
(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))))))
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - ux\right) + ux \cdot maxCos\\
\sin \left(\left(uy \cdot 2\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \sqrt{1 - t\_0 \cdot t\_0}
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 19 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))))))
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - ux\right) + ux \cdot maxCos\\
\sin \left(\left(uy \cdot 2\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \sqrt{1 - t\_0 \cdot t\_0}
\end{array}
\end{array}
(FPCore (ux uy maxCos)
:precision binary32
(let* ((t_0 (* (PI) uy)))
(*
(* 2.0 (* (sin t_0) (cos t_0)))
(sqrt
(*
(- (* (/ (- 1.0 maxCos) ux) 2.0) (pow (- 1.0 maxCos) 2.0))
(* ux ux))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \mathsf{PI}\left(\right) \cdot uy\\
\left(2 \cdot \left(\sin t\_0 \cdot \cos t\_0\right)\right) \cdot \sqrt{\left(\frac{1 - maxCos}{ux} \cdot 2 - {\left(1 - maxCos\right)}^{2}\right) \cdot \left(ux \cdot ux\right)}
\end{array}
\end{array}
Initial program 61.0%
lift-*.f32N/A
sqr-abs-revN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
sqr-absN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f32N/A
lift-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f3261.1
lift-*.f32N/A
*-commutativeN/A
lower-*.f3261.1
Applied rewrites61.1%
Taylor expanded in maxCos around 0
lower--.f3259.3
Applied rewrites59.3%
lift-sin.f32N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
associate-*l*N/A
lift-*.f32N/A
*-commutativeN/A
sin-2N/A
lower-*.f32N/A
lower-*.f32N/A
lower-sin.f32N/A
lower-cos.f3259.3
Applied rewrites59.3%
Taylor expanded in ux around inf
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-/.f32N/A
lower--.f32N/A
lower-pow.f32N/A
lower--.f32N/A
unpow2N/A
lower-*.f3298.2
Applied rewrites98.2%
(FPCore (ux uy maxCos)
:precision binary32
(*
(sin (* (* (PI) uy) 2.0))
(sqrt
(*
(- (/ 2.0 ux) (fma (/ maxCos ux) 2.0 (* (- maxCos 1.0) (- maxCos 1.0))))
(* ux ux)))))\begin{array}{l}
\\
\sin \left(\left(\mathsf{PI}\left(\right) \cdot uy\right) \cdot 2\right) \cdot \sqrt{\left(\frac{2}{ux} - \mathsf{fma}\left(\frac{maxCos}{ux}, 2, \left(maxCos - 1\right) \cdot \left(maxCos - 1\right)\right)\right) \cdot \left(ux \cdot ux\right)}
\end{array}
Initial program 61.0%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3252.7
Applied rewrites52.7%
lift-*.f32N/A
lift-+.f32N/A
distribute-rgt-inN/A
+-commutativeN/A
lift-*.f32N/A
associate-*l*N/A
lower-fma.f32N/A
lower-*.f32N/A
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lift-fma.f32N/A
*-commutativeN/A
lower-*.f3251.6
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lift-fma.f3251.4
Applied rewrites50.8%
Taylor expanded in ux around inf
*-commutativeN/A
lower-*.f32N/A
Applied rewrites77.8%
Taylor expanded in uy around inf
count-2-revN/A
distribute-lft-inN/A
count-2-revN/A
lower-sin.f32N/A
count-2-revN/A
distribute-lft-inN/A
count-2-revN/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3269.7
Applied rewrites69.9%
Final simplification69.2%
(FPCore (ux uy maxCos)
:precision binary32
(if (<= ux 0.00011800000356743112)
(*
(sqrt (- 1.0 maxCos))
(* (sqrt ux) (* (sqrt 2.0) (sin (* (* 2.0 uy) (PI))))))
(*
(sin (* (* uy 2.0) (PI)))
(sqrt
(-
1.0
(*
(+ (- 1.0 ux) (* ux maxCos))
(* (- (+ (/ 1.0 ux) maxCos) 1.0) ux)))))))\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;ux \leq 0.00011800000356743112:\\
\;\;\;\;\sqrt{1 - maxCos} \cdot \left(\sqrt{ux} \cdot \left(\sqrt{2} \cdot \sin \left(\left(2 \cdot uy\right) \cdot \mathsf{PI}\left(\right)\right)\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\sin \left(\left(uy \cdot 2\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \sqrt{1 - \left(\left(1 - ux\right) + ux \cdot maxCos\right) \cdot \left(\left(\left(\frac{1}{ux} + maxCos\right) - 1\right) \cdot ux\right)}\\
\end{array}
\end{array}
if ux < 1.18000004e-4Initial program 39.0%
lift-*.f32N/A
sqr-abs-revN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
sqr-absN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f32N/A
lift-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f3239.0
lift-*.f32N/A
*-commutativeN/A
lower-*.f3239.0
Applied rewrites39.0%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-sqrt.f32N/A
lower-sin.f32N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
lower-sqrt.f32N/A
*-commutativeN/A
*-lft-identityN/A
metadata-evalN/A
fp-cancel-sign-sub-invN/A
lower-*.f32N/A
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
lower--.f3291.4
Applied rewrites91.4%
Applied rewrites91.4%
if 1.18000004e-4 < ux Initial program 89.3%
Taylor expanded in ux around inf
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
+-commutativeN/A
lower-+.f32N/A
lower-/.f3289.6
Applied rewrites89.6%
Final simplification90.6%
(FPCore (ux uy maxCos)
:precision binary32
(if (<= ux 0.00011999999696854502)
(*
(sqrt (- 1.0 maxCos))
(* (sqrt ux) (* (sqrt 2.0) (sin (* (* 2.0 uy) (PI))))))
(*
(sin (* (* uy 2.0) (PI)))
(sqrt
(- 1.0 (* (- 1.0 (- ux (* maxCos ux))) (+ (- 1.0 ux) (* ux maxCos))))))))\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;ux \leq 0.00011999999696854502:\\
\;\;\;\;\sqrt{1 - maxCos} \cdot \left(\sqrt{ux} \cdot \left(\sqrt{2} \cdot \sin \left(\left(2 \cdot uy\right) \cdot \mathsf{PI}\left(\right)\right)\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\sin \left(\left(uy \cdot 2\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \sqrt{1 - \left(1 - \left(ux - maxCos \cdot ux\right)\right) \cdot \left(\left(1 - ux\right) + ux \cdot maxCos\right)}\\
\end{array}
\end{array}
if ux < 1.19999997e-4Initial program 39.2%
lift-*.f32N/A
sqr-abs-revN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
sqr-absN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f32N/A
lift-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f3239.2
lift-*.f32N/A
*-commutativeN/A
lower-*.f3239.2
Applied rewrites39.2%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-sqrt.f32N/A
lower-sin.f32N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
lower-sqrt.f32N/A
*-commutativeN/A
*-lft-identityN/A
metadata-evalN/A
fp-cancel-sign-sub-invN/A
lower-*.f32N/A
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
lower--.f3291.2
Applied rewrites91.2%
Applied rewrites91.3%
if 1.19999997e-4 < ux Initial program 89.5%
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
lower--.f32N/A
lower--.f3289.7
lift-*.f32N/A
*-commutativeN/A
lower-*.f3289.7
Applied rewrites89.7%
Final simplification90.6%
(FPCore (ux uy maxCos)
:precision binary32
(if (<= ux 0.00011999999696854502)
(* (* (sqrt (* (- 1.0 maxCos) ux)) (sin (* (* 2.0 uy) (PI)))) (sqrt 2.0))
(*
(sin (* (* uy 2.0) (PI)))
(sqrt
(- 1.0 (* (- 1.0 (- ux (* maxCos ux))) (+ (- 1.0 ux) (* ux maxCos))))))))\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;ux \leq 0.00011999999696854502:\\
\;\;\;\;\left(\sqrt{\left(1 - maxCos\right) \cdot ux} \cdot \sin \left(\left(2 \cdot uy\right) \cdot \mathsf{PI}\left(\right)\right)\right) \cdot \sqrt{2}\\
\mathbf{else}:\\
\;\;\;\;\sin \left(\left(uy \cdot 2\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \sqrt{1 - \left(1 - \left(ux - maxCos \cdot ux\right)\right) \cdot \left(\left(1 - ux\right) + ux \cdot maxCos\right)}\\
\end{array}
\end{array}
if ux < 1.19999997e-4Initial program 39.2%
lift-*.f32N/A
sqr-abs-revN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
sqr-absN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f32N/A
lift-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f3239.2
lift-*.f32N/A
*-commutativeN/A
lower-*.f3239.2
Applied rewrites39.2%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-sqrt.f32N/A
lower-sin.f32N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
lower-sqrt.f32N/A
*-commutativeN/A
*-lft-identityN/A
metadata-evalN/A
fp-cancel-sign-sub-invN/A
lower-*.f32N/A
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
lower--.f3291.2
Applied rewrites91.2%
Applied rewrites91.3%
if 1.19999997e-4 < ux Initial program 89.5%
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
lower--.f32N/A
lower--.f3289.7
lift-*.f32N/A
*-commutativeN/A
lower-*.f3289.7
Applied rewrites89.7%
Final simplification90.6%
(FPCore (ux uy maxCos)
:precision binary32
(let* ((t_0 (- (- ux (* maxCos ux)) 1.0)))
(if (<= ux 0.00011999999696854502)
(* (* (sqrt (* (- 1.0 maxCos) ux)) (sin (* (* 2.0 uy) (PI)))) (sqrt 2.0))
(* (sin (* (+ uy uy) (PI))) (sqrt (- 1.0 (* t_0 t_0)))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(ux - maxCos \cdot ux\right) - 1\\
\mathbf{if}\;ux \leq 0.00011999999696854502:\\
\;\;\;\;\left(\sqrt{\left(1 - maxCos\right) \cdot ux} \cdot \sin \left(\left(2 \cdot uy\right) \cdot \mathsf{PI}\left(\right)\right)\right) \cdot \sqrt{2}\\
\mathbf{else}:\\
\;\;\;\;\sin \left(\left(uy + uy\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \sqrt{1 - t\_0 \cdot t\_0}\\
\end{array}
\end{array}
if ux < 1.19999997e-4Initial program 39.2%
lift-*.f32N/A
sqr-abs-revN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
sqr-absN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f32N/A
lift-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f3239.2
lift-*.f32N/A
*-commutativeN/A
lower-*.f3239.2
Applied rewrites39.2%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-sqrt.f32N/A
lower-sin.f32N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
lower-sqrt.f32N/A
*-commutativeN/A
*-lft-identityN/A
metadata-evalN/A
fp-cancel-sign-sub-invN/A
lower-*.f32N/A
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
lower--.f3291.2
Applied rewrites91.2%
Applied rewrites91.3%
if 1.19999997e-4 < ux Initial program 89.5%
lift-*.f32N/A
sqr-abs-revN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
sqr-absN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f32N/A
lift-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f3289.7
lift-*.f32N/A
*-commutativeN/A
lower-*.f3289.7
Applied rewrites89.7%
lift-*.f32N/A
*-commutativeN/A
count-2-revN/A
lower-+.f3289.7
Applied rewrites89.7%
Final simplification90.6%
(FPCore (ux uy maxCos)
:precision binary32
(if (<= (* uy 2.0) 0.006000000052154064)
(*
(* (* (PI) 2.0) uy)
(sqrt
(*
(-
(/ 2.0 ux)
(- (* (+ -1.0 maxCos) (- maxCos 1.0)) (* -2.0 (/ maxCos ux))))
(* ux ux))))
(* (* (sqrt 2.0) (sin (* (* (PI) uy) 2.0))) (sqrt (- ux (* maxCos ux))))))\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;uy \cdot 2 \leq 0.006000000052154064:\\
\;\;\;\;\left(\left(\mathsf{PI}\left(\right) \cdot 2\right) \cdot uy\right) \cdot \sqrt{\left(\frac{2}{ux} - \left(\left(-1 + maxCos\right) \cdot \left(maxCos - 1\right) - -2 \cdot \frac{maxCos}{ux}\right)\right) \cdot \left(ux \cdot ux\right)}\\
\mathbf{else}:\\
\;\;\;\;\left(\sqrt{2} \cdot \sin \left(\left(\mathsf{PI}\left(\right) \cdot uy\right) \cdot 2\right)\right) \cdot \sqrt{ux - maxCos \cdot ux}\\
\end{array}
\end{array}
if (*.f32 uy #s(literal 2 binary32)) < 0.00600000005Initial program 60.4%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3259.3
Applied rewrites59.3%
lift-*.f32N/A
lift-+.f32N/A
distribute-rgt-inN/A
+-commutativeN/A
lift-*.f32N/A
associate-*l*N/A
lower-fma.f32N/A
lower-*.f32N/A
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lift-fma.f32N/A
*-commutativeN/A
lower-*.f3258.0
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lift-fma.f3257.8
Applied rewrites57.4%
Taylor expanded in ux around inf
*-commutativeN/A
lower-*.f32N/A
Applied rewrites91.1%
Applied rewrites95.4%
if 0.00600000005 < (*.f32 uy #s(literal 2 binary32)) Initial program 63.0%
lift-*.f32N/A
sqr-abs-revN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
sqr-absN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f32N/A
lift-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f3263.2
lift-*.f32N/A
*-commutativeN/A
lower-*.f3263.2
Applied rewrites63.2%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-sqrt.f32N/A
lower-sin.f32N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
lower-sqrt.f32N/A
*-commutativeN/A
*-lft-identityN/A
metadata-evalN/A
fp-cancel-sign-sub-invN/A
lower-*.f32N/A
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
lower--.f3274.0
Applied rewrites74.0%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-sqrt.f32N/A
lower-sin.f32N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
lower-sqrt.f32N/A
*-lft-identityN/A
metadata-evalN/A
fp-cancel-sign-sub-invN/A
distribute-rgt-inN/A
*-lft-identityN/A
mul-1-negN/A
fp-cancel-sub-signN/A
lower--.f32N/A
lower-*.f3274.0
Applied rewrites74.0%
Final simplification89.9%
(FPCore (ux uy maxCos)
:precision binary32
(if (<= (* uy 2.0) 0.006000000052154064)
(*
(* (* (PI) 2.0) uy)
(sqrt
(*
(-
(/ 2.0 ux)
(- (* (+ -1.0 maxCos) (- maxCos 1.0)) (* -2.0 (/ maxCos ux))))
(* ux ux))))
(* (* (sqrt 2.0) (sin (* (* (PI) uy) 2.0))) (sqrt (* (- 1.0 maxCos) ux)))))\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;uy \cdot 2 \leq 0.006000000052154064:\\
\;\;\;\;\left(\left(\mathsf{PI}\left(\right) \cdot 2\right) \cdot uy\right) \cdot \sqrt{\left(\frac{2}{ux} - \left(\left(-1 + maxCos\right) \cdot \left(maxCos - 1\right) - -2 \cdot \frac{maxCos}{ux}\right)\right) \cdot \left(ux \cdot ux\right)}\\
\mathbf{else}:\\
\;\;\;\;\left(\sqrt{2} \cdot \sin \left(\left(\mathsf{PI}\left(\right) \cdot uy\right) \cdot 2\right)\right) \cdot \sqrt{\left(1 - maxCos\right) \cdot ux}\\
\end{array}
\end{array}
if (*.f32 uy #s(literal 2 binary32)) < 0.00600000005Initial program 60.4%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3259.3
Applied rewrites59.3%
lift-*.f32N/A
lift-+.f32N/A
distribute-rgt-inN/A
+-commutativeN/A
lift-*.f32N/A
associate-*l*N/A
lower-fma.f32N/A
lower-*.f32N/A
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lift-fma.f32N/A
*-commutativeN/A
lower-*.f3258.0
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lift-fma.f3257.8
Applied rewrites56.6%
Taylor expanded in ux around inf
*-commutativeN/A
lower-*.f32N/A
Applied rewrites91.1%
Applied rewrites95.4%
if 0.00600000005 < (*.f32 uy #s(literal 2 binary32)) Initial program 63.0%
lift-*.f32N/A
sqr-abs-revN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
sqr-absN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f32N/A
lift-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f3263.2
lift-*.f32N/A
*-commutativeN/A
lower-*.f3263.2
Applied rewrites63.2%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-sqrt.f32N/A
lower-sin.f32N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
lower-sqrt.f32N/A
*-commutativeN/A
*-lft-identityN/A
metadata-evalN/A
fp-cancel-sign-sub-invN/A
lower-*.f32N/A
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
lower--.f3274.0
Applied rewrites74.0%
Final simplification89.9%
(FPCore (ux uy maxCos)
:precision binary32
(if (<= (* uy 2.0) 0.006000000052154064)
(*
(* (* (PI) 2.0) uy)
(sqrt
(*
(-
(/ 2.0 ux)
(- (* (+ -1.0 maxCos) (- maxCos 1.0)) (* -2.0 (/ maxCos ux))))
(* ux ux))))
(* (sin (* (* uy 2.0) (PI))) (sqrt (* ux (* 2.0 (- 1.0 maxCos)))))))\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;uy \cdot 2 \leq 0.006000000052154064:\\
\;\;\;\;\left(\left(\mathsf{PI}\left(\right) \cdot 2\right) \cdot uy\right) \cdot \sqrt{\left(\frac{2}{ux} - \left(\left(-1 + maxCos\right) \cdot \left(maxCos - 1\right) - -2 \cdot \frac{maxCos}{ux}\right)\right) \cdot \left(ux \cdot ux\right)}\\
\mathbf{else}:\\
\;\;\;\;\sin \left(\left(uy \cdot 2\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \sqrt{ux \cdot \left(2 \cdot \left(1 - maxCos\right)\right)}\\
\end{array}
\end{array}
if (*.f32 uy #s(literal 2 binary32)) < 0.00600000005Initial program 60.4%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3259.3
Applied rewrites59.3%
lift-*.f32N/A
lift-+.f32N/A
distribute-rgt-inN/A
+-commutativeN/A
lift-*.f32N/A
associate-*l*N/A
lower-fma.f32N/A
lower-*.f32N/A
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lift-fma.f32N/A
*-commutativeN/A
lower-*.f3258.0
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lift-fma.f3257.8
Applied rewrites57.8%
Taylor expanded in ux around inf
*-commutativeN/A
lower-*.f32N/A
Applied rewrites91.1%
Applied rewrites95.4%
if 0.00600000005 < (*.f32 uy #s(literal 2 binary32)) Initial program 63.0%
lift-*.f32N/A
sqr-abs-revN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
sqr-absN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f32N/A
lift-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f3263.2
lift-*.f32N/A
*-commutativeN/A
lower-*.f3263.2
Applied rewrites63.2%
Taylor expanded in ux around 0
count-2-revN/A
distribute-lft-outN/A
count-2-revN/A
metadata-evalN/A
lower-*.f32N/A
metadata-evalN/A
*-lft-identityN/A
metadata-evalN/A
fp-cancel-sign-sub-invN/A
lower-*.f32N/A
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
lower--.f3273.8
Applied rewrites73.8%
Final simplification89.8%
(FPCore (ux uy maxCos)
:precision binary32
(if (<= (* uy 2.0) 0.006000000052154064)
(*
(* (* (PI) 2.0) uy)
(sqrt
(*
(-
(/ 2.0 ux)
(- (* (+ -1.0 maxCos) (- maxCos 1.0)) (* -2.0 (/ maxCos ux))))
(* ux ux))))
(* (sin (* (* (PI) uy) 2.0)) (sqrt (* (fma -2.0 maxCos 2.0) ux)))))\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;uy \cdot 2 \leq 0.006000000052154064:\\
\;\;\;\;\left(\left(\mathsf{PI}\left(\right) \cdot 2\right) \cdot uy\right) \cdot \sqrt{\left(\frac{2}{ux} - \left(\left(-1 + maxCos\right) \cdot \left(maxCos - 1\right) - -2 \cdot \frac{maxCos}{ux}\right)\right) \cdot \left(ux \cdot ux\right)}\\
\mathbf{else}:\\
\;\;\;\;\sin \left(\left(\mathsf{PI}\left(\right) \cdot uy\right) \cdot 2\right) \cdot \sqrt{\mathsf{fma}\left(-2, maxCos, 2\right) \cdot ux}\\
\end{array}
\end{array}
if (*.f32 uy #s(literal 2 binary32)) < 0.00600000005Initial program 60.4%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3259.3
Applied rewrites59.3%
lift-*.f32N/A
lift-+.f32N/A
distribute-rgt-inN/A
+-commutativeN/A
lift-*.f32N/A
associate-*l*N/A
lower-fma.f32N/A
lower-*.f32N/A
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lift-fma.f32N/A
*-commutativeN/A
lower-*.f3258.0
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lift-fma.f3257.8
Applied rewrites57.4%
Taylor expanded in ux around inf
*-commutativeN/A
lower-*.f32N/A
Applied rewrites91.1%
Applied rewrites95.4%
if 0.00600000005 < (*.f32 uy #s(literal 2 binary32)) Initial program 63.0%
Taylor expanded in ux around inf
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
+-commutativeN/A
lower-+.f32N/A
lower-/.f3264.6
Applied rewrites64.6%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
lower-sin.f32N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
lower-sqrt.f32N/A
metadata-evalN/A
fp-cancel-sign-sub-invN/A
*-commutativeN/A
lower-*.f32N/A
+-commutativeN/A
lower-fma.f328.7
Applied rewrites8.7%
Final simplification73.0%
(FPCore (ux uy maxCos)
:precision binary32
(*
(* (* (PI) 2.0) uy)
(sqrt
(*
(-
(/ 2.0 ux)
(- (* (+ -1.0 maxCos) (- maxCos 1.0)) (* -2.0 (/ maxCos ux))))
(* ux ux)))))\begin{array}{l}
\\
\left(\left(\mathsf{PI}\left(\right) \cdot 2\right) \cdot uy\right) \cdot \sqrt{\left(\frac{2}{ux} - \left(\left(-1 + maxCos\right) \cdot \left(maxCos - 1\right) - -2 \cdot \frac{maxCos}{ux}\right)\right) \cdot \left(ux \cdot ux\right)}
\end{array}
Initial program 61.0%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3252.7
Applied rewrites52.7%
lift-*.f32N/A
lift-+.f32N/A
distribute-rgt-inN/A
+-commutativeN/A
lift-*.f32N/A
associate-*l*N/A
lower-fma.f32N/A
lower-*.f32N/A
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lift-fma.f32N/A
*-commutativeN/A
lower-*.f3251.6
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lift-fma.f3251.4
Applied rewrites51.1%
Taylor expanded in ux around inf
*-commutativeN/A
lower-*.f32N/A
Applied rewrites77.8%
Applied rewrites81.1%
Final simplification81.1%
(FPCore (ux uy maxCos)
:precision binary32
(*
(* (* (PI) 2.0) uy)
(sqrt
(*
(- (/ 2.0 ux) (fma (/ maxCos ux) 2.0 (* (- maxCos 1.0) (- maxCos 1.0))))
(* ux ux)))))\begin{array}{l}
\\
\left(\left(\mathsf{PI}\left(\right) \cdot 2\right) \cdot uy\right) \cdot \sqrt{\left(\frac{2}{ux} - \mathsf{fma}\left(\frac{maxCos}{ux}, 2, \left(maxCos - 1\right) \cdot \left(maxCos - 1\right)\right)\right) \cdot \left(ux \cdot ux\right)}
\end{array}
Initial program 61.0%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3252.7
Applied rewrites52.7%
lift-*.f32N/A
lift-+.f32N/A
distribute-rgt-inN/A
+-commutativeN/A
lift-*.f32N/A
associate-*l*N/A
lower-fma.f32N/A
lower-*.f32N/A
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lift-fma.f32N/A
*-commutativeN/A
lower-*.f3251.6
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lift-fma.f3251.4
Applied rewrites50.8%
Taylor expanded in ux around inf
*-commutativeN/A
lower-*.f32N/A
Applied rewrites77.8%
Final simplification77.8%
(FPCore (ux uy maxCos)
:precision binary32
(if (<= (+ (- 1.0 ux) (* ux maxCos)) 0.9994000196456909)
(*
(* (* (PI) 2.0) uy)
(sqrt (- 1.0 (* (- 1.0 (- ux (* maxCos ux))) (- 1.0 ux)))))
(* (* (* (* (sqrt 2.0) (PI)) uy) 2.0) (sqrt (* (- 1.0 maxCos) ux)))))\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\left(1 - ux\right) + ux \cdot maxCos \leq 0.9994000196456909:\\
\;\;\;\;\left(\left(\mathsf{PI}\left(\right) \cdot 2\right) \cdot uy\right) \cdot \sqrt{1 - \left(1 - \left(ux - maxCos \cdot ux\right)\right) \cdot \left(1 - ux\right)}\\
\mathbf{else}:\\
\;\;\;\;\left(\left(\left(\sqrt{2} \cdot \mathsf{PI}\left(\right)\right) \cdot uy\right) \cdot 2\right) \cdot \sqrt{\left(1 - maxCos\right) \cdot ux}\\
\end{array}
\end{array}
if (+.f32 (-.f32 #s(literal 1 binary32) ux) (*.f32 ux maxCos)) < 0.99940002Initial program 91.7%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3276.4
Applied rewrites76.4%
Taylor expanded in maxCos around 0
lower--.f3274.6
Applied rewrites74.6%
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift--.f32N/A
lower--.f3274.6
Applied rewrites74.6%
if 0.99940002 < (+.f32 (-.f32 #s(literal 1 binary32) ux) (*.f32 ux maxCos)) Initial program 42.3%
lift-*.f32N/A
sqr-abs-revN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
fabs-subN/A
sqr-absN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f32N/A
lift-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
lower--.f3242.4
lift-*.f32N/A
*-commutativeN/A
lower-*.f3242.4
Applied rewrites42.4%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-sqrt.f32N/A
lower-sin.f32N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
lower-sqrt.f32N/A
*-commutativeN/A
*-lft-identityN/A
metadata-evalN/A
fp-cancel-sign-sub-invN/A
lower-*.f32N/A
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
lower--.f3289.5
Applied rewrites89.5%
Taylor expanded in uy around 0
Applied rewrites76.2%
Final simplification75.6%
(FPCore (ux uy maxCos)
:precision binary32
(let* ((t_0 (* (* (PI) 2.0) uy)))
(if (<= (+ (- 1.0 ux) (* ux maxCos)) 0.9994000196456909)
(* t_0 (sqrt (- 1.0 (* (- 1.0 (- ux (* maxCos ux))) (- 1.0 ux)))))
(* t_0 (sqrt (* (- 2.0 (* maxCos 2.0)) ux))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(\mathsf{PI}\left(\right) \cdot 2\right) \cdot uy\\
\mathbf{if}\;\left(1 - ux\right) + ux \cdot maxCos \leq 0.9994000196456909:\\
\;\;\;\;t\_0 \cdot \sqrt{1 - \left(1 - \left(ux - maxCos \cdot ux\right)\right) \cdot \left(1 - ux\right)}\\
\mathbf{else}:\\
\;\;\;\;t\_0 \cdot \sqrt{\left(2 - maxCos \cdot 2\right) \cdot ux}\\
\end{array}
\end{array}
if (+.f32 (-.f32 #s(literal 1 binary32) ux) (*.f32 ux maxCos)) < 0.99940002Initial program 91.7%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3276.4
Applied rewrites76.4%
Taylor expanded in maxCos around 0
lower--.f3274.6
Applied rewrites74.6%
lift-+.f32N/A
lift--.f32N/A
associate-+l-N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift--.f32N/A
lower--.f3274.6
Applied rewrites74.6%
if 0.99940002 < (+.f32 (-.f32 #s(literal 1 binary32) ux) (*.f32 ux maxCos)) Initial program 42.3%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3238.2
Applied rewrites38.2%
Taylor expanded in maxCos around 0
lower--.f3237.5
Applied rewrites37.5%
Taylor expanded in ux around 0
metadata-evalN/A
fp-cancel-sign-sub-invN/A
*-commutativeN/A
lower-*.f32N/A
+-commutativeN/A
lower-fma.f3272.9
Applied rewrites72.7%
Applied rewrites76.0%
Final simplification75.5%
(FPCore (ux uy maxCos)
:precision binary32
(let* ((t_0 (+ (- 1.0 ux) (* ux maxCos))) (t_1 (* (* (PI) 2.0) uy)))
(if (<= t_0 0.9994000196456909)
(* t_1 (sqrt (- 1.0 (* t_0 (- 1.0 ux)))))
(* t_1 (sqrt (* (- 2.0 (* maxCos 2.0)) ux))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - ux\right) + ux \cdot maxCos\\
t_1 := \left(\mathsf{PI}\left(\right) \cdot 2\right) \cdot uy\\
\mathbf{if}\;t\_0 \leq 0.9994000196456909:\\
\;\;\;\;t\_1 \cdot \sqrt{1 - t\_0 \cdot \left(1 - ux\right)}\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot \sqrt{\left(2 - maxCos \cdot 2\right) \cdot ux}\\
\end{array}
\end{array}
if (+.f32 (-.f32 #s(literal 1 binary32) ux) (*.f32 ux maxCos)) < 0.99940002Initial program 91.7%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3276.4
Applied rewrites76.4%
Taylor expanded in maxCos around 0
lower--.f3274.6
Applied rewrites74.6%
if 0.99940002 < (+.f32 (-.f32 #s(literal 1 binary32) ux) (*.f32 ux maxCos)) Initial program 42.3%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3238.2
Applied rewrites38.2%
Taylor expanded in maxCos around 0
lower--.f3237.5
Applied rewrites37.5%
Taylor expanded in ux around 0
metadata-evalN/A
fp-cancel-sign-sub-invN/A
*-commutativeN/A
lower-*.f32N/A
+-commutativeN/A
lower-fma.f3272.9
Applied rewrites72.7%
Applied rewrites76.0%
Final simplification75.5%
(FPCore (ux uy maxCos)
:precision binary32
(let* ((t_0 (* (* (PI) 2.0) uy)))
(if (<= (+ (- 1.0 ux) (* ux maxCos)) 0.9994000196456909)
(* t_0 (sqrt (- 1.0 (* (- 1.0 ux) (- 1.0 ux)))))
(* t_0 (sqrt (* (- 2.0 (* maxCos 2.0)) ux))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(\mathsf{PI}\left(\right) \cdot 2\right) \cdot uy\\
\mathbf{if}\;\left(1 - ux\right) + ux \cdot maxCos \leq 0.9994000196456909:\\
\;\;\;\;t\_0 \cdot \sqrt{1 - \left(1 - ux\right) \cdot \left(1 - ux\right)}\\
\mathbf{else}:\\
\;\;\;\;t\_0 \cdot \sqrt{\left(2 - maxCos \cdot 2\right) \cdot ux}\\
\end{array}
\end{array}
if (+.f32 (-.f32 #s(literal 1 binary32) ux) (*.f32 ux maxCos)) < 0.99940002Initial program 91.7%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3276.4
Applied rewrites76.4%
Taylor expanded in maxCos around 0
lower--.f3274.6
Applied rewrites74.6%
Taylor expanded in maxCos around 0
lower--.f3274.4
Applied rewrites74.4%
if 0.99940002 < (+.f32 (-.f32 #s(literal 1 binary32) ux) (*.f32 ux maxCos)) Initial program 42.3%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3238.2
Applied rewrites38.2%
Taylor expanded in maxCos around 0
lower--.f3237.5
Applied rewrites37.5%
Taylor expanded in ux around 0
metadata-evalN/A
fp-cancel-sign-sub-invN/A
*-commutativeN/A
lower-*.f32N/A
+-commutativeN/A
lower-fma.f3272.9
Applied rewrites72.7%
Applied rewrites76.0%
Final simplification75.4%
(FPCore (ux uy maxCos) :precision binary32 (* (* (* (PI) 2.0) uy) (sqrt (* (- (/ 2.0 ux) 1.0) (* ux ux)))))
\begin{array}{l}
\\
\left(\left(\mathsf{PI}\left(\right) \cdot 2\right) \cdot uy\right) \cdot \sqrt{\left(\frac{2}{ux} - 1\right) \cdot \left(ux \cdot ux\right)}
\end{array}
Initial program 61.0%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3252.7
Applied rewrites52.7%
lift-*.f32N/A
lift-+.f32N/A
distribute-rgt-inN/A
+-commutativeN/A
lift-*.f32N/A
associate-*l*N/A
lower-fma.f32N/A
lower-*.f32N/A
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lift-fma.f32N/A
*-commutativeN/A
lower-*.f3251.6
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lift-fma.f3251.4
Applied rewrites50.6%
Taylor expanded in ux around inf
*-commutativeN/A
lower-*.f32N/A
Applied rewrites77.8%
Taylor expanded in maxCos around 0
Applied rewrites77.9%
Final simplification77.9%
(FPCore (ux uy maxCos) :precision binary32 (* (* (* (PI) 2.0) uy) (sqrt (* (- 2.0 (* maxCos 2.0)) ux))))
\begin{array}{l}
\\
\left(\left(\mathsf{PI}\left(\right) \cdot 2\right) \cdot uy\right) \cdot \sqrt{\left(2 - maxCos \cdot 2\right) \cdot ux}
\end{array}
Initial program 61.0%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3252.7
Applied rewrites52.7%
Taylor expanded in maxCos around 0
lower--.f3251.6
Applied rewrites51.6%
Taylor expanded in ux around 0
metadata-evalN/A
fp-cancel-sign-sub-invN/A
*-commutativeN/A
lower-*.f32N/A
+-commutativeN/A
lower-fma.f3262.1
Applied rewrites62.1%
Applied rewrites64.2%
Final simplification64.2%
(FPCore (ux uy maxCos) :precision binary32 (* (* (* (PI) 2.0) uy) (sqrt (* 2.0 ux))))
\begin{array}{l}
\\
\left(\left(\mathsf{PI}\left(\right) \cdot 2\right) \cdot uy\right) \cdot \sqrt{2 \cdot ux}
\end{array}
Initial program 61.0%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3252.7
Applied rewrites52.7%
Taylor expanded in maxCos around 0
lower--.f3251.6
Applied rewrites51.6%
Taylor expanded in ux around 0
metadata-evalN/A
fp-cancel-sign-sub-invN/A
*-commutativeN/A
lower-*.f32N/A
+-commutativeN/A
lower-fma.f3262.1
Applied rewrites62.0%
Taylor expanded in maxCos around 0
Applied rewrites62.1%
Final simplification62.1%
herbie shell --seed 2024337
(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)))))))