
(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 (/ 1.0 (* (/ 180.0 PI) (/ 1.0 angle))))) 2.0) (pow b 2.0)))
double code(double a, double b, double angle) {
return pow((a * sin((1.0 / ((180.0 / ((double) M_PI)) * (1.0 / angle))))), 2.0) + pow(b, 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow((a * Math.sin((1.0 / ((180.0 / Math.PI) * (1.0 / angle))))), 2.0) + Math.pow(b, 2.0);
}
def code(a, b, angle): return math.pow((a * math.sin((1.0 / ((180.0 / math.pi) * (1.0 / angle))))), 2.0) + math.pow(b, 2.0)
function code(a, b, angle) return Float64((Float64(a * sin(Float64(1.0 / Float64(Float64(180.0 / pi) * Float64(1.0 / angle))))) ^ 2.0) + (b ^ 2.0)) end
function tmp = code(a, b, angle) tmp = ((a * sin((1.0 / ((180.0 / pi) * (1.0 / angle))))) ^ 2.0) + (b ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[N[(a * N[Sin[N[(1.0 / N[(N[(180.0 / Pi), $MachinePrecision] * N[(1.0 / angle), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{\left(a \cdot \sin \left(\frac{1}{\frac{180}{\pi} \cdot \frac{1}{angle}}\right)\right)}^{2} + {b}^{2}
\end{array}
Initial program 82.9%
associate-*l/82.9%
associate-*r/82.9%
associate-*l/82.9%
associate-*r/83.0%
Simplified83.0%
Taylor expanded in angle around 0 83.0%
div-inv83.0%
metadata-eval83.0%
add-exp-log37.5%
Applied egg-rr37.5%
add-exp-log83.0%
associate-*r*82.9%
*-commutative82.9%
metadata-eval82.9%
associate-/r/83.0%
*-commutative83.0%
Applied egg-rr83.0%
associate-/r*83.0%
div-inv83.0%
Applied egg-rr83.0%
Final simplification83.0%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (pow (* a (sin (/ 1.0 (/ 180.0 (* PI angle))))) 2.0)))
double code(double a, double b, double angle) {
return pow(b, 2.0) + pow((a * sin((1.0 / (180.0 / (((double) M_PI) * angle))))), 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + Math.pow((a * Math.sin((1.0 / (180.0 / (Math.PI * angle))))), 2.0);
}
def code(a, b, angle): return math.pow(b, 2.0) + math.pow((a * math.sin((1.0 / (180.0 / (math.pi * angle))))), 2.0)
function code(a, b, angle) return Float64((b ^ 2.0) + (Float64(a * sin(Float64(1.0 / Float64(180.0 / Float64(pi * angle))))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + ((a * sin((1.0 / (180.0 / (pi * angle))))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[Power[N[(a * N[Sin[N[(1.0 / N[(180.0 / N[(Pi * angle), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + {\left(a \cdot \sin \left(\frac{1}{\frac{180}{\pi \cdot angle}}\right)\right)}^{2}
\end{array}
Initial program 82.9%
associate-*l/82.9%
associate-*r/82.9%
associate-*l/82.9%
associate-*r/83.0%
Simplified83.0%
Taylor expanded in angle around 0 83.0%
div-inv83.0%
metadata-eval83.0%
add-exp-log37.5%
Applied egg-rr37.5%
add-exp-log83.0%
associate-*r*82.9%
*-commutative82.9%
metadata-eval82.9%
associate-/r/83.0%
*-commutative83.0%
Applied egg-rr83.0%
Final simplification83.0%
(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 82.9%
associate-*l/82.9%
associate-*r/82.9%
associate-*l/82.9%
associate-*r/83.0%
Simplified83.0%
Taylor expanded in angle around 0 83.0%
Final simplification83.0%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (* (* 0.005555555555555556 (* a (* PI (* angle 0.005555555555555556)))) (* PI (* a angle)))))
double code(double a, double b, double angle) {
return pow(b, 2.0) + ((0.005555555555555556 * (a * (((double) M_PI) * (angle * 0.005555555555555556)))) * (((double) M_PI) * (a * angle)));
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + ((0.005555555555555556 * (a * (Math.PI * (angle * 0.005555555555555556)))) * (Math.PI * (a * angle)));
}
def code(a, b, angle): return math.pow(b, 2.0) + ((0.005555555555555556 * (a * (math.pi * (angle * 0.005555555555555556)))) * (math.pi * (a * angle)))
function code(a, b, angle) return Float64((b ^ 2.0) + Float64(Float64(0.005555555555555556 * Float64(a * Float64(pi * Float64(angle * 0.005555555555555556)))) * Float64(pi * Float64(a * angle)))) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + ((0.005555555555555556 * (a * (pi * (angle * 0.005555555555555556)))) * (pi * (a * angle))); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[(N[(0.005555555555555556 * N[(a * N[(Pi * N[(angle * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(Pi * N[(a * angle), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + \left(0.005555555555555556 \cdot \left(a \cdot \left(\pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)\right)\right) \cdot \left(\pi \cdot \left(a \cdot angle\right)\right)
\end{array}
Initial program 82.9%
associate-*l/82.9%
associate-*r/82.9%
associate-*l/82.9%
associate-*r/83.0%
Simplified83.0%
Taylor expanded in angle around 0 83.0%
Taylor expanded in angle around 0 78.5%
unpow278.5%
associate-*r*78.5%
associate-*r*78.5%
*-commutative78.5%
associate-*r*78.5%
*-commutative78.5%
*-commutative78.5%
associate-*r*78.5%
*-commutative78.5%
Applied egg-rr78.5%
Final simplification78.5%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (* 3.08641975308642e-5 (pow (* angle (* a PI)) 2.0))))
double code(double a, double b, double angle) {
return pow(b, 2.0) + (3.08641975308642e-5 * pow((angle * (a * ((double) M_PI))), 2.0));
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + (3.08641975308642e-5 * Math.pow((angle * (a * Math.PI)), 2.0));
}
def code(a, b, angle): return math.pow(b, 2.0) + (3.08641975308642e-5 * math.pow((angle * (a * math.pi)), 2.0))
function code(a, b, angle) return Float64((b ^ 2.0) + Float64(3.08641975308642e-5 * (Float64(angle * Float64(a * pi)) ^ 2.0))) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + (3.08641975308642e-5 * ((angle * (a * pi)) ^ 2.0)); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[(3.08641975308642e-5 * N[Power[N[(angle * N[(a * Pi), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + 3.08641975308642 \cdot 10^{-5} \cdot {\left(angle \cdot \left(a \cdot \pi\right)\right)}^{2}
\end{array}
Initial program 82.9%
associate-*l/82.9%
associate-*r/82.9%
associate-*l/82.9%
associate-*r/83.0%
Simplified83.0%
Taylor expanded in angle around 0 83.0%
associate-*r/82.9%
associate-/l*83.0%
clear-num83.0%
Applied egg-rr83.0%
Taylor expanded in angle around 0 66.0%
associate-*r*66.0%
unpow266.0%
unpow266.0%
unswap-sqr78.5%
*-commutative78.5%
unpow278.5%
swap-sqr78.5%
unpow278.5%
*-commutative78.5%
associate-*r*78.4%
*-commutative78.4%
Simplified78.4%
Final simplification78.4%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (* (pow (* PI (* a angle)) 2.0) 3.08641975308642e-5)))
double code(double a, double b, double angle) {
return pow(b, 2.0) + (pow((((double) M_PI) * (a * angle)), 2.0) * 3.08641975308642e-5);
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + (Math.pow((Math.PI * (a * angle)), 2.0) * 3.08641975308642e-5);
}
def code(a, b, angle): return math.pow(b, 2.0) + (math.pow((math.pi * (a * angle)), 2.0) * 3.08641975308642e-5)
function code(a, b, angle) return Float64((b ^ 2.0) + Float64((Float64(pi * Float64(a * angle)) ^ 2.0) * 3.08641975308642e-5)) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + (((pi * (a * angle)) ^ 2.0) * 3.08641975308642e-5); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[(N[Power[N[(Pi * N[(a * angle), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] * 3.08641975308642e-5), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + {\left(\pi \cdot \left(a \cdot angle\right)\right)}^{2} \cdot 3.08641975308642 \cdot 10^{-5}
\end{array}
Initial program 82.9%
associate-*l/82.9%
associate-*r/82.9%
associate-*l/82.9%
associate-*r/83.0%
Simplified83.0%
Taylor expanded in angle around 0 83.0%
Taylor expanded in angle around 0 78.5%
*-commutative78.5%
unpow-prod-down78.4%
associate-*r*78.5%
*-commutative78.5%
metadata-eval78.5%
Applied egg-rr78.5%
Final simplification78.5%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (pow (* 0.005555555555555556 (* angle (* a PI))) 2.0)))
double code(double a, double b, double angle) {
return pow(b, 2.0) + pow((0.005555555555555556 * (angle * (a * ((double) M_PI)))), 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + Math.pow((0.005555555555555556 * (angle * (a * Math.PI))), 2.0);
}
def code(a, b, angle): return math.pow(b, 2.0) + math.pow((0.005555555555555556 * (angle * (a * math.pi))), 2.0)
function code(a, b, angle) return Float64((b ^ 2.0) + (Float64(0.005555555555555556 * Float64(angle * Float64(a * pi))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + ((0.005555555555555556 * (angle * (a * pi))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[Power[N[(0.005555555555555556 * N[(angle * N[(a * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + {\left(0.005555555555555556 \cdot \left(angle \cdot \left(a \cdot \pi\right)\right)\right)}^{2}
\end{array}
Initial program 82.9%
associate-*l/82.9%
associate-*r/82.9%
associate-*l/82.9%
associate-*r/83.0%
Simplified83.0%
Taylor expanded in angle around 0 83.0%
Taylor expanded in angle around 0 78.5%
Final simplification78.5%
herbie shell --seed 2023240
(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)))