
(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 5 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) 180.0))) 2.0) (* b b)))
double code(double a, double b, double angle) {
return pow((a * sin(((angle * ((double) M_PI)) / 180.0))), 2.0) + (b * b);
}
public static double code(double a, double b, double angle) {
return Math.pow((a * Math.sin(((angle * Math.PI) / 180.0))), 2.0) + (b * b);
}
def code(a, b, angle): return math.pow((a * math.sin(((angle * math.pi) / 180.0))), 2.0) + (b * b)
function code(a, b, angle) return Float64((Float64(a * sin(Float64(Float64(angle * pi) / 180.0))) ^ 2.0) + Float64(b * b)) end
function tmp = code(a, b, angle) tmp = ((a * sin(((angle * pi) / 180.0))) ^ 2.0) + (b * b); end
code[a_, b_, angle_] := N[(N[Power[N[(a * N[Sin[N[(N[(angle * Pi), $MachinePrecision] / 180.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[(b * b), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{\left(a \cdot \sin \left(\frac{angle \cdot \pi}{180}\right)\right)}^{2} + b \cdot b
\end{array}
Initial program 82.3%
Taylor expanded in angle around 0 82.7%
associate-*l/82.8%
Applied egg-rr82.8%
Taylor expanded in b around 0 82.8%
unpow282.8%
Simplified82.8%
Final simplification82.8%
(FPCore (a b angle) :precision binary64 (+ (* b b) (pow (* a (sin (* (* angle PI) 0.005555555555555556))) 2.0)))
double code(double a, double b, double angle) {
return (b * b) + pow((a * sin(((angle * ((double) M_PI)) * 0.005555555555555556))), 2.0);
}
public static double code(double a, double b, double angle) {
return (b * b) + Math.pow((a * Math.sin(((angle * Math.PI) * 0.005555555555555556))), 2.0);
}
def code(a, b, angle): return (b * b) + math.pow((a * math.sin(((angle * math.pi) * 0.005555555555555556))), 2.0)
function code(a, b, angle) return Float64(Float64(b * b) + (Float64(a * sin(Float64(Float64(angle * pi) * 0.005555555555555556))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (b * b) + ((a * sin(((angle * pi) * 0.005555555555555556))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[(b * b), $MachinePrecision] + N[Power[N[(a * N[Sin[N[(N[(angle * Pi), $MachinePrecision] * 0.005555555555555556), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
b \cdot b + {\left(a \cdot \sin \left(\left(angle \cdot \pi\right) \cdot 0.005555555555555556\right)\right)}^{2}
\end{array}
Initial program 82.3%
Taylor expanded in angle around 0 82.7%
associate-*l/82.8%
Applied egg-rr82.8%
Taylor expanded in b around 0 82.8%
unpow282.8%
Simplified82.8%
div-inv82.7%
metadata-eval82.7%
Applied egg-rr82.7%
Final simplification82.7%
(FPCore (a b angle) :precision binary64 (+ (* b b) (pow (* 0.005555555555555556 (* angle (* a PI))) 2.0)))
double code(double a, double b, double angle) {
return (b * b) + pow((0.005555555555555556 * (angle * (a * ((double) M_PI)))), 2.0);
}
public static double code(double a, double b, double angle) {
return (b * b) + Math.pow((0.005555555555555556 * (angle * (a * Math.PI))), 2.0);
}
def code(a, b, angle): return (b * b) + math.pow((0.005555555555555556 * (angle * (a * math.pi))), 2.0)
function code(a, b, angle) return Float64(Float64(b * b) + (Float64(0.005555555555555556 * Float64(angle * Float64(a * pi))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (b * b) + ((0.005555555555555556 * (angle * (a * pi))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[(b * b), $MachinePrecision] + N[Power[N[(0.005555555555555556 * N[(angle * N[(a * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
b \cdot b + {\left(0.005555555555555556 \cdot \left(angle \cdot \left(a \cdot \pi\right)\right)\right)}^{2}
\end{array}
Initial program 82.3%
Taylor expanded in angle around 0 82.7%
associate-*l/82.8%
Applied egg-rr82.8%
Taylor expanded in b around 0 82.8%
unpow282.8%
Simplified82.8%
Taylor expanded in angle around 0 79.6%
*-commutative79.6%
Simplified79.6%
Final simplification79.6%
(FPCore (a b angle) :precision binary64 (+ (* b b) (pow (* 0.005555555555555556 (* PI (* a angle))) 2.0)))
double code(double a, double b, double angle) {
return (b * b) + pow((0.005555555555555556 * (((double) M_PI) * (a * angle))), 2.0);
}
public static double code(double a, double b, double angle) {
return (b * b) + Math.pow((0.005555555555555556 * (Math.PI * (a * angle))), 2.0);
}
def code(a, b, angle): return (b * b) + math.pow((0.005555555555555556 * (math.pi * (a * angle))), 2.0)
function code(a, b, angle) return Float64(Float64(b * b) + (Float64(0.005555555555555556 * Float64(pi * Float64(a * angle))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (b * b) + ((0.005555555555555556 * (pi * (a * angle))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[(b * b), $MachinePrecision] + N[Power[N[(0.005555555555555556 * N[(Pi * N[(a * angle), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
b \cdot b + {\left(0.005555555555555556 \cdot \left(\pi \cdot \left(a \cdot angle\right)\right)\right)}^{2}
\end{array}
Initial program 82.3%
Taylor expanded in angle around 0 82.7%
Taylor expanded in angle around 0 79.6%
associate-*r*79.6%
Simplified79.6%
Taylor expanded in b around 0 79.6%
unpow282.8%
Simplified79.6%
Final simplification79.6%
(FPCore (a b angle) :precision binary64 (+ (* b b) (pow (* a 0.0) 2.0)))
double code(double a, double b, double angle) {
return (b * b) + pow((a * 0.0), 2.0);
}
real(8) function code(a, b, angle)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: angle
code = (b * b) + ((a * 0.0d0) ** 2.0d0)
end function
public static double code(double a, double b, double angle) {
return (b * b) + Math.pow((a * 0.0), 2.0);
}
def code(a, b, angle): return (b * b) + math.pow((a * 0.0), 2.0)
function code(a, b, angle) return Float64(Float64(b * b) + (Float64(a * 0.0) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (b * b) + ((a * 0.0) ^ 2.0); end
code[a_, b_, angle_] := N[(N[(b * b), $MachinePrecision] + N[Power[N[(a * 0.0), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
b \cdot b + {\left(a \cdot 0\right)}^{2}
\end{array}
Initial program 82.3%
Taylor expanded in angle around 0 82.7%
add-cube-cbrt82.7%
pow382.7%
div-inv82.7%
metadata-eval82.7%
Applied egg-rr82.7%
Taylor expanded in angle around 0 62.2%
Taylor expanded in b around 0 62.2%
unpow282.8%
Simplified62.2%
Final simplification62.2%
herbie shell --seed 2023207
(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)))