
(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 10 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 (* (* (PI) angle) 0.005555555555555556)))
(if (<= y-scale_m 2.7e+76)
(*
(* (* (sqrt 2.0) (hypot (* (sin t_0) b) (* (cos t_0) a))) x-scale_m)
(* (pow (pow 8.0 0.25) 2.0) 0.25))
(*
(sqrt
(*
(fma (* a a) (pow (sin t_1) 2.0) (* (pow (cos t_1) 2.0) (* b b)))
2.0))
(* (* (sqrt 8.0) y-scale_m) 0.25)))))\begin{array}{l}
y-scale_m = \left|y-scale\right|
\\
x-scale_m = \left|x-scale\right|
\\
\begin{array}{l}
t_0 := \left(0.005555555555555556 \cdot angle\right) \cdot \mathsf{PI}\left(\right)\\
t_1 := \left(\mathsf{PI}\left(\right) \cdot angle\right) \cdot 0.005555555555555556\\
\mathbf{if}\;y-scale\_m \leq 2.7 \cdot 10^{+76}:\\
\;\;\;\;\left(\left(\sqrt{2} \cdot \mathsf{hypot}\left(\sin t\_0 \cdot b, \cos t\_0 \cdot a\right)\right) \cdot x-scale\_m\right) \cdot \left({\left({8}^{0.25}\right)}^{2} \cdot 0.25\right)\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\mathsf{fma}\left(a \cdot a, {\sin t\_1}^{2}, {\cos t\_1}^{2} \cdot \left(b \cdot b\right)\right) \cdot 2} \cdot \left(\left(\sqrt{8} \cdot y-scale\_m\right) \cdot 0.25\right)\\
\end{array}
\end{array}
if y-scale < 2.6999999999999999e76Initial program 3.9%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites21.2%
Applied rewrites20.8%
Applied rewrites22.6%
Applied rewrites22.6%
if 2.6999999999999999e76 < y-scale Initial program 6.2%
Taylor expanded in x-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites64.8%
Final simplification31.0%
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
(let* ((t_0 (* (* (PI) angle) 0.005555555555555556))
(t_1 (sin t_0))
(t_2 (cos t_0)))
(if (<= y-scale_m 2.7e+76)
(*
(hypot (* t_2 a) (* t_1 b))
(* (* (* (sqrt 2.0) x-scale_m) (sqrt 8.0)) 0.25))
(*
(sqrt (* (fma (* a a) (pow t_1 2.0) (* (pow t_2 2.0) (* b b))) 2.0))
(* (* (sqrt 8.0) y-scale_m) 0.25)))))\begin{array}{l}
y-scale_m = \left|y-scale\right|
\\
x-scale_m = \left|x-scale\right|
\\
\begin{array}{l}
t_0 := \left(\mathsf{PI}\left(\right) \cdot angle\right) \cdot 0.005555555555555556\\
t_1 := \sin t\_0\\
t_2 := \cos t\_0\\
\mathbf{if}\;y-scale\_m \leq 2.7 \cdot 10^{+76}:\\
\;\;\;\;\mathsf{hypot}\left(t\_2 \cdot a, t\_1 \cdot b\right) \cdot \left(\left(\left(\sqrt{2} \cdot x-scale\_m\right) \cdot \sqrt{8}\right) \cdot 0.25\right)\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\mathsf{fma}\left(a \cdot a, {t\_1}^{2}, {t\_2}^{2} \cdot \left(b \cdot b\right)\right) \cdot 2} \cdot \left(\left(\sqrt{8} \cdot y-scale\_m\right) \cdot 0.25\right)\\
\end{array}
\end{array}
if y-scale < 2.6999999999999999e76Initial program 3.9%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites21.2%
Applied rewrites20.8%
Taylor expanded in angle around inf
Applied rewrites22.6%
if 2.6999999999999999e76 < y-scale Initial program 6.2%
Taylor expanded in x-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites64.8%
Final simplification31.0%
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 3.5e-18)
(* b y-scale_m)
(*
(*
(*
(hypot
(*
(*
(fma
(* (* angle angle) -2.8577960676726107e-8)
(pow (PI) 3.0)
(* 0.005555555555555556 (PI)))
angle)
b)
(* (cos (* (* 0.005555555555555556 angle) (PI))) a))
(sqrt 2.0))
x-scale_m)
(* (sqrt 8.0) 0.25))))\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 3.5 \cdot 10^{-18}:\\
\;\;\;\;b \cdot y-scale\_m\\
\mathbf{else}:\\
\;\;\;\;\left(\left(\mathsf{hypot}\left(\left(\mathsf{fma}\left(\left(angle \cdot angle\right) \cdot -2.8577960676726107 \cdot 10^{-8}, {\mathsf{PI}\left(\right)}^{3}, 0.005555555555555556 \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot b, \cos \left(\left(0.005555555555555556 \cdot angle\right) \cdot \mathsf{PI}\left(\right)\right) \cdot a\right) \cdot \sqrt{2}\right) \cdot x-scale\_m\right) \cdot \left(\sqrt{8} \cdot 0.25\right)\\
\end{array}
\end{array}
if x-scale < 3.4999999999999999e-18Initial program 5.1%
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.f6421.6
Applied rewrites21.6%
Applied rewrites21.7%
Taylor expanded in b around 0
Applied rewrites21.7%
if 3.4999999999999999e-18 < x-scale Initial program 1.9%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites59.4%
Applied rewrites59.5%
Applied rewrites61.5%
Taylor expanded in angle around 0
Applied rewrites64.3%
Final simplification32.2%
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 1.9e+28)
(* b y-scale_m)
(*
(*
(*
(hypot
(* (* (* (PI) angle) 0.005555555555555556) b)
(* (cos (* (* 0.005555555555555556 angle) (PI))) a))
(sqrt 2.0))
x-scale_m)
(* (sqrt 8.0) 0.25))))\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 1.9 \cdot 10^{+28}:\\
\;\;\;\;b \cdot y-scale\_m\\
\mathbf{else}:\\
\;\;\;\;\left(\left(\mathsf{hypot}\left(\left(\left(\mathsf{PI}\left(\right) \cdot angle\right) \cdot 0.005555555555555556\right) \cdot b, \cos \left(\left(0.005555555555555556 \cdot angle\right) \cdot \mathsf{PI}\left(\right)\right) \cdot a\right) \cdot \sqrt{2}\right) \cdot x-scale\_m\right) \cdot \left(\sqrt{8} \cdot 0.25\right)\\
\end{array}
\end{array}
if x-scale < 1.8999999999999999e28Initial program 5.0%
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.f6421.6
Applied rewrites21.6%
Applied rewrites21.7%
Taylor expanded in b around 0
Applied rewrites21.7%
if 1.8999999999999999e28 < x-scale Initial program 2.1%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites62.3%
Applied rewrites62.4%
Applied rewrites63.2%
Taylor expanded in angle around 0
Applied rewrites66.6%
Final simplification31.9%
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
(if (<= x-scale_m 3.15e+41)
(* b y-scale_m)
(*
(*
(*
(hypot (* (sin (* (* 0.005555555555555556 angle) (PI))) b) (* 1.0 a))
(sqrt 2.0))
x-scale_m)
(* (sqrt 8.0) 0.25))))\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 3.15 \cdot 10^{+41}:\\
\;\;\;\;b \cdot y-scale\_m\\
\mathbf{else}:\\
\;\;\;\;\left(\left(\mathsf{hypot}\left(\sin \left(\left(0.005555555555555556 \cdot angle\right) \cdot \mathsf{PI}\left(\right)\right) \cdot b, 1 \cdot a\right) \cdot \sqrt{2}\right) \cdot x-scale\_m\right) \cdot \left(\sqrt{8} \cdot 0.25\right)\\
\end{array}
\end{array}
if x-scale < 3.1499999999999999e41Initial program 4.8%
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.f6422.0
Applied rewrites22.0%
Applied rewrites22.1%
Taylor expanded in b around 0
Applied rewrites22.1%
if 3.1499999999999999e41 < x-scale Initial program 2.3%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites61.6%
Applied rewrites61.7%
Applied rewrites67.4%
Taylor expanded in angle around 0
Applied rewrites67.4%
Final simplification31.3%
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 8.0) x-scale_m) 0.25)))
(if (<= a 1.62e-99)
(* b y-scale_m)
(if (<= a 1.4e+138)
(*
(fma
(sqrt 2.0)
a
(/
(*
(*
(fma 3.08641975308642e-5 (* b b) (* -3.08641975308642e-5 (* a a)))
(* (PI) (PI)))
(* angle angle))
(* (sqrt 2.0) a)))
t_0)
(* (exp (* (log (* (* a a) 2.0)) 0.5)) t_0)))))\begin{array}{l}
y-scale_m = \left|y-scale\right|
\\
x-scale_m = \left|x-scale\right|
\\
\begin{array}{l}
t_0 := \left(\sqrt{8} \cdot x-scale\_m\right) \cdot 0.25\\
\mathbf{if}\;a \leq 1.62 \cdot 10^{-99}:\\
\;\;\;\;b \cdot y-scale\_m\\
\mathbf{elif}\;a \leq 1.4 \cdot 10^{+138}:\\
\;\;\;\;\mathsf{fma}\left(\sqrt{2}, a, \frac{\left(\mathsf{fma}\left(3.08641975308642 \cdot 10^{-5}, b \cdot b, -3.08641975308642 \cdot 10^{-5} \cdot \left(a \cdot a\right)\right) \cdot \left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right)\right)\right) \cdot \left(angle \cdot angle\right)}{\sqrt{2} \cdot a}\right) \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;e^{\log \left(\left(a \cdot a\right) \cdot 2\right) \cdot 0.5} \cdot t\_0\\
\end{array}
\end{array}
if a < 1.62e-99Initial program 3.3%
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.f6423.5
Applied rewrites23.5%
Applied rewrites23.7%
Taylor expanded in b around 0
Applied rewrites23.7%
if 1.62e-99 < a < 1.4e138Initial program 9.8%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites28.6%
Applied rewrites24.4%
Taylor expanded in angle around 0
Applied rewrites28.4%
if 1.4e138 < a Initial program 0.1%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites34.4%
Applied rewrites37.4%
Taylor expanded in angle around 0
Applied rewrites37.4%
Final simplification26.5%
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 5.2e+67)
(* b y-scale_m)
(*
(/ (* (sqrt 2.0) a) y-scale_m)
(* (* (* (sqrt 8.0) y-scale_m) x-scale_m) 0.25))))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 <= 5.2e+67) {
tmp = b * y_45_scale_m;
} else {
tmp = ((sqrt(2.0) * a) / y_45_scale_m) * (((sqrt(8.0) * y_45_scale_m) * x_45_scale_m) * 0.25);
}
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 <= 5.2d+67) then
tmp = b * y_45scale_m
else
tmp = ((sqrt(2.0d0) * a) / y_45scale_m) * (((sqrt(8.0d0) * y_45scale_m) * x_45scale_m) * 0.25d0)
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 <= 5.2e+67) {
tmp = b * y_45_scale_m;
} else {
tmp = ((Math.sqrt(2.0) * a) / y_45_scale_m) * (((Math.sqrt(8.0) * y_45_scale_m) * x_45_scale_m) * 0.25);
}
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 <= 5.2e+67: tmp = b * y_45_scale_m else: tmp = ((math.sqrt(2.0) * a) / y_45_scale_m) * (((math.sqrt(8.0) * y_45_scale_m) * x_45_scale_m) * 0.25) 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 <= 5.2e+67) tmp = Float64(b * y_45_scale_m); else tmp = Float64(Float64(Float64(sqrt(2.0) * a) / y_45_scale_m) * Float64(Float64(Float64(sqrt(8.0) * y_45_scale_m) * x_45_scale_m) * 0.25)); 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 <= 5.2e+67) tmp = b * y_45_scale_m; else tmp = ((sqrt(2.0) * a) / y_45_scale_m) * (((sqrt(8.0) * y_45_scale_m) * x_45_scale_m) * 0.25); 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, 5.2e+67], N[(b * y$45$scale$95$m), $MachinePrecision], N[(N[(N[(N[Sqrt[2.0], $MachinePrecision] * a), $MachinePrecision] / y$45$scale$95$m), $MachinePrecision] * N[(N[(N[(N[Sqrt[8.0], $MachinePrecision] * y$45$scale$95$m), $MachinePrecision] * x$45$scale$95$m), $MachinePrecision] * 0.25), $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 5.2 \cdot 10^{+67}:\\
\;\;\;\;b \cdot y-scale\_m\\
\mathbf{else}:\\
\;\;\;\;\frac{\sqrt{2} \cdot a}{y-scale\_m} \cdot \left(\left(\left(\sqrt{8} \cdot y-scale\_m\right) \cdot x-scale\_m\right) \cdot 0.25\right)\\
\end{array}
\end{array}
if x-scale < 5.2000000000000001e67Initial program 5.2%
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.f6422.0
Applied rewrites22.0%
Applied rewrites22.1%
Taylor expanded in b around 0
Applied rewrites22.1%
if 5.2000000000000001e67 < x-scale Initial program 0.5%
Taylor expanded in b around 0
Applied rewrites6.1%
Taylor expanded in angle around 0
Applied rewrites25.2%
Final simplification22.7%
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 5.2e+67) (* b y-scale_m) (* (* (sqrt 2.0) a) (* (* (sqrt 8.0) x-scale_m) 0.25))))
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 <= 5.2e+67) {
tmp = b * y_45_scale_m;
} else {
tmp = (sqrt(2.0) * a) * ((sqrt(8.0) * x_45_scale_m) * 0.25);
}
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 <= 5.2d+67) then
tmp = b * y_45scale_m
else
tmp = (sqrt(2.0d0) * a) * ((sqrt(8.0d0) * x_45scale_m) * 0.25d0)
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 <= 5.2e+67) {
tmp = b * y_45_scale_m;
} else {
tmp = (Math.sqrt(2.0) * a) * ((Math.sqrt(8.0) * x_45_scale_m) * 0.25);
}
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 <= 5.2e+67: tmp = b * y_45_scale_m else: tmp = (math.sqrt(2.0) * a) * ((math.sqrt(8.0) * x_45_scale_m) * 0.25) 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 <= 5.2e+67) tmp = Float64(b * y_45_scale_m); else tmp = Float64(Float64(sqrt(2.0) * a) * Float64(Float64(sqrt(8.0) * x_45_scale_m) * 0.25)); 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 <= 5.2e+67) tmp = b * y_45_scale_m; else tmp = (sqrt(2.0) * a) * ((sqrt(8.0) * x_45_scale_m) * 0.25); 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, 5.2e+67], N[(b * y$45$scale$95$m), $MachinePrecision], N[(N[(N[Sqrt[2.0], $MachinePrecision] * a), $MachinePrecision] * N[(N[(N[Sqrt[8.0], $MachinePrecision] * x$45$scale$95$m), $MachinePrecision] * 0.25), $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 5.2 \cdot 10^{+67}:\\
\;\;\;\;b \cdot y-scale\_m\\
\mathbf{else}:\\
\;\;\;\;\left(\sqrt{2} \cdot a\right) \cdot \left(\left(\sqrt{8} \cdot x-scale\_m\right) \cdot 0.25\right)\\
\end{array}
\end{array}
if x-scale < 5.2000000000000001e67Initial program 5.2%
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.f6422.0
Applied rewrites22.0%
Applied rewrites22.1%
Taylor expanded in b around 0
Applied rewrites22.1%
if 5.2000000000000001e67 < x-scale Initial program 0.5%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites62.6%
Taylor expanded in angle around 0
Applied rewrites28.1%
Final simplification23.2%
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 5.2e+67) (* b y-scale_m) (* (* 0.25 a) (* (* (sqrt 2.0) x-scale_m) (sqrt 8.0)))))
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 <= 5.2e+67) {
tmp = b * y_45_scale_m;
} else {
tmp = (0.25 * a) * ((sqrt(2.0) * x_45_scale_m) * sqrt(8.0));
}
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 <= 5.2d+67) then
tmp = b * y_45scale_m
else
tmp = (0.25d0 * a) * ((sqrt(2.0d0) * x_45scale_m) * sqrt(8.0d0))
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 <= 5.2e+67) {
tmp = b * y_45_scale_m;
} else {
tmp = (0.25 * a) * ((Math.sqrt(2.0) * x_45_scale_m) * Math.sqrt(8.0));
}
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 <= 5.2e+67: tmp = b * y_45_scale_m else: tmp = (0.25 * a) * ((math.sqrt(2.0) * x_45_scale_m) * math.sqrt(8.0)) 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 <= 5.2e+67) tmp = Float64(b * y_45_scale_m); else tmp = Float64(Float64(0.25 * a) * Float64(Float64(sqrt(2.0) * x_45_scale_m) * sqrt(8.0))); 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 <= 5.2e+67) tmp = b * y_45_scale_m; else tmp = (0.25 * a) * ((sqrt(2.0) * x_45_scale_m) * sqrt(8.0)); 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, 5.2e+67], N[(b * y$45$scale$95$m), $MachinePrecision], N[(N[(0.25 * a), $MachinePrecision] * N[(N[(N[Sqrt[2.0], $MachinePrecision] * x$45$scale$95$m), $MachinePrecision] * N[Sqrt[8.0], $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 5.2 \cdot 10^{+67}:\\
\;\;\;\;b \cdot y-scale\_m\\
\mathbf{else}:\\
\;\;\;\;\left(0.25 \cdot a\right) \cdot \left(\left(\sqrt{2} \cdot x-scale\_m\right) \cdot \sqrt{8}\right)\\
\end{array}
\end{array}
if x-scale < 5.2000000000000001e67Initial program 5.2%
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.f6422.0
Applied rewrites22.0%
Applied rewrites22.1%
Taylor expanded in b around 0
Applied rewrites22.1%
if 5.2000000000000001e67 < x-scale Initial program 0.5%
Taylor expanded in y-scale around 0
associate-*r*N/A
lower-*.f64N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f64N/A
distribute-lft-outN/A
lower-*.f64N/A
Applied rewrites62.6%
Applied rewrites62.7%
Taylor expanded in angle around 0
Applied rewrites28.0%
Final simplification23.2%
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 (* b y-scale_m))
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 b * y_45_scale_m;
}
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 = b * y_45scale_m
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 b * y_45_scale_m;
}
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 b * y_45_scale_m
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(b * y_45_scale_m) 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 = b * y_45_scale_m; 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[(b * y$45$scale$95$m), $MachinePrecision]
\begin{array}{l}
y-scale_m = \left|y-scale\right|
\\
x-scale_m = \left|x-scale\right|
\\
b \cdot y-scale\_m
\end{array}
Initial program 4.3%
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.f6419.8
Applied rewrites19.8%
Applied rewrites19.9%
Taylor expanded in b around 0
Applied rewrites19.9%
Final simplification19.9%
herbie shell --seed 2024283
(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))))