ab-angle->ABCF B

Percentage Accurate: 53.2% → 65.4%
Time: 40.8s
Alternatives: 8
Speedup: 5.5×

Specification

?
\[\begin{array}{l} \\ \begin{array}{l} t_0 := \pi \cdot \frac{angle}{180}\\ \left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot \sin t_0\right) \cdot \cos t_0 \end{array} \end{array} \]
(FPCore (a b angle)
 :precision binary64
 (let* ((t_0 (* PI (/ angle 180.0))))
   (* (* (* 2.0 (- (pow b 2.0) (pow a 2.0))) (sin t_0)) (cos t_0))))
double code(double a, double b, double angle) {
	double t_0 = ((double) M_PI) * (angle / 180.0);
	return ((2.0 * (pow(b, 2.0) - pow(a, 2.0))) * sin(t_0)) * cos(t_0);
}
public static double code(double a, double b, double angle) {
	double t_0 = Math.PI * (angle / 180.0);
	return ((2.0 * (Math.pow(b, 2.0) - Math.pow(a, 2.0))) * Math.sin(t_0)) * Math.cos(t_0);
}
def code(a, b, angle):
	t_0 = math.pi * (angle / 180.0)
	return ((2.0 * (math.pow(b, 2.0) - math.pow(a, 2.0))) * math.sin(t_0)) * math.cos(t_0)
function code(a, b, angle)
	t_0 = Float64(pi * Float64(angle / 180.0))
	return Float64(Float64(Float64(2.0 * Float64((b ^ 2.0) - (a ^ 2.0))) * sin(t_0)) * cos(t_0))
end
function tmp = code(a, b, angle)
	t_0 = pi * (angle / 180.0);
	tmp = ((2.0 * ((b ^ 2.0) - (a ^ 2.0))) * sin(t_0)) * cos(t_0);
end
code[a_, b_, angle_] := Block[{t$95$0 = N[(Pi * N[(angle / 180.0), $MachinePrecision]), $MachinePrecision]}, N[(N[(N[(2.0 * N[(N[Power[b, 2.0], $MachinePrecision] - N[Power[a, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision] * N[Cos[t$95$0], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \pi \cdot \frac{angle}{180}\\
\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot \sin t_0\right) \cdot \cos t_0
\end{array}
\end{array}

Sampling outcomes in binary64 precision:

Local Percentage Accuracy vs ?

The average percentage accuracy by input value. Horizontal axis shows value of an input variable; the variable is choosen in the title. Vertical axis is accuracy; higher is better. Red represent the original program, while blue represents Herbie's suggestion. These can be toggled with buttons below the plot. The line is an average while dots represent individual samples.

Accuracy vs Speed?

Herbie found 8 alternatives:

AlternativeAccuracySpeedup
The accuracy (vertical axis) and speed (horizontal axis) of each alternatives. Up and to the right is better. The red square shows the initial program, and each blue circle shows an alternative.The line shows the best available speed-accuracy tradeoffs.

Initial Program: 53.2% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \pi \cdot \frac{angle}{180}\\ \left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot \sin t_0\right) \cdot \cos t_0 \end{array} \end{array} \]
(FPCore (a b angle)
 :precision binary64
 (let* ((t_0 (* PI (/ angle 180.0))))
   (* (* (* 2.0 (- (pow b 2.0) (pow a 2.0))) (sin t_0)) (cos t_0))))
double code(double a, double b, double angle) {
	double t_0 = ((double) M_PI) * (angle / 180.0);
	return ((2.0 * (pow(b, 2.0) - pow(a, 2.0))) * sin(t_0)) * cos(t_0);
}
public static double code(double a, double b, double angle) {
	double t_0 = Math.PI * (angle / 180.0);
	return ((2.0 * (Math.pow(b, 2.0) - Math.pow(a, 2.0))) * Math.sin(t_0)) * Math.cos(t_0);
}
def code(a, b, angle):
	t_0 = math.pi * (angle / 180.0)
	return ((2.0 * (math.pow(b, 2.0) - math.pow(a, 2.0))) * math.sin(t_0)) * math.cos(t_0)
function code(a, b, angle)
	t_0 = Float64(pi * Float64(angle / 180.0))
	return Float64(Float64(Float64(2.0 * Float64((b ^ 2.0) - (a ^ 2.0))) * sin(t_0)) * cos(t_0))
end
function tmp = code(a, b, angle)
	t_0 = pi * (angle / 180.0);
	tmp = ((2.0 * ((b ^ 2.0) - (a ^ 2.0))) * sin(t_0)) * cos(t_0);
end
code[a_, b_, angle_] := Block[{t$95$0 = N[(Pi * N[(angle / 180.0), $MachinePrecision]), $MachinePrecision]}, N[(N[(N[(2.0 * N[(N[Power[b, 2.0], $MachinePrecision] - N[Power[a, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision] * N[Cos[t$95$0], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \pi \cdot \frac{angle}{180}\\
\left(\left(2 \cdot \left({b}^{2} - {a}^{2}\right)\right) \cdot \sin t_0\right) \cdot \cos t_0
\end{array}
\end{array}

Alternative 1: 65.4% accurate, 1.5× speedup?

\[\begin{array}{l} a_m = \left|a\right| \\ b_m = \left|b\right| \\ \begin{array}{l} t_0 := \pi \cdot \left(0.005555555555555556 \cdot angle\right)\\ \mathbf{if}\;b_m \leq 10^{+235}:\\ \;\;\;\;2 \cdot \left(\left(b_m - a_m\right) \cdot \left(\left(b_m + a_m\right) \cdot \sin t_0\right)\right)\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\left(b_m - a_m\right) \cdot \left(\left(b_m + a_m\right) \cdot \sin \left({\left(\sqrt[3]{t_0}\right)}^{3}\right)\right)\right)\\ \end{array} \end{array} \]
a_m = (fabs.f64 a)
b_m = (fabs.f64 b)
(FPCore (a_m b_m angle)
 :precision binary64
 (let* ((t_0 (* PI (* 0.005555555555555556 angle))))
   (if (<= b_m 1e+235)
     (* 2.0 (* (- b_m a_m) (* (+ b_m a_m) (sin t_0))))
     (* 2.0 (* (- b_m a_m) (* (+ b_m a_m) (sin (pow (cbrt t_0) 3.0))))))))
a_m = fabs(a);
b_m = fabs(b);
double code(double a_m, double b_m, double angle) {
	double t_0 = ((double) M_PI) * (0.005555555555555556 * angle);
	double tmp;
	if (b_m <= 1e+235) {
		tmp = 2.0 * ((b_m - a_m) * ((b_m + a_m) * sin(t_0)));
	} else {
		tmp = 2.0 * ((b_m - a_m) * ((b_m + a_m) * sin(pow(cbrt(t_0), 3.0))));
	}
	return tmp;
}
a_m = Math.abs(a);
b_m = Math.abs(b);
public static double code(double a_m, double b_m, double angle) {
	double t_0 = Math.PI * (0.005555555555555556 * angle);
	double tmp;
	if (b_m <= 1e+235) {
		tmp = 2.0 * ((b_m - a_m) * ((b_m + a_m) * Math.sin(t_0)));
	} else {
		tmp = 2.0 * ((b_m - a_m) * ((b_m + a_m) * Math.sin(Math.pow(Math.cbrt(t_0), 3.0))));
	}
	return tmp;
}
a_m = abs(a)
b_m = abs(b)
function code(a_m, b_m, angle)
	t_0 = Float64(pi * Float64(0.005555555555555556 * angle))
	tmp = 0.0
	if (b_m <= 1e+235)
		tmp = Float64(2.0 * Float64(Float64(b_m - a_m) * Float64(Float64(b_m + a_m) * sin(t_0))));
	else
		tmp = Float64(2.0 * Float64(Float64(b_m - a_m) * Float64(Float64(b_m + a_m) * sin((cbrt(t_0) ^ 3.0)))));
	end
	return tmp
end
a_m = N[Abs[a], $MachinePrecision]
b_m = N[Abs[b], $MachinePrecision]
code[a$95$m_, b$95$m_, angle_] := Block[{t$95$0 = N[(Pi * N[(0.005555555555555556 * angle), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[b$95$m, 1e+235], N[(2.0 * N[(N[(b$95$m - a$95$m), $MachinePrecision] * N[(N[(b$95$m + a$95$m), $MachinePrecision] * N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[(b$95$m - a$95$m), $MachinePrecision] * N[(N[(b$95$m + a$95$m), $MachinePrecision] * N[Sin[N[Power[N[Power[t$95$0, 1/3], $MachinePrecision], 3.0], $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
a_m = \left|a\right|
\\
b_m = \left|b\right|

\\
\begin{array}{l}
t_0 := \pi \cdot \left(0.005555555555555556 \cdot angle\right)\\
\mathbf{if}\;b_m \leq 10^{+235}:\\
\;\;\;\;2 \cdot \left(\left(b_m - a_m\right) \cdot \left(\left(b_m + a_m\right) \cdot \sin t_0\right)\right)\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \left(\left(b_m - a_m\right) \cdot \left(\left(b_m + a_m\right) \cdot \sin \left({\left(\sqrt[3]{t_0}\right)}^{3}\right)\right)\right)\\


\end{array}
\end{array}
Derivation
    &prev;&pcontext;&pcontext2;&ctx;
  1. Add Preprocessing

Alternative 2: 63.9% accurate, 2.0× speedup?

\[\begin{array}{l} a_m = \left|a\right| \\ b_m = \left|b\right| \\ \begin{array}{l} \mathbf{if}\;{a_m}^{2} \leq 5 \cdot 10^{-239}:\\ \;\;\;\;2 \cdot \left(\left(b_m - a_m\right) \cdot \left(b_m \cdot \sin \left(\pi \cdot \left(0.005555555555555556 \cdot angle\right)\right)\right)\right)\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\left(b_m - a_m\right) \cdot \left(0.005555555555555556 \cdot \left(angle \cdot \left(\left(b_m + a_m\right) \cdot \pi\right)\right)\right)\right)\\ \end{array} \end{array} \]
a_m = (fabs.f64 a)
b_m = (fabs.f64 b)
(FPCore (a_m b_m angle)
 :precision binary64
 (if (<= (pow a_m 2.0) 5e-239)
   (* 2.0 (* (- b_m a_m) (* b_m (sin (* PI (* 0.005555555555555556 angle))))))
   (*
    2.0
    (* (- b_m a_m) (* 0.005555555555555556 (* angle (* (+ b_m a_m) PI)))))))
a_m = fabs(a);
b_m = fabs(b);
double code(double a_m, double b_m, double angle) {
	double tmp;
	if (pow(a_m, 2.0) <= 5e-239) {
		tmp = 2.0 * ((b_m - a_m) * (b_m * sin((((double) M_PI) * (0.005555555555555556 * angle)))));
	} else {
		tmp = 2.0 * ((b_m - a_m) * (0.005555555555555556 * (angle * ((b_m + a_m) * ((double) M_PI)))));
	}
	return tmp;
}
a_m = Math.abs(a);
b_m = Math.abs(b);
public static double code(double a_m, double b_m, double angle) {
	double tmp;
	if (Math.pow(a_m, 2.0) <= 5e-239) {
		tmp = 2.0 * ((b_m - a_m) * (b_m * Math.sin((Math.PI * (0.005555555555555556 * angle)))));
	} else {
		tmp = 2.0 * ((b_m - a_m) * (0.005555555555555556 * (angle * ((b_m + a_m) * Math.PI))));
	}
	return tmp;
}
a_m = math.fabs(a)
b_m = math.fabs(b)
def code(a_m, b_m, angle):
	tmp = 0
	if math.pow(a_m, 2.0) <= 5e-239:
		tmp = 2.0 * ((b_m - a_m) * (b_m * math.sin((math.pi * (0.005555555555555556 * angle)))))
	else:
		tmp = 2.0 * ((b_m - a_m) * (0.005555555555555556 * (angle * ((b_m + a_m) * math.pi))))
	return tmp
a_m = abs(a)
b_m = abs(b)
function code(a_m, b_m, angle)
	tmp = 0.0
	if ((a_m ^ 2.0) <= 5e-239)
		tmp = Float64(2.0 * Float64(Float64(b_m - a_m) * Float64(b_m * sin(Float64(pi * Float64(0.005555555555555556 * angle))))));
	else
		tmp = Float64(2.0 * Float64(Float64(b_m - a_m) * Float64(0.005555555555555556 * Float64(angle * Float64(Float64(b_m + a_m) * pi)))));
	end
	return tmp
end
a_m = abs(a);
b_m = abs(b);
function tmp_2 = code(a_m, b_m, angle)
	tmp = 0.0;
	if ((a_m ^ 2.0) <= 5e-239)
		tmp = 2.0 * ((b_m - a_m) * (b_m * sin((pi * (0.005555555555555556 * angle)))));
	else
		tmp = 2.0 * ((b_m - a_m) * (0.005555555555555556 * (angle * ((b_m + a_m) * pi))));
	end
	tmp_2 = tmp;
end
a_m = N[Abs[a], $MachinePrecision]
b_m = N[Abs[b], $MachinePrecision]
code[a$95$m_, b$95$m_, angle_] := If[LessEqual[N[Power[a$95$m, 2.0], $MachinePrecision], 5e-239], N[(2.0 * N[(N[(b$95$m - a$95$m), $MachinePrecision] * N[(b$95$m * N[Sin[N[(Pi * N[(0.005555555555555556 * angle), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[(b$95$m - a$95$m), $MachinePrecision] * N[(0.005555555555555556 * N[(angle * N[(N[(b$95$m + a$95$m), $MachinePrecision] * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
a_m = \left|a\right|
\\
b_m = \left|b\right|

\\
\begin{array}{l}
\mathbf{if}\;{a_m}^{2} \leq 5 \cdot 10^{-239}:\\
\;\;\;\;2 \cdot \left(\left(b_m - a_m\right) \cdot \left(b_m \cdot \sin \left(\pi \cdot \left(0.005555555555555556 \cdot angle\right)\right)\right)\right)\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \left(\left(b_m - a_m\right) \cdot \left(0.005555555555555556 \cdot \left(angle \cdot \left(\left(b_m + a_m\right) \cdot \pi\right)\right)\right)\right)\\


\end{array}
\end{array}
Derivation
    &prev;&pcontext;&pcontext2;&ctx;
  1. Add Preprocessing

Alternative 3: 63.5% accurate, 2.9× speedup?

\[\begin{array}{l} a_m = \left|a\right| \\ b_m = \left|b\right| \\ \begin{array}{l} \mathbf{if}\;angle \leq 3.8 \cdot 10^{+16}:\\ \;\;\;\;2 \cdot \left(\left(b_m - a_m\right) \cdot \left(0.005555555555555556 \cdot \left(angle \cdot \left(\left(b_m + a_m\right) \cdot \pi\right)\right)\right)\right)\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\sin \left(0.005555555555555556 \cdot \left(\pi \cdot angle\right)\right) \cdot \left(\left(b_m - a_m\right) \cdot \left(b_m + a_m\right)\right)\right)\\ \end{array} \end{array} \]
a_m = (fabs.f64 a)
b_m = (fabs.f64 b)
(FPCore (a_m b_m angle)
 :precision binary64
 (if (<= angle 3.8e+16)
   (*
    2.0
    (* (- b_m a_m) (* 0.005555555555555556 (* angle (* (+ b_m a_m) PI)))))
   (*
    2.0
    (*
     (sin (* 0.005555555555555556 (* PI angle)))
     (* (- b_m a_m) (+ b_m a_m))))))
a_m = fabs(a);
b_m = fabs(b);
double code(double a_m, double b_m, double angle) {
	double tmp;
	if (angle <= 3.8e+16) {
		tmp = 2.0 * ((b_m - a_m) * (0.005555555555555556 * (angle * ((b_m + a_m) * ((double) M_PI)))));
	} else {
		tmp = 2.0 * (sin((0.005555555555555556 * (((double) M_PI) * angle))) * ((b_m - a_m) * (b_m + a_m)));
	}
	return tmp;
}
a_m = Math.abs(a);
b_m = Math.abs(b);
public static double code(double a_m, double b_m, double angle) {
	double tmp;
	if (angle <= 3.8e+16) {
		tmp = 2.0 * ((b_m - a_m) * (0.005555555555555556 * (angle * ((b_m + a_m) * Math.PI))));
	} else {
		tmp = 2.0 * (Math.sin((0.005555555555555556 * (Math.PI * angle))) * ((b_m - a_m) * (b_m + a_m)));
	}
	return tmp;
}
a_m = math.fabs(a)
b_m = math.fabs(b)
def code(a_m, b_m, angle):
	tmp = 0
	if angle <= 3.8e+16:
		tmp = 2.0 * ((b_m - a_m) * (0.005555555555555556 * (angle * ((b_m + a_m) * math.pi))))
	else:
		tmp = 2.0 * (math.sin((0.005555555555555556 * (math.pi * angle))) * ((b_m - a_m) * (b_m + a_m)))
	return tmp
a_m = abs(a)
b_m = abs(b)
function code(a_m, b_m, angle)
	tmp = 0.0
	if (angle <= 3.8e+16)
		tmp = Float64(2.0 * Float64(Float64(b_m - a_m) * Float64(0.005555555555555556 * Float64(angle * Float64(Float64(b_m + a_m) * pi)))));
	else
		tmp = Float64(2.0 * Float64(sin(Float64(0.005555555555555556 * Float64(pi * angle))) * Float64(Float64(b_m - a_m) * Float64(b_m + a_m))));
	end
	return tmp
end
a_m = abs(a);
b_m = abs(b);
function tmp_2 = code(a_m, b_m, angle)
	tmp = 0.0;
	if (angle <= 3.8e+16)
		tmp = 2.0 * ((b_m - a_m) * (0.005555555555555556 * (angle * ((b_m + a_m) * pi))));
	else
		tmp = 2.0 * (sin((0.005555555555555556 * (pi * angle))) * ((b_m - a_m) * (b_m + a_m)));
	end
	tmp_2 = tmp;
end
a_m = N[Abs[a], $MachinePrecision]
b_m = N[Abs[b], $MachinePrecision]
code[a$95$m_, b$95$m_, angle_] := If[LessEqual[angle, 3.8e+16], N[(2.0 * N[(N[(b$95$m - a$95$m), $MachinePrecision] * N[(0.005555555555555556 * N[(angle * N[(N[(b$95$m + a$95$m), $MachinePrecision] * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[Sin[N[(0.005555555555555556 * N[(Pi * angle), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] * N[(N[(b$95$m - a$95$m), $MachinePrecision] * N[(b$95$m + a$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
a_m = \left|a\right|
\\
b_m = \left|b\right|

\\
\begin{array}{l}
\mathbf{if}\;angle \leq 3.8 \cdot 10^{+16}:\\
\;\;\;\;2 \cdot \left(\left(b_m - a_m\right) \cdot \left(0.005555555555555556 \cdot \left(angle \cdot \left(\left(b_m + a_m\right) \cdot \pi\right)\right)\right)\right)\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \left(\sin \left(0.005555555555555556 \cdot \left(\pi \cdot angle\right)\right) \cdot \left(\left(b_m - a_m\right) \cdot \left(b_m + a_m\right)\right)\right)\\


\end{array}
\end{array}
Derivation
    &prev;&pcontext;&pcontext2;&ctx;
  1. Add Preprocessing

Alternative 4: 64.1% accurate, 2.9× speedup?

\[\begin{array}{l} a_m = \left|a\right| \\ b_m = \left|b\right| \\ \begin{array}{l} \mathbf{if}\;b_m \leq 1.85 \cdot 10^{-135}:\\ \;\;\;\;2 \cdot \left(\left(b_m - a_m\right) \cdot \left(a_m \cdot \sin \left(0.005555555555555556 \cdot \left(\pi \cdot angle\right)\right)\right)\right)\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\left(b_m - a_m\right) \cdot \left(0.005555555555555556 \cdot \left(angle \cdot \left(\left(b_m + a_m\right) \cdot \pi\right)\right)\right)\right)\\ \end{array} \end{array} \]
a_m = (fabs.f64 a)
b_m = (fabs.f64 b)
(FPCore (a_m b_m angle)
 :precision binary64
 (if (<= b_m 1.85e-135)
   (* 2.0 (* (- b_m a_m) (* a_m (sin (* 0.005555555555555556 (* PI angle))))))
   (*
    2.0
    (* (- b_m a_m) (* 0.005555555555555556 (* angle (* (+ b_m a_m) PI)))))))
a_m = fabs(a);
b_m = fabs(b);
double code(double a_m, double b_m, double angle) {
	double tmp;
	if (b_m <= 1.85e-135) {
		tmp = 2.0 * ((b_m - a_m) * (a_m * sin((0.005555555555555556 * (((double) M_PI) * angle)))));
	} else {
		tmp = 2.0 * ((b_m - a_m) * (0.005555555555555556 * (angle * ((b_m + a_m) * ((double) M_PI)))));
	}
	return tmp;
}
a_m = Math.abs(a);
b_m = Math.abs(b);
public static double code(double a_m, double b_m, double angle) {
	double tmp;
	if (b_m <= 1.85e-135) {
		tmp = 2.0 * ((b_m - a_m) * (a_m * Math.sin((0.005555555555555556 * (Math.PI * angle)))));
	} else {
		tmp = 2.0 * ((b_m - a_m) * (0.005555555555555556 * (angle * ((b_m + a_m) * Math.PI))));
	}
	return tmp;
}
a_m = math.fabs(a)
b_m = math.fabs(b)
def code(a_m, b_m, angle):
	tmp = 0
	if b_m <= 1.85e-135:
		tmp = 2.0 * ((b_m - a_m) * (a_m * math.sin((0.005555555555555556 * (math.pi * angle)))))
	else:
		tmp = 2.0 * ((b_m - a_m) * (0.005555555555555556 * (angle * ((b_m + a_m) * math.pi))))
	return tmp
a_m = abs(a)
b_m = abs(b)
function code(a_m, b_m, angle)
	tmp = 0.0
	if (b_m <= 1.85e-135)
		tmp = Float64(2.0 * Float64(Float64(b_m - a_m) * Float64(a_m * sin(Float64(0.005555555555555556 * Float64(pi * angle))))));
	else
		tmp = Float64(2.0 * Float64(Float64(b_m - a_m) * Float64(0.005555555555555556 * Float64(angle * Float64(Float64(b_m + a_m) * pi)))));
	end
	return tmp
end
a_m = abs(a);
b_m = abs(b);
function tmp_2 = code(a_m, b_m, angle)
	tmp = 0.0;
	if (b_m <= 1.85e-135)
		tmp = 2.0 * ((b_m - a_m) * (a_m * sin((0.005555555555555556 * (pi * angle)))));
	else
		tmp = 2.0 * ((b_m - a_m) * (0.005555555555555556 * (angle * ((b_m + a_m) * pi))));
	end
	tmp_2 = tmp;
end
a_m = N[Abs[a], $MachinePrecision]
b_m = N[Abs[b], $MachinePrecision]
code[a$95$m_, b$95$m_, angle_] := If[LessEqual[b$95$m, 1.85e-135], N[(2.0 * N[(N[(b$95$m - a$95$m), $MachinePrecision] * N[(a$95$m * N[Sin[N[(0.005555555555555556 * N[(Pi * angle), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[(b$95$m - a$95$m), $MachinePrecision] * N[(0.005555555555555556 * N[(angle * N[(N[(b$95$m + a$95$m), $MachinePrecision] * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
a_m = \left|a\right|
\\
b_m = \left|b\right|

\\
\begin{array}{l}
\mathbf{if}\;b_m \leq 1.85 \cdot 10^{-135}:\\
\;\;\;\;2 \cdot \left(\left(b_m - a_m\right) \cdot \left(a_m \cdot \sin \left(0.005555555555555556 \cdot \left(\pi \cdot angle\right)\right)\right)\right)\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \left(\left(b_m - a_m\right) \cdot \left(0.005555555555555556 \cdot \left(angle \cdot \left(\left(b_m + a_m\right) \cdot \pi\right)\right)\right)\right)\\


\end{array}
\end{array}
Derivation
    &prev;&pcontext;&pcontext2;&ctx;
  1. Add Preprocessing

Alternative 5: 65.4% accurate, 2.9× speedup?

\[\begin{array}{l} a_m = \left|a\right| \\ b_m = \left|b\right| \\ 2 \cdot \left(\left(b_m - a_m\right) \cdot \left(\left(b_m + a_m\right) \cdot \sin \left(0.005555555555555556 \cdot \left(\pi \cdot angle\right)\right)\right)\right) \end{array} \]
a_m = (fabs.f64 a)
b_m = (fabs.f64 b)
(FPCore (a_m b_m angle)
 :precision binary64
 (*
  2.0
  (* (- b_m a_m) (* (+ b_m a_m) (sin (* 0.005555555555555556 (* PI angle)))))))
a_m = fabs(a);
b_m = fabs(b);
double code(double a_m, double b_m, double angle) {
	return 2.0 * ((b_m - a_m) * ((b_m + a_m) * sin((0.005555555555555556 * (((double) M_PI) * angle)))));
}
a_m = Math.abs(a);
b_m = Math.abs(b);
public static double code(double a_m, double b_m, double angle) {
	return 2.0 * ((b_m - a_m) * ((b_m + a_m) * Math.sin((0.005555555555555556 * (Math.PI * angle)))));
}
a_m = math.fabs(a)
b_m = math.fabs(b)
def code(a_m, b_m, angle):
	return 2.0 * ((b_m - a_m) * ((b_m + a_m) * math.sin((0.005555555555555556 * (math.pi * angle)))))
a_m = abs(a)
b_m = abs(b)
function code(a_m, b_m, angle)
	return Float64(2.0 * Float64(Float64(b_m - a_m) * Float64(Float64(b_m + a_m) * sin(Float64(0.005555555555555556 * Float64(pi * angle))))))
end
a_m = abs(a);
b_m = abs(b);
function tmp = code(a_m, b_m, angle)
	tmp = 2.0 * ((b_m - a_m) * ((b_m + a_m) * sin((0.005555555555555556 * (pi * angle)))));
end
a_m = N[Abs[a], $MachinePrecision]
b_m = N[Abs[b], $MachinePrecision]
code[a$95$m_, b$95$m_, angle_] := N[(2.0 * N[(N[(b$95$m - a$95$m), $MachinePrecision] * N[(N[(b$95$m + a$95$m), $MachinePrecision] * N[Sin[N[(0.005555555555555556 * N[(Pi * angle), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
a_m = \left|a\right|
\\
b_m = \left|b\right|

\\
2 \cdot \left(\left(b_m - a_m\right) \cdot \left(\left(b_m + a_m\right) \cdot \sin \left(0.005555555555555556 \cdot \left(\pi \cdot angle\right)\right)\right)\right)
\end{array}
Derivation
    &prev;&pcontext;&pcontext2;&ctx;
  1. Add Preprocessing

Alternative 6: 65.4% accurate, 2.9× speedup?

\[\begin{array}{l} a_m = \left|a\right| \\ b_m = \left|b\right| \\ 2 \cdot \left(\left(b_m - a_m\right) \cdot \left(\left(b_m + a_m\right) \cdot \sin \left(\pi \cdot \left(0.005555555555555556 \cdot angle\right)\right)\right)\right) \end{array} \]
a_m = (fabs.f64 a)
b_m = (fabs.f64 b)
(FPCore (a_m b_m angle)
 :precision binary64
 (*
  2.0
  (* (- b_m a_m) (* (+ b_m a_m) (sin (* PI (* 0.005555555555555556 angle)))))))
a_m = fabs(a);
b_m = fabs(b);
double code(double a_m, double b_m, double angle) {
	return 2.0 * ((b_m - a_m) * ((b_m + a_m) * sin((((double) M_PI) * (0.005555555555555556 * angle)))));
}
a_m = Math.abs(a);
b_m = Math.abs(b);
public static double code(double a_m, double b_m, double angle) {
	return 2.0 * ((b_m - a_m) * ((b_m + a_m) * Math.sin((Math.PI * (0.005555555555555556 * angle)))));
}
a_m = math.fabs(a)
b_m = math.fabs(b)
def code(a_m, b_m, angle):
	return 2.0 * ((b_m - a_m) * ((b_m + a_m) * math.sin((math.pi * (0.005555555555555556 * angle)))))
a_m = abs(a)
b_m = abs(b)
function code(a_m, b_m, angle)
	return Float64(2.0 * Float64(Float64(b_m - a_m) * Float64(Float64(b_m + a_m) * sin(Float64(pi * Float64(0.005555555555555556 * angle))))))
end
a_m = abs(a);
b_m = abs(b);
function tmp = code(a_m, b_m, angle)
	tmp = 2.0 * ((b_m - a_m) * ((b_m + a_m) * sin((pi * (0.005555555555555556 * angle)))));
end
a_m = N[Abs[a], $MachinePrecision]
b_m = N[Abs[b], $MachinePrecision]
code[a$95$m_, b$95$m_, angle_] := N[(2.0 * N[(N[(b$95$m - a$95$m), $MachinePrecision] * N[(N[(b$95$m + a$95$m), $MachinePrecision] * N[Sin[N[(Pi * N[(0.005555555555555556 * angle), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
a_m = \left|a\right|
\\
b_m = \left|b\right|

\\
2 \cdot \left(\left(b_m - a_m\right) \cdot \left(\left(b_m + a_m\right) \cdot \sin \left(\pi \cdot \left(0.005555555555555556 \cdot angle\right)\right)\right)\right)
\end{array}
Derivation
    &prev;&pcontext;&pcontext2;&ctx;
  1. Add Preprocessing

Alternative 7: 61.6% accurate, 5.4× speedup?

\[\begin{array}{l} a_m = \left|a\right| \\ b_m = \left|b\right| \\ 2 \cdot \left(\left(b_m - a_m\right) \cdot \left(0.005555555555555556 \cdot \left(angle \cdot \left(\left(b_m + a_m\right) \cdot \pi\right)\right)\right)\right) \end{array} \]
a_m = (fabs.f64 a)
b_m = (fabs.f64 b)
(FPCore (a_m b_m angle)
 :precision binary64
 (* 2.0 (* (- b_m a_m) (* 0.005555555555555556 (* angle (* (+ b_m a_m) PI))))))
a_m = fabs(a);
b_m = fabs(b);
double code(double a_m, double b_m, double angle) {
	return 2.0 * ((b_m - a_m) * (0.005555555555555556 * (angle * ((b_m + a_m) * ((double) M_PI)))));
}
a_m = Math.abs(a);
b_m = Math.abs(b);
public static double code(double a_m, double b_m, double angle) {
	return 2.0 * ((b_m - a_m) * (0.005555555555555556 * (angle * ((b_m + a_m) * Math.PI))));
}
a_m = math.fabs(a)
b_m = math.fabs(b)
def code(a_m, b_m, angle):
	return 2.0 * ((b_m - a_m) * (0.005555555555555556 * (angle * ((b_m + a_m) * math.pi))))
a_m = abs(a)
b_m = abs(b)
function code(a_m, b_m, angle)
	return Float64(2.0 * Float64(Float64(b_m - a_m) * Float64(0.005555555555555556 * Float64(angle * Float64(Float64(b_m + a_m) * pi)))))
end
a_m = abs(a);
b_m = abs(b);
function tmp = code(a_m, b_m, angle)
	tmp = 2.0 * ((b_m - a_m) * (0.005555555555555556 * (angle * ((b_m + a_m) * pi))));
end
a_m = N[Abs[a], $MachinePrecision]
b_m = N[Abs[b], $MachinePrecision]
code[a$95$m_, b$95$m_, angle_] := N[(2.0 * N[(N[(b$95$m - a$95$m), $MachinePrecision] * N[(0.005555555555555556 * N[(angle * N[(N[(b$95$m + a$95$m), $MachinePrecision] * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
a_m = \left|a\right|
\\
b_m = \left|b\right|

\\
2 \cdot \left(\left(b_m - a_m\right) \cdot \left(0.005555555555555556 \cdot \left(angle \cdot \left(\left(b_m + a_m\right) \cdot \pi\right)\right)\right)\right)
\end{array}
Derivation
    &prev;&pcontext;&pcontext2;&ctx;
  1. Add Preprocessing

Alternative 8: 53.6% accurate, 5.5× speedup?

\[\begin{array}{l} a_m = \left|a\right| \\ b_m = \left|b\right| \\ \left(angle \cdot 0.011111111111111112\right) \cdot \left(\pi \cdot \left(\left(b_m - a_m\right) \cdot \left(b_m + a_m\right)\right)\right) \end{array} \]
a_m = (fabs.f64 a)
b_m = (fabs.f64 b)
(FPCore (a_m b_m angle)
 :precision binary64
 (* (* angle 0.011111111111111112) (* PI (* (- b_m a_m) (+ b_m a_m)))))
a_m = fabs(a);
b_m = fabs(b);
double code(double a_m, double b_m, double angle) {
	return (angle * 0.011111111111111112) * (((double) M_PI) * ((b_m - a_m) * (b_m + a_m)));
}
a_m = Math.abs(a);
b_m = Math.abs(b);
public static double code(double a_m, double b_m, double angle) {
	return (angle * 0.011111111111111112) * (Math.PI * ((b_m - a_m) * (b_m + a_m)));
}
a_m = math.fabs(a)
b_m = math.fabs(b)
def code(a_m, b_m, angle):
	return (angle * 0.011111111111111112) * (math.pi * ((b_m - a_m) * (b_m + a_m)))
a_m = abs(a)
b_m = abs(b)
function code(a_m, b_m, angle)
	return Float64(Float64(angle * 0.011111111111111112) * Float64(pi * Float64(Float64(b_m - a_m) * Float64(b_m + a_m))))
end
a_m = abs(a);
b_m = abs(b);
function tmp = code(a_m, b_m, angle)
	tmp = (angle * 0.011111111111111112) * (pi * ((b_m - a_m) * (b_m + a_m)));
end
a_m = N[Abs[a], $MachinePrecision]
b_m = N[Abs[b], $MachinePrecision]
code[a$95$m_, b$95$m_, angle_] := N[(N[(angle * 0.011111111111111112), $MachinePrecision] * N[(Pi * N[(N[(b$95$m - a$95$m), $MachinePrecision] * N[(b$95$m + a$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
a_m = \left|a\right|
\\
b_m = \left|b\right|

\\
\left(angle \cdot 0.011111111111111112\right) \cdot \left(\pi \cdot \left(\left(b_m - a_m\right) \cdot \left(b_m + a_m\right)\right)\right)
\end{array}
Derivation
    &prev;&pcontext;&pcontext2;&ctx;
  1. Add Preprocessing

Reproduce

?
herbie shell --seed 2023364 
(FPCore (a b angle)
  :name "ab-angle->ABCF B"
  :precision binary64
  (* (* (* 2.0 (- (pow b 2.0) (pow a 2.0))) (sin (* PI (/ angle 180.0)))) (cos (* PI (/ angle 180.0)))))