
(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 9 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)))
(if (<= x-scale_m 0.0115)
(*
0.25
(*
(hypot (* 1.0 b) (* (sin (* (PI) (* 0.005555555555555556 angle))) a))
(* y-scale_m 4.0)))
(*
(hypot (* (sin t_0) b) (* (cos t_0) a))
(* (* (sqrt 8.0) (* (sqrt 2.0) 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}
t_0 := \left(\mathsf{PI}\left(\right) \cdot angle\right) \cdot 0.005555555555555556\\
\mathbf{if}\;x-scale\_m \leq 0.0115:\\
\;\;\;\;0.25 \cdot \left(\mathsf{hypot}\left(1 \cdot b, \sin \left(\mathsf{PI}\left(\right) \cdot \left(0.005555555555555556 \cdot angle\right)\right) \cdot a\right) \cdot \left(y-scale\_m \cdot 4\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{hypot}\left(\sin t\_0 \cdot b, \cos t\_0 \cdot a\right) \cdot \left(\left(\sqrt{8} \cdot \left(\sqrt{2} \cdot x-scale\_m\right)\right) \cdot 0.25\right)\\
\end{array}
\end{array}
if x-scale < 0.0115Initial program 2.9%
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 rewrites23.8%
Applied rewrites28.5%
Taylor expanded in angle around 0
Applied rewrites29.2%
Applied rewrites29.2%
if 0.0115 < x-scale Initial program 4.7%
Taylor expanded in x-scale around inf
Applied rewrites24.3%
Taylor expanded in angle around 0
Applied rewrites6.4%
Taylor expanded in y-scale around 0
Applied rewrites61.9%
Final simplification37.6%
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 7.6e+99)
(*
(*
(hypot (* 1.0 b) (* (sin (/ (* (PI) angle) 180.0)) a))
(* y-scale_m 4.0))
0.25)
(*
(/ (sqrt 2.0) y-scale_m)
(* (* (* (* (sqrt 8.0) y-scale_m) x-scale_m) a) 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 7.6 \cdot 10^{+99}:\\
\;\;\;\;\left(\mathsf{hypot}\left(1 \cdot b, \sin \left(\frac{\mathsf{PI}\left(\right) \cdot angle}{180}\right) \cdot a\right) \cdot \left(y-scale\_m \cdot 4\right)\right) \cdot 0.25\\
\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 < 7.6e99Initial program 3.2%
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 rewrites23.1%
Applied rewrites27.9%
Taylor expanded in angle around 0
Applied rewrites28.5%
Applied rewrites28.6%
if 7.6e99 < x-scale Initial program 4.4%
Taylor expanded in a around inf
Applied rewrites17.2%
Taylor expanded in angle around 0
Applied rewrites26.1%
Final simplification28.1%
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 7.6e+99)
(*
0.25
(*
(hypot (* 1.0 b) (* (sin (* (PI) (* 0.005555555555555556 angle))) a))
(* y-scale_m 4.0)))
(*
(/ (sqrt 2.0) y-scale_m)
(* (* (* (* (sqrt 8.0) y-scale_m) x-scale_m) a) 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 7.6 \cdot 10^{+99}:\\
\;\;\;\;0.25 \cdot \left(\mathsf{hypot}\left(1 \cdot b, \sin \left(\mathsf{PI}\left(\right) \cdot \left(0.005555555555555556 \cdot angle\right)\right) \cdot a\right) \cdot \left(y-scale\_m \cdot 4\right)\right)\\
\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 < 7.6e99Initial program 3.2%
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 rewrites23.1%
Applied rewrites27.9%
Taylor expanded in angle around 0
Applied rewrites28.5%
Applied rewrites28.5%
if 7.6e99 < x-scale Initial program 4.4%
Taylor expanded in a around inf
Applied rewrites17.2%
Taylor expanded in angle around 0
Applied rewrites26.1%
Final simplification28.1%
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 7.6e+99)
(*
(*
(hypot (* 1.0 b) (* (sin (* (* (PI) angle) 0.005555555555555556)) a))
(* y-scale_m 4.0))
0.25)
(*
(/ (sqrt 2.0) y-scale_m)
(* (* (* (* (sqrt 8.0) y-scale_m) x-scale_m) a) 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 7.6 \cdot 10^{+99}:\\
\;\;\;\;\left(\mathsf{hypot}\left(1 \cdot b, \sin \left(\left(\mathsf{PI}\left(\right) \cdot angle\right) \cdot 0.005555555555555556\right) \cdot a\right) \cdot \left(y-scale\_m \cdot 4\right)\right) \cdot 0.25\\
\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 < 7.6e99Initial program 3.2%
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 rewrites23.1%
Applied rewrites27.9%
Taylor expanded in angle around 0
Applied rewrites28.5%
if 7.6e99 < x-scale Initial program 4.4%
Taylor expanded in a around inf
Applied rewrites17.2%
Taylor expanded in angle around 0
Applied rewrites26.1%
Final simplification28.1%
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 6.2e+102)
(*
(*
(hypot (* 1.0 b) (* (* (* (PI) angle) 0.005555555555555556) a))
(* y-scale_m 4.0))
0.25)
(*
(/ (sqrt 2.0) y-scale_m)
(* (* (* (* (sqrt 8.0) y-scale_m) x-scale_m) a) 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 6.2 \cdot 10^{+102}:\\
\;\;\;\;\left(\mathsf{hypot}\left(1 \cdot b, \left(\left(\mathsf{PI}\left(\right) \cdot angle\right) \cdot 0.005555555555555556\right) \cdot a\right) \cdot \left(y-scale\_m \cdot 4\right)\right) \cdot 0.25\\
\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 < 6.19999999999999973e102Initial program 3.2%
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 rewrites23.1%
Applied rewrites27.9%
Taylor expanded in angle around 0
Applied rewrites28.5%
Taylor expanded in angle around 0
Applied rewrites28.6%
if 6.19999999999999973e102 < x-scale Initial program 4.4%
Taylor expanded in a around inf
Applied rewrites17.2%
Taylor expanded in angle around 0
Applied rewrites26.1%
Final simplification28.1%
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 (<= a 6.8e+39)
(* y-scale_m b)
(*
(/ (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 (a <= 6.8e+39) {
tmp = y_45_scale_m * b;
} 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 (a <= 6.8d+39) then
tmp = y_45scale_m * b
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 (a <= 6.8e+39) {
tmp = y_45_scale_m * b;
} 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 a <= 6.8e+39: tmp = y_45_scale_m * b 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 (a <= 6.8e+39) tmp = Float64(y_45_scale_m * b); 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 (a <= 6.8e+39) tmp = y_45_scale_m * b; 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[a, 6.8e+39], N[(y$45$scale$95$m * b), $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}\;a \leq 6.8 \cdot 10^{+39}:\\
\;\;\;\;y-scale\_m \cdot b\\
\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 a < 6.7999999999999998e39Initial program 3.8%
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 rewrites23.8%
Applied rewrites26.1%
Taylor expanded in angle around 0
Applied rewrites22.1%
if 6.7999999999999998e39 < a Initial program 2.0%
Taylor expanded in a around inf
Applied rewrites20.7%
Taylor expanded in angle around 0
Applied rewrites21.7%
Final simplification22.0%
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 (<= a 6.5e+39) (* y-scale_m b) (* (* 0.25 a) (* (sqrt 8.0) (* (sqrt 2.0) x-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 (a <= 6.5e+39) {
tmp = y_45_scale_m * b;
} else {
tmp = (0.25 * a) * (sqrt(8.0) * (sqrt(2.0) * x_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 (a <= 6.5d+39) then
tmp = y_45scale_m * b
else
tmp = (0.25d0 * a) * (sqrt(8.0d0) * (sqrt(2.0d0) * x_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 (a <= 6.5e+39) {
tmp = y_45_scale_m * b;
} else {
tmp = (0.25 * a) * (Math.sqrt(8.0) * (Math.sqrt(2.0) * x_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 a <= 6.5e+39: tmp = y_45_scale_m * b else: tmp = (0.25 * a) * (math.sqrt(8.0) * (math.sqrt(2.0) * x_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 (a <= 6.5e+39) tmp = Float64(y_45_scale_m * b); else tmp = Float64(Float64(0.25 * a) * Float64(sqrt(8.0) * Float64(sqrt(2.0) * x_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 (a <= 6.5e+39) tmp = y_45_scale_m * b; else tmp = (0.25 * a) * (sqrt(8.0) * (sqrt(2.0) * x_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[a, 6.5e+39], N[(y$45$scale$95$m * b), $MachinePrecision], N[(N[(0.25 * a), $MachinePrecision] * N[(N[Sqrt[8.0], $MachinePrecision] * N[(N[Sqrt[2.0], $MachinePrecision] * x$45$scale$95$m), $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}\;a \leq 6.5 \cdot 10^{+39}:\\
\;\;\;\;y-scale\_m \cdot b\\
\mathbf{else}:\\
\;\;\;\;\left(0.25 \cdot a\right) \cdot \left(\sqrt{8} \cdot \left(\sqrt{2} \cdot x-scale\_m\right)\right)\\
\end{array}
\end{array}
if a < 6.5000000000000001e39Initial program 3.8%
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 rewrites23.8%
Applied rewrites26.1%
Taylor expanded in angle around 0
Applied rewrites22.1%
if 6.5000000000000001e39 < a Initial program 2.0%
Taylor expanded in a around inf
Applied rewrites20.7%
Taylor expanded in angle around 0
Applied rewrites23.6%
Final simplification22.4%
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 (* (* (* y-scale_m 4.0) b) 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) {
return ((y_45_scale_m * 4.0) * b) * 0.25;
}
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 * 4.0d0) * b) * 0.25d0
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 * 4.0) * b) * 0.25;
}
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 * 4.0) * b) * 0.25
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(Float64(Float64(y_45_scale_m * 4.0) * b) * 0.25) 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 * 4.0) * b) * 0.25; 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[(N[(N[(y$45$scale$95$m * 4.0), $MachinePrecision] * b), $MachinePrecision] * 0.25), $MachinePrecision]
\begin{array}{l}
y-scale_m = \left|y-scale\right|
\\
x-scale_m = \left|x-scale\right|
\\
\left(\left(y-scale\_m \cdot 4\right) \cdot b\right) \cdot 0.25
\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.f6419.5
Applied rewrites19.5%
Applied rewrites19.6%
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 (* 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 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 rewrites22.9%
Applied rewrites25.4%
Taylor expanded in angle around 0
Applied rewrites19.6%
Final simplification19.6%
herbie shell --seed 2024276
(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))))