rsin A (should all be same)

Percentage Accurate: 76.1% → 99.5%
Time: 18.6s
Alternatives: 18
Speedup: 1.0×

Specification

?
\[\begin{array}{l} \\ \frac{r \cdot \sin b}{\cos \left(a + b\right)} \end{array} \]
(FPCore (r a b) :precision binary64 (/ (* r (sin b)) (cos (+ a b))))
double code(double r, double a, double b) {
	return (r * sin(b)) / cos((a + b));
}
real(8) function code(r, a, b)
    real(8), intent (in) :: r
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = (r * sin(b)) / cos((a + b))
end function
public static double code(double r, double a, double b) {
	return (r * Math.sin(b)) / Math.cos((a + b));
}
def code(r, a, b):
	return (r * math.sin(b)) / math.cos((a + b))
function code(r, a, b)
	return Float64(Float64(r * sin(b)) / cos(Float64(a + b)))
end
function tmp = code(r, a, b)
	tmp = (r * sin(b)) / cos((a + b));
end
code[r_, a_, b_] := N[(N[(r * N[Sin[b], $MachinePrecision]), $MachinePrecision] / N[Cos[N[(a + b), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{r \cdot \sin b}{\cos \left(a + b\right)}
\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 18 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: 76.1% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \frac{r \cdot \sin b}{\cos \left(a + b\right)} \end{array} \]
(FPCore (r a b) :precision binary64 (/ (* r (sin b)) (cos (+ a b))))
double code(double r, double a, double b) {
	return (r * sin(b)) / cos((a + b));
}
real(8) function code(r, a, b)
    real(8), intent (in) :: r
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = (r * sin(b)) / cos((a + b))
end function
public static double code(double r, double a, double b) {
	return (r * Math.sin(b)) / Math.cos((a + b));
}
def code(r, a, b):
	return (r * math.sin(b)) / math.cos((a + b))
function code(r, a, b)
	return Float64(Float64(r * sin(b)) / cos(Float64(a + b)))
end
function tmp = code(r, a, b)
	tmp = (r * sin(b)) / cos((a + b));
end
code[r_, a_, b_] := N[(N[(r * N[Sin[b], $MachinePrecision]), $MachinePrecision] / N[Cos[N[(a + b), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{r \cdot \sin b}{\cos \left(a + b\right)}
\end{array}

Alternative 1: 99.5% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \frac{r \cdot \sin b}{\mathsf{fma}\left(\sin a, -\sin b, \cos a \cdot \cos b\right)} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (/ (* r (sin b)) (fma (sin a) (- (sin b)) (* (cos a) (cos b)))))
double code(double r, double a, double b) {
	return (r * sin(b)) / fma(sin(a), -sin(b), (cos(a) * cos(b)));
}
function code(r, a, b)
	return Float64(Float64(r * sin(b)) / fma(sin(a), Float64(-sin(b)), Float64(cos(a) * cos(b))))
end
code[r_, a_, b_] := N[(N[(r * N[Sin[b], $MachinePrecision]), $MachinePrecision] / N[(N[Sin[a], $MachinePrecision] * (-N[Sin[b], $MachinePrecision]) + N[(N[Cos[a], $MachinePrecision] * N[Cos[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{r \cdot \sin b}{\mathsf{fma}\left(\sin a, -\sin b, \cos a \cdot \cos b\right)}
\end{array}
Derivation
  1. Initial program 79.6%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. +-commutative79.6%

      \[\leadsto \frac{r \cdot \sin b}{\cos \color{blue}{\left(b + a\right)}} \]
  3. Simplified79.6%

    \[\leadsto \color{blue}{\frac{r \cdot \sin b}{\cos \left(b + a\right)}} \]
  4. Step-by-step derivation
    1. cos-sum99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\cos b \cdot \cos a - \sin b \cdot \sin a}} \]
    2. sub-neg99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\cos b \cdot \cos a + \left(-\sin b \cdot \sin a\right)}} \]
  5. Applied egg-rr99.5%

    \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\cos b \cdot \cos a + \left(-\sin b \cdot \sin a\right)}} \]
  6. Step-by-step derivation
    1. +-commutative99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\left(-\sin b \cdot \sin a\right) + \cos b \cdot \cos a}} \]
    2. distribute-lft-neg-in99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\left(-\sin b\right) \cdot \sin a} + \cos b \cdot \cos a} \]
    3. *-commutative99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\sin a \cdot \left(-\sin b\right)} + \cos b \cdot \cos a} \]
    4. fma-def99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\mathsf{fma}\left(\sin a, -\sin b, \cos b \cdot \cos a\right)}} \]
    5. *-commutative99.5%

      \[\leadsto \frac{r \cdot \sin b}{\mathsf{fma}\left(\sin a, -\sin b, \color{blue}{\cos a \cdot \cos b}\right)} \]
  7. Simplified99.5%

    \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\mathsf{fma}\left(\sin a, -\sin b, \cos a \cdot \cos b\right)}} \]
  8. Final simplification99.5%

    \[\leadsto \frac{r \cdot \sin b}{\mathsf{fma}\left(\sin a, -\sin b, \cos a \cdot \cos b\right)} \]

Alternative 2: 99.4% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \frac{r}{\frac{\mathsf{fma}\left(\sin a, -\sin b, \cos a \cdot \cos b\right)}{\sin b}} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (/ r (/ (fma (sin a) (- (sin b)) (* (cos a) (cos b))) (sin b))))
double code(double r, double a, double b) {
	return r / (fma(sin(a), -sin(b), (cos(a) * cos(b))) / sin(b));
}
function code(r, a, b)
	return Float64(r / Float64(fma(sin(a), Float64(-sin(b)), Float64(cos(a) * cos(b))) / sin(b)))
end
code[r_, a_, b_] := N[(r / N[(N[(N[Sin[a], $MachinePrecision] * (-N[Sin[b], $MachinePrecision]) + N[(N[Cos[a], $MachinePrecision] * N[Cos[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Sin[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{r}{\frac{\mathsf{fma}\left(\sin a, -\sin b, \cos a \cdot \cos b\right)}{\sin b}}
\end{array}
Derivation
  1. Initial program 79.6%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. associate-/l*79.5%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
    2. +-commutative79.5%

      \[\leadsto \frac{r}{\frac{\cos \color{blue}{\left(b + a\right)}}{\sin b}} \]
  3. Simplified79.5%

    \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(b + a\right)}{\sin b}}} \]
  4. Step-by-step derivation
    1. cos-sum99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\cos b \cdot \cos a - \sin b \cdot \sin a}} \]
    2. sub-neg99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\cos b \cdot \cos a + \left(-\sin b \cdot \sin a\right)}} \]
  5. Applied egg-rr99.5%

    \[\leadsto \frac{r}{\frac{\color{blue}{\cos b \cdot \cos a + \left(-\sin b \cdot \sin a\right)}}{\sin b}} \]
  6. Step-by-step derivation
    1. +-commutative99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\left(-\sin b \cdot \sin a\right) + \cos b \cdot \cos a}} \]
    2. distribute-lft-neg-in99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\left(-\sin b\right) \cdot \sin a} + \cos b \cdot \cos a} \]
    3. *-commutative99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\sin a \cdot \left(-\sin b\right)} + \cos b \cdot \cos a} \]
    4. fma-def99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\mathsf{fma}\left(\sin a, -\sin b, \cos b \cdot \cos a\right)}} \]
    5. *-commutative99.5%

      \[\leadsto \frac{r \cdot \sin b}{\mathsf{fma}\left(\sin a, -\sin b, \color{blue}{\cos a \cdot \cos b}\right)} \]
  7. Simplified99.5%

    \[\leadsto \frac{r}{\frac{\color{blue}{\mathsf{fma}\left(\sin a, -\sin b, \cos a \cdot \cos b\right)}}{\sin b}} \]
  8. Final simplification99.5%

    \[\leadsto \frac{r}{\frac{\mathsf{fma}\left(\sin a, -\sin b, \cos a \cdot \cos b\right)}{\sin b}} \]

Alternative 3: 99.5% accurate, 0.4× speedup?

\[\begin{array}{l} \\ r \cdot \frac{\sin b}{\cos a \cdot \cos b - \sin b \cdot \sin a} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (* r (/ (sin b) (- (* (cos a) (cos b)) (* (sin b) (sin a))))))
double code(double r, double a, double b) {
	return r * (sin(b) / ((cos(a) * cos(b)) - (sin(b) * sin(a))));
}
real(8) function code(r, a, b)
    real(8), intent (in) :: r
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = r * (sin(b) / ((cos(a) * cos(b)) - (sin(b) * sin(a))))
end function
public static double code(double r, double a, double b) {
	return r * (Math.sin(b) / ((Math.cos(a) * Math.cos(b)) - (Math.sin(b) * Math.sin(a))));
}
def code(r, a, b):
	return r * (math.sin(b) / ((math.cos(a) * math.cos(b)) - (math.sin(b) * math.sin(a))))
function code(r, a, b)
	return Float64(r * Float64(sin(b) / Float64(Float64(cos(a) * cos(b)) - Float64(sin(b) * sin(a)))))
end
function tmp = code(r, a, b)
	tmp = r * (sin(b) / ((cos(a) * cos(b)) - (sin(b) * sin(a))));
end
code[r_, a_, b_] := N[(r * N[(N[Sin[b], $MachinePrecision] / N[(N[(N[Cos[a], $MachinePrecision] * N[Cos[b], $MachinePrecision]), $MachinePrecision] - N[(N[Sin[b], $MachinePrecision] * N[Sin[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
r \cdot \frac{\sin b}{\cos a \cdot \cos b - \sin b \cdot \sin a}
\end{array}
Derivation
  1. Initial program 79.6%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. associate-/l*79.5%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
    2. remove-double-neg79.5%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\left(-\sin b\right)}}} \]
    3. sin-neg79.5%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{-\color{blue}{\sin \left(-b\right)}}} \]
    4. neg-mul-179.5%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-1 \cdot \sin \left(-b\right)}}} \]
    5. associate-/r*79.5%

      \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
    6. associate-/l*79.6%

      \[\leadsto \color{blue}{\frac{r \cdot \sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}}} \]
    7. *-commutative79.6%

      \[\leadsto \frac{\color{blue}{\sin \left(-b\right) \cdot r}}{\frac{\cos \left(a + b\right)}{-1}} \]
    8. associate-*l/79.5%

      \[\leadsto \color{blue}{\frac{\sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}} \cdot r} \]
    9. associate-/l*79.5%

      \[\leadsto \color{blue}{\frac{\sin \left(-b\right) \cdot -1}{\cos \left(a + b\right)}} \cdot r \]
    10. sin-neg79.5%

      \[\leadsto \frac{\color{blue}{\left(-\sin b\right)} \cdot -1}{\cos \left(a + b\right)} \cdot r \]
    11. distribute-lft-neg-in79.5%

      \[\leadsto \frac{\color{blue}{-\sin b \cdot -1}}{\cos \left(a + b\right)} \cdot r \]
    12. distribute-rgt-neg-in79.5%

      \[\leadsto \frac{\color{blue}{\sin b \cdot \left(--1\right)}}{\cos \left(a + b\right)} \cdot r \]
    13. associate-/l*79.5%

      \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(a + b\right)}{--1}}} \cdot r \]
    14. metadata-eval79.5%

      \[\leadsto \frac{\sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot r \]
    15. /-rgt-identity79.5%

      \[\leadsto \frac{\sin b}{\color{blue}{\cos \left(a + b\right)}} \cdot r \]
    16. +-commutative79.5%

      \[\leadsto \frac{\sin b}{\cos \color{blue}{\left(b + a\right)}} \cdot r \]
  3. Simplified79.5%

    \[\leadsto \color{blue}{\frac{\sin b}{\cos \left(b + a\right)} \cdot r} \]
  4. Step-by-step derivation
    1. cos-sum99.4%

      \[\leadsto \frac{\sin b}{\color{blue}{\cos b \cdot \cos a - \sin b \cdot \sin a}} \cdot r \]
  5. Applied egg-rr99.4%

    \[\leadsto \frac{\sin b}{\color{blue}{\cos b \cdot \cos a - \sin b \cdot \sin a}} \cdot r \]
  6. Final simplification99.4%

    \[\leadsto r \cdot \frac{\sin b}{\cos a \cdot \cos b - \sin b \cdot \sin a} \]

Alternative 4: 99.4% accurate, 0.4× speedup?

\[\begin{array}{l} \\ \frac{r}{\frac{\cos a \cdot \cos b - \sin b \cdot \sin a}{\sin b}} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (/ r (/ (- (* (cos a) (cos b)) (* (sin b) (sin a))) (sin b))))
double code(double r, double a, double b) {
	return r / (((cos(a) * cos(b)) - (sin(b) * sin(a))) / sin(b));
}
real(8) function code(r, a, b)
    real(8), intent (in) :: r
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = r / (((cos(a) * cos(b)) - (sin(b) * sin(a))) / sin(b))
end function
public static double code(double r, double a, double b) {
	return r / (((Math.cos(a) * Math.cos(b)) - (Math.sin(b) * Math.sin(a))) / Math.sin(b));
}
def code(r, a, b):
	return r / (((math.cos(a) * math.cos(b)) - (math.sin(b) * math.sin(a))) / math.sin(b))
function code(r, a, b)
	return Float64(r / Float64(Float64(Float64(cos(a) * cos(b)) - Float64(sin(b) * sin(a))) / sin(b)))
end
function tmp = code(r, a, b)
	tmp = r / (((cos(a) * cos(b)) - (sin(b) * sin(a))) / sin(b));
end
code[r_, a_, b_] := N[(r / N[(N[(N[(N[Cos[a], $MachinePrecision] * N[Cos[b], $MachinePrecision]), $MachinePrecision] - N[(N[Sin[b], $MachinePrecision] * N[Sin[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Sin[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{r}{\frac{\cos a \cdot \cos b - \sin b \cdot \sin a}{\sin b}}
\end{array}
Derivation
  1. Initial program 79.6%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. associate-/l*79.5%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
    2. +-commutative79.5%

      \[\leadsto \frac{r}{\frac{\cos \color{blue}{\left(b + a\right)}}{\sin b}} \]
  3. Simplified79.5%

    \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(b + a\right)}{\sin b}}} \]
  4. Step-by-step derivation
    1. cos-sum99.4%

      \[\leadsto \frac{\sin b}{\color{blue}{\cos b \cdot \cos a - \sin b \cdot \sin a}} \cdot r \]
  5. Applied egg-rr99.5%

    \[\leadsto \frac{r}{\frac{\color{blue}{\cos b \cdot \cos a - \sin b \cdot \sin a}}{\sin b}} \]
  6. Final simplification99.5%

    \[\leadsto \frac{r}{\frac{\cos a \cdot \cos b - \sin b \cdot \sin a}{\sin b}} \]

Alternative 5: 99.5% accurate, 0.4× speedup?

\[\begin{array}{l} \\ \frac{r \cdot \sin b}{\cos a \cdot \cos b - \sin b \cdot \sin a} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (/ (* r (sin b)) (- (* (cos a) (cos b)) (* (sin b) (sin a)))))
double code(double r, double a, double b) {
	return (r * sin(b)) / ((cos(a) * cos(b)) - (sin(b) * sin(a)));
}
real(8) function code(r, a, b)
    real(8), intent (in) :: r
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = (r * sin(b)) / ((cos(a) * cos(b)) - (sin(b) * sin(a)))
end function
public static double code(double r, double a, double b) {
	return (r * Math.sin(b)) / ((Math.cos(a) * Math.cos(b)) - (Math.sin(b) * Math.sin(a)));
}
def code(r, a, b):
	return (r * math.sin(b)) / ((math.cos(a) * math.cos(b)) - (math.sin(b) * math.sin(a)))
function code(r, a, b)
	return Float64(Float64(r * sin(b)) / Float64(Float64(cos(a) * cos(b)) - Float64(sin(b) * sin(a))))
end
function tmp = code(r, a, b)
	tmp = (r * sin(b)) / ((cos(a) * cos(b)) - (sin(b) * sin(a)));
end
code[r_, a_, b_] := N[(N[(r * N[Sin[b], $MachinePrecision]), $MachinePrecision] / N[(N[(N[Cos[a], $MachinePrecision] * N[Cos[b], $MachinePrecision]), $MachinePrecision] - N[(N[Sin[b], $MachinePrecision] * N[Sin[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{r \cdot \sin b}{\cos a \cdot \cos b - \sin b \cdot \sin a}
\end{array}
Derivation
  1. Initial program 79.6%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. +-commutative79.6%

      \[\leadsto \frac{r \cdot \sin b}{\cos \color{blue}{\left(b + a\right)}} \]
  3. Simplified79.6%

    \[\leadsto \color{blue}{\frac{r \cdot \sin b}{\cos \left(b + a\right)}} \]
  4. Step-by-step derivation
    1. cos-sum99.4%

      \[\leadsto \frac{\sin b}{\color{blue}{\cos b \cdot \cos a - \sin b \cdot \sin a}} \cdot r \]
  5. Applied egg-rr99.5%

    \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\cos b \cdot \cos a - \sin b \cdot \sin a}} \]
  6. Final simplification99.5%

    \[\leadsto \frac{r \cdot \sin b}{\cos a \cdot \cos b - \sin b \cdot \sin a} \]

Alternative 6: 76.9% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \frac{r \cdot \sin b}{\cos \left(b + a\right) - \left(\sin b \cdot \sin a\right) \cdot 2} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (/ (* r (sin b)) (- (cos (+ b a)) (* (* (sin b) (sin a)) 2.0))))
double code(double r, double a, double b) {
	return (r * sin(b)) / (cos((b + a)) - ((sin(b) * sin(a)) * 2.0));
}
real(8) function code(r, a, b)
    real(8), intent (in) :: r
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = (r * sin(b)) / (cos((b + a)) - ((sin(b) * sin(a)) * 2.0d0))
end function
public static double code(double r, double a, double b) {
	return (r * Math.sin(b)) / (Math.cos((b + a)) - ((Math.sin(b) * Math.sin(a)) * 2.0));
}
def code(r, a, b):
	return (r * math.sin(b)) / (math.cos((b + a)) - ((math.sin(b) * math.sin(a)) * 2.0))
function code(r, a, b)
	return Float64(Float64(r * sin(b)) / Float64(cos(Float64(b + a)) - Float64(Float64(sin(b) * sin(a)) * 2.0)))
end
function tmp = code(r, a, b)
	tmp = (r * sin(b)) / (cos((b + a)) - ((sin(b) * sin(a)) * 2.0));
end
code[r_, a_, b_] := N[(N[(r * N[Sin[b], $MachinePrecision]), $MachinePrecision] / N[(N[Cos[N[(b + a), $MachinePrecision]], $MachinePrecision] - N[(N[(N[Sin[b], $MachinePrecision] * N[Sin[a], $MachinePrecision]), $MachinePrecision] * 2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{r \cdot \sin b}{\cos \left(b + a\right) - \left(\sin b \cdot \sin a\right) \cdot 2}
\end{array}
Derivation
  1. Initial program 79.6%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. +-commutative79.6%

      \[\leadsto \frac{r \cdot \sin b}{\cos \color{blue}{\left(b + a\right)}} \]
  3. Simplified79.6%

    \[\leadsto \color{blue}{\frac{r \cdot \sin b}{\cos \left(b + a\right)}} \]
  4. Step-by-step derivation
    1. cos-sum99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\cos b \cdot \cos a - \sin b \cdot \sin a}} \]
    2. sub-neg99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\cos b \cdot \cos a + \left(-\sin b \cdot \sin a\right)}} \]
  5. Applied egg-rr99.5%

    \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\cos b \cdot \cos a + \left(-\sin b \cdot \sin a\right)}} \]
  6. Step-by-step derivation
    1. +-commutative99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\left(-\sin b \cdot \sin a\right) + \cos b \cdot \cos a}} \]
    2. distribute-lft-neg-in99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\left(-\sin b\right) \cdot \sin a} + \cos b \cdot \cos a} \]
    3. *-commutative99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\sin a \cdot \left(-\sin b\right)} + \cos b \cdot \cos a} \]
    4. fma-def99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\mathsf{fma}\left(\sin a, -\sin b, \cos b \cdot \cos a\right)}} \]
    5. *-commutative99.5%

      \[\leadsto \frac{r \cdot \sin b}{\mathsf{fma}\left(\sin a, -\sin b, \color{blue}{\cos a \cdot \cos b}\right)} \]
  7. Simplified99.5%

    \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\mathsf{fma}\left(\sin a, -\sin b, \cos a \cdot \cos b\right)}} \]
  8. Step-by-step derivation
    1. fma-udef99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\sin a \cdot \left(-\sin b\right) + \cos a \cdot \cos b}} \]
    2. *-commutative99.5%

      \[\leadsto \frac{r \cdot \sin b}{\sin a \cdot \left(-\sin b\right) + \color{blue}{\cos b \cdot \cos a}} \]
    3. distribute-rgt-neg-in99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\left(-\sin a \cdot \sin b\right)} + \cos b \cdot \cos a} \]
    4. *-commutative99.5%

      \[\leadsto \frac{r \cdot \sin b}{\left(-\color{blue}{\sin b \cdot \sin a}\right) + \cos b \cdot \cos a} \]
    5. +-commutative99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\cos b \cdot \cos a + \left(-\sin b \cdot \sin a\right)}} \]
    6. sub-neg99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\cos b \cdot \cos a - \sin b \cdot \sin a}} \]
    7. prod-diff99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\mathsf{fma}\left(\cos b, \cos a, -\sin a \cdot \sin b\right) + \mathsf{fma}\left(-\sin a, \sin b, \sin a \cdot \sin b\right)}} \]
    8. *-commutative99.5%

      \[\leadsto \frac{r \cdot \sin b}{\mathsf{fma}\left(\cos b, \cos a, -\color{blue}{\sin b \cdot \sin a}\right) + \mathsf{fma}\left(-\sin a, \sin b, \sin a \cdot \sin b\right)} \]
    9. fma-neg99.5%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\left(\cos b \cdot \cos a - \sin b \cdot \sin a\right)} + \mathsf{fma}\left(-\sin a, \sin b, \sin a \cdot \sin b\right)} \]
    10. cos-sum79.6%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\cos \left(b + a\right)} + \mathsf{fma}\left(-\sin a, \sin b, \sin a \cdot \sin b\right)} \]
    11. *-commutative79.6%

      \[\leadsto \frac{r \cdot \sin b}{\cos \left(b + a\right) + \mathsf{fma}\left(-\sin a, \sin b, \color{blue}{\sin b \cdot \sin a}\right)} \]
    12. fma-udef79.6%

      \[\leadsto \frac{r \cdot \sin b}{\cos \left(b + a\right) + \color{blue}{\left(\left(-\sin a\right) \cdot \sin b + \sin b \cdot \sin a\right)}} \]
  9. Applied egg-rr77.8%

    \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\cos \left(b + a\right) + \left(\sin b \cdot \sin a + \sin b \cdot \sin a\right)}} \]
  10. Step-by-step derivation
    1. count-277.8%

      \[\leadsto \frac{r \cdot \sin b}{\cos \left(b + a\right) + \color{blue}{2 \cdot \left(\sin b \cdot \sin a\right)}} \]
  11. Simplified77.8%

    \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\cos \left(b + a\right) + 2 \cdot \left(\sin b \cdot \sin a\right)}} \]
  12. Step-by-step derivation
    1. add-sqr-sqrt38.1%

      \[\leadsto \frac{r \cdot \sin b}{\cos \left(b + a\right) + 2 \cdot \left(\color{blue}{\left(\sqrt{\sin b} \cdot \sqrt{\sin b}\right)} \cdot \sin a\right)} \]
    2. sqrt-unprod79.1%

      \[\leadsto \frac{r \cdot \sin b}{\cos \left(b + a\right) + 2 \cdot \left(\color{blue}{\sqrt{\sin b \cdot \sin b}} \cdot \sin a\right)} \]
    3. sqr-neg79.1%

      \[\leadsto \frac{r \cdot \sin b}{\cos \left(b + a\right) + 2 \cdot \left(\sqrt{\color{blue}{\left(-\sin b\right) \cdot \left(-\sin b\right)}} \cdot \sin a\right)} \]
    4. sqrt-unprod41.0%

      \[\leadsto \frac{r \cdot \sin b}{\cos \left(b + a\right) + 2 \cdot \left(\color{blue}{\left(\sqrt{-\sin b} \cdot \sqrt{-\sin b}\right)} \cdot \sin a\right)} \]
    5. add-sqr-sqrt80.0%

      \[\leadsto \frac{r \cdot \sin b}{\cos \left(b + a\right) + 2 \cdot \left(\color{blue}{\left(-\sin b\right)} \cdot \sin a\right)} \]
    6. distribute-lft-neg-in80.0%

      \[\leadsto \frac{r \cdot \sin b}{\cos \left(b + a\right) + 2 \cdot \color{blue}{\left(-\sin b \cdot \sin a\right)}} \]
    7. neg-sub080.0%

      \[\leadsto \frac{r \cdot \sin b}{\cos \left(b + a\right) + 2 \cdot \color{blue}{\left(0 - \sin b \cdot \sin a\right)}} \]
  13. Applied egg-rr80.0%

    \[\leadsto \frac{r \cdot \sin b}{\cos \left(b + a\right) + 2 \cdot \color{blue}{\left(0 - \sin b \cdot \sin a\right)}} \]
  14. Step-by-step derivation
    1. neg-sub080.0%

      \[\leadsto \frac{r \cdot \sin b}{\cos \left(b + a\right) + 2 \cdot \color{blue}{\left(-\sin b \cdot \sin a\right)}} \]
    2. distribute-rgt-neg-in80.0%

      \[\leadsto \frac{r \cdot \sin b}{\cos \left(b + a\right) + 2 \cdot \color{blue}{\left(\sin b \cdot \left(-\sin a\right)\right)}} \]
  15. Simplified80.0%

    \[\leadsto \frac{r \cdot \sin b}{\cos \left(b + a\right) + 2 \cdot \color{blue}{\left(\sin b \cdot \left(-\sin a\right)\right)}} \]
  16. Final simplification80.0%

    \[\leadsto \frac{r \cdot \sin b}{\cos \left(b + a\right) - \left(\sin b \cdot \sin a\right) \cdot 2} \]

Alternative 7: 75.8% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq -9 \cdot 10^{-6} \lor \neg \left(b \leq 16500\right):\\ \;\;\;\;\sin b \cdot \frac{r}{\cos b}\\ \mathbf{else}:\\ \;\;\;\;\frac{r \cdot b}{\cos a}\\ \end{array} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (if (or (<= b -9e-6) (not (<= b 16500.0)))
   (* (sin b) (/ r (cos b)))
   (/ (* r b) (cos a))))
double code(double r, double a, double b) {
	double tmp;
	if ((b <= -9e-6) || !(b <= 16500.0)) {
		tmp = sin(b) * (r / cos(b));
	} else {
		tmp = (r * b) / cos(a);
	}
	return tmp;
}
real(8) function code(r, a, b)
    real(8), intent (in) :: r
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if ((b <= (-9d-6)) .or. (.not. (b <= 16500.0d0))) then
        tmp = sin(b) * (r / cos(b))
    else
        tmp = (r * b) / cos(a)
    end if
    code = tmp
end function
public static double code(double r, double a, double b) {
	double tmp;
	if ((b <= -9e-6) || !(b <= 16500.0)) {
		tmp = Math.sin(b) * (r / Math.cos(b));
	} else {
		tmp = (r * b) / Math.cos(a);
	}
	return tmp;
}
def code(r, a, b):
	tmp = 0
	if (b <= -9e-6) or not (b <= 16500.0):
		tmp = math.sin(b) * (r / math.cos(b))
	else:
		tmp = (r * b) / math.cos(a)
	return tmp
function code(r, a, b)
	tmp = 0.0
	if ((b <= -9e-6) || !(b <= 16500.0))
		tmp = Float64(sin(b) * Float64(r / cos(b)));
	else
		tmp = Float64(Float64(r * b) / cos(a));
	end
	return tmp
end
function tmp_2 = code(r, a, b)
	tmp = 0.0;
	if ((b <= -9e-6) || ~((b <= 16500.0)))
		tmp = sin(b) * (r / cos(b));
	else
		tmp = (r * b) / cos(a);
	end
	tmp_2 = tmp;
end
code[r_, a_, b_] := If[Or[LessEqual[b, -9e-6], N[Not[LessEqual[b, 16500.0]], $MachinePrecision]], N[(N[Sin[b], $MachinePrecision] * N[(r / N[Cos[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(r * b), $MachinePrecision] / N[Cos[a], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq -9 \cdot 10^{-6} \lor \neg \left(b \leq 16500\right):\\
\;\;\;\;\sin b \cdot \frac{r}{\cos b}\\

\mathbf{else}:\\
\;\;\;\;\frac{r \cdot b}{\cos a}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if b < -9.00000000000000023e-6 or 16500 < b

    1. Initial program 59.8%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. associate-/l*59.8%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
      2. remove-double-neg59.8%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\left(-\sin b\right)}}} \]
      3. sin-neg59.8%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{-\color{blue}{\sin \left(-b\right)}}} \]
      4. neg-mul-159.8%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-1 \cdot \sin \left(-b\right)}}} \]
      5. associate-/r*59.8%

        \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
      6. associate-/l*59.8%

        \[\leadsto \color{blue}{\frac{r \cdot \sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}}} \]
      7. *-commutative59.8%

        \[\leadsto \frac{\color{blue}{\sin \left(-b\right) \cdot r}}{\frac{\cos \left(a + b\right)}{-1}} \]
      8. associate-*l/59.8%

        \[\leadsto \color{blue}{\frac{\sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}} \cdot r} \]
      9. associate-/l*59.8%

        \[\leadsto \color{blue}{\frac{\sin \left(-b\right) \cdot -1}{\cos \left(a + b\right)}} \cdot r \]
      10. sin-neg59.8%

        \[\leadsto \frac{\color{blue}{\left(-\sin b\right)} \cdot -1}{\cos \left(a + b\right)} \cdot r \]
      11. distribute-lft-neg-in59.8%

        \[\leadsto \frac{\color{blue}{-\sin b \cdot -1}}{\cos \left(a + b\right)} \cdot r \]
      12. distribute-rgt-neg-in59.8%

        \[\leadsto \frac{\color{blue}{\sin b \cdot \left(--1\right)}}{\cos \left(a + b\right)} \cdot r \]
      13. associate-/l*59.8%

        \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(a + b\right)}{--1}}} \cdot r \]
      14. metadata-eval59.8%

        \[\leadsto \frac{\sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot r \]
      15. /-rgt-identity59.8%

        \[\leadsto \frac{\sin b}{\color{blue}{\cos \left(a + b\right)}} \cdot r \]
      16. +-commutative59.8%

        \[\leadsto \frac{\sin b}{\cos \color{blue}{\left(b + a\right)}} \cdot r \]
    3. Simplified59.8%

      \[\leadsto \color{blue}{\frac{\sin b}{\cos \left(b + a\right)} \cdot r} \]
    4. Taylor expanded in a around 0 59.0%

      \[\leadsto \color{blue}{\frac{r \cdot \sin b}{\cos b}} \]
    5. Step-by-step derivation
      1. associate-/l*59.0%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos b}{\sin b}}} \]
      2. associate-/r/59.0%

        \[\leadsto \color{blue}{\frac{r}{\cos b} \cdot \sin b} \]
    6. Simplified59.0%

      \[\leadsto \color{blue}{\frac{r}{\cos b} \cdot \sin b} \]

    if -9.00000000000000023e-6 < b < 16500

    1. Initial program 98.7%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. associate-/l*98.6%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
      2. remove-double-neg98.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\left(-\sin b\right)}}} \]
      3. sin-neg98.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{-\color{blue}{\sin \left(-b\right)}}} \]
      4. neg-mul-198.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-1 \cdot \sin \left(-b\right)}}} \]
      5. associate-/r*98.6%

        \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
      6. associate-/l*98.7%

        \[\leadsto \color{blue}{\frac{r \cdot \sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}}} \]
      7. *-commutative98.7%

        \[\leadsto \frac{\color{blue}{\sin \left(-b\right) \cdot r}}{\frac{\cos \left(a + b\right)}{-1}} \]
      8. associate-*l/98.6%

        \[\leadsto \color{blue}{\frac{\sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}} \cdot r} \]
      9. associate-/l*98.6%

        \[\leadsto \color{blue}{\frac{\sin \left(-b\right) \cdot -1}{\cos \left(a + b\right)}} \cdot r \]
      10. sin-neg98.6%

        \[\leadsto \frac{\color{blue}{\left(-\sin b\right)} \cdot -1}{\cos \left(a + b\right)} \cdot r \]
      11. distribute-lft-neg-in98.6%

        \[\leadsto \frac{\color{blue}{-\sin b \cdot -1}}{\cos \left(a + b\right)} \cdot r \]
      12. distribute-rgt-neg-in98.6%

        \[\leadsto \frac{\color{blue}{\sin b \cdot \left(--1\right)}}{\cos \left(a + b\right)} \cdot r \]
      13. associate-/l*98.6%

        \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(a + b\right)}{--1}}} \cdot r \]
      14. metadata-eval98.6%

        \[\leadsto \frac{\sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot r \]
      15. /-rgt-identity98.6%

        \[\leadsto \frac{\sin b}{\color{blue}{\cos \left(a + b\right)}} \cdot r \]
      16. +-commutative98.6%

        \[\leadsto \frac{\sin b}{\cos \color{blue}{\left(b + a\right)}} \cdot r \]
    3. Simplified98.6%

      \[\leadsto \color{blue}{\frac{\sin b}{\cos \left(b + a\right)} \cdot r} \]
    4. Taylor expanded in b around 0 98.8%

      \[\leadsto \color{blue}{\frac{b \cdot r}{\cos a}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification79.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq -9 \cdot 10^{-6} \lor \neg \left(b \leq 16500\right):\\ \;\;\;\;\sin b \cdot \frac{r}{\cos b}\\ \mathbf{else}:\\ \;\;\;\;\frac{r \cdot b}{\cos a}\\ \end{array} \]

Alternative 8: 75.8% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq -6.4 \cdot 10^{-6}:\\ \;\;\;\;\frac{r}{\frac{\cos b}{\sin b}}\\ \mathbf{elif}\;b \leq 16500:\\ \;\;\;\;\frac{r \cdot b}{\cos a}\\ \mathbf{else}:\\ \;\;\;\;\sin b \cdot \frac{r}{\cos b}\\ \end{array} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (if (<= b -6.4e-6)
   (/ r (/ (cos b) (sin b)))
   (if (<= b 16500.0) (/ (* r b) (cos a)) (* (sin b) (/ r (cos b))))))
double code(double r, double a, double b) {
	double tmp;
	if (b <= -6.4e-6) {
		tmp = r / (cos(b) / sin(b));
	} else if (b <= 16500.0) {
		tmp = (r * b) / cos(a);
	} else {
		tmp = sin(b) * (r / cos(b));
	}
	return tmp;
}
real(8) function code(r, a, b)
    real(8), intent (in) :: r
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if (b <= (-6.4d-6)) then
        tmp = r / (cos(b) / sin(b))
    else if (b <= 16500.0d0) then
        tmp = (r * b) / cos(a)
    else
        tmp = sin(b) * (r / cos(b))
    end if
    code = tmp
end function
public static double code(double r, double a, double b) {
	double tmp;
	if (b <= -6.4e-6) {
		tmp = r / (Math.cos(b) / Math.sin(b));
	} else if (b <= 16500.0) {
		tmp = (r * b) / Math.cos(a);
	} else {
		tmp = Math.sin(b) * (r / Math.cos(b));
	}
	return tmp;
}
def code(r, a, b):
	tmp = 0
	if b <= -6.4e-6:
		tmp = r / (math.cos(b) / math.sin(b))
	elif b <= 16500.0:
		tmp = (r * b) / math.cos(a)
	else:
		tmp = math.sin(b) * (r / math.cos(b))
	return tmp
function code(r, a, b)
	tmp = 0.0
	if (b <= -6.4e-6)
		tmp = Float64(r / Float64(cos(b) / sin(b)));
	elseif (b <= 16500.0)
		tmp = Float64(Float64(r * b) / cos(a));
	else
		tmp = Float64(sin(b) * Float64(r / cos(b)));
	end
	return tmp
end
function tmp_2 = code(r, a, b)
	tmp = 0.0;
	if (b <= -6.4e-6)
		tmp = r / (cos(b) / sin(b));
	elseif (b <= 16500.0)
		tmp = (r * b) / cos(a);
	else
		tmp = sin(b) * (r / cos(b));
	end
	tmp_2 = tmp;
end
code[r_, a_, b_] := If[LessEqual[b, -6.4e-6], N[(r / N[(N[Cos[b], $MachinePrecision] / N[Sin[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[b, 16500.0], N[(N[(r * b), $MachinePrecision] / N[Cos[a], $MachinePrecision]), $MachinePrecision], N[(N[Sin[b], $MachinePrecision] * N[(r / N[Cos[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq -6.4 \cdot 10^{-6}:\\
\;\;\;\;\frac{r}{\frac{\cos b}{\sin b}}\\

\mathbf{elif}\;b \leq 16500:\\
\;\;\;\;\frac{r \cdot b}{\cos a}\\

\mathbf{else}:\\
\;\;\;\;\sin b \cdot \frac{r}{\cos b}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if b < -6.3999999999999997e-6

    1. Initial program 60.0%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. associate-/l*60.1%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
      2. +-commutative60.1%

        \[\leadsto \frac{r}{\frac{\cos \color{blue}{\left(b + a\right)}}{\sin b}} \]
    3. Simplified60.1%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(b + a\right)}{\sin b}}} \]
    4. Taylor expanded in a around 0 57.9%

      \[\leadsto \frac{r}{\frac{\color{blue}{\cos b}}{\sin b}} \]

    if -6.3999999999999997e-6 < b < 16500

    1. Initial program 98.7%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. associate-/l*98.6%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
      2. remove-double-neg98.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\left(-\sin b\right)}}} \]
      3. sin-neg98.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{-\color{blue}{\sin \left(-b\right)}}} \]
      4. neg-mul-198.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-1 \cdot \sin \left(-b\right)}}} \]
      5. associate-/r*98.6%

        \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
      6. associate-/l*98.7%

        \[\leadsto \color{blue}{\frac{r \cdot \sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}}} \]
      7. *-commutative98.7%

        \[\leadsto \frac{\color{blue}{\sin \left(-b\right) \cdot r}}{\frac{\cos \left(a + b\right)}{-1}} \]
      8. associate-*l/98.6%

        \[\leadsto \color{blue}{\frac{\sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}} \cdot r} \]
      9. associate-/l*98.6%

        \[\leadsto \color{blue}{\frac{\sin \left(-b\right) \cdot -1}{\cos \left(a + b\right)}} \cdot r \]
      10. sin-neg98.6%

        \[\leadsto \frac{\color{blue}{\left(-\sin b\right)} \cdot -1}{\cos \left(a + b\right)} \cdot r \]
      11. distribute-lft-neg-in98.6%

        \[\leadsto \frac{\color{blue}{-\sin b \cdot -1}}{\cos \left(a + b\right)} \cdot r \]
      12. distribute-rgt-neg-in98.6%

        \[\leadsto \frac{\color{blue}{\sin b \cdot \left(--1\right)}}{\cos \left(a + b\right)} \cdot r \]
      13. associate-/l*98.6%

        \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(a + b\right)}{--1}}} \cdot r \]
      14. metadata-eval98.6%

        \[\leadsto \frac{\sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot r \]
      15. /-rgt-identity98.6%

        \[\leadsto \frac{\sin b}{\color{blue}{\cos \left(a + b\right)}} \cdot r \]
      16. +-commutative98.6%

        \[\leadsto \frac{\sin b}{\cos \color{blue}{\left(b + a\right)}} \cdot r \]
    3. Simplified98.6%

      \[\leadsto \color{blue}{\frac{\sin b}{\cos \left(b + a\right)} \cdot r} \]
    4. Taylor expanded in b around 0 98.8%

      \[\leadsto \color{blue}{\frac{b \cdot r}{\cos a}} \]

    if 16500 < b

    1. Initial program 59.6%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. associate-/l*59.5%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
      2. remove-double-neg59.5%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\left(-\sin b\right)}}} \]
      3. sin-neg59.5%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{-\color{blue}{\sin \left(-b\right)}}} \]
      4. neg-mul-159.5%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-1 \cdot \sin \left(-b\right)}}} \]
      5. associate-/r*59.5%

        \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
      6. associate-/l*59.6%

        \[\leadsto \color{blue}{\frac{r \cdot \sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}}} \]
      7. *-commutative59.6%

        \[\leadsto \frac{\color{blue}{\sin \left(-b\right) \cdot r}}{\frac{\cos \left(a + b\right)}{-1}} \]
      8. associate-*l/59.5%

        \[\leadsto \color{blue}{\frac{\sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}} \cdot r} \]
      9. associate-/l*59.5%

        \[\leadsto \color{blue}{\frac{\sin \left(-b\right) \cdot -1}{\cos \left(a + b\right)}} \cdot r \]
      10. sin-neg59.5%

        \[\leadsto \frac{\color{blue}{\left(-\sin b\right)} \cdot -1}{\cos \left(a + b\right)} \cdot r \]
      11. distribute-lft-neg-in59.5%

        \[\leadsto \frac{\color{blue}{-\sin b \cdot -1}}{\cos \left(a + b\right)} \cdot r \]
      12. distribute-rgt-neg-in59.5%

        \[\leadsto \frac{\color{blue}{\sin b \cdot \left(--1\right)}}{\cos \left(a + b\right)} \cdot r \]
      13. associate-/l*59.5%

        \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(a + b\right)}{--1}}} \cdot r \]
      14. metadata-eval59.5%

        \[\leadsto \frac{\sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot r \]
      15. /-rgt-identity59.5%

        \[\leadsto \frac{\sin b}{\color{blue}{\cos \left(a + b\right)}} \cdot r \]
      16. +-commutative59.5%

        \[\leadsto \frac{\sin b}{\cos \color{blue}{\left(b + a\right)}} \cdot r \]
    3. Simplified59.5%

      \[\leadsto \color{blue}{\frac{\sin b}{\cos \left(b + a\right)} \cdot r} \]
    4. Taylor expanded in a around 0 60.2%

      \[\leadsto \color{blue}{\frac{r \cdot \sin b}{\cos b}} \]
    5. Step-by-step derivation
      1. associate-/l*60.0%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos b}{\sin b}}} \]
      2. associate-/r/60.1%

        \[\leadsto \color{blue}{\frac{r}{\cos b} \cdot \sin b} \]
    6. Simplified60.1%

      \[\leadsto \color{blue}{\frac{r}{\cos b} \cdot \sin b} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification79.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq -6.4 \cdot 10^{-6}:\\ \;\;\;\;\frac{r}{\frac{\cos b}{\sin b}}\\ \mathbf{elif}\;b \leq 16500:\\ \;\;\;\;\frac{r \cdot b}{\cos a}\\ \mathbf{else}:\\ \;\;\;\;\sin b \cdot \frac{r}{\cos b}\\ \end{array} \]

Alternative 9: 75.8% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq -3 \cdot 10^{-6}:\\ \;\;\;\;\frac{r}{\frac{\cos b}{\sin b}}\\ \mathbf{elif}\;b \leq 16500:\\ \;\;\;\;\frac{r \cdot b}{\cos a}\\ \mathbf{else}:\\ \;\;\;\;\frac{r \cdot \sin b}{\cos b}\\ \end{array} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (if (<= b -3e-6)
   (/ r (/ (cos b) (sin b)))
   (if (<= b 16500.0) (/ (* r b) (cos a)) (/ (* r (sin b)) (cos b)))))
double code(double r, double a, double b) {
	double tmp;
	if (b <= -3e-6) {
		tmp = r / (cos(b) / sin(b));
	} else if (b <= 16500.0) {
		tmp = (r * b) / cos(a);
	} else {
		tmp = (r * sin(b)) / cos(b);
	}
	return tmp;
}
real(8) function code(r, a, b)
    real(8), intent (in) :: r
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if (b <= (-3d-6)) then
        tmp = r / (cos(b) / sin(b))
    else if (b <= 16500.0d0) then
        tmp = (r * b) / cos(a)
    else
        tmp = (r * sin(b)) / cos(b)
    end if
    code = tmp
end function
public static double code(double r, double a, double b) {
	double tmp;
	if (b <= -3e-6) {
		tmp = r / (Math.cos(b) / Math.sin(b));
	} else if (b <= 16500.0) {
		tmp = (r * b) / Math.cos(a);
	} else {
		tmp = (r * Math.sin(b)) / Math.cos(b);
	}
	return tmp;
}
def code(r, a, b):
	tmp = 0
	if b <= -3e-6:
		tmp = r / (math.cos(b) / math.sin(b))
	elif b <= 16500.0:
		tmp = (r * b) / math.cos(a)
	else:
		tmp = (r * math.sin(b)) / math.cos(b)
	return tmp
function code(r, a, b)
	tmp = 0.0
	if (b <= -3e-6)
		tmp = Float64(r / Float64(cos(b) / sin(b)));
	elseif (b <= 16500.0)
		tmp = Float64(Float64(r * b) / cos(a));
	else
		tmp = Float64(Float64(r * sin(b)) / cos(b));
	end
	return tmp
end
function tmp_2 = code(r, a, b)
	tmp = 0.0;
	if (b <= -3e-6)
		tmp = r / (cos(b) / sin(b));
	elseif (b <= 16500.0)
		tmp = (r * b) / cos(a);
	else
		tmp = (r * sin(b)) / cos(b);
	end
	tmp_2 = tmp;
end
code[r_, a_, b_] := If[LessEqual[b, -3e-6], N[(r / N[(N[Cos[b], $MachinePrecision] / N[Sin[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[b, 16500.0], N[(N[(r * b), $MachinePrecision] / N[Cos[a], $MachinePrecision]), $MachinePrecision], N[(N[(r * N[Sin[b], $MachinePrecision]), $MachinePrecision] / N[Cos[b], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq -3 \cdot 10^{-6}:\\
\;\;\;\;\frac{r}{\frac{\cos b}{\sin b}}\\

\mathbf{elif}\;b \leq 16500:\\
\;\;\;\;\frac{r \cdot b}{\cos a}\\

\mathbf{else}:\\
\;\;\;\;\frac{r \cdot \sin b}{\cos b}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if b < -3.0000000000000001e-6

    1. Initial program 60.0%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. associate-/l*60.1%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
      2. +-commutative60.1%

        \[\leadsto \frac{r}{\frac{\cos \color{blue}{\left(b + a\right)}}{\sin b}} \]
    3. Simplified60.1%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(b + a\right)}{\sin b}}} \]
    4. Taylor expanded in a around 0 57.9%

      \[\leadsto \frac{r}{\frac{\color{blue}{\cos b}}{\sin b}} \]

    if -3.0000000000000001e-6 < b < 16500

    1. Initial program 98.7%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. associate-/l*98.6%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
      2. remove-double-neg98.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\left(-\sin b\right)}}} \]
      3. sin-neg98.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{-\color{blue}{\sin \left(-b\right)}}} \]
      4. neg-mul-198.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-1 \cdot \sin \left(-b\right)}}} \]
      5. associate-/r*98.6%

        \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
      6. associate-/l*98.7%

        \[\leadsto \color{blue}{\frac{r \cdot \sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}}} \]
      7. *-commutative98.7%

        \[\leadsto \frac{\color{blue}{\sin \left(-b\right) \cdot r}}{\frac{\cos \left(a + b\right)}{-1}} \]
      8. associate-*l/98.6%

        \[\leadsto \color{blue}{\frac{\sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}} \cdot r} \]
      9. associate-/l*98.6%

        \[\leadsto \color{blue}{\frac{\sin \left(-b\right) \cdot -1}{\cos \left(a + b\right)}} \cdot r \]
      10. sin-neg98.6%

        \[\leadsto \frac{\color{blue}{\left(-\sin b\right)} \cdot -1}{\cos \left(a + b\right)} \cdot r \]
      11. distribute-lft-neg-in98.6%

        \[\leadsto \frac{\color{blue}{-\sin b \cdot -1}}{\cos \left(a + b\right)} \cdot r \]
      12. distribute-rgt-neg-in98.6%

        \[\leadsto \frac{\color{blue}{\sin b \cdot \left(--1\right)}}{\cos \left(a + b\right)} \cdot r \]
      13. associate-/l*98.6%

        \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(a + b\right)}{--1}}} \cdot r \]
      14. metadata-eval98.6%

        \[\leadsto \frac{\sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot r \]
      15. /-rgt-identity98.6%

        \[\leadsto \frac{\sin b}{\color{blue}{\cos \left(a + b\right)}} \cdot r \]
      16. +-commutative98.6%

        \[\leadsto \frac{\sin b}{\cos \color{blue}{\left(b + a\right)}} \cdot r \]
    3. Simplified98.6%

      \[\leadsto \color{blue}{\frac{\sin b}{\cos \left(b + a\right)} \cdot r} \]
    4. Taylor expanded in b around 0 98.8%

      \[\leadsto \color{blue}{\frac{b \cdot r}{\cos a}} \]

    if 16500 < b

    1. Initial program 59.6%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. +-commutative59.6%

        \[\leadsto \frac{r \cdot \sin b}{\cos \color{blue}{\left(b + a\right)}} \]
    3. Simplified59.6%

      \[\leadsto \color{blue}{\frac{r \cdot \sin b}{\cos \left(b + a\right)}} \]
    4. Taylor expanded in a around 0 60.2%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\cos b}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification79.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq -3 \cdot 10^{-6}:\\ \;\;\;\;\frac{r}{\frac{\cos b}{\sin b}}\\ \mathbf{elif}\;b \leq 16500:\\ \;\;\;\;\frac{r \cdot b}{\cos a}\\ \mathbf{else}:\\ \;\;\;\;\frac{r \cdot \sin b}{\cos b}\\ \end{array} \]

Alternative 10: 75.7% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq -9.2 \cdot 10^{-5}:\\ \;\;\;\;r \cdot \frac{1}{\frac{\cos b}{\sin b}}\\ \mathbf{elif}\;b \leq 16500:\\ \;\;\;\;\frac{r \cdot b}{\cos a}\\ \mathbf{else}:\\ \;\;\;\;\frac{r \cdot \sin b}{\cos b}\\ \end{array} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (if (<= b -9.2e-5)
   (* r (/ 1.0 (/ (cos b) (sin b))))
   (if (<= b 16500.0) (/ (* r b) (cos a)) (/ (* r (sin b)) (cos b)))))
double code(double r, double a, double b) {
	double tmp;
	if (b <= -9.2e-5) {
		tmp = r * (1.0 / (cos(b) / sin(b)));
	} else if (b <= 16500.0) {
		tmp = (r * b) / cos(a);
	} else {
		tmp = (r * sin(b)) / cos(b);
	}
	return tmp;
}
real(8) function code(r, a, b)
    real(8), intent (in) :: r
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if (b <= (-9.2d-5)) then
        tmp = r * (1.0d0 / (cos(b) / sin(b)))
    else if (b <= 16500.0d0) then
        tmp = (r * b) / cos(a)
    else
        tmp = (r * sin(b)) / cos(b)
    end if
    code = tmp
end function
public static double code(double r, double a, double b) {
	double tmp;
	if (b <= -9.2e-5) {
		tmp = r * (1.0 / (Math.cos(b) / Math.sin(b)));
	} else if (b <= 16500.0) {
		tmp = (r * b) / Math.cos(a);
	} else {
		tmp = (r * Math.sin(b)) / Math.cos(b);
	}
	return tmp;
}
def code(r, a, b):
	tmp = 0
	if b <= -9.2e-5:
		tmp = r * (1.0 / (math.cos(b) / math.sin(b)))
	elif b <= 16500.0:
		tmp = (r * b) / math.cos(a)
	else:
		tmp = (r * math.sin(b)) / math.cos(b)
	return tmp
function code(r, a, b)
	tmp = 0.0
	if (b <= -9.2e-5)
		tmp = Float64(r * Float64(1.0 / Float64(cos(b) / sin(b))));
	elseif (b <= 16500.0)
		tmp = Float64(Float64(r * b) / cos(a));
	else
		tmp = Float64(Float64(r * sin(b)) / cos(b));
	end
	return tmp
end
function tmp_2 = code(r, a, b)
	tmp = 0.0;
	if (b <= -9.2e-5)
		tmp = r * (1.0 / (cos(b) / sin(b)));
	elseif (b <= 16500.0)
		tmp = (r * b) / cos(a);
	else
		tmp = (r * sin(b)) / cos(b);
	end
	tmp_2 = tmp;
end
code[r_, a_, b_] := If[LessEqual[b, -9.2e-5], N[(r * N[(1.0 / N[(N[Cos[b], $MachinePrecision] / N[Sin[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[b, 16500.0], N[(N[(r * b), $MachinePrecision] / N[Cos[a], $MachinePrecision]), $MachinePrecision], N[(N[(r * N[Sin[b], $MachinePrecision]), $MachinePrecision] / N[Cos[b], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq -9.2 \cdot 10^{-5}:\\
\;\;\;\;r \cdot \frac{1}{\frac{\cos b}{\sin b}}\\

\mathbf{elif}\;b \leq 16500:\\
\;\;\;\;\frac{r \cdot b}{\cos a}\\

\mathbf{else}:\\
\;\;\;\;\frac{r \cdot \sin b}{\cos b}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if b < -9.20000000000000001e-5

    1. Initial program 60.0%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. +-commutative60.0%

        \[\leadsto \frac{r \cdot \sin b}{\cos \color{blue}{\left(b + a\right)}} \]
    3. Simplified60.0%

      \[\leadsto \color{blue}{\frac{r \cdot \sin b}{\cos \left(b + a\right)}} \]
    4. Taylor expanded in a around 0 57.8%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\cos b}} \]
    5. Step-by-step derivation
      1. associate-/l*57.9%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos b}{\sin b}}} \]
      2. div-inv57.9%

        \[\leadsto \color{blue}{r \cdot \frac{1}{\frac{\cos b}{\sin b}}} \]
    6. Applied egg-rr57.9%

      \[\leadsto \color{blue}{r \cdot \frac{1}{\frac{\cos b}{\sin b}}} \]

    if -9.20000000000000001e-5 < b < 16500

    1. Initial program 98.7%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. associate-/l*98.6%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
      2. remove-double-neg98.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\left(-\sin b\right)}}} \]
      3. sin-neg98.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{-\color{blue}{\sin \left(-b\right)}}} \]
      4. neg-mul-198.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-1 \cdot \sin \left(-b\right)}}} \]
      5. associate-/r*98.6%

        \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
      6. associate-/l*98.7%

        \[\leadsto \color{blue}{\frac{r \cdot \sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}}} \]
      7. *-commutative98.7%

        \[\leadsto \frac{\color{blue}{\sin \left(-b\right) \cdot r}}{\frac{\cos \left(a + b\right)}{-1}} \]
      8. associate-*l/98.6%

        \[\leadsto \color{blue}{\frac{\sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}} \cdot r} \]
      9. associate-/l*98.6%

        \[\leadsto \color{blue}{\frac{\sin \left(-b\right) \cdot -1}{\cos \left(a + b\right)}} \cdot r \]
      10. sin-neg98.6%

        \[\leadsto \frac{\color{blue}{\left(-\sin b\right)} \cdot -1}{\cos \left(a + b\right)} \cdot r \]
      11. distribute-lft-neg-in98.6%

        \[\leadsto \frac{\color{blue}{-\sin b \cdot -1}}{\cos \left(a + b\right)} \cdot r \]
      12. distribute-rgt-neg-in98.6%

        \[\leadsto \frac{\color{blue}{\sin b \cdot \left(--1\right)}}{\cos \left(a + b\right)} \cdot r \]
      13. associate-/l*98.6%

        \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(a + b\right)}{--1}}} \cdot r \]
      14. metadata-eval98.6%

        \[\leadsto \frac{\sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot r \]
      15. /-rgt-identity98.6%

        \[\leadsto \frac{\sin b}{\color{blue}{\cos \left(a + b\right)}} \cdot r \]
      16. +-commutative98.6%

        \[\leadsto \frac{\sin b}{\cos \color{blue}{\left(b + a\right)}} \cdot r \]
    3. Simplified98.6%

      \[\leadsto \color{blue}{\frac{\sin b}{\cos \left(b + a\right)} \cdot r} \]
    4. Taylor expanded in b around 0 98.8%

      \[\leadsto \color{blue}{\frac{b \cdot r}{\cos a}} \]

    if 16500 < b

    1. Initial program 59.6%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. +-commutative59.6%

        \[\leadsto \frac{r \cdot \sin b}{\cos \color{blue}{\left(b + a\right)}} \]
    3. Simplified59.6%

      \[\leadsto \color{blue}{\frac{r \cdot \sin b}{\cos \left(b + a\right)}} \]
    4. Taylor expanded in a around 0 60.2%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\cos b}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification79.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq -9.2 \cdot 10^{-5}:\\ \;\;\;\;r \cdot \frac{1}{\frac{\cos b}{\sin b}}\\ \mathbf{elif}\;b \leq 16500:\\ \;\;\;\;\frac{r \cdot b}{\cos a}\\ \mathbf{else}:\\ \;\;\;\;\frac{r \cdot \sin b}{\cos b}\\ \end{array} \]

Alternative 11: 76.1% accurate, 1.0× speedup?

\[\begin{array}{l} \\ r \cdot \frac{\sin b}{\cos \left(b + a\right)} \end{array} \]
(FPCore (r a b) :precision binary64 (* r (/ (sin b) (cos (+ b a)))))
double code(double r, double a, double b) {
	return r * (sin(b) / cos((b + a)));
}
real(8) function code(r, a, b)
    real(8), intent (in) :: r
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = r * (sin(b) / cos((b + a)))
end function
public static double code(double r, double a, double b) {
	return r * (Math.sin(b) / Math.cos((b + a)));
}
def code(r, a, b):
	return r * (math.sin(b) / math.cos((b + a)))
function code(r, a, b)
	return Float64(r * Float64(sin(b) / cos(Float64(b + a))))
end
function tmp = code(r, a, b)
	tmp = r * (sin(b) / cos((b + a)));
end
code[r_, a_, b_] := N[(r * N[(N[Sin[b], $MachinePrecision] / N[Cos[N[(b + a), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
r \cdot \frac{\sin b}{\cos \left(b + a\right)}
\end{array}
Derivation
  1. Initial program 79.6%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. associate-/l*79.5%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
    2. remove-double-neg79.5%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\left(-\sin b\right)}}} \]
    3. sin-neg79.5%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{-\color{blue}{\sin \left(-b\right)}}} \]
    4. neg-mul-179.5%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-1 \cdot \sin \left(-b\right)}}} \]
    5. associate-/r*79.5%

      \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
    6. associate-/l*79.6%

      \[\leadsto \color{blue}{\frac{r \cdot \sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}}} \]
    7. *-commutative79.6%

      \[\leadsto \frac{\color{blue}{\sin \left(-b\right) \cdot r}}{\frac{\cos \left(a + b\right)}{-1}} \]
    8. associate-*l/79.5%

      \[\leadsto \color{blue}{\frac{\sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}} \cdot r} \]
    9. associate-/l*79.5%

      \[\leadsto \color{blue}{\frac{\sin \left(-b\right) \cdot -1}{\cos \left(a + b\right)}} \cdot r \]
    10. sin-neg79.5%

      \[\leadsto \frac{\color{blue}{\left(-\sin b\right)} \cdot -1}{\cos \left(a + b\right)} \cdot r \]
    11. distribute-lft-neg-in79.5%

      \[\leadsto \frac{\color{blue}{-\sin b \cdot -1}}{\cos \left(a + b\right)} \cdot r \]
    12. distribute-rgt-neg-in79.5%

      \[\leadsto \frac{\color{blue}{\sin b \cdot \left(--1\right)}}{\cos \left(a + b\right)} \cdot r \]
    13. associate-/l*79.5%

      \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(a + b\right)}{--1}}} \cdot r \]
    14. metadata-eval79.5%

      \[\leadsto \frac{\sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot r \]
    15. /-rgt-identity79.5%

      \[\leadsto \frac{\sin b}{\color{blue}{\cos \left(a + b\right)}} \cdot r \]
    16. +-commutative79.5%

      \[\leadsto \frac{\sin b}{\cos \color{blue}{\left(b + a\right)}} \cdot r \]
  3. Simplified79.5%

    \[\leadsto \color{blue}{\frac{\sin b}{\cos \left(b + a\right)} \cdot r} \]
  4. Final simplification79.5%

    \[\leadsto r \cdot \frac{\sin b}{\cos \left(b + a\right)} \]

Alternative 12: 76.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \frac{r}{\frac{\cos \left(b + a\right)}{\sin b}} \end{array} \]
(FPCore (r a b) :precision binary64 (/ r (/ (cos (+ b a)) (sin b))))
double code(double r, double a, double b) {
	return r / (cos((b + a)) / sin(b));
}
real(8) function code(r, a, b)
    real(8), intent (in) :: r
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = r / (cos((b + a)) / sin(b))
end function
public static double code(double r, double a, double b) {
	return r / (Math.cos((b + a)) / Math.sin(b));
}
def code(r, a, b):
	return r / (math.cos((b + a)) / math.sin(b))
function code(r, a, b)
	return Float64(r / Float64(cos(Float64(b + a)) / sin(b)))
end
function tmp = code(r, a, b)
	tmp = r / (cos((b + a)) / sin(b));
end
code[r_, a_, b_] := N[(r / N[(N[Cos[N[(b + a), $MachinePrecision]], $MachinePrecision] / N[Sin[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{r}{\frac{\cos \left(b + a\right)}{\sin b}}
\end{array}
Derivation
  1. Initial program 79.6%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. associate-/l*79.5%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
    2. +-commutative79.5%

      \[\leadsto \frac{r}{\frac{\cos \color{blue}{\left(b + a\right)}}{\sin b}} \]
  3. Simplified79.5%

    \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(b + a\right)}{\sin b}}} \]
  4. Final simplification79.5%

    \[\leadsto \frac{r}{\frac{\cos \left(b + a\right)}{\sin b}} \]

Alternative 13: 76.1% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \frac{r \cdot \sin b}{\cos \left(b + a\right)} \end{array} \]
(FPCore (r a b) :precision binary64 (/ (* r (sin b)) (cos (+ b a))))
double code(double r, double a, double b) {
	return (r * sin(b)) / cos((b + a));
}
real(8) function code(r, a, b)
    real(8), intent (in) :: r
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = (r * sin(b)) / cos((b + a))
end function
public static double code(double r, double a, double b) {
	return (r * Math.sin(b)) / Math.cos((b + a));
}
def code(r, a, b):
	return (r * math.sin(b)) / math.cos((b + a))
function code(r, a, b)
	return Float64(Float64(r * sin(b)) / cos(Float64(b + a)))
end
function tmp = code(r, a, b)
	tmp = (r * sin(b)) / cos((b + a));
end
code[r_, a_, b_] := N[(N[(r * N[Sin[b], $MachinePrecision]), $MachinePrecision] / N[Cos[N[(b + a), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{r \cdot \sin b}{\cos \left(b + a\right)}
\end{array}
Derivation
  1. Initial program 79.6%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Final simplification79.6%

    \[\leadsto \frac{r \cdot \sin b}{\cos \left(b + a\right)} \]

Alternative 14: 74.3% accurate, 1.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq -0.000205 \lor \neg \left(b \leq 16500\right):\\ \;\;\;\;\frac{r}{\frac{1}{\tan b} - a}\\ \mathbf{else}:\\ \;\;\;\;\frac{r \cdot b}{\cos a}\\ \end{array} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (if (or (<= b -0.000205) (not (<= b 16500.0)))
   (/ r (- (/ 1.0 (tan b)) a))
   (/ (* r b) (cos a))))
double code(double r, double a, double b) {
	double tmp;
	if ((b <= -0.000205) || !(b <= 16500.0)) {
		tmp = r / ((1.0 / tan(b)) - a);
	} else {
		tmp = (r * b) / cos(a);
	}
	return tmp;
}
real(8) function code(r, a, b)
    real(8), intent (in) :: r
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: tmp
    if ((b <= (-0.000205d0)) .or. (.not. (b <= 16500.0d0))) then
        tmp = r / ((1.0d0 / tan(b)) - a)
    else
        tmp = (r * b) / cos(a)
    end if
    code = tmp
end function
public static double code(double r, double a, double b) {
	double tmp;
	if ((b <= -0.000205) || !(b <= 16500.0)) {
		tmp = r / ((1.0 / Math.tan(b)) - a);
	} else {
		tmp = (r * b) / Math.cos(a);
	}
	return tmp;
}
def code(r, a, b):
	tmp = 0
	if (b <= -0.000205) or not (b <= 16500.0):
		tmp = r / ((1.0 / math.tan(b)) - a)
	else:
		tmp = (r * b) / math.cos(a)
	return tmp
function code(r, a, b)
	tmp = 0.0
	if ((b <= -0.000205) || !(b <= 16500.0))
		tmp = Float64(r / Float64(Float64(1.0 / tan(b)) - a));
	else
		tmp = Float64(Float64(r * b) / cos(a));
	end
	return tmp
end
function tmp_2 = code(r, a, b)
	tmp = 0.0;
	if ((b <= -0.000205) || ~((b <= 16500.0)))
		tmp = r / ((1.0 / tan(b)) - a);
	else
		tmp = (r * b) / cos(a);
	end
	tmp_2 = tmp;
end
code[r_, a_, b_] := If[Or[LessEqual[b, -0.000205], N[Not[LessEqual[b, 16500.0]], $MachinePrecision]], N[(r / N[(N[(1.0 / N[Tan[b], $MachinePrecision]), $MachinePrecision] - a), $MachinePrecision]), $MachinePrecision], N[(N[(r * b), $MachinePrecision] / N[Cos[a], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq -0.000205 \lor \neg \left(b \leq 16500\right):\\
\;\;\;\;\frac{r}{\frac{1}{\tan b} - a}\\

\mathbf{else}:\\
\;\;\;\;\frac{r \cdot b}{\cos a}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if b < -2.05e-4 or 16500 < b

    1. Initial program 59.8%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. associate-/l*59.8%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
      2. +-commutative59.8%

        \[\leadsto \frac{r}{\frac{\cos \color{blue}{\left(b + a\right)}}{\sin b}} \]
    3. Simplified59.8%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(b + a\right)}{\sin b}}} \]
    4. Taylor expanded in a around 0 55.4%

      \[\leadsto \frac{r}{\color{blue}{-1 \cdot a + \frac{\cos b}{\sin b}}} \]
    5. Step-by-step derivation
      1. +-commutative55.4%

        \[\leadsto \frac{r}{\color{blue}{\frac{\cos b}{\sin b} + -1 \cdot a}} \]
      2. mul-1-neg55.4%

        \[\leadsto \frac{r}{\frac{\cos b}{\sin b} + \color{blue}{\left(-a\right)}} \]
      3. unsub-neg55.4%

        \[\leadsto \frac{r}{\color{blue}{\frac{\cos b}{\sin b} - a}} \]
    6. Simplified55.4%

      \[\leadsto \frac{r}{\color{blue}{\frac{\cos b}{\sin b} - a}} \]
    7. Step-by-step derivation
      1. expm1-log1p-u49.0%

        \[\leadsto \frac{r}{\color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{\cos b}{\sin b}\right)\right)} - a} \]
      2. expm1-udef48.9%

        \[\leadsto \frac{r}{\color{blue}{\left(e^{\mathsf{log1p}\left(\frac{\cos b}{\sin b}\right)} - 1\right)} - a} \]
      3. clear-num48.8%

        \[\leadsto \frac{r}{\left(e^{\mathsf{log1p}\left(\color{blue}{\frac{1}{\frac{\sin b}{\cos b}}}\right)} - 1\right) - a} \]
      4. quot-tan48.9%

        \[\leadsto \frac{r}{\left(e^{\mathsf{log1p}\left(\frac{1}{\color{blue}{\tan b}}\right)} - 1\right) - a} \]
    8. Applied egg-rr48.9%

      \[\leadsto \frac{r}{\color{blue}{\left(e^{\mathsf{log1p}\left(\frac{1}{\tan b}\right)} - 1\right)} - a} \]
    9. Step-by-step derivation
      1. expm1-def49.0%

        \[\leadsto \frac{r}{\color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{1}{\tan b}\right)\right)} - a} \]
      2. expm1-log1p55.4%

        \[\leadsto \frac{r}{\color{blue}{\frac{1}{\tan b}} - a} \]
    10. Simplified55.4%

      \[\leadsto \frac{r}{\color{blue}{\frac{1}{\tan b}} - a} \]

    if -2.05e-4 < b < 16500

    1. Initial program 98.7%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. associate-/l*98.6%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
      2. remove-double-neg98.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\left(-\sin b\right)}}} \]
      3. sin-neg98.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{-\color{blue}{\sin \left(-b\right)}}} \]
      4. neg-mul-198.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-1 \cdot \sin \left(-b\right)}}} \]
      5. associate-/r*98.6%

        \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
      6. associate-/l*98.7%

        \[\leadsto \color{blue}{\frac{r \cdot \sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}}} \]
      7. *-commutative98.7%

        \[\leadsto \frac{\color{blue}{\sin \left(-b\right) \cdot r}}{\frac{\cos \left(a + b\right)}{-1}} \]
      8. associate-*l/98.6%

        \[\leadsto \color{blue}{\frac{\sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}} \cdot r} \]
      9. associate-/l*98.6%

        \[\leadsto \color{blue}{\frac{\sin \left(-b\right) \cdot -1}{\cos \left(a + b\right)}} \cdot r \]
      10. sin-neg98.6%

        \[\leadsto \frac{\color{blue}{\left(-\sin b\right)} \cdot -1}{\cos \left(a + b\right)} \cdot r \]
      11. distribute-lft-neg-in98.6%

        \[\leadsto \frac{\color{blue}{-\sin b \cdot -1}}{\cos \left(a + b\right)} \cdot r \]
      12. distribute-rgt-neg-in98.6%

        \[\leadsto \frac{\color{blue}{\sin b \cdot \left(--1\right)}}{\cos \left(a + b\right)} \cdot r \]
      13. associate-/l*98.6%

        \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(a + b\right)}{--1}}} \cdot r \]
      14. metadata-eval98.6%

        \[\leadsto \frac{\sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot r \]
      15. /-rgt-identity98.6%

        \[\leadsto \frac{\sin b}{\color{blue}{\cos \left(a + b\right)}} \cdot r \]
      16. +-commutative98.6%

        \[\leadsto \frac{\sin b}{\cos \color{blue}{\left(b + a\right)}} \cdot r \]
    3. Simplified98.6%

      \[\leadsto \color{blue}{\frac{\sin b}{\cos \left(b + a\right)} \cdot r} \]
    4. Taylor expanded in b around 0 98.8%

      \[\leadsto \color{blue}{\frac{b \cdot r}{\cos a}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification77.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq -0.000205 \lor \neg \left(b \leq 16500\right):\\ \;\;\;\;\frac{r}{\frac{1}{\tan b} - a}\\ \mathbf{else}:\\ \;\;\;\;\frac{r \cdot b}{\cos a}\\ \end{array} \]

Alternative 15: 74.3% accurate, 1.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \frac{1}{\tan b} - a\\ \mathbf{if}\;b \leq -3.7 \cdot 10^{-5}:\\ \;\;\;\;r \cdot \frac{1}{t_0}\\ \mathbf{elif}\;b \leq 16500:\\ \;\;\;\;\frac{r \cdot b}{\cos a}\\ \mathbf{else}:\\ \;\;\;\;\frac{r}{t_0}\\ \end{array} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (let* ((t_0 (- (/ 1.0 (tan b)) a)))
   (if (<= b -3.7e-5)
     (* r (/ 1.0 t_0))
     (if (<= b 16500.0) (/ (* r b) (cos a)) (/ r t_0)))))
double code(double r, double a, double b) {
	double t_0 = (1.0 / tan(b)) - a;
	double tmp;
	if (b <= -3.7e-5) {
		tmp = r * (1.0 / t_0);
	} else if (b <= 16500.0) {
		tmp = (r * b) / cos(a);
	} else {
		tmp = r / t_0;
	}
	return tmp;
}
real(8) function code(r, a, b)
    real(8), intent (in) :: r
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8) :: t_0
    real(8) :: tmp
    t_0 = (1.0d0 / tan(b)) - a
    if (b <= (-3.7d-5)) then
        tmp = r * (1.0d0 / t_0)
    else if (b <= 16500.0d0) then
        tmp = (r * b) / cos(a)
    else
        tmp = r / t_0
    end if
    code = tmp
end function
public static double code(double r, double a, double b) {
	double t_0 = (1.0 / Math.tan(b)) - a;
	double tmp;
	if (b <= -3.7e-5) {
		tmp = r * (1.0 / t_0);
	} else if (b <= 16500.0) {
		tmp = (r * b) / Math.cos(a);
	} else {
		tmp = r / t_0;
	}
	return tmp;
}
def code(r, a, b):
	t_0 = (1.0 / math.tan(b)) - a
	tmp = 0
	if b <= -3.7e-5:
		tmp = r * (1.0 / t_0)
	elif b <= 16500.0:
		tmp = (r * b) / math.cos(a)
	else:
		tmp = r / t_0
	return tmp
function code(r, a, b)
	t_0 = Float64(Float64(1.0 / tan(b)) - a)
	tmp = 0.0
	if (b <= -3.7e-5)
		tmp = Float64(r * Float64(1.0 / t_0));
	elseif (b <= 16500.0)
		tmp = Float64(Float64(r * b) / cos(a));
	else
		tmp = Float64(r / t_0);
	end
	return tmp
end
function tmp_2 = code(r, a, b)
	t_0 = (1.0 / tan(b)) - a;
	tmp = 0.0;
	if (b <= -3.7e-5)
		tmp = r * (1.0 / t_0);
	elseif (b <= 16500.0)
		tmp = (r * b) / cos(a);
	else
		tmp = r / t_0;
	end
	tmp_2 = tmp;
end
code[r_, a_, b_] := Block[{t$95$0 = N[(N[(1.0 / N[Tan[b], $MachinePrecision]), $MachinePrecision] - a), $MachinePrecision]}, If[LessEqual[b, -3.7e-5], N[(r * N[(1.0 / t$95$0), $MachinePrecision]), $MachinePrecision], If[LessEqual[b, 16500.0], N[(N[(r * b), $MachinePrecision] / N[Cos[a], $MachinePrecision]), $MachinePrecision], N[(r / t$95$0), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \frac{1}{\tan b} - a\\
\mathbf{if}\;b \leq -3.7 \cdot 10^{-5}:\\
\;\;\;\;r \cdot \frac{1}{t_0}\\

\mathbf{elif}\;b \leq 16500:\\
\;\;\;\;\frac{r \cdot b}{\cos a}\\

\mathbf{else}:\\
\;\;\;\;\frac{r}{t_0}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if b < -3.69999999999999981e-5

    1. Initial program 60.0%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. associate-/l*60.1%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
      2. +-commutative60.1%

        \[\leadsto \frac{r}{\frac{\cos \color{blue}{\left(b + a\right)}}{\sin b}} \]
    3. Simplified60.1%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(b + a\right)}{\sin b}}} \]
    4. Taylor expanded in a around 0 55.5%

      \[\leadsto \frac{r}{\color{blue}{-1 \cdot a + \frac{\cos b}{\sin b}}} \]
    5. Step-by-step derivation
      1. +-commutative55.5%

        \[\leadsto \frac{r}{\color{blue}{\frac{\cos b}{\sin b} + -1 \cdot a}} \]
      2. mul-1-neg55.5%

        \[\leadsto \frac{r}{\frac{\cos b}{\sin b} + \color{blue}{\left(-a\right)}} \]
      3. unsub-neg55.5%

        \[\leadsto \frac{r}{\color{blue}{\frac{\cos b}{\sin b} - a}} \]
    6. Simplified55.5%

      \[\leadsto \frac{r}{\color{blue}{\frac{\cos b}{\sin b} - a}} \]
    7. Step-by-step derivation
      1. div-inv55.5%

        \[\leadsto \color{blue}{r \cdot \frac{1}{\frac{\cos b}{\sin b} - a}} \]
      2. clear-num55.4%

        \[\leadsto r \cdot \frac{1}{\color{blue}{\frac{1}{\frac{\sin b}{\cos b}}} - a} \]
      3. quot-tan55.4%

        \[\leadsto r \cdot \frac{1}{\frac{1}{\color{blue}{\tan b}} - a} \]
    8. Applied egg-rr55.4%

      \[\leadsto \color{blue}{r \cdot \frac{1}{\frac{1}{\tan b} - a}} \]

    if -3.69999999999999981e-5 < b < 16500

    1. Initial program 98.7%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. associate-/l*98.6%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
      2. remove-double-neg98.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\left(-\sin b\right)}}} \]
      3. sin-neg98.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{-\color{blue}{\sin \left(-b\right)}}} \]
      4. neg-mul-198.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-1 \cdot \sin \left(-b\right)}}} \]
      5. associate-/r*98.6%

        \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
      6. associate-/l*98.7%

        \[\leadsto \color{blue}{\frac{r \cdot \sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}}} \]
      7. *-commutative98.7%

        \[\leadsto \frac{\color{blue}{\sin \left(-b\right) \cdot r}}{\frac{\cos \left(a + b\right)}{-1}} \]
      8. associate-*l/98.6%

        \[\leadsto \color{blue}{\frac{\sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}} \cdot r} \]
      9. associate-/l*98.6%

        \[\leadsto \color{blue}{\frac{\sin \left(-b\right) \cdot -1}{\cos \left(a + b\right)}} \cdot r \]
      10. sin-neg98.6%

        \[\leadsto \frac{\color{blue}{\left(-\sin b\right)} \cdot -1}{\cos \left(a + b\right)} \cdot r \]
      11. distribute-lft-neg-in98.6%

        \[\leadsto \frac{\color{blue}{-\sin b \cdot -1}}{\cos \left(a + b\right)} \cdot r \]
      12. distribute-rgt-neg-in98.6%

        \[\leadsto \frac{\color{blue}{\sin b \cdot \left(--1\right)}}{\cos \left(a + b\right)} \cdot r \]
      13. associate-/l*98.6%

        \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(a + b\right)}{--1}}} \cdot r \]
      14. metadata-eval98.6%

        \[\leadsto \frac{\sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot r \]
      15. /-rgt-identity98.6%

        \[\leadsto \frac{\sin b}{\color{blue}{\cos \left(a + b\right)}} \cdot r \]
      16. +-commutative98.6%

        \[\leadsto \frac{\sin b}{\cos \color{blue}{\left(b + a\right)}} \cdot r \]
    3. Simplified98.6%

      \[\leadsto \color{blue}{\frac{\sin b}{\cos \left(b + a\right)} \cdot r} \]
    4. Taylor expanded in b around 0 98.8%

      \[\leadsto \color{blue}{\frac{b \cdot r}{\cos a}} \]

    if 16500 < b

    1. Initial program 59.6%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. associate-/l*59.5%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
      2. +-commutative59.5%

        \[\leadsto \frac{r}{\frac{\cos \color{blue}{\left(b + a\right)}}{\sin b}} \]
    3. Simplified59.5%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(b + a\right)}{\sin b}}} \]
    4. Taylor expanded in a around 0 55.3%

      \[\leadsto \frac{r}{\color{blue}{-1 \cdot a + \frac{\cos b}{\sin b}}} \]
    5. Step-by-step derivation
      1. +-commutative55.3%

        \[\leadsto \frac{r}{\color{blue}{\frac{\cos b}{\sin b} + -1 \cdot a}} \]
      2. mul-1-neg55.3%

        \[\leadsto \frac{r}{\frac{\cos b}{\sin b} + \color{blue}{\left(-a\right)}} \]
      3. unsub-neg55.3%

        \[\leadsto \frac{r}{\color{blue}{\frac{\cos b}{\sin b} - a}} \]
    6. Simplified55.3%

      \[\leadsto \frac{r}{\color{blue}{\frac{\cos b}{\sin b} - a}} \]
    7. Step-by-step derivation
      1. expm1-log1p-u53.3%

        \[\leadsto \frac{r}{\color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{\cos b}{\sin b}\right)\right)} - a} \]
      2. expm1-udef53.2%

        \[\leadsto \frac{r}{\color{blue}{\left(e^{\mathsf{log1p}\left(\frac{\cos b}{\sin b}\right)} - 1\right)} - a} \]
      3. clear-num53.3%

        \[\leadsto \frac{r}{\left(e^{\mathsf{log1p}\left(\color{blue}{\frac{1}{\frac{\sin b}{\cos b}}}\right)} - 1\right) - a} \]
      4. quot-tan53.3%

        \[\leadsto \frac{r}{\left(e^{\mathsf{log1p}\left(\frac{1}{\color{blue}{\tan b}}\right)} - 1\right) - a} \]
    8. Applied egg-rr53.3%

      \[\leadsto \frac{r}{\color{blue}{\left(e^{\mathsf{log1p}\left(\frac{1}{\tan b}\right)} - 1\right)} - a} \]
    9. Step-by-step derivation
      1. expm1-def53.4%

        \[\leadsto \frac{r}{\color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{1}{\tan b}\right)\right)} - a} \]
      2. expm1-log1p55.4%

        \[\leadsto \frac{r}{\color{blue}{\frac{1}{\tan b}} - a} \]
    10. Simplified55.4%

      \[\leadsto \frac{r}{\color{blue}{\frac{1}{\tan b}} - a} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification77.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq -3.7 \cdot 10^{-5}:\\ \;\;\;\;r \cdot \frac{1}{\frac{1}{\tan b} - a}\\ \mathbf{elif}\;b \leq 16500:\\ \;\;\;\;\frac{r \cdot b}{\cos a}\\ \mathbf{else}:\\ \;\;\;\;\frac{r}{\frac{1}{\tan b} - a}\\ \end{array} \]

Alternative 16: 50.5% accurate, 2.0× speedup?

\[\begin{array}{l} \\ r \cdot \frac{b}{\cos a} \end{array} \]
(FPCore (r a b) :precision binary64 (* r (/ b (cos a))))
double code(double r, double a, double b) {
	return r * (b / cos(a));
}
real(8) function code(r, a, b)
    real(8), intent (in) :: r
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = r * (b / cos(a))
end function
public static double code(double r, double a, double b) {
	return r * (b / Math.cos(a));
}
def code(r, a, b):
	return r * (b / math.cos(a))
function code(r, a, b)
	return Float64(r * Float64(b / cos(a)))
end
function tmp = code(r, a, b)
	tmp = r * (b / cos(a));
end
code[r_, a_, b_] := N[(r * N[(b / N[Cos[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
r \cdot \frac{b}{\cos a}
\end{array}
Derivation
  1. Initial program 79.6%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. associate-/l*79.5%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
    2. remove-double-neg79.5%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\left(-\sin b\right)}}} \]
    3. sin-neg79.5%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{-\color{blue}{\sin \left(-b\right)}}} \]
    4. neg-mul-179.5%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-1 \cdot \sin \left(-b\right)}}} \]
    5. associate-/r*79.5%

      \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
    6. associate-/l*79.6%

      \[\leadsto \color{blue}{\frac{r \cdot \sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}}} \]
    7. *-commutative79.6%

      \[\leadsto \frac{\color{blue}{\sin \left(-b\right) \cdot r}}{\frac{\cos \left(a + b\right)}{-1}} \]
    8. associate-*l/79.5%

      \[\leadsto \color{blue}{\frac{\sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}} \cdot r} \]
    9. associate-/l*79.5%

      \[\leadsto \color{blue}{\frac{\sin \left(-b\right) \cdot -1}{\cos \left(a + b\right)}} \cdot r \]
    10. sin-neg79.5%

      \[\leadsto \frac{\color{blue}{\left(-\sin b\right)} \cdot -1}{\cos \left(a + b\right)} \cdot r \]
    11. distribute-lft-neg-in79.5%

      \[\leadsto \frac{\color{blue}{-\sin b \cdot -1}}{\cos \left(a + b\right)} \cdot r \]
    12. distribute-rgt-neg-in79.5%

      \[\leadsto \frac{\color{blue}{\sin b \cdot \left(--1\right)}}{\cos \left(a + b\right)} \cdot r \]
    13. associate-/l*79.5%

      \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(a + b\right)}{--1}}} \cdot r \]
    14. metadata-eval79.5%

      \[\leadsto \frac{\sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot r \]
    15. /-rgt-identity79.5%

      \[\leadsto \frac{\sin b}{\color{blue}{\cos \left(a + b\right)}} \cdot r \]
    16. +-commutative79.5%

      \[\leadsto \frac{\sin b}{\cos \color{blue}{\left(b + a\right)}} \cdot r \]
  3. Simplified79.5%

    \[\leadsto \color{blue}{\frac{\sin b}{\cos \left(b + a\right)} \cdot r} \]
  4. Taylor expanded in b around 0 52.2%

    \[\leadsto \color{blue}{\frac{b}{\cos a}} \cdot r \]
  5. Final simplification52.2%

    \[\leadsto r \cdot \frac{b}{\cos a} \]

Alternative 17: 50.5% accurate, 2.0× speedup?

\[\begin{array}{l} \\ \frac{r \cdot b}{\cos a} \end{array} \]
(FPCore (r a b) :precision binary64 (/ (* r b) (cos a)))
double code(double r, double a, double b) {
	return (r * b) / cos(a);
}
real(8) function code(r, a, b)
    real(8), intent (in) :: r
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = (r * b) / cos(a)
end function
public static double code(double r, double a, double b) {
	return (r * b) / Math.cos(a);
}
def code(r, a, b):
	return (r * b) / math.cos(a)
function code(r, a, b)
	return Float64(Float64(r * b) / cos(a))
end
function tmp = code(r, a, b)
	tmp = (r * b) / cos(a);
end
code[r_, a_, b_] := N[(N[(r * b), $MachinePrecision] / N[Cos[a], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{r \cdot b}{\cos a}
\end{array}
Derivation
  1. Initial program 79.6%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. associate-/l*79.5%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
    2. remove-double-neg79.5%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\left(-\sin b\right)}}} \]
    3. sin-neg79.5%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{-\color{blue}{\sin \left(-b\right)}}} \]
    4. neg-mul-179.5%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-1 \cdot \sin \left(-b\right)}}} \]
    5. associate-/r*79.5%

      \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
    6. associate-/l*79.6%

      \[\leadsto \color{blue}{\frac{r \cdot \sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}}} \]
    7. *-commutative79.6%

      \[\leadsto \frac{\color{blue}{\sin \left(-b\right) \cdot r}}{\frac{\cos \left(a + b\right)}{-1}} \]
    8. associate-*l/79.5%

      \[\leadsto \color{blue}{\frac{\sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}} \cdot r} \]
    9. associate-/l*79.5%

      \[\leadsto \color{blue}{\frac{\sin \left(-b\right) \cdot -1}{\cos \left(a + b\right)}} \cdot r \]
    10. sin-neg79.5%

      \[\leadsto \frac{\color{blue}{\left(-\sin b\right)} \cdot -1}{\cos \left(a + b\right)} \cdot r \]
    11. distribute-lft-neg-in79.5%

      \[\leadsto \frac{\color{blue}{-\sin b \cdot -1}}{\cos \left(a + b\right)} \cdot r \]
    12. distribute-rgt-neg-in79.5%

      \[\leadsto \frac{\color{blue}{\sin b \cdot \left(--1\right)}}{\cos \left(a + b\right)} \cdot r \]
    13. associate-/l*79.5%

      \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(a + b\right)}{--1}}} \cdot r \]
    14. metadata-eval79.5%

      \[\leadsto \frac{\sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot r \]
    15. /-rgt-identity79.5%

      \[\leadsto \frac{\sin b}{\color{blue}{\cos \left(a + b\right)}} \cdot r \]
    16. +-commutative79.5%

      \[\leadsto \frac{\sin b}{\cos \color{blue}{\left(b + a\right)}} \cdot r \]
  3. Simplified79.5%

    \[\leadsto \color{blue}{\frac{\sin b}{\cos \left(b + a\right)} \cdot r} \]
  4. Taylor expanded in b around 0 52.2%

    \[\leadsto \color{blue}{\frac{b \cdot r}{\cos a}} \]
  5. Final simplification52.2%

    \[\leadsto \frac{r \cdot b}{\cos a} \]

Alternative 18: 34.2% accurate, 69.0× speedup?

\[\begin{array}{l} \\ r \cdot b \end{array} \]
(FPCore (r a b) :precision binary64 (* r b))
double code(double r, double a, double b) {
	return r * b;
}
real(8) function code(r, a, b)
    real(8), intent (in) :: r
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = r * b
end function
public static double code(double r, double a, double b) {
	return r * b;
}
def code(r, a, b):
	return r * b
function code(r, a, b)
	return Float64(r * b)
end
function tmp = code(r, a, b)
	tmp = r * b;
end
code[r_, a_, b_] := N[(r * b), $MachinePrecision]
\begin{array}{l}

\\
r \cdot b
\end{array}
Derivation
  1. Initial program 79.6%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. associate-/l*79.5%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
    2. remove-double-neg79.5%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\left(-\sin b\right)}}} \]
    3. sin-neg79.5%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{-\color{blue}{\sin \left(-b\right)}}} \]
    4. neg-mul-179.5%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-1 \cdot \sin \left(-b\right)}}} \]
    5. associate-/r*79.5%

      \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
    6. associate-/l*79.6%

      \[\leadsto \color{blue}{\frac{r \cdot \sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}}} \]
    7. *-commutative79.6%

      \[\leadsto \frac{\color{blue}{\sin \left(-b\right) \cdot r}}{\frac{\cos \left(a + b\right)}{-1}} \]
    8. associate-*l/79.5%

      \[\leadsto \color{blue}{\frac{\sin \left(-b\right)}{\frac{\cos \left(a + b\right)}{-1}} \cdot r} \]
    9. associate-/l*79.5%

      \[\leadsto \color{blue}{\frac{\sin \left(-b\right) \cdot -1}{\cos \left(a + b\right)}} \cdot r \]
    10. sin-neg79.5%

      \[\leadsto \frac{\color{blue}{\left(-\sin b\right)} \cdot -1}{\cos \left(a + b\right)} \cdot r \]
    11. distribute-lft-neg-in79.5%

      \[\leadsto \frac{\color{blue}{-\sin b \cdot -1}}{\cos \left(a + b\right)} \cdot r \]
    12. distribute-rgt-neg-in79.5%

      \[\leadsto \frac{\color{blue}{\sin b \cdot \left(--1\right)}}{\cos \left(a + b\right)} \cdot r \]
    13. associate-/l*79.5%

      \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(a + b\right)}{--1}}} \cdot r \]
    14. metadata-eval79.5%

      \[\leadsto \frac{\sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot r \]
    15. /-rgt-identity79.5%

      \[\leadsto \frac{\sin b}{\color{blue}{\cos \left(a + b\right)}} \cdot r \]
    16. +-commutative79.5%

      \[\leadsto \frac{\sin b}{\cos \color{blue}{\left(b + a\right)}} \cdot r \]
  3. Simplified79.5%

    \[\leadsto \color{blue}{\frac{\sin b}{\cos \left(b + a\right)} \cdot r} \]
  4. Taylor expanded in b around 0 52.2%

    \[\leadsto \color{blue}{\frac{b}{\cos a}} \cdot r \]
  5. Taylor expanded in a around 0 36.4%

    \[\leadsto \color{blue}{b \cdot r} \]
  6. Step-by-step derivation
    1. *-commutative36.4%

      \[\leadsto \color{blue}{r \cdot b} \]
  7. Simplified36.4%

    \[\leadsto \color{blue}{r \cdot b} \]
  8. Final simplification36.4%

    \[\leadsto r \cdot b \]

Reproduce

?
herbie shell --seed 2023318 
(FPCore (r a b)
  :name "rsin A (should all be same)"
  :precision binary64
  (/ (* r (sin b)) (cos (+ a b))))