
(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 16 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
(cbrt
(*
(pow
(* ux (+ 2.0 (fma (- ux) (pow (+ -1.0 maxCos) 2.0) (* maxCos -2.0))))
1.5)
(pow (sin (* uy (* 2.0 PI))) 3.0))))
float code(float ux, float uy, float maxCos) {
return cbrtf((powf((ux * (2.0f + fmaf(-ux, powf((-1.0f + maxCos), 2.0f), (maxCos * -2.0f)))), 1.5f) * powf(sinf((uy * (2.0f * ((float) M_PI)))), 3.0f)));
}
function code(ux, uy, maxCos) return cbrt(Float32((Float32(ux * Float32(Float32(2.0) + fma(Float32(-ux), (Float32(Float32(-1.0) + maxCos) ^ Float32(2.0)), Float32(maxCos * Float32(-2.0))))) ^ Float32(1.5)) * (sin(Float32(uy * Float32(Float32(2.0) * Float32(pi)))) ^ Float32(3.0)))) end
\begin{array}{l}
\\
\sqrt[3]{{\left(ux \cdot \left(2 + \mathsf{fma}\left(-ux, {\left(-1 + maxCos\right)}^{2}, maxCos \cdot -2\right)\right)\right)}^{1.5} \cdot {\sin \left(uy \cdot \left(2 \cdot \pi\right)\right)}^{3}}
\end{array}
Initial program 55.6%
Taylor expanded in ux around 0 98.2%
associate--l+98.2%
associate-*r*98.2%
mul-1-neg98.2%
sub-neg98.2%
metadata-eval98.2%
+-commutative98.2%
Simplified98.2%
*-commutative98.2%
add-cbrt-cube98.2%
*-commutative98.2%
associate-*r*98.2%
add-cbrt-cube98.2%
cbrt-unprod98.1%
Applied egg-rr98.3%
*-commutative98.3%
Simplified98.3%
(FPCore (ux uy maxCos)
:precision binary32
(*
(sin (* PI (* 2.0 uy)))
(sqrt
(*
ux
(pow
(sqrt (+ 2.0 (fma (- ux) (pow (+ -1.0 maxCos) 2.0) (* maxCos -2.0))))
2.0)))))
float code(float ux, float uy, float maxCos) {
return sinf((((float) M_PI) * (2.0f * uy))) * sqrtf((ux * powf(sqrtf((2.0f + fmaf(-ux, powf((-1.0f + maxCos), 2.0f), (maxCos * -2.0f)))), 2.0f)));
}
function code(ux, uy, maxCos) return Float32(sin(Float32(Float32(pi) * Float32(Float32(2.0) * uy))) * sqrt(Float32(ux * (sqrt(Float32(Float32(2.0) + fma(Float32(-ux), (Float32(Float32(-1.0) + maxCos) ^ Float32(2.0)), Float32(maxCos * Float32(-2.0))))) ^ Float32(2.0))))) end
\begin{array}{l}
\\
\sin \left(\pi \cdot \left(2 \cdot uy\right)\right) \cdot \sqrt{ux \cdot {\left(\sqrt{2 + \mathsf{fma}\left(-ux, {\left(-1 + maxCos\right)}^{2}, maxCos \cdot -2\right)}\right)}^{2}}
\end{array}
Initial program 55.6%
Taylor expanded in ux around 0 98.2%
associate--l+98.2%
associate-*r*98.2%
mul-1-neg98.2%
sub-neg98.2%
metadata-eval98.2%
+-commutative98.2%
Simplified98.2%
add-sqr-sqrt98.3%
pow298.3%
cancel-sign-sub-inv98.3%
fma-define98.3%
metadata-eval98.3%
Applied egg-rr98.3%
Final simplification98.3%
(FPCore (ux uy maxCos) :precision binary32 (* (sin (* PI (* 2.0 uy))) (sqrt (* ux (- 2.0 (+ (* 2.0 maxCos) (* ux (pow (+ -1.0 maxCos) 2.0))))))))
float code(float ux, float uy, float maxCos) {
return sinf((((float) M_PI) * (2.0f * uy))) * sqrtf((ux * (2.0f - ((2.0f * maxCos) + (ux * powf((-1.0f + maxCos), 2.0f))))));
}
function code(ux, uy, maxCos) return Float32(sin(Float32(Float32(pi) * Float32(Float32(2.0) * uy))) * 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((single(pi) * (single(2.0) * uy))) * sqrt((ux * (single(2.0) - ((single(2.0) * maxCos) + (ux * ((single(-1.0) + maxCos) ^ single(2.0))))))); end
\begin{array}{l}
\\
\sin \left(\pi \cdot \left(2 \cdot uy\right)\right) \cdot \sqrt{ux \cdot \left(2 - \left(2 \cdot maxCos + ux \cdot {\left(-1 + maxCos\right)}^{2}\right)\right)}
\end{array}
Initial program 55.6%
Taylor expanded in ux around 0 98.2%
associate--l+98.2%
associate-*r*98.2%
mul-1-neg98.2%
sub-neg98.2%
metadata-eval98.2%
+-commutative98.2%
Simplified98.2%
Final simplification98.2%
(FPCore (ux uy maxCos) :precision binary32 (* (sin (* PI (* 2.0 uy))) (sqrt (* ux (+ 2.0 (- (* maxCos (- (- (* ux 2.0) (* ux maxCos)) 2.0)) ux))))))
float code(float ux, float uy, float maxCos) {
return sinf((((float) M_PI) * (2.0f * uy))) * sqrtf((ux * (2.0f + ((maxCos * (((ux * 2.0f) - (ux * maxCos)) - 2.0f)) - ux))));
}
function code(ux, uy, maxCos) return Float32(sin(Float32(Float32(pi) * Float32(Float32(2.0) * uy))) * sqrt(Float32(ux * Float32(Float32(2.0) + Float32(Float32(maxCos * Float32(Float32(Float32(ux * Float32(2.0)) - Float32(ux * maxCos)) - Float32(2.0))) - ux))))) end
function tmp = code(ux, uy, maxCos) tmp = sin((single(pi) * (single(2.0) * uy))) * sqrt((ux * (single(2.0) + ((maxCos * (((ux * single(2.0)) - (ux * maxCos)) - single(2.0))) - ux)))); end
\begin{array}{l}
\\
\sin \left(\pi \cdot \left(2 \cdot uy\right)\right) \cdot \sqrt{ux \cdot \left(2 + \left(maxCos \cdot \left(\left(ux \cdot 2 - ux \cdot maxCos\right) - 2\right) - ux\right)\right)}
\end{array}
Initial program 55.6%
Taylor expanded in ux around 0 98.2%
associate--l+98.2%
associate-*r*98.2%
mul-1-neg98.2%
sub-neg98.2%
metadata-eval98.2%
+-commutative98.2%
Simplified98.2%
Taylor expanded in maxCos around 0 98.2%
Final simplification98.2%
(FPCore (ux uy maxCos) :precision binary32 (* (sin (* 2.0 (* uy PI))) (sqrt (* ux (+ (- 2.0 ux) (* maxCos (+ -2.0 (* ux (- 2.0 maxCos)))))))))
float code(float ux, float uy, float maxCos) {
return sinf((2.0f * (uy * ((float) M_PI)))) * sqrtf((ux * ((2.0f - ux) + (maxCos * (-2.0f + (ux * (2.0f - maxCos)))))));
}
function code(ux, uy, maxCos) return Float32(sin(Float32(Float32(2.0) * Float32(uy * Float32(pi)))) * sqrt(Float32(ux * Float32(Float32(Float32(2.0) - ux) + Float32(maxCos * Float32(Float32(-2.0) + Float32(ux * Float32(Float32(2.0) - maxCos)))))))) end
function tmp = code(ux, uy, maxCos) tmp = sin((single(2.0) * (uy * single(pi)))) * sqrt((ux * ((single(2.0) - ux) + (maxCos * (single(-2.0) + (ux * (single(2.0) - maxCos))))))); end
\begin{array}{l}
\\
\sin \left(2 \cdot \left(uy \cdot \pi\right)\right) \cdot \sqrt{ux \cdot \left(\left(2 - ux\right) + maxCos \cdot \left(-2 + ux \cdot \left(2 - maxCos\right)\right)\right)}
\end{array}
Initial program 55.6%
Taylor expanded in ux around 0 98.2%
associate--l+98.2%
associate-*r*98.2%
mul-1-neg98.2%
sub-neg98.2%
metadata-eval98.2%
+-commutative98.2%
Simplified98.2%
Taylor expanded in maxCos around 0 98.2%
Taylor expanded in uy around inf 98.2%
*-commutative98.2%
neg-mul-198.2%
associate-+r+98.2%
sub-neg98.2%
sub-neg98.2%
neg-mul-198.2%
+-commutative98.2%
distribute-lft-neg-in98.2%
mul-1-neg98.2%
distribute-rgt-in98.2%
mul-1-neg98.2%
metadata-eval98.2%
Simplified98.2%
Final simplification98.2%
(FPCore (ux uy maxCos) :precision binary32 (* (sin (* PI (* 2.0 uy))) (sqrt (* ux (- 2.0 (+ ux (* maxCos (+ 2.0 (* ux -2.0)))))))))
float code(float ux, float uy, float maxCos) {
return sinf((((float) M_PI) * (2.0f * uy))) * sqrtf((ux * (2.0f - (ux + (maxCos * (2.0f + (ux * -2.0f)))))));
}
function code(ux, uy, maxCos) return Float32(sin(Float32(Float32(pi) * Float32(Float32(2.0) * uy))) * sqrt(Float32(ux * Float32(Float32(2.0) - Float32(ux + Float32(maxCos * Float32(Float32(2.0) + Float32(ux * Float32(-2.0))))))))) end
function tmp = code(ux, uy, maxCos) tmp = sin((single(pi) * (single(2.0) * uy))) * sqrt((ux * (single(2.0) - (ux + (maxCos * (single(2.0) + (ux * single(-2.0)))))))); end
\begin{array}{l}
\\
\sin \left(\pi \cdot \left(2 \cdot uy\right)\right) \cdot \sqrt{ux \cdot \left(2 - \left(ux + maxCos \cdot \left(2 + ux \cdot -2\right)\right)\right)}
\end{array}
Initial program 55.6%
Taylor expanded in ux around 0 98.2%
associate--l+98.2%
associate-*r*98.2%
mul-1-neg98.2%
sub-neg98.2%
metadata-eval98.2%
+-commutative98.2%
Simplified98.2%
Taylor expanded in maxCos around -inf 48.1%
mul-1-neg48.1%
unsub-neg48.1%
neg-mul-148.1%
mul-1-neg48.1%
unsub-neg48.1%
*-commutative48.1%
neg-mul-148.1%
unsub-neg48.1%
Simplified48.1%
Taylor expanded in maxCos around 0 97.5%
associate--l+97.5%
associate-*r*97.5%
mul-1-neg97.5%
*-commutative97.5%
Simplified97.5%
Final simplification97.5%
(FPCore (ux uy maxCos) :precision binary32 (* (sin (* PI (* 2.0 uy))) (sqrt (* ux (- (- 2.0 (* maxCos (+ 2.0 (* ux -2.0)))) ux)))))
float code(float ux, float uy, float maxCos) {
return sinf((((float) M_PI) * (2.0f * uy))) * sqrtf((ux * ((2.0f - (maxCos * (2.0f + (ux * -2.0f)))) - ux)));
}
function code(ux, uy, maxCos) return Float32(sin(Float32(Float32(pi) * Float32(Float32(2.0) * uy))) * sqrt(Float32(ux * Float32(Float32(Float32(2.0) - Float32(maxCos * Float32(Float32(2.0) + Float32(ux * Float32(-2.0))))) - ux)))) end
function tmp = code(ux, uy, maxCos) tmp = sin((single(pi) * (single(2.0) * uy))) * sqrt((ux * ((single(2.0) - (maxCos * (single(2.0) + (ux * single(-2.0))))) - ux))); end
\begin{array}{l}
\\
\sin \left(\pi \cdot \left(2 \cdot uy\right)\right) \cdot \sqrt{ux \cdot \left(\left(2 - maxCos \cdot \left(2 + ux \cdot -2\right)\right) - ux\right)}
\end{array}
Initial program 55.6%
Taylor expanded in ux around 0 98.2%
associate--l+98.2%
associate-*r*98.2%
mul-1-neg98.2%
sub-neg98.2%
metadata-eval98.2%
+-commutative98.2%
Simplified98.2%
Taylor expanded in maxCos around -inf 48.1%
mul-1-neg48.1%
unsub-neg48.1%
neg-mul-148.1%
mul-1-neg48.1%
unsub-neg48.1%
*-commutative48.1%
neg-mul-148.1%
unsub-neg48.1%
Simplified48.1%
Taylor expanded in maxCos around 0 97.5%
mul-1-neg97.5%
unsub-neg97.5%
*-commutative97.5%
Simplified97.5%
Final simplification97.5%
(FPCore (ux uy maxCos) :precision binary32 (* (sin (* PI (* 2.0 uy))) (sqrt (* ux (- 2.0 ux)))))
float code(float ux, float uy, float maxCos) {
return sinf((((float) M_PI) * (2.0f * uy))) * sqrtf((ux * (2.0f - ux)));
}
function code(ux, uy, maxCos) return Float32(sin(Float32(Float32(pi) * Float32(Float32(2.0) * uy))) * sqrt(Float32(ux * Float32(Float32(2.0) - ux)))) end
function tmp = code(ux, uy, maxCos) tmp = sin((single(pi) * (single(2.0) * uy))) * sqrt((ux * (single(2.0) - ux))); end
\begin{array}{l}
\\
\sin \left(\pi \cdot \left(2 \cdot uy\right)\right) \cdot \sqrt{ux \cdot \left(2 - ux\right)}
\end{array}
Initial program 55.6%
Taylor expanded in ux around 0 98.2%
associate--l+98.2%
associate-*r*98.2%
mul-1-neg98.2%
sub-neg98.2%
metadata-eval98.2%
+-commutative98.2%
Simplified98.2%
Taylor expanded in maxCos around 0 93.5%
neg-mul-193.5%
unsub-neg93.5%
Simplified93.5%
Final simplification93.5%
(FPCore (ux uy maxCos) :precision binary32 (* (sqrt (* ux (+ 2.0 (- (* maxCos (- (- (* ux 2.0) (* ux maxCos)) 2.0)) ux)))) (* 2.0 (* uy PI))))
float code(float ux, float uy, float maxCos) {
return sqrtf((ux * (2.0f + ((maxCos * (((ux * 2.0f) - (ux * maxCos)) - 2.0f)) - ux)))) * (2.0f * (uy * ((float) M_PI)));
}
function code(ux, uy, maxCos) return Float32(sqrt(Float32(ux * Float32(Float32(2.0) + Float32(Float32(maxCos * Float32(Float32(Float32(ux * Float32(2.0)) - Float32(ux * maxCos)) - Float32(2.0))) - ux)))) * Float32(Float32(2.0) * Float32(uy * Float32(pi)))) end
function tmp = code(ux, uy, maxCos) tmp = sqrt((ux * (single(2.0) + ((maxCos * (((ux * single(2.0)) - (ux * maxCos)) - single(2.0))) - ux)))) * (single(2.0) * (uy * single(pi))); end
\begin{array}{l}
\\
\sqrt{ux \cdot \left(2 + \left(maxCos \cdot \left(\left(ux \cdot 2 - ux \cdot maxCos\right) - 2\right) - ux\right)\right)} \cdot \left(2 \cdot \left(uy \cdot \pi\right)\right)
\end{array}
Initial program 55.6%
Taylor expanded in ux around 0 98.2%
associate--l+98.2%
associate-*r*98.2%
mul-1-neg98.2%
sub-neg98.2%
metadata-eval98.2%
+-commutative98.2%
Simplified98.2%
Taylor expanded in maxCos around 0 98.2%
Taylor expanded in uy around 0 81.7%
Final simplification81.7%
(FPCore (ux uy maxCos)
:precision binary32
(*
2.0
(*
(* uy PI)
(sqrt
(*
ux
(- (+ 2.0 (* maxCos -2.0)) (+ ux (* maxCos (* ux (+ maxCos -2.0))))))))))
float code(float ux, float uy, float maxCos) {
return 2.0f * ((uy * ((float) M_PI)) * sqrtf((ux * ((2.0f + (maxCos * -2.0f)) - (ux + (maxCos * (ux * (maxCos + -2.0f))))))));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * Float32(Float32(uy * Float32(pi)) * sqrt(Float32(ux * Float32(Float32(Float32(2.0) + Float32(maxCos * Float32(-2.0))) - Float32(ux + Float32(maxCos * Float32(ux * Float32(maxCos + Float32(-2.0)))))))))) end
function tmp = code(ux, uy, maxCos) tmp = single(2.0) * ((uy * single(pi)) * sqrt((ux * ((single(2.0) + (maxCos * single(-2.0))) - (ux + (maxCos * (ux * (maxCos + single(-2.0))))))))); end
\begin{array}{l}
\\
2 \cdot \left(\left(uy \cdot \pi\right) \cdot \sqrt{ux \cdot \left(\left(2 + maxCos \cdot -2\right) - \left(ux + maxCos \cdot \left(ux \cdot \left(maxCos + -2\right)\right)\right)\right)}\right)
\end{array}
Initial program 55.6%
Taylor expanded in ux around 0 98.2%
associate--l+98.2%
associate-*r*98.2%
mul-1-neg98.2%
sub-neg98.2%
metadata-eval98.2%
+-commutative98.2%
Simplified98.2%
*-commutative98.2%
add-cbrt-cube98.2%
*-commutative98.2%
associate-*r*98.2%
add-cbrt-cube98.2%
cbrt-unprod98.1%
Applied egg-rr98.3%
*-commutative98.3%
Simplified98.3%
Taylor expanded in uy around 0 81.7%
associate-+r+81.7%
mul-1-neg81.7%
unsub-neg81.7%
+-commutative81.7%
sub-neg81.7%
metadata-eval81.7%
+-commutative81.7%
+-commutative81.7%
Simplified81.7%
Taylor expanded in maxCos around 0 81.7%
+-commutative81.7%
*-commutative81.7%
*-commutative81.7%
distribute-lft-in81.7%
Simplified81.7%
Final simplification81.7%
(FPCore (ux uy maxCos) :precision binary32 (* 2.0 (* (* uy PI) (sqrt (* ux (+ (- 2.0 ux) (* maxCos (+ -2.0 (* ux (- 2.0 maxCos))))))))))
float code(float ux, float uy, float maxCos) {
return 2.0f * ((uy * ((float) M_PI)) * sqrtf((ux * ((2.0f - ux) + (maxCos * (-2.0f + (ux * (2.0f - maxCos))))))));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * Float32(Float32(uy * Float32(pi)) * sqrt(Float32(ux * Float32(Float32(Float32(2.0) - ux) + Float32(maxCos * Float32(Float32(-2.0) + Float32(ux * Float32(Float32(2.0) - maxCos))))))))) end
function tmp = code(ux, uy, maxCos) tmp = single(2.0) * ((uy * single(pi)) * sqrt((ux * ((single(2.0) - ux) + (maxCos * (single(-2.0) + (ux * (single(2.0) - maxCos)))))))); end
\begin{array}{l}
\\
2 \cdot \left(\left(uy \cdot \pi\right) \cdot \sqrt{ux \cdot \left(\left(2 - ux\right) + maxCos \cdot \left(-2 + ux \cdot \left(2 - maxCos\right)\right)\right)}\right)
\end{array}
Initial program 55.6%
Taylor expanded in ux around 0 98.2%
associate--l+98.2%
associate-*r*98.2%
mul-1-neg98.2%
sub-neg98.2%
metadata-eval98.2%
+-commutative98.2%
Simplified98.2%
Taylor expanded in maxCos around 0 98.2%
Taylor expanded in uy around 0 81.7%
*-commutative81.7%
neg-mul-181.7%
associate-+r+81.7%
sub-neg81.7%
sub-neg81.7%
Simplified81.7%
Final simplification81.7%
(FPCore (ux uy maxCos) :precision binary32 (* 2.0 (* (* uy PI) (sqrt (- (* ux (- 2.0 ux)) (* (* ux maxCos) (+ 2.0 (* ux -2.0))))))))
float code(float ux, float uy, float maxCos) {
return 2.0f * ((uy * ((float) M_PI)) * sqrtf(((ux * (2.0f - ux)) - ((ux * maxCos) * (2.0f + (ux * -2.0f))))));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * Float32(Float32(uy * Float32(pi)) * sqrt(Float32(Float32(ux * Float32(Float32(2.0) - ux)) - Float32(Float32(ux * maxCos) * Float32(Float32(2.0) + Float32(ux * Float32(-2.0)))))))) end
function tmp = code(ux, uy, maxCos) tmp = single(2.0) * ((uy * single(pi)) * sqrt(((ux * (single(2.0) - ux)) - ((ux * maxCos) * (single(2.0) + (ux * single(-2.0))))))); end
\begin{array}{l}
\\
2 \cdot \left(\left(uy \cdot \pi\right) \cdot \sqrt{ux \cdot \left(2 - ux\right) - \left(ux \cdot maxCos\right) \cdot \left(2 + ux \cdot -2\right)}\right)
\end{array}
Initial program 55.6%
Taylor expanded in ux around 0 98.2%
associate--l+98.2%
associate-*r*98.2%
mul-1-neg98.2%
sub-neg98.2%
metadata-eval98.2%
+-commutative98.2%
Simplified98.2%
*-commutative98.2%
add-cbrt-cube98.2%
*-commutative98.2%
associate-*r*98.2%
add-cbrt-cube98.2%
cbrt-unprod98.1%
Applied egg-rr98.3%
*-commutative98.3%
Simplified98.3%
Taylor expanded in uy around 0 81.7%
associate-+r+81.7%
mul-1-neg81.7%
unsub-neg81.7%
+-commutative81.7%
sub-neg81.7%
metadata-eval81.7%
+-commutative81.7%
+-commutative81.7%
Simplified81.7%
Taylor expanded in maxCos around 0 81.1%
+-commutative81.1%
mul-1-neg81.1%
unsub-neg81.1%
associate-*r*81.1%
*-commutative81.1%
*-commutative81.1%
Simplified81.1%
Final simplification81.1%
(FPCore (ux uy maxCos) :precision binary32 (* (* 2.0 (* uy PI)) (sqrt (* ux (+ 2.0 (- (* maxCos (- (* ux 2.0) 2.0)) ux))))))
float code(float ux, float uy, float maxCos) {
return (2.0f * (uy * ((float) M_PI))) * sqrtf((ux * (2.0f + ((maxCos * ((ux * 2.0f) - 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(ux * Float32(2.0)) - Float32(2.0))) - ux))))) end
function tmp = code(ux, uy, maxCos) tmp = (single(2.0) * (uy * single(pi))) * sqrt((ux * (single(2.0) + ((maxCos * ((ux * single(2.0)) - 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(ux \cdot 2 - 2\right) - ux\right)\right)}
\end{array}
Initial program 55.6%
Taylor expanded in ux around 0 98.2%
associate--l+98.2%
associate-*r*98.2%
mul-1-neg98.2%
sub-neg98.2%
metadata-eval98.2%
+-commutative98.2%
Simplified98.2%
Taylor expanded in maxCos around 0 97.5%
Taylor expanded in uy around 0 81.2%
Final simplification81.2%
(FPCore (ux uy maxCos) :precision binary32 (* 2.0 (* (* uy PI) (sqrt (* ux (- (+ 2.0 (* 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))));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * Float32(Float32(uy * Float32(pi)) * sqrt(Float32(ux * Float32(Float32(Float32(2.0) + Float32(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)))); end
\begin{array}{l}
\\
2 \cdot \left(\left(uy \cdot \pi\right) \cdot \sqrt{ux \cdot \left(\left(2 + maxCos \cdot -2\right) - ux\right)}\right)
\end{array}
Initial program 55.6%
Taylor expanded in ux around 0 98.2%
associate--l+98.2%
associate-*r*98.2%
mul-1-neg98.2%
sub-neg98.2%
metadata-eval98.2%
+-commutative98.2%
Simplified98.2%
*-commutative98.2%
add-cbrt-cube98.2%
*-commutative98.2%
associate-*r*98.2%
add-cbrt-cube98.2%
cbrt-unprod98.1%
Applied egg-rr98.3%
*-commutative98.3%
Simplified98.3%
Taylor expanded in uy around 0 81.7%
associate-+r+81.7%
mul-1-neg81.7%
unsub-neg81.7%
+-commutative81.7%
sub-neg81.7%
metadata-eval81.7%
+-commutative81.7%
+-commutative81.7%
Simplified81.7%
Taylor expanded in maxCos around 0 80.8%
Final simplification80.8%
(FPCore (ux uy maxCos) :precision binary32 (* 2.0 (* (* uy PI) (sqrt (* ux (- 2.0 ux))))))
float code(float ux, float uy, float maxCos) {
return 2.0f * ((uy * ((float) M_PI)) * sqrtf((ux * (2.0f - ux))));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * Float32(Float32(uy * Float32(pi)) * sqrt(Float32(ux * Float32(Float32(2.0) - ux))))) end
function tmp = code(ux, uy, maxCos) tmp = single(2.0) * ((uy * single(pi)) * sqrt((ux * (single(2.0) - ux)))); end
\begin{array}{l}
\\
2 \cdot \left(\left(uy \cdot \pi\right) \cdot \sqrt{ux \cdot \left(2 - ux\right)}\right)
\end{array}
Initial program 55.6%
Taylor expanded in ux around 0 98.2%
associate--l+98.2%
associate-*r*98.2%
mul-1-neg98.2%
sub-neg98.2%
metadata-eval98.2%
+-commutative98.2%
Simplified98.2%
*-commutative98.2%
add-cbrt-cube98.2%
*-commutative98.2%
associate-*r*98.2%
add-cbrt-cube98.2%
cbrt-unprod98.1%
Applied egg-rr98.3%
*-commutative98.3%
Simplified98.3%
Taylor expanded in uy around 0 81.7%
associate-+r+81.7%
mul-1-neg81.7%
unsub-neg81.7%
+-commutative81.7%
sub-neg81.7%
metadata-eval81.7%
+-commutative81.7%
+-commutative81.7%
Simplified81.7%
Taylor expanded in maxCos around 0 78.4%
*-commutative78.4%
Simplified78.4%
(FPCore (ux uy maxCos) :precision binary32 0.0)
float code(float ux, float uy, float maxCos) {
return 0.0f;
}
real(4) function code(ux, uy, maxcos)
real(4), intent (in) :: ux
real(4), intent (in) :: uy
real(4), intent (in) :: maxcos
code = 0.0e0
end function
function code(ux, uy, maxCos) return Float32(0.0) end
function tmp = code(ux, uy, maxCos) tmp = single(0.0); end
\begin{array}{l}
\\
0
\end{array}
Initial program 55.6%
associate-*l*55.6%
sub-neg55.6%
+-commutative55.6%
distribute-rgt-neg-in55.6%
fma-define55.9%
Simplified55.9%
Taylor expanded in uy around 0 49.6%
Simplified49.6%
Taylor expanded in ux around 0 7.1%
Taylor expanded in uy around 0 7.1%
herbie shell --seed 2024165
(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)))))))