
(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)))
double code(double a, double b, double angle, double x_45_scale, double y_45_scale) {
double t_0 = (angle / 180.0) * ((double) M_PI);
double t_1 = sin(t_0);
double t_2 = cos(t_0);
double t_3 = ((pow((a * t_2), 2.0) + pow((b * t_1), 2.0)) / y_45_scale) / y_45_scale;
double t_4 = ((pow((a * t_1), 2.0) + pow((b * t_2), 2.0)) / x_45_scale) / x_45_scale;
double t_5 = (b * a) * (b * -a);
double t_6 = (4.0 * t_5) / pow((x_45_scale * y_45_scale), 2.0);
return -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_45_scale) / y_45_scale), 2.0)))))) / t_6;
}
public static double code(double a, double b, double angle, double x_45_scale, double y_45_scale) {
double t_0 = (angle / 180.0) * Math.PI;
double t_1 = Math.sin(t_0);
double t_2 = Math.cos(t_0);
double t_3 = ((Math.pow((a * t_2), 2.0) + Math.pow((b * t_1), 2.0)) / y_45_scale) / y_45_scale;
double t_4 = ((Math.pow((a * t_1), 2.0) + Math.pow((b * t_2), 2.0)) / x_45_scale) / x_45_scale;
double t_5 = (b * a) * (b * -a);
double t_6 = (4.0 * t_5) / Math.pow((x_45_scale * y_45_scale), 2.0);
return -Math.sqrt((((2.0 * t_6) * t_5) * ((t_4 + t_3) - Math.sqrt((Math.pow((t_4 - t_3), 2.0) + Math.pow((((((2.0 * (Math.pow(b, 2.0) - Math.pow(a, 2.0))) * t_1) * t_2) / x_45_scale) / y_45_scale), 2.0)))))) / t_6;
}
def code(a, b, angle, x_45_scale, y_45_scale): t_0 = (angle / 180.0) * math.pi t_1 = math.sin(t_0) t_2 = math.cos(t_0) t_3 = ((math.pow((a * t_2), 2.0) + math.pow((b * t_1), 2.0)) / y_45_scale) / y_45_scale t_4 = ((math.pow((a * t_1), 2.0) + math.pow((b * t_2), 2.0)) / x_45_scale) / x_45_scale t_5 = (b * a) * (b * -a) t_6 = (4.0 * t_5) / math.pow((x_45_scale * y_45_scale), 2.0) return -math.sqrt((((2.0 * t_6) * t_5) * ((t_4 + t_3) - math.sqrt((math.pow((t_4 - t_3), 2.0) + math.pow((((((2.0 * (math.pow(b, 2.0) - math.pow(a, 2.0))) * t_1) * t_2) / x_45_scale) / y_45_scale), 2.0)))))) / t_6
function code(a, b, angle, x_45_scale, y_45_scale) t_0 = Float64(Float64(angle / 180.0) * pi) t_1 = sin(t_0) t_2 = cos(t_0) t_3 = Float64(Float64(Float64((Float64(a * t_2) ^ 2.0) + (Float64(b * t_1) ^ 2.0)) / y_45_scale) / y_45_scale) t_4 = Float64(Float64(Float64((Float64(a * t_1) ^ 2.0) + (Float64(b * t_2) ^ 2.0)) / x_45_scale) / x_45_scale) t_5 = Float64(Float64(b * a) * Float64(b * Float64(-a))) t_6 = Float64(Float64(4.0 * t_5) / (Float64(x_45_scale * y_45_scale) ^ 2.0)) return Float64(Float64(-sqrt(Float64(Float64(Float64(2.0 * t_6) * t_5) * Float64(Float64(t_4 + t_3) - sqrt(Float64((Float64(t_4 - t_3) ^ 2.0) + (Float64(Float64(Float64(Float64(Float64(2.0 * Float64((b ^ 2.0) - (a ^ 2.0))) * t_1) * t_2) / x_45_scale) / y_45_scale) ^ 2.0))))))) / t_6) end
function tmp = code(a, b, angle, x_45_scale, y_45_scale) t_0 = (angle / 180.0) * pi; t_1 = sin(t_0); t_2 = cos(t_0); t_3 = ((((a * t_2) ^ 2.0) + ((b * t_1) ^ 2.0)) / y_45_scale) / y_45_scale; t_4 = ((((a * t_1) ^ 2.0) + ((b * t_2) ^ 2.0)) / x_45_scale) / x_45_scale; t_5 = (b * a) * (b * -a); t_6 = (4.0 * t_5) / ((x_45_scale * y_45_scale) ^ 2.0); tmp = -sqrt((((2.0 * t_6) * t_5) * ((t_4 + t_3) - sqrt((((t_4 - t_3) ^ 2.0) + ((((((2.0 * ((b ^ 2.0) - (a ^ 2.0))) * t_1) * t_2) / x_45_scale) / y_45_scale) ^ 2.0)))))) / t_6; end
code[a_, b_, angle_, x$45$scale_, y$45$scale_] := Block[{t$95$0 = N[(N[(angle / 180.0), $MachinePrecision] * Pi), $MachinePrecision]}, Block[{t$95$1 = N[Sin[t$95$0], $MachinePrecision]}, Block[{t$95$2 = N[Cos[t$95$0], $MachinePrecision]}, Block[{t$95$3 = N[(N[(N[(N[Power[N[(a * t$95$2), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * t$95$1), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] / y$45$scale), $MachinePrecision] / y$45$scale), $MachinePrecision]}, Block[{t$95$4 = N[(N[(N[(N[Power[N[(a * t$95$1), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * t$95$2), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] / x$45$scale), $MachinePrecision] / x$45$scale), $MachinePrecision]}, Block[{t$95$5 = N[(N[(b * a), $MachinePrecision] * N[(b * (-a)), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$6 = N[(N[(4.0 * t$95$5), $MachinePrecision] / N[Power[N[(x$45$scale * y$45$scale), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]}, N[((-N[Sqrt[N[(N[(N[(2.0 * t$95$6), $MachinePrecision] * t$95$5), $MachinePrecision] * N[(N[(t$95$4 + t$95$3), $MachinePrecision] - N[Sqrt[N[(N[Power[N[(t$95$4 - t$95$3), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(N[(N[(N[(N[(2.0 * N[(N[Power[b, 2.0], $MachinePrecision] - N[Power[a, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * t$95$1), $MachinePrecision] * t$95$2), $MachinePrecision] / x$45$scale), $MachinePrecision] / y$45$scale), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]) / t$95$6), $MachinePrecision]]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{angle}{180} \cdot \pi\\
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 4 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)))
double code(double a, double b, double angle, double x_45_scale, double y_45_scale) {
double t_0 = (angle / 180.0) * ((double) M_PI);
double t_1 = sin(t_0);
double t_2 = cos(t_0);
double t_3 = ((pow((a * t_2), 2.0) + pow((b * t_1), 2.0)) / y_45_scale) / y_45_scale;
double t_4 = ((pow((a * t_1), 2.0) + pow((b * t_2), 2.0)) / x_45_scale) / x_45_scale;
double t_5 = (b * a) * (b * -a);
double t_6 = (4.0 * t_5) / pow((x_45_scale * y_45_scale), 2.0);
return -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_45_scale) / y_45_scale), 2.0)))))) / t_6;
}
public static double code(double a, double b, double angle, double x_45_scale, double y_45_scale) {
double t_0 = (angle / 180.0) * Math.PI;
double t_1 = Math.sin(t_0);
double t_2 = Math.cos(t_0);
double t_3 = ((Math.pow((a * t_2), 2.0) + Math.pow((b * t_1), 2.0)) / y_45_scale) / y_45_scale;
double t_4 = ((Math.pow((a * t_1), 2.0) + Math.pow((b * t_2), 2.0)) / x_45_scale) / x_45_scale;
double t_5 = (b * a) * (b * -a);
double t_6 = (4.0 * t_5) / Math.pow((x_45_scale * y_45_scale), 2.0);
return -Math.sqrt((((2.0 * t_6) * t_5) * ((t_4 + t_3) - Math.sqrt((Math.pow((t_4 - t_3), 2.0) + Math.pow((((((2.0 * (Math.pow(b, 2.0) - Math.pow(a, 2.0))) * t_1) * t_2) / x_45_scale) / y_45_scale), 2.0)))))) / t_6;
}
def code(a, b, angle, x_45_scale, y_45_scale): t_0 = (angle / 180.0) * math.pi t_1 = math.sin(t_0) t_2 = math.cos(t_0) t_3 = ((math.pow((a * t_2), 2.0) + math.pow((b * t_1), 2.0)) / y_45_scale) / y_45_scale t_4 = ((math.pow((a * t_1), 2.0) + math.pow((b * t_2), 2.0)) / x_45_scale) / x_45_scale t_5 = (b * a) * (b * -a) t_6 = (4.0 * t_5) / math.pow((x_45_scale * y_45_scale), 2.0) return -math.sqrt((((2.0 * t_6) * t_5) * ((t_4 + t_3) - math.sqrt((math.pow((t_4 - t_3), 2.0) + math.pow((((((2.0 * (math.pow(b, 2.0) - math.pow(a, 2.0))) * t_1) * t_2) / x_45_scale) / y_45_scale), 2.0)))))) / t_6
function code(a, b, angle, x_45_scale, y_45_scale) t_0 = Float64(Float64(angle / 180.0) * pi) t_1 = sin(t_0) t_2 = cos(t_0) t_3 = Float64(Float64(Float64((Float64(a * t_2) ^ 2.0) + (Float64(b * t_1) ^ 2.0)) / y_45_scale) / y_45_scale) t_4 = Float64(Float64(Float64((Float64(a * t_1) ^ 2.0) + (Float64(b * t_2) ^ 2.0)) / x_45_scale) / x_45_scale) t_5 = Float64(Float64(b * a) * Float64(b * Float64(-a))) t_6 = Float64(Float64(4.0 * t_5) / (Float64(x_45_scale * y_45_scale) ^ 2.0)) return Float64(Float64(-sqrt(Float64(Float64(Float64(2.0 * t_6) * t_5) * Float64(Float64(t_4 + t_3) - sqrt(Float64((Float64(t_4 - t_3) ^ 2.0) + (Float64(Float64(Float64(Float64(Float64(2.0 * Float64((b ^ 2.0) - (a ^ 2.0))) * t_1) * t_2) / x_45_scale) / y_45_scale) ^ 2.0))))))) / t_6) end
function tmp = code(a, b, angle, x_45_scale, y_45_scale) t_0 = (angle / 180.0) * pi; t_1 = sin(t_0); t_2 = cos(t_0); t_3 = ((((a * t_2) ^ 2.0) + ((b * t_1) ^ 2.0)) / y_45_scale) / y_45_scale; t_4 = ((((a * t_1) ^ 2.0) + ((b * t_2) ^ 2.0)) / x_45_scale) / x_45_scale; t_5 = (b * a) * (b * -a); t_6 = (4.0 * t_5) / ((x_45_scale * y_45_scale) ^ 2.0); tmp = -sqrt((((2.0 * t_6) * t_5) * ((t_4 + t_3) - sqrt((((t_4 - t_3) ^ 2.0) + ((((((2.0 * ((b ^ 2.0) - (a ^ 2.0))) * t_1) * t_2) / x_45_scale) / y_45_scale) ^ 2.0)))))) / t_6; end
code[a_, b_, angle_, x$45$scale_, y$45$scale_] := Block[{t$95$0 = N[(N[(angle / 180.0), $MachinePrecision] * Pi), $MachinePrecision]}, Block[{t$95$1 = N[Sin[t$95$0], $MachinePrecision]}, Block[{t$95$2 = N[Cos[t$95$0], $MachinePrecision]}, Block[{t$95$3 = N[(N[(N[(N[Power[N[(a * t$95$2), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * t$95$1), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] / y$45$scale), $MachinePrecision] / y$45$scale), $MachinePrecision]}, Block[{t$95$4 = N[(N[(N[(N[Power[N[(a * t$95$1), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * t$95$2), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] / x$45$scale), $MachinePrecision] / x$45$scale), $MachinePrecision]}, Block[{t$95$5 = N[(N[(b * a), $MachinePrecision] * N[(b * (-a)), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$6 = N[(N[(4.0 * t$95$5), $MachinePrecision] / N[Power[N[(x$45$scale * y$45$scale), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]}, N[((-N[Sqrt[N[(N[(N[(2.0 * t$95$6), $MachinePrecision] * t$95$5), $MachinePrecision] * N[(N[(t$95$4 + t$95$3), $MachinePrecision] - N[Sqrt[N[(N[Power[N[(t$95$4 - t$95$3), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(N[(N[(N[(N[(2.0 * N[(N[Power[b, 2.0], $MachinePrecision] - N[Power[a, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * t$95$1), $MachinePrecision] * t$95$2), $MachinePrecision] / x$45$scale), $MachinePrecision] / y$45$scale), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]) / t$95$6), $MachinePrecision]]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{angle}{180} \cdot \pi\\
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}
a_m = (fabs.f64 a) x-scale_m = (fabs.f64 x-scale) y-scale_m = (fabs.f64 y-scale) (FPCore (a_m b angle x-scale_m y-scale_m) :precision binary64 (if (<= y-scale_m 1.25e-70) (* 0.25 (* b (* (* x-scale_m (cbrt (sqrt 512.0))) (sqrt 0.0)))) (* (* x-scale_m (* 0.25 a_m)) 4.0)))
a_m = fabs(a);
x-scale_m = fabs(x_45_scale);
y-scale_m = fabs(y_45_scale);
double code(double a_m, double b, double angle, double x_45_scale_m, double y_45_scale_m) {
double tmp;
if (y_45_scale_m <= 1.25e-70) {
tmp = 0.25 * (b * ((x_45_scale_m * cbrt(sqrt(512.0))) * sqrt(0.0)));
} else {
tmp = (x_45_scale_m * (0.25 * a_m)) * 4.0;
}
return tmp;
}
a_m = Math.abs(a);
x-scale_m = Math.abs(x_45_scale);
y-scale_m = Math.abs(y_45_scale);
public static double code(double a_m, double b, double angle, double x_45_scale_m, double y_45_scale_m) {
double tmp;
if (y_45_scale_m <= 1.25e-70) {
tmp = 0.25 * (b * ((x_45_scale_m * Math.cbrt(Math.sqrt(512.0))) * Math.sqrt(0.0)));
} else {
tmp = (x_45_scale_m * (0.25 * a_m)) * 4.0;
}
return tmp;
}
a_m = abs(a) x-scale_m = abs(x_45_scale) y-scale_m = abs(y_45_scale) function code(a_m, b, angle, x_45_scale_m, y_45_scale_m) tmp = 0.0 if (y_45_scale_m <= 1.25e-70) tmp = Float64(0.25 * Float64(b * Float64(Float64(x_45_scale_m * cbrt(sqrt(512.0))) * sqrt(0.0)))); else tmp = Float64(Float64(x_45_scale_m * Float64(0.25 * a_m)) * 4.0); end return tmp end
a_m = N[Abs[a], $MachinePrecision] x-scale_m = N[Abs[x$45$scale], $MachinePrecision] y-scale_m = N[Abs[y$45$scale], $MachinePrecision] code[a$95$m_, b_, angle_, x$45$scale$95$m_, y$45$scale$95$m_] := If[LessEqual[y$45$scale$95$m, 1.25e-70], N[(0.25 * N[(b * N[(N[(x$45$scale$95$m * N[Power[N[Sqrt[512.0], $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision] * N[Sqrt[0.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(x$45$scale$95$m * N[(0.25 * a$95$m), $MachinePrecision]), $MachinePrecision] * 4.0), $MachinePrecision]]
\begin{array}{l}
a_m = \left|a\right|
\\
x-scale_m = \left|x-scale\right|
\\
y-scale_m = \left|y-scale\right|
\\
\begin{array}{l}
\mathbf{if}\;y-scale\_m \leq 1.25 \cdot 10^{-70}:\\
\;\;\;\;0.25 \cdot \left(b \cdot \left(\left(x-scale\_m \cdot \sqrt[3]{\sqrt{512}}\right) \cdot \sqrt{0}\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\left(x-scale\_m \cdot \left(0.25 \cdot a\_m\right)\right) \cdot 4\\
\end{array}
\end{array}
if y-scale < 1.25e-70Initial program 0.0%
Taylor expanded in b around inf 1.8%
associate-*r*1.8%
Simplified1.4%
add-cbrt-cube1.4%
pow1/31.4%
pow1/21.4%
pow1/21.4%
pow-prod-up1.4%
metadata-eval1.4%
metadata-eval1.4%
Applied egg-rr1.4%
unpow1/31.4%
*-commutative1.4%
unpow1/21.4%
pow-plus1.4%
metadata-eval1.4%
Simplified1.4%
Taylor expanded in x-scale around 0 13.1%
associate-*l*13.4%
Simplified12.5%
Taylor expanded in y-scale around 0 31.6%
associate-*l*32.5%
associate-*r*32.5%
distribute-lft1-in32.5%
metadata-eval32.5%
mul0-lft32.5%
Simplified32.5%
if 1.25e-70 < y-scale Initial program 0.0%
Taylor expanded in angle around 0 21.0%
associate-*r*21.0%
*-commutative21.0%
Simplified21.0%
add-exp-log19.5%
associate-*l*19.5%
sqrt-unprod19.5%
metadata-eval19.5%
metadata-eval19.5%
Applied egg-rr19.5%
rem-exp-log21.1%
associate-*r*21.1%
metadata-eval21.1%
metadata-eval21.1%
sqrt-unprod21.0%
associate-*r*21.0%
sqrt-unprod21.1%
metadata-eval21.1%
metadata-eval21.1%
Applied egg-rr21.1%
Final simplification28.9%
a_m = (fabs.f64 a) x-scale_m = (fabs.f64 x-scale) y-scale_m = (fabs.f64 y-scale) (FPCore (a_m b angle x-scale_m y-scale_m) :precision binary64 (if (<= b 3.5e-133) (* 4.0 (+ (exp (log1p (* x-scale_m (* 0.25 a_m)))) -1.0)) (* x-scale_m a_m)))
a_m = fabs(a);
x-scale_m = fabs(x_45_scale);
y-scale_m = fabs(y_45_scale);
double code(double a_m, double b, double angle, double x_45_scale_m, double y_45_scale_m) {
double tmp;
if (b <= 3.5e-133) {
tmp = 4.0 * (exp(log1p((x_45_scale_m * (0.25 * a_m)))) + -1.0);
} else {
tmp = x_45_scale_m * a_m;
}
return tmp;
}
a_m = Math.abs(a);
x-scale_m = Math.abs(x_45_scale);
y-scale_m = Math.abs(y_45_scale);
public static double code(double a_m, double b, double angle, double x_45_scale_m, double y_45_scale_m) {
double tmp;
if (b <= 3.5e-133) {
tmp = 4.0 * (Math.exp(Math.log1p((x_45_scale_m * (0.25 * a_m)))) + -1.0);
} else {
tmp = x_45_scale_m * a_m;
}
return tmp;
}
a_m = math.fabs(a) x-scale_m = math.fabs(x_45_scale) y-scale_m = math.fabs(y_45_scale) def code(a_m, b, angle, x_45_scale_m, y_45_scale_m): tmp = 0 if b <= 3.5e-133: tmp = 4.0 * (math.exp(math.log1p((x_45_scale_m * (0.25 * a_m)))) + -1.0) else: tmp = x_45_scale_m * a_m return tmp
a_m = abs(a) x-scale_m = abs(x_45_scale) y-scale_m = abs(y_45_scale) function code(a_m, b, angle, x_45_scale_m, y_45_scale_m) tmp = 0.0 if (b <= 3.5e-133) tmp = Float64(4.0 * Float64(exp(log1p(Float64(x_45_scale_m * Float64(0.25 * a_m)))) + -1.0)); else tmp = Float64(x_45_scale_m * a_m); end return tmp end
a_m = N[Abs[a], $MachinePrecision] x-scale_m = N[Abs[x$45$scale], $MachinePrecision] y-scale_m = N[Abs[y$45$scale], $MachinePrecision] code[a$95$m_, b_, angle_, x$45$scale$95$m_, y$45$scale$95$m_] := If[LessEqual[b, 3.5e-133], N[(4.0 * N[(N[Exp[N[Log[1 + N[(x$45$scale$95$m * N[(0.25 * a$95$m), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]], $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision], N[(x$45$scale$95$m * a$95$m), $MachinePrecision]]
\begin{array}{l}
a_m = \left|a\right|
\\
x-scale_m = \left|x-scale\right|
\\
y-scale_m = \left|y-scale\right|
\\
\begin{array}{l}
\mathbf{if}\;b \leq 3.5 \cdot 10^{-133}:\\
\;\;\;\;4 \cdot \left(e^{\mathsf{log1p}\left(x-scale\_m \cdot \left(0.25 \cdot a\_m\right)\right)} + -1\right)\\
\mathbf{else}:\\
\;\;\;\;x-scale\_m \cdot a\_m\\
\end{array}
\end{array}
if b < 3.50000000000000003e-133Initial program 0.0%
Taylor expanded in angle around 0 16.5%
associate-*r*16.5%
*-commutative16.5%
Simplified16.5%
add-exp-log14.6%
associate-*l*14.6%
sqrt-unprod14.6%
metadata-eval14.6%
metadata-eval14.6%
Applied egg-rr14.6%
rem-exp-log16.6%
associate-*r*16.6%
metadata-eval16.6%
metadata-eval16.6%
sqrt-unprod16.5%
associate-*r*16.4%
sqrt-unprod16.6%
metadata-eval16.6%
metadata-eval16.6%
Applied egg-rr16.6%
expm1-log1p-u16.0%
expm1-undefine24.0%
*-commutative24.0%
*-commutative24.0%
Applied egg-rr24.0%
if 3.50000000000000003e-133 < b Initial program 0.1%
Taylor expanded in angle around 0 23.9%
associate-*r*23.9%
*-commutative23.9%
Simplified23.9%
pow123.9%
associate-*l*23.9%
sqrt-unprod24.2%
metadata-eval24.2%
metadata-eval24.2%
Applied egg-rr24.2%
unpow124.2%
associate-*r*24.2%
Simplified24.2%
Taylor expanded in a around 0 24.2%
Final simplification24.1%
a_m = (fabs.f64 a) x-scale_m = (fabs.f64 x-scale) y-scale_m = (fabs.f64 y-scale) (FPCore (a_m b angle x-scale_m y-scale_m) :precision binary64 (if (<= b 4.5e-136) (+ 1.0 (fma a_m (* 0.25 (* x-scale_m 4.0)) -1.0)) (* x-scale_m a_m)))
a_m = fabs(a);
x-scale_m = fabs(x_45_scale);
y-scale_m = fabs(y_45_scale);
double code(double a_m, double b, double angle, double x_45_scale_m, double y_45_scale_m) {
double tmp;
if (b <= 4.5e-136) {
tmp = 1.0 + fma(a_m, (0.25 * (x_45_scale_m * 4.0)), -1.0);
} else {
tmp = x_45_scale_m * a_m;
}
return tmp;
}
a_m = abs(a) x-scale_m = abs(x_45_scale) y-scale_m = abs(y_45_scale) function code(a_m, b, angle, x_45_scale_m, y_45_scale_m) tmp = 0.0 if (b <= 4.5e-136) tmp = Float64(1.0 + fma(a_m, Float64(0.25 * Float64(x_45_scale_m * 4.0)), -1.0)); else tmp = Float64(x_45_scale_m * a_m); end return tmp end
a_m = N[Abs[a], $MachinePrecision] x-scale_m = N[Abs[x$45$scale], $MachinePrecision] y-scale_m = N[Abs[y$45$scale], $MachinePrecision] code[a$95$m_, b_, angle_, x$45$scale$95$m_, y$45$scale$95$m_] := If[LessEqual[b, 4.5e-136], N[(1.0 + N[(a$95$m * N[(0.25 * N[(x$45$scale$95$m * 4.0), $MachinePrecision]), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision], N[(x$45$scale$95$m * a$95$m), $MachinePrecision]]
\begin{array}{l}
a_m = \left|a\right|
\\
x-scale_m = \left|x-scale\right|
\\
y-scale_m = \left|y-scale\right|
\\
\begin{array}{l}
\mathbf{if}\;b \leq 4.5 \cdot 10^{-136}:\\
\;\;\;\;1 + \mathsf{fma}\left(a\_m, 0.25 \cdot \left(x-scale\_m \cdot 4\right), -1\right)\\
\mathbf{else}:\\
\;\;\;\;x-scale\_m \cdot a\_m\\
\end{array}
\end{array}
if b < 4.49999999999999972e-136Initial program 0.0%
Taylor expanded in angle around 0 16.5%
associate-*r*16.5%
*-commutative16.5%
Simplified16.5%
add-exp-log14.6%
associate-*l*14.6%
sqrt-unprod14.6%
metadata-eval14.6%
metadata-eval14.6%
Applied egg-rr14.6%
rem-exp-log16.6%
associate-*r*16.6%
metadata-eval16.6%
metadata-eval16.6%
sqrt-unprod16.5%
associate-*r*16.4%
sqrt-unprod16.6%
metadata-eval16.6%
metadata-eval16.6%
Applied egg-rr16.6%
associate-*l*16.6%
log1p-expm1-u13.4%
log1p-define20.3%
associate-*r*20.3%
expm1-log1p-u20.0%
expm1-undefine20.4%
associate-*r*20.4%
*-commutative20.4%
log1p-define17.5%
log1p-expm1-u24.0%
Applied egg-rr24.0%
log1p-undefine24.0%
rem-exp-log24.5%
associate-+r-24.5%
*-commutative24.5%
associate-*r*24.5%
*-commutative24.5%
associate-*l*24.5%
fma-neg24.5%
metadata-eval24.5%
Simplified24.5%
if 4.49999999999999972e-136 < b Initial program 0.1%
Taylor expanded in angle around 0 23.9%
associate-*r*23.9%
*-commutative23.9%
Simplified23.9%
pow123.9%
associate-*l*23.9%
sqrt-unprod24.2%
metadata-eval24.2%
metadata-eval24.2%
Applied egg-rr24.2%
unpow124.2%
associate-*r*24.2%
Simplified24.2%
Taylor expanded in a around 0 24.2%
Final simplification24.4%
a_m = (fabs.f64 a) x-scale_m = (fabs.f64 x-scale) y-scale_m = (fabs.f64 y-scale) (FPCore (a_m b angle x-scale_m y-scale_m) :precision binary64 (* x-scale_m a_m))
a_m = fabs(a);
x-scale_m = fabs(x_45_scale);
y-scale_m = fabs(y_45_scale);
double code(double a_m, double b, double angle, double x_45_scale_m, double y_45_scale_m) {
return x_45_scale_m * a_m;
}
a_m = abs(a)
x-scale_m = abs(x_45scale)
y-scale_m = abs(y_45scale)
real(8) function code(a_m, b, angle, x_45scale_m, y_45scale_m)
real(8), intent (in) :: a_m
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 = x_45scale_m * a_m
end function
a_m = Math.abs(a);
x-scale_m = Math.abs(x_45_scale);
y-scale_m = Math.abs(y_45_scale);
public static double code(double a_m, double b, double angle, double x_45_scale_m, double y_45_scale_m) {
return x_45_scale_m * a_m;
}
a_m = math.fabs(a) x-scale_m = math.fabs(x_45_scale) y-scale_m = math.fabs(y_45_scale) def code(a_m, b, angle, x_45_scale_m, y_45_scale_m): return x_45_scale_m * a_m
a_m = abs(a) x-scale_m = abs(x_45_scale) y-scale_m = abs(y_45_scale) function code(a_m, b, angle, x_45_scale_m, y_45_scale_m) return Float64(x_45_scale_m * a_m) end
a_m = abs(a); x-scale_m = abs(x_45_scale); y-scale_m = abs(y_45_scale); function tmp = code(a_m, b, angle, x_45_scale_m, y_45_scale_m) tmp = x_45_scale_m * a_m; end
a_m = N[Abs[a], $MachinePrecision] x-scale_m = N[Abs[x$45$scale], $MachinePrecision] y-scale_m = N[Abs[y$45$scale], $MachinePrecision] code[a$95$m_, b_, angle_, x$45$scale$95$m_, y$45$scale$95$m_] := N[(x$45$scale$95$m * a$95$m), $MachinePrecision]
\begin{array}{l}
a_m = \left|a\right|
\\
x-scale_m = \left|x-scale\right|
\\
y-scale_m = \left|y-scale\right|
\\
x-scale\_m \cdot a\_m
\end{array}
Initial program 0.0%
Taylor expanded in angle around 0 19.4%
associate-*r*19.4%
*-commutative19.4%
Simplified19.4%
pow119.4%
associate-*l*19.4%
sqrt-unprod19.5%
metadata-eval19.5%
metadata-eval19.5%
Applied egg-rr19.5%
unpow119.5%
associate-*r*19.5%
Simplified19.5%
Taylor expanded in a around 0 19.5%
Final simplification19.5%
herbie shell --seed 2024130
(FPCore (a b angle x-scale y-scale)
:name "b 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))))