
(FPCore (a b angle x-scale y-scale)
:precision binary64
(let* ((t_0 (* (/ angle 180.0) (PI)))
(t_1 (sin t_0))
(t_2 (cos t_0))
(t_3
(/ (/ (+ (pow (* a t_2) 2.0) (pow (* b t_1) 2.0)) y-scale) y-scale))
(t_4
(/ (/ (+ (pow (* a t_1) 2.0) (pow (* b t_2) 2.0)) x-scale) x-scale))
(t_5 (* (* b a) (* b (- a))))
(t_6 (/ (* 4.0 t_5) (pow (* x-scale y-scale) 2.0))))
(/
(-
(sqrt
(*
(* (* 2.0 t_6) t_5)
(+
(+ t_4 t_3)
(sqrt
(+
(pow (- t_4 t_3) 2.0)
(pow
(/
(/ (* (* (* 2.0 (- (pow b 2.0) (pow a 2.0))) t_1) t_2) x-scale)
y-scale)
2.0)))))))
t_6)))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{angle}{180} \cdot \mathsf{PI}\left(\right)\\
t_1 := \sin t\_0\\
t_2 := \cos t\_0\\
t_3 := \frac{\frac{{\left(a \cdot t\_2\right)}^{2} + {\left(b \cdot t\_1\right)}^{2}}{y-scale}}{y-scale}\\
t_4 := \frac{\frac{{\left(a \cdot t\_1\right)}^{2} + {\left(b \cdot t\_2\right)}^{2}}{x-scale}}{x-scale}\\
t_5 := \left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\\
t_6 := \frac{4 \cdot t\_5}{{\left(x-scale \cdot y-scale\right)}^{2}}\\
\frac{-\sqrt{\left(\left(2 \cdot t\_6\right) \cdot t\_5\right) \cdot \left(\left(t\_4 + t\_3\right) + \sqrt{{\left(t\_4 - t\_3\right)}^{2} + {\left(\frac{\frac{\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot t\_1\right) \cdot t\_2}{x-scale}}{y-scale}\right)}^{2}}\right)}}{t\_6}
\end{array}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 8 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (a b angle x-scale y-scale)
:precision binary64
(let* ((t_0 (* (/ angle 180.0) (PI)))
(t_1 (sin t_0))
(t_2 (cos t_0))
(t_3
(/ (/ (+ (pow (* a t_2) 2.0) (pow (* b t_1) 2.0)) y-scale) y-scale))
(t_4
(/ (/ (+ (pow (* a t_1) 2.0) (pow (* b t_2) 2.0)) x-scale) x-scale))
(t_5 (* (* b a) (* b (- a))))
(t_6 (/ (* 4.0 t_5) (pow (* x-scale y-scale) 2.0))))
(/
(-
(sqrt
(*
(* (* 2.0 t_6) t_5)
(+
(+ t_4 t_3)
(sqrt
(+
(pow (- t_4 t_3) 2.0)
(pow
(/
(/ (* (* (* 2.0 (- (pow b 2.0) (pow a 2.0))) t_1) t_2) x-scale)
y-scale)
2.0)))))))
t_6)))\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{angle}{180} \cdot \mathsf{PI}\left(\right)\\
t_1 := \sin t\_0\\
t_2 := \cos t\_0\\
t_3 := \frac{\frac{{\left(a \cdot t\_2\right)}^{2} + {\left(b \cdot t\_1\right)}^{2}}{y-scale}}{y-scale}\\
t_4 := \frac{\frac{{\left(a \cdot t\_1\right)}^{2} + {\left(b \cdot t\_2\right)}^{2}}{x-scale}}{x-scale}\\
t_5 := \left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\\
t_6 := \frac{4 \cdot t\_5}{{\left(x-scale \cdot y-scale\right)}^{2}}\\
\frac{-\sqrt{\left(\left(2 \cdot t\_6\right) \cdot t\_5\right) \cdot \left(\left(t\_4 + t\_3\right) + \sqrt{{\left(t\_4 - t\_3\right)}^{2} + {\left(\frac{\frac{\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot t\_1\right) \cdot t\_2}{x-scale}}{y-scale}\right)}^{2}}\right)}}{t\_6}
\end{array}
\end{array}
y-scale_m = (fabs.f64 y-scale)
x-scale_m = (fabs.f64 x-scale)
(FPCore (a b angle x-scale_m y-scale_m)
:precision binary64
(let* ((t_0 (* 0.005555555555555556 (* angle (PI)))) (t_1 (sin t_0)))
(if (<= x-scale_m 6.8e+48)
(*
(* 0.25 (* (* y-scale_m (sqrt 2.0)) (sqrt 8.0)))
(hypot (* a t_1) (* b (cos t_0))))
(*
(* (* x-scale_m 0.25) (* (sqrt 2.0) (sqrt 8.0)))
(hypot a (* t_1 b))))))\begin{array}{l}
y-scale_m = \left|y-scale\right|
\\
x-scale_m = \left|x-scale\right|
\\
\begin{array}{l}
t_0 := 0.005555555555555556 \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\\
t_1 := \sin t\_0\\
\mathbf{if}\;x-scale\_m \leq 6.8 \cdot 10^{+48}:\\
\;\;\;\;\left(0.25 \cdot \left(\left(y-scale\_m \cdot \sqrt{2}\right) \cdot \sqrt{8}\right)\right) \cdot \mathsf{hypot}\left(a \cdot t\_1, b \cdot \cos t\_0\right)\\
\mathbf{else}:\\
\;\;\;\;\left(\left(x-scale\_m \cdot 0.25\right) \cdot \left(\sqrt{2} \cdot \sqrt{8}\right)\right) \cdot \mathsf{hypot}\left(a, t\_1 \cdot b\right)\\
\end{array}
\end{array}
if x-scale < 6.8000000000000006e48Initial program 3.4%
Taylor expanded in y-scale around inf
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
Applied rewrites9.2%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
Applied rewrites9.2%
Taylor expanded in x-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
Applied rewrites25.9%
if 6.8000000000000006e48 < x-scale Initial program 3.5%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites56.4%
Applied rewrites64.7%
Taylor expanded in angle around 0
Applied rewrites64.7%
Taylor expanded in x-scale around 0
associate-*r*N/A
lower-*.f64N/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
+-commutativeN/A
unpow2N/A
unpow2N/A
unpow2N/A
unswap-sqrN/A
lower-hypot.f64N/A
Applied rewrites74.2%
Final simplification37.2%
y-scale_m = (fabs.f64 y-scale)
x-scale_m = (fabs.f64 x-scale)
(FPCore (a b angle x-scale_m y-scale_m)
:precision binary64
(if (<= x-scale_m 3.3e-56)
(* y-scale_m b)
(*
(* (* x-scale_m 0.25) (* (sqrt 2.0) (sqrt 8.0)))
(hypot a (* (sin (* 0.005555555555555556 (* angle (PI)))) b)))))\begin{array}{l}
y-scale_m = \left|y-scale\right|
\\
x-scale_m = \left|x-scale\right|
\\
\begin{array}{l}
\mathbf{if}\;x-scale\_m \leq 3.3 \cdot 10^{-56}:\\
\;\;\;\;y-scale\_m \cdot b\\
\mathbf{else}:\\
\;\;\;\;\left(\left(x-scale\_m \cdot 0.25\right) \cdot \left(\sqrt{2} \cdot \sqrt{8}\right)\right) \cdot \mathsf{hypot}\left(a, \sin \left(0.005555555555555556 \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right) \cdot b\right)\\
\end{array}
\end{array}
if x-scale < 3.29999999999999984e-56Initial program 3.2%
Taylor expanded in angle around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f6418.3
Applied rewrites18.3%
lift-*.f64N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
associate-*l*N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
sqrt-unprodN/A
metadata-evalN/A
metadata-evalN/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f6418.3
Applied rewrites18.3%
lift-*.f64N/A
lift-*.f64N/A
metadata-evalN/A
metadata-evalN/A
sqrt-unprodN/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
associate-*r*N/A
lift-*.f64N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
sqrt-unprodN/A
metadata-evalN/A
metadata-evalN/A
metadata-evalN/A
*-lft-identityN/A
*-commutativeN/A
lower-*.f6418.3
Applied rewrites18.3%
if 3.29999999999999984e-56 < x-scale Initial program 3.8%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites46.8%
Applied rewrites51.5%
Taylor expanded in angle around 0
Applied rewrites51.5%
Taylor expanded in x-scale around 0
associate-*r*N/A
lower-*.f64N/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
+-commutativeN/A
unpow2N/A
unpow2N/A
unpow2N/A
unswap-sqrN/A
lower-hypot.f64N/A
Applied rewrites60.3%
Final simplification32.4%
y-scale_m = (fabs.f64 y-scale)
x-scale_m = (fabs.f64 x-scale)
(FPCore (a b angle x-scale_m y-scale_m)
:precision binary64
(let* ((t_0 (* (sqrt 2.0) (sqrt 8.0)))
(t_1
(fma
3.858024691358025e-6
(/
(* (* angle angle) (* (* b b) (* t_0 (* x-scale_m (* (PI) (PI))))))
a)
(* 0.25 (* t_0 (* x-scale_m a)))))
(t_2 (* 0.005555555555555556 (* angle (PI)))))
(if (<= x-scale_m 1.65e-98)
(* y-scale_m b)
(if (<= x-scale_m 7.6e+39)
t_1
(if (<= x-scale_m 3.6e+154)
(*
(* 0.25 (* x-scale_m (sqrt 8.0)))
(sqrt (* 2.0 (fma (* t_2 b) (* (sin t_2) b) (* a a)))))
t_1)))))\begin{array}{l}
y-scale_m = \left|y-scale\right|
\\
x-scale_m = \left|x-scale\right|
\\
\begin{array}{l}
t_0 := \sqrt{2} \cdot \sqrt{8}\\
t_1 := \mathsf{fma}\left(3.858024691358025 \cdot 10^{-6}, \frac{\left(angle \cdot angle\right) \cdot \left(\left(b \cdot b\right) \cdot \left(t\_0 \cdot \left(x-scale\_m \cdot \left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right)\right)\right)\right)\right)}{a}, 0.25 \cdot \left(t\_0 \cdot \left(x-scale\_m \cdot a\right)\right)\right)\\
t_2 := 0.005555555555555556 \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\\
\mathbf{if}\;x-scale\_m \leq 1.65 \cdot 10^{-98}:\\
\;\;\;\;y-scale\_m \cdot b\\
\mathbf{elif}\;x-scale\_m \leq 7.6 \cdot 10^{+39}:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;x-scale\_m \leq 3.6 \cdot 10^{+154}:\\
\;\;\;\;\left(0.25 \cdot \left(x-scale\_m \cdot \sqrt{8}\right)\right) \cdot \sqrt{2 \cdot \mathsf{fma}\left(t\_2 \cdot b, \sin t\_2 \cdot b, a \cdot a\right)}\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
if x-scale < 1.6500000000000001e-98Initial program 2.8%
Taylor expanded in angle around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f6418.8
Applied rewrites18.8%
lift-*.f64N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
associate-*l*N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
sqrt-unprodN/A
metadata-evalN/A
metadata-evalN/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f6418.9
Applied rewrites18.9%
lift-*.f64N/A
lift-*.f64N/A
metadata-evalN/A
metadata-evalN/A
sqrt-unprodN/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
associate-*r*N/A
lift-*.f64N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
sqrt-unprodN/A
metadata-evalN/A
metadata-evalN/A
metadata-evalN/A
*-lft-identityN/A
*-commutativeN/A
lower-*.f6418.9
Applied rewrites18.9%
if 1.6500000000000001e-98 < x-scale < 7.5999999999999996e39 or 3.6000000000000001e154 < x-scale Initial program 3.3%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites47.0%
Applied rewrites45.9%
Taylor expanded in angle around 0
Applied rewrites45.9%
Taylor expanded in angle around 0
lower-fma.f64N/A
Applied rewrites33.1%
if 7.5999999999999996e39 < x-scale < 3.6000000000000001e154Initial program 7.8%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites47.4%
Applied rewrites58.6%
Taylor expanded in angle around 0
Applied rewrites58.6%
Taylor expanded in angle around 0
lower-*.f64N/A
lower-*.f64N/A
lower-PI.f6457.3
Applied rewrites57.3%
Final simplification26.8%
y-scale_m = (fabs.f64 y-scale)
x-scale_m = (fabs.f64 x-scale)
(FPCore (a b angle x-scale_m y-scale_m)
:precision binary64
(let* ((t_0 (* (sqrt 2.0) (sqrt 8.0))))
(if (<= x-scale_m 3.3e-56)
(* y-scale_m b)
(if (<= x-scale_m 5.5e+162)
(*
(* 0.25 (* (* x-scale_m a) (* y-scale_m (sqrt 8.0))))
(/ (sqrt 2.0) y-scale_m))
(fma
3.858024691358025e-6
(/
(* (* angle angle) (* (* b b) (* t_0 (* x-scale_m (* (PI) (PI))))))
a)
(* 0.25 (* t_0 (* x-scale_m a))))))))\begin{array}{l}
y-scale_m = \left|y-scale\right|
\\
x-scale_m = \left|x-scale\right|
\\
\begin{array}{l}
t_0 := \sqrt{2} \cdot \sqrt{8}\\
\mathbf{if}\;x-scale\_m \leq 3.3 \cdot 10^{-56}:\\
\;\;\;\;y-scale\_m \cdot b\\
\mathbf{elif}\;x-scale\_m \leq 5.5 \cdot 10^{+162}:\\
\;\;\;\;\left(0.25 \cdot \left(\left(x-scale\_m \cdot a\right) \cdot \left(y-scale\_m \cdot \sqrt{8}\right)\right)\right) \cdot \frac{\sqrt{2}}{y-scale\_m}\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(3.858024691358025 \cdot 10^{-6}, \frac{\left(angle \cdot angle\right) \cdot \left(\left(b \cdot b\right) \cdot \left(t\_0 \cdot \left(x-scale\_m \cdot \left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right)\right)\right)\right)\right)}{a}, 0.25 \cdot \left(t\_0 \cdot \left(x-scale\_m \cdot a\right)\right)\right)\\
\end{array}
\end{array}
if x-scale < 3.29999999999999984e-56Initial program 3.2%
Taylor expanded in angle around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f6418.3
Applied rewrites18.3%
lift-*.f64N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
associate-*l*N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
sqrt-unprodN/A
metadata-evalN/A
metadata-evalN/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f6418.3
Applied rewrites18.3%
lift-*.f64N/A
lift-*.f64N/A
metadata-evalN/A
metadata-evalN/A
sqrt-unprodN/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
associate-*r*N/A
lift-*.f64N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
sqrt-unprodN/A
metadata-evalN/A
metadata-evalN/A
metadata-evalN/A
*-lft-identityN/A
*-commutativeN/A
lower-*.f6418.3
Applied rewrites18.3%
if 3.29999999999999984e-56 < x-scale < 5.49999999999999966e162Initial program 6.1%
Taylor expanded in a around inf
Applied rewrites12.9%
Taylor expanded in angle around 0
lower-/.f64N/A
lower-sqrt.f6428.7
Applied rewrites28.7%
if 5.49999999999999966e162 < x-scale Initial program 0.1%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites61.8%
Applied rewrites67.8%
Taylor expanded in angle around 0
Applied rewrites67.9%
Taylor expanded in angle around 0
lower-fma.f64N/A
Applied rewrites36.9%
Final simplification22.9%
y-scale_m = (fabs.f64 y-scale)
x-scale_m = (fabs.f64 x-scale)
(FPCore (a b angle x-scale_m y-scale_m)
:precision binary64
(let* ((t_0 (* 0.25 (* x-scale_m (sqrt 8.0)))))
(if (<= b 7.8e-132)
(* t_0 (* (sqrt 2.0) a))
(if (<= b 4.8e+106)
(*
t_0
(sqrt
(*
2.0
(fma
(* (* angle angle) 3.08641975308642e-5)
(* (* b b) (* (PI) (PI)))
(* a a)))))
(* y-scale_m b)))))\begin{array}{l}
y-scale_m = \left|y-scale\right|
\\
x-scale_m = \left|x-scale\right|
\\
\begin{array}{l}
t_0 := 0.25 \cdot \left(x-scale\_m \cdot \sqrt{8}\right)\\
\mathbf{if}\;b \leq 7.8 \cdot 10^{-132}:\\
\;\;\;\;t\_0 \cdot \left(\sqrt{2} \cdot a\right)\\
\mathbf{elif}\;b \leq 4.8 \cdot 10^{+106}:\\
\;\;\;\;t\_0 \cdot \sqrt{2 \cdot \mathsf{fma}\left(\left(angle \cdot angle\right) \cdot 3.08641975308642 \cdot 10^{-5}, \left(b \cdot b\right) \cdot \left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right)\right), a \cdot a\right)}\\
\mathbf{else}:\\
\;\;\;\;y-scale\_m \cdot b\\
\end{array}
\end{array}
if b < 7.79999999999999964e-132Initial program 3.0%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites21.7%
Taylor expanded in angle around 0
lower-*.f64N/A
lower-sqrt.f6424.6
Applied rewrites24.6%
if 7.79999999999999964e-132 < b < 4.8000000000000001e106Initial program 5.5%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites27.4%
Applied rewrites28.2%
Taylor expanded in angle around 0
Applied rewrites28.2%
Taylor expanded in angle around 0
associate-*r*N/A
lower-fma.f64N/A
lower-*.f64N/A
unpow2N/A
lower-*.f64N/A
lower-*.f64N/A
unpow2N/A
lower-*.f64N/A
unpow2N/A
lower-*.f64N/A
lower-PI.f64N/A
lower-PI.f64N/A
unpow2N/A
lower-*.f6426.0
Applied rewrites26.0%
if 4.8000000000000001e106 < b Initial program 3.1%
Taylor expanded in angle around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f6441.6
Applied rewrites41.6%
lift-*.f64N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
associate-*l*N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
sqrt-unprodN/A
metadata-evalN/A
metadata-evalN/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f6441.7
Applied rewrites41.7%
lift-*.f64N/A
lift-*.f64N/A
metadata-evalN/A
metadata-evalN/A
sqrt-unprodN/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
associate-*r*N/A
lift-*.f64N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
sqrt-unprodN/A
metadata-evalN/A
metadata-evalN/A
metadata-evalN/A
*-lft-identityN/A
*-commutativeN/A
lower-*.f6441.7
Applied rewrites41.7%
Final simplification27.0%
y-scale_m = (fabs.f64 y-scale) x-scale_m = (fabs.f64 x-scale) (FPCore (a b angle x-scale_m y-scale_m) :precision binary64 (if (<= x-scale_m 3.6e-56) (* y-scale_m b) (* (* 0.25 (* x-scale_m (sqrt 8.0))) (* (sqrt 2.0) a))))
y-scale_m = fabs(y_45_scale);
x-scale_m = fabs(x_45_scale);
double code(double a, double b, double angle, double x_45_scale_m, double y_45_scale_m) {
double tmp;
if (x_45_scale_m <= 3.6e-56) {
tmp = y_45_scale_m * b;
} else {
tmp = (0.25 * (x_45_scale_m * sqrt(8.0))) * (sqrt(2.0) * a);
}
return tmp;
}
y-scale_m = abs(y_45scale)
x-scale_m = abs(x_45scale)
real(8) function code(a, b, angle, x_45scale_m, y_45scale_m)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: angle
real(8), intent (in) :: x_45scale_m
real(8), intent (in) :: y_45scale_m
real(8) :: tmp
if (x_45scale_m <= 3.6d-56) then
tmp = y_45scale_m * b
else
tmp = (0.25d0 * (x_45scale_m * sqrt(8.0d0))) * (sqrt(2.0d0) * a)
end if
code = tmp
end function
y-scale_m = Math.abs(y_45_scale);
x-scale_m = Math.abs(x_45_scale);
public static double code(double a, double b, double angle, double x_45_scale_m, double y_45_scale_m) {
double tmp;
if (x_45_scale_m <= 3.6e-56) {
tmp = y_45_scale_m * b;
} else {
tmp = (0.25 * (x_45_scale_m * Math.sqrt(8.0))) * (Math.sqrt(2.0) * a);
}
return tmp;
}
y-scale_m = math.fabs(y_45_scale) x-scale_m = math.fabs(x_45_scale) def code(a, b, angle, x_45_scale_m, y_45_scale_m): tmp = 0 if x_45_scale_m <= 3.6e-56: tmp = y_45_scale_m * b else: tmp = (0.25 * (x_45_scale_m * math.sqrt(8.0))) * (math.sqrt(2.0) * a) return tmp
y-scale_m = abs(y_45_scale) x-scale_m = abs(x_45_scale) function code(a, b, angle, x_45_scale_m, y_45_scale_m) tmp = 0.0 if (x_45_scale_m <= 3.6e-56) tmp = Float64(y_45_scale_m * b); else tmp = Float64(Float64(0.25 * Float64(x_45_scale_m * sqrt(8.0))) * Float64(sqrt(2.0) * a)); end return tmp end
y-scale_m = abs(y_45_scale); x-scale_m = abs(x_45_scale); function tmp_2 = code(a, b, angle, x_45_scale_m, y_45_scale_m) tmp = 0.0; if (x_45_scale_m <= 3.6e-56) tmp = y_45_scale_m * b; else tmp = (0.25 * (x_45_scale_m * sqrt(8.0))) * (sqrt(2.0) * a); end tmp_2 = tmp; end
y-scale_m = N[Abs[y$45$scale], $MachinePrecision] x-scale_m = N[Abs[x$45$scale], $MachinePrecision] code[a_, b_, angle_, x$45$scale$95$m_, y$45$scale$95$m_] := If[LessEqual[x$45$scale$95$m, 3.6e-56], N[(y$45$scale$95$m * b), $MachinePrecision], N[(N[(0.25 * N[(x$45$scale$95$m * N[Sqrt[8.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[Sqrt[2.0], $MachinePrecision] * a), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
y-scale_m = \left|y-scale\right|
\\
x-scale_m = \left|x-scale\right|
\\
\begin{array}{l}
\mathbf{if}\;x-scale\_m \leq 3.6 \cdot 10^{-56}:\\
\;\;\;\;y-scale\_m \cdot b\\
\mathbf{else}:\\
\;\;\;\;\left(0.25 \cdot \left(x-scale\_m \cdot \sqrt{8}\right)\right) \cdot \left(\sqrt{2} \cdot a\right)\\
\end{array}
\end{array}
if x-scale < 3.59999999999999978e-56Initial program 3.2%
Taylor expanded in angle around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f6418.3
Applied rewrites18.3%
lift-*.f64N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
associate-*l*N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
sqrt-unprodN/A
metadata-evalN/A
metadata-evalN/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f6418.3
Applied rewrites18.3%
lift-*.f64N/A
lift-*.f64N/A
metadata-evalN/A
metadata-evalN/A
sqrt-unprodN/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
associate-*r*N/A
lift-*.f64N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
sqrt-unprodN/A
metadata-evalN/A
metadata-evalN/A
metadata-evalN/A
*-lft-identityN/A
*-commutativeN/A
lower-*.f6418.3
Applied rewrites18.3%
if 3.59999999999999978e-56 < x-scale Initial program 3.8%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites46.8%
Taylor expanded in angle around 0
lower-*.f64N/A
lower-sqrt.f6425.5
Applied rewrites25.5%
Final simplification20.7%
y-scale_m = (fabs.f64 y-scale) x-scale_m = (fabs.f64 x-scale) (FPCore (a b angle x-scale_m y-scale_m) :precision binary64 (if (<= x-scale_m 3.6e-56) (* y-scale_m b) (* 0.25 (* (* (sqrt 2.0) (sqrt 8.0)) (* x-scale_m a)))))
y-scale_m = fabs(y_45_scale);
x-scale_m = fabs(x_45_scale);
double code(double a, double b, double angle, double x_45_scale_m, double y_45_scale_m) {
double tmp;
if (x_45_scale_m <= 3.6e-56) {
tmp = y_45_scale_m * b;
} else {
tmp = 0.25 * ((sqrt(2.0) * sqrt(8.0)) * (x_45_scale_m * a));
}
return tmp;
}
y-scale_m = abs(y_45scale)
x-scale_m = abs(x_45scale)
real(8) function code(a, b, angle, x_45scale_m, y_45scale_m)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: angle
real(8), intent (in) :: x_45scale_m
real(8), intent (in) :: y_45scale_m
real(8) :: tmp
if (x_45scale_m <= 3.6d-56) then
tmp = y_45scale_m * b
else
tmp = 0.25d0 * ((sqrt(2.0d0) * sqrt(8.0d0)) * (x_45scale_m * a))
end if
code = tmp
end function
y-scale_m = Math.abs(y_45_scale);
x-scale_m = Math.abs(x_45_scale);
public static double code(double a, double b, double angle, double x_45_scale_m, double y_45_scale_m) {
double tmp;
if (x_45_scale_m <= 3.6e-56) {
tmp = y_45_scale_m * b;
} else {
tmp = 0.25 * ((Math.sqrt(2.0) * Math.sqrt(8.0)) * (x_45_scale_m * a));
}
return tmp;
}
y-scale_m = math.fabs(y_45_scale) x-scale_m = math.fabs(x_45_scale) def code(a, b, angle, x_45_scale_m, y_45_scale_m): tmp = 0 if x_45_scale_m <= 3.6e-56: tmp = y_45_scale_m * b else: tmp = 0.25 * ((math.sqrt(2.0) * math.sqrt(8.0)) * (x_45_scale_m * a)) return tmp
y-scale_m = abs(y_45_scale) x-scale_m = abs(x_45_scale) function code(a, b, angle, x_45_scale_m, y_45_scale_m) tmp = 0.0 if (x_45_scale_m <= 3.6e-56) tmp = Float64(y_45_scale_m * b); else tmp = Float64(0.25 * Float64(Float64(sqrt(2.0) * sqrt(8.0)) * Float64(x_45_scale_m * a))); end return tmp end
y-scale_m = abs(y_45_scale); x-scale_m = abs(x_45_scale); function tmp_2 = code(a, b, angle, x_45_scale_m, y_45_scale_m) tmp = 0.0; if (x_45_scale_m <= 3.6e-56) tmp = y_45_scale_m * b; else tmp = 0.25 * ((sqrt(2.0) * sqrt(8.0)) * (x_45_scale_m * a)); end tmp_2 = tmp; end
y-scale_m = N[Abs[y$45$scale], $MachinePrecision] x-scale_m = N[Abs[x$45$scale], $MachinePrecision] code[a_, b_, angle_, x$45$scale$95$m_, y$45$scale$95$m_] := If[LessEqual[x$45$scale$95$m, 3.6e-56], N[(y$45$scale$95$m * b), $MachinePrecision], N[(0.25 * N[(N[(N[Sqrt[2.0], $MachinePrecision] * N[Sqrt[8.0], $MachinePrecision]), $MachinePrecision] * N[(x$45$scale$95$m * a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
y-scale_m = \left|y-scale\right|
\\
x-scale_m = \left|x-scale\right|
\\
\begin{array}{l}
\mathbf{if}\;x-scale\_m \leq 3.6 \cdot 10^{-56}:\\
\;\;\;\;y-scale\_m \cdot b\\
\mathbf{else}:\\
\;\;\;\;0.25 \cdot \left(\left(\sqrt{2} \cdot \sqrt{8}\right) \cdot \left(x-scale\_m \cdot a\right)\right)\\
\end{array}
\end{array}
if x-scale < 3.59999999999999978e-56Initial program 3.2%
Taylor expanded in angle around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f6418.3
Applied rewrites18.3%
lift-*.f64N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
associate-*l*N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
sqrt-unprodN/A
metadata-evalN/A
metadata-evalN/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f6418.3
Applied rewrites18.3%
lift-*.f64N/A
lift-*.f64N/A
metadata-evalN/A
metadata-evalN/A
sqrt-unprodN/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
associate-*r*N/A
lift-*.f64N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
sqrt-unprodN/A
metadata-evalN/A
metadata-evalN/A
metadata-evalN/A
*-lft-identityN/A
*-commutativeN/A
lower-*.f6418.3
Applied rewrites18.3%
if 3.59999999999999978e-56 < x-scale Initial program 3.8%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites46.8%
Taylor expanded in angle around 0
lower-*.f64N/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f6425.5
Applied rewrites25.5%
Final simplification20.7%
y-scale_m = (fabs.f64 y-scale) x-scale_m = (fabs.f64 x-scale) (FPCore (a b angle x-scale_m y-scale_m) :precision binary64 (* y-scale_m b))
y-scale_m = fabs(y_45_scale);
x-scale_m = fabs(x_45_scale);
double code(double a, double b, double angle, double x_45_scale_m, double y_45_scale_m) {
return y_45_scale_m * b;
}
y-scale_m = abs(y_45scale)
x-scale_m = abs(x_45scale)
real(8) function code(a, b, angle, x_45scale_m, y_45scale_m)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: angle
real(8), intent (in) :: x_45scale_m
real(8), intent (in) :: y_45scale_m
code = y_45scale_m * b
end function
y-scale_m = Math.abs(y_45_scale);
x-scale_m = Math.abs(x_45_scale);
public static double code(double a, double b, double angle, double x_45_scale_m, double y_45_scale_m) {
return y_45_scale_m * b;
}
y-scale_m = math.fabs(y_45_scale) x-scale_m = math.fabs(x_45_scale) def code(a, b, angle, x_45_scale_m, y_45_scale_m): return y_45_scale_m * b
y-scale_m = abs(y_45_scale) x-scale_m = abs(x_45_scale) function code(a, b, angle, x_45_scale_m, y_45_scale_m) return Float64(y_45_scale_m * b) end
y-scale_m = abs(y_45_scale); x-scale_m = abs(x_45_scale); function tmp = code(a, b, angle, x_45_scale_m, y_45_scale_m) tmp = y_45_scale_m * b; end
y-scale_m = N[Abs[y$45$scale], $MachinePrecision] x-scale_m = N[Abs[x$45$scale], $MachinePrecision] code[a_, b_, angle_, x$45$scale$95$m_, y$45$scale$95$m_] := N[(y$45$scale$95$m * b), $MachinePrecision]
\begin{array}{l}
y-scale_m = \left|y-scale\right|
\\
x-scale_m = \left|x-scale\right|
\\
y-scale\_m \cdot b
\end{array}
Initial program 3.4%
Taylor expanded in angle around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f6416.0
Applied rewrites16.0%
lift-*.f64N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
associate-*l*N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
sqrt-unprodN/A
metadata-evalN/A
metadata-evalN/A
associate-*r*N/A
lower-*.f64N/A
lower-*.f6416.1
Applied rewrites16.1%
lift-*.f64N/A
lift-*.f64N/A
metadata-evalN/A
metadata-evalN/A
sqrt-unprodN/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
associate-*r*N/A
lift-*.f64N/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
sqrt-unprodN/A
metadata-evalN/A
metadata-evalN/A
metadata-evalN/A
*-lft-identityN/A
*-commutativeN/A
lower-*.f6416.1
Applied rewrites16.1%
herbie shell --seed 2024219
(FPCore (a b angle x-scale y-scale)
:name "a from scale-rotated-ellipse"
:precision binary64
(/ (- (sqrt (* (* (* 2.0 (/ (* 4.0 (* (* b a) (* b (- a)))) (pow (* x-scale y-scale) 2.0))) (* (* b a) (* b (- a)))) (+ (+ (/ (/ (+ (pow (* a (sin (* (/ angle 180.0) (PI)))) 2.0) (pow (* b (cos (* (/ angle 180.0) (PI)))) 2.0)) x-scale) x-scale) (/ (/ (+ (pow (* a (cos (* (/ angle 180.0) (PI)))) 2.0) (pow (* b (sin (* (/ angle 180.0) (PI)))) 2.0)) y-scale) y-scale)) (sqrt (+ (pow (- (/ (/ (+ (pow (* a (sin (* (/ angle 180.0) (PI)))) 2.0) (pow (* b (cos (* (/ angle 180.0) (PI)))) 2.0)) x-scale) x-scale) (/ (/ (+ (pow (* a (cos (* (/ angle 180.0) (PI)))) 2.0) (pow (* b (sin (* (/ angle 180.0) (PI)))) 2.0)) y-scale) y-scale)) 2.0) (pow (/ (/ (* (* (* 2.0 (- (pow b 2.0) (pow a 2.0))) (sin (* (/ angle 180.0) (PI)))) (cos (* (/ angle 180.0) (PI)))) x-scale) y-scale) 2.0))))))) (/ (* 4.0 (* (* b a) (* b (- a)))) (pow (* x-scale y-scale) 2.0))))