
(FPCore (ux uy maxCos) :precision binary32 (let* ((t_0 (+ (- 1 ux) (* ux maxCos)))) (* (sin (* (* uy 2) PI)) (sqrt (- 1 (* 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}
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}
Herbie found 11 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (ux uy maxCos) :precision binary32 (let* ((t_0 (+ (- 1 ux) (* ux maxCos)))) (* (sin (* (* uy 2) PI)) (sqrt (- 1 (* 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}
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}
(FPCore (ux uy maxCos) :precision binary32 (* (sqrt (* (- (- (* (* (- 1 maxCos) (- maxCos 1)) ux) -2) (+ maxCos maxCos)) ux)) (sin (* PI (+ uy uy)))))
float code(float ux, float uy, float maxCos) {
return sqrtf(((((((1.0f - maxCos) * (maxCos - 1.0f)) * ux) - -2.0f) - (maxCos + maxCos)) * ux)) * sinf((((float) M_PI) * (uy + uy)));
}
function code(ux, uy, maxCos) return Float32(sqrt(Float32(Float32(Float32(Float32(Float32(Float32(Float32(1.0) - maxCos) * Float32(maxCos - Float32(1.0))) * ux) - Float32(-2.0)) - Float32(maxCos + maxCos)) * ux)) * sin(Float32(Float32(pi) * Float32(uy + uy)))) end
function tmp = code(ux, uy, maxCos) tmp = sqrt(((((((single(1.0) - maxCos) * (maxCos - single(1.0))) * ux) - single(-2.0)) - (maxCos + maxCos)) * ux)) * sin((single(pi) * (uy + uy))); end
\sqrt{\left(\left(\left(\left(1 - maxCos\right) \cdot \left(maxCos - 1\right)\right) \cdot ux - -2\right) - \left(maxCos + maxCos\right)\right) \cdot ux} \cdot \sin \left(\pi \cdot \left(uy + uy\right)\right)
Initial program 57.4%
Taylor expanded in ux around 0
lower-*.f32N/A
lower--.f32N/A
lower-+.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower--.f32N/A
lower-*.f3298.4%
Applied rewrites98.4%
lift-*.f32N/A
*-commutativeN/A
lower-*.f3298.4%
Applied rewrites98.4%
(FPCore (ux uy maxCos) :precision binary32 (* (sqrt (* (- 1 maxCos) (* ux (- (- (* maxCos ux) -2) ux)))) (sin (* PI (+ uy uy)))))
float code(float ux, float uy, float maxCos) {
return sqrtf(((1.0f - maxCos) * (ux * (((maxCos * ux) - -2.0f) - ux)))) * sinf((((float) M_PI) * (uy + uy)));
}
function code(ux, uy, maxCos) return Float32(sqrt(Float32(Float32(Float32(1.0) - maxCos) * Float32(ux * Float32(Float32(Float32(maxCos * ux) - Float32(-2.0)) - ux)))) * sin(Float32(Float32(pi) * Float32(uy + uy)))) end
function tmp = code(ux, uy, maxCos) tmp = sqrt(((single(1.0) - maxCos) * (ux * (((maxCos * ux) - single(-2.0)) - ux)))) * sin((single(pi) * (uy + uy))); end
\sqrt{\left(1 - maxCos\right) \cdot \left(ux \cdot \left(\left(maxCos \cdot ux - -2\right) - ux\right)\right)} \cdot \sin \left(\pi \cdot \left(uy + uy\right)\right)
Initial program 57.4%
lift--.f32N/A
lift-*.f32N/A
metadata-evalN/A
sqr-neg-revN/A
difference-of-squaresN/A
+-commutativeN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
sub-negateN/A
associate-+l-N/A
associate-+l-N/A
lift--.f32N/A
lift-+.f32N/A
lower-*.f32N/A
Applied rewrites98.3%
lift-*.f32N/A
*-commutativeN/A
lower-*.f3298.3%
Applied rewrites98.4%
lift--.f32N/A
lift-*.f32N/A
fp-cancel-sub-sign-invN/A
distribute-rgt1-inN/A
+-commutativeN/A
sub-flipN/A
lift--.f32N/A
lower-*.f3298.4%
Applied rewrites98.4%
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
associate-*l*N/A
lower-*.f32N/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
metadata-evalN/A
metadata-evalN/A
add-flip-revN/A
+-commutativeN/A
lift-+.f32N/A
lower-*.f3298.4%
lift-+.f32N/A
+-commutativeN/A
add-flip-revN/A
lower--.f32N/A
metadata-eval98.4%
Applied rewrites98.4%
(FPCore (ux uy maxCos) :precision binary32 (* (sqrt (* (- (+ 1 1) ux) (* (- 1 maxCos) ux))) (sin (* PI (+ uy uy)))))
float code(float ux, float uy, float maxCos) {
return sqrtf((((1.0f + 1.0f) - ux) * ((1.0f - maxCos) * ux))) * sinf((((float) M_PI) * (uy + uy)));
}
function code(ux, uy, maxCos) return Float32(sqrt(Float32(Float32(Float32(Float32(1.0) + Float32(1.0)) - ux) * Float32(Float32(Float32(1.0) - maxCos) * ux))) * sin(Float32(Float32(pi) * Float32(uy + uy)))) end
function tmp = code(ux, uy, maxCos) tmp = sqrt((((single(1.0) + single(1.0)) - ux) * ((single(1.0) - maxCos) * ux))) * sin((single(pi) * (uy + uy))); end
\sqrt{\left(\left(1 + 1\right) - ux\right) \cdot \left(\left(1 - maxCos\right) \cdot ux\right)} \cdot \sin \left(\pi \cdot \left(uy + uy\right)\right)
Initial program 57.4%
lift--.f32N/A
lift-*.f32N/A
metadata-evalN/A
sqr-neg-revN/A
difference-of-squaresN/A
+-commutativeN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
sub-negateN/A
associate-+l-N/A
associate-+l-N/A
lift--.f32N/A
lift-+.f32N/A
lower-*.f32N/A
Applied rewrites98.3%
lift-*.f32N/A
*-commutativeN/A
lower-*.f3298.3%
Applied rewrites98.4%
lift--.f32N/A
lift-*.f32N/A
fp-cancel-sub-sign-invN/A
distribute-rgt1-inN/A
+-commutativeN/A
sub-flipN/A
lift--.f32N/A
lower-*.f3298.4%
Applied rewrites98.4%
Taylor expanded in ux around 0
Applied rewrites97.1%
(FPCore (ux uy maxCos)
:precision binary32
(if (<= uy 2233383/4294967296)
(*
2
(*
uy
(*
PI
(sqrt
(*
(- ux (* maxCos ux))
(- (* ux (+ maxCos (* 2 (/ 1 ux)))) ux))))))
(* (sqrt (* ux (- 2 ux))) (sin (* PI (+ uy uy))))))float code(float ux, float uy, float maxCos) {
float tmp;
if (uy <= 0.0005200000014156103f) {
tmp = 2.0f * (uy * (((float) M_PI) * sqrtf(((ux - (maxCos * ux)) * ((ux * (maxCos + (2.0f * (1.0f / ux)))) - ux)))));
} else {
tmp = sqrtf((ux * (2.0f - ux))) * sinf((((float) M_PI) * (uy + uy)));
}
return tmp;
}
function code(ux, uy, maxCos) tmp = Float32(0.0) if (uy <= Float32(0.0005200000014156103)) tmp = Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * sqrt(Float32(Float32(ux - Float32(maxCos * ux)) * Float32(Float32(ux * Float32(maxCos + Float32(Float32(2.0) * Float32(Float32(1.0) / ux)))) - ux)))))); else tmp = Float32(sqrt(Float32(ux * Float32(Float32(2.0) - ux))) * sin(Float32(Float32(pi) * Float32(uy + uy)))); end return tmp end
function tmp_2 = code(ux, uy, maxCos) tmp = single(0.0); if (uy <= single(0.0005200000014156103)) tmp = single(2.0) * (uy * (single(pi) * sqrt(((ux - (maxCos * ux)) * ((ux * (maxCos + (single(2.0) * (single(1.0) / ux)))) - ux))))); else tmp = sqrt((ux * (single(2.0) - ux))) * sin((single(pi) * (uy + uy))); end tmp_2 = tmp; end
\begin{array}{l}
\mathbf{if}\;uy \leq \frac{2233383}{4294967296}:\\
\;\;\;\;2 \cdot \left(uy \cdot \left(\pi \cdot \sqrt{\left(ux - maxCos \cdot ux\right) \cdot \left(ux \cdot \left(maxCos + 2 \cdot \frac{1}{ux}\right) - ux\right)}\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\sqrt{ux \cdot \left(2 - ux\right)} \cdot \sin \left(\pi \cdot \left(uy + uy\right)\right)\\
\end{array}
if uy < 5.20000001e-4Initial program 57.4%
lift--.f32N/A
lift-*.f32N/A
metadata-evalN/A
sqr-neg-revN/A
difference-of-squaresN/A
+-commutativeN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
sub-negateN/A
associate-+l-N/A
associate-+l-N/A
lift--.f32N/A
lift-+.f32N/A
lower-*.f32N/A
Applied rewrites98.3%
Taylor expanded in uy around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-PI.f32N/A
lower-sqrt.f32N/A
lower-*.f32N/A
lower--.f32N/A
lower-*.f32N/A
lower--.f32N/A
lower-+.f32N/A
lower-*.f3281.5%
Applied rewrites81.5%
Taylor expanded in ux around inf
lower-*.f32N/A
lower-+.f32N/A
lower-*.f32N/A
lower-/.f3281.5%
Applied rewrites81.5%
if 5.20000001e-4 < uy Initial program 57.4%
lift--.f32N/A
lift-*.f32N/A
metadata-evalN/A
sqr-neg-revN/A
difference-of-squaresN/A
+-commutativeN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
sub-negateN/A
associate-+l-N/A
associate-+l-N/A
lift--.f32N/A
lift-+.f32N/A
lower-*.f32N/A
Applied rewrites98.3%
lift-*.f32N/A
*-commutativeN/A
lower-*.f3298.3%
Applied rewrites98.4%
lift--.f32N/A
lift-*.f32N/A
fp-cancel-sub-sign-invN/A
distribute-rgt1-inN/A
+-commutativeN/A
sub-flipN/A
lift--.f32N/A
lower-*.f3298.4%
Applied rewrites98.4%
Taylor expanded in maxCos around 0
lower-sqrt.f32N/A
lower-*.f32N/A
lower--.f3292.6%
Applied rewrites92.6%
(FPCore (ux uy maxCos)
:precision binary32
(if (<= uy 15375983/17179869184)
(*
2
(*
uy
(*
PI
(sqrt
(*
(- ux (* maxCos ux))
(- (* ux (+ maxCos (* 2 (/ 1 ux)))) ux))))))
(* (sin (* (* uy 2) PI)) (sqrt (* 2 ux)))))float code(float ux, float uy, float maxCos) {
float tmp;
if (uy <= 0.0008950000046752393f) {
tmp = 2.0f * (uy * (((float) M_PI) * sqrtf(((ux - (maxCos * ux)) * ((ux * (maxCos + (2.0f * (1.0f / ux)))) - 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 (uy <= Float32(0.0008950000046752393)) tmp = Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * sqrt(Float32(Float32(ux - Float32(maxCos * ux)) * Float32(Float32(ux * Float32(maxCos + Float32(Float32(2.0) * Float32(Float32(1.0) / ux)))) - ux)))))); else tmp = Float32(sin(Float32(Float32(uy * 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(0.0008950000046752393)) tmp = single(2.0) * (uy * (single(pi) * sqrt(((ux - (maxCos * ux)) * ((ux * (maxCos + (single(2.0) * (single(1.0) / ux)))) - ux))))); else tmp = sin(((uy * single(2.0)) * single(pi))) * sqrt((single(2.0) * ux)); end tmp_2 = tmp; end
\begin{array}{l}
\mathbf{if}\;uy \leq \frac{15375983}{17179869184}:\\
\;\;\;\;2 \cdot \left(uy \cdot \left(\pi \cdot \sqrt{\left(ux - maxCos \cdot ux\right) \cdot \left(ux \cdot \left(maxCos + 2 \cdot \frac{1}{ux}\right) - ux\right)}\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{2 \cdot ux}\\
\end{array}
if uy < 8.95000005e-4Initial program 57.4%
lift--.f32N/A
lift-*.f32N/A
metadata-evalN/A
sqr-neg-revN/A
difference-of-squaresN/A
+-commutativeN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
sub-negateN/A
associate-+l-N/A
associate-+l-N/A
lift--.f32N/A
lift-+.f32N/A
lower-*.f32N/A
Applied rewrites98.3%
Taylor expanded in uy around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-PI.f32N/A
lower-sqrt.f32N/A
lower-*.f32N/A
lower--.f32N/A
lower-*.f32N/A
lower--.f32N/A
lower-+.f32N/A
lower-*.f3281.5%
Applied rewrites81.5%
Taylor expanded in ux around inf
lower-*.f32N/A
lower-+.f32N/A
lower-*.f32N/A
lower-/.f3281.5%
Applied rewrites81.5%
if 8.95000005e-4 < uy Initial program 57.4%
Taylor expanded in ux around 0
lower-*.f32N/A
lower--.f32N/A
lower-*.f3276.5%
Applied rewrites76.5%
Taylor expanded in maxCos around 0
lower-*.f3273.1%
Applied rewrites73.1%
(FPCore (ux uy maxCos)
:precision binary32
(*
2
(*
uy
(*
PI
(sqrt
(*
(- ux (* maxCos ux))
(- (* ux (+ maxCos (* 2 (/ 1 ux)))) ux)))))))float code(float ux, float uy, float maxCos) {
return 2.0f * (uy * (((float) M_PI) * sqrtf(((ux - (maxCos * ux)) * ((ux * (maxCos + (2.0f * (1.0f / ux)))) - ux)))));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * sqrt(Float32(Float32(ux - Float32(maxCos * ux)) * Float32(Float32(ux * Float32(maxCos + Float32(Float32(2.0) * Float32(Float32(1.0) / ux)))) - ux)))))) end
function tmp = code(ux, uy, maxCos) tmp = single(2.0) * (uy * (single(pi) * sqrt(((ux - (maxCos * ux)) * ((ux * (maxCos + (single(2.0) * (single(1.0) / ux)))) - ux))))); end
2 \cdot \left(uy \cdot \left(\pi \cdot \sqrt{\left(ux - maxCos \cdot ux\right) \cdot \left(ux \cdot \left(maxCos + 2 \cdot \frac{1}{ux}\right) - ux\right)}\right)\right)
Initial program 57.4%
lift--.f32N/A
lift-*.f32N/A
metadata-evalN/A
sqr-neg-revN/A
difference-of-squaresN/A
+-commutativeN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
sub-negateN/A
associate-+l-N/A
associate-+l-N/A
lift--.f32N/A
lift-+.f32N/A
lower-*.f32N/A
Applied rewrites98.3%
Taylor expanded in uy around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-PI.f32N/A
lower-sqrt.f32N/A
lower-*.f32N/A
lower--.f32N/A
lower-*.f32N/A
lower--.f32N/A
lower-+.f32N/A
lower-*.f3281.5%
Applied rewrites81.5%
Taylor expanded in ux around inf
lower-*.f32N/A
lower-+.f32N/A
lower-*.f32N/A
lower-/.f3281.5%
Applied rewrites81.5%
(FPCore (ux uy maxCos) :precision binary32 (* (* PI (+ uy uy)) (sqrt (* (- (- (* maxCos ux) -2) ux) (- ux (* maxCos ux))))))
float code(float ux, float uy, float maxCos) {
return (((float) M_PI) * (uy + uy)) * sqrtf(((((maxCos * ux) - -2.0f) - ux) * (ux - (maxCos * ux))));
}
function code(ux, uy, maxCos) return Float32(Float32(Float32(pi) * Float32(uy + uy)) * sqrt(Float32(Float32(Float32(Float32(maxCos * ux) - Float32(-2.0)) - ux) * Float32(ux - Float32(maxCos * ux))))) end
function tmp = code(ux, uy, maxCos) tmp = (single(pi) * (uy + uy)) * sqrt(((((maxCos * ux) - single(-2.0)) - ux) * (ux - (maxCos * ux)))); end
\left(\pi \cdot \left(uy + uy\right)\right) \cdot \sqrt{\left(\left(maxCos \cdot ux - -2\right) - ux\right) \cdot \left(ux - maxCos \cdot ux\right)}
Initial program 57.4%
lift--.f32N/A
lift-*.f32N/A
metadata-evalN/A
sqr-neg-revN/A
difference-of-squaresN/A
+-commutativeN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
sub-negateN/A
associate-+l-N/A
associate-+l-N/A
lift--.f32N/A
lift-+.f32N/A
lower-*.f32N/A
Applied rewrites98.3%
Taylor expanded in uy around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-PI.f32N/A
lower-sqrt.f32N/A
lower-*.f32N/A
lower--.f32N/A
lower-*.f32N/A
lower--.f32N/A
lower-+.f32N/A
lower-*.f3281.5%
Applied rewrites81.5%
lift-*.f32N/A
lift-*.f32N/A
associate-*r*N/A
*-commutativeN/A
lift-*.f32N/A
lift-*.f32N/A
associate-*r*N/A
lift-*.f32N/A
lower-*.f3281.5%
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
count-2N/A
lift-+.f32N/A
lift-*.f3281.5%
Applied rewrites81.5%
(FPCore (ux uy maxCos) :precision binary32 (* 2 (* uy (* PI (sqrt (* (- ux (* maxCos ux)) (- 2 ux)))))))
float code(float ux, float uy, float maxCos) {
return 2.0f * (uy * (((float) M_PI) * sqrtf(((ux - (maxCos * ux)) * (2.0f - ux)))));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * sqrt(Float32(Float32(ux - Float32(maxCos * ux)) * Float32(Float32(2.0) - ux)))))) end
function tmp = code(ux, uy, maxCos) tmp = single(2.0) * (uy * (single(pi) * sqrt(((ux - (maxCos * ux)) * (single(2.0) - ux))))); end
2 \cdot \left(uy \cdot \left(\pi \cdot \sqrt{\left(ux - maxCos \cdot ux\right) \cdot \left(2 - ux\right)}\right)\right)
Initial program 57.4%
lift--.f32N/A
lift-*.f32N/A
metadata-evalN/A
sqr-neg-revN/A
difference-of-squaresN/A
+-commutativeN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
sub-negateN/A
associate-+l-N/A
associate-+l-N/A
lift--.f32N/A
lift-+.f32N/A
lower-*.f32N/A
Applied rewrites98.3%
Taylor expanded in uy around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-PI.f32N/A
lower-sqrt.f32N/A
lower-*.f32N/A
lower--.f32N/A
lower-*.f32N/A
lower--.f32N/A
lower-+.f32N/A
lower-*.f3281.5%
Applied rewrites81.5%
Taylor expanded in ux around 0
Applied rewrites80.7%
(FPCore (ux uy maxCos) :precision binary32 (* (* (+ PI PI) uy) (sqrt (* (- 2 ux) ux))))
float code(float ux, float uy, float maxCos) {
return ((((float) M_PI) + ((float) M_PI)) * uy) * sqrtf(((2.0f - ux) * ux));
}
function code(ux, uy, maxCos) return Float32(Float32(Float32(Float32(pi) + Float32(pi)) * uy) * sqrt(Float32(Float32(Float32(2.0) - ux) * ux))) end
function tmp = code(ux, uy, maxCos) tmp = ((single(pi) + single(pi)) * uy) * sqrt(((single(2.0) - ux) * ux)); end
\left(\left(\pi + \pi\right) \cdot uy\right) \cdot \sqrt{\left(2 - ux\right) \cdot ux}
Initial program 57.4%
lift--.f32N/A
lift-*.f32N/A
metadata-evalN/A
sqr-neg-revN/A
difference-of-squaresN/A
+-commutativeN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
sub-negateN/A
associate-+l-N/A
associate-+l-N/A
lift--.f32N/A
lift-+.f32N/A
lower-*.f32N/A
Applied rewrites98.3%
Taylor expanded in uy around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-PI.f32N/A
lower-sqrt.f32N/A
lower-*.f32N/A
lower--.f32N/A
lower-*.f32N/A
lower--.f32N/A
lower-+.f32N/A
lower-*.f3281.5%
Applied rewrites81.5%
Taylor expanded in maxCos around 0
lower-*.f32N/A
lower--.f3277.4%
Applied rewrites77.4%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
associate-*r*N/A
associate-*r*N/A
associate-*l*N/A
*-commutativeN/A
lift-*.f32N/A
lift-*.f32N/A
lower-*.f3277.4%
Applied rewrites77.4%
(FPCore (ux uy maxCos) :precision binary32 (* (* (+ uy uy) (sqrt (* (- 2 ux) ux))) PI))
float code(float ux, float uy, float maxCos) {
return ((uy + uy) * sqrtf(((2.0f - ux) * ux))) * ((float) M_PI);
}
function code(ux, uy, maxCos) return Float32(Float32(Float32(uy + uy) * sqrt(Float32(Float32(Float32(2.0) - ux) * ux))) * Float32(pi)) end
function tmp = code(ux, uy, maxCos) tmp = ((uy + uy) * sqrt(((single(2.0) - ux) * ux))) * single(pi); end
\left(\left(uy + uy\right) \cdot \sqrt{\left(2 - ux\right) \cdot ux}\right) \cdot \pi
Initial program 57.4%
lift--.f32N/A
lift-*.f32N/A
metadata-evalN/A
sqr-neg-revN/A
difference-of-squaresN/A
+-commutativeN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
sub-negateN/A
associate-+l-N/A
associate-+l-N/A
lift--.f32N/A
lift-+.f32N/A
lower-*.f32N/A
Applied rewrites98.3%
Taylor expanded in uy around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-PI.f32N/A
lower-sqrt.f32N/A
lower-*.f32N/A
lower--.f32N/A
lower-*.f32N/A
lower--.f32N/A
lower-+.f32N/A
lower-*.f3281.5%
Applied rewrites81.5%
Taylor expanded in maxCos around 0
lower-*.f32N/A
lower--.f3277.4%
Applied rewrites77.4%
lift-*.f32N/A
lift-*.f32N/A
associate-*r*N/A
count-2N/A
lift-+.f32N/A
lift-*.f32N/A
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
Applied rewrites77.4%
(FPCore (ux uy maxCos) :precision binary32 (* 2 (* uy (* PI (sqrt (* 2 ux))))))
float code(float ux, float uy, float maxCos) {
return 2.0f * (uy * (((float) M_PI) * sqrtf((2.0f * ux))));
}
function code(ux, uy, maxCos) return Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * sqrt(Float32(Float32(2.0) * ux))))) end
function tmp = code(ux, uy, maxCos) tmp = single(2.0) * (uy * (single(pi) * sqrt((single(2.0) * ux)))); end
2 \cdot \left(uy \cdot \left(\pi \cdot \sqrt{2 \cdot ux}\right)\right)
Initial program 57.4%
lift--.f32N/A
lift-*.f32N/A
metadata-evalN/A
sqr-neg-revN/A
difference-of-squaresN/A
+-commutativeN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
sub-negateN/A
associate-+l-N/A
associate-+l-N/A
lift--.f32N/A
lift-+.f32N/A
lower-*.f32N/A
Applied rewrites98.3%
Taylor expanded in uy around 0
lower-*.f32N/A
lower-*.f32N/A
lower-*.f32N/A
lower-PI.f32N/A
lower-sqrt.f32N/A
lower-*.f32N/A
lower--.f32N/A
lower-*.f32N/A
lower--.f32N/A
lower-+.f32N/A
lower-*.f3281.5%
Applied rewrites81.5%
Taylor expanded in maxCos around 0
lower-*.f32N/A
lower--.f3277.4%
Applied rewrites77.4%
Taylor expanded in ux around 0
lower-*.f3263.4%
Applied rewrites63.4%
herbie shell --seed 2025285 -o generate:evaluate
(FPCore (ux uy maxCos)
:name "UniformSampleCone, y"
:precision binary32
:pre (and (and (and (<= 2328306437/10000000000000000000 ux) (<= ux 1)) (and (<= 2328306437/10000000000000000000 uy) (<= uy 1))) (and (<= 0 maxCos) (<= maxCos 1)))
(* (sin (* (* uy 2) PI)) (sqrt (- 1 (* (+ (- 1 ux) (* ux maxCos)) (+ (- 1 ux) (* ux maxCos)))))))