
(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 12 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 (* (sin (* (* uy 2.0) (PI))) (sqrt (* (fma (- (* (- 2.0 maxCos) ux) 2.0) maxCos (- 2.0 ux)) ux))))
\begin{array}{l}
\\
\sin \left(\left(uy \cdot 2\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \sqrt{\mathsf{fma}\left(\left(2 - maxCos\right) \cdot ux - 2, maxCos, 2 - ux\right) \cdot ux}
\end{array}
Initial program 57.4%
lift--.f32N/A
lift-*.f32N/A
lift-+.f32N/A
distribute-rgt-inN/A
associate--r+N/A
lower--.f32N/A
lower--.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lower-fma.f32N/A
*-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
Applied rewrites55.9%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
Applied rewrites98.2%
Taylor expanded in maxCos around 0
Applied rewrites98.2%
Taylor expanded in ux around 0
Applied rewrites98.2%
Final simplification98.2%
(FPCore (ux uy maxCos) :precision binary32 (* (sin (* (* uy 2.0) (PI))) (sqrt (* (- 2.0 (fma (fma -2.0 ux 2.0) maxCos ux)) ux))))
\begin{array}{l}
\\
\sin \left(\left(uy \cdot 2\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \sqrt{\left(2 - \mathsf{fma}\left(\mathsf{fma}\left(-2, ux, 2\right), maxCos, ux\right)\right) \cdot ux}
\end{array}
Initial program 57.4%
lift--.f32N/A
lift-*.f32N/A
lift-+.f32N/A
distribute-rgt-inN/A
associate--r+N/A
lower--.f32N/A
lower--.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lower-fma.f32N/A
*-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
Applied rewrites55.9%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
Applied rewrites98.2%
Taylor expanded in maxCos around 0
Applied rewrites97.5%
Final simplification97.5%
(FPCore (ux uy maxCos) :precision binary32 (* (sin (* (* uy 2.0) (PI))) (sqrt (fma (- 2.0 ux) ux (* (* -2.0 maxCos) ux)))))
\begin{array}{l}
\\
\sin \left(\left(uy \cdot 2\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \sqrt{\mathsf{fma}\left(2 - ux, ux, \left(-2 \cdot maxCos\right) \cdot ux\right)}
\end{array}
Initial program 57.4%
lift--.f32N/A
lift-*.f32N/A
lift-+.f32N/A
distribute-rgt-inN/A
associate--r+N/A
lower--.f32N/A
lower--.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lower-fma.f32N/A
*-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
Applied rewrites55.9%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
Applied rewrites98.2%
Applied rewrites98.2%
Taylor expanded in maxCos around 0
Applied rewrites96.6%
Final simplification96.6%
(FPCore (ux uy maxCos)
:precision binary32
(if (<= maxCos 1.6000000186977559e-6)
(* (sin (* (* uy 2.0) (PI))) (sqrt (* (- 2.0 ux) ux)))
(*
(* (* (PI) uy) 2.0)
(sqrt (* (fma (- (fma (- 1.0 maxCos) ux ux) 2.0) maxCos (- 2.0 ux)) ux)))))\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;maxCos \leq 1.6000000186977559 \cdot 10^{-6}:\\
\;\;\;\;\sin \left(\left(uy \cdot 2\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \sqrt{\left(2 - ux\right) \cdot ux}\\
\mathbf{else}:\\
\;\;\;\;\left(\left(\mathsf{PI}\left(\right) \cdot uy\right) \cdot 2\right) \cdot \sqrt{\mathsf{fma}\left(\mathsf{fma}\left(1 - maxCos, ux, ux\right) - 2, maxCos, 2 - ux\right) \cdot ux}\\
\end{array}
\end{array}
if maxCos < 1.60000002e-6Initial program 56.8%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
fp-cancel-sub-sign-invN/A
metadata-evalN/A
+-commutativeN/A
lower-fma.f32N/A
associate-*r*N/A
mul-1-negN/A
fp-cancel-sub-signN/A
lower--.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower--.f3298.2
Applied rewrites98.2%
Taylor expanded in maxCos around 0
Applied rewrites97.9%
if 1.60000002e-6 < maxCos Initial program 60.2%
lift--.f32N/A
lift-*.f32N/A
lift-+.f32N/A
distribute-rgt-inN/A
associate--r+N/A
lower--.f32N/A
lower--.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lower-fma.f32N/A
*-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
Applied rewrites59.9%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
Applied rewrites98.3%
Taylor expanded in maxCos around 0
Applied rewrites98.4%
Taylor expanded in uy around 0
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3286.9
Applied rewrites86.9%
Final simplification96.2%
(FPCore (ux uy maxCos)
:precision binary32
(let* ((t_0 (+ (- 1.0 ux) (* ux maxCos))))
(if (<= (sqrt (- 1.0 (* t_0 t_0))) 0.013000000268220901)
(*
(* (* (PI) 2.0) uy)
(sqrt (* (- (fma -1.0 (- maxCos 1.0) 1.0) maxCos) ux)))
(*
(* (* (PI) uy) 2.0)
(sqrt
(fma (- ux (fma ux maxCos 1.0)) (- (fma ux maxCos 1.0) ux) 1.0))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - ux\right) + ux \cdot maxCos\\
\mathbf{if}\;\sqrt{1 - t\_0 \cdot t\_0} \leq 0.013000000268220901:\\
\;\;\;\;\left(\left(\mathsf{PI}\left(\right) \cdot 2\right) \cdot uy\right) \cdot \sqrt{\left(\mathsf{fma}\left(-1, maxCos - 1, 1\right) - maxCos\right) \cdot ux}\\
\mathbf{else}:\\
\;\;\;\;\left(\left(\mathsf{PI}\left(\right) \cdot uy\right) \cdot 2\right) \cdot \sqrt{\mathsf{fma}\left(ux - \mathsf{fma}\left(ux, maxCos, 1\right), \mathsf{fma}\left(ux, maxCos, 1\right) - ux, 1\right)}\\
\end{array}
\end{array}
if (sqrt.f32 (-.f32 #s(literal 1 binary32) (*.f32 (+.f32 (-.f32 #s(literal 1 binary32) ux) (*.f32 ux maxCos)) (+.f32 (-.f32 #s(literal 1 binary32) ux) (*.f32 ux maxCos))))) < 0.0130000003Initial program 34.7%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3230.7
Applied rewrites30.7%
unpow1N/A
sqr-powN/A
lower-*.f32N/A
metadata-evalN/A
unpow1/2N/A
lower-sqrt.f32N/A
lift-+.f32N/A
lift-*.f32N/A
*-commutativeN/A
+-commutativeN/A
lift-fma.f32N/A
metadata-evalN/A
unpow1/2N/A
lower-sqrt.f3229.9
lift-+.f32N/A
lift-*.f32N/A
*-commutativeN/A
+-commutativeN/A
lift-fma.f3229.9
Applied rewrites29.9%
lift--.f32N/A
lift-*.f32N/A
lift-+.f32N/A
lift--.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-sqrt.f32N/A
lift-sqrt.f32N/A
rem-square-sqrtN/A
fp-cancel-sub-sign-invN/A
lift-fma.f32N/A
+-commutativeN/A
lift--.f32N/A
*-commutativeN/A
Applied rewrites30.0%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
+-commutativeN/A
lower-fma.f32N/A
lower--.f3275.5
Applied rewrites75.5%
if 0.0130000003 < (sqrt.f32 (-.f32 #s(literal 1 binary32) (*.f32 (+.f32 (-.f32 #s(literal 1 binary32) ux) (*.f32 ux maxCos)) (+.f32 (-.f32 #s(literal 1 binary32) ux) (*.f32 ux maxCos))))) Initial program 87.4%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3276.9
Applied rewrites76.9%
unpow1N/A
sqr-powN/A
lower-*.f32N/A
metadata-evalN/A
unpow1/2N/A
lower-sqrt.f32N/A
lift-+.f32N/A
lift-*.f32N/A
*-commutativeN/A
+-commutativeN/A
lift-fma.f32N/A
metadata-evalN/A
unpow1/2N/A
lower-sqrt.f3276.4
lift-+.f32N/A
lift-*.f32N/A
*-commutativeN/A
+-commutativeN/A
lift-fma.f3276.4
Applied rewrites76.4%
lift--.f32N/A
lift-*.f32N/A
lift-+.f32N/A
lift--.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-sqrt.f32N/A
lift-sqrt.f32N/A
rem-square-sqrtN/A
fp-cancel-sub-sign-invN/A
lift-fma.f32N/A
+-commutativeN/A
lift--.f32N/A
*-commutativeN/A
Applied rewrites76.7%
Taylor expanded in uy around 0
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
lower-sqrt.f32N/A
+-commutativeN/A
lower-fma.f32N/A
lower--.f32N/A
+-commutativeN/A
*-commutativeN/A
lower-fma.f32N/A
lower--.f32N/A
+-commutativeN/A
*-commutativeN/A
lower-fma.f3277.2
Applied rewrites77.2%
Final simplification76.2%
(FPCore (ux uy maxCos)
:precision binary32
(*
(* (* (PI) 2.0) uy)
(sqrt
(*
(-
(fma
(/ (- maxCos 1.0) ux)
-1.0
(fma (- 1.0 maxCos) (- maxCos 1.0) (/ 1.0 ux)))
(/ maxCos ux))
(* ux ux)))))\begin{array}{l}
\\
\left(\left(\mathsf{PI}\left(\right) \cdot 2\right) \cdot uy\right) \cdot \sqrt{\left(\mathsf{fma}\left(\frac{maxCos - 1}{ux}, -1, \mathsf{fma}\left(1 - maxCos, maxCos - 1, \frac{1}{ux}\right)\right) - \frac{maxCos}{ux}\right) \cdot \left(ux \cdot ux\right)}
\end{array}
Initial program 57.4%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3250.6
Applied rewrites50.6%
unpow1N/A
sqr-powN/A
lower-*.f32N/A
metadata-evalN/A
unpow1/2N/A
lower-sqrt.f32N/A
lift-+.f32N/A
lift-*.f32N/A
*-commutativeN/A
+-commutativeN/A
lift-fma.f32N/A
metadata-evalN/A
unpow1/2N/A
lower-sqrt.f3249.9
lift-+.f32N/A
lift-*.f32N/A
*-commutativeN/A
+-commutativeN/A
lift-fma.f3249.9
Applied rewrites49.9%
lift--.f32N/A
lift-*.f32N/A
lift-+.f32N/A
lift--.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-sqrt.f32N/A
lift-sqrt.f32N/A
rem-square-sqrtN/A
fp-cancel-sub-sign-invN/A
lift-fma.f32N/A
+-commutativeN/A
lift--.f32N/A
*-commutativeN/A
Applied rewrites50.1%
Taylor expanded in ux around inf
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
*-commutativeN/A
lower-fma.f32N/A
lower-/.f32N/A
lower--.f32N/A
lower-fma.f32N/A
lower--.f32N/A
lower--.f32N/A
lower-/.f32N/A
lower-/.f32N/A
unpow2N/A
lower-*.f3280.9
Applied rewrites80.9%
Final simplification80.9%
(FPCore (ux uy maxCos)
:precision binary32
(let* ((t_0 (+ (- 1.0 ux) (* ux maxCos))) (t_1 (* (* (PI) 2.0) uy)))
(if (<= (* t_0 t_0) 0.9995200037956238)
(* t_1 (sqrt (- 1.0 (* t_0 (- 1.0 ux)))))
(* t_1 (sqrt (* (- (fma -1.0 (- maxCos 1.0) 1.0) maxCos) 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 \cdot t\_0 \leq 0.9995200037956238:\\
\;\;\;\;t\_1 \cdot \sqrt{1 - t\_0 \cdot \left(1 - ux\right)}\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot \sqrt{\left(\mathsf{fma}\left(-1, maxCos - 1, 1\right) - maxCos\right) \cdot ux}\\
\end{array}
\end{array}
if (*.f32 (+.f32 (-.f32 #s(literal 1 binary32) ux) (*.f32 ux maxCos)) (+.f32 (-.f32 #s(literal 1 binary32) ux) (*.f32 ux maxCos))) < 0.999520004Initial program 89.2%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3279.2
Applied rewrites79.2%
Taylor expanded in maxCos around 0
lower--.f3276.7
Applied rewrites76.7%
if 0.999520004 < (*.f32 (+.f32 (-.f32 #s(literal 1 binary32) ux) (*.f32 ux maxCos)) (+.f32 (-.f32 #s(literal 1 binary32) ux) (*.f32 ux maxCos))) Initial program 38.2%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3233.4
Applied rewrites33.4%
unpow1N/A
sqr-powN/A
lower-*.f32N/A
metadata-evalN/A
unpow1/2N/A
lower-sqrt.f32N/A
lift-+.f32N/A
lift-*.f32N/A
*-commutativeN/A
+-commutativeN/A
lift-fma.f32N/A
metadata-evalN/A
unpow1/2N/A
lower-sqrt.f3232.5
lift-+.f32N/A
lift-*.f32N/A
*-commutativeN/A
+-commutativeN/A
lift-fma.f3232.5
Applied rewrites32.5%
lift--.f32N/A
lift-*.f32N/A
lift-+.f32N/A
lift--.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-sqrt.f32N/A
lift-sqrt.f32N/A
rem-square-sqrtN/A
fp-cancel-sub-sign-invN/A
lift-fma.f32N/A
+-commutativeN/A
lift--.f32N/A
*-commutativeN/A
Applied rewrites32.7%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
+-commutativeN/A
lower-fma.f32N/A
lower--.f3274.2
Applied rewrites74.2%
Final simplification75.1%
(FPCore (ux uy maxCos)
:precision binary32
(*
(* (* (PI) 2.0) uy)
(sqrt
(*
(-
(+ (fma (* (- 1.0 maxCos) ux) (- maxCos 1.0) (- (- maxCos) -1.0)) 1.0)
maxCos)
ux))))\begin{array}{l}
\\
\left(\left(\mathsf{PI}\left(\right) \cdot 2\right) \cdot uy\right) \cdot \sqrt{\left(\left(\mathsf{fma}\left(\left(1 - maxCos\right) \cdot ux, maxCos - 1, \left(-maxCos\right) - -1\right) + 1\right) - maxCos\right) \cdot ux}
\end{array}
Initial program 57.4%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3250.6
Applied rewrites50.6%
unpow1N/A
sqr-powN/A
lower-*.f32N/A
metadata-evalN/A
unpow1/2N/A
lower-sqrt.f32N/A
lift-+.f32N/A
lift-*.f32N/A
*-commutativeN/A
+-commutativeN/A
lift-fma.f32N/A
metadata-evalN/A
unpow1/2N/A
lower-sqrt.f3249.9
lift-+.f32N/A
lift-*.f32N/A
*-commutativeN/A
+-commutativeN/A
lift-fma.f3249.9
Applied rewrites49.9%
lift--.f32N/A
lift-*.f32N/A
lift-+.f32N/A
lift--.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-sqrt.f32N/A
lift-sqrt.f32N/A
rem-square-sqrtN/A
fp-cancel-sub-sign-invN/A
lift-fma.f32N/A
+-commutativeN/A
lift--.f32N/A
*-commutativeN/A
Applied rewrites50.1%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
Applied rewrites80.9%
Final simplification80.9%
(FPCore (ux uy maxCos) :precision binary32 (* (* (* (PI) uy) 2.0) (sqrt (* (fma (- (fma (- 1.0 maxCos) ux ux) 2.0) maxCos (- 2.0 ux)) ux))))
\begin{array}{l}
\\
\left(\left(\mathsf{PI}\left(\right) \cdot uy\right) \cdot 2\right) \cdot \sqrt{\mathsf{fma}\left(\mathsf{fma}\left(1 - maxCos, ux, ux\right) - 2, maxCos, 2 - ux\right) \cdot ux}
\end{array}
Initial program 57.4%
lift--.f32N/A
lift-*.f32N/A
lift-+.f32N/A
distribute-rgt-inN/A
associate--r+N/A
lower--.f32N/A
lower--.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-+.f32N/A
+-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lower-fma.f32N/A
*-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
Applied rewrites55.9%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
Applied rewrites98.2%
Taylor expanded in maxCos around 0
Applied rewrites98.2%
Taylor expanded in uy around 0
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3280.8
Applied rewrites80.8%
Final simplification80.8%
(FPCore (ux uy maxCos)
:precision binary32
(let* ((t_0 (* (* (PI) 2.0) uy)))
(if (<= ux 0.00023999999393709004)
(* t_0 (sqrt (* (- (fma -1.0 (- maxCos 1.0) 1.0) maxCos) ux)))
(* t_0 (sqrt (fma (- ux 1.0) (- 1.0 ux) 1.0))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(\mathsf{PI}\left(\right) \cdot 2\right) \cdot uy\\
\mathbf{if}\;ux \leq 0.00023999999393709004:\\
\;\;\;\;t\_0 \cdot \sqrt{\left(\mathsf{fma}\left(-1, maxCos - 1, 1\right) - maxCos\right) \cdot ux}\\
\mathbf{else}:\\
\;\;\;\;t\_0 \cdot \sqrt{\mathsf{fma}\left(ux - 1, 1 - ux, 1\right)}\\
\end{array}
\end{array}
if ux < 2.39999994e-4Initial program 38.2%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3233.4
Applied rewrites33.4%
unpow1N/A
sqr-powN/A
lower-*.f32N/A
metadata-evalN/A
unpow1/2N/A
lower-sqrt.f32N/A
lift-+.f32N/A
lift-*.f32N/A
*-commutativeN/A
+-commutativeN/A
lift-fma.f32N/A
metadata-evalN/A
unpow1/2N/A
lower-sqrt.f3232.5
lift-+.f32N/A
lift-*.f32N/A
*-commutativeN/A
+-commutativeN/A
lift-fma.f3232.5
Applied rewrites32.5%
lift--.f32N/A
lift-*.f32N/A
lift-+.f32N/A
lift--.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-sqrt.f32N/A
lift-sqrt.f32N/A
rem-square-sqrtN/A
fp-cancel-sub-sign-invN/A
lift-fma.f32N/A
+-commutativeN/A
lift--.f32N/A
*-commutativeN/A
Applied rewrites32.7%
Taylor expanded in ux around 0
*-commutativeN/A
lower-*.f32N/A
lower--.f32N/A
+-commutativeN/A
lower-fma.f32N/A
lower--.f3274.2
Applied rewrites74.2%
if 2.39999994e-4 < ux Initial program 89.2%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3279.2
Applied rewrites79.2%
unpow1N/A
sqr-powN/A
lower-*.f32N/A
metadata-evalN/A
unpow1/2N/A
lower-sqrt.f32N/A
lift-+.f32N/A
lift-*.f32N/A
*-commutativeN/A
+-commutativeN/A
lift-fma.f32N/A
metadata-evalN/A
unpow1/2N/A
lower-sqrt.f3278.9
lift-+.f32N/A
lift-*.f32N/A
*-commutativeN/A
+-commutativeN/A
lift-fma.f3278.9
Applied rewrites78.9%
lift--.f32N/A
lift-*.f32N/A
lift-+.f32N/A
lift--.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-sqrt.f32N/A
lift-sqrt.f32N/A
rem-square-sqrtN/A
fp-cancel-sub-sign-invN/A
lift-fma.f32N/A
+-commutativeN/A
lift--.f32N/A
*-commutativeN/A
Applied rewrites79.0%
Taylor expanded in maxCos around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f32N/A
lower--.f32N/A
lower--.f3276.3
Applied rewrites76.3%
Final simplification75.0%
(FPCore (ux uy maxCos) :precision binary32 (* (* (* (PI) 2.0) uy) (sqrt (fma (- ux 1.0) (- 1.0 ux) 1.0))))
\begin{array}{l}
\\
\left(\left(\mathsf{PI}\left(\right) \cdot 2\right) \cdot uy\right) \cdot \sqrt{\mathsf{fma}\left(ux - 1, 1 - ux, 1\right)}
\end{array}
Initial program 57.4%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3250.6
Applied rewrites50.6%
unpow1N/A
sqr-powN/A
lower-*.f32N/A
metadata-evalN/A
unpow1/2N/A
lower-sqrt.f32N/A
lift-+.f32N/A
lift-*.f32N/A
*-commutativeN/A
+-commutativeN/A
lift-fma.f32N/A
metadata-evalN/A
unpow1/2N/A
lower-sqrt.f3249.9
lift-+.f32N/A
lift-*.f32N/A
*-commutativeN/A
+-commutativeN/A
lift-fma.f3249.9
Applied rewrites49.9%
lift--.f32N/A
lift-*.f32N/A
lift-+.f32N/A
lift--.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-sqrt.f32N/A
lift-sqrt.f32N/A
rem-square-sqrtN/A
fp-cancel-sub-sign-invN/A
lift-fma.f32N/A
+-commutativeN/A
lift--.f32N/A
*-commutativeN/A
Applied rewrites50.1%
Taylor expanded in maxCos around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f32N/A
lower--.f32N/A
lower--.f3249.0
Applied rewrites49.0%
Final simplification49.0%
(FPCore (ux uy maxCos) :precision binary32 (* (* (+ (PI) (PI)) uy) (sqrt (- 1.0 1.0))))
\begin{array}{l}
\\
\left(\left(\mathsf{PI}\left(\right) + \mathsf{PI}\left(\right)\right) \cdot uy\right) \cdot \sqrt{1 - 1}
\end{array}
Initial program 57.4%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3250.6
Applied rewrites50.6%
Taylor expanded in ux around 0
Applied rewrites7.1%
Applied rewrites7.1%
herbie shell --seed 2024353
(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)))))))