
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(let* ((t_0 (* (* (- 1.0 ux) maxCos) ux))
(t_1 (sqrt (- 1.0 (* t_0 t_0))))
(t_2 (* (* uy 2.0) (PI))))
(+ (+ (* (* (cos t_2) t_1) xi) (* (* (sin t_2) t_1) yi)) (* t_0 zi))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\\
t_1 := \sqrt{1 - t\_0 \cdot t\_0}\\
t_2 := \left(uy \cdot 2\right) \cdot \mathsf{PI}\left(\right)\\
\left(\left(\cos t\_2 \cdot t\_1\right) \cdot xi + \left(\sin t\_2 \cdot t\_1\right) \cdot yi\right) + t\_0 \cdot zi
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 24 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(let* ((t_0 (* (* (- 1.0 ux) maxCos) ux))
(t_1 (sqrt (- 1.0 (* t_0 t_0))))
(t_2 (* (* uy 2.0) (PI))))
(+ (+ (* (* (cos t_2) t_1) xi) (* (* (sin t_2) t_1) yi)) (* t_0 zi))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\\
t_1 := \sqrt{1 - t\_0 \cdot t\_0}\\
t_2 := \left(uy \cdot 2\right) \cdot \mathsf{PI}\left(\right)\\
\left(\left(\cos t\_2 \cdot t\_1\right) \cdot xi + \left(\sin t\_2 \cdot t\_1\right) \cdot yi\right) + t\_0 \cdot zi
\end{array}
\end{array}
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (fma (sin (fma (* (PI) -2.0) uy (/ (PI) 2.0))) xi (fma (sin (* (* (PI) uy) 2.0)) yi (* (* (* (- 1.0 ux) zi) ux) maxCos))))
\begin{array}{l}
\\
\mathsf{fma}\left(\sin \left(\mathsf{fma}\left(\mathsf{PI}\left(\right) \cdot -2, uy, \frac{\mathsf{PI}\left(\right)}{2}\right)\right), xi, \mathsf{fma}\left(\sin \left(\left(\mathsf{PI}\left(\right) \cdot uy\right) \cdot 2\right), yi, \left(\left(\left(1 - ux\right) \cdot zi\right) \cdot ux\right) \cdot maxCos\right)\right)
\end{array}
Initial program 98.7%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites98.8%
Applied rewrites99.0%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (fma (sin (* (* 2.0 uy) (PI))) yi (fma (* maxCos (* (- 1.0 ux) zi)) ux (* (cos (* (* (PI) uy) -2.0)) xi))))
\begin{array}{l}
\\
\mathsf{fma}\left(\sin \left(\left(2 \cdot uy\right) \cdot \mathsf{PI}\left(\right)\right), yi, \mathsf{fma}\left(maxCos \cdot \left(\left(1 - ux\right) \cdot zi\right), ux, \cos \left(\left(\mathsf{PI}\left(\right) \cdot uy\right) \cdot -2\right) \cdot xi\right)\right)
\end{array}
Initial program 98.7%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites98.8%
Applied rewrites98.9%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (fma (sin (* (* 2.0 uy) (PI))) yi (fma (cos (* (* (PI) uy) -2.0)) xi (* (* (* (- 1.0 ux) maxCos) ux) zi))))
\begin{array}{l}
\\
\mathsf{fma}\left(\sin \left(\left(2 \cdot uy\right) \cdot \mathsf{PI}\left(\right)\right), yi, \mathsf{fma}\left(\cos \left(\left(\mathsf{PI}\left(\right) \cdot uy\right) \cdot -2\right), xi, \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi\right)\right)
\end{array}
Initial program 98.7%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites98.8%
Applied rewrites98.8%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(let* ((t_0 (* (PI) uy)))
(fma
(cos (* -2.0 t_0))
xi
(fma (sin (* t_0 2.0)) yi (* (* (* (- 1.0 ux) zi) ux) maxCos)))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \mathsf{PI}\left(\right) \cdot uy\\
\mathsf{fma}\left(\cos \left(-2 \cdot t\_0\right), xi, \mathsf{fma}\left(\sin \left(t\_0 \cdot 2\right), yi, \left(\left(\left(1 - ux\right) \cdot zi\right) \cdot ux\right) \cdot maxCos\right)\right)
\end{array}
\end{array}
Initial program 98.7%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites98.8%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (fma (sin (* (* 2.0 uy) (PI))) yi (fma (* maxCos zi) ux (* (cos (* (* uy (PI)) -2.0)) xi))))
\begin{array}{l}
\\
\mathsf{fma}\left(\sin \left(\left(2 \cdot uy\right) \cdot \mathsf{PI}\left(\right)\right), yi, \mathsf{fma}\left(maxCos \cdot zi, ux, \cos \left(\left(uy \cdot \mathsf{PI}\left(\right)\right) \cdot -2\right) \cdot xi\right)\right)
\end{array}
Initial program 98.7%
Taylor expanded in ux around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
lower-fma.f32N/A
Applied rewrites96.1%
Applied rewrites96.2%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(let* ((t_0 (* (PI) uy)))
(fma
(cos (* -2.0 t_0))
xi
(fma (sin (* t_0 2.0)) yi (* (* zi ux) maxCos)))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \mathsf{PI}\left(\right) \cdot uy\\
\mathsf{fma}\left(\cos \left(-2 \cdot t\_0\right), xi, \mathsf{fma}\left(\sin \left(t\_0 \cdot 2\right), yi, \left(zi \cdot ux\right) \cdot maxCos\right)\right)
\end{array}
\end{array}
Initial program 98.7%
Taylor expanded in ux around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
lower-fma.f32N/A
Applied rewrites96.1%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(let* ((t_0 (sin (* (* (PI) uy) 2.0))))
(if (<= uy 0.010999999940395355)
(fma
(fma (* -2.0 (* uy uy)) (* (PI) (PI)) 1.0)
xi
(fma t_0 yi (* (* (* (- 1.0 ux) zi) ux) maxCos)))
(fma (sin (* (PI) (fma -2.0 uy 0.5))) xi (* t_0 yi)))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \sin \left(\left(\mathsf{PI}\left(\right) \cdot uy\right) \cdot 2\right)\\
\mathbf{if}\;uy \leq 0.010999999940395355:\\
\;\;\;\;\mathsf{fma}\left(\mathsf{fma}\left(-2 \cdot \left(uy \cdot uy\right), \mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right), 1\right), xi, \mathsf{fma}\left(t\_0, yi, \left(\left(\left(1 - ux\right) \cdot zi\right) \cdot ux\right) \cdot maxCos\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\sin \left(\mathsf{PI}\left(\right) \cdot \mathsf{fma}\left(-2, uy, 0.5\right)\right), xi, t\_0 \cdot yi\right)\\
\end{array}
\end{array}
if uy < 0.0109999999Initial program 99.2%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites99.3%
Taylor expanded in uy around 0
Applied rewrites99.3%
if 0.0109999999 < uy Initial program 96.7%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites96.9%
Applied rewrites97.6%
Taylor expanded in zi around 0
Applied rewrites90.6%
Final simplification97.5%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(let* ((t_0 (* (PI) uy)) (t_1 (sin (* t_0 2.0))))
(if (<= uy 0.010999999940395355)
(fma
(fma (* -2.0 (* uy uy)) (* (PI) (PI)) 1.0)
xi
(fma t_1 yi (* (* (* (- 1.0 ux) zi) ux) maxCos)))
(fma (cos (* -2.0 t_0)) xi (* t_1 yi)))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \mathsf{PI}\left(\right) \cdot uy\\
t_1 := \sin \left(t\_0 \cdot 2\right)\\
\mathbf{if}\;uy \leq 0.010999999940395355:\\
\;\;\;\;\mathsf{fma}\left(\mathsf{fma}\left(-2 \cdot \left(uy \cdot uy\right), \mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right), 1\right), xi, \mathsf{fma}\left(t\_1, yi, \left(\left(\left(1 - ux\right) \cdot zi\right) \cdot ux\right) \cdot maxCos\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\cos \left(-2 \cdot t\_0\right), xi, t\_1 \cdot yi\right)\\
\end{array}
\end{array}
if uy < 0.0109999999Initial program 99.2%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites99.3%
Taylor expanded in uy around 0
Applied rewrites99.3%
if 0.0109999999 < uy Initial program 96.7%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites96.9%
Taylor expanded in ux around 0
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-sin.f32N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f3290.0
Applied rewrites90.0%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (fma (fma (* -2.0 (* uy uy)) (* (PI) (PI)) 1.0) xi (fma (sin (* (* (PI) uy) 2.0)) yi (* (* (* (- 1.0 ux) zi) ux) maxCos))))
\begin{array}{l}
\\
\mathsf{fma}\left(\mathsf{fma}\left(-2 \cdot \left(uy \cdot uy\right), \mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right), 1\right), xi, \mathsf{fma}\left(\sin \left(\left(\mathsf{PI}\left(\right) \cdot uy\right) \cdot 2\right), yi, \left(\left(\left(1 - ux\right) \cdot zi\right) \cdot ux\right) \cdot maxCos\right)\right)
\end{array}
Initial program 98.7%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites98.8%
Taylor expanded in uy around 0
Applied rewrites93.9%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (fma (fma (* -2.0 (* uy uy)) (* (PI) (PI)) 1.0) xi (fma (sin (* (* (PI) uy) 2.0)) yi (* (* zi ux) maxCos))))
\begin{array}{l}
\\
\mathsf{fma}\left(\mathsf{fma}\left(-2 \cdot \left(uy \cdot uy\right), \mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right), 1\right), xi, \mathsf{fma}\left(\sin \left(\left(\mathsf{PI}\left(\right) \cdot uy\right) \cdot 2\right), yi, \left(zi \cdot ux\right) \cdot maxCos\right)\right)
\end{array}
Initial program 98.7%
Taylor expanded in ux around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
lower-fma.f32N/A
Applied rewrites96.1%
Taylor expanded in uy around 0
Applied rewrites91.3%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (fma 1.0 xi (* (fma yi (/ (sin (* (* (PI) uy) 2.0)) zi) (* (* (- 1.0 ux) ux) maxCos)) zi)))
\begin{array}{l}
\\
\mathsf{fma}\left(1, xi, \mathsf{fma}\left(yi, \frac{\sin \left(\left(\mathsf{PI}\left(\right) \cdot uy\right) \cdot 2\right)}{zi}, \left(\left(1 - ux\right) \cdot ux\right) \cdot maxCos\right) \cdot zi\right)
\end{array}
Initial program 98.7%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites98.8%
Taylor expanded in zi around inf
Applied rewrites98.7%
Taylor expanded in uy around 0
Applied rewrites89.4%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(let* ((t_0 (* (PI) uy)))
(fma
(cos (* -2.0 t_0))
xi
(fma (* t_0 2.0) yi (* (* (* (- 1.0 ux) zi) ux) maxCos)))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \mathsf{PI}\left(\right) \cdot uy\\
\mathsf{fma}\left(\cos \left(-2 \cdot t\_0\right), xi, \mathsf{fma}\left(t\_0 \cdot 2, yi, \left(\left(\left(1 - ux\right) \cdot zi\right) \cdot ux\right) \cdot maxCos\right)\right)
\end{array}
\end{array}
Initial program 98.7%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites98.8%
Taylor expanded in uy around 0
Applied rewrites88.7%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (fma (cos (* -2.0 (* (PI) uy))) xi (fma (* (* yi (PI)) uy) 2.0 (* (* (* zi (- 1.0 ux)) ux) maxCos))))
\begin{array}{l}
\\
\mathsf{fma}\left(\cos \left(-2 \cdot \left(\mathsf{PI}\left(\right) \cdot uy\right)\right), xi, \mathsf{fma}\left(\left(yi \cdot \mathsf{PI}\left(\right)\right) \cdot uy, 2, \left(\left(zi \cdot \left(1 - ux\right)\right) \cdot ux\right) \cdot maxCos\right)\right)
\end{array}
Initial program 98.7%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites98.8%
Taylor expanded in uy around 0
Applied rewrites88.7%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(if (<= uy 0.0042500002309679985)
(fma
(* (- 1.0 ux) ux)
(* zi maxCos)
(fma (fma (* (* (* (PI) (PI)) xi) uy) -2.0 (* (* yi (PI)) 2.0)) uy xi))
(fma 1.0 xi (fma (sin (* (* (PI) uy) 2.0)) yi (* (* zi ux) maxCos)))))\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;uy \leq 0.0042500002309679985:\\
\;\;\;\;\mathsf{fma}\left(\left(1 - ux\right) \cdot ux, zi \cdot maxCos, \mathsf{fma}\left(\mathsf{fma}\left(\left(\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right)\right) \cdot xi\right) \cdot uy, -2, \left(yi \cdot \mathsf{PI}\left(\right)\right) \cdot 2\right), uy, xi\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(1, xi, \mathsf{fma}\left(\sin \left(\left(\mathsf{PI}\left(\right) \cdot uy\right) \cdot 2\right), yi, \left(zi \cdot ux\right) \cdot maxCos\right)\right)\\
\end{array}
\end{array}
if uy < 0.00425000023Initial program 99.2%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites99.3%
Taylor expanded in uy around 0
Applied rewrites97.8%
Applied rewrites97.9%
if 0.00425000023 < uy Initial program 97.0%
Taylor expanded in ux around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
lower-fma.f32N/A
Applied rewrites95.8%
Taylor expanded in uy around 0
Applied rewrites68.3%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(if (<= uy 0.05999999865889549)
(fma
(* (- 1.0 ux) ux)
(* zi maxCos)
(fma (fma (* (* (* (PI) (PI)) xi) uy) -2.0 (* (* yi (PI)) 2.0)) uy xi))
(fma (sin (* (* (PI) uy) 2.0)) yi (* (* zi ux) maxCos))))\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;uy \leq 0.05999999865889549:\\
\;\;\;\;\mathsf{fma}\left(\left(1 - ux\right) \cdot ux, zi \cdot maxCos, \mathsf{fma}\left(\mathsf{fma}\left(\left(\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right)\right) \cdot xi\right) \cdot uy, -2, \left(yi \cdot \mathsf{PI}\left(\right)\right) \cdot 2\right), uy, xi\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\sin \left(\left(\mathsf{PI}\left(\right) \cdot uy\right) \cdot 2\right), yi, \left(zi \cdot ux\right) \cdot maxCos\right)\\
\end{array}
\end{array}
if uy < 0.0599999987Initial program 99.0%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites99.2%
Taylor expanded in uy around 0
Applied rewrites92.5%
Applied rewrites92.6%
if 0.0599999987 < uy Initial program 95.7%
Taylor expanded in ux around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
lower-fma.f32N/A
Applied rewrites93.7%
Taylor expanded in xi around 0
Applied rewrites61.0%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (fma (* (- 1.0 ux) ux) (* zi maxCos) (fma (fma (* (* (* (PI) (PI)) xi) uy) -2.0 (* (* yi (PI)) 2.0)) uy xi)))
\begin{array}{l}
\\
\mathsf{fma}\left(\left(1 - ux\right) \cdot ux, zi \cdot maxCos, \mathsf{fma}\left(\mathsf{fma}\left(\left(\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right)\right) \cdot xi\right) \cdot uy, -2, \left(yi \cdot \mathsf{PI}\left(\right)\right) \cdot 2\right), uy, xi\right)\right)
\end{array}
Initial program 98.7%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites98.8%
Taylor expanded in uy around 0
Applied rewrites85.3%
Applied rewrites85.4%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (fma (* -2.0 (- (* (* (* (PI) (PI)) xi) uy) (* yi (PI)))) uy (fma (* maxCos ux) (* zi (- 1.0 ux)) xi)))
\begin{array}{l}
\\
\mathsf{fma}\left(-2 \cdot \left(\left(\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right)\right) \cdot xi\right) \cdot uy - yi \cdot \mathsf{PI}\left(\right)\right), uy, \mathsf{fma}\left(maxCos \cdot ux, zi \cdot \left(1 - ux\right), xi\right)\right)
\end{array}
Initial program 98.7%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites98.8%
Taylor expanded in xi around 0
Applied rewrites47.4%
Taylor expanded in uy around 0
Applied rewrites85.4%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (fma (* -2.0 (- (* (* (* (PI) (PI)) xi) uy) (* yi (PI)))) uy (fma (* maxCos ux) zi xi)))
\begin{array}{l}
\\
\mathsf{fma}\left(-2 \cdot \left(\left(\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right)\right) \cdot xi\right) \cdot uy - yi \cdot \mathsf{PI}\left(\right)\right), uy, \mathsf{fma}\left(maxCos \cdot ux, zi, xi\right)\right)
\end{array}
Initial program 98.7%
Taylor expanded in ux around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
lower-fma.f32N/A
Applied rewrites96.1%
Taylor expanded in uy around 0
Applied rewrites82.9%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (fma (* (* yi (PI)) uy) 2.0 (fma (* maxCos ux) (* zi (- 1.0 ux)) xi)))
\begin{array}{l}
\\
\mathsf{fma}\left(\left(yi \cdot \mathsf{PI}\left(\right)\right) \cdot uy, 2, \mathsf{fma}\left(maxCos \cdot ux, zi \cdot \left(1 - ux\right), xi\right)\right)
\end{array}
Initial program 98.7%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites98.8%
Taylor expanded in xi around 0
Applied rewrites47.4%
Taylor expanded in uy around 0
Applied rewrites81.8%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (if (or (<= yi -2.7819999637301862e-9) (not (<= yi 1.1999999620013451e-14))) (* (* (* yi (PI)) uy) 2.0) (fma (* maxCos ux) (* zi (- 1.0 ux)) xi)))
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;yi \leq -2.7819999637301862 \cdot 10^{-9} \lor \neg \left(yi \leq 1.1999999620013451 \cdot 10^{-14}\right):\\
\;\;\;\;\left(\left(yi \cdot \mathsf{PI}\left(\right)\right) \cdot uy\right) \cdot 2\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(maxCos \cdot ux, zi \cdot \left(1 - ux\right), xi\right)\\
\end{array}
\end{array}
if yi < -2.78199996e-9 or 1.19999996e-14 < yi Initial program 98.5%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites98.6%
Taylor expanded in uy around 0
Applied rewrites80.2%
Taylor expanded in yi around inf
Applied rewrites59.2%
if -2.78199996e-9 < yi < 1.19999996e-14Initial program 98.8%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites99.0%
Taylor expanded in uy around 0
Applied rewrites67.0%
Final simplification64.1%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (if (or (<= yi -2.7819999637301862e-9) (not (<= yi 1.1999999620013451e-14))) (* (* (* yi (PI)) uy) 2.0) (fma (* maxCos ux) zi xi)))
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;yi \leq -2.7819999637301862 \cdot 10^{-9} \lor \neg \left(yi \leq 1.1999999620013451 \cdot 10^{-14}\right):\\
\;\;\;\;\left(\left(yi \cdot \mathsf{PI}\left(\right)\right) \cdot uy\right) \cdot 2\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(maxCos \cdot ux, zi, xi\right)\\
\end{array}
\end{array}
if yi < -2.78199996e-9 or 1.19999996e-14 < yi Initial program 98.5%
Taylor expanded in maxCos around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
Applied rewrites98.6%
Taylor expanded in uy around 0
Applied rewrites80.2%
Taylor expanded in yi around inf
Applied rewrites59.2%
if -2.78199996e-9 < yi < 1.19999996e-14Initial program 98.8%
Taylor expanded in ux around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
lower-fma.f32N/A
Applied rewrites95.0%
Taylor expanded in uy around 0
Applied rewrites64.3%
Final simplification62.4%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (fma (* (* yi (PI)) uy) 2.0 (fma (* maxCos ux) zi xi)))
\begin{array}{l}
\\
\mathsf{fma}\left(\left(yi \cdot \mathsf{PI}\left(\right)\right) \cdot uy, 2, \mathsf{fma}\left(maxCos \cdot ux, zi, xi\right)\right)
\end{array}
Initial program 98.7%
Taylor expanded in ux around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
lower-fma.f32N/A
Applied rewrites96.1%
Taylor expanded in uy around 0
Applied rewrites79.3%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (fma (* maxCos ux) zi xi))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return fmaf((maxCos * ux), zi, xi);
}
function code(xi, yi, zi, ux, uy, maxCos) return fma(Float32(maxCos * ux), zi, xi) end
\begin{array}{l}
\\
\mathsf{fma}\left(maxCos \cdot ux, zi, xi\right)
\end{array}
Initial program 98.7%
Taylor expanded in ux around 0
+-commutativeN/A
associate-+l+N/A
*-commutativeN/A
lower-fma.f32N/A
cos-neg-revN/A
lower-cos.f32N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-PI.f32N/A
*-commutativeN/A
lower-fma.f32N/A
Applied rewrites96.1%
Taylor expanded in uy around 0
Applied rewrites47.9%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (* (* zi ux) maxCos))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return (zi * ux) * maxCos;
}
module fmin_fmax_functions
implicit none
private
public fmax
public fmin
interface fmax
module procedure fmax88
module procedure fmax44
module procedure fmax84
module procedure fmax48
end interface
interface fmin
module procedure fmin88
module procedure fmin44
module procedure fmin84
module procedure fmin48
end interface
contains
real(8) function fmax88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(4) function fmax44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(8) function fmax84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmax48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
end function
real(8) function fmin88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(4) function fmin44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(8) function fmin84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmin48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
end function
end module
real(4) function code(xi, yi, zi, ux, uy, maxcos)
use fmin_fmax_functions
real(4), intent (in) :: xi
real(4), intent (in) :: yi
real(4), intent (in) :: zi
real(4), intent (in) :: ux
real(4), intent (in) :: uy
real(4), intent (in) :: maxcos
code = (zi * ux) * maxcos
end function
function code(xi, yi, zi, ux, uy, maxCos) return Float32(Float32(zi * ux) * maxCos) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = (zi * ux) * maxCos; end
\begin{array}{l}
\\
\left(zi \cdot ux\right) \cdot maxCos
\end{array}
Initial program 98.7%
Taylor expanded in zi around inf
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower--.f3213.6
Applied rewrites13.6%
Taylor expanded in ux around 0
Applied rewrites12.5%
herbie shell --seed 2024356
(FPCore (xi yi zi ux uy maxCos)
:name "UniformSampleCone 2"
:precision binary32
:pre (and (and (and (and (and (and (<= -10000.0 xi) (<= xi 10000.0)) (and (<= -10000.0 yi) (<= yi 10000.0))) (and (<= -10000.0 zi) (<= zi 10000.0))) (and (<= 2.328306437e-10 ux) (<= ux 1.0))) (and (<= 2.328306437e-10 uy) (<= uy 1.0))) (and (<= 0.0 maxCos) (<= maxCos 1.0)))
(+ (+ (* (* (cos (* (* uy 2.0) (PI))) (sqrt (- 1.0 (* (* (* (- 1.0 ux) maxCos) ux) (* (* (- 1.0 ux) maxCos) ux))))) xi) (* (* (sin (* (* uy 2.0) (PI))) (sqrt (- 1.0 (* (* (* (- 1.0 ux) maxCos) ux) (* (* (- 1.0 ux) maxCos) ux))))) yi)) (* (* (* (- 1.0 ux) maxCos) ux) zi)))