
(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 11 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 (* (* (PI) angle) 0.005555555555555556)) (t_1 (sin t_0)))
(if (<= y-scale_m 1.25e+75)
(*
(* (sqrt 8.0) 0.25)
(* x-scale_m (* (pow (pow 2.0 0.25) 2.0) (hypot (* a 1.0) (* t_1 b)))))
(*
(sqrt
(* (fma (* b b) (pow (cos t_0) 2.0) (* (pow t_1 2.0) (* a a))) 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\\
\mathbf{if}\;y-scale\_m \leq 1.25 \cdot 10^{+75}:\\
\;\;\;\;\left(\sqrt{8} \cdot 0.25\right) \cdot \left(x-scale\_m \cdot \left({\left({2}^{0.25}\right)}^{2} \cdot \mathsf{hypot}\left(a \cdot 1, t\_1 \cdot b\right)\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\mathsf{fma}\left(b \cdot b, {\cos t\_0}^{2}, {t\_1}^{2} \cdot \left(a \cdot a\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 < 1.2500000000000001e75Initial program 1.2%
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 rewrites26.9%
Taylor expanded in angle around 0
Applied rewrites27.3%
Applied rewrites31.1%
Applied rewrites31.2%
if 1.2500000000000001e75 < y-scale Initial program 2.8%
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 rewrites66.5%
Final simplification37.3%
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
(if (<= x-scale_m 7.2e-93)
(* b y-scale_m)
(*
(* (sqrt 8.0) 0.25)
(*
x-scale_m
(*
(pow (pow 2.0 0.25) 2.0)
(hypot
(* a 1.0)
(* (sin (* (* (PI) angle) 0.005555555555555556)) 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 7.2 \cdot 10^{-93}:\\
\;\;\;\;b \cdot y-scale\_m\\
\mathbf{else}:\\
\;\;\;\;\left(\sqrt{8} \cdot 0.25\right) \cdot \left(x-scale\_m \cdot \left({\left({2}^{0.25}\right)}^{2} \cdot \mathsf{hypot}\left(a \cdot 1, \sin \left(\left(\mathsf{PI}\left(\right) \cdot angle\right) \cdot 0.005555555555555556\right) \cdot b\right)\right)\right)\\
\end{array}
\end{array}
if x-scale < 7.2000000000000003e-93Initial program 1.6%
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.f6421.2
Applied rewrites21.2%
Applied rewrites21.3%
Taylor expanded in b around 0
Applied rewrites21.3%
if 7.2000000000000003e-93 < x-scale Initial program 1.3%
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 rewrites54.7%
Taylor expanded in angle around 0
Applied rewrites55.6%
Applied rewrites65.5%
Applied rewrites65.7%
Final simplification36.8%
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 (PI))))
(if (<= x-scale_m 7.2e-93)
(* b y-scale_m)
(*
(*
(* (* (sqrt 8.0) x-scale_m) 0.25)
(hypot
(* (sin (* (* (* t_0 t_0) angle) 0.005555555555555556)) b)
(* (cos (* (* (PI) angle) 0.005555555555555556)) a)))
(sqrt 2.0)))))\begin{array}{l}
y-scale_m = \left|y-scale\right|
\\
x-scale_m = \left|x-scale\right|
\\
\begin{array}{l}
t_0 := \sqrt{\mathsf{PI}\left(\right)}\\
\mathbf{if}\;x-scale\_m \leq 7.2 \cdot 10^{-93}:\\
\;\;\;\;b \cdot y-scale\_m\\
\mathbf{else}:\\
\;\;\;\;\left(\left(\left(\sqrt{8} \cdot x-scale\_m\right) \cdot 0.25\right) \cdot \mathsf{hypot}\left(\sin \left(\left(\left(t\_0 \cdot t\_0\right) \cdot angle\right) \cdot 0.005555555555555556\right) \cdot b, \cos \left(\left(\mathsf{PI}\left(\right) \cdot angle\right) \cdot 0.005555555555555556\right) \cdot a\right)\right) \cdot \sqrt{2}\\
\end{array}
\end{array}
if x-scale < 7.2000000000000003e-93Initial program 1.6%
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.f6421.2
Applied rewrites21.2%
Applied rewrites21.3%
Taylor expanded in b around 0
Applied rewrites21.3%
if 7.2000000000000003e-93 < x-scale Initial program 1.3%
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 rewrites54.7%
Applied rewrites65.4%
Applied rewrites65.4%
Final simplification36.6%
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 7.2e-93)
(* b y-scale_m)
(*
(*
(sqrt 2.0)
(hypot (* a 1.0) (* (sin (* (* (PI) angle) 0.005555555555555556)) b)))
(* (* (sqrt 8.0) x-scale_m) 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 7.2 \cdot 10^{-93}:\\
\;\;\;\;b \cdot y-scale\_m\\
\mathbf{else}:\\
\;\;\;\;\left(\sqrt{2} \cdot \mathsf{hypot}\left(a \cdot 1, \sin \left(\left(\mathsf{PI}\left(\right) \cdot angle\right) \cdot 0.005555555555555556\right) \cdot b\right)\right) \cdot \left(\left(\sqrt{8} \cdot x-scale\_m\right) \cdot 0.25\right)\\
\end{array}
\end{array}
if x-scale < 7.2000000000000003e-93Initial program 1.6%
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.f6421.2
Applied rewrites21.2%
Applied rewrites21.3%
Taylor expanded in b around 0
Applied rewrites21.3%
if 7.2000000000000003e-93 < x-scale Initial program 1.3%
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 rewrites54.7%
Taylor expanded in angle around 0
Applied rewrites55.6%
Applied rewrites65.6%
Final simplification36.7%
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 7.2e-93)
(* b y-scale_m)
(*
(*
(*
(sqrt 2.0)
(hypot (* a 1.0) (* (sin (* (* (PI) angle) 0.005555555555555556)) b)))
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 7.2 \cdot 10^{-93}:\\
\;\;\;\;b \cdot y-scale\_m\\
\mathbf{else}:\\
\;\;\;\;\left(\left(\sqrt{2} \cdot \mathsf{hypot}\left(a \cdot 1, \sin \left(\left(\mathsf{PI}\left(\right) \cdot angle\right) \cdot 0.005555555555555556\right) \cdot b\right)\right) \cdot x-scale\_m\right) \cdot \left(\sqrt{8} \cdot 0.25\right)\\
\end{array}
\end{array}
if x-scale < 7.2000000000000003e-93Initial program 1.6%
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.f6421.2
Applied rewrites21.2%
Applied rewrites21.3%
Taylor expanded in b around 0
Applied rewrites21.3%
if 7.2000000000000003e-93 < x-scale Initial program 1.3%
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 rewrites54.7%
Taylor expanded in angle around 0
Applied rewrites55.6%
Applied rewrites65.5%
Final simplification36.7%
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 7.2e-93)
(* b y-scale_m)
(*
(*
(*
(hypot (* (sin (* (* (PI) 0.005555555555555556) angle)) b) (* a 1.0))
x-scale_m)
(sqrt 2.0))
(* (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 7.2 \cdot 10^{-93}:\\
\;\;\;\;b \cdot y-scale\_m\\
\mathbf{else}:\\
\;\;\;\;\left(\left(\mathsf{hypot}\left(\sin \left(\left(\mathsf{PI}\left(\right) \cdot 0.005555555555555556\right) \cdot angle\right) \cdot b, a \cdot 1\right) \cdot x-scale\_m\right) \cdot \sqrt{2}\right) \cdot \left(\sqrt{8} \cdot 0.25\right)\\
\end{array}
\end{array}
if x-scale < 7.2000000000000003e-93Initial program 1.6%
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.f6421.2
Applied rewrites21.2%
Applied rewrites21.3%
Taylor expanded in b around 0
Applied rewrites21.3%
if 7.2000000000000003e-93 < x-scale Initial program 1.3%
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 rewrites54.7%
Taylor expanded in angle around 0
Applied rewrites55.6%
Applied rewrites65.5%
Applied rewrites65.5%
Final simplification36.7%
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 2.1e-81)
(* b y-scale_m)
(*
(*
(hypot
(* (* (* (PI) angle) 0.005555555555555556) b)
(* (fma (* (* angle angle) -1.54320987654321e-5) (* (PI) (PI)) 1.0) a))
(* (* (sqrt 8.0) x-scale_m) 0.25))
(sqrt 2.0))))\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 2.1 \cdot 10^{-81}:\\
\;\;\;\;b \cdot y-scale\_m\\
\mathbf{else}:\\
\;\;\;\;\left(\mathsf{hypot}\left(\left(\left(\mathsf{PI}\left(\right) \cdot angle\right) \cdot 0.005555555555555556\right) \cdot b, \mathsf{fma}\left(\left(angle \cdot angle\right) \cdot -1.54320987654321 \cdot 10^{-5}, \mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right), 1\right) \cdot a\right) \cdot \left(\left(\sqrt{8} \cdot x-scale\_m\right) \cdot 0.25\right)\right) \cdot \sqrt{2}\\
\end{array}
\end{array}
if x-scale < 2.0999999999999999e-81Initial program 1.6%
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.f6420.9
Applied rewrites20.9%
Applied rewrites21.0%
Taylor expanded in b around 0
Applied rewrites21.0%
if 2.0999999999999999e-81 < x-scale Initial program 1.3%
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 rewrites55.2%
Applied rewrites66.2%
Taylor expanded in angle around 0
Applied rewrites64.7%
Taylor expanded in angle around 0
Applied rewrites62.9%
Final simplification35.1%
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 3.1e-38)
(* b y-scale_m)
(*
(/ (sqrt 2.0) y-scale_m)
(* (* (* (* (sqrt 8.0) y-scale_m) x-scale_m) a) 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 <= 3.1e-38) {
tmp = b * y_45_scale_m;
} else {
tmp = (sqrt(2.0) / y_45_scale_m) * ((((sqrt(8.0) * y_45_scale_m) * x_45_scale_m) * a) * 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 <= 3.1d-38) then
tmp = b * y_45scale_m
else
tmp = (sqrt(2.0d0) / y_45scale_m) * ((((sqrt(8.0d0) * y_45scale_m) * x_45scale_m) * a) * 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 <= 3.1e-38) {
tmp = b * y_45_scale_m;
} else {
tmp = (Math.sqrt(2.0) / y_45_scale_m) * ((((Math.sqrt(8.0) * y_45_scale_m) * x_45_scale_m) * a) * 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 <= 3.1e-38: tmp = b * y_45_scale_m else: tmp = (math.sqrt(2.0) / y_45_scale_m) * ((((math.sqrt(8.0) * y_45_scale_m) * x_45_scale_m) * a) * 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 <= 3.1e-38) tmp = Float64(b * y_45_scale_m); else tmp = Float64(Float64(sqrt(2.0) / y_45_scale_m) * Float64(Float64(Float64(Float64(sqrt(8.0) * y_45_scale_m) * x_45_scale_m) * a) * 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 <= 3.1e-38) tmp = b * y_45_scale_m; else tmp = (sqrt(2.0) / y_45_scale_m) * ((((sqrt(8.0) * y_45_scale_m) * x_45_scale_m) * a) * 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, 3.1e-38], N[(b * y$45$scale$95$m), $MachinePrecision], N[(N[(N[Sqrt[2.0], $MachinePrecision] / y$45$scale$95$m), $MachinePrecision] * N[(N[(N[(N[(N[Sqrt[8.0], $MachinePrecision] * y$45$scale$95$m), $MachinePrecision] * x$45$scale$95$m), $MachinePrecision] * a), $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 3.1 \cdot 10^{-38}:\\
\;\;\;\;b \cdot y-scale\_m\\
\mathbf{else}:\\
\;\;\;\;\frac{\sqrt{2}}{y-scale\_m} \cdot \left(\left(\left(\left(\sqrt{8} \cdot y-scale\_m\right) \cdot x-scale\_m\right) \cdot a\right) \cdot 0.25\right)\\
\end{array}
\end{array}
if x-scale < 3.09999999999999983e-38Initial program 1.5%
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.f6420.4
Applied rewrites20.4%
Applied rewrites20.5%
Taylor expanded in b around 0
Applied rewrites20.5%
if 3.09999999999999983e-38 < x-scale Initial program 1.5%
Taylor expanded in a around inf
Applied rewrites19.2%
Taylor expanded in angle around 0
Applied rewrites20.6%
Final simplification20.5%
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 (<= b 1.35e+100) (* (* (sqrt 2.0) a) (* (* (sqrt 8.0) x-scale_m) 0.25)) (* 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) {
double tmp;
if (b <= 1.35e+100) {
tmp = (sqrt(2.0) * a) * ((sqrt(8.0) * x_45_scale_m) * 0.25);
} else {
tmp = b * y_45_scale_m;
}
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 (b <= 1.35d+100) then
tmp = (sqrt(2.0d0) * a) * ((sqrt(8.0d0) * x_45scale_m) * 0.25d0)
else
tmp = b * y_45scale_m
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 (b <= 1.35e+100) {
tmp = (Math.sqrt(2.0) * a) * ((Math.sqrt(8.0) * x_45_scale_m) * 0.25);
} else {
tmp = b * y_45_scale_m;
}
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 b <= 1.35e+100: tmp = (math.sqrt(2.0) * a) * ((math.sqrt(8.0) * x_45_scale_m) * 0.25) else: tmp = b * y_45_scale_m 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 (b <= 1.35e+100) tmp = Float64(Float64(sqrt(2.0) * a) * Float64(Float64(sqrt(8.0) * x_45_scale_m) * 0.25)); else tmp = Float64(b * y_45_scale_m); 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 (b <= 1.35e+100) tmp = (sqrt(2.0) * a) * ((sqrt(8.0) * x_45_scale_m) * 0.25); else tmp = b * y_45_scale_m; 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[b, 1.35e+100], 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], 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|
\\
\begin{array}{l}
\mathbf{if}\;b \leq 1.35 \cdot 10^{+100}:\\
\;\;\;\;\left(\sqrt{2} \cdot a\right) \cdot \left(\left(\sqrt{8} \cdot x-scale\_m\right) \cdot 0.25\right)\\
\mathbf{else}:\\
\;\;\;\;b \cdot y-scale\_m\\
\end{array}
\end{array}
if b < 1.34999999999999999e100Initial program 1.2%
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 rewrites25.3%
Taylor expanded in angle around 0
Applied rewrites17.7%
if 1.34999999999999999e100 < b Initial program 2.5%
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.f6422.1
Applied rewrites22.1%
Applied rewrites22.2%
Taylor expanded in b around 0
Applied rewrites22.2%
Final simplification18.5%
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 (<= b 1.35e+100) (* (* (* (sqrt 2.0) x-scale_m) (sqrt 8.0)) (* 0.25 a)) (* 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) {
double tmp;
if (b <= 1.35e+100) {
tmp = ((sqrt(2.0) * x_45_scale_m) * sqrt(8.0)) * (0.25 * a);
} else {
tmp = b * y_45_scale_m;
}
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 (b <= 1.35d+100) then
tmp = ((sqrt(2.0d0) * x_45scale_m) * sqrt(8.0d0)) * (0.25d0 * a)
else
tmp = b * y_45scale_m
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 (b <= 1.35e+100) {
tmp = ((Math.sqrt(2.0) * x_45_scale_m) * Math.sqrt(8.0)) * (0.25 * a);
} else {
tmp = b * y_45_scale_m;
}
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 b <= 1.35e+100: tmp = ((math.sqrt(2.0) * x_45_scale_m) * math.sqrt(8.0)) * (0.25 * a) else: tmp = b * y_45_scale_m 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 (b <= 1.35e+100) tmp = Float64(Float64(Float64(sqrt(2.0) * x_45_scale_m) * sqrt(8.0)) * Float64(0.25 * a)); else tmp = Float64(b * y_45_scale_m); 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 (b <= 1.35e+100) tmp = ((sqrt(2.0) * x_45_scale_m) * sqrt(8.0)) * (0.25 * a); else tmp = b * y_45_scale_m; 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[b, 1.35e+100], N[(N[(N[(N[Sqrt[2.0], $MachinePrecision] * x$45$scale$95$m), $MachinePrecision] * N[Sqrt[8.0], $MachinePrecision]), $MachinePrecision] * N[(0.25 * a), $MachinePrecision]), $MachinePrecision], 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|
\\
\begin{array}{l}
\mathbf{if}\;b \leq 1.35 \cdot 10^{+100}:\\
\;\;\;\;\left(\left(\sqrt{2} \cdot x-scale\_m\right) \cdot \sqrt{8}\right) \cdot \left(0.25 \cdot a\right)\\
\mathbf{else}:\\
\;\;\;\;b \cdot y-scale\_m\\
\end{array}
\end{array}
if b < 1.34999999999999999e100Initial program 1.2%
Taylor expanded in a around inf
Applied rewrites13.4%
Taylor expanded in angle around 0
Applied rewrites17.7%
if 1.34999999999999999e100 < b Initial program 2.5%
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.f6422.1
Applied rewrites22.1%
Applied rewrites22.2%
Taylor expanded in b around 0
Applied rewrites22.2%
Final simplification18.5%
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 (* 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 1.5%
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.f6416.8
Applied rewrites16.8%
Applied rewrites16.9%
Taylor expanded in b around 0
Applied rewrites16.9%
herbie shell --seed 2024278
(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))))