
(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 8 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 (pow (sqrt (* angle_m (* PI 0.005555555555555556))) 2.0))) 2.0) (pow b 2.0)))
angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
return pow((a * sin(pow(sqrt((angle_m * (((double) M_PI) * 0.005555555555555556))), 2.0))), 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(Math.pow(Math.sqrt((angle_m * (Math.PI * 0.005555555555555556))), 2.0))), 2.0) + Math.pow(b, 2.0);
}
angle_m = math.fabs(angle) def code(a, b, angle_m): return math.pow((a * math.sin(math.pow(math.sqrt((angle_m * (math.pi * 0.005555555555555556))), 2.0))), 2.0) + math.pow(b, 2.0)
angle_m = abs(angle) function code(a, b, angle_m) return Float64((Float64(a * sin((sqrt(Float64(angle_m * Float64(pi * 0.005555555555555556))) ^ 2.0))) ^ 2.0) + (b ^ 2.0)) end
angle_m = abs(angle); function tmp = code(a, b, angle_m) tmp = ((a * sin((sqrt((angle_m * (pi * 0.005555555555555556))) ^ 2.0))) ^ 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[Power[N[Sqrt[N[(angle$95$m * N[(Pi * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]], $MachinePrecision], 2.0], $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({\left(\sqrt{angle_m \cdot \left(\pi \cdot 0.005555555555555556\right)}\right)}^{2}\right)\right)}^{2} + {b}^{2}
\end{array}
Initial program 78.1%
*-commutative78.1%
associate-*r/78.2%
associate-*l/78.2%
*-commutative78.2%
*-commutative78.2%
associate-*r/78.1%
associate-*l/78.1%
*-commutative78.1%
Simplified78.1%
Taylor expanded in angle around 0 78.8%
div-inv78.8%
metadata-eval78.8%
add-sqr-sqrt35.6%
pow235.6%
Applied egg-rr35.6%
Final simplification35.6%
angle_m = (fabs.f64 angle) (FPCore (a b angle_m) :precision binary64 (+ (pow b 2.0) (pow (* a (sin (/ 1.0 (/ 180.0 (* angle_m PI))))) 2.0)))
angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
return pow(b, 2.0) + pow((a * sin((1.0 / (180.0 / (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(b, 2.0) + Math.pow((a * Math.sin((1.0 / (180.0 / (angle_m * Math.PI))))), 2.0);
}
angle_m = math.fabs(angle) def code(a, b, angle_m): return math.pow(b, 2.0) + math.pow((a * math.sin((1.0 / (180.0 / (angle_m * math.pi))))), 2.0)
angle_m = abs(angle) function code(a, b, angle_m) return Float64((b ^ 2.0) + (Float64(a * sin(Float64(1.0 / Float64(180.0 / Float64(angle_m * pi))))) ^ 2.0)) end
angle_m = abs(angle); function tmp = code(a, b, angle_m) tmp = (b ^ 2.0) + ((a * sin((1.0 / (180.0 / (angle_m * pi))))) ^ 2.0); end
angle_m = N[Abs[angle], $MachinePrecision] code[a_, b_, angle$95$m_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[Power[N[(a * N[Sin[N[(1.0 / N[(180.0 / N[(angle$95$m * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle_m = \left|angle\right|
\\
{b}^{2} + {\left(a \cdot \sin \left(\frac{1}{\frac{180}{angle_m \cdot \pi}}\right)\right)}^{2}
\end{array}
Initial program 78.1%
*-commutative78.1%
associate-*r/78.2%
associate-*l/78.2%
*-commutative78.2%
*-commutative78.2%
associate-*r/78.1%
associate-*l/78.1%
*-commutative78.1%
Simplified78.1%
Taylor expanded in angle around 0 78.8%
associate-*r/78.8%
clear-num78.8%
Applied egg-rr78.8%
Final simplification78.8%
angle_m = (fabs.f64 angle) (FPCore (a b angle_m) :precision binary64 (+ (pow b 2.0) (pow (* a (sin (/ 1.0 (/ (/ 180.0 angle_m) PI)))) 2.0)))
angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
return pow(b, 2.0) + pow((a * sin((1.0 / ((180.0 / 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(b, 2.0) + Math.pow((a * Math.sin((1.0 / ((180.0 / angle_m) / Math.PI)))), 2.0);
}
angle_m = math.fabs(angle) def code(a, b, angle_m): return math.pow(b, 2.0) + math.pow((a * math.sin((1.0 / ((180.0 / angle_m) / math.pi)))), 2.0)
angle_m = abs(angle) function code(a, b, angle_m) return Float64((b ^ 2.0) + (Float64(a * sin(Float64(1.0 / Float64(Float64(180.0 / angle_m) / pi)))) ^ 2.0)) end
angle_m = abs(angle); function tmp = code(a, b, angle_m) tmp = (b ^ 2.0) + ((a * sin((1.0 / ((180.0 / angle_m) / pi)))) ^ 2.0); end
angle_m = N[Abs[angle], $MachinePrecision] code[a_, b_, angle$95$m_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[Power[N[(a * N[Sin[N[(1.0 / N[(N[(180.0 / angle$95$m), $MachinePrecision] / Pi), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle_m = \left|angle\right|
\\
{b}^{2} + {\left(a \cdot \sin \left(\frac{1}{\frac{\frac{180}{angle_m}}{\pi}}\right)\right)}^{2}
\end{array}
Initial program 78.1%
*-commutative78.1%
associate-*r/78.2%
associate-*l/78.2%
*-commutative78.2%
*-commutative78.2%
associate-*r/78.1%
associate-*l/78.1%
*-commutative78.1%
Simplified78.1%
Taylor expanded in angle around 0 78.8%
associate-*r/78.8%
clear-num78.8%
Applied egg-rr78.8%
expm1-log1p-u49.4%
expm1-udef21.3%
Applied egg-rr21.3%
expm1-def49.4%
expm1-log1p78.8%
associate-/r*78.8%
Simplified78.8%
Final simplification78.8%
angle_m = (fabs.f64 angle) (FPCore (a b angle_m) :precision binary64 (+ (pow b 2.0) (pow (* a (sin (* 0.005555555555555556 (* angle_m PI)))) 2.0)))
angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
return pow(b, 2.0) + pow((a * sin((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(b, 2.0) + Math.pow((a * Math.sin((0.005555555555555556 * (angle_m * Math.PI)))), 2.0);
}
angle_m = math.fabs(angle) def code(a, b, angle_m): return math.pow(b, 2.0) + math.pow((a * math.sin((0.005555555555555556 * (angle_m * math.pi)))), 2.0)
angle_m = abs(angle) function code(a, b, angle_m) return Float64((b ^ 2.0) + (Float64(a * sin(Float64(0.005555555555555556 * Float64(angle_m * pi)))) ^ 2.0)) end
angle_m = abs(angle); function tmp = code(a, b, angle_m) tmp = (b ^ 2.0) + ((a * sin((0.005555555555555556 * (angle_m * pi)))) ^ 2.0); end
angle_m = N[Abs[angle], $MachinePrecision] code[a_, b_, angle$95$m_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[Power[N[(a * N[Sin[N[(0.005555555555555556 * N[(angle$95$m * Pi), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle_m = \left|angle\right|
\\
{b}^{2} + {\left(a \cdot \sin \left(0.005555555555555556 \cdot \left(angle_m \cdot \pi\right)\right)\right)}^{2}
\end{array}
Initial program 78.1%
*-commutative78.1%
associate-*r/78.2%
associate-*l/78.2%
*-commutative78.2%
*-commutative78.2%
associate-*r/78.1%
associate-*l/78.1%
*-commutative78.1%
Simplified78.1%
Taylor expanded in angle around 0 78.8%
Taylor expanded in angle around 0 78.8%
Final simplification78.8%
angle_m = (fabs.f64 angle) (FPCore (a b angle_m) :precision binary64 (+ (pow b 2.0) (pow (* a (sin (/ (* angle_m PI) 180.0))) 2.0)))
angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
return pow(b, 2.0) + pow((a * sin(((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(b, 2.0) + Math.pow((a * Math.sin(((angle_m * Math.PI) / 180.0))), 2.0);
}
angle_m = math.fabs(angle) def code(a, b, angle_m): return math.pow(b, 2.0) + math.pow((a * math.sin(((angle_m * math.pi) / 180.0))), 2.0)
angle_m = abs(angle) function code(a, b, angle_m) return Float64((b ^ 2.0) + (Float64(a * sin(Float64(Float64(angle_m * pi) / 180.0))) ^ 2.0)) end
angle_m = abs(angle); function tmp = code(a, b, angle_m) tmp = (b ^ 2.0) + ((a * sin(((angle_m * pi) / 180.0))) ^ 2.0); end
angle_m = N[Abs[angle], $MachinePrecision] code[a_, b_, angle$95$m_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[Power[N[(a * N[Sin[N[(N[(angle$95$m * Pi), $MachinePrecision] / 180.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle_m = \left|angle\right|
\\
{b}^{2} + {\left(a \cdot \sin \left(\frac{angle_m \cdot \pi}{180}\right)\right)}^{2}
\end{array}
Initial program 78.1%
*-commutative78.1%
associate-*r/78.2%
associate-*l/78.2%
*-commutative78.2%
*-commutative78.2%
associate-*r/78.1%
associate-*l/78.1%
*-commutative78.1%
Simplified78.1%
Taylor expanded in angle around 0 78.8%
associate-*r/78.8%
Applied egg-rr78.8%
Final simplification78.8%
angle_m = (fabs.f64 angle) (FPCore (a b angle_m) :precision binary64 (+ (pow b 2.0) (* (pow (* a (* angle_m PI)) 2.0) 3.08641975308642e-5)))
angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
return pow(b, 2.0) + (pow((a * (angle_m * ((double) M_PI))), 2.0) * 3.08641975308642e-5);
}
angle_m = Math.abs(angle);
public static double code(double a, double b, double angle_m) {
return Math.pow(b, 2.0) + (Math.pow((a * (angle_m * Math.PI)), 2.0) * 3.08641975308642e-5);
}
angle_m = math.fabs(angle) def code(a, b, angle_m): return math.pow(b, 2.0) + (math.pow((a * (angle_m * math.pi)), 2.0) * 3.08641975308642e-5)
angle_m = abs(angle) function code(a, b, angle_m) return Float64((b ^ 2.0) + Float64((Float64(a * Float64(angle_m * pi)) ^ 2.0) * 3.08641975308642e-5)) end
angle_m = abs(angle); function tmp = code(a, b, angle_m) tmp = (b ^ 2.0) + (((a * (angle_m * pi)) ^ 2.0) * 3.08641975308642e-5); end
angle_m = N[Abs[angle], $MachinePrecision] code[a_, b_, angle$95$m_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[(N[Power[N[(a * N[(angle$95$m * Pi), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] * 3.08641975308642e-5), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle_m = \left|angle\right|
\\
{b}^{2} + {\left(a \cdot \left(angle_m \cdot \pi\right)\right)}^{2} \cdot 3.08641975308642 \cdot 10^{-5}
\end{array}
Initial program 78.1%
*-commutative78.1%
associate-*r/78.2%
associate-*l/78.2%
*-commutative78.2%
*-commutative78.2%
associate-*r/78.1%
associate-*l/78.1%
*-commutative78.1%
Simplified78.1%
Taylor expanded in angle around 0 78.8%
Taylor expanded in angle around 0 74.7%
*-commutative74.7%
associate-*l*74.7%
Simplified74.7%
*-commutative74.7%
unpow-prod-down74.3%
metadata-eval74.3%
Applied egg-rr74.3%
Taylor expanded in angle around 0 74.3%
Final simplification74.3%
angle_m = (fabs.f64 angle) (FPCore (a b angle_m) :precision binary64 (+ (pow b 2.0) (pow (* 0.005555555555555556 (* angle_m (* a PI))) 2.0)))
angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
return pow(b, 2.0) + pow((0.005555555555555556 * (angle_m * (a * ((double) M_PI)))), 2.0);
}
angle_m = Math.abs(angle);
public static double code(double a, double b, double angle_m) {
return Math.pow(b, 2.0) + Math.pow((0.005555555555555556 * (angle_m * (a * Math.PI))), 2.0);
}
angle_m = math.fabs(angle) def code(a, b, angle_m): return math.pow(b, 2.0) + math.pow((0.005555555555555556 * (angle_m * (a * math.pi))), 2.0)
angle_m = abs(angle) function code(a, b, angle_m) return Float64((b ^ 2.0) + (Float64(0.005555555555555556 * Float64(angle_m * Float64(a * pi))) ^ 2.0)) end
angle_m = abs(angle); function tmp = code(a, b, angle_m) tmp = (b ^ 2.0) + ((0.005555555555555556 * (angle_m * (a * pi))) ^ 2.0); end
angle_m = N[Abs[angle], $MachinePrecision] code[a_, b_, angle$95$m_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[Power[N[(0.005555555555555556 * N[(angle$95$m * N[(a * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle_m = \left|angle\right|
\\
{b}^{2} + {\left(0.005555555555555556 \cdot \left(angle_m \cdot \left(a \cdot \pi\right)\right)\right)}^{2}
\end{array}
Initial program 78.1%
*-commutative78.1%
associate-*r/78.2%
associate-*l/78.2%
*-commutative78.2%
*-commutative78.2%
associate-*r/78.1%
associate-*l/78.1%
*-commutative78.1%
Simplified78.1%
Taylor expanded in angle around 0 78.8%
Taylor expanded in angle around 0 74.7%
*-commutative74.7%
associate-*l*74.7%
Simplified74.7%
Final simplification74.7%
angle_m = (fabs.f64 angle) (FPCore (a b angle_m) :precision binary64 (+ (pow b 2.0) (pow (* (* PI 0.005555555555555556) (* a angle_m)) 2.0)))
angle_m = fabs(angle);
double code(double a, double b, double angle_m) {
return pow(b, 2.0) + pow(((((double) M_PI) * 0.005555555555555556) * (a * angle_m)), 2.0);
}
angle_m = Math.abs(angle);
public static double code(double a, double b, double angle_m) {
return Math.pow(b, 2.0) + Math.pow(((Math.PI * 0.005555555555555556) * (a * angle_m)), 2.0);
}
angle_m = math.fabs(angle) def code(a, b, angle_m): return math.pow(b, 2.0) + math.pow(((math.pi * 0.005555555555555556) * (a * angle_m)), 2.0)
angle_m = abs(angle) function code(a, b, angle_m) return Float64((b ^ 2.0) + (Float64(Float64(pi * 0.005555555555555556) * Float64(a * angle_m)) ^ 2.0)) end
angle_m = abs(angle); function tmp = code(a, b, angle_m) tmp = (b ^ 2.0) + (((pi * 0.005555555555555556) * (a * angle_m)) ^ 2.0); end
angle_m = N[Abs[angle], $MachinePrecision] code[a_, b_, angle$95$m_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[Power[N[(N[(Pi * 0.005555555555555556), $MachinePrecision] * N[(a * angle$95$m), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
angle_m = \left|angle\right|
\\
{b}^{2} + {\left(\left(\pi \cdot 0.005555555555555556\right) \cdot \left(a \cdot angle_m\right)\right)}^{2}
\end{array}
Initial program 78.1%
*-commutative78.1%
associate-*r/78.2%
associate-*l/78.2%
*-commutative78.2%
*-commutative78.2%
associate-*r/78.1%
associate-*l/78.1%
*-commutative78.1%
Simplified78.1%
Taylor expanded in angle around 0 78.8%
Taylor expanded in angle around 0 74.7%
*-commutative74.7%
associate-*r*74.6%
associate-*l*74.7%
*-commutative74.7%
*-commutative74.7%
Simplified74.7%
Final simplification74.7%
herbie shell --seed 2023340
(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)))