle * pi))); end tmp_2 = tmp; end
code[a_, b_, angle_] := If[LessEqual[a, 1.1e-161], N[(N[Power[b, 2.0], $MachinePrecision] + N[(0.005555555555555556 * N[(N[(angle * Pi), $MachinePrecision] * N[(N[Power[a, 2.0], $MachinePrecision] / N[(N[(180.0 / Pi), $MachinePrecision] / angle), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[Power[b, 2.0], $MachinePrecision] + N[(N[(0.005555555555555556 * N[(a * N[(angle * N[(Pi * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(a * N[(angle * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;a \leq 1.1 \cdot 10^{-161}:\\
\;\;\;\;{b}^{2} + 0.005555555555555556 \cdot \left(\left(angle \cdot \pi\right) \cdot \frac{{a}^{2}}{\frac{\frac{180}{\pi}}{angle}}\right)\\
\mathbf{else}:\\
\;\;\;\;{b}^{2} + \left(0.005555555555555556 \cdot \left(a \cdot \left(angle \cdot \left(\pi \cdot 0.005555555555555556\right)\right)\right)\right) \cdot \left(a \cdot \left(angle \cdot \pi\right)\right)\\
\end{array}
\end{array}
if a < 1.10000000000000001e-161Initial program 81.2%
unpow281.2%
swap-sqr81.2%
*-commutative81.2%
associate-*r/81.2%
associate-*l/81.2%
*-commutative81.2%
swap-sqr81.1%
unpow281.1%
*-commutative81.1%
associate-*r/81.1%
associate-*l/81.1%
*-commutative81.1%
Simplified81.1%
Taylor expanded in angle around 0 81.4%
Taylor expanded in angle around 0 76.8%
unpow276.8%
associate-*l*76.8%
*-commutative76.8%
associate-*l*76.8%
associate-*r*76.8%
Applied egg-rr76.8%
*-commutative76.8%
associate-*r*75.6%
*-commutative75.6%
associate-*r*75.6%
*-commutative75.6%
metadata-eval75.6%
associate-/r/75.6%
associate-*r/75.6%
*-rgt-identity75.6%
associate-*l/72.0%
unpow272.0%
*-commutative72.0%
associate-/r*72.0%
Simplified72.0%
if 1.10000000000000001e-161 < a Initial program 78.6%
unpow278.6%
swap-sqr78.6%
*-commutative78.6%
associate-*r/79.0%
associate-*l/78.8%
*-commutative78.8%
swap-sqr78.8%
unpow278.8%
*-commutative78.8%
associate-*r/78.8%
associate-*l/78.8%
*-commutative78.8%
Simplified78.8%
Taylor expanded in angle around 0 78.5%
Taylor expanded in angle around 0 74.8%
unpow274.8%
associate-*r*74.8%
*-commutative74.8%
associate-*l*74.8%
associate-*r*74.8%
Applied egg-rr74.8%
Final simplification73.0%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (* 0.005555555555555556 (* a (* (* angle PI) (* a (* (* angle PI) 0.005555555555555556)))))))
double code(double a, double b, double angle) {
return pow(b, 2.0) + (0.005555555555555556 * (a * ((angle * ((double) M_PI)) * (a * ((angle * ((double) M_PI)) * 0.005555555555555556)))));
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + (0.005555555555555556 * (a * ((angle * Math.PI) * (a * ((angle * Math.PI) * 0.005555555555555556)))));
}
def code(a, b, angle): return math.pow(b, 2.0) + (0.005555555555555556 * (a * ((angle * math.pi) * (a * ((angle * math.pi) * 0.005555555555555556)))))
function code(a, b, angle) return Float64((b ^ 2.0) + Float64(0.005555555555555556 * Float64(a * Float64(Float64(angle * pi) * Float64(a * Float64(Float64(angle * pi) * 0.005555555555555556)))))) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + (0.005555555555555556 * (a * ((angle * pi) * (a * ((angle * pi) * 0.005555555555555556))))); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[(0.005555555555555556 * N[(a * N[(N[(angle * Pi), $MachinePrecision] * N[(a * N[(N[(angle * Pi), $MachinePrecision] * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + 0.005555555555555556 \cdot \left(a \cdot \left(\left(angle \cdot \pi\right) \cdot \left(a \cdot \left(\left(angle \cdot \pi\right) \cdot 0.005555555555555556\right)\right)\right)\right)
\end{array}
Initial program 80.3%
unpow280.3%
swap-sqr80.3%
*-commutative80.3%
associate-*r/80.4%
associate-*l/80.3%
*-commutative80.3%
swap-sqr80.3%
unpow280.3%
*-commutative80.3%
associate-*r/80.3%
associate-*l/80.3%
*-commutative80.3%
Simplified80.3%
Taylor expanded in angle around 0 80.4%
Taylor expanded in angle around 0 76.1%
unpow276.1%
associate-*l*76.1%
*-commutative76.1%
associate-*l*76.1%
associate-*r*76.1%
Applied egg-rr76.1%
associate-*r*73.9%
associate-*r*73.9%
*-commutative73.9%
metadata-eval73.9%
associate-/r/73.9%
associate-*r/73.9%
*-rgt-identity73.9%
*-commutative73.9%
associate-*r/75.3%
*-rgt-identity75.3%
associate-*r/75.3%
*-commutative75.3%
associate-/r/75.3%
metadata-eval75.3%
*-commutative75.3%
associate-*r*75.3%
Simplified75.3%
Final simplification75.3%
(FPCore (a b angle) :precision binary64 (let* ((t_0 (* a (* angle (* PI 0.005555555555555556))))) (+ (pow b 2.0) (* t_0 t_0))))
double code(double a, double b, double angle) {
double t_0 = a * (angle * (((double) M_PI) * 0.005555555555555556));
return pow(b, 2.0) + (t_0 * t_0);
}
public static double code(double a, double b, double angle) {
double t_0 = a * (angle * (Math.PI * 0.005555555555555556));
return Math.pow(b, 2.0) + (t_0 * t_0);
}
def code(a, b, angle): t_0 = a * (angle * (math.pi * 0.005555555555555556)) return math.pow(b, 2.0) + (t_0 * t_0)
function code(a, b, angle) t_0 = Float64(a * Float64(angle * Float64(pi * 0.005555555555555556))) return Float64((b ^ 2.0) + Float64(t_0 * t_0)) end
function tmp = code(a, b, angle) t_0 = a * (angle * (pi * 0.005555555555555556)); tmp = (b ^ 2.0) + (t_0 * t_0); end
code[a_, b_, angle_] := Block[{t$95$0 = N[(a * N[(angle * N[(Pi * 0.005555555555555556), $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 := a \cdot \left(angle \cdot \left(\pi \cdot 0.005555555555555556\right)\right)\\
{b}^{2} + t\_0 \cdot t\_0
\end{array}
\end{array}
Initial program 80.3%
unpow280.3%
swap-sqr80.3%
*-commutative80.3%
associate-*r/80.4%
associate-*l/80.3%
*-commutative80.3%
swap-sqr80.3%
unpow280.3%
*-commutative80.3%
associate-*r/80.3%
associate-*l/80.3%
*-commutative80.3%
Simplified80.3%
Taylor expanded in angle around 0 80.4%
Taylor expanded in angle around 0 76.1%
unpow276.1%
*-commutative76.1%
associate-*l*76.1%
associate-*r*76.1%
*-commutative76.1%
associate-*l*76.1%
associate-*r*76.1%
Applied egg-rr76.1%
Final simplification76.1%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (* (* 0.005555555555555556 (* a (* angle (* PI 0.005555555555555556)))) (* a (* angle PI)))))
double code(double a, double b, double angle) {
return pow(b, 2.0) + ((0.005555555555555556 * (a * (angle * (((double) M_PI) * 0.005555555555555556)))) * (a * (angle * ((double) M_PI))));
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + ((0.005555555555555556 * (a * (angle * (Math.PI * 0.005555555555555556)))) * (a * (angle * Math.PI)));
}
def code(a, b, angle): return math.pow(b, 2.0) + ((0.005555555555555556 * (a * (angle * (math.pi * 0.005555555555555556)))) * (a * (angle * math.pi)))
function code(a, b, angle) return Float64((b ^ 2.0) + Float64(Float64(0.005555555555555556 * Float64(a * Float64(angle * Float64(pi * 0.005555555555555556)))) * Float64(a * Float64(angle * pi)))) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + ((0.005555555555555556 * (a * (angle * (pi * 0.005555555555555556)))) * (a * (angle * pi))); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[(N[(0.005555555555555556 * N[(a * N[(angle * N[(Pi * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(a * N[(angle * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + \left(0.005555555555555556 \cdot \left(a \cdot \left(angle \cdot \left(\pi \cdot 0.005555555555555556\right)\right)\right)\right) \cdot \left(a \cdot \left(angle \cdot \pi\right)\right)
\end{array}
Initial program 80.3%
unpow280.3%
swap-sqr80.3%
*-commutative80.3%
associate-*r/80.4%
associate-*l/80.3%
*-commutative80.3%
swap-sqr80.3%
unpow280.3%
*-commutative80.3%
associate-*r/80.3%
associate-*l/80.3%
*-commutative80.3%
Simplified80.3%
Taylor expanded in angle around 0 80.4%
Taylor expanded in angle around 0 76.1%
unpow276.1%
associate-*r*76.1%
*-commutative76.1%
associate-*l*76.1%
associate-*r*76.1%
Applied egg-rr76.1%
Final simplification76.1%
herbie shell --seed 2024041
(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)))