
(FPCore (a b angle x-scale y-scale)
:precision binary64
(let* ((t_0 (* (/ angle 180.0) PI))
(t_1 (sin t_0))
(t_2 (cos t_0))
(t_3
(/ (/ (+ (pow (* a t_2) 2.0) (pow (* b t_1) 2.0)) y-scale) y-scale))
(t_4
(/ (/ (+ (pow (* a t_1) 2.0) (pow (* b t_2) 2.0)) x-scale) x-scale))
(t_5 (* (* b a) (* b (- a))))
(t_6 (/ (* 4.0 t_5) (pow (* x-scale y-scale) 2.0))))
(/
(-
(sqrt
(*
(* (* 2.0 t_6) t_5)
(-
(+ t_4 t_3)
(sqrt
(+
(pow (- t_4 t_3) 2.0)
(pow
(/
(/ (* (* (* 2.0 (- (pow b 2.0) (pow a 2.0))) t_1) t_2) x-scale)
y-scale)
2.0)))))))
t_6)))
double code(double a, double b, double angle, double x_45_scale, double y_45_scale) {
double t_0 = (angle / 180.0) * ((double) M_PI);
double t_1 = sin(t_0);
double t_2 = cos(t_0);
double t_3 = ((pow((a * t_2), 2.0) + pow((b * t_1), 2.0)) / y_45_scale) / y_45_scale;
double t_4 = ((pow((a * t_1), 2.0) + pow((b * t_2), 2.0)) / x_45_scale) / x_45_scale;
double t_5 = (b * a) * (b * -a);
double t_6 = (4.0 * t_5) / pow((x_45_scale * y_45_scale), 2.0);
return -sqrt((((2.0 * t_6) * t_5) * ((t_4 + t_3) - sqrt((pow((t_4 - t_3), 2.0) + pow((((((2.0 * (pow(b, 2.0) - pow(a, 2.0))) * t_1) * t_2) / x_45_scale) / y_45_scale), 2.0)))))) / t_6;
}
public static double code(double a, double b, double angle, double x_45_scale, double y_45_scale) {
double t_0 = (angle / 180.0) * Math.PI;
double t_1 = Math.sin(t_0);
double t_2 = Math.cos(t_0);
double t_3 = ((Math.pow((a * t_2), 2.0) + Math.pow((b * t_1), 2.0)) / y_45_scale) / y_45_scale;
double t_4 = ((Math.pow((a * t_1), 2.0) + Math.pow((b * t_2), 2.0)) / x_45_scale) / x_45_scale;
double t_5 = (b * a) * (b * -a);
double t_6 = (4.0 * t_5) / Math.pow((x_45_scale * y_45_scale), 2.0);
return -Math.sqrt((((2.0 * t_6) * t_5) * ((t_4 + t_3) - Math.sqrt((Math.pow((t_4 - t_3), 2.0) + Math.pow((((((2.0 * (Math.pow(b, 2.0) - Math.pow(a, 2.0))) * t_1) * t_2) / x_45_scale) / y_45_scale), 2.0)))))) / t_6;
}
def code(a, b, angle, x_45_scale, y_45_scale): t_0 = (angle / 180.0) * math.pi t_1 = math.sin(t_0) t_2 = math.cos(t_0) t_3 = ((math.pow((a * t_2), 2.0) + math.pow((b * t_1), 2.0)) / y_45_scale) / y_45_scale t_4 = ((math.pow((a * t_1), 2.0) + math.pow((b * t_2), 2.0)) / x_45_scale) / x_45_scale t_5 = (b * a) * (b * -a) t_6 = (4.0 * t_5) / math.pow((x_45_scale * y_45_scale), 2.0) return -math.sqrt((((2.0 * t_6) * t_5) * ((t_4 + t_3) - math.sqrt((math.pow((t_4 - t_3), 2.0) + math.pow((((((2.0 * (math.pow(b, 2.0) - math.pow(a, 2.0))) * t_1) * t_2) / x_45_scale) / y_45_scale), 2.0)))))) / t_6
function code(a, b, angle, x_45_scale, y_45_scale) t_0 = Float64(Float64(angle / 180.0) * pi) t_1 = sin(t_0) t_2 = cos(t_0) t_3 = Float64(Float64(Float64((Float64(a * t_2) ^ 2.0) + (Float64(b * t_1) ^ 2.0)) / y_45_scale) / y_45_scale) t_4 = Float64(Float64(Float64((Float64(a * t_1) ^ 2.0) + (Float64(b * t_2) ^ 2.0)) / x_45_scale) / x_45_scale) t_5 = Float64(Float64(b * a) * Float64(b * Float64(-a))) t_6 = Float64(Float64(4.0 * t_5) / (Float64(x_45_scale * y_45_scale) ^ 2.0)) return Float64(Float64(-sqrt(Float64(Float64(Float64(2.0 * t_6) * t_5) * Float64(Float64(t_4 + t_3) - sqrt(Float64((Float64(t_4 - t_3) ^ 2.0) + (Float64(Float64(Float64(Float64(Float64(2.0 * Float64((b ^ 2.0) - (a ^ 2.0))) * t_1) * t_2) / x_45_scale) / y_45_scale) ^ 2.0))))))) / t_6) end
function tmp = code(a, b, angle, x_45_scale, y_45_scale) t_0 = (angle / 180.0) * pi; t_1 = sin(t_0); t_2 = cos(t_0); t_3 = ((((a * t_2) ^ 2.0) + ((b * t_1) ^ 2.0)) / y_45_scale) / y_45_scale; t_4 = ((((a * t_1) ^ 2.0) + ((b * t_2) ^ 2.0)) / x_45_scale) / x_45_scale; t_5 = (b * a) * (b * -a); t_6 = (4.0 * t_5) / ((x_45_scale * y_45_scale) ^ 2.0); tmp = -sqrt((((2.0 * t_6) * t_5) * ((t_4 + t_3) - sqrt((((t_4 - t_3) ^ 2.0) + ((((((2.0 * ((b ^ 2.0) - (a ^ 2.0))) * t_1) * t_2) / x_45_scale) / y_45_scale) ^ 2.0)))))) / t_6; end
code[a_, b_, angle_, x$45$scale_, y$45$scale_] := Block[{t$95$0 = N[(N[(angle / 180.0), $MachinePrecision] * Pi), $MachinePrecision]}, Block[{t$95$1 = N[Sin[t$95$0], $MachinePrecision]}, Block[{t$95$2 = N[Cos[t$95$0], $MachinePrecision]}, Block[{t$95$3 = N[(N[(N[(N[Power[N[(a * t$95$2), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * t$95$1), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] / y$45$scale), $MachinePrecision] / y$45$scale), $MachinePrecision]}, Block[{t$95$4 = N[(N[(N[(N[Power[N[(a * t$95$1), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * t$95$2), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] / x$45$scale), $MachinePrecision] / x$45$scale), $MachinePrecision]}, Block[{t$95$5 = N[(N[(b * a), $MachinePrecision] * N[(b * (-a)), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$6 = N[(N[(4.0 * t$95$5), $MachinePrecision] / N[Power[N[(x$45$scale * y$45$scale), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]}, N[((-N[Sqrt[N[(N[(N[(2.0 * t$95$6), $MachinePrecision] * t$95$5), $MachinePrecision] * N[(N[(t$95$4 + t$95$3), $MachinePrecision] - N[Sqrt[N[(N[Power[N[(t$95$4 - t$95$3), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(N[(N[(N[(N[(2.0 * N[(N[Power[b, 2.0], $MachinePrecision] - N[Power[a, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * t$95$1), $MachinePrecision] * t$95$2), $MachinePrecision] / x$45$scale), $MachinePrecision] / y$45$scale), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]) / t$95$6), $MachinePrecision]]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{angle}{180} \cdot \pi\\
t_1 := \sin t\_0\\
t_2 := \cos t\_0\\
t_3 := \frac{\frac{{\left(a \cdot t\_2\right)}^{2} + {\left(b \cdot t\_1\right)}^{2}}{y-scale}}{y-scale}\\
t_4 := \frac{\frac{{\left(a \cdot t\_1\right)}^{2} + {\left(b \cdot t\_2\right)}^{2}}{x-scale}}{x-scale}\\
t_5 := \left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\\
t_6 := \frac{4 \cdot t\_5}{{\left(x-scale \cdot y-scale\right)}^{2}}\\
\frac{-\sqrt{\left(\left(2 \cdot t\_6\right) \cdot t\_5\right) \cdot \left(\left(t\_4 + t\_3\right) - \sqrt{{\left(t\_4 - t\_3\right)}^{2} + {\left(\frac{\frac{\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot t\_1\right) \cdot t\_2}{x-scale}}{y-scale}\right)}^{2}}\right)}}{t\_6}
\end{array}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 3 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (a b angle x-scale y-scale)
:precision binary64
(let* ((t_0 (* (/ angle 180.0) PI))
(t_1 (sin t_0))
(t_2 (cos t_0))
(t_3
(/ (/ (+ (pow (* a t_2) 2.0) (pow (* b t_1) 2.0)) y-scale) y-scale))
(t_4
(/ (/ (+ (pow (* a t_1) 2.0) (pow (* b t_2) 2.0)) x-scale) x-scale))
(t_5 (* (* b a) (* b (- a))))
(t_6 (/ (* 4.0 t_5) (pow (* x-scale y-scale) 2.0))))
(/
(-
(sqrt
(*
(* (* 2.0 t_6) t_5)
(-
(+ t_4 t_3)
(sqrt
(+
(pow (- t_4 t_3) 2.0)
(pow
(/
(/ (* (* (* 2.0 (- (pow b 2.0) (pow a 2.0))) t_1) t_2) x-scale)
y-scale)
2.0)))))))
t_6)))
double code(double a, double b, double angle, double x_45_scale, double y_45_scale) {
double t_0 = (angle / 180.0) * ((double) M_PI);
double t_1 = sin(t_0);
double t_2 = cos(t_0);
double t_3 = ((pow((a * t_2), 2.0) + pow((b * t_1), 2.0)) / y_45_scale) / y_45_scale;
double t_4 = ((pow((a * t_1), 2.0) + pow((b * t_2), 2.0)) / x_45_scale) / x_45_scale;
double t_5 = (b * a) * (b * -a);
double t_6 = (4.0 * t_5) / pow((x_45_scale * y_45_scale), 2.0);
return -sqrt((((2.0 * t_6) * t_5) * ((t_4 + t_3) - sqrt((pow((t_4 - t_3), 2.0) + pow((((((2.0 * (pow(b, 2.0) - pow(a, 2.0))) * t_1) * t_2) / x_45_scale) / y_45_scale), 2.0)))))) / t_6;
}
public static double code(double a, double b, double angle, double x_45_scale, double y_45_scale) {
double t_0 = (angle / 180.0) * Math.PI;
double t_1 = Math.sin(t_0);
double t_2 = Math.cos(t_0);
double t_3 = ((Math.pow((a * t_2), 2.0) + Math.pow((b * t_1), 2.0)) / y_45_scale) / y_45_scale;
double t_4 = ((Math.pow((a * t_1), 2.0) + Math.pow((b * t_2), 2.0)) / x_45_scale) / x_45_scale;
double t_5 = (b * a) * (b * -a);
double t_6 = (4.0 * t_5) / Math.pow((x_45_scale * y_45_scale), 2.0);
return -Math.sqrt((((2.0 * t_6) * t_5) * ((t_4 + t_3) - Math.sqrt((Math.pow((t_4 - t_3), 2.0) + Math.pow((((((2.0 * (Math.pow(b, 2.0) - Math.pow(a, 2.0))) * t_1) * t_2) / x_45_scale) / y_45_scale), 2.0)))))) / t_6;
}
def code(a, b, angle, x_45_scale, y_45_scale): t_0 = (angle / 180.0) * math.pi t_1 = math.sin(t_0) t_2 = math.cos(t_0) t_3 = ((math.pow((a * t_2), 2.0) + math.pow((b * t_1), 2.0)) / y_45_scale) / y_45_scale t_4 = ((math.pow((a * t_1), 2.0) + math.pow((b * t_2), 2.0)) / x_45_scale) / x_45_scale t_5 = (b * a) * (b * -a) t_6 = (4.0 * t_5) / math.pow((x_45_scale * y_45_scale), 2.0) return -math.sqrt((((2.0 * t_6) * t_5) * ((t_4 + t_3) - math.sqrt((math.pow((t_4 - t_3), 2.0) + math.pow((((((2.0 * (math.pow(b, 2.0) - math.pow(a, 2.0))) * t_1) * t_2) / x_45_scale) / y_45_scale), 2.0)))))) / t_6
function code(a, b, angle, x_45_scale, y_45_scale) t_0 = Float64(Float64(angle / 180.0) * pi) t_1 = sin(t_0) t_2 = cos(t_0) t_3 = Float64(Float64(Float64((Float64(a * t_2) ^ 2.0) + (Float64(b * t_1) ^ 2.0)) / y_45_scale) / y_45_scale) t_4 = Float64(Float64(Float64((Float64(a * t_1) ^ 2.0) + (Float64(b * t_2) ^ 2.0)) / x_45_scale) / x_45_scale) t_5 = Float64(Float64(b * a) * Float64(b * Float64(-a))) t_6 = Float64(Float64(4.0 * t_5) / (Float64(x_45_scale * y_45_scale) ^ 2.0)) return Float64(Float64(-sqrt(Float64(Float64(Float64(2.0 * t_6) * t_5) * Float64(Float64(t_4 + t_3) - sqrt(Float64((Float64(t_4 - t_3) ^ 2.0) + (Float64(Float64(Float64(Float64(Float64(2.0 * Float64((b ^ 2.0) - (a ^ 2.0))) * t_1) * t_2) / x_45_scale) / y_45_scale) ^ 2.0))))))) / t_6) end
function tmp = code(a, b, angle, x_45_scale, y_45_scale) t_0 = (angle / 180.0) * pi; t_1 = sin(t_0); t_2 = cos(t_0); t_3 = ((((a * t_2) ^ 2.0) + ((b * t_1) ^ 2.0)) / y_45_scale) / y_45_scale; t_4 = ((((a * t_1) ^ 2.0) + ((b * t_2) ^ 2.0)) / x_45_scale) / x_45_scale; t_5 = (b * a) * (b * -a); t_6 = (4.0 * t_5) / ((x_45_scale * y_45_scale) ^ 2.0); tmp = -sqrt((((2.0 * t_6) * t_5) * ((t_4 + t_3) - sqrt((((t_4 - t_3) ^ 2.0) + ((((((2.0 * ((b ^ 2.0) - (a ^ 2.0))) * t_1) * t_2) / x_45_scale) / y_45_scale) ^ 2.0)))))) / t_6; end
code[a_, b_, angle_, x$45$scale_, y$45$scale_] := Block[{t$95$0 = N[(N[(angle / 180.0), $MachinePrecision] * Pi), $MachinePrecision]}, Block[{t$95$1 = N[Sin[t$95$0], $MachinePrecision]}, Block[{t$95$2 = N[Cos[t$95$0], $MachinePrecision]}, Block[{t$95$3 = N[(N[(N[(N[Power[N[(a * t$95$2), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * t$95$1), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] / y$45$scale), $MachinePrecision] / y$45$scale), $MachinePrecision]}, Block[{t$95$4 = N[(N[(N[(N[Power[N[(a * t$95$1), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * t$95$2), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] / x$45$scale), $MachinePrecision] / x$45$scale), $MachinePrecision]}, Block[{t$95$5 = N[(N[(b * a), $MachinePrecision] * N[(b * (-a)), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$6 = N[(N[(4.0 * t$95$5), $MachinePrecision] / N[Power[N[(x$45$scale * y$45$scale), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]}, N[((-N[Sqrt[N[(N[(N[(2.0 * t$95$6), $MachinePrecision] * t$95$5), $MachinePrecision] * N[(N[(t$95$4 + t$95$3), $MachinePrecision] - N[Sqrt[N[(N[Power[N[(t$95$4 - t$95$3), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(N[(N[(N[(N[(2.0 * N[(N[Power[b, 2.0], $MachinePrecision] - N[Power[a, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * t$95$1), $MachinePrecision] * t$95$2), $MachinePrecision] / x$45$scale), $MachinePrecision] / y$45$scale), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]) / t$95$6), $MachinePrecision]]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{angle}{180} \cdot \pi\\
t_1 := \sin t\_0\\
t_2 := \cos t\_0\\
t_3 := \frac{\frac{{\left(a \cdot t\_2\right)}^{2} + {\left(b \cdot t\_1\right)}^{2}}{y-scale}}{y-scale}\\
t_4 := \frac{\frac{{\left(a \cdot t\_1\right)}^{2} + {\left(b \cdot t\_2\right)}^{2}}{x-scale}}{x-scale}\\
t_5 := \left(b \cdot a\right) \cdot \left(b \cdot \left(-a\right)\right)\\
t_6 := \frac{4 \cdot t\_5}{{\left(x-scale \cdot y-scale\right)}^{2}}\\
\frac{-\sqrt{\left(\left(2 \cdot t\_6\right) \cdot t\_5\right) \cdot \left(\left(t\_4 + t\_3\right) - \sqrt{{\left(t\_4 - t\_3\right)}^{2} + {\left(\frac{\frac{\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot t\_1\right) \cdot t\_2}{x-scale}}{y-scale}\right)}^{2}}\right)}}{t\_6}
\end{array}
\end{array}
y-scale_m = (fabs.f64 y-scale) x-scale_m = (fabs.f64 x-scale) b_m = (fabs.f64 b) a_m = (fabs.f64 a) (FPCore (a_m b_m angle x-scale_m y-scale_m) :precision binary64 (if (<= b_m 2.6e-26) (* (* 0.25 (* y-scale_m (sqrt 8.0))) (sqrt (* 2.0 (* b_m b_m)))) (* a_m x-scale_m)))
y-scale_m = fabs(y_45_scale);
x-scale_m = fabs(x_45_scale);
b_m = fabs(b);
a_m = fabs(a);
double code(double a_m, double b_m, double angle, double x_45_scale_m, double y_45_scale_m) {
double tmp;
if (b_m <= 2.6e-26) {
tmp = (0.25 * (y_45_scale_m * sqrt(8.0))) * sqrt((2.0 * (b_m * b_m)));
} else {
tmp = a_m * x_45_scale_m;
}
return tmp;
}
y-scale_m = abs(y_45scale)
x-scale_m = abs(x_45scale)
b_m = abs(b)
a_m = abs(a)
real(8) function code(a_m, b_m, angle, x_45scale_m, y_45scale_m)
real(8), intent (in) :: a_m
real(8), intent (in) :: b_m
real(8), intent (in) :: angle
real(8), intent (in) :: x_45scale_m
real(8), intent (in) :: y_45scale_m
real(8) :: tmp
if (b_m <= 2.6d-26) then
tmp = (0.25d0 * (y_45scale_m * sqrt(8.0d0))) * sqrt((2.0d0 * (b_m * b_m)))
else
tmp = a_m * x_45scale_m
end if
code = tmp
end function
y-scale_m = Math.abs(y_45_scale);
x-scale_m = Math.abs(x_45_scale);
b_m = Math.abs(b);
a_m = Math.abs(a);
public static double code(double a_m, double b_m, double angle, double x_45_scale_m, double y_45_scale_m) {
double tmp;
if (b_m <= 2.6e-26) {
tmp = (0.25 * (y_45_scale_m * Math.sqrt(8.0))) * Math.sqrt((2.0 * (b_m * b_m)));
} else {
tmp = a_m * x_45_scale_m;
}
return tmp;
}
y-scale_m = math.fabs(y_45_scale) x-scale_m = math.fabs(x_45_scale) b_m = math.fabs(b) a_m = math.fabs(a) def code(a_m, b_m, angle, x_45_scale_m, y_45_scale_m): tmp = 0 if b_m <= 2.6e-26: tmp = (0.25 * (y_45_scale_m * math.sqrt(8.0))) * math.sqrt((2.0 * (b_m * b_m))) else: tmp = a_m * x_45_scale_m return tmp
y-scale_m = abs(y_45_scale) x-scale_m = abs(x_45_scale) b_m = abs(b) a_m = abs(a) function code(a_m, b_m, angle, x_45_scale_m, y_45_scale_m) tmp = 0.0 if (b_m <= 2.6e-26) tmp = Float64(Float64(0.25 * Float64(y_45_scale_m * sqrt(8.0))) * sqrt(Float64(2.0 * Float64(b_m * b_m)))); else tmp = Float64(a_m * x_45_scale_m); end return tmp end
y-scale_m = abs(y_45_scale); x-scale_m = abs(x_45_scale); b_m = abs(b); a_m = abs(a); function tmp_2 = code(a_m, b_m, angle, x_45_scale_m, y_45_scale_m) tmp = 0.0; if (b_m <= 2.6e-26) tmp = (0.25 * (y_45_scale_m * sqrt(8.0))) * sqrt((2.0 * (b_m * b_m))); else tmp = a_m * x_45_scale_m; end tmp_2 = tmp; end
y-scale_m = N[Abs[y$45$scale], $MachinePrecision] x-scale_m = N[Abs[x$45$scale], $MachinePrecision] b_m = N[Abs[b], $MachinePrecision] a_m = N[Abs[a], $MachinePrecision] code[a$95$m_, b$95$m_, angle_, x$45$scale$95$m_, y$45$scale$95$m_] := If[LessEqual[b$95$m, 2.6e-26], N[(N[(0.25 * N[(y$45$scale$95$m * N[Sqrt[8.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[Sqrt[N[(2.0 * N[(b$95$m * b$95$m), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], N[(a$95$m * x$45$scale$95$m), $MachinePrecision]]
\begin{array}{l}
y-scale_m = \left|y-scale\right|
\\
x-scale_m = \left|x-scale\right|
\\
b_m = \left|b\right|
\\
a_m = \left|a\right|
\\
\begin{array}{l}
\mathbf{if}\;b\_m \leq 2.6 \cdot 10^{-26}:\\
\;\;\;\;\left(0.25 \cdot \left(y-scale\_m \cdot \sqrt{8}\right)\right) \cdot \sqrt{2 \cdot \left(b\_m \cdot b\_m\right)}\\
\mathbf{else}:\\
\;\;\;\;a\_m \cdot x-scale\_m\\
\end{array}
\end{array}
if b < 2.6000000000000001e-26Initial program 0.1%
Taylor expanded in x-scale around inf
Simplified1.5%
Taylor expanded in angle around 0
Simplified1.5%
Taylor expanded in angle around 0
lower-*.f64N/A
unpow2N/A
lower-*.f6432.8
Simplified32.8%
if 2.6000000000000001e-26 < b Initial program 0.1%
Taylor expanded in angle around 0
associate-*r/N/A
lower-/.f64N/A
lower-*.f64N/A
unpow2N/A
lower-*.f64N/A
unpow2N/A
lower-*.f643.7
Simplified3.7%
Taylor expanded in b around 0
associate-*r/N/A
lower-/.f64N/A
Simplified3.5%
Taylor expanded in b around 0
*-commutativeN/A
associate-*l*N/A
lower-*.f64N/A
unpow2N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
unpow2N/A
lower-*.f643.5
Simplified3.5%
Taylor expanded in a around 0
lower-*.f6424.0
Simplified24.0%
y-scale_m = (fabs.f64 y-scale) x-scale_m = (fabs.f64 x-scale) b_m = (fabs.f64 b) a_m = (fabs.f64 a) (FPCore (a_m b_m angle x-scale_m y-scale_m) :precision binary64 (if (<= y-scale_m 2.5e-37) (* (* 0.25 (* y-scale_m (sqrt 8.0))) (* b_m (sqrt 2.0))) (* a_m x-scale_m)))
y-scale_m = fabs(y_45_scale);
x-scale_m = fabs(x_45_scale);
b_m = fabs(b);
a_m = fabs(a);
double code(double a_m, double b_m, double angle, double x_45_scale_m, double y_45_scale_m) {
double tmp;
if (y_45_scale_m <= 2.5e-37) {
tmp = (0.25 * (y_45_scale_m * sqrt(8.0))) * (b_m * sqrt(2.0));
} else {
tmp = a_m * x_45_scale_m;
}
return tmp;
}
y-scale_m = abs(y_45scale)
x-scale_m = abs(x_45scale)
b_m = abs(b)
a_m = abs(a)
real(8) function code(a_m, b_m, angle, x_45scale_m, y_45scale_m)
real(8), intent (in) :: a_m
real(8), intent (in) :: b_m
real(8), intent (in) :: angle
real(8), intent (in) :: x_45scale_m
real(8), intent (in) :: y_45scale_m
real(8) :: tmp
if (y_45scale_m <= 2.5d-37) then
tmp = (0.25d0 * (y_45scale_m * sqrt(8.0d0))) * (b_m * sqrt(2.0d0))
else
tmp = a_m * x_45scale_m
end if
code = tmp
end function
y-scale_m = Math.abs(y_45_scale);
x-scale_m = Math.abs(x_45_scale);
b_m = Math.abs(b);
a_m = Math.abs(a);
public static double code(double a_m, double b_m, double angle, double x_45_scale_m, double y_45_scale_m) {
double tmp;
if (y_45_scale_m <= 2.5e-37) {
tmp = (0.25 * (y_45_scale_m * Math.sqrt(8.0))) * (b_m * Math.sqrt(2.0));
} else {
tmp = a_m * x_45_scale_m;
}
return tmp;
}
y-scale_m = math.fabs(y_45_scale) x-scale_m = math.fabs(x_45_scale) b_m = math.fabs(b) a_m = math.fabs(a) def code(a_m, b_m, angle, x_45_scale_m, y_45_scale_m): tmp = 0 if y_45_scale_m <= 2.5e-37: tmp = (0.25 * (y_45_scale_m * math.sqrt(8.0))) * (b_m * math.sqrt(2.0)) else: tmp = a_m * x_45_scale_m return tmp
y-scale_m = abs(y_45_scale) x-scale_m = abs(x_45_scale) b_m = abs(b) a_m = abs(a) function code(a_m, b_m, angle, x_45_scale_m, y_45_scale_m) tmp = 0.0 if (y_45_scale_m <= 2.5e-37) tmp = Float64(Float64(0.25 * Float64(y_45_scale_m * sqrt(8.0))) * Float64(b_m * sqrt(2.0))); else tmp = Float64(a_m * x_45_scale_m); end return tmp end
y-scale_m = abs(y_45_scale); x-scale_m = abs(x_45_scale); b_m = abs(b); a_m = abs(a); function tmp_2 = code(a_m, b_m, angle, x_45_scale_m, y_45_scale_m) tmp = 0.0; if (y_45_scale_m <= 2.5e-37) tmp = (0.25 * (y_45_scale_m * sqrt(8.0))) * (b_m * sqrt(2.0)); else tmp = a_m * x_45_scale_m; end tmp_2 = tmp; end
y-scale_m = N[Abs[y$45$scale], $MachinePrecision] x-scale_m = N[Abs[x$45$scale], $MachinePrecision] b_m = N[Abs[b], $MachinePrecision] a_m = N[Abs[a], $MachinePrecision] code[a$95$m_, b$95$m_, angle_, x$45$scale$95$m_, y$45$scale$95$m_] := If[LessEqual[y$45$scale$95$m, 2.5e-37], N[(N[(0.25 * N[(y$45$scale$95$m * N[Sqrt[8.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(b$95$m * N[Sqrt[2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a$95$m * x$45$scale$95$m), $MachinePrecision]]
\begin{array}{l}
y-scale_m = \left|y-scale\right|
\\
x-scale_m = \left|x-scale\right|
\\
b_m = \left|b\right|
\\
a_m = \left|a\right|
\\
\begin{array}{l}
\mathbf{if}\;y-scale\_m \leq 2.5 \cdot 10^{-37}:\\
\;\;\;\;\left(0.25 \cdot \left(y-scale\_m \cdot \sqrt{8}\right)\right) \cdot \left(b\_m \cdot \sqrt{2}\right)\\
\mathbf{else}:\\
\;\;\;\;a\_m \cdot x-scale\_m\\
\end{array}
\end{array}
if y-scale < 2.4999999999999999e-37Initial program 0.1%
Taylor expanded in x-scale around inf
Simplified2.1%
Taylor expanded in angle around 0
Simplified2.2%
Taylor expanded in angle around 0
lower-*.f64N/A
lower-sqrt.f6426.5
Simplified26.5%
if 2.4999999999999999e-37 < y-scale Initial program 0.1%
Taylor expanded in angle around 0
associate-*r/N/A
lower-/.f64N/A
lower-*.f64N/A
unpow2N/A
lower-*.f64N/A
unpow2N/A
lower-*.f643.9
Simplified3.9%
Taylor expanded in b around 0
associate-*r/N/A
lower-/.f64N/A
Simplified4.8%
Taylor expanded in b around 0
*-commutativeN/A
associate-*l*N/A
lower-*.f64N/A
unpow2N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
unpow2N/A
lower-*.f641.9
Simplified1.9%
Taylor expanded in a around 0
lower-*.f6422.5
Simplified22.5%
y-scale_m = (fabs.f64 y-scale) x-scale_m = (fabs.f64 x-scale) b_m = (fabs.f64 b) a_m = (fabs.f64 a) (FPCore (a_m b_m angle x-scale_m y-scale_m) :precision binary64 (* a_m x-scale_m))
y-scale_m = fabs(y_45_scale);
x-scale_m = fabs(x_45_scale);
b_m = fabs(b);
a_m = fabs(a);
double code(double a_m, double b_m, double angle, double x_45_scale_m, double y_45_scale_m) {
return a_m * x_45_scale_m;
}
y-scale_m = abs(y_45scale)
x-scale_m = abs(x_45scale)
b_m = abs(b)
a_m = abs(a)
real(8) function code(a_m, b_m, angle, x_45scale_m, y_45scale_m)
real(8), intent (in) :: a_m
real(8), intent (in) :: b_m
real(8), intent (in) :: angle
real(8), intent (in) :: x_45scale_m
real(8), intent (in) :: y_45scale_m
code = a_m * x_45scale_m
end function
y-scale_m = Math.abs(y_45_scale);
x-scale_m = Math.abs(x_45_scale);
b_m = Math.abs(b);
a_m = Math.abs(a);
public static double code(double a_m, double b_m, double angle, double x_45_scale_m, double y_45_scale_m) {
return a_m * x_45_scale_m;
}
y-scale_m = math.fabs(y_45_scale) x-scale_m = math.fabs(x_45_scale) b_m = math.fabs(b) a_m = math.fabs(a) def code(a_m, b_m, angle, x_45_scale_m, y_45_scale_m): return a_m * x_45_scale_m
y-scale_m = abs(y_45_scale) x-scale_m = abs(x_45_scale) b_m = abs(b) a_m = abs(a) function code(a_m, b_m, angle, x_45_scale_m, y_45_scale_m) return Float64(a_m * x_45_scale_m) end
y-scale_m = abs(y_45_scale); x-scale_m = abs(x_45_scale); b_m = abs(b); a_m = abs(a); function tmp = code(a_m, b_m, angle, x_45_scale_m, y_45_scale_m) tmp = a_m * x_45_scale_m; end
y-scale_m = N[Abs[y$45$scale], $MachinePrecision] x-scale_m = N[Abs[x$45$scale], $MachinePrecision] b_m = N[Abs[b], $MachinePrecision] a_m = N[Abs[a], $MachinePrecision] code[a$95$m_, b$95$m_, angle_, x$45$scale$95$m_, y$45$scale$95$m_] := N[(a$95$m * x$45$scale$95$m), $MachinePrecision]
\begin{array}{l}
y-scale_m = \left|y-scale\right|
\\
x-scale_m = \left|x-scale\right|
\\
b_m = \left|b\right|
\\
a_m = \left|a\right|
\\
a\_m \cdot x-scale\_m
\end{array}
Initial program 0.1%
Taylor expanded in angle around 0
associate-*r/N/A
lower-/.f64N/A
lower-*.f64N/A
unpow2N/A
lower-*.f64N/A
unpow2N/A
lower-*.f643.0
Simplified3.0%
Taylor expanded in b around 0
associate-*r/N/A
lower-/.f64N/A
Simplified3.7%
Taylor expanded in b around 0
*-commutativeN/A
associate-*l*N/A
lower-*.f64N/A
unpow2N/A
lower-*.f64N/A
*-commutativeN/A
lower-*.f64N/A
unpow2N/A
lower-*.f641.9
Simplified1.9%
Taylor expanded in a around 0
lower-*.f6423.6
Simplified23.6%
herbie shell --seed 2024215
(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))))