b from scale-rotated-ellipse

Percentage Accurate: 0.1% → 22.2%

Time: 36.9s

Alternatives: 8

Speedup: 12.5×

• could not determine a ground truth

  1. a = -1.421667080685363e-300
  2. b = -1.3869029581535323e+110
  3. angle = -3.891624612880274e-253
  4. x-scale = 3.2248910280578676e-233
  5. y-scale = 6.072729700916677e+295

Specification

Math

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \frac{angle}{180} \cdot \pi\\ t_1 := \sin t\_0\\ t_2 := \cos t\_0\\ t_3 := \frac{\frac{{\left(a \cdot t\_2\right)}^{2} + {\left(b \cdot t\_1\right)}^{2}}{y-scale}}{y-scale}\\ t_4 := \frac{\frac{{\left(a \cdot t\_1\right)}^{2} + {\left(b \cdot t\_2\right)}^{2}}{x-scale}}{x-scale}\\ t_5 := \left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\\ t_6 := \frac{4 \cdot t\_5}{{\left(x-scale \cdot y-scale\right)}^{2}}\\ \frac{-\sqrt{\left(\left(2 \cdot t\_6\right) \cdot t\_5\right) \cdot \left(\left(t\_4 + t\_3\right) - \sqrt{{\left(t\_4 - t\_3\right)}^{2} + {\left(\frac{\frac{\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot t\_1\right) \cdot t\_2}{x-scale}}{y-scale}\right)}^{2}}\right)}}{t\_6} \end{array} \end{array} \]

FPCore

(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)))

C

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;
}

Java

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;
}

Python

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

Julia

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

MATLAB

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

Wolfram

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]]]]]]]]

Initial Program: 0.1% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \frac{angle}{180} \cdot \pi\\ t_1 := \sin t\_0\\ t_2 := \cos t\_0\\ t_3 := \frac{\frac{{\left(a \cdot t\_2\right)}^{2} + {\left(b \cdot t\_1\right)}^{2}}{y-scale}}{y-scale}\\ t_4 := \frac{\frac{{\left(a \cdot t\_1\right)}^{2} + {\left(b \cdot t\_2\right)}^{2}}{x-scale}}{x-scale}\\ t_5 := \left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\\ t_6 := \frac{4 \cdot t\_5}{{\left(x-scale \cdot y-scale\right)}^{2}}\\ \frac{-\sqrt{\left(\left(2 \cdot t\_6\right) \cdot t\_5\right) \cdot \left(\left(t\_4 + t\_3\right) - \sqrt{{\left(t\_4 - t\_3\right)}^{2} + {\left(\frac{\frac{\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot t\_1\right) \cdot t\_2}{x-scale}}{y-scale}\right)}^{2}}\right)}}{t\_6} \end{array} \end{array} \]

FPCore

(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)))

C

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;
}

Java

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;
}

Python

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

Julia

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

MATLAB

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

Wolfram

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]]]]]]]]

Alternative 1: 22.2% accurate, 4.9× speedup

Math

\[\begin{array}{l} a_m = \left|a\right| \\ y-scale_m = \left|y-scale\right| \\ \begin{array}{l} t_0 := \cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)\\ t_1 := {t\_0}^{2} - \sqrt{{t\_0}^{4}}\\ \mathbf{if}\;a\_m \leq 1.6 \cdot 10^{-163}:\\ \;\;\;\;-0.25 \cdot \left(\frac{b}{a\_m} \cdot \frac{y-scale\_m \cdot \sqrt{8 \cdot \left({a\_m}^{4} \cdot t\_1\right)}}{a\_m}\right)\\ \mathbf{else}:\\ \;\;\;\;-0.25 \cdot \frac{b \cdot \left(y-scale\_m \cdot \left(\left(a\_m \cdot a\_m\right) \cdot \sqrt{8 \cdot t\_1}\right)\right)}{a\_m \cdot a\_m}\\ \end{array} \end{array} \]

FPCore

a_m = (fabs.f64 a)
y-scale_m = (fabs.f64 y-scale)
(FPCore (a_m b angle x-scale y-scale_m)
 :precision binary64
 (let* ((t_0 (cos (* 0.005555555555555556 (* angle PI))))
        (t_1 (- (pow t_0 2.0) (sqrt (pow t_0 4.0)))))
   (if (<= a_m 1.6e-163)
     (*
      -0.25
      (* (/ b a_m) (/ (* y-scale_m (sqrt (* 8.0 (* (pow a_m 4.0) t_1)))) a_m)))
     (*
      -0.25
      (/
       (* b (* y-scale_m (* (* a_m a_m) (sqrt (* 8.0 t_1)))))
       (* a_m a_m))))))

C

a_m = fabs(a);
y-scale_m = fabs(y_45_scale);
double code(double a_m, double b, double angle, double x_45_scale, double y_45_scale_m) {
	double t_0 = cos((0.005555555555555556 * (angle * ((double) M_PI))));
	double t_1 = pow(t_0, 2.0) - sqrt(pow(t_0, 4.0));
	double tmp;
	if (a_m <= 1.6e-163) {
		tmp = -0.25 * ((b / a_m) * ((y_45_scale_m * sqrt((8.0 * (pow(a_m, 4.0) * t_1)))) / a_m));
	} else {
		tmp = -0.25 * ((b * (y_45_scale_m * ((a_m * a_m) * sqrt((8.0 * t_1))))) / (a_m * a_m));
	}
	return tmp;
}

Java

a_m = Math.abs(a);
y-scale_m = Math.abs(y_45_scale);
public static double code(double a_m, double b, double angle, double x_45_scale, double y_45_scale_m) {
	double t_0 = Math.cos((0.005555555555555556 * (angle * Math.PI)));
	double t_1 = Math.pow(t_0, 2.0) - Math.sqrt(Math.pow(t_0, 4.0));
	double tmp;
	if (a_m <= 1.6e-163) {
		tmp = -0.25 * ((b / a_m) * ((y_45_scale_m * Math.sqrt((8.0 * (Math.pow(a_m, 4.0) * t_1)))) / a_m));
	} else {
		tmp = -0.25 * ((b * (y_45_scale_m * ((a_m * a_m) * Math.sqrt((8.0 * t_1))))) / (a_m * a_m));
	}
	return tmp;
}

Python

a_m = math.fabs(a)
y-scale_m = math.fabs(y_45_scale)
def code(a_m, b, angle, x_45_scale, y_45_scale_m):
	t_0 = math.cos((0.005555555555555556 * (angle * math.pi)))
	t_1 = math.pow(t_0, 2.0) - math.sqrt(math.pow(t_0, 4.0))
	tmp = 0
	if a_m <= 1.6e-163:
		tmp = -0.25 * ((b / a_m) * ((y_45_scale_m * math.sqrt((8.0 * (math.pow(a_m, 4.0) * t_1)))) / a_m))
	else:
		tmp = -0.25 * ((b * (y_45_scale_m * ((a_m * a_m) * math.sqrt((8.0 * t_1))))) / (a_m * a_m))
	return tmp

Julia

a_m = abs(a)
y-scale_m = abs(y_45_scale)
function code(a_m, b, angle, x_45_scale, y_45_scale_m)
	t_0 = cos(Float64(0.005555555555555556 * Float64(angle * pi)))
	t_1 = Float64((t_0 ^ 2.0) - sqrt((t_0 ^ 4.0)))
	tmp = 0.0
	if (a_m <= 1.6e-163)
		tmp = Float64(-0.25 * Float64(Float64(b / a_m) * Float64(Float64(y_45_scale_m * sqrt(Float64(8.0 * Float64((a_m ^ 4.0) * t_1)))) / a_m)));
	else
		tmp = Float64(-0.25 * Float64(Float64(b * Float64(y_45_scale_m * Float64(Float64(a_m * a_m) * sqrt(Float64(8.0 * t_1))))) / Float64(a_m * a_m)));
	end
	return tmp
end

MATLAB

a_m = abs(a);
y-scale_m = abs(y_45_scale);
function tmp_2 = code(a_m, b, angle, x_45_scale, y_45_scale_m)
	t_0 = cos((0.005555555555555556 * (angle * pi)));
	t_1 = (t_0 ^ 2.0) - sqrt((t_0 ^ 4.0));
	tmp = 0.0;
	if (a_m <= 1.6e-163)
		tmp = -0.25 * ((b / a_m) * ((y_45_scale_m * sqrt((8.0 * ((a_m ^ 4.0) * t_1)))) / a_m));
	else
		tmp = -0.25 * ((b * (y_45_scale_m * ((a_m * a_m) * sqrt((8.0 * t_1))))) / (a_m * a_m));
	end
	tmp_2 = tmp;
end

Wolfram

a_m = N[Abs[a], $MachinePrecision]
y-scale_m = N[Abs[y$45$scale], $MachinePrecision]
code[a$95$m_, b_, angle_, x$45$scale_, y$45$scale$95$m_] := Block[{t$95$0 = N[Cos[N[(0.005555555555555556 * N[(angle * Pi), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]}, Block[{t$95$1 = N[(N[Power[t$95$0, 2.0], $MachinePrecision] - N[Sqrt[N[Power[t$95$0, 4.0], $MachinePrecision]], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[a$95$m, 1.6e-163], N[(-0.25 * N[(N[(b / a$95$m), $MachinePrecision] * N[(N[(y$45$scale$95$m * N[Sqrt[N[(8.0 * N[(N[Power[a$95$m, 4.0], $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / a$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(-0.25 * N[(N[(b * N[(y$45$scale$95$m * N[(N[(a$95$m * a$95$m), $MachinePrecision] * N[Sqrt[N[(8.0 * t$95$1), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(a$95$m * a$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]

Derivation

1. Split input into 2 regimes

2. if a < 1.59999999999999994e-163

   1. Initial program 0.1%

      \[\frac{-\sqrt{\left(\left(2 \cdot \frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}\right) \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)\right) \cdot \left(\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} + \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right) - \sqrt{{\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} - \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right)}^{2} + {\left(\frac{\frac{\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right) \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)}{x-scale}}{y-scale}\right)}^{2}}\right)}}{\frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}} \]

   2. Taylor expanded in b around -inf

      \[\leadsto \color{blue}{\frac{-1}{4} \cdot \frac{b \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\left(\frac{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{x-scale}^{2}} + \frac{{\sin \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{y-scale}^{2}}\right) - \sqrt{4 \cdot \frac{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} \cdot {\sin \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{x-scale}^{2} \cdot {y-scale}^{2}} + {\left(\frac{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{x-scale}^{2}} - \frac{{\sin \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{y-scale}^{2}}\right)}^{2}}\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)}{{a}^{2}}} \]

   4. Applied rewrites 0.5%

      \[\leadsto \color{blue}{-0.25 \cdot \frac{b \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\left(\frac{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{x-scale \cdot x-scale} + \frac{{\sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{y-scale \cdot y-scale}\right) - \sqrt{\mathsf{fma}\left(4, \frac{{\left(\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right) \cdot \sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)\right)}^{2}}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}, {\left(\frac{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{x-scale \cdot x-scale} - \frac{{\sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{y-scale \cdot y-scale}\right)}^{2}\right)}\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)\right)}{a \cdot a}} \]

   5. Taylor expanded in x-scale around 0

      \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}{{y-scale}^{2}}}\right)}{a \cdot a} \]
   6. Step-by-step derivation

      1. lower-*.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}{{y-scale}^{2}}}\right)}{a \cdot a} \]

   7. Applied rewrites 4.4%

      \[\leadsto -0.25 \cdot \frac{b \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2} - \sqrt{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)}{{y-scale}^{2}}}\right)}{a \cdot a} \]

   8. Taylor expanded in y-scale around 0

      \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]
   9. Step-by-step derivation

      1. lower-*.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

      2. lower-sqrt.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

      3. lower-*.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

      4. lift-pow.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

   10. Applied rewrites 11.2%

       \[\leadsto -0.25 \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2} - \sqrt{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]
   11. Step-by-step derivation

   12. Applied rewrites 19.3%

       \[\leadsto -0.25 \cdot \left(\frac{b}{a} \cdot \color{blue}{\frac{y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2} - \sqrt{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)\right)}}{a}}\right) \]

   if 1.59999999999999994e-163 < a

   1. Initial program 0.1%

      \[\frac{-\sqrt{\left(\left(2 \cdot \frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}\right) \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)\right) \cdot \left(\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} + \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right) - \sqrt{{\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} - \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right)}^{2} + {\left(\frac{\frac{\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right) \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)}{x-scale}}{y-scale}\right)}^{2}}\right)}}{\frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}} \]

   2. Taylor expanded in b around -inf

      \[\leadsto \color{blue}{\frac{-1}{4} \cdot \frac{b \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\left(\frac{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{x-scale}^{2}} + \frac{{\sin \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{y-scale}^{2}}\right) - \sqrt{4 \cdot \frac{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} \cdot {\sin \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{x-scale}^{2} \cdot {y-scale}^{2}} + {\left(\frac{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{x-scale}^{2}} - \frac{{\sin \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{y-scale}^{2}}\right)}^{2}}\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)}{{a}^{2}}} \]

   4. Applied rewrites 0.5%

      \[\leadsto \color{blue}{-0.25 \cdot \frac{b \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\left(\frac{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{x-scale \cdot x-scale} + \frac{{\sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{y-scale \cdot y-scale}\right) - \sqrt{\mathsf{fma}\left(4, \frac{{\left(\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right) \cdot \sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)\right)}^{2}}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}, {\left(\frac{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{x-scale \cdot x-scale} - \frac{{\sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{y-scale \cdot y-scale}\right)}^{2}\right)}\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)\right)}{a \cdot a}} \]

   5. Taylor expanded in x-scale around 0

      \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}{{y-scale}^{2}}}\right)}{a \cdot a} \]
   6. Step-by-step derivation

      1. lower-*.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}{{y-scale}^{2}}}\right)}{a \cdot a} \]

   7. Applied rewrites 4.4%

      \[\leadsto -0.25 \cdot \frac{b \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2} - \sqrt{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)}{{y-scale}^{2}}}\right)}{a \cdot a} \]

   8. Taylor expanded in y-scale around 0

      \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]
   9. Step-by-step derivation

      1. lower-*.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

      2. lower-sqrt.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

      3. lower-*.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

      4. lift-pow.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

   10. Applied rewrites 11.2%

       \[\leadsto -0.25 \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2} - \sqrt{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

   11. Taylor expanded in a around 0

       \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \left({a}^{2} \cdot \sqrt{8 \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}\right)\right)}{a \cdot a} \]
   12. Step-by-step derivation

       1. lower-*.f64 N/A

          \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \left({a}^{2} \cdot \sqrt{8 \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}\right)\right)}{a \cdot a} \]

       2. pow2 N/A

          \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \left(\left(a \cdot a\right) \cdot \sqrt{8 \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}\right)\right)}{a \cdot a} \]

       3. lift-*.f64 N/A

          \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \left(\left(a \cdot a\right) \cdot \sqrt{8 \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}\right)\right)}{a \cdot a} \]

       4. lower-sqrt.f64 N/A

          \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \left(\left(a \cdot a\right) \cdot \sqrt{8 \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}\right)\right)}{a \cdot a} \]

       5. lower-*.f64 N/A

          \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \left(\left(a \cdot a\right) \cdot \sqrt{8 \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}\right)\right)}{a \cdot a} \]

   13. Applied rewrites 13.1%

       \[\leadsto -0.25 \cdot \frac{b \cdot \left(y-scale \cdot \left(\left(a \cdot a\right) \cdot \sqrt{8 \cdot \left({\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2} - \sqrt{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)}\right)\right)}{a \cdot a} \]
3. Recombined 2 regimes into one program.
4. Add Preprocessing

Alternative 2: 15.4% accurate, 5.3× speedup

Math

\[\begin{array}{l} a_m = \left|a\right| \\ y-scale_m = \left|y-scale\right| \\ \begin{array}{l} t_0 := \cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)\\ \mathbf{if}\;a\_m \leq 1.16 \cdot 10^{-179}:\\ \;\;\;\;0.25 \cdot \frac{\left(y-scale\_m \cdot y-scale\_m\right) \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(b \cdot b - \sqrt{{b}^{4}}\right)}{y-scale\_m \cdot y-scale\_m}}}{b \cdot b}\\ \mathbf{else}:\\ \;\;\;\;-0.25 \cdot \frac{b \cdot \left(y-scale\_m \cdot \left(\left(a\_m \cdot a\_m\right) \cdot \sqrt{8 \cdot \left({t\_0}^{2} - \sqrt{{t\_0}^{4}}\right)}\right)\right)}{a\_m \cdot a\_m}\\ \end{array} \end{array} \]

FPCore

a_m = (fabs.f64 a)
y-scale_m = (fabs.f64 y-scale)
(FPCore (a_m b angle x-scale y-scale_m)
 :precision binary64
 (let* ((t_0 (cos (* 0.005555555555555556 (* angle PI)))))
   (if (<= a_m 1.16e-179)
     (*
      0.25
      (/
       (*
        (* y-scale_m y-scale_m)
        (sqrt
         (*
          8.0
          (/
           (* (pow b 4.0) (- (* b b) (sqrt (pow b 4.0))))
           (* y-scale_m y-scale_m)))))
       (* b b)))
     (*
      -0.25
      (/
       (*
        b
        (*
         y-scale_m
         (*
          (* a_m a_m)
          (sqrt (* 8.0 (- (pow t_0 2.0) (sqrt (pow t_0 4.0))))))))
       (* a_m a_m))))))

C

a_m = fabs(a);
y-scale_m = fabs(y_45_scale);
double code(double a_m, double b, double angle, double x_45_scale, double y_45_scale_m) {
	double t_0 = cos((0.005555555555555556 * (angle * ((double) M_PI))));
	double tmp;
	if (a_m <= 1.16e-179) {
		tmp = 0.25 * (((y_45_scale_m * y_45_scale_m) * sqrt((8.0 * ((pow(b, 4.0) * ((b * b) - sqrt(pow(b, 4.0)))) / (y_45_scale_m * y_45_scale_m))))) / (b * b));
	} else {
		tmp = -0.25 * ((b * (y_45_scale_m * ((a_m * a_m) * sqrt((8.0 * (pow(t_0, 2.0) - sqrt(pow(t_0, 4.0)))))))) / (a_m * a_m));
	}
	return tmp;
}

Java

a_m = Math.abs(a);
y-scale_m = Math.abs(y_45_scale);
public static double code(double a_m, double b, double angle, double x_45_scale, double y_45_scale_m) {
	double t_0 = Math.cos((0.005555555555555556 * (angle * Math.PI)));
	double tmp;
	if (a_m <= 1.16e-179) {
		tmp = 0.25 * (((y_45_scale_m * y_45_scale_m) * Math.sqrt((8.0 * ((Math.pow(b, 4.0) * ((b * b) - Math.sqrt(Math.pow(b, 4.0)))) / (y_45_scale_m * y_45_scale_m))))) / (b * b));
	} else {
		tmp = -0.25 * ((b * (y_45_scale_m * ((a_m * a_m) * Math.sqrt((8.0 * (Math.pow(t_0, 2.0) - Math.sqrt(Math.pow(t_0, 4.0)))))))) / (a_m * a_m));
	}
	return tmp;
}

Python

a_m = math.fabs(a)
y-scale_m = math.fabs(y_45_scale)
def code(a_m, b, angle, x_45_scale, y_45_scale_m):
	t_0 = math.cos((0.005555555555555556 * (angle * math.pi)))
	tmp = 0
	if a_m <= 1.16e-179:
		tmp = 0.25 * (((y_45_scale_m * y_45_scale_m) * math.sqrt((8.0 * ((math.pow(b, 4.0) * ((b * b) - math.sqrt(math.pow(b, 4.0)))) / (y_45_scale_m * y_45_scale_m))))) / (b * b))
	else:
		tmp = -0.25 * ((b * (y_45_scale_m * ((a_m * a_m) * math.sqrt((8.0 * (math.pow(t_0, 2.0) - math.sqrt(math.pow(t_0, 4.0)))))))) / (a_m * a_m))
	return tmp

Julia

a_m = abs(a)
y-scale_m = abs(y_45_scale)
function code(a_m, b, angle, x_45_scale, y_45_scale_m)
	t_0 = cos(Float64(0.005555555555555556 * Float64(angle * pi)))
	tmp = 0.0
	if (a_m <= 1.16e-179)
		tmp = Float64(0.25 * Float64(Float64(Float64(y_45_scale_m * y_45_scale_m) * sqrt(Float64(8.0 * Float64(Float64((b ^ 4.0) * Float64(Float64(b * b) - sqrt((b ^ 4.0)))) / Float64(y_45_scale_m * y_45_scale_m))))) / Float64(b * b)));
	else
		tmp = Float64(-0.25 * Float64(Float64(b * Float64(y_45_scale_m * Float64(Float64(a_m * a_m) * sqrt(Float64(8.0 * Float64((t_0 ^ 2.0) - sqrt((t_0 ^ 4.0)))))))) / Float64(a_m * a_m)));
	end
	return tmp
end

MATLAB

a_m = abs(a);
y-scale_m = abs(y_45_scale);
function tmp_2 = code(a_m, b, angle, x_45_scale, y_45_scale_m)
	t_0 = cos((0.005555555555555556 * (angle * pi)));
	tmp = 0.0;
	if (a_m <= 1.16e-179)
		tmp = 0.25 * (((y_45_scale_m * y_45_scale_m) * sqrt((8.0 * (((b ^ 4.0) * ((b * b) - sqrt((b ^ 4.0)))) / (y_45_scale_m * y_45_scale_m))))) / (b * b));
	else
		tmp = -0.25 * ((b * (y_45_scale_m * ((a_m * a_m) * sqrt((8.0 * ((t_0 ^ 2.0) - sqrt((t_0 ^ 4.0)))))))) / (a_m * a_m));
	end
	tmp_2 = tmp;
end

Wolfram

a_m = N[Abs[a], $MachinePrecision]
y-scale_m = N[Abs[y$45$scale], $MachinePrecision]
code[a$95$m_, b_, angle_, x$45$scale_, y$45$scale$95$m_] := Block[{t$95$0 = N[Cos[N[(0.005555555555555556 * N[(angle * Pi), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]}, If[LessEqual[a$95$m, 1.16e-179], N[(0.25 * N[(N[(N[(y$45$scale$95$m * y$45$scale$95$m), $MachinePrecision] * N[Sqrt[N[(8.0 * N[(N[(N[Power[b, 4.0], $MachinePrecision] * N[(N[(b * b), $MachinePrecision] - N[Sqrt[N[Power[b, 4.0], $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(y$45$scale$95$m * y$45$scale$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / N[(b * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(-0.25 * N[(N[(b * N[(y$45$scale$95$m * N[(N[(a$95$m * a$95$m), $MachinePrecision] * N[Sqrt[N[(8.0 * N[(N[Power[t$95$0, 2.0], $MachinePrecision] - N[Sqrt[N[Power[t$95$0, 4.0], $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(a$95$m * a$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]

Derivation

1. Split input into 2 regimes

2. if a < 1.15999999999999992e-179

   1. Initial program 0.1%

      \[\frac{-\sqrt{\left(\left(2 \cdot \frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}\right) \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)\right) \cdot \left(\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} + \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right) - \sqrt{{\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} - \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right)}^{2} + {\left(\frac{\frac{\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right) \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)}{x-scale}}{y-scale}\right)}^{2}}\right)}}{\frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}} \]

   2. Taylor expanded in angle around 0

      \[\leadsto \color{blue}{\frac{1}{4} \cdot \frac{{x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(\left(\frac{{a}^{2}}{{y-scale}^{2}} + \frac{{b}^{2}}{{x-scale}^{2}}\right) - \sqrt{{\left(\frac{{b}^{2}}{{x-scale}^{2}} - \frac{{a}^{2}}{{y-scale}^{2}}\right)}^{2}}\right)\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)}{{a}^{2} \cdot {b}^{2}}} \]

   4. Applied rewrites 0.1%

      \[\leadsto \color{blue}{0.25 \cdot \frac{\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(\left(\frac{a \cdot a}{y-scale \cdot y-scale} + \frac{b \cdot b}{x-scale \cdot x-scale}\right) - \sqrt{{\left(\frac{b \cdot b}{x-scale \cdot x-scale} - \frac{a \cdot a}{y-scale \cdot y-scale}\right)}^{2}}\right)\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)}{\left(a \cdot a\right) \cdot \left(b \cdot b\right)}} \]

   5. Taylor expanded in a around -inf

      \[\leadsto \frac{-1}{4} \cdot \color{blue}{\frac{a \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)}{{b}^{2}}} \]

   7. Applied rewrites 0.6%

      \[\leadsto -0.25 \cdot \color{blue}{\frac{a \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)}{{b}^{2}}} \]

   8. Taylor expanded in x-scale around 0

      \[\leadsto \frac{1}{4} \cdot \frac{{y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)\right)}{{y-scale}^{2}}}}{{a}^{2} \cdot {b}^{2}} + \color{blue}{\frac{{a}^{2} \cdot \left({b}^{2} \cdot \left({x-scale}^{2} \cdot \left(\frac{{a}^{2}}{{y-scale}^{2}} - -1 \cdot \frac{{a}^{2} \cdot {b}^{2}}{{y-scale}^{2} \cdot \sqrt{{b}^{4}}}\right)\right)\right)}{\sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)\right)}{{y-scale}^{2}}}}} \]

   10. Applied rewrites 0.1%

       \[\leadsto \mathsf{fma}\left(0.25, \color{blue}{\frac{\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(b \cdot b - \sqrt{{b}^{4}}\right)\right)}{y-scale \cdot y-scale}}}{\left(a \cdot a\right) \cdot \left(b \cdot b\right)}}, \frac{\left(a \cdot a\right) \cdot \left(\left(b \cdot b\right) \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\frac{a \cdot a}{y-scale \cdot y-scale} - -1 \cdot \frac{\left(a \cdot a\right) \cdot \left(b \cdot b\right)}{\left(y-scale \cdot y-scale\right) \cdot \sqrt{{b}^{4}}}\right)\right)\right)}{\sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(b \cdot b - \sqrt{{b}^{4}}\right)\right)}{y-scale \cdot y-scale}}}\right) \]

   11. Taylor expanded in a around 0

       \[\leadsto \frac{1}{4} \cdot \frac{{y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)}{{y-scale}^{2}}}}{\color{blue}{{b}^{2}}} \]
   12. Step-by-step derivation

       1. lower-*.f64 N/A

          \[\leadsto \frac{1}{4} \cdot \frac{{y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)}{{y-scale}^{2}}}}{{b}^{\color{blue}{2}}} \]

       2. lower-/.f64 N/A

          \[\leadsto \frac{1}{4} \cdot \frac{{y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)}{{y-scale}^{2}}}}{{b}^{2}} \]

   13. Applied rewrites 4.3%

       \[\leadsto 0.25 \cdot \frac{\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(b \cdot b - \sqrt{{b}^{4}}\right)}{y-scale \cdot y-scale}}}{\color{blue}{b \cdot b}} \]

   if 1.15999999999999992e-179 < a

   1. Initial program 0.1%

      \[\frac{-\sqrt{\left(\left(2 \cdot \frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}\right) \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)\right) \cdot \left(\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} + \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right) - \sqrt{{\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} - \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right)}^{2} + {\left(\frac{\frac{\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right) \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)}{x-scale}}{y-scale}\right)}^{2}}\right)}}{\frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}} \]

   2. Taylor expanded in b around -inf

      \[\leadsto \color{blue}{\frac{-1}{4} \cdot \frac{b \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\left(\frac{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{x-scale}^{2}} + \frac{{\sin \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{y-scale}^{2}}\right) - \sqrt{4 \cdot \frac{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} \cdot {\sin \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{x-scale}^{2} \cdot {y-scale}^{2}} + {\left(\frac{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{x-scale}^{2}} - \frac{{\sin \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{y-scale}^{2}}\right)}^{2}}\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)}{{a}^{2}}} \]

   4. Applied rewrites 0.5%

      \[\leadsto \color{blue}{-0.25 \cdot \frac{b \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\left(\frac{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{x-scale \cdot x-scale} + \frac{{\sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{y-scale \cdot y-scale}\right) - \sqrt{\mathsf{fma}\left(4, \frac{{\left(\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right) \cdot \sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)\right)}^{2}}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}, {\left(\frac{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{x-scale \cdot x-scale} - \frac{{\sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{y-scale \cdot y-scale}\right)}^{2}\right)}\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)\right)}{a \cdot a}} \]

   5. Taylor expanded in x-scale around 0

      \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}{{y-scale}^{2}}}\right)}{a \cdot a} \]
   6. Step-by-step derivation

      1. lower-*.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}{{y-scale}^{2}}}\right)}{a \cdot a} \]

   7. Applied rewrites 4.4%

      \[\leadsto -0.25 \cdot \frac{b \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2} - \sqrt{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)}{{y-scale}^{2}}}\right)}{a \cdot a} \]

   8. Taylor expanded in y-scale around 0

      \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]
   9. Step-by-step derivation

      1. lower-*.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

      2. lower-sqrt.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

      3. lower-*.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

      4. lift-pow.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

   10. Applied rewrites 11.2%

       \[\leadsto -0.25 \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2} - \sqrt{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

   11. Taylor expanded in a around 0

       \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \left({a}^{2} \cdot \sqrt{8 \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}\right)\right)}{a \cdot a} \]
   12. Step-by-step derivation

       1. lower-*.f64 N/A

          \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \left({a}^{2} \cdot \sqrt{8 \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}\right)\right)}{a \cdot a} \]

       2. pow2 N/A

          \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \left(\left(a \cdot a\right) \cdot \sqrt{8 \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}\right)\right)}{a \cdot a} \]

       3. lift-*.f64 N/A

          \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \left(\left(a \cdot a\right) \cdot \sqrt{8 \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}\right)\right)}{a \cdot a} \]

       4. lower-sqrt.f64 N/A

          \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \left(\left(a \cdot a\right) \cdot \sqrt{8 \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}\right)\right)}{a \cdot a} \]

       5. lower-*.f64 N/A

          \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \left(\left(a \cdot a\right) \cdot \sqrt{8 \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}\right)\right)}{a \cdot a} \]

   13. Applied rewrites 13.1%

       \[\leadsto -0.25 \cdot \frac{b \cdot \left(y-scale \cdot \left(\left(a \cdot a\right) \cdot \sqrt{8 \cdot \left({\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2} - \sqrt{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)}\right)\right)}{a \cdot a} \]
3. Recombined 2 regimes into one program.
4. Add Preprocessing

Alternative 3: 12.8% accurate, 7.3× speedup

Math

\[\begin{array}{l} a_m = \left|a\right| \\ y-scale_m = \left|y-scale\right| \\ \begin{array}{l} \mathbf{if}\;a\_m \leq 1.16 \cdot 10^{-179}:\\ \;\;\;\;0.25 \cdot \frac{\left(y-scale\_m \cdot y-scale\_m\right) \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(b \cdot b - \sqrt{{b}^{4}}\right)}{y-scale\_m \cdot y-scale\_m}}}{b \cdot b}\\ \mathbf{else}:\\ \;\;\;\;-0.25 \cdot \frac{b \cdot \left(-1 \cdot \left(y-scale\_m \cdot \sqrt{8 \cdot \left({a\_m}^{4} \cdot \left(1 - \sqrt{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)\right)}\right)\right)}{a\_m \cdot a\_m}\\ \end{array} \end{array} \]

FPCore

a_m = (fabs.f64 a)
y-scale_m = (fabs.f64 y-scale)
(FPCore (a_m b angle x-scale y-scale_m)
 :precision binary64
 (if (<= a_m 1.16e-179)
   (*
    0.25
    (/
     (*
      (* y-scale_m y-scale_m)
      (sqrt
       (*
        8.0
        (/
         (* (pow b 4.0) (- (* b b) (sqrt (pow b 4.0))))
         (* y-scale_m y-scale_m)))))
     (* b b)))
   (*
    -0.25
    (/
     (*
      b
      (*
       -1.0
       (*
        y-scale_m
        (sqrt
         (*
          8.0
          (*
           (pow a_m 4.0)
           (-
            1.0
            (sqrt (pow (cos (* 0.005555555555555556 (* angle PI))) 4.0)))))))))
     (* a_m a_m)))))

C

a_m = fabs(a);
y-scale_m = fabs(y_45_scale);
double code(double a_m, double b, double angle, double x_45_scale, double y_45_scale_m) {
	double tmp;
	if (a_m <= 1.16e-179) {
		tmp = 0.25 * (((y_45_scale_m * y_45_scale_m) * sqrt((8.0 * ((pow(b, 4.0) * ((b * b) - sqrt(pow(b, 4.0)))) / (y_45_scale_m * y_45_scale_m))))) / (b * b));
	} else {
		tmp = -0.25 * ((b * (-1.0 * (y_45_scale_m * sqrt((8.0 * (pow(a_m, 4.0) * (1.0 - sqrt(pow(cos((0.005555555555555556 * (angle * ((double) M_PI)))), 4.0))))))))) / (a_m * a_m));
	}
	return tmp;
}

Java

a_m = Math.abs(a);
y-scale_m = Math.abs(y_45_scale);
public static double code(double a_m, double b, double angle, double x_45_scale, double y_45_scale_m) {
	double tmp;
	if (a_m <= 1.16e-179) {
		tmp = 0.25 * (((y_45_scale_m * y_45_scale_m) * Math.sqrt((8.0 * ((Math.pow(b, 4.0) * ((b * b) - Math.sqrt(Math.pow(b, 4.0)))) / (y_45_scale_m * y_45_scale_m))))) / (b * b));
	} else {
		tmp = -0.25 * ((b * (-1.0 * (y_45_scale_m * Math.sqrt((8.0 * (Math.pow(a_m, 4.0) * (1.0 - Math.sqrt(Math.pow(Math.cos((0.005555555555555556 * (angle * Math.PI))), 4.0))))))))) / (a_m * a_m));
	}
	return tmp;
}

Python

a_m = math.fabs(a)
y-scale_m = math.fabs(y_45_scale)
def code(a_m, b, angle, x_45_scale, y_45_scale_m):
	tmp = 0
	if a_m <= 1.16e-179:
		tmp = 0.25 * (((y_45_scale_m * y_45_scale_m) * math.sqrt((8.0 * ((math.pow(b, 4.0) * ((b * b) - math.sqrt(math.pow(b, 4.0)))) / (y_45_scale_m * y_45_scale_m))))) / (b * b))
	else:
		tmp = -0.25 * ((b * (-1.0 * (y_45_scale_m * math.sqrt((8.0 * (math.pow(a_m, 4.0) * (1.0 - math.sqrt(math.pow(math.cos((0.005555555555555556 * (angle * math.pi))), 4.0))))))))) / (a_m * a_m))
	return tmp

Julia

a_m = abs(a)
y-scale_m = abs(y_45_scale)
function code(a_m, b, angle, x_45_scale, y_45_scale_m)
	tmp = 0.0
	if (a_m <= 1.16e-179)
		tmp = Float64(0.25 * Float64(Float64(Float64(y_45_scale_m * y_45_scale_m) * sqrt(Float64(8.0 * Float64(Float64((b ^ 4.0) * Float64(Float64(b * b) - sqrt((b ^ 4.0)))) / Float64(y_45_scale_m * y_45_scale_m))))) / Float64(b * b)));
	else
		tmp = Float64(-0.25 * Float64(Float64(b * Float64(-1.0 * Float64(y_45_scale_m * sqrt(Float64(8.0 * Float64((a_m ^ 4.0) * Float64(1.0 - sqrt((cos(Float64(0.005555555555555556 * Float64(angle * pi))) ^ 4.0))))))))) / Float64(a_m * a_m)));
	end
	return tmp
end

MATLAB

a_m = abs(a);
y-scale_m = abs(y_45_scale);
function tmp_2 = code(a_m, b, angle, x_45_scale, y_45_scale_m)
	tmp = 0.0;
	if (a_m <= 1.16e-179)
		tmp = 0.25 * (((y_45_scale_m * y_45_scale_m) * sqrt((8.0 * (((b ^ 4.0) * ((b * b) - sqrt((b ^ 4.0)))) / (y_45_scale_m * y_45_scale_m))))) / (b * b));
	else
		tmp = -0.25 * ((b * (-1.0 * (y_45_scale_m * sqrt((8.0 * ((a_m ^ 4.0) * (1.0 - sqrt((cos((0.005555555555555556 * (angle * pi))) ^ 4.0))))))))) / (a_m * a_m));
	end
	tmp_2 = tmp;
end

Wolfram

a_m = N[Abs[a], $MachinePrecision]
y-scale_m = N[Abs[y$45$scale], $MachinePrecision]
code[a$95$m_, b_, angle_, x$45$scale_, y$45$scale$95$m_] := If[LessEqual[a$95$m, 1.16e-179], N[(0.25 * N[(N[(N[(y$45$scale$95$m * y$45$scale$95$m), $MachinePrecision] * N[Sqrt[N[(8.0 * N[(N[(N[Power[b, 4.0], $MachinePrecision] * N[(N[(b * b), $MachinePrecision] - N[Sqrt[N[Power[b, 4.0], $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(y$45$scale$95$m * y$45$scale$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / N[(b * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(-0.25 * N[(N[(b * N[(-1.0 * N[(y$45$scale$95$m * N[Sqrt[N[(8.0 * N[(N[Power[a$95$m, 4.0], $MachinePrecision] * N[(1.0 - N[Sqrt[N[Power[N[Cos[N[(0.005555555555555556 * N[(angle * Pi), $MachinePrecision]), $MachinePrecision]], $MachinePrecision], 4.0], $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(a$95$m * a$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]

Derivation

1. Split input into 2 regimes

2. if a < 1.15999999999999992e-179

   1. Initial program 0.1%

      \[\frac{-\sqrt{\left(\left(2 \cdot \frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}\right) \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)\right) \cdot \left(\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} + \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right) - \sqrt{{\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} - \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right)}^{2} + {\left(\frac{\frac{\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right) \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)}{x-scale}}{y-scale}\right)}^{2}}\right)}}{\frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}} \]

   2. Taylor expanded in angle around 0

      \[\leadsto \color{blue}{\frac{1}{4} \cdot \frac{{x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(\left(\frac{{a}^{2}}{{y-scale}^{2}} + \frac{{b}^{2}}{{x-scale}^{2}}\right) - \sqrt{{\left(\frac{{b}^{2}}{{x-scale}^{2}} - \frac{{a}^{2}}{{y-scale}^{2}}\right)}^{2}}\right)\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)}{{a}^{2} \cdot {b}^{2}}} \]

   4. Applied rewrites 0.1%

      \[\leadsto \color{blue}{0.25 \cdot \frac{\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(\left(\frac{a \cdot a}{y-scale \cdot y-scale} + \frac{b \cdot b}{x-scale \cdot x-scale}\right) - \sqrt{{\left(\frac{b \cdot b}{x-scale \cdot x-scale} - \frac{a \cdot a}{y-scale \cdot y-scale}\right)}^{2}}\right)\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)}{\left(a \cdot a\right) \cdot \left(b \cdot b\right)}} \]

   5. Taylor expanded in a around -inf

      \[\leadsto \frac{-1}{4} \cdot \color{blue}{\frac{a \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)}{{b}^{2}}} \]

   7. Applied rewrites 0.6%

      \[\leadsto -0.25 \cdot \color{blue}{\frac{a \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)}{{b}^{2}}} \]

   8. Taylor expanded in x-scale around 0

      \[\leadsto \frac{1}{4} \cdot \frac{{y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)\right)}{{y-scale}^{2}}}}{{a}^{2} \cdot {b}^{2}} + \color{blue}{\frac{{a}^{2} \cdot \left({b}^{2} \cdot \left({x-scale}^{2} \cdot \left(\frac{{a}^{2}}{{y-scale}^{2}} - -1 \cdot \frac{{a}^{2} \cdot {b}^{2}}{{y-scale}^{2} \cdot \sqrt{{b}^{4}}}\right)\right)\right)}{\sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)\right)}{{y-scale}^{2}}}}} \]

   10. Applied rewrites 0.1%

       \[\leadsto \mathsf{fma}\left(0.25, \color{blue}{\frac{\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(b \cdot b - \sqrt{{b}^{4}}\right)\right)}{y-scale \cdot y-scale}}}{\left(a \cdot a\right) \cdot \left(b \cdot b\right)}}, \frac{\left(a \cdot a\right) \cdot \left(\left(b \cdot b\right) \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\frac{a \cdot a}{y-scale \cdot y-scale} - -1 \cdot \frac{\left(a \cdot a\right) \cdot \left(b \cdot b\right)}{\left(y-scale \cdot y-scale\right) \cdot \sqrt{{b}^{4}}}\right)\right)\right)}{\sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(b \cdot b - \sqrt{{b}^{4}}\right)\right)}{y-scale \cdot y-scale}}}\right) \]

   11. Taylor expanded in a around 0

       \[\leadsto \frac{1}{4} \cdot \frac{{y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)}{{y-scale}^{2}}}}{\color{blue}{{b}^{2}}} \]
   12. Step-by-step derivation

       1. lower-*.f64 N/A

          \[\leadsto \frac{1}{4} \cdot \frac{{y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)}{{y-scale}^{2}}}}{{b}^{\color{blue}{2}}} \]

       2. lower-/.f64 N/A

          \[\leadsto \frac{1}{4} \cdot \frac{{y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)}{{y-scale}^{2}}}}{{b}^{2}} \]

   13. Applied rewrites 4.3%

       \[\leadsto 0.25 \cdot \frac{\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(b \cdot b - \sqrt{{b}^{4}}\right)}{y-scale \cdot y-scale}}}{\color{blue}{b \cdot b}} \]

   if 1.15999999999999992e-179 < a

   1. Initial program 0.1%

      \[\frac{-\sqrt{\left(\left(2 \cdot \frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}\right) \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)\right) \cdot \left(\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} + \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right) - \sqrt{{\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} - \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right)}^{2} + {\left(\frac{\frac{\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right) \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)}{x-scale}}{y-scale}\right)}^{2}}\right)}}{\frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}} \]

   2. Taylor expanded in b around -inf

      \[\leadsto \color{blue}{\frac{-1}{4} \cdot \frac{b \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\left(\frac{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{x-scale}^{2}} + \frac{{\sin \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{y-scale}^{2}}\right) - \sqrt{4 \cdot \frac{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} \cdot {\sin \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{x-scale}^{2} \cdot {y-scale}^{2}} + {\left(\frac{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{x-scale}^{2}} - \frac{{\sin \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{y-scale}^{2}}\right)}^{2}}\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)}{{a}^{2}}} \]

   4. Applied rewrites 0.5%

      \[\leadsto \color{blue}{-0.25 \cdot \frac{b \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\left(\frac{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{x-scale \cdot x-scale} + \frac{{\sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{y-scale \cdot y-scale}\right) - \sqrt{\mathsf{fma}\left(4, \frac{{\left(\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right) \cdot \sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)\right)}^{2}}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}, {\left(\frac{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{x-scale \cdot x-scale} - \frac{{\sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{y-scale \cdot y-scale}\right)}^{2}\right)}\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)\right)}{a \cdot a}} \]

   5. Taylor expanded in x-scale around 0

      \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}{{y-scale}^{2}}}\right)}{a \cdot a} \]
   6. Step-by-step derivation

      1. lower-*.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}{{y-scale}^{2}}}\right)}{a \cdot a} \]

   7. Applied rewrites 4.4%

      \[\leadsto -0.25 \cdot \frac{b \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2} - \sqrt{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)}{{y-scale}^{2}}}\right)}{a \cdot a} \]

   8. Taylor expanded in y-scale around -inf

      \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(-1 \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)\right)}{a \cdot a} \]
   9. Step-by-step derivation

      1. lower-*.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(-1 \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)\right)}{a \cdot a} \]

      2. lower-*.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(-1 \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)\right)}{a \cdot a} \]

      3. lower-sqrt.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(-1 \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)\right)}{a \cdot a} \]

      4. lower-*.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(-1 \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)\right)}{a \cdot a} \]

   10. Applied rewrites 11.2%

       \[\leadsto -0.25 \cdot \frac{b \cdot \left(-1 \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2} - \sqrt{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)\right)}\right)\right)}{a \cdot a} \]

   11. Taylor expanded in angle around 0

       \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(-1 \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left(1 - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)\right)}\right)\right)}{a \cdot a} \]
   12. Step-by-step derivation

   13. Applied rewrites 10.6%

       \[\leadsto -0.25 \cdot \frac{b \cdot \left(-1 \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left(1 - \sqrt{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)\right)}\right)\right)}{a \cdot a} \]
3. Recombined 2 regimes into one program.
4. Add Preprocessing

Alternative 4: 12.8% accurate, 7.5× speedup

Math

\[\begin{array}{l} a_m = \left|a\right| \\ y-scale_m = \left|y-scale\right| \\ \begin{array}{l} \mathbf{if}\;a\_m \leq 1.16 \cdot 10^{-179}:\\ \;\;\;\;0.25 \cdot \frac{\left(y-scale\_m \cdot y-scale\_m\right) \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(b \cdot b - \sqrt{{b}^{4}}\right)}{y-scale\_m \cdot y-scale\_m}}}{b \cdot b}\\ \mathbf{else}:\\ \;\;\;\;-0.25 \cdot \frac{b \cdot \left(y-scale\_m \cdot \sqrt{8 \cdot \left({a\_m}^{4} \cdot \left(1 - \sqrt{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)\right)}\right)}{a\_m \cdot a\_m}\\ \end{array} \end{array} \]

FPCore

a_m = (fabs.f64 a)
y-scale_m = (fabs.f64 y-scale)
(FPCore (a_m b angle x-scale y-scale_m)
 :precision binary64
 (if (<= a_m 1.16e-179)
   (*
    0.25
    (/
     (*
      (* y-scale_m y-scale_m)
      (sqrt
       (*
        8.0
        (/
         (* (pow b 4.0) (- (* b b) (sqrt (pow b 4.0))))
         (* y-scale_m y-scale_m)))))
     (* b b)))
   (*
    -0.25
    (/
     (*
      b
      (*
       y-scale_m
       (sqrt
        (*
         8.0
         (*
          (pow a_m 4.0)
          (-
           1.0
           (sqrt (pow (cos (* 0.005555555555555556 (* angle PI))) 4.0))))))))
     (* a_m a_m)))))

C

a_m = fabs(a);
y-scale_m = fabs(y_45_scale);
double code(double a_m, double b, double angle, double x_45_scale, double y_45_scale_m) {
	double tmp;
	if (a_m <= 1.16e-179) {
		tmp = 0.25 * (((y_45_scale_m * y_45_scale_m) * sqrt((8.0 * ((pow(b, 4.0) * ((b * b) - sqrt(pow(b, 4.0)))) / (y_45_scale_m * y_45_scale_m))))) / (b * b));
	} else {
		tmp = -0.25 * ((b * (y_45_scale_m * sqrt((8.0 * (pow(a_m, 4.0) * (1.0 - sqrt(pow(cos((0.005555555555555556 * (angle * ((double) M_PI)))), 4.0)))))))) / (a_m * a_m));
	}
	return tmp;
}

Java

a_m = Math.abs(a);
y-scale_m = Math.abs(y_45_scale);
public static double code(double a_m, double b, double angle, double x_45_scale, double y_45_scale_m) {
	double tmp;
	if (a_m <= 1.16e-179) {
		tmp = 0.25 * (((y_45_scale_m * y_45_scale_m) * Math.sqrt((8.0 * ((Math.pow(b, 4.0) * ((b * b) - Math.sqrt(Math.pow(b, 4.0)))) / (y_45_scale_m * y_45_scale_m))))) / (b * b));
	} else {
		tmp = -0.25 * ((b * (y_45_scale_m * Math.sqrt((8.0 * (Math.pow(a_m, 4.0) * (1.0 - Math.sqrt(Math.pow(Math.cos((0.005555555555555556 * (angle * Math.PI))), 4.0)))))))) / (a_m * a_m));
	}
	return tmp;
}

Python

a_m = math.fabs(a)
y-scale_m = math.fabs(y_45_scale)
def code(a_m, b, angle, x_45_scale, y_45_scale_m):
	tmp = 0
	if a_m <= 1.16e-179:
		tmp = 0.25 * (((y_45_scale_m * y_45_scale_m) * math.sqrt((8.0 * ((math.pow(b, 4.0) * ((b * b) - math.sqrt(math.pow(b, 4.0)))) / (y_45_scale_m * y_45_scale_m))))) / (b * b))
	else:
		tmp = -0.25 * ((b * (y_45_scale_m * math.sqrt((8.0 * (math.pow(a_m, 4.0) * (1.0 - math.sqrt(math.pow(math.cos((0.005555555555555556 * (angle * math.pi))), 4.0)))))))) / (a_m * a_m))
	return tmp

Julia

a_m = abs(a)
y-scale_m = abs(y_45_scale)
function code(a_m, b, angle, x_45_scale, y_45_scale_m)
	tmp = 0.0
	if (a_m <= 1.16e-179)
		tmp = Float64(0.25 * Float64(Float64(Float64(y_45_scale_m * y_45_scale_m) * sqrt(Float64(8.0 * Float64(Float64((b ^ 4.0) * Float64(Float64(b * b) - sqrt((b ^ 4.0)))) / Float64(y_45_scale_m * y_45_scale_m))))) / Float64(b * b)));
	else
		tmp = Float64(-0.25 * Float64(Float64(b * Float64(y_45_scale_m * sqrt(Float64(8.0 * Float64((a_m ^ 4.0) * Float64(1.0 - sqrt((cos(Float64(0.005555555555555556 * Float64(angle * pi))) ^ 4.0)))))))) / Float64(a_m * a_m)));
	end
	return tmp
end

MATLAB

a_m = abs(a);
y-scale_m = abs(y_45_scale);
function tmp_2 = code(a_m, b, angle, x_45_scale, y_45_scale_m)
	tmp = 0.0;
	if (a_m <= 1.16e-179)
		tmp = 0.25 * (((y_45_scale_m * y_45_scale_m) * sqrt((8.0 * (((b ^ 4.0) * ((b * b) - sqrt((b ^ 4.0)))) / (y_45_scale_m * y_45_scale_m))))) / (b * b));
	else
		tmp = -0.25 * ((b * (y_45_scale_m * sqrt((8.0 * ((a_m ^ 4.0) * (1.0 - sqrt((cos((0.005555555555555556 * (angle * pi))) ^ 4.0)))))))) / (a_m * a_m));
	end
	tmp_2 = tmp;
end

Wolfram

a_m = N[Abs[a], $MachinePrecision]
y-scale_m = N[Abs[y$45$scale], $MachinePrecision]
code[a$95$m_, b_, angle_, x$45$scale_, y$45$scale$95$m_] := If[LessEqual[a$95$m, 1.16e-179], N[(0.25 * N[(N[(N[(y$45$scale$95$m * y$45$scale$95$m), $MachinePrecision] * N[Sqrt[N[(8.0 * N[(N[(N[Power[b, 4.0], $MachinePrecision] * N[(N[(b * b), $MachinePrecision] - N[Sqrt[N[Power[b, 4.0], $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(y$45$scale$95$m * y$45$scale$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / N[(b * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(-0.25 * N[(N[(b * N[(y$45$scale$95$m * N[Sqrt[N[(8.0 * N[(N[Power[a$95$m, 4.0], $MachinePrecision] * N[(1.0 - N[Sqrt[N[Power[N[Cos[N[(0.005555555555555556 * N[(angle * Pi), $MachinePrecision]), $MachinePrecision]], $MachinePrecision], 4.0], $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(a$95$m * a$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]

Derivation

1. Split input into 2 regimes

2. if a < 1.15999999999999992e-179

   1. Initial program 0.1%

      \[\frac{-\sqrt{\left(\left(2 \cdot \frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}\right) \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)\right) \cdot \left(\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} + \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right) - \sqrt{{\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} - \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right)}^{2} + {\left(\frac{\frac{\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right) \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)}{x-scale}}{y-scale}\right)}^{2}}\right)}}{\frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}} \]

   2. Taylor expanded in angle around 0

      \[\leadsto \color{blue}{\frac{1}{4} \cdot \frac{{x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(\left(\frac{{a}^{2}}{{y-scale}^{2}} + \frac{{b}^{2}}{{x-scale}^{2}}\right) - \sqrt{{\left(\frac{{b}^{2}}{{x-scale}^{2}} - \frac{{a}^{2}}{{y-scale}^{2}}\right)}^{2}}\right)\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)}{{a}^{2} \cdot {b}^{2}}} \]

   4. Applied rewrites 0.1%

      \[\leadsto \color{blue}{0.25 \cdot \frac{\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(\left(\frac{a \cdot a}{y-scale \cdot y-scale} + \frac{b \cdot b}{x-scale \cdot x-scale}\right) - \sqrt{{\left(\frac{b \cdot b}{x-scale \cdot x-scale} - \frac{a \cdot a}{y-scale \cdot y-scale}\right)}^{2}}\right)\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)}{\left(a \cdot a\right) \cdot \left(b \cdot b\right)}} \]

   5. Taylor expanded in a around -inf

      \[\leadsto \frac{-1}{4} \cdot \color{blue}{\frac{a \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)}{{b}^{2}}} \]

   7. Applied rewrites 0.6%

      \[\leadsto -0.25 \cdot \color{blue}{\frac{a \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)}{{b}^{2}}} \]

   8. Taylor expanded in x-scale around 0

      \[\leadsto \frac{1}{4} \cdot \frac{{y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)\right)}{{y-scale}^{2}}}}{{a}^{2} \cdot {b}^{2}} + \color{blue}{\frac{{a}^{2} \cdot \left({b}^{2} \cdot \left({x-scale}^{2} \cdot \left(\frac{{a}^{2}}{{y-scale}^{2}} - -1 \cdot \frac{{a}^{2} \cdot {b}^{2}}{{y-scale}^{2} \cdot \sqrt{{b}^{4}}}\right)\right)\right)}{\sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)\right)}{{y-scale}^{2}}}}} \]

   10. Applied rewrites 0.1%

       \[\leadsto \mathsf{fma}\left(0.25, \color{blue}{\frac{\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(b \cdot b - \sqrt{{b}^{4}}\right)\right)}{y-scale \cdot y-scale}}}{\left(a \cdot a\right) \cdot \left(b \cdot b\right)}}, \frac{\left(a \cdot a\right) \cdot \left(\left(b \cdot b\right) \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\frac{a \cdot a}{y-scale \cdot y-scale} - -1 \cdot \frac{\left(a \cdot a\right) \cdot \left(b \cdot b\right)}{\left(y-scale \cdot y-scale\right) \cdot \sqrt{{b}^{4}}}\right)\right)\right)}{\sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(b \cdot b - \sqrt{{b}^{4}}\right)\right)}{y-scale \cdot y-scale}}}\right) \]

   11. Taylor expanded in a around 0

       \[\leadsto \frac{1}{4} \cdot \frac{{y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)}{{y-scale}^{2}}}}{\color{blue}{{b}^{2}}} \]
   12. Step-by-step derivation

       1. lower-*.f64 N/A

          \[\leadsto \frac{1}{4} \cdot \frac{{y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)}{{y-scale}^{2}}}}{{b}^{\color{blue}{2}}} \]

       2. lower-/.f64 N/A

          \[\leadsto \frac{1}{4} \cdot \frac{{y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)}{{y-scale}^{2}}}}{{b}^{2}} \]

   13. Applied rewrites 4.3%

       \[\leadsto 0.25 \cdot \frac{\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(b \cdot b - \sqrt{{b}^{4}}\right)}{y-scale \cdot y-scale}}}{\color{blue}{b \cdot b}} \]

   if 1.15999999999999992e-179 < a

   1. Initial program 0.1%

      \[\frac{-\sqrt{\left(\left(2 \cdot \frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}\right) \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)\right) \cdot \left(\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} + \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right) - \sqrt{{\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} - \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right)}^{2} + {\left(\frac{\frac{\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right) \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)}{x-scale}}{y-scale}\right)}^{2}}\right)}}{\frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}} \]

   2. Taylor expanded in b around -inf

      \[\leadsto \color{blue}{\frac{-1}{4} \cdot \frac{b \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\left(\frac{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{x-scale}^{2}} + \frac{{\sin \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{y-scale}^{2}}\right) - \sqrt{4 \cdot \frac{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} \cdot {\sin \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{x-scale}^{2} \cdot {y-scale}^{2}} + {\left(\frac{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{x-scale}^{2}} - \frac{{\sin \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{y-scale}^{2}}\right)}^{2}}\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)}{{a}^{2}}} \]

   4. Applied rewrites 0.5%

      \[\leadsto \color{blue}{-0.25 \cdot \frac{b \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\left(\frac{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{x-scale \cdot x-scale} + \frac{{\sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{y-scale \cdot y-scale}\right) - \sqrt{\mathsf{fma}\left(4, \frac{{\left(\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right) \cdot \sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)\right)}^{2}}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}, {\left(\frac{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{x-scale \cdot x-scale} - \frac{{\sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{y-scale \cdot y-scale}\right)}^{2}\right)}\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)\right)}{a \cdot a}} \]

   5. Taylor expanded in x-scale around 0

      \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}{{y-scale}^{2}}}\right)}{a \cdot a} \]
   6. Step-by-step derivation

      1. lower-*.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)}{{y-scale}^{2}}}\right)}{a \cdot a} \]

   7. Applied rewrites 4.4%

      \[\leadsto -0.25 \cdot \frac{b \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2} - \sqrt{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)}{{y-scale}^{2}}}\right)}{a \cdot a} \]

   8. Taylor expanded in y-scale around 0

      \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]
   9. Step-by-step derivation

      1. lower-*.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

      2. lower-sqrt.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

      3. lower-*.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

      4. lift-pow.f64 N/A

         \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

   10. Applied rewrites 11.2%

       \[\leadsto -0.25 \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left({\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2} - \sqrt{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]

   11. Taylor expanded in angle around 0

       \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left(1 - \sqrt{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]
   12. Step-by-step derivation

   13. Applied rewrites 10.6%

       \[\leadsto -0.25 \cdot \frac{b \cdot \left(y-scale \cdot \sqrt{8 \cdot \left({a}^{4} \cdot \left(1 - \sqrt{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{4}}\right)\right)}\right)}{a \cdot a} \]
3. Recombined 2 regimes into one program.
4. Add Preprocessing

Alternative 5: 4.3% accurate, 11.0× speedup

Math

\[\begin{array}{l} a_m = \left|a\right| \\ y-scale_m = \left|y-scale\right| \\ 0.25 \cdot \frac{\left(y-scale\_m \cdot y-scale\_m\right) \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(b \cdot b - \sqrt{{b}^{4}}\right)}{y-scale\_m \cdot y-scale\_m}}}{b \cdot b} \end{array} \]

FPCore

a_m = (fabs.f64 a)
y-scale_m = (fabs.f64 y-scale)
(FPCore (a_m b angle x-scale y-scale_m)
 :precision binary64
 (*
  0.25
  (/
   (*
    (* y-scale_m y-scale_m)
    (sqrt
     (*
      8.0
      (/
       (* (pow b 4.0) (- (* b b) (sqrt (pow b 4.0))))
       (* y-scale_m y-scale_m)))))
   (* b b))))

C

a_m = fabs(a);
y-scale_m = fabs(y_45_scale);
double code(double a_m, double b, double angle, double x_45_scale, double y_45_scale_m) {
	return 0.25 * (((y_45_scale_m * y_45_scale_m) * sqrt((8.0 * ((pow(b, 4.0) * ((b * b) - sqrt(pow(b, 4.0)))) / (y_45_scale_m * y_45_scale_m))))) / (b * b));
}

Fortran

a_m =     private
y-scale_m =     private
module fmin_fmax_functions
    implicit none
    private
    public fmax
    public fmin

    interface fmax
        module procedure fmax88
        module procedure fmax44
        module procedure fmax84
        module procedure fmax48
    end interface
    interface fmin
        module procedure fmin88
        module procedure fmin44
        module procedure fmin84
        module procedure fmin48
    end interface
contains
    real(8) function fmax88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(4) function fmax44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(8) function fmax84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmax48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
    end function
    real(8) function fmin88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(4) function fmin44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(8) function fmin84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmin48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
    end function
end module

real(8) function code(a_m, b, angle, x_45scale, y_45scale_m)
use fmin_fmax_functions
    real(8), intent (in) :: a_m
    real(8), intent (in) :: b
    real(8), intent (in) :: angle
    real(8), intent (in) :: x_45scale
    real(8), intent (in) :: y_45scale_m
    code = 0.25d0 * (((y_45scale_m * y_45scale_m) * sqrt((8.0d0 * (((b ** 4.0d0) * ((b * b) - sqrt((b ** 4.0d0)))) / (y_45scale_m * y_45scale_m))))) / (b * b))
end function

Java

a_m = Math.abs(a);
y-scale_m = Math.abs(y_45_scale);
public static double code(double a_m, double b, double angle, double x_45_scale, double y_45_scale_m) {
	return 0.25 * (((y_45_scale_m * y_45_scale_m) * Math.sqrt((8.0 * ((Math.pow(b, 4.0) * ((b * b) - Math.sqrt(Math.pow(b, 4.0)))) / (y_45_scale_m * y_45_scale_m))))) / (b * b));
}

Python

a_m = math.fabs(a)
y-scale_m = math.fabs(y_45_scale)
def code(a_m, b, angle, x_45_scale, y_45_scale_m):
	return 0.25 * (((y_45_scale_m * y_45_scale_m) * math.sqrt((8.0 * ((math.pow(b, 4.0) * ((b * b) - math.sqrt(math.pow(b, 4.0)))) / (y_45_scale_m * y_45_scale_m))))) / (b * b))

Julia

a_m = abs(a)
y-scale_m = abs(y_45_scale)
function code(a_m, b, angle, x_45_scale, y_45_scale_m)
	return Float64(0.25 * Float64(Float64(Float64(y_45_scale_m * y_45_scale_m) * sqrt(Float64(8.0 * Float64(Float64((b ^ 4.0) * Float64(Float64(b * b) - sqrt((b ^ 4.0)))) / Float64(y_45_scale_m * y_45_scale_m))))) / Float64(b * b)))
end

MATLAB

a_m = abs(a);
y-scale_m = abs(y_45_scale);
function tmp = code(a_m, b, angle, x_45_scale, y_45_scale_m)
	tmp = 0.25 * (((y_45_scale_m * y_45_scale_m) * sqrt((8.0 * (((b ^ 4.0) * ((b * b) - sqrt((b ^ 4.0)))) / (y_45_scale_m * y_45_scale_m))))) / (b * b));
end

Wolfram

a_m = N[Abs[a], $MachinePrecision]
y-scale_m = N[Abs[y$45$scale], $MachinePrecision]
code[a$95$m_, b_, angle_, x$45$scale_, y$45$scale$95$m_] := N[(0.25 * N[(N[(N[(y$45$scale$95$m * y$45$scale$95$m), $MachinePrecision] * N[Sqrt[N[(8.0 * N[(N[(N[Power[b, 4.0], $MachinePrecision] * N[(N[(b * b), $MachinePrecision] - N[Sqrt[N[Power[b, 4.0], $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(y$45$scale$95$m * y$45$scale$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / N[(b * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]

Derivation

1. Initial program 0.1%

   \[\frac{-\sqrt{\left(\left(2 \cdot \frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}\right) \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)\right) \cdot \left(\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} + \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right) - \sqrt{{\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} - \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right)}^{2} + {\left(\frac{\frac{\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right) \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)}{x-scale}}{y-scale}\right)}^{2}}\right)}}{\frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}} \]

2. Taylor expanded in angle around 0

   \[\leadsto \color{blue}{\frac{1}{4} \cdot \frac{{x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(\left(\frac{{a}^{2}}{{y-scale}^{2}} + \frac{{b}^{2}}{{x-scale}^{2}}\right) - \sqrt{{\left(\frac{{b}^{2}}{{x-scale}^{2}} - \frac{{a}^{2}}{{y-scale}^{2}}\right)}^{2}}\right)\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)}{{a}^{2} \cdot {b}^{2}}} \]

4. Applied rewrites 0.1%

   \[\leadsto \color{blue}{0.25 \cdot \frac{\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(\left(\frac{a \cdot a}{y-scale \cdot y-scale} + \frac{b \cdot b}{x-scale \cdot x-scale}\right) - \sqrt{{\left(\frac{b \cdot b}{x-scale \cdot x-scale} - \frac{a \cdot a}{y-scale \cdot y-scale}\right)}^{2}}\right)\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)}{\left(a \cdot a\right) \cdot \left(b \cdot b\right)}} \]

5. Taylor expanded in a around -inf

   \[\leadsto \frac{-1}{4} \cdot \color{blue}{\frac{a \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)}{{b}^{2}}} \]

7. Applied rewrites 0.6%

   \[\leadsto -0.25 \cdot \color{blue}{\frac{a \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)}{{b}^{2}}} \]

8. Taylor expanded in x-scale around 0

   \[\leadsto \frac{1}{4} \cdot \frac{{y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)\right)}{{y-scale}^{2}}}}{{a}^{2} \cdot {b}^{2}} + \color{blue}{\frac{{a}^{2} \cdot \left({b}^{2} \cdot \left({x-scale}^{2} \cdot \left(\frac{{a}^{2}}{{y-scale}^{2}} - -1 \cdot \frac{{a}^{2} \cdot {b}^{2}}{{y-scale}^{2} \cdot \sqrt{{b}^{4}}}\right)\right)\right)}{\sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)\right)}{{y-scale}^{2}}}}} \]

10. Applied rewrites 0.1%

    \[\leadsto \mathsf{fma}\left(0.25, \color{blue}{\frac{\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(b \cdot b - \sqrt{{b}^{4}}\right)\right)}{y-scale \cdot y-scale}}}{\left(a \cdot a\right) \cdot \left(b \cdot b\right)}}, \frac{\left(a \cdot a\right) \cdot \left(\left(b \cdot b\right) \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\frac{a \cdot a}{y-scale \cdot y-scale} - -1 \cdot \frac{\left(a \cdot a\right) \cdot \left(b \cdot b\right)}{\left(y-scale \cdot y-scale\right) \cdot \sqrt{{b}^{4}}}\right)\right)\right)}{\sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(b \cdot b - \sqrt{{b}^{4}}\right)\right)}{y-scale \cdot y-scale}}}\right) \]

11. Taylor expanded in a around 0

    \[\leadsto \frac{1}{4} \cdot \frac{{y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)}{{y-scale}^{2}}}}{\color{blue}{{b}^{2}}} \]
12. Step-by-step derivation

    1. lower-*.f64 N/A

       \[\leadsto \frac{1}{4} \cdot \frac{{y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)}{{y-scale}^{2}}}}{{b}^{\color{blue}{2}}} \]

    2. lower-/.f64 N/A

       \[\leadsto \frac{1}{4} \cdot \frac{{y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left({b}^{2} - \sqrt{{b}^{4}}\right)}{{y-scale}^{2}}}}{{b}^{2}} \]

13. Applied rewrites 4.3%

    \[\leadsto 0.25 \cdot \frac{\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(b \cdot b - \sqrt{{b}^{4}}\right)}{y-scale \cdot y-scale}}}{\color{blue}{b \cdot b}} \]
14. Add Preprocessing

Alternative 6: 1.9% accurate, 12.2× speedup

Math

\[\begin{array}{l} a_m = \left|a\right| \\ y-scale_m = \left|y-scale\right| \\ -0.25 \cdot \left(a\_m \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale\_m \cdot y-scale\_m\right) \cdot \sqrt{8 \cdot \frac{\frac{1}{y-scale\_m \cdot y-scale\_m} - \sqrt{{y-scale\_m}^{-4}}}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale\_m \cdot y-scale\_m\right)}}\right)\right)\right) \end{array} \]

FPCore

a_m = (fabs.f64 a)
y-scale_m = (fabs.f64 y-scale)
(FPCore (a_m b angle x-scale y-scale_m)
 :precision binary64
 (*
  -0.25
  (*
   a_m
   (*
    (* x-scale x-scale)
    (*
     (* y-scale_m y-scale_m)
     (sqrt
      (*
       8.0
       (/
        (- (/ 1.0 (* y-scale_m y-scale_m)) (sqrt (pow y-scale_m -4.0)))
        (* (* x-scale x-scale) (* y-scale_m y-scale_m))))))))))

C

a_m = fabs(a);
y-scale_m = fabs(y_45_scale);
double code(double a_m, double b, double angle, double x_45_scale, double y_45_scale_m) {
	return -0.25 * (a_m * ((x_45_scale * x_45_scale) * ((y_45_scale_m * y_45_scale_m) * sqrt((8.0 * (((1.0 / (y_45_scale_m * y_45_scale_m)) - sqrt(pow(y_45_scale_m, -4.0))) / ((x_45_scale * x_45_scale) * (y_45_scale_m * y_45_scale_m))))))));
}

Fortran

a_m =     private
y-scale_m =     private
module fmin_fmax_functions
    implicit none
    private
    public fmax
    public fmin

    interface fmax
        module procedure fmax88
        module procedure fmax44
        module procedure fmax84
        module procedure fmax48
    end interface
    interface fmin
        module procedure fmin88
        module procedure fmin44
        module procedure fmin84
        module procedure fmin48
    end interface
contains
    real(8) function fmax88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(4) function fmax44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(8) function fmax84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmax48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
    end function
    real(8) function fmin88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(4) function fmin44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(8) function fmin84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmin48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
    end function
end module

real(8) function code(a_m, b, angle, x_45scale, y_45scale_m)
use fmin_fmax_functions
    real(8), intent (in) :: a_m
    real(8), intent (in) :: b
    real(8), intent (in) :: angle
    real(8), intent (in) :: x_45scale
    real(8), intent (in) :: y_45scale_m
    code = (-0.25d0) * (a_m * ((x_45scale * x_45scale) * ((y_45scale_m * y_45scale_m) * sqrt((8.0d0 * (((1.0d0 / (y_45scale_m * y_45scale_m)) - sqrt((y_45scale_m ** (-4.0d0)))) / ((x_45scale * x_45scale) * (y_45scale_m * y_45scale_m))))))))
end function

Java

a_m = Math.abs(a);
y-scale_m = Math.abs(y_45_scale);
public static double code(double a_m, double b, double angle, double x_45_scale, double y_45_scale_m) {
	return -0.25 * (a_m * ((x_45_scale * x_45_scale) * ((y_45_scale_m * y_45_scale_m) * Math.sqrt((8.0 * (((1.0 / (y_45_scale_m * y_45_scale_m)) - Math.sqrt(Math.pow(y_45_scale_m, -4.0))) / ((x_45_scale * x_45_scale) * (y_45_scale_m * y_45_scale_m))))))));
}

Python

a_m = math.fabs(a)
y-scale_m = math.fabs(y_45_scale)
def code(a_m, b, angle, x_45_scale, y_45_scale_m):
	return -0.25 * (a_m * ((x_45_scale * x_45_scale) * ((y_45_scale_m * y_45_scale_m) * math.sqrt((8.0 * (((1.0 / (y_45_scale_m * y_45_scale_m)) - math.sqrt(math.pow(y_45_scale_m, -4.0))) / ((x_45_scale * x_45_scale) * (y_45_scale_m * y_45_scale_m))))))))

Julia

a_m = abs(a)
y-scale_m = abs(y_45_scale)
function code(a_m, b, angle, x_45_scale, y_45_scale_m)
	return Float64(-0.25 * Float64(a_m * Float64(Float64(x_45_scale * x_45_scale) * Float64(Float64(y_45_scale_m * y_45_scale_m) * sqrt(Float64(8.0 * Float64(Float64(Float64(1.0 / Float64(y_45_scale_m * y_45_scale_m)) - sqrt((y_45_scale_m ^ -4.0))) / Float64(Float64(x_45_scale * x_45_scale) * Float64(y_45_scale_m * y_45_scale_m)))))))))
end

MATLAB

a_m = abs(a);
y-scale_m = abs(y_45_scale);
function tmp = code(a_m, b, angle, x_45_scale, y_45_scale_m)
	tmp = -0.25 * (a_m * ((x_45_scale * x_45_scale) * ((y_45_scale_m * y_45_scale_m) * sqrt((8.0 * (((1.0 / (y_45_scale_m * y_45_scale_m)) - sqrt((y_45_scale_m ^ -4.0))) / ((x_45_scale * x_45_scale) * (y_45_scale_m * y_45_scale_m))))))));
end

Wolfram

a_m = N[Abs[a], $MachinePrecision]
y-scale_m = N[Abs[y$45$scale], $MachinePrecision]
code[a$95$m_, b_, angle_, x$45$scale_, y$45$scale$95$m_] := N[(-0.25 * N[(a$95$m * N[(N[(x$45$scale * x$45$scale), $MachinePrecision] * N[(N[(y$45$scale$95$m * y$45$scale$95$m), $MachinePrecision] * N[Sqrt[N[(8.0 * N[(N[(N[(1.0 / N[(y$45$scale$95$m * y$45$scale$95$m), $MachinePrecision]), $MachinePrecision] - N[Sqrt[N[Power[y$45$scale$95$m, -4.0], $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / N[(N[(x$45$scale * x$45$scale), $MachinePrecision] * N[(y$45$scale$95$m * y$45$scale$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]

Derivation

1. Initial program 0.1%

   \[\frac{-\sqrt{\left(\left(2 \cdot \frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}\right) \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)\right) \cdot \left(\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} + \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right) - \sqrt{{\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} - \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right)}^{2} + {\left(\frac{\frac{\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right) \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)}{x-scale}}{y-scale}\right)}^{2}}\right)}}{\frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}} \]

2. Taylor expanded in angle around 0

   \[\leadsto \color{blue}{\frac{1}{4} \cdot \frac{{x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(\left(\frac{{a}^{2}}{{y-scale}^{2}} + \frac{{b}^{2}}{{x-scale}^{2}}\right) - \sqrt{{\left(\frac{{b}^{2}}{{x-scale}^{2}} - \frac{{a}^{2}}{{y-scale}^{2}}\right)}^{2}}\right)\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)}{{a}^{2} \cdot {b}^{2}}} \]

4. Applied rewrites 0.1%

   \[\leadsto \color{blue}{0.25 \cdot \frac{\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(\left(\frac{a \cdot a}{y-scale \cdot y-scale} + \frac{b \cdot b}{x-scale \cdot x-scale}\right) - \sqrt{{\left(\frac{b \cdot b}{x-scale \cdot x-scale} - \frac{a \cdot a}{y-scale \cdot y-scale}\right)}^{2}}\right)\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)}{\left(a \cdot a\right) \cdot \left(b \cdot b\right)}} \]

5. Taylor expanded in a around -inf

   \[\leadsto \frac{-1}{4} \cdot \color{blue}{\frac{a \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)}{{b}^{2}}} \]

7. Applied rewrites 0.6%

   \[\leadsto -0.25 \cdot \color{blue}{\frac{a \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)}{{b}^{2}}} \]

8. Taylor expanded in b around 0

   \[\leadsto \frac{-1}{4} \cdot \left(a \cdot \left({x-scale}^{2} \cdot \color{blue}{\left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)}\right)\right) \]
9. Step-by-step derivation

   1. lower-*.f64 N/A

      \[\leadsto \frac{-1}{4} \cdot \left(a \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \color{blue}{\sqrt{8 \cdot \frac{\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}}{{x-scale}^{2} \cdot {y-scale}^{2}}}}\right)\right)\right) \]

   2. lower-*.f64 N/A

      \[\leadsto \frac{-1}{4} \cdot \left(a \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)\right) \]

   3. pow2 N/A

      \[\leadsto \frac{-1}{4} \cdot \left(a \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)\right) \]

   4. lift-*.f64 N/A

      \[\leadsto \frac{-1}{4} \cdot \left(a \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)\right) \]

   5. lower-*.f64 N/A

      \[\leadsto \frac{-1}{4} \cdot \left(a \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)\right) \]

   6. pow2 N/A

      \[\leadsto \frac{-1}{4} \cdot \left(a \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)\right) \]

   7. lift-*.f64 N/A

      \[\leadsto \frac{-1}{4} \cdot \left(a \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)\right) \]

   8. lower-sqrt.f64 N/A

      \[\leadsto \frac{-1}{4} \cdot \left(a \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)\right) \]

10. Applied rewrites 1.9%

    \[\leadsto -0.25 \cdot \left(a \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \color{blue}{\left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{\frac{1}{y-scale \cdot y-scale} - \sqrt{{y-scale}^{-4}}}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)}\right)\right) \]
11. Add Preprocessing

Alternative 7: 0.9% accurate, 12.5× speedup

Math

\[\begin{array}{l} a_m = \left|a\right| \\ y-scale_m = \left|y-scale\right| \\ -0.25 \cdot \frac{b \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale\_m \cdot y-scale\_m\right) \cdot \sqrt{8 \cdot \frac{{a\_m}^{4} \cdot 0}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale\_m \cdot y-scale\_m\right)}}\right)\right)}{a\_m \cdot a\_m} \end{array} \]

FPCore

a_m = (fabs.f64 a)
y-scale_m = (fabs.f64 y-scale)
(FPCore (a_m b angle x-scale y-scale_m)
 :precision binary64
 (*
  -0.25
  (/
   (*
    b
    (*
     (* x-scale x-scale)
     (*
      (* y-scale_m y-scale_m)
      (sqrt
       (*
        8.0
        (/
         (* (pow a_m 4.0) 0.0)
         (* (* x-scale x-scale) (* y-scale_m y-scale_m))))))))
   (* a_m a_m))))

C

a_m = fabs(a);
y-scale_m = fabs(y_45_scale);
double code(double a_m, double b, double angle, double x_45_scale, double y_45_scale_m) {
	return -0.25 * ((b * ((x_45_scale * x_45_scale) * ((y_45_scale_m * y_45_scale_m) * sqrt((8.0 * ((pow(a_m, 4.0) * 0.0) / ((x_45_scale * x_45_scale) * (y_45_scale_m * y_45_scale_m)))))))) / (a_m * a_m));
}

Fortran

a_m =     private
y-scale_m =     private
module fmin_fmax_functions
    implicit none
    private
    public fmax
    public fmin

    interface fmax
        module procedure fmax88
        module procedure fmax44
        module procedure fmax84
        module procedure fmax48
    end interface
    interface fmin
        module procedure fmin88
        module procedure fmin44
        module procedure fmin84
        module procedure fmin48
    end interface
contains
    real(8) function fmax88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(4) function fmax44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, max(x, y), y /= y), x /= x)
    end function
    real(8) function fmax84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmax48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
    end function
    real(8) function fmin88(x, y) result (res)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(4) function fmin44(x, y) result (res)
        real(4), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(y, merge(x, min(x, y), y /= y), x /= x)
    end function
    real(8) function fmin84(x, y) result(res)
        real(8), intent (in) :: x
        real(4), intent (in) :: y
        res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
    end function
    real(8) function fmin48(x, y) result(res)
        real(4), intent (in) :: x
        real(8), intent (in) :: y
        res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
    end function
end module

real(8) function code(a_m, b, angle, x_45scale, y_45scale_m)
use fmin_fmax_functions
    real(8), intent (in) :: a_m
    real(8), intent (in) :: b
    real(8), intent (in) :: angle
    real(8), intent (in) :: x_45scale
    real(8), intent (in) :: y_45scale_m
    code = (-0.25d0) * ((b * ((x_45scale * x_45scale) * ((y_45scale_m * y_45scale_m) * sqrt((8.0d0 * (((a_m ** 4.0d0) * 0.0d0) / ((x_45scale * x_45scale) * (y_45scale_m * y_45scale_m)))))))) / (a_m * a_m))
end function

Java

a_m = Math.abs(a);
y-scale_m = Math.abs(y_45_scale);
public static double code(double a_m, double b, double angle, double x_45_scale, double y_45_scale_m) {
	return -0.25 * ((b * ((x_45_scale * x_45_scale) * ((y_45_scale_m * y_45_scale_m) * Math.sqrt((8.0 * ((Math.pow(a_m, 4.0) * 0.0) / ((x_45_scale * x_45_scale) * (y_45_scale_m * y_45_scale_m)))))))) / (a_m * a_m));
}

Python

a_m = math.fabs(a)
y-scale_m = math.fabs(y_45_scale)
def code(a_m, b, angle, x_45_scale, y_45_scale_m):
	return -0.25 * ((b * ((x_45_scale * x_45_scale) * ((y_45_scale_m * y_45_scale_m) * math.sqrt((8.0 * ((math.pow(a_m, 4.0) * 0.0) / ((x_45_scale * x_45_scale) * (y_45_scale_m * y_45_scale_m)))))))) / (a_m * a_m))

Julia

a_m = abs(a)
y-scale_m = abs(y_45_scale)
function code(a_m, b, angle, x_45_scale, y_45_scale_m)
	return Float64(-0.25 * Float64(Float64(b * Float64(Float64(x_45_scale * x_45_scale) * Float64(Float64(y_45_scale_m * y_45_scale_m) * sqrt(Float64(8.0 * Float64(Float64((a_m ^ 4.0) * 0.0) / Float64(Float64(x_45_scale * x_45_scale) * Float64(y_45_scale_m * y_45_scale_m)))))))) / Float64(a_m * a_m)))
end

MATLAB

a_m = abs(a);
y-scale_m = abs(y_45_scale);
function tmp = code(a_m, b, angle, x_45_scale, y_45_scale_m)
	tmp = -0.25 * ((b * ((x_45_scale * x_45_scale) * ((y_45_scale_m * y_45_scale_m) * sqrt((8.0 * (((a_m ^ 4.0) * 0.0) / ((x_45_scale * x_45_scale) * (y_45_scale_m * y_45_scale_m)))))))) / (a_m * a_m));
end

Wolfram

a_m = N[Abs[a], $MachinePrecision]
y-scale_m = N[Abs[y$45$scale], $MachinePrecision]
code[a$95$m_, b_, angle_, x$45$scale_, y$45$scale$95$m_] := N[(-0.25 * N[(N[(b * N[(N[(x$45$scale * x$45$scale), $MachinePrecision] * N[(N[(y$45$scale$95$m * y$45$scale$95$m), $MachinePrecision] * N[Sqrt[N[(8.0 * N[(N[(N[Power[a$95$m, 4.0], $MachinePrecision] * 0.0), $MachinePrecision] / N[(N[(x$45$scale * x$45$scale), $MachinePrecision] * N[(y$45$scale$95$m * y$45$scale$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(a$95$m * a$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]

Derivation

1. Initial program 0.1%

   \[\frac{-\sqrt{\left(\left(2 \cdot \frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}\right) \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)\right) \cdot \left(\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} + \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right) - \sqrt{{\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} - \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right)}^{2} + {\left(\frac{\frac{\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right) \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)}{x-scale}}{y-scale}\right)}^{2}}\right)}}{\frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}} \]

2. Taylor expanded in b around -inf

   \[\leadsto \color{blue}{\frac{-1}{4} \cdot \frac{b \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\left(\frac{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{x-scale}^{2}} + \frac{{\sin \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{y-scale}^{2}}\right) - \sqrt{4 \cdot \frac{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} \cdot {\sin \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{x-scale}^{2} \cdot {y-scale}^{2}} + {\left(\frac{{\cos \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{x-scale}^{2}} - \frac{{\sin \left(\frac{1}{180} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}}{{y-scale}^{2}}\right)}^{2}}\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)}{{a}^{2}}} \]

4. Applied rewrites 0.5%

   \[\leadsto \color{blue}{-0.25 \cdot \frac{b \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\left(\frac{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{x-scale \cdot x-scale} + \frac{{\sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{y-scale \cdot y-scale}\right) - \sqrt{\mathsf{fma}\left(4, \frac{{\left(\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right) \cdot \sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)\right)}^{2}}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}, {\left(\frac{{\cos \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{x-scale \cdot x-scale} - \frac{{\sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)}^{2}}{y-scale \cdot y-scale}\right)}^{2}\right)}\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)\right)}{a \cdot a}} \]

5. Taylor expanded in angle around 0

   \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\frac{1}{{x-scale}^{2}} - \sqrt{\frac{1}{{x-scale}^{4}}}\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)\right)}{a \cdot a} \]
6. Step-by-step derivation

   1. lower--.f64 N/A

      \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\frac{1}{{x-scale}^{2}} - \sqrt{\frac{1}{{x-scale}^{4}}}\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)\right)}{a \cdot a} \]

   2. lower-/.f64 N/A

      \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\frac{1}{{x-scale}^{2}} - \sqrt{\frac{1}{{x-scale}^{4}}}\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)\right)}{a \cdot a} \]

   3. lower-pow.f64 N/A

      \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\frac{1}{{x-scale}^{2}} - \sqrt{\frac{1}{{x-scale}^{4}}}\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)\right)}{a \cdot a} \]

   4. lower-sqrt.f64 N/A

      \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\frac{1}{{x-scale}^{2}} - \sqrt{\frac{1}{{x-scale}^{4}}}\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)\right)}{a \cdot a} \]

   5. lower-/.f64 N/A

      \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\frac{1}{{x-scale}^{2}} - \sqrt{\frac{1}{{x-scale}^{4}}}\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)\right)}{a \cdot a} \]

   6. lower-pow.f64 0.7

      \[\leadsto -0.25 \cdot \frac{b \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\frac{1}{{x-scale}^{2}} - \sqrt{\frac{1}{{x-scale}^{4}}}\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)\right)}{a \cdot a} \]

7. Applied rewrites 0.7%

   \[\leadsto -0.25 \cdot \frac{b \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left(\frac{1}{{x-scale}^{2}} - \sqrt{\frac{1}{{x-scale}^{4}}}\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)\right)}{a \cdot a} \]

8. Taylor expanded in x-scale around 0

   \[\leadsto \frac{-1}{4} \cdot \frac{b \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot 0}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)\right)}{a \cdot a} \]
9. Step-by-step derivation

10. Applied rewrites 0.9%

    \[\leadsto -0.25 \cdot \frac{b \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot 0}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)\right)}{a \cdot a} \]
11. Add Preprocessing

Alternative 8: 0.0% accurate, 20.0× speedup

Math

\[\begin{array}{l} a_m = \left|a\right| \\ y-scale_m = \left|y-scale\right| \\ -0.25 \cdot \frac{a\_m \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left({y-scale\_m}^{21} \cdot \mathsf{NaN}\right)\right)}{b \cdot b} \end{array} \]

FPCore

a_m = (fabs.f64 a)
y-scale_m = (fabs.f64 y-scale)
(FPCore (a_m b angle x-scale y-scale_m)
 :precision binary64
 (*
  -0.25
  (/ (* a_m (* (* x-scale x-scale) (* (pow y-scale_m 21.0) NAN))) (* b b))))

C

a_m = fabs(a);
y-scale_m = fabs(y_45_scale);
double code(double a_m, double b, double angle, double x_45_scale, double y_45_scale_m) {
	return -0.25 * ((a_m * ((x_45_scale * x_45_scale) * (pow(y_45_scale_m, 21.0) * ((double) NAN)))) / (b * b));
}

Java

a_m = Math.abs(a);
y-scale_m = Math.abs(y_45_scale);
public static double code(double a_m, double b, double angle, double x_45_scale, double y_45_scale_m) {
	return -0.25 * ((a_m * ((x_45_scale * x_45_scale) * (Math.pow(y_45_scale_m, 21.0) * Double.NaN))) / (b * b));
}

Python

a_m = math.fabs(a)
y-scale_m = math.fabs(y_45_scale)
def code(a_m, b, angle, x_45_scale, y_45_scale_m):
	return -0.25 * ((a_m * ((x_45_scale * x_45_scale) * (math.pow(y_45_scale_m, 21.0) * math.nan))) / (b * b))

Julia

a_m = abs(a)
y-scale_m = abs(y_45_scale)
function code(a_m, b, angle, x_45_scale, y_45_scale_m)
	return Float64(-0.25 * Float64(Float64(a_m * Float64(Float64(x_45_scale * x_45_scale) * Float64((y_45_scale_m ^ 21.0) * NaN))) / Float64(b * b)))
end

MATLAB

a_m = abs(a);
y-scale_m = abs(y_45_scale);
function tmp = code(a_m, b, angle, x_45_scale, y_45_scale_m)
	tmp = -0.25 * ((a_m * ((x_45_scale * x_45_scale) * ((y_45_scale_m ^ 21.0) * NaN))) / (b * b));
end

Wolfram

a_m = N[Abs[a], $MachinePrecision]
y-scale_m = N[Abs[y$45$scale], $MachinePrecision]
code[a$95$m_, b_, angle_, x$45$scale_, y$45$scale$95$m_] := N[(-0.25 * N[(N[(a$95$m * N[(N[(x$45$scale * x$45$scale), $MachinePrecision] * N[(N[Power[y$45$scale$95$m, 21.0], $MachinePrecision] * Indeterminate), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(b * b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]

Derivation

1. Initial program 0.1%

   \[\frac{-\sqrt{\left(\left(2 \cdot \frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}\right) \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)\right) \cdot \left(\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} + \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right) - \sqrt{{\left(\frac{\frac{{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{x-scale}}{x-scale} - \frac{\frac{{\left(a \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}}{y-scale}}{y-scale}\right)}^{2} + {\left(\frac{\frac{\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right) \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)}{x-scale}}{y-scale}\right)}^{2}}\right)}}{\frac{4 \cdot \left(\left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\right)}{{\left(x-scale \cdot y-scale\right)}^{2}}} \]

2. Taylor expanded in angle around 0

   \[\leadsto \color{blue}{\frac{1}{4} \cdot \frac{{x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(\left(\frac{{a}^{2}}{{y-scale}^{2}} + \frac{{b}^{2}}{{x-scale}^{2}}\right) - \sqrt{{\left(\frac{{b}^{2}}{{x-scale}^{2}} - \frac{{a}^{2}}{{y-scale}^{2}}\right)}^{2}}\right)\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)}{{a}^{2} \cdot {b}^{2}}} \]

4. Applied rewrites 0.1%

   \[\leadsto \color{blue}{0.25 \cdot \frac{\left(x-scale \cdot x-scale\right) \cdot \left(\left(y-scale \cdot y-scale\right) \cdot \sqrt{8 \cdot \frac{{a}^{4} \cdot \left({b}^{4} \cdot \left(\left(\frac{a \cdot a}{y-scale \cdot y-scale} + \frac{b \cdot b}{x-scale \cdot x-scale}\right) - \sqrt{{\left(\frac{b \cdot b}{x-scale \cdot x-scale} - \frac{a \cdot a}{y-scale \cdot y-scale}\right)}^{2}}\right)\right)}{\left(x-scale \cdot x-scale\right) \cdot \left(y-scale \cdot y-scale\right)}}\right)}{\left(a \cdot a\right) \cdot \left(b \cdot b\right)}} \]

5. Taylor expanded in a around -inf

   \[\leadsto \frac{-1}{4} \cdot \color{blue}{\frac{a \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)}{{b}^{2}}} \]

7. Applied rewrites 0.6%

   \[\leadsto -0.25 \cdot \color{blue}{\frac{a \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{2} \cdot \sqrt{8 \cdot \frac{{b}^{4} \cdot \left(\frac{1}{{y-scale}^{2}} - \sqrt{\frac{1}{{y-scale}^{4}}}\right)}{{x-scale}^{2} \cdot {y-scale}^{2}}}\right)\right)}{{b}^{2}}} \]

8. Taylor expanded in y-scale around 0

   \[\leadsto \frac{-1}{4} \cdot \frac{a \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{21} \cdot \mathsf{NAN}\left(\right)\right)\right)}{{b}^{\color{blue}{2}}} \]
9. Step-by-step derivation

   1. lower-/.f64 N/A

      \[\leadsto \frac{-1}{4} \cdot \frac{a \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{21} \cdot \mathsf{NAN}\left(\right)\right)\right)}{{b}^{2}} \]

   2. lower-*.f64 N/A

      \[\leadsto \frac{-1}{4} \cdot \frac{a \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{21} \cdot \mathsf{NAN}\left(\right)\right)\right)}{{b}^{2}} \]

   3. lower-*.f64 N/A

      \[\leadsto \frac{-1}{4} \cdot \frac{a \cdot \left({x-scale}^{2} \cdot \left({y-scale}^{21} \cdot \mathsf{NAN}\left(\right)\right)\right)}{{b}^{2}} \]

   4. pow2 N/A

      \[\leadsto \frac{-1}{4} \cdot \frac{a \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left({y-scale}^{21} \cdot \mathsf{NAN}\left(\right)\right)\right)}{{b}^{2}} \]

   5. lift-*.f64 N/A

      \[\leadsto \frac{-1}{4} \cdot \frac{a \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left({y-scale}^{21} \cdot \mathsf{NAN}\left(\right)\right)\right)}{{b}^{2}} \]

   6. lower-*.f64 N/A

      \[\leadsto \frac{-1}{4} \cdot \frac{a \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left({y-scale}^{21} \cdot \mathsf{NAN}\left(\right)\right)\right)}{{b}^{2}} \]

   7. lower-pow.f64 N/A

      \[\leadsto \frac{-1}{4} \cdot \frac{a \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left({y-scale}^{21} \cdot \mathsf{NAN}\left(\right)\right)\right)}{{b}^{2}} \]

   8. lower-NAN.f64 N/A

      \[\leadsto \frac{-1}{4} \cdot \frac{a \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left({y-scale}^{21} \cdot \mathsf{NaN}\right)\right)}{{b}^{2}} \]

   9. pow2 N/A

      \[\leadsto \frac{-1}{4} \cdot \frac{a \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left({y-scale}^{21} \cdot \mathsf{NaN}\right)\right)}{b \cdot b} \]

   10. lower-*.f64 0.0

       \[\leadsto -0.25 \cdot \frac{a \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left({y-scale}^{21} \cdot \mathsf{NaN}\right)\right)}{b \cdot b} \]

10. Applied rewrites 0.0%

    \[\leadsto -0.25 \cdot \frac{a \cdot \left(\left(x-scale \cdot x-scale\right) \cdot \left({y-scale}^{21} \cdot \mathsf{NaN}\right)\right)}{b \cdot \color{blue}{b}} \]
11. Add Preprocessing

Reproduce

herbie shell --seed 2025139 
(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))))