
(FPCore (ux uy maxCos) :precision binary32 (let* ((t_0 (+ (- 1.0 ux) (* ux maxCos)))) (* (sin (* (* uy 2.0) PI)) (sqrt (- 1.0 (* t_0 t_0))))))
float code(float ux, float uy, float maxCos) {
float t_0 = (1.0f - ux) + (ux * maxCos);
return sinf(((uy * 2.0f) * ((float) M_PI))) * sqrtf((1.0f - (t_0 * t_0)));
}
function code(ux, uy, maxCos) t_0 = Float32(Float32(Float32(1.0) - ux) + Float32(ux * maxCos)) return Float32(sin(Float32(Float32(uy * Float32(2.0)) * Float32(pi))) * sqrt(Float32(Float32(1.0) - Float32(t_0 * t_0)))) end
function tmp = code(ux, uy, maxCos) t_0 = (single(1.0) - ux) + (ux * maxCos); tmp = sin(((uy * single(2.0)) * single(pi))) * sqrt((single(1.0) - (t_0 * t_0))); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - ux\right) + ux \cdot maxCos\\
\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - t\_0 \cdot t\_0}
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 14 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (ux uy maxCos) :precision binary32 (let* ((t_0 (+ (- 1.0 ux) (* ux maxCos)))) (* (sin (* (* uy 2.0) PI)) (sqrt (- 1.0 (* t_0 t_0))))))
float code(float ux, float uy, float maxCos) {
float t_0 = (1.0f - ux) + (ux * maxCos);
return sinf(((uy * 2.0f) * ((float) M_PI))) * sqrtf((1.0f - (t_0 * t_0)));
}
function code(ux, uy, maxCos) t_0 = Float32(Float32(Float32(1.0) - ux) + Float32(ux * maxCos)) return Float32(sin(Float32(Float32(uy * Float32(2.0)) * Float32(pi))) * sqrt(Float32(Float32(1.0) - Float32(t_0 * t_0)))) end
function tmp = code(ux, uy, maxCos) t_0 = (single(1.0) - ux) + (ux * maxCos); tmp = sin(((uy * single(2.0)) * single(pi))) * sqrt((single(1.0) - (t_0 * t_0))); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - ux\right) + ux \cdot maxCos\\
\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - t\_0 \cdot t\_0}
\end{array}
\end{array}
(FPCore (ux uy maxCos)
:precision binary32
(*
(sin (* (* uy 2.0) PI))
(sqrt
(*
ux
(* ux (- (/ (+ 2.0 (* maxCos -2.0)) ux) (pow (+ -1.0 maxCos) 2.0)))))))
float code(float ux, float uy, float maxCos) {
return sinf(((uy * 2.0f) * ((float) M_PI))) * sqrtf((ux * (ux * (((2.0f + (maxCos * -2.0f)) / ux) - powf((-1.0f + maxCos), 2.0f)))));
}
function code(ux, uy, maxCos) return Float32(sin(Float32(Float32(uy * Float32(2.0)) * Float32(pi))) * sqrt(Float32(ux * Float32(ux * Float32(Float32(Float32(Float32(2.0) + Float32(maxCos * Float32(-2.0))) / ux) - (Float32(Float32(-1.0) + maxCos) ^ Float32(2.0))))))) end
function tmp = code(ux, uy, maxCos) tmp = sin(((uy * single(2.0)) * single(pi))) * sqrt((ux * (ux * (((single(2.0) + (maxCos * single(-2.0))) / ux) - ((single(-1.0) + maxCos) ^ single(2.0)))))); end
\begin{array}{l}
\\
\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{ux \cdot \left(ux \cdot \left(\frac{2 + maxCos \cdot -2}{ux} - {\left(-1 + maxCos\right)}^{2}\right)\right)}
\end{array}
Initial program 58.0%
Taylor expanded in ux around 0 98.4%
associate--l+98.4%
associate-*r*98.4%
mul-1-neg98.4%
sub-neg98.4%
metadata-eval98.4%
+-commutative98.4%
Simplified98.4%
Taylor expanded in ux around inf 98.4%
mul-1-neg98.4%
associate--l+98.4%
sub-neg98.4%
metadata-eval98.4%
+-commutative98.4%
associate-*r/98.4%
metadata-eval98.4%
associate-*r/98.4%
div-sub98.4%
cancel-sign-sub-inv98.4%
metadata-eval98.4%
Simplified98.4%
Final simplification98.4%
(FPCore (ux uy maxCos) :precision binary32 (* (sin (* (* uy 2.0) PI)) (sqrt (* ux (- 2.0 (+ (* 2.0 maxCos) (* ux (pow (+ -1.0 maxCos) 2.0))))))))
float code(float ux, float uy, float maxCos) {
return sinf(((uy * 2.0f) * ((float) M_PI))) * sqrtf((ux * (2.0f - ((2.0f * maxCos) + (ux * powf((-1.0f + maxCos), 2.0f))))));
}
function code(ux, uy, maxCos) return Float32(sin(Float32(Float32(uy * Float32(2.0)) * Float32(pi))) * sqrt(Float32(ux * Float32(Float32(2.0) - Float32(Float32(Float32(2.0) * maxCos) + Float32(ux * (Float32(Float32(-1.0) + maxCos) ^ Float32(2.0)))))))) end
function tmp = code(ux, uy, maxCos) tmp = sin(((uy * single(2.0)) * single(pi))) * sqrt((ux * (single(2.0) - ((single(2.0) * maxCos) + (ux * ((single(-1.0) + maxCos) ^ single(2.0))))))); end
\begin{array}{l}
\\
\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{ux \cdot \left(2 - \left(2 \cdot maxCos + ux \cdot {\left(-1 + maxCos\right)}^{2}\right)\right)}
\end{array}
Initial program 58.0%
Taylor expanded in ux around 0 98.4%
associate--l+98.4%
associate-*r*98.4%
mul-1-neg98.4%
sub-neg98.4%
metadata-eval98.4%
+-commutative98.4%
Simplified98.4%
Final simplification98.4%
(FPCore (ux uy maxCos) :precision binary32 (* (sin (* (* uy 2.0) PI)) (sqrt (* ux (+ 2.0 (- (* maxCos (- (* ux (- 2.0 maxCos)) 2.0)) ux))))))
float code(float ux, float uy, float maxCos) {
return sinf(((uy * 2.0f) * ((float) M_PI))) * sqrtf((ux * (2.0f + ((maxCos * ((ux * (2.0f - maxCos)) - 2.0f)) - ux))));
}
function code(ux, uy, maxCos) return Float32(sin(Float32(Float32(uy * Float32(2.0)) * Float32(pi))) * sqrt(Float32(ux * Float32(Float32(2.0) + Float32(Float32(maxCos * Float32(Float32(ux * Float32(Float32(2.0) - maxCos)) - Float32(2.0))) - ux))))) end
function tmp = code(ux, uy, maxCos) tmp = sin(((uy * single(2.0)) * single(pi))) * sqrt((ux * (single(2.0) + ((maxCos * ((ux * (single(2.0) - maxCos)) - single(2.0))) - ux)))); end
\begin{array}{l}
\\
\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{ux \cdot \left(2 + \left(maxCos \cdot \left(ux \cdot \left(2 - maxCos\right) - 2\right) - ux\right)\right)}
\end{array}
Initial program 58.0%
Taylor expanded in ux around 0 98.4%
associate--l+98.4%
associate-*r*98.4%
mul-1-neg98.4%
sub-neg98.4%
metadata-eval98.4%
+-commutative98.4%
Simplified98.4%
Taylor expanded in maxCos around 0 98.4%
Taylor expanded in ux around 0 98.4%
mul-1-neg98.4%
unsub-neg98.4%
Simplified98.4%
Final simplification98.4%
(FPCore (ux uy maxCos) :precision binary32 (* ux (* (sin (* 2.0 (* uy PI))) (sqrt (+ (/ 2.0 ux) (+ -1.0 (* maxCos (- 2.0 (/ 2.0 ux)))))))))
float code(float ux, float uy, float maxCos) {
return ux * (sinf((2.0f * (uy * ((float) M_PI)))) * sqrtf(((2.0f / ux) + (-1.0f + (maxCos * (2.0f - (2.0f / ux)))))));
}
function code(ux, uy, maxCos) return Float32(ux * Float32(sin(Float32(Float32(2.0) * Float32(uy * Float32(pi)))) * sqrt(Float32(Float32(Float32(2.0) / ux) + Float32(Float32(-1.0) + Float32(maxCos * Float32(Float32(2.0) - Float32(Float32(2.0) / ux)))))))) end
function tmp = code(ux, uy, maxCos) tmp = ux * (sin((single(2.0) * (uy * single(pi)))) * sqrt(((single(2.0) / ux) + (single(-1.0) + (maxCos * (single(2.0) - (single(2.0) / ux))))))); end
\begin{array}{l}
\\
ux \cdot \left(\sin \left(2 \cdot \left(uy \cdot \pi\right)\right) \cdot \sqrt{\frac{2}{ux} + \left(-1 + maxCos \cdot \left(2 - \frac{2}{ux}\right)\right)}\right)
\end{array}
Initial program 58.0%
Taylor expanded in ux around 0 98.4%
associate--l+98.4%
associate-*r*98.4%
mul-1-neg98.4%
sub-neg98.4%
metadata-eval98.4%
+-commutative98.4%
Simplified98.4%
Taylor expanded in ux around inf 98.4%
mul-1-neg98.4%
associate--l+98.4%
sub-neg98.4%
metadata-eval98.4%
+-commutative98.4%
associate-*r/98.4%
metadata-eval98.4%
associate-*r/98.4%
div-sub98.4%
cancel-sign-sub-inv98.4%
metadata-eval98.4%
Simplified98.4%
Taylor expanded in uy around inf 98.3%
associate-*l*98.4%
unpow298.4%
fma-define98.4%
associate-*r/98.4%
metadata-eval98.4%
unpow298.4%
sub-neg98.4%
metadata-eval98.4%
Simplified98.4%
Taylor expanded in maxCos around 0 98.0%
associate--l+98.0%
associate-*r/98.0%
metadata-eval98.0%
associate-*r/98.0%
metadata-eval98.0%
Simplified98.0%
Final simplification98.0%
(FPCore (ux uy maxCos) :precision binary32 (* (sin (* (* uy 2.0) PI)) (sqrt (* ux (+ 2.0 (- (* maxCos (- (* 2.0 ux) 2.0)) ux))))))
float code(float ux, float uy, float maxCos) {
return sinf(((uy * 2.0f) * ((float) M_PI))) * sqrtf((ux * (2.0f + ((maxCos * ((2.0f * ux) - 2.0f)) - ux))));
}
function code(ux, uy, maxCos) return Float32(sin(Float32(Float32(uy * Float32(2.0)) * Float32(pi))) * sqrt(Float32(ux * Float32(Float32(2.0) + Float32(Float32(maxCos * Float32(Float32(Float32(2.0) * ux) - Float32(2.0))) - ux))))) end
function tmp = code(ux, uy, maxCos) tmp = sin(((uy * single(2.0)) * single(pi))) * sqrt((ux * (single(2.0) + ((maxCos * ((single(2.0) * ux) - single(2.0))) - ux)))); end
\begin{array}{l}
\\
\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{ux \cdot \left(2 + \left(maxCos \cdot \left(2 \cdot ux - 2\right) - ux\right)\right)}
\end{array}
Initial program 58.0%
Taylor expanded in ux around 0 98.4%
associate--l+98.4%
associate-*r*98.4%
mul-1-neg98.4%
sub-neg98.4%
metadata-eval98.4%
+-commutative98.4%
Simplified98.4%
Taylor expanded in maxCos around 0 98.1%
Final simplification98.1%
(FPCore (ux uy maxCos)
:precision binary32
(if (<= (* uy 2.0) 0.010499999858438969)
(*
(* 2.0 (* uy PI))
(sqrt
(* ux (+ 2.0 (- (* maxCos (- (- (* 2.0 ux) (* ux maxCos)) 2.0)) ux)))))
(* (sin (* uy (* 2.0 PI))) (sqrt (* 2.0 ux)))))
float code(float ux, float uy, float maxCos) {
float tmp;
if ((uy * 2.0f) <= 0.010499999858438969f) {
tmp = (2.0f * (uy * ((float) M_PI))) * sqrtf((ux * (2.0f + ((maxCos * (((2.0f * ux) - (ux * maxCos)) - 2.0f)) - ux))));
} else {
tmp = sinf((uy * (2.0f * ((float) M_PI)))) * sqrtf((2.0f * ux));
}
return tmp;
}
function code(ux, uy, maxCos) tmp = Float32(0.0) if (Float32(uy * Float32(2.0)) <= Float32(0.010499999858438969)) tmp = Float32(Float32(Float32(2.0) * Float32(uy * Float32(pi))) * sqrt(Float32(ux * Float32(Float32(2.0) + Float32(Float32(maxCos * Float32(Float32(Float32(Float32(2.0) * ux) - Float32(ux * maxCos)) - Float32(2.0))) - ux))))); else tmp = Float32(sin(Float32(uy * Float32(Float32(2.0) * Float32(pi)))) * sqrt(Float32(Float32(2.0) * ux))); end return tmp end
function tmp_2 = code(ux, uy, maxCos) tmp = single(0.0); if ((uy * single(2.0)) <= single(0.010499999858438969)) tmp = (single(2.0) * (uy * single(pi))) * sqrt((ux * (single(2.0) + ((maxCos * (((single(2.0) * ux) - (ux * maxCos)) - single(2.0))) - ux)))); else tmp = sin((uy * (single(2.0) * single(pi)))) * sqrt((single(2.0) * ux)); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;uy \cdot 2 \leq 0.010499999858438969:\\
\;\;\;\;\left(2 \cdot \left(uy \cdot \pi\right)\right) \cdot \sqrt{ux \cdot \left(2 + \left(maxCos \cdot \left(\left(2 \cdot ux - ux \cdot maxCos\right) - 2\right) - ux\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;\sin \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot \sqrt{2 \cdot ux}\\
\end{array}
\end{array}
if (*.f32 uy #s(literal 2 binary32)) < 0.0104999999Initial program 59.6%
Taylor expanded in ux around 0 98.3%
associate--l+98.4%
associate-*r*98.4%
mul-1-neg98.4%
sub-neg98.4%
metadata-eval98.4%
+-commutative98.4%
Simplified98.4%
Taylor expanded in maxCos around 0 98.4%
Taylor expanded in uy around 0 94.6%
if 0.0104999999 < (*.f32 uy #s(literal 2 binary32)) Initial program 53.3%
associate-*l*53.3%
sub-neg53.3%
+-commutative53.3%
distribute-rgt-neg-in53.3%
fma-define53.3%
Simplified53.4%
Taylor expanded in maxCos around 0 52.1%
Taylor expanded in ux around 0 75.6%
Final simplification89.8%
(FPCore (ux uy maxCos) :precision binary32 (* (sin (* (* uy 2.0) PI)) (sqrt (* ux (* ux (+ -1.0 (/ 2.0 ux)))))))
float code(float ux, float uy, float maxCos) {
return sinf(((uy * 2.0f) * ((float) M_PI))) * sqrtf((ux * (ux * (-1.0f + (2.0f / ux)))));
}
function code(ux, uy, maxCos) return Float32(sin(Float32(Float32(uy * Float32(2.0)) * Float32(pi))) * sqrt(Float32(ux * Float32(ux * Float32(Float32(-1.0) + Float32(Float32(2.0) / ux)))))) end
function tmp = code(ux, uy, maxCos) tmp = sin(((uy * single(2.0)) * single(pi))) * sqrt((ux * (ux * (single(-1.0) + (single(2.0) / ux))))); end
\begin{array}{l}
\\
\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{ux \cdot \left(ux \cdot \left(-1 + \frac{2}{ux}\right)\right)}
\end{array}
Initial program 58.0%
Taylor expanded in ux around 0 98.4%
associate--l+98.4%
associate-*r*98.4%
mul-1-neg98.4%
sub-neg98.4%
metadata-eval98.4%
+-commutative98.4%
Simplified98.4%
Taylor expanded in ux around inf 98.4%
mul-1-neg98.4%
associate--l+98.4%
sub-neg98.4%
metadata-eval98.4%
+-commutative98.4%
associate-*r/98.4%
metadata-eval98.4%
associate-*r/98.4%
div-sub98.4%
cancel-sign-sub-inv98.4%
metadata-eval98.4%
Simplified98.4%
Taylor expanded in maxCos around 0 93.9%
sub-neg93.9%
associate-*r/93.9%
metadata-eval93.9%
metadata-eval93.9%
Simplified93.9%
Final simplification93.9%
(FPCore (ux uy maxCos) :precision binary32 (* (sin (* uy (* 2.0 PI))) (sqrt (* ux (- 2.0 ux)))))
float code(float ux, float uy, float maxCos) {
return sinf((uy * (2.0f * ((float) M_PI)))) * sqrtf((ux * (2.0f - ux)));
}
function code(ux, uy, maxCos) return Float32(sin(Float32(uy * Float32(Float32(2.0) * Float32(pi)))) * sqrt(Float32(ux * Float32(Float32(2.0) - ux)))) end
function tmp = code(ux, uy, maxCos) tmp = sin((uy * (single(2.0) * single(pi)))) * sqrt((ux * (single(2.0) - ux))); end
\begin{array}{l}
\\
\sin \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot \sqrt{ux \cdot \left(2 - ux\right)}
\end{array}
Initial program 58.0%
associate-*l*58.0%
sub-neg58.0%
+-commutative58.0%
distribute-rgt-neg-in58.0%
fma-define57.9%
Simplified58.0%
Taylor expanded in maxCos around 0 56.7%
neg-mul-156.7%
sub-neg56.7%
Applied egg-rr56.7%
Taylor expanded in ux around 0 93.8%
neg-mul-193.8%
unsub-neg93.8%
Simplified93.8%
(FPCore (ux uy maxCos) :precision binary32 (* (* 2.0 (* uy PI)) (sqrt (* ux (+ 2.0 (- (* maxCos (- (- (* 2.0 ux) (* ux maxCos)) 2.0)) ux))))))
float code(float ux, float uy, float maxCos) {
return (2.0f * (uy * ((float) M_PI))) * sqrtf((ux * (2.0f + ((maxCos * (((2.0f * ux) - (ux * maxCos)) - 2.0f)) - ux))));
}
function code(ux, uy, maxCos) return Float32(Float32(Float32(2.0) * Float32(uy * Float32(pi))) * sqrt(Float32(ux * Float32(Float32(2.0) + Float32(Float32(maxCos * Float32(Float32(Float32(Float32(2.0) * ux) - Float32(ux * maxCos)) - Float32(2.0))) - ux))))) end
function tmp = code(ux, uy, maxCos) tmp = (single(2.0) * (uy * single(pi))) * sqrt((ux * (single(2.0) + ((maxCos * (((single(2.0) * ux) - (ux * maxCos)) - single(2.0))) - ux)))); end
\begin{array}{l}
\\
\left(2 \cdot \left(uy \cdot \pi\right)\right) \cdot \sqrt{ux \cdot \left(2 + \left(maxCos \cdot \left(\left(2 \cdot ux - ux \cdot maxCos\right) - 2\right) - ux\right)\right)}
\end{array}
Initial program 58.0%
Taylor expanded in ux around 0 98.4%
associate--l+98.4%
associate-*r*98.4%
mul-1-neg98.4%
sub-neg98.4%
metadata-eval98.4%
+-commutative98.4%
Simplified98.4%
Taylor expanded in maxCos around 0 98.4%
Taylor expanded in uy around 0 80.8%
Final simplification80.8%
(FPCore (ux uy maxCos) :precision binary32 (* (* 2.0 (* uy PI)) (sqrt (* ux (* ux (+ -1.0 (/ 2.0 ux)))))))
float code(float ux, float uy, float maxCos) {
return (2.0f * (uy * ((float) M_PI))) * sqrtf((ux * (ux * (-1.0f + (2.0f / ux)))));
}
function code(ux, uy, maxCos) return Float32(Float32(Float32(2.0) * Float32(uy * Float32(pi))) * sqrt(Float32(ux * Float32(ux * Float32(Float32(-1.0) + Float32(Float32(2.0) / ux)))))) end
function tmp = code(ux, uy, maxCos) tmp = (single(2.0) * (uy * single(pi))) * sqrt((ux * (ux * (single(-1.0) + (single(2.0) / ux))))); end
\begin{array}{l}
\\
\left(2 \cdot \left(uy \cdot \pi\right)\right) \cdot \sqrt{ux \cdot \left(ux \cdot \left(-1 + \frac{2}{ux}\right)\right)}
\end{array}
Initial program 58.0%
Taylor expanded in ux around 0 98.4%
associate--l+98.4%
associate-*r*98.4%
mul-1-neg98.4%
sub-neg98.4%
metadata-eval98.4%
+-commutative98.4%
Simplified98.4%
Taylor expanded in ux around inf 98.4%
mul-1-neg98.4%
associate--l+98.4%
sub-neg98.4%
metadata-eval98.4%
+-commutative98.4%
associate-*r/98.4%
metadata-eval98.4%
associate-*r/98.4%
div-sub98.4%
cancel-sign-sub-inv98.4%
metadata-eval98.4%
Simplified98.4%
Taylor expanded in maxCos around 0 93.9%
sub-neg93.9%
associate-*r/93.9%
metadata-eval93.9%
metadata-eval93.9%
Simplified93.9%
Taylor expanded in uy around 0 77.9%
Final simplification77.9%
(FPCore (ux uy maxCos) :precision binary32 (* 2.0 (* (* ux (* uy PI)) (sqrt (+ -1.0 (* 2.0 (/ 1.0 ux)))))))
float code(float ux, float uy, float maxCos) {
return 2.0f * ((ux * (uy * ((float) M_PI))) * sqrtf((-1.0f + (2.0f * (1.0f / ux)))));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * Float32(Float32(ux * Float32(uy * Float32(pi))) * sqrt(Float32(Float32(-1.0) + Float32(Float32(2.0) * Float32(Float32(1.0) / ux)))))) end
function tmp = code(ux, uy, maxCos) tmp = single(2.0) * ((ux * (uy * single(pi))) * sqrt((single(-1.0) + (single(2.0) * (single(1.0) / ux))))); end
\begin{array}{l}
\\
2 \cdot \left(\left(ux \cdot \left(uy \cdot \pi\right)\right) \cdot \sqrt{-1 + 2 \cdot \frac{1}{ux}}\right)
\end{array}
Initial program 58.0%
Taylor expanded in ux around 0 98.4%
associate--l+98.4%
associate-*r*98.4%
mul-1-neg98.4%
sub-neg98.4%
metadata-eval98.4%
+-commutative98.4%
Simplified98.4%
Taylor expanded in ux around inf 98.4%
mul-1-neg98.4%
associate--l+98.4%
sub-neg98.4%
metadata-eval98.4%
+-commutative98.4%
associate-*r/98.4%
metadata-eval98.4%
associate-*r/98.4%
div-sub98.4%
cancel-sign-sub-inv98.4%
metadata-eval98.4%
Simplified98.4%
Taylor expanded in maxCos around 0 93.9%
sub-neg93.9%
associate-*r/93.9%
metadata-eval93.9%
metadata-eval93.9%
Simplified93.9%
Taylor expanded in uy around 0 77.8%
Final simplification77.8%
(FPCore (ux uy maxCos) :precision binary32 (* 2.0 (* ux (* (* uy PI) (sqrt (+ -1.0 (/ 2.0 ux)))))))
float code(float ux, float uy, float maxCos) {
return 2.0f * (ux * ((uy * ((float) M_PI)) * sqrtf((-1.0f + (2.0f / ux)))));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * Float32(ux * Float32(Float32(uy * Float32(pi)) * sqrt(Float32(Float32(-1.0) + Float32(Float32(2.0) / ux)))))) end
function tmp = code(ux, uy, maxCos) tmp = single(2.0) * (ux * ((uy * single(pi)) * sqrt((single(-1.0) + (single(2.0) / ux))))); end
\begin{array}{l}
\\
2 \cdot \left(ux \cdot \left(\left(uy \cdot \pi\right) \cdot \sqrt{-1 + \frac{2}{ux}}\right)\right)
\end{array}
Initial program 58.0%
Taylor expanded in ux around 0 98.4%
associate--l+98.4%
associate-*r*98.4%
mul-1-neg98.4%
sub-neg98.4%
metadata-eval98.4%
+-commutative98.4%
Simplified98.4%
Taylor expanded in ux around inf 98.4%
mul-1-neg98.4%
associate--l+98.4%
sub-neg98.4%
metadata-eval98.4%
+-commutative98.4%
associate-*r/98.4%
metadata-eval98.4%
associate-*r/98.4%
div-sub98.4%
cancel-sign-sub-inv98.4%
metadata-eval98.4%
Simplified98.4%
Taylor expanded in maxCos around 0 93.9%
sub-neg93.9%
associate-*r/93.9%
metadata-eval93.9%
metadata-eval93.9%
Simplified93.9%
Taylor expanded in uy around 0 77.8%
associate-*l*77.8%
sub-neg77.8%
metadata-eval77.8%
+-commutative77.8%
associate-*r/77.8%
metadata-eval77.8%
Simplified77.8%
(FPCore (ux uy maxCos) :precision binary32 (* 2.0 (* (* uy PI) (sqrt (* -2.0 (* ux maxCos))))))
float code(float ux, float uy, float maxCos) {
return 2.0f * ((uy * ((float) M_PI)) * sqrtf((-2.0f * (ux * maxCos))));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * Float32(Float32(uy * Float32(pi)) * sqrt(Float32(Float32(-2.0) * Float32(ux * maxCos))))) end
function tmp = code(ux, uy, maxCos) tmp = single(2.0) * ((uy * single(pi)) * sqrt((single(-2.0) * (ux * maxCos)))); end
\begin{array}{l}
\\
2 \cdot \left(\left(uy \cdot \pi\right) \cdot \sqrt{-2 \cdot \left(ux \cdot maxCos\right)}\right)
\end{array}
Initial program 58.0%
associate-*l*58.0%
sub-neg58.0%
+-commutative58.0%
distribute-rgt-neg-in58.0%
fma-define57.9%
Simplified58.0%
Taylor expanded in uy around 0 51.3%
Simplified51.4%
Taylor expanded in ux around 0 64.4%
Taylor expanded in maxCos around inf 0.0%
*-commutative0.0%
*-commutative0.0%
Simplified0.0%
Final simplification0.0%
(FPCore (ux uy maxCos) :precision binary32 (* 2.0 (* maxCos (* (* uy ux) (* PI (sqrt -1.0))))))
float code(float ux, float uy, float maxCos) {
return 2.0f * (maxCos * ((uy * ux) * (((float) M_PI) * sqrtf(-1.0f))));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * Float32(maxCos * Float32(Float32(uy * ux) * Float32(Float32(pi) * sqrt(Float32(-1.0)))))) end
function tmp = code(ux, uy, maxCos) tmp = single(2.0) * (maxCos * ((uy * ux) * (single(pi) * sqrt(single(-1.0))))); end
\begin{array}{l}
\\
2 \cdot \left(maxCos \cdot \left(\left(uy \cdot ux\right) \cdot \left(\pi \cdot \sqrt{-1}\right)\right)\right)
\end{array}
Initial program 58.0%
associate-*l*58.0%
sub-neg58.0%
+-commutative58.0%
distribute-rgt-neg-in58.0%
fma-define57.9%
Simplified58.0%
Taylor expanded in uy around 0 51.3%
Simplified51.4%
Taylor expanded in maxCos around inf -0.0%
associate-*r*-0.0%
Simplified-0.0%
Final simplification-0.0%
herbie shell --seed 2024157
(FPCore (ux uy maxCos)
:name "UniformSampleCone, y"
:precision binary32
:pre (and (and (and (<= 2.328306437e-10 ux) (<= ux 1.0)) (and (<= 2.328306437e-10 uy) (<= uy 1.0))) (and (<= 0.0 maxCos) (<= maxCos 1.0)))
(* (sin (* (* uy 2.0) PI)) (sqrt (- 1.0 (* (+ (- 1.0 ux) (* ux maxCos)) (+ (- 1.0 ux) (* ux maxCos)))))))