
(FPCore (z)
:precision binary64
(let* ((t_0 (- (- 1.0 z) 1.0)) (t_1 (+ t_0 7.0)) (t_2 (+ t_1 0.5)))
(*
(/ (PI) (sin (* (PI) z)))
(*
(* (* (sqrt (* (PI) 2.0)) (pow t_2 (+ t_0 0.5))) (exp (- t_2)))
(+
(+
(+
(+
(+
(+
(+
(+ 0.9999999999998099 (/ 676.5203681218851 (+ t_0 1.0)))
(/ -1259.1392167224028 (+ t_0 2.0)))
(/ 771.3234287776531 (+ t_0 3.0)))
(/ -176.6150291621406 (+ t_0 4.0)))
(/ 12.507343278686905 (+ t_0 5.0)))
(/ -0.13857109526572012 (+ t_0 6.0)))
(/ 9.984369578019572e-6 t_1))
(/ 1.5056327351493116e-7 (+ t_0 8.0)))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - z\right) - 1\\
t_1 := t\_0 + 7\\
t_2 := t\_1 + 0.5\\
\frac{\mathsf{PI}\left(\right)}{\sin \left(\mathsf{PI}\left(\right) \cdot z\right)} \cdot \left(\left(\left(\sqrt{\mathsf{PI}\left(\right) \cdot 2} \cdot {t\_2}^{\left(t\_0 + 0.5\right)}\right) \cdot e^{-t\_2}\right) \cdot \left(\left(\left(\left(\left(\left(\left(\left(0.9999999999998099 + \frac{676.5203681218851}{t\_0 + 1}\right) + \frac{-1259.1392167224028}{t\_0 + 2}\right) + \frac{771.3234287776531}{t\_0 + 3}\right) + \frac{-176.6150291621406}{t\_0 + 4}\right) + \frac{12.507343278686905}{t\_0 + 5}\right) + \frac{-0.13857109526572012}{t\_0 + 6}\right) + \frac{9.984369578019572 \cdot 10^{-6}}{t\_1}\right) + \frac{1.5056327351493116 \cdot 10^{-7}}{t\_0 + 8}\right)\right)
\end{array}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 11 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (z)
:precision binary64
(let* ((t_0 (- (- 1.0 z) 1.0)) (t_1 (+ t_0 7.0)) (t_2 (+ t_1 0.5)))
(*
(/ (PI) (sin (* (PI) z)))
(*
(* (* (sqrt (* (PI) 2.0)) (pow t_2 (+ t_0 0.5))) (exp (- t_2)))
(+
(+
(+
(+
(+
(+
(+
(+ 0.9999999999998099 (/ 676.5203681218851 (+ t_0 1.0)))
(/ -1259.1392167224028 (+ t_0 2.0)))
(/ 771.3234287776531 (+ t_0 3.0)))
(/ -176.6150291621406 (+ t_0 4.0)))
(/ 12.507343278686905 (+ t_0 5.0)))
(/ -0.13857109526572012 (+ t_0 6.0)))
(/ 9.984369578019572e-6 t_1))
(/ 1.5056327351493116e-7 (+ t_0 8.0)))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - z\right) - 1\\
t_1 := t\_0 + 7\\
t_2 := t\_1 + 0.5\\
\frac{\mathsf{PI}\left(\right)}{\sin \left(\mathsf{PI}\left(\right) \cdot z\right)} \cdot \left(\left(\left(\sqrt{\mathsf{PI}\left(\right) \cdot 2} \cdot {t\_2}^{\left(t\_0 + 0.5\right)}\right) \cdot e^{-t\_2}\right) \cdot \left(\left(\left(\left(\left(\left(\left(\left(0.9999999999998099 + \frac{676.5203681218851}{t\_0 + 1}\right) + \frac{-1259.1392167224028}{t\_0 + 2}\right) + \frac{771.3234287776531}{t\_0 + 3}\right) + \frac{-176.6150291621406}{t\_0 + 4}\right) + \frac{12.507343278686905}{t\_0 + 5}\right) + \frac{-0.13857109526572012}{t\_0 + 6}\right) + \frac{9.984369578019572 \cdot 10^{-6}}{t\_1}\right) + \frac{1.5056327351493116 \cdot 10^{-7}}{t\_0 + 8}\right)\right)
\end{array}
\end{array}
(FPCore (z)
:precision binary64
(let* ((t_0 (- (- 1.0 z) 1.0)) (t_1 (- (- 1.0 z) -1.0)))
(*
(/ (PI) (sin (* (PI) z)))
(*
(*
(* (* (pow (- 7.5 z) (- 0.5 z)) (sqrt (PI))) (sqrt 2.0))
(exp (- z 7.5)))
(+
(+
(+
(+
(+
(+
(+
(/
(fma 676.5203681218851 t_1 (* -1259.1392167224028 (- 1.0 z)))
(* t_1 (- 1.0 z)))
0.9999999999998099)
(/ 771.3234287776531 (+ t_0 3.0)))
(/ -176.6150291621406 (+ t_0 4.0)))
(/ 12.507343278686905 (+ t_0 5.0)))
(/ -0.13857109526572012 (+ t_0 6.0)))
(/ 9.984369578019572e-6 (+ t_0 7.0)))
(/ 1.5056327351493116e-7 (+ t_0 8.0)))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - z\right) - 1\\
t_1 := \left(1 - z\right) - -1\\
\frac{\mathsf{PI}\left(\right)}{\sin \left(\mathsf{PI}\left(\right) \cdot z\right)} \cdot \left(\left(\left(\left({\left(7.5 - z\right)}^{\left(0.5 - z\right)} \cdot \sqrt{\mathsf{PI}\left(\right)}\right) \cdot \sqrt{2}\right) \cdot e^{z - 7.5}\right) \cdot \left(\left(\left(\left(\left(\left(\left(\frac{\mathsf{fma}\left(676.5203681218851, t\_1, -1259.1392167224028 \cdot \left(1 - z\right)\right)}{t\_1 \cdot \left(1 - z\right)} + 0.9999999999998099\right) + \frac{771.3234287776531}{t\_0 + 3}\right) + \frac{-176.6150291621406}{t\_0 + 4}\right) + \frac{12.507343278686905}{t\_0 + 5}\right) + \frac{-0.13857109526572012}{t\_0 + 6}\right) + \frac{9.984369578019572 \cdot 10^{-6}}{t\_0 + 7}\right) + \frac{1.5056327351493116 \cdot 10^{-7}}{t\_0 + 8}\right)\right)
\end{array}
\end{array}
Initial program 96.9%
lift-+.f64N/A
lift-+.f64N/A
associate-+l+N/A
+-commutativeN/A
lower-+.f64N/A
Applied rewrites98.0%
lift-sqrt.f64N/A
pow1/2N/A
lift-*.f64N/A
unpow-prod-downN/A
metadata-evalN/A
pow-powN/A
lift-pow.f64N/A
pow1/3N/A
lift-cbrt.f64N/A
pow1/2N/A
lift-sqrt.f64N/A
lower-*.f6497.4
lift-cbrt.f64N/A
pow1/3N/A
lift-pow.f64N/A
pow-powN/A
metadata-evalN/A
pow1/2N/A
lift-sqrt.f6498.9
Applied rewrites98.9%
Taylor expanded in z around inf
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
lower-*.f64N/A
Applied rewrites98.9%
lift-+.f64N/A
lift-/.f64N/A
lift-/.f64N/A
frac-addN/A
lower-/.f64N/A
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
lower-*.f64N/A
lower-*.f6498.9
Applied rewrites98.9%
(FPCore (z)
:precision binary64
(let* ((t_0 (- (- 1.0 z) 1.0)))
(*
(/ (PI) (sin (* (PI) z)))
(*
(*
(* (* (pow (- 7.5 z) (- 0.5 z)) (sqrt (PI))) (sqrt 2.0))
(exp (- z 7.5)))
(+
(+
(+
(+
(+
(+
(+
(+
(/ -1259.1392167224028 (- (- 1.0 z) -1.0))
(/ 676.5203681218851 (- 1.0 z)))
0.9999999999998099)
(/ 771.3234287776531 (+ t_0 3.0)))
(/ -176.6150291621406 (+ t_0 4.0)))
(/ 12.507343278686905 (+ t_0 5.0)))
(/ -0.13857109526572012 (+ t_0 6.0)))
(/ 9.984369578019572e-6 (- 7.0 z)))
(/ 1.5056327351493116e-7 (+ t_0 8.0)))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - z\right) - 1\\
\frac{\mathsf{PI}\left(\right)}{\sin \left(\mathsf{PI}\left(\right) \cdot z\right)} \cdot \left(\left(\left(\left({\left(7.5 - z\right)}^{\left(0.5 - z\right)} \cdot \sqrt{\mathsf{PI}\left(\right)}\right) \cdot \sqrt{2}\right) \cdot e^{z - 7.5}\right) \cdot \left(\left(\left(\left(\left(\left(\left(\left(\frac{-1259.1392167224028}{\left(1 - z\right) - -1} + \frac{676.5203681218851}{1 - z}\right) + 0.9999999999998099\right) + \frac{771.3234287776531}{t\_0 + 3}\right) + \frac{-176.6150291621406}{t\_0 + 4}\right) + \frac{12.507343278686905}{t\_0 + 5}\right) + \frac{-0.13857109526572012}{t\_0 + 6}\right) + \frac{9.984369578019572 \cdot 10^{-6}}{7 - z}\right) + \frac{1.5056327351493116 \cdot 10^{-7}}{t\_0 + 8}\right)\right)
\end{array}
\end{array}
Initial program 96.9%
lift-+.f64N/A
lift-+.f64N/A
associate-+l+N/A
+-commutativeN/A
lower-+.f64N/A
Applied rewrites98.0%
lift-sqrt.f64N/A
pow1/2N/A
lift-*.f64N/A
unpow-prod-downN/A
metadata-evalN/A
pow-powN/A
lift-pow.f64N/A
pow1/3N/A
lift-cbrt.f64N/A
pow1/2N/A
lift-sqrt.f64N/A
lower-*.f6497.4
lift-cbrt.f64N/A
pow1/3N/A
lift-pow.f64N/A
pow-powN/A
metadata-evalN/A
pow1/2N/A
lift-sqrt.f6498.9
Applied rewrites98.9%
Taylor expanded in z around inf
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
lower-*.f64N/A
Applied rewrites98.9%
lift-+.f64N/A
+-commutativeN/A
lift--.f64N/A
lift--.f64N/A
associate--l-N/A
lift-+.f64N/A
associate-+r-N/A
metadata-evalN/A
lift-+.f64N/A
+-commutativeN/A
associate--r+N/A
metadata-evalN/A
lower--.f6498.9
Applied rewrites98.9%
(FPCore (z)
:precision binary64
(let* ((t_0 (- (- 1.0 z) 1.0)))
(*
(/ (PI) (sin (* (PI) z)))
(*
(*
(* (* (exp (+ -7.5 z)) (sqrt (PI))) (sqrt 2.0))
(pow (- 7.5 z) (- 0.5 z)))
(+
(+
(+
(+
(+
(+
(+
(fma
(fma
(fma 597.824167076735 z 519.1279660315847)
z
361.7355639412844)
z
46.9507597606837)
0.9999999999998099)
(/ 771.3234287776531 (+ t_0 3.0)))
(/ -176.6150291621406 (+ t_0 4.0)))
(/ 12.507343278686905 (+ t_0 5.0)))
(/ -0.13857109526572012 (+ t_0 6.0)))
(/ 9.984369578019572e-6 (+ t_0 7.0)))
(/ 1.5056327351493116e-7 (+ t_0 8.0)))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - z\right) - 1\\
\frac{\mathsf{PI}\left(\right)}{\sin \left(\mathsf{PI}\left(\right) \cdot z\right)} \cdot \left(\left(\left(\left(e^{-7.5 + z} \cdot \sqrt{\mathsf{PI}\left(\right)}\right) \cdot \sqrt{2}\right) \cdot {\left(7.5 - z\right)}^{\left(0.5 - z\right)}\right) \cdot \left(\left(\left(\left(\left(\left(\left(\mathsf{fma}\left(\mathsf{fma}\left(\mathsf{fma}\left(597.824167076735, z, 519.1279660315847\right), z, 361.7355639412844\right), z, 46.9507597606837\right) + 0.9999999999998099\right) + \frac{771.3234287776531}{t\_0 + 3}\right) + \frac{-176.6150291621406}{t\_0 + 4}\right) + \frac{12.507343278686905}{t\_0 + 5}\right) + \frac{-0.13857109526572012}{t\_0 + 6}\right) + \frac{9.984369578019572 \cdot 10^{-6}}{t\_0 + 7}\right) + \frac{1.5056327351493116 \cdot 10^{-7}}{t\_0 + 8}\right)\right)
\end{array}
\end{array}
Initial program 96.9%
lift-+.f64N/A
lift-+.f64N/A
associate-+l+N/A
+-commutativeN/A
lower-+.f64N/A
Applied rewrites98.0%
Taylor expanded in z around 0
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
lower--.f6498.1
Applied rewrites98.1%
Taylor expanded in z around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
lower-fma.f6497.5
Applied rewrites97.5%
Taylor expanded in z around -inf
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
*-commutativeN/A
Applied rewrites98.3%
(FPCore (z)
:precision binary64
(let* ((t_0 (- (- 1.0 z) 1.0)))
(*
(/ (PI) (sin (* (PI) z)))
(*
(*
(* (* (pow (- 7.5 z) (- 0.5 z)) (sqrt (PI))) (sqrt 2.0))
(exp (- z 7.5)))
(+
(+
(+
(+
(+
(+
(+
(fma
(fma 519.1279660315847 z 361.7355639412844)
z
46.9507597606837)
0.9999999999998099)
(/ 771.3234287776531 (+ t_0 3.0)))
(/ -176.6150291621406 (+ t_0 4.0)))
(/ 12.507343278686905 (+ t_0 5.0)))
(/ -0.13857109526572012 (+ t_0 6.0)))
(/ 9.984369578019572e-6 (+ t_0 7.0)))
(/ 1.5056327351493116e-7 (+ t_0 8.0)))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - z\right) - 1\\
\frac{\mathsf{PI}\left(\right)}{\sin \left(\mathsf{PI}\left(\right) \cdot z\right)} \cdot \left(\left(\left(\left({\left(7.5 - z\right)}^{\left(0.5 - z\right)} \cdot \sqrt{\mathsf{PI}\left(\right)}\right) \cdot \sqrt{2}\right) \cdot e^{z - 7.5}\right) \cdot \left(\left(\left(\left(\left(\left(\left(\mathsf{fma}\left(\mathsf{fma}\left(519.1279660315847, z, 361.7355639412844\right), z, 46.9507597606837\right) + 0.9999999999998099\right) + \frac{771.3234287776531}{t\_0 + 3}\right) + \frac{-176.6150291621406}{t\_0 + 4}\right) + \frac{12.507343278686905}{t\_0 + 5}\right) + \frac{-0.13857109526572012}{t\_0 + 6}\right) + \frac{9.984369578019572 \cdot 10^{-6}}{t\_0 + 7}\right) + \frac{1.5056327351493116 \cdot 10^{-7}}{t\_0 + 8}\right)\right)
\end{array}
\end{array}
Initial program 96.9%
lift-+.f64N/A
lift-+.f64N/A
associate-+l+N/A
+-commutativeN/A
lower-+.f64N/A
Applied rewrites98.0%
lift-sqrt.f64N/A
pow1/2N/A
lift-*.f64N/A
unpow-prod-downN/A
metadata-evalN/A
pow-powN/A
lift-pow.f64N/A
pow1/3N/A
lift-cbrt.f64N/A
pow1/2N/A
lift-sqrt.f64N/A
lower-*.f6497.4
lift-cbrt.f64N/A
pow1/3N/A
lift-pow.f64N/A
pow-powN/A
metadata-evalN/A
pow1/2N/A
lift-sqrt.f6498.9
Applied rewrites98.9%
Taylor expanded in z around inf
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
lower-*.f64N/A
Applied rewrites98.9%
Taylor expanded in z around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
lower-fma.f6498.2
Applied rewrites98.2%
(FPCore (z)
:precision binary64
(let* ((t_0 (- (- 1.0 z) 1.0)))
(*
(/ (PI) (sin (* (PI) z)))
(*
(*
(* (* (pow (- 7.5 z) (- 0.5 z)) (sqrt (PI))) (sqrt 2.0))
(exp (- z 7.5)))
(+
(+
(+
(+
(+
(+
(+ (fma 361.7355639412844 z 46.9507597606837) 0.9999999999998099)
(/ 771.3234287776531 (+ t_0 3.0)))
(/ -176.6150291621406 (+ t_0 4.0)))
(/ 12.507343278686905 (+ t_0 5.0)))
(/ -0.13857109526572012 (+ t_0 6.0)))
(/ 9.984369578019572e-6 (+ t_0 7.0)))
(/ 1.5056327351493116e-7 (+ t_0 8.0)))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - z\right) - 1\\
\frac{\mathsf{PI}\left(\right)}{\sin \left(\mathsf{PI}\left(\right) \cdot z\right)} \cdot \left(\left(\left(\left({\left(7.5 - z\right)}^{\left(0.5 - z\right)} \cdot \sqrt{\mathsf{PI}\left(\right)}\right) \cdot \sqrt{2}\right) \cdot e^{z - 7.5}\right) \cdot \left(\left(\left(\left(\left(\left(\left(\mathsf{fma}\left(361.7355639412844, z, 46.9507597606837\right) + 0.9999999999998099\right) + \frac{771.3234287776531}{t\_0 + 3}\right) + \frac{-176.6150291621406}{t\_0 + 4}\right) + \frac{12.507343278686905}{t\_0 + 5}\right) + \frac{-0.13857109526572012}{t\_0 + 6}\right) + \frac{9.984369578019572 \cdot 10^{-6}}{t\_0 + 7}\right) + \frac{1.5056327351493116 \cdot 10^{-7}}{t\_0 + 8}\right)\right)
\end{array}
\end{array}
Initial program 96.9%
lift-+.f64N/A
lift-+.f64N/A
associate-+l+N/A
+-commutativeN/A
lower-+.f64N/A
Applied rewrites98.0%
lift-sqrt.f64N/A
pow1/2N/A
lift-*.f64N/A
unpow-prod-downN/A
metadata-evalN/A
pow-powN/A
lift-pow.f64N/A
pow1/3N/A
lift-cbrt.f64N/A
pow1/2N/A
lift-sqrt.f64N/A
lower-*.f6497.4
lift-cbrt.f64N/A
pow1/3N/A
lift-pow.f64N/A
pow-powN/A
metadata-evalN/A
pow1/2N/A
lift-sqrt.f6498.9
Applied rewrites98.9%
Taylor expanded in z around inf
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
lower-*.f64N/A
Applied rewrites98.9%
Taylor expanded in z around 0
+-commutativeN/A
lower-fma.f6498.0
Applied rewrites98.0%
(FPCore (z)
:precision binary64
(let* ((t_0 (- (- 1.0 z) 1.0)))
(*
(/ (PI) (sin (* (PI) z)))
(*
(* (* (* (sqrt 7.5) (sqrt 2.0)) (exp -7.5)) (pow (* (PI) (PI)) 0.25))
(+
(+
(+
(+
(+
(+ 47.95075976068351 (/ 771.3234287776531 (+ t_0 3.0)))
(/ -176.6150291621406 4.0))
(/ 12.507343278686905 (+ t_0 5.0)))
(/ -0.13857109526572012 (+ t_0 6.0)))
(/ 9.984369578019572e-6 (+ t_0 7.0)))
(/ 1.5056327351493116e-7 (+ t_0 8.0)))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - z\right) - 1\\
\frac{\mathsf{PI}\left(\right)}{\sin \left(\mathsf{PI}\left(\right) \cdot z\right)} \cdot \left(\left(\left(\left(\sqrt{7.5} \cdot \sqrt{2}\right) \cdot e^{-7.5}\right) \cdot {\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right)\right)}^{0.25}\right) \cdot \left(\left(\left(\left(\left(\left(47.95075976068351 + \frac{771.3234287776531}{t\_0 + 3}\right) + \frac{-176.6150291621406}{4}\right) + \frac{12.507343278686905}{t\_0 + 5}\right) + \frac{-0.13857109526572012}{t\_0 + 6}\right) + \frac{9.984369578019572 \cdot 10^{-6}}{t\_0 + 7}\right) + \frac{1.5056327351493116 \cdot 10^{-7}}{t\_0 + 8}\right)\right)
\end{array}
\end{array}
Initial program 96.9%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
lower-exp.f64N/A
lower-sqrt.f64N/A
lower-PI.f6495.2
Applied rewrites95.2%
Taylor expanded in z around 0
Applied rewrites96.5%
Applied rewrites97.3%
Taylor expanded in z around 0
Applied rewrites97.3%
(FPCore (z)
:precision binary64
(let* ((t_0 (- (- 1.0 z) 1.0)))
(*
(/ (PI) (sin (* (PI) z)))
(*
(* (* (exp -7.5) (sqrt (PI))) (sqrt 15.0))
(+
(+
(+
(+
(+
(+ 47.95075976068351 (/ 771.3234287776531 (+ t_0 3.0)))
(/ -176.6150291621406 (+ t_0 4.0)))
(/ 12.507343278686905 (+ t_0 5.0)))
(/ -0.13857109526572012 (+ t_0 6.0)))
(/ 9.984369578019572e-6 (+ t_0 7.0)))
(/ 1.5056327351493116e-7 (+ t_0 8.0)))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - z\right) - 1\\
\frac{\mathsf{PI}\left(\right)}{\sin \left(\mathsf{PI}\left(\right) \cdot z\right)} \cdot \left(\left(\left(e^{-7.5} \cdot \sqrt{\mathsf{PI}\left(\right)}\right) \cdot \sqrt{15}\right) \cdot \left(\left(\left(\left(\left(\left(47.95075976068351 + \frac{771.3234287776531}{t\_0 + 3}\right) + \frac{-176.6150291621406}{t\_0 + 4}\right) + \frac{12.507343278686905}{t\_0 + 5}\right) + \frac{-0.13857109526572012}{t\_0 + 6}\right) + \frac{9.984369578019572 \cdot 10^{-6}}{t\_0 + 7}\right) + \frac{1.5056327351493116 \cdot 10^{-7}}{t\_0 + 8}\right)\right)
\end{array}
\end{array}
Initial program 96.9%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
lower-exp.f64N/A
lower-sqrt.f64N/A
lower-PI.f6495.2
Applied rewrites95.2%
Taylor expanded in z around 0
Applied rewrites96.5%
Applied rewrites97.3%
Applied rewrites97.3%
(FPCore (z)
:precision binary64
(let* ((t_0 (- (- 1.0 z) 1.0)))
(*
(/ (PI) (sin (* (PI) z)))
(*
(* (sqrt (* (PI) 15.0)) (exp -7.5))
(+
(+
(+
(+
(+
(+ 47.95075976068351 (/ 771.3234287776531 (+ t_0 3.0)))
(/ -176.6150291621406 4.0))
(/ 12.507343278686905 (+ t_0 5.0)))
(/ -0.13857109526572012 (+ t_0 6.0)))
(/ 9.984369578019572e-6 (+ t_0 7.0)))
(/ 1.5056327351493116e-7 (+ t_0 8.0)))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - z\right) - 1\\
\frac{\mathsf{PI}\left(\right)}{\sin \left(\mathsf{PI}\left(\right) \cdot z\right)} \cdot \left(\left(\sqrt{\mathsf{PI}\left(\right) \cdot 15} \cdot e^{-7.5}\right) \cdot \left(\left(\left(\left(\left(\left(47.95075976068351 + \frac{771.3234287776531}{t\_0 + 3}\right) + \frac{-176.6150291621406}{4}\right) + \frac{12.507343278686905}{t\_0 + 5}\right) + \frac{-0.13857109526572012}{t\_0 + 6}\right) + \frac{9.984369578019572 \cdot 10^{-6}}{t\_0 + 7}\right) + \frac{1.5056327351493116 \cdot 10^{-7}}{t\_0 + 8}\right)\right)
\end{array}
\end{array}
Initial program 96.9%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
lower-exp.f64N/A
lower-sqrt.f64N/A
lower-PI.f6495.2
Applied rewrites95.2%
Taylor expanded in z around 0
Applied rewrites96.5%
Applied rewrites96.5%
Taylor expanded in z around 0
Applied rewrites96.5%
(FPCore (z)
:precision binary64
(let* ((t_0 (- (- 1.0 z) 1.0)))
(*
(/ (PI) (sin (* (PI) z)))
(*
(* (sqrt (* (PI) 15.0)) (exp -7.5))
(+
(+
(+
(+
(+
(+ 47.95075976068351 (/ 771.3234287776531 3.0))
(/ -176.6150291621406 (+ t_0 4.0)))
(/ 12.507343278686905 (+ t_0 5.0)))
(/ -0.13857109526572012 (+ t_0 6.0)))
(/ 9.984369578019572e-6 (+ t_0 7.0)))
(/ 1.5056327351493116e-7 (+ t_0 8.0)))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - z\right) - 1\\
\frac{\mathsf{PI}\left(\right)}{\sin \left(\mathsf{PI}\left(\right) \cdot z\right)} \cdot \left(\left(\sqrt{\mathsf{PI}\left(\right) \cdot 15} \cdot e^{-7.5}\right) \cdot \left(\left(\left(\left(\left(\left(47.95075976068351 + \frac{771.3234287776531}{3}\right) + \frac{-176.6150291621406}{t\_0 + 4}\right) + \frac{12.507343278686905}{t\_0 + 5}\right) + \frac{-0.13857109526572012}{t\_0 + 6}\right) + \frac{9.984369578019572 \cdot 10^{-6}}{t\_0 + 7}\right) + \frac{1.5056327351493116 \cdot 10^{-7}}{t\_0 + 8}\right)\right)
\end{array}
\end{array}
Initial program 96.9%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
lower-exp.f64N/A
lower-sqrt.f64N/A
lower-PI.f6495.2
Applied rewrites95.2%
Taylor expanded in z around 0
Applied rewrites96.5%
Applied rewrites96.5%
Taylor expanded in z around 0
Applied rewrites96.4%
(FPCore (z)
:precision binary64
(let* ((t_0 (- (- 1.0 z) 1.0)))
(*
(/ (PI) (sin (* (PI) z)))
(*
(* (sqrt (* (PI) 15.0)) (exp -7.5))
(+
(+
(+
(+
(+
(+ 47.95075976068351 (fma 85.702603197517 z 257.107809592551))
(/ -176.6150291621406 (+ t_0 4.0)))
(/ 12.507343278686905 (+ t_0 5.0)))
(/ -0.13857109526572012 (+ t_0 6.0)))
(/ 9.984369578019572e-6 (+ t_0 7.0)))
(/ 1.5056327351493116e-7 (+ t_0 8.0)))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - z\right) - 1\\
\frac{\mathsf{PI}\left(\right)}{\sin \left(\mathsf{PI}\left(\right) \cdot z\right)} \cdot \left(\left(\sqrt{\mathsf{PI}\left(\right) \cdot 15} \cdot e^{-7.5}\right) \cdot \left(\left(\left(\left(\left(\left(47.95075976068351 + \mathsf{fma}\left(85.702603197517, z, 257.107809592551\right)\right) + \frac{-176.6150291621406}{t\_0 + 4}\right) + \frac{12.507343278686905}{t\_0 + 5}\right) + \frac{-0.13857109526572012}{t\_0 + 6}\right) + \frac{9.984369578019572 \cdot 10^{-6}}{t\_0 + 7}\right) + \frac{1.5056327351493116 \cdot 10^{-7}}{t\_0 + 8}\right)\right)
\end{array}
\end{array}
Initial program 96.9%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
lower-exp.f64N/A
lower-sqrt.f64N/A
lower-PI.f6495.2
Applied rewrites95.2%
Taylor expanded in z around 0
Applied rewrites96.5%
Applied rewrites96.5%
Taylor expanded in z around 0
+-commutativeN/A
lower-fma.f6495.3
Applied rewrites95.3%
(FPCore (z)
:precision binary64
(let* ((t_0 (- (- 1.0 z) 1.0)))
(*
(/ (PI) (sin (* (PI) z)))
(*
(* (sqrt (* (PI) 15.0)) (exp -7.5))
(+
(+
(+
(+
(+
(+ 47.95075976068351 257.107809592551)
(/ -176.6150291621406 (+ t_0 4.0)))
(/ 12.507343278686905 (+ t_0 5.0)))
(/ -0.13857109526572012 (+ t_0 6.0)))
(/ 9.984369578019572e-6 (+ t_0 7.0)))
(/ 1.5056327351493116e-7 (+ t_0 8.0)))))))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - z\right) - 1\\
\frac{\mathsf{PI}\left(\right)}{\sin \left(\mathsf{PI}\left(\right) \cdot z\right)} \cdot \left(\left(\sqrt{\mathsf{PI}\left(\right) \cdot 15} \cdot e^{-7.5}\right) \cdot \left(\left(\left(\left(\left(\left(47.95075976068351 + 257.107809592551\right) + \frac{-176.6150291621406}{t\_0 + 4}\right) + \frac{12.507343278686905}{t\_0 + 5}\right) + \frac{-0.13857109526572012}{t\_0 + 6}\right) + \frac{9.984369578019572 \cdot 10^{-6}}{t\_0 + 7}\right) + \frac{1.5056327351493116 \cdot 10^{-7}}{t\_0 + 8}\right)\right)
\end{array}
\end{array}
Initial program 96.9%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
lower-exp.f64N/A
lower-sqrt.f64N/A
lower-PI.f6495.2
Applied rewrites95.2%
Taylor expanded in z around 0
Applied rewrites96.5%
Applied rewrites96.5%
Taylor expanded in z around 0
Applied rewrites95.3%
herbie shell --seed 2024346
(FPCore (z)
:name "Jmat.Real.gamma, branch z less than 0.5"
:precision binary64
:pre (<= z 0.5)
(* (/ (PI) (sin (* (PI) z))) (* (* (* (sqrt (* (PI) 2.0)) (pow (+ (+ (- (- 1.0 z) 1.0) 7.0) 0.5) (+ (- (- 1.0 z) 1.0) 0.5))) (exp (- (+ (+ (- (- 1.0 z) 1.0) 7.0) 0.5)))) (+ (+ (+ (+ (+ (+ (+ (+ 0.9999999999998099 (/ 676.5203681218851 (+ (- (- 1.0 z) 1.0) 1.0))) (/ -1259.1392167224028 (+ (- (- 1.0 z) 1.0) 2.0))) (/ 771.3234287776531 (+ (- (- 1.0 z) 1.0) 3.0))) (/ -176.6150291621406 (+ (- (- 1.0 z) 1.0) 4.0))) (/ 12.507343278686905 (+ (- (- 1.0 z) 1.0) 5.0))) (/ -0.13857109526572012 (+ (- (- 1.0 z) 1.0) 6.0))) (/ 9.984369578019572e-6 (+ (- (- 1.0 z) 1.0) 7.0))) (/ 1.5056327351493116e-7 (+ (- (- 1.0 z) 1.0) 8.0))))))