rsin A (should all be same)

Percentage Accurate: 76.0% → 99.4%
Time: 20.1s
Alternatives: 15
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 15 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: 76.0% 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: 99.4% accurate, 0.5× speedup?

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

\\
\frac{r}{\frac{\cos a \cdot \cos b}{\sin b} - \sin a}
\end{array}
Derivation
  1. Initial program 77.8%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. remove-double-neg77.8%

      \[\leadsto \color{blue}{-\left(-\frac{r \cdot \sin b}{\cos \left(a + b\right)}\right)} \]
    2. associate-/l*77.8%

      \[\leadsto -\left(-\color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}}\right) \]
    3. distribute-frac-neg77.8%

      \[\leadsto -\color{blue}{\frac{-r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
    4. associate-/r/77.8%

      \[\leadsto -\color{blue}{\frac{-r}{\cos \left(a + b\right)} \cdot \sin b} \]
    5. distribute-rgt-neg-in77.8%

      \[\leadsto \color{blue}{\frac{-r}{\cos \left(a + b\right)} \cdot \left(-\sin b\right)} \]
    6. sin-neg77.8%

      \[\leadsto \frac{-r}{\cos \left(a + b\right)} \cdot \color{blue}{\sin \left(-b\right)} \]
    7. neg-mul-177.8%

      \[\leadsto \frac{\color{blue}{-1 \cdot r}}{\cos \left(a + b\right)} \cdot \sin \left(-b\right) \]
    8. *-commutative77.8%

      \[\leadsto \frac{\color{blue}{r \cdot -1}}{\cos \left(a + b\right)} \cdot \sin \left(-b\right) \]
    9. associate-/l*77.8%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{-1}}} \cdot \sin \left(-b\right) \]
    10. associate-/r/77.8%

      \[\leadsto \color{blue}{\frac{r}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
    11. associate-/l/77.8%

      \[\leadsto \frac{r}{\color{blue}{\frac{\cos \left(a + b\right)}{\sin \left(-b\right) \cdot -1}}} \]
    12. sin-neg77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{\left(-\sin b\right)} \cdot -1}} \]
    13. distribute-lft-neg-in77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\sin b \cdot -1}}} \]
    14. distribute-rgt-neg-in77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{\sin b \cdot \left(--1\right)}}} \]
    15. associate-/l/77.8%

      \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{--1}}{\sin b}}} \]
    16. metadata-eval77.8%

      \[\leadsto \frac{r}{\frac{\frac{\cos \left(a + b\right)}{\color{blue}{1}}}{\sin b}} \]
    17. /-rgt-identity77.8%

      \[\leadsto \frac{r}{\frac{\color{blue}{\cos \left(a + b\right)}}{\sin b}} \]
    18. +-commutative77.8%

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

    \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(b + a\right)}{\sin b}}} \]
  4. Step-by-step derivation
    1. +-commutative77.8%

      \[\leadsto \frac{r}{\frac{\cos \color{blue}{\left(a + b\right)}}{\sin b}} \]
    2. cos-sum99.5%

      \[\leadsto \frac{r}{\frac{\color{blue}{\cos a \cdot \cos b - \sin a \cdot \sin b}}{\sin b}} \]
    3. div-sub99.5%

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

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

    \[\leadsto \frac{r}{\color{blue}{\frac{\cos a \cdot \cos b}{\sin b} - \frac{\sin b \cdot \sin a}{\sin b}}} \]
  6. Taylor expanded in b around 0 99.5%

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

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

Alternative 2: 99.4% accurate, 0.5× speedup?

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

\\
\frac{r}{\cos a \cdot \frac{\cos b}{\sin b} - \sin a}
\end{array}
Derivation
  1. Initial program 77.8%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. remove-double-neg77.8%

      \[\leadsto \color{blue}{-\left(-\frac{r \cdot \sin b}{\cos \left(a + b\right)}\right)} \]
    2. associate-/l*77.8%

      \[\leadsto -\left(-\color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}}\right) \]
    3. distribute-frac-neg77.8%

      \[\leadsto -\color{blue}{\frac{-r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
    4. associate-/r/77.8%

      \[\leadsto -\color{blue}{\frac{-r}{\cos \left(a + b\right)} \cdot \sin b} \]
    5. distribute-rgt-neg-in77.8%

      \[\leadsto \color{blue}{\frac{-r}{\cos \left(a + b\right)} \cdot \left(-\sin b\right)} \]
    6. sin-neg77.8%

      \[\leadsto \frac{-r}{\cos \left(a + b\right)} \cdot \color{blue}{\sin \left(-b\right)} \]
    7. neg-mul-177.8%

      \[\leadsto \frac{\color{blue}{-1 \cdot r}}{\cos \left(a + b\right)} \cdot \sin \left(-b\right) \]
    8. *-commutative77.8%

      \[\leadsto \frac{\color{blue}{r \cdot -1}}{\cos \left(a + b\right)} \cdot \sin \left(-b\right) \]
    9. associate-/l*77.8%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{-1}}} \cdot \sin \left(-b\right) \]
    10. associate-/r/77.8%

      \[\leadsto \color{blue}{\frac{r}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
    11. associate-/l/77.8%

      \[\leadsto \frac{r}{\color{blue}{\frac{\cos \left(a + b\right)}{\sin \left(-b\right) \cdot -1}}} \]
    12. sin-neg77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{\left(-\sin b\right)} \cdot -1}} \]
    13. distribute-lft-neg-in77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\sin b \cdot -1}}} \]
    14. distribute-rgt-neg-in77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{\sin b \cdot \left(--1\right)}}} \]
    15. associate-/l/77.8%

      \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{--1}}{\sin b}}} \]
    16. metadata-eval77.8%

      \[\leadsto \frac{r}{\frac{\frac{\cos \left(a + b\right)}{\color{blue}{1}}}{\sin b}} \]
    17. /-rgt-identity77.8%

      \[\leadsto \frac{r}{\frac{\color{blue}{\cos \left(a + b\right)}}{\sin b}} \]
    18. +-commutative77.8%

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

    \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(b + a\right)}{\sin b}}} \]
  4. Step-by-step derivation
    1. +-commutative77.8%

      \[\leadsto \frac{r}{\frac{\cos \color{blue}{\left(a + b\right)}}{\sin b}} \]
    2. cos-sum99.5%

      \[\leadsto \frac{r}{\frac{\color{blue}{\cos a \cdot \cos b - \sin a \cdot \sin b}}{\sin b}} \]
    3. div-sub99.5%

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

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

    \[\leadsto \frac{r}{\color{blue}{\frac{\cos a \cdot \cos b}{\sin b} - \frac{\sin b \cdot \sin a}{\sin b}}} \]
  6. Taylor expanded in r around 0 99.5%

    \[\leadsto \color{blue}{\frac{r}{\frac{\cos a \cdot \cos b}{\sin b} - \sin a}} \]
  7. Step-by-step derivation
    1. associate-*r/99.5%

      \[\leadsto \frac{r}{\color{blue}{\cos a \cdot \frac{\cos b}{\sin b}} - \sin a} \]
  8. Simplified99.5%

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

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

Alternative 3: 77.3% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \frac{r}{\frac{0.5 \cdot \left(2 \cdot \cos \left(a + b\right)\right)}{\sin b} - \sin a} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (/ r (- (/ (* 0.5 (* 2.0 (cos (+ a b)))) (sin b)) (sin a))))
double code(double r, double a, double b) {
	return r / (((0.5 * (2.0 * cos((a + 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 / (((0.5d0 * (2.0d0 * cos((a + b)))) / sin(b)) - sin(a))
end function
public static double code(double r, double a, double b) {
	return r / (((0.5 * (2.0 * Math.cos((a + b)))) / Math.sin(b)) - Math.sin(a));
}
def code(r, a, b):
	return r / (((0.5 * (2.0 * math.cos((a + b)))) / math.sin(b)) - math.sin(a))
function code(r, a, b)
	return Float64(r / Float64(Float64(Float64(0.5 * Float64(2.0 * cos(Float64(a + b)))) / sin(b)) - sin(a)))
end
function tmp = code(r, a, b)
	tmp = r / (((0.5 * (2.0 * cos((a + b)))) / sin(b)) - sin(a));
end
code[r_, a_, b_] := N[(r / N[(N[(N[(0.5 * N[(2.0 * N[Cos[N[(a + b), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Sin[b], $MachinePrecision]), $MachinePrecision] - N[Sin[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{r}{\frac{0.5 \cdot \left(2 \cdot \cos \left(a + b\right)\right)}{\sin b} - \sin a}
\end{array}
Derivation
  1. Initial program 77.8%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. remove-double-neg77.8%

      \[\leadsto \color{blue}{-\left(-\frac{r \cdot \sin b}{\cos \left(a + b\right)}\right)} \]
    2. associate-/l*77.8%

      \[\leadsto -\left(-\color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}}\right) \]
    3. distribute-frac-neg77.8%

      \[\leadsto -\color{blue}{\frac{-r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
    4. associate-/r/77.8%

      \[\leadsto -\color{blue}{\frac{-r}{\cos \left(a + b\right)} \cdot \sin b} \]
    5. distribute-rgt-neg-in77.8%

      \[\leadsto \color{blue}{\frac{-r}{\cos \left(a + b\right)} \cdot \left(-\sin b\right)} \]
    6. sin-neg77.8%

      \[\leadsto \frac{-r}{\cos \left(a + b\right)} \cdot \color{blue}{\sin \left(-b\right)} \]
    7. neg-mul-177.8%

      \[\leadsto \frac{\color{blue}{-1 \cdot r}}{\cos \left(a + b\right)} \cdot \sin \left(-b\right) \]
    8. *-commutative77.8%

      \[\leadsto \frac{\color{blue}{r \cdot -1}}{\cos \left(a + b\right)} \cdot \sin \left(-b\right) \]
    9. associate-/l*77.8%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{-1}}} \cdot \sin \left(-b\right) \]
    10. associate-/r/77.8%

      \[\leadsto \color{blue}{\frac{r}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
    11. associate-/l/77.8%

      \[\leadsto \frac{r}{\color{blue}{\frac{\cos \left(a + b\right)}{\sin \left(-b\right) \cdot -1}}} \]
    12. sin-neg77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{\left(-\sin b\right)} \cdot -1}} \]
    13. distribute-lft-neg-in77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\sin b \cdot -1}}} \]
    14. distribute-rgt-neg-in77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{\sin b \cdot \left(--1\right)}}} \]
    15. associate-/l/77.8%

      \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{--1}}{\sin b}}} \]
    16. metadata-eval77.8%

      \[\leadsto \frac{r}{\frac{\frac{\cos \left(a + b\right)}{\color{blue}{1}}}{\sin b}} \]
    17. /-rgt-identity77.8%

      \[\leadsto \frac{r}{\frac{\color{blue}{\cos \left(a + b\right)}}{\sin b}} \]
    18. +-commutative77.8%

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

    \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(b + a\right)}{\sin b}}} \]
  4. Step-by-step derivation
    1. +-commutative77.8%

      \[\leadsto \frac{r}{\frac{\cos \color{blue}{\left(a + b\right)}}{\sin b}} \]
    2. cos-sum99.5%

      \[\leadsto \frac{r}{\frac{\color{blue}{\cos a \cdot \cos b - \sin a \cdot \sin b}}{\sin b}} \]
    3. div-sub99.5%

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

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

    \[\leadsto \frac{r}{\color{blue}{\frac{\cos a \cdot \cos b}{\sin b} - \frac{\sin b \cdot \sin a}{\sin b}}} \]
  6. Taylor expanded in b around 0 99.5%

    \[\leadsto \frac{r}{\frac{\cos a \cdot \cos b}{\sin b} - \color{blue}{\sin a}} \]
  7. Step-by-step derivation
    1. cos-mult79.0%

      \[\leadsto \frac{r}{\frac{\color{blue}{\frac{\cos \left(a + b\right) + \cos \left(a - b\right)}{2}}}{\sin b} - \sin a} \]
    2. clear-num79.0%

      \[\leadsto \frac{r}{\frac{\color{blue}{\frac{1}{\frac{2}{\cos \left(a + b\right) + \cos \left(a - b\right)}}}}{\sin b} - \sin a} \]
    3. +-commutative79.0%

      \[\leadsto \frac{r}{\frac{\frac{1}{\frac{2}{\cos \color{blue}{\left(b + a\right)} + \cos \left(a - b\right)}}}{\sin b} - \sin a} \]
    4. cos-diff78.8%

      \[\leadsto \frac{r}{\frac{\frac{1}{\frac{2}{\cos \left(b + a\right) + \color{blue}{\left(\cos a \cdot \cos b + \sin a \cdot \sin b\right)}}}}{\sin b} - \sin a} \]
    5. *-commutative78.8%

      \[\leadsto \frac{r}{\frac{\frac{1}{\frac{2}{\cos \left(b + a\right) + \left(\cos a \cdot \cos b + \color{blue}{\sin b \cdot \sin a}\right)}}}{\sin b} - \sin a} \]
    6. add-sqr-sqrt44.5%

      \[\leadsto \frac{r}{\frac{\frac{1}{\frac{2}{\cos \left(b + a\right) + \left(\cos a \cdot \cos b + \color{blue}{\sqrt{\sin b \cdot \sin a} \cdot \sqrt{\sin b \cdot \sin a}}\right)}}}{\sin b} - \sin a} \]
    7. sqrt-unprod79.0%

      \[\leadsto \frac{r}{\frac{\frac{1}{\frac{2}{\cos \left(b + a\right) + \left(\cos a \cdot \cos b + \color{blue}{\sqrt{\left(\sin b \cdot \sin a\right) \cdot \left(\sin b \cdot \sin a\right)}}\right)}}}{\sin b} - \sin a} \]
    8. sqr-neg79.0%

      \[\leadsto \frac{r}{\frac{\frac{1}{\frac{2}{\cos \left(b + a\right) + \left(\cos a \cdot \cos b + \sqrt{\color{blue}{\left(-\sin b \cdot \sin a\right) \cdot \left(-\sin b \cdot \sin a\right)}}\right)}}}{\sin b} - \sin a} \]
    9. sqrt-unprod45.4%

      \[\leadsto \frac{r}{\frac{\frac{1}{\frac{2}{\cos \left(b + a\right) + \left(\cos a \cdot \cos b + \color{blue}{\sqrt{-\sin b \cdot \sin a} \cdot \sqrt{-\sin b \cdot \sin a}}\right)}}}{\sin b} - \sin a} \]
    10. add-sqr-sqrt78.9%

      \[\leadsto \frac{r}{\frac{\frac{1}{\frac{2}{\cos \left(b + a\right) + \left(\cos a \cdot \cos b + \color{blue}{\left(-\sin b \cdot \sin a\right)}\right)}}}{\sin b} - \sin a} \]
    11. sub-neg78.9%

      \[\leadsto \frac{r}{\frac{\frac{1}{\frac{2}{\cos \left(b + a\right) + \color{blue}{\left(\cos a \cdot \cos b - \sin b \cdot \sin a\right)}}}}{\sin b} - \sin a} \]
    12. *-commutative78.9%

      \[\leadsto \frac{r}{\frac{\frac{1}{\frac{2}{\cos \left(b + a\right) + \left(\color{blue}{\cos b \cdot \cos a} - \sin b \cdot \sin a\right)}}}{\sin b} - \sin a} \]
    13. cos-sum78.8%

      \[\leadsto \frac{r}{\frac{\frac{1}{\frac{2}{\cos \left(b + a\right) + \color{blue}{\cos \left(b + a\right)}}}}{\sin b} - \sin a} \]
  8. Applied egg-rr78.8%

    \[\leadsto \frac{r}{\frac{\color{blue}{\frac{1}{\frac{2}{\cos \left(b + a\right) + \cos \left(b + a\right)}}}}{\sin b} - \sin a} \]
  9. Step-by-step derivation
    1. associate-/r/78.8%

      \[\leadsto \frac{r}{\frac{\color{blue}{\frac{1}{2} \cdot \left(\cos \left(b + a\right) + \cos \left(b + a\right)\right)}}{\sin b} - \sin a} \]
    2. metadata-eval78.8%

      \[\leadsto \frac{r}{\frac{\color{blue}{0.5} \cdot \left(\cos \left(b + a\right) + \cos \left(b + a\right)\right)}{\sin b} - \sin a} \]
    3. count-278.8%

      \[\leadsto \frac{r}{\frac{0.5 \cdot \color{blue}{\left(2 \cdot \cos \left(b + a\right)\right)}}{\sin b} - \sin a} \]
  10. Simplified78.8%

    \[\leadsto \frac{r}{\frac{\color{blue}{0.5 \cdot \left(2 \cdot \cos \left(b + a\right)\right)}}{\sin b} - \sin a} \]
  11. Final simplification78.8%

    \[\leadsto \frac{r}{\frac{0.5 \cdot \left(2 \cdot \cos \left(a + b\right)\right)}{\sin b} - \sin a} \]

Alternative 4: 77.0% accurate, 0.7× speedup?

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

\\
\sin b \cdot \frac{r}{\cos a \cdot \cos b}
\end{array}
Derivation
  1. Initial program 77.8%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. /-rgt-identity77.8%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\frac{\cos \left(a + b\right)}{1}}} \]
    2. metadata-eval77.8%

      \[\leadsto \frac{r \cdot \sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{--1}}} \]
    3. associate-*l/77.8%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{--1}} \cdot \sin b} \]
    4. metadata-eval77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot \sin b \]
    5. /-rgt-identity77.8%

      \[\leadsto \frac{r}{\color{blue}{\cos \left(a + b\right)}} \cdot \sin b \]
    6. +-commutative77.8%

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

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

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

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

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

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

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

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

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

      \[\leadsto \frac{r}{\color{blue}{\left(-\sin b \cdot \sin a\right) + \cos a \cdot \cos b}} \cdot \sin b \]
  7. Applied egg-rr78.8%

    \[\leadsto \frac{r}{\color{blue}{\frac{\cos \left(b + a\right)}{2} - \left(\frac{\cos \left(b + a\right)}{2} - \cos b \cdot \cos a\right)}} \cdot \sin b \]
  8. Step-by-step derivation
    1. associate--r-78.8%

      \[\leadsto \frac{r}{\color{blue}{\left(\frac{\cos \left(b + a\right)}{2} - \frac{\cos \left(b + a\right)}{2}\right) + \cos b \cdot \cos a}} \cdot \sin b \]
    2. +-inverses78.8%

      \[\leadsto \frac{r}{\color{blue}{0} + \cos b \cdot \cos a} \cdot \sin b \]
    3. +-lft-identity78.8%

      \[\leadsto \frac{r}{\color{blue}{\cos b \cdot \cos a}} \cdot \sin b \]
    4. *-commutative78.8%

      \[\leadsto \frac{r}{\color{blue}{\cos a \cdot \cos b}} \cdot \sin b \]
  9. Simplified78.8%

    \[\leadsto \frac{r}{\color{blue}{\cos a \cdot \cos b}} \cdot \sin b \]
  10. Final simplification78.8%

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

Alternative 5: 75.6% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;a \leq -0.88 \lor \neg \left(a \leq 26000000\right):\\ \;\;\;\;\sin b \cdot \frac{r}{\cos a}\\ \mathbf{else}:\\ \;\;\;\;\sin b \cdot \frac{r}{\cos b}\\ \end{array} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (if (or (<= a -0.88) (not (<= a 26000000.0)))
   (* (sin b) (/ r (cos a)))
   (* (sin b) (/ r (cos b)))))
double code(double r, double a, double b) {
	double tmp;
	if ((a <= -0.88) || !(a <= 26000000.0)) {
		tmp = sin(b) * (r / 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 ((a <= (-0.88d0)) .or. (.not. (a <= 26000000.0d0))) then
        tmp = sin(b) * (r / 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 ((a <= -0.88) || !(a <= 26000000.0)) {
		tmp = Math.sin(b) * (r / Math.cos(a));
	} else {
		tmp = Math.sin(b) * (r / Math.cos(b));
	}
	return tmp;
}
def code(r, a, b):
	tmp = 0
	if (a <= -0.88) or not (a <= 26000000.0):
		tmp = math.sin(b) * (r / math.cos(a))
	else:
		tmp = math.sin(b) * (r / math.cos(b))
	return tmp
function code(r, a, b)
	tmp = 0.0
	if ((a <= -0.88) || !(a <= 26000000.0))
		tmp = Float64(sin(b) * Float64(r / 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 ((a <= -0.88) || ~((a <= 26000000.0)))
		tmp = sin(b) * (r / cos(a));
	else
		tmp = sin(b) * (r / cos(b));
	end
	tmp_2 = tmp;
end
code[r_, a_, b_] := If[Or[LessEqual[a, -0.88], N[Not[LessEqual[a, 26000000.0]], $MachinePrecision]], N[(N[Sin[b], $MachinePrecision] * N[(r / N[Cos[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[Sin[b], $MachinePrecision] * N[(r / N[Cos[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;a \leq -0.88 \lor \neg \left(a \leq 26000000\right):\\
\;\;\;\;\sin b \cdot \frac{r}{\cos a}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if a < -0.880000000000000004 or 2.6e7 < a

    1. Initial program 58.5%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. /-rgt-identity58.5%

        \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\frac{\cos \left(a + b\right)}{1}}} \]
      2. metadata-eval58.5%

        \[\leadsto \frac{r \cdot \sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{--1}}} \]
      3. associate-*l/58.5%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{--1}} \cdot \sin b} \]
      4. metadata-eval58.5%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot \sin b \]
      5. /-rgt-identity58.5%

        \[\leadsto \frac{r}{\color{blue}{\cos \left(a + b\right)}} \cdot \sin b \]
      6. +-commutative58.5%

        \[\leadsto \frac{r}{\cos \color{blue}{\left(b + a\right)}} \cdot \sin b \]
    3. Simplified58.5%

      \[\leadsto \color{blue}{\frac{r}{\cos \left(b + a\right)} \cdot \sin b} \]
    4. Taylor expanded in b around 0 58.5%

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

    if -0.880000000000000004 < a < 2.6e7

    1. Initial program 97.0%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. /-rgt-identity97.0%

        \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\frac{\cos \left(a + b\right)}{1}}} \]
      2. metadata-eval97.0%

        \[\leadsto \frac{r \cdot \sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{--1}}} \]
      3. associate-*l/97.0%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{--1}} \cdot \sin b} \]
      4. metadata-eval97.0%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot \sin b \]
      5. /-rgt-identity97.0%

        \[\leadsto \frac{r}{\color{blue}{\cos \left(a + b\right)}} \cdot \sin b \]
      6. +-commutative97.0%

        \[\leadsto \frac{r}{\cos \color{blue}{\left(b + a\right)}} \cdot \sin b \]
    3. Simplified97.0%

      \[\leadsto \color{blue}{\frac{r}{\cos \left(b + a\right)} \cdot \sin b} \]
    4. Taylor expanded in a around 0 96.8%

      \[\leadsto \frac{r}{\color{blue}{\cos b}} \cdot \sin b \]
  3. Recombined 2 regimes into one program.
  4. Final simplification77.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;a \leq -0.88 \lor \neg \left(a \leq 26000000\right):\\ \;\;\;\;\sin b \cdot \frac{r}{\cos a}\\ \mathbf{else}:\\ \;\;\;\;\sin b \cdot \frac{r}{\cos b}\\ \end{array} \]

Alternative 6: 75.6% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;a \leq -0.88 \lor \neg \left(a \leq 26000000\right):\\ \;\;\;\;\sin b \cdot \frac{r}{\cos a}\\ \mathbf{else}:\\ \;\;\;\;r \cdot \frac{\sin b}{\cos b}\\ \end{array} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (if (or (<= a -0.88) (not (<= a 26000000.0)))
   (* (sin b) (/ r (cos a)))
   (* r (/ (sin b) (cos b)))))
double code(double r, double a, double b) {
	double tmp;
	if ((a <= -0.88) || !(a <= 26000000.0)) {
		tmp = sin(b) * (r / 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 ((a <= (-0.88d0)) .or. (.not. (a <= 26000000.0d0))) then
        tmp = sin(b) * (r / 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 ((a <= -0.88) || !(a <= 26000000.0)) {
		tmp = Math.sin(b) * (r / Math.cos(a));
	} else {
		tmp = r * (Math.sin(b) / Math.cos(b));
	}
	return tmp;
}
def code(r, a, b):
	tmp = 0
	if (a <= -0.88) or not (a <= 26000000.0):
		tmp = math.sin(b) * (r / math.cos(a))
	else:
		tmp = r * (math.sin(b) / math.cos(b))
	return tmp
function code(r, a, b)
	tmp = 0.0
	if ((a <= -0.88) || !(a <= 26000000.0))
		tmp = Float64(sin(b) * Float64(r / cos(a)));
	else
		tmp = Float64(r * Float64(sin(b) / cos(b)));
	end
	return tmp
end
function tmp_2 = code(r, a, b)
	tmp = 0.0;
	if ((a <= -0.88) || ~((a <= 26000000.0)))
		tmp = sin(b) * (r / cos(a));
	else
		tmp = r * (sin(b) / cos(b));
	end
	tmp_2 = tmp;
end
code[r_, a_, b_] := If[Or[LessEqual[a, -0.88], N[Not[LessEqual[a, 26000000.0]], $MachinePrecision]], N[(N[Sin[b], $MachinePrecision] * N[(r / N[Cos[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(r * N[(N[Sin[b], $MachinePrecision] / N[Cos[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;a \leq -0.88 \lor \neg \left(a \leq 26000000\right):\\
\;\;\;\;\sin b \cdot \frac{r}{\cos a}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if a < -0.880000000000000004 or 2.6e7 < a

    1. Initial program 58.5%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. /-rgt-identity58.5%

        \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\frac{\cos \left(a + b\right)}{1}}} \]
      2. metadata-eval58.5%

        \[\leadsto \frac{r \cdot \sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{--1}}} \]
      3. associate-*l/58.5%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{--1}} \cdot \sin b} \]
      4. metadata-eval58.5%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot \sin b \]
      5. /-rgt-identity58.5%

        \[\leadsto \frac{r}{\color{blue}{\cos \left(a + b\right)}} \cdot \sin b \]
      6. +-commutative58.5%

        \[\leadsto \frac{r}{\cos \color{blue}{\left(b + a\right)}} \cdot \sin b \]
    3. Simplified58.5%

      \[\leadsto \color{blue}{\frac{r}{\cos \left(b + a\right)} \cdot \sin b} \]
    4. Taylor expanded in b around 0 58.5%

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

    if -0.880000000000000004 < a < 2.6e7

    1. Initial program 97.0%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. remove-double-neg97.0%

        \[\leadsto \color{blue}{-\left(-\frac{r \cdot \sin b}{\cos \left(a + b\right)}\right)} \]
      2. associate-/l*97.0%

        \[\leadsto -\left(-\color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}}\right) \]
      3. distribute-frac-neg97.0%

        \[\leadsto -\color{blue}{\frac{-r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
      4. associate-/r/97.0%

        \[\leadsto -\color{blue}{\frac{-r}{\cos \left(a + b\right)} \cdot \sin b} \]
      5. distribute-rgt-neg-in97.0%

        \[\leadsto \color{blue}{\frac{-r}{\cos \left(a + b\right)} \cdot \left(-\sin b\right)} \]
      6. sin-neg97.0%

        \[\leadsto \frac{-r}{\cos \left(a + b\right)} \cdot \color{blue}{\sin \left(-b\right)} \]
      7. neg-mul-197.0%

        \[\leadsto \frac{\color{blue}{-1 \cdot r}}{\cos \left(a + b\right)} \cdot \sin \left(-b\right) \]
      8. *-commutative97.0%

        \[\leadsto \frac{\color{blue}{r \cdot -1}}{\cos \left(a + b\right)} \cdot \sin \left(-b\right) \]
      9. associate-/l*97.0%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{-1}}} \cdot \sin \left(-b\right) \]
      10. associate-/r/97.0%

        \[\leadsto \color{blue}{\frac{r}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
      11. associate-/l/97.0%

        \[\leadsto \frac{r}{\color{blue}{\frac{\cos \left(a + b\right)}{\sin \left(-b\right) \cdot -1}}} \]
      12. sin-neg97.0%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{\left(-\sin b\right)} \cdot -1}} \]
      13. distribute-lft-neg-in97.0%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\sin b \cdot -1}}} \]
      14. distribute-rgt-neg-in97.0%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{\sin b \cdot \left(--1\right)}}} \]
      15. associate-/l/97.0%

        \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{--1}}{\sin b}}} \]
      16. metadata-eval97.0%

        \[\leadsto \frac{r}{\frac{\frac{\cos \left(a + b\right)}{\color{blue}{1}}}{\sin b}} \]
      17. /-rgt-identity97.0%

        \[\leadsto \frac{r}{\frac{\color{blue}{\cos \left(a + b\right)}}{\sin b}} \]
      18. +-commutative97.0%

        \[\leadsto \frac{r}{\frac{\cos \color{blue}{\left(b + a\right)}}{\sin b}} \]
    3. Simplified97.0%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(b + a\right)}{\sin b}}} \]
    4. Taylor expanded in a around 0 96.8%

      \[\leadsto \frac{r}{\frac{\color{blue}{\cos b}}{\sin b}} \]
    5. Step-by-step derivation
      1. div-inv96.8%

        \[\leadsto \color{blue}{r \cdot \frac{1}{\frac{\cos b}{\sin b}}} \]
      2. *-commutative96.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{\cos b}{\sin b}} \cdot r} \]
      3. clear-num96.9%

        \[\leadsto \color{blue}{\frac{\sin b}{\cos b}} \cdot r \]
    6. Applied egg-rr96.9%

      \[\leadsto \color{blue}{\frac{\sin b}{\cos b} \cdot r} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification77.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;a \leq -0.88 \lor \neg \left(a \leq 26000000\right):\\ \;\;\;\;\sin b \cdot \frac{r}{\cos a}\\ \mathbf{else}:\\ \;\;\;\;r \cdot \frac{\sin b}{\cos b}\\ \end{array} \]

Alternative 7: 75.6% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;a \leq -0.88 \lor \neg \left(a \leq 26000000\right):\\ \;\;\;\;\frac{r}{\frac{\cos a}{\sin b}}\\ \mathbf{else}:\\ \;\;\;\;r \cdot \frac{\sin b}{\cos b}\\ \end{array} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (if (or (<= a -0.88) (not (<= a 26000000.0)))
   (/ r (/ (cos a) (sin b)))
   (* r (/ (sin b) (cos b)))))
double code(double r, double a, double b) {
	double tmp;
	if ((a <= -0.88) || !(a <= 26000000.0)) {
		tmp = r / (cos(a) / sin(b));
	} 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 ((a <= (-0.88d0)) .or. (.not. (a <= 26000000.0d0))) then
        tmp = r / (cos(a) / sin(b))
    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 ((a <= -0.88) || !(a <= 26000000.0)) {
		tmp = r / (Math.cos(a) / Math.sin(b));
	} else {
		tmp = r * (Math.sin(b) / Math.cos(b));
	}
	return tmp;
}
def code(r, a, b):
	tmp = 0
	if (a <= -0.88) or not (a <= 26000000.0):
		tmp = r / (math.cos(a) / math.sin(b))
	else:
		tmp = r * (math.sin(b) / math.cos(b))
	return tmp
function code(r, a, b)
	tmp = 0.0
	if ((a <= -0.88) || !(a <= 26000000.0))
		tmp = Float64(r / Float64(cos(a) / sin(b)));
	else
		tmp = Float64(r * Float64(sin(b) / cos(b)));
	end
	return tmp
end
function tmp_2 = code(r, a, b)
	tmp = 0.0;
	if ((a <= -0.88) || ~((a <= 26000000.0)))
		tmp = r / (cos(a) / sin(b));
	else
		tmp = r * (sin(b) / cos(b));
	end
	tmp_2 = tmp;
end
code[r_, a_, b_] := If[Or[LessEqual[a, -0.88], N[Not[LessEqual[a, 26000000.0]], $MachinePrecision]], N[(r / N[(N[Cos[a], $MachinePrecision] / N[Sin[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(r * N[(N[Sin[b], $MachinePrecision] / N[Cos[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;a \leq -0.88 \lor \neg \left(a \leq 26000000\right):\\
\;\;\;\;\frac{r}{\frac{\cos a}{\sin b}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if a < -0.880000000000000004 or 2.6e7 < a

    1. Initial program 58.5%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. remove-double-neg58.5%

        \[\leadsto \color{blue}{-\left(-\frac{r \cdot \sin b}{\cos \left(a + b\right)}\right)} \]
      2. associate-/l*58.6%

        \[\leadsto -\left(-\color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}}\right) \]
      3. distribute-frac-neg58.6%

        \[\leadsto -\color{blue}{\frac{-r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
      4. associate-/r/58.5%

        \[\leadsto -\color{blue}{\frac{-r}{\cos \left(a + b\right)} \cdot \sin b} \]
      5. distribute-rgt-neg-in58.5%

        \[\leadsto \color{blue}{\frac{-r}{\cos \left(a + b\right)} \cdot \left(-\sin b\right)} \]
      6. sin-neg58.5%

        \[\leadsto \frac{-r}{\cos \left(a + b\right)} \cdot \color{blue}{\sin \left(-b\right)} \]
      7. neg-mul-158.5%

        \[\leadsto \frac{\color{blue}{-1 \cdot r}}{\cos \left(a + b\right)} \cdot \sin \left(-b\right) \]
      8. *-commutative58.5%

        \[\leadsto \frac{\color{blue}{r \cdot -1}}{\cos \left(a + b\right)} \cdot \sin \left(-b\right) \]
      9. associate-/l*58.5%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{-1}}} \cdot \sin \left(-b\right) \]
      10. associate-/r/58.6%

        \[\leadsto \color{blue}{\frac{r}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
      11. associate-/l/58.6%

        \[\leadsto \frac{r}{\color{blue}{\frac{\cos \left(a + b\right)}{\sin \left(-b\right) \cdot -1}}} \]
      12. sin-neg58.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{\left(-\sin b\right)} \cdot -1}} \]
      13. distribute-lft-neg-in58.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\sin b \cdot -1}}} \]
      14. distribute-rgt-neg-in58.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{\sin b \cdot \left(--1\right)}}} \]
      15. associate-/l/58.6%

        \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{--1}}{\sin b}}} \]
      16. metadata-eval58.6%

        \[\leadsto \frac{r}{\frac{\frac{\cos \left(a + b\right)}{\color{blue}{1}}}{\sin b}} \]
      17. /-rgt-identity58.6%

        \[\leadsto \frac{r}{\frac{\color{blue}{\cos \left(a + b\right)}}{\sin b}} \]
      18. +-commutative58.6%

        \[\leadsto \frac{r}{\frac{\cos \color{blue}{\left(b + a\right)}}{\sin b}} \]
    3. Simplified58.6%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(b + a\right)}{\sin b}}} \]
    4. Taylor expanded in b around 0 58.5%

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

    if -0.880000000000000004 < a < 2.6e7

    1. Initial program 97.0%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. remove-double-neg97.0%

        \[\leadsto \color{blue}{-\left(-\frac{r \cdot \sin b}{\cos \left(a + b\right)}\right)} \]
      2. associate-/l*97.0%

        \[\leadsto -\left(-\color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}}\right) \]
      3. distribute-frac-neg97.0%

        \[\leadsto -\color{blue}{\frac{-r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
      4. associate-/r/97.0%

        \[\leadsto -\color{blue}{\frac{-r}{\cos \left(a + b\right)} \cdot \sin b} \]
      5. distribute-rgt-neg-in97.0%

        \[\leadsto \color{blue}{\frac{-r}{\cos \left(a + b\right)} \cdot \left(-\sin b\right)} \]
      6. sin-neg97.0%

        \[\leadsto \frac{-r}{\cos \left(a + b\right)} \cdot \color{blue}{\sin \left(-b\right)} \]
      7. neg-mul-197.0%

        \[\leadsto \frac{\color{blue}{-1 \cdot r}}{\cos \left(a + b\right)} \cdot \sin \left(-b\right) \]
      8. *-commutative97.0%

        \[\leadsto \frac{\color{blue}{r \cdot -1}}{\cos \left(a + b\right)} \cdot \sin \left(-b\right) \]
      9. associate-/l*97.0%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{-1}}} \cdot \sin \left(-b\right) \]
      10. associate-/r/97.0%

        \[\leadsto \color{blue}{\frac{r}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
      11. associate-/l/97.0%

        \[\leadsto \frac{r}{\color{blue}{\frac{\cos \left(a + b\right)}{\sin \left(-b\right) \cdot -1}}} \]
      12. sin-neg97.0%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{\left(-\sin b\right)} \cdot -1}} \]
      13. distribute-lft-neg-in97.0%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\sin b \cdot -1}}} \]
      14. distribute-rgt-neg-in97.0%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{\sin b \cdot \left(--1\right)}}} \]
      15. associate-/l/97.0%

        \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{--1}}{\sin b}}} \]
      16. metadata-eval97.0%

        \[\leadsto \frac{r}{\frac{\frac{\cos \left(a + b\right)}{\color{blue}{1}}}{\sin b}} \]
      17. /-rgt-identity97.0%

        \[\leadsto \frac{r}{\frac{\color{blue}{\cos \left(a + b\right)}}{\sin b}} \]
      18. +-commutative97.0%

        \[\leadsto \frac{r}{\frac{\cos \color{blue}{\left(b + a\right)}}{\sin b}} \]
    3. Simplified97.0%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(b + a\right)}{\sin b}}} \]
    4. Taylor expanded in a around 0 96.8%

      \[\leadsto \frac{r}{\frac{\color{blue}{\cos b}}{\sin b}} \]
    5. Step-by-step derivation
      1. div-inv96.8%

        \[\leadsto \color{blue}{r \cdot \frac{1}{\frac{\cos b}{\sin b}}} \]
      2. *-commutative96.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{\cos b}{\sin b}} \cdot r} \]
      3. clear-num96.9%

        \[\leadsto \color{blue}{\frac{\sin b}{\cos b}} \cdot r \]
    6. Applied egg-rr96.9%

      \[\leadsto \color{blue}{\frac{\sin b}{\cos b} \cdot r} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification77.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;a \leq -0.88 \lor \neg \left(a \leq 26000000\right):\\ \;\;\;\;\frac{r}{\frac{\cos a}{\sin b}}\\ \mathbf{else}:\\ \;\;\;\;r \cdot \frac{\sin b}{\cos b}\\ \end{array} \]

Alternative 8: 76.0% accurate, 1.0× speedup?

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

\\
\sin b \cdot \frac{r}{\cos \left(a + b\right)}
\end{array}
Derivation
  1. Initial program 77.8%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. /-rgt-identity77.8%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\frac{\cos \left(a + b\right)}{1}}} \]
    2. metadata-eval77.8%

      \[\leadsto \frac{r \cdot \sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{--1}}} \]
    3. associate-*l/77.8%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{--1}} \cdot \sin b} \]
    4. metadata-eval77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot \sin b \]
    5. /-rgt-identity77.8%

      \[\leadsto \frac{r}{\color{blue}{\cos \left(a + b\right)}} \cdot \sin b \]
    6. +-commutative77.8%

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

    \[\leadsto \color{blue}{\frac{r}{\cos \left(b + a\right)} \cdot \sin b} \]
  4. Final simplification77.8%

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

Alternative 9: 76.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ r \cdot \frac{\sin b}{\cos \left(a + b\right)} \end{array} \]
(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(r * Float64(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[(r * N[(N[Sin[b], $MachinePrecision] / N[Cos[N[(a + b), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
r \cdot \frac{\sin b}{\cos \left(a + b\right)}
\end{array}
Derivation
  1. Initial program 77.8%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. remove-double-neg77.8%

      \[\leadsto \color{blue}{-\left(-\frac{r \cdot \sin b}{\cos \left(a + b\right)}\right)} \]
    2. associate-/l*77.8%

      \[\leadsto -\left(-\color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}}\right) \]
    3. distribute-frac-neg77.8%

      \[\leadsto -\color{blue}{\frac{-r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
    4. associate-/r/77.8%

      \[\leadsto -\color{blue}{\frac{-r}{\cos \left(a + b\right)} \cdot \sin b} \]
    5. distribute-rgt-neg-in77.8%

      \[\leadsto \color{blue}{\frac{-r}{\cos \left(a + b\right)} \cdot \left(-\sin b\right)} \]
    6. sin-neg77.8%

      \[\leadsto \frac{-r}{\cos \left(a + b\right)} \cdot \color{blue}{\sin \left(-b\right)} \]
    7. neg-mul-177.8%

      \[\leadsto \frac{\color{blue}{-1 \cdot r}}{\cos \left(a + b\right)} \cdot \sin \left(-b\right) \]
    8. *-commutative77.8%

      \[\leadsto \frac{\color{blue}{r \cdot -1}}{\cos \left(a + b\right)} \cdot \sin \left(-b\right) \]
    9. associate-/l*77.8%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{-1}}} \cdot \sin \left(-b\right) \]
    10. associate-/r/77.8%

      \[\leadsto \color{blue}{\frac{r}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
    11. associate-/l/77.8%

      \[\leadsto \frac{r}{\color{blue}{\frac{\cos \left(a + b\right)}{\sin \left(-b\right) \cdot -1}}} \]
    12. sin-neg77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{\left(-\sin b\right)} \cdot -1}} \]
    13. distribute-lft-neg-in77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\sin b \cdot -1}}} \]
    14. distribute-rgt-neg-in77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{\sin b \cdot \left(--1\right)}}} \]
    15. associate-/l/77.8%

      \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{--1}}{\sin b}}} \]
    16. metadata-eval77.8%

      \[\leadsto \frac{r}{\frac{\frac{\cos \left(a + b\right)}{\color{blue}{1}}}{\sin b}} \]
    17. /-rgt-identity77.8%

      \[\leadsto \frac{r}{\frac{\color{blue}{\cos \left(a + b\right)}}{\sin b}} \]
    18. +-commutative77.8%

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

    \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(b + a\right)}{\sin b}}} \]
  4. Step-by-step derivation
    1. div-inv77.7%

      \[\leadsto \color{blue}{r \cdot \frac{1}{\frac{\cos \left(b + a\right)}{\sin b}}} \]
    2. *-commutative77.7%

      \[\leadsto \color{blue}{\frac{1}{\frac{\cos \left(b + a\right)}{\sin b}} \cdot r} \]
    3. clear-num77.8%

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

    \[\leadsto \color{blue}{\frac{\sin b}{\cos \left(b + a\right)} \cdot r} \]
  6. Final simplification77.8%

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

Alternative 10: 54.9% accurate, 1.0× speedup?

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

\\
\sin b \cdot \frac{r}{\cos a}
\end{array}
Derivation
  1. Initial program 77.8%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. /-rgt-identity77.8%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\frac{\cos \left(a + b\right)}{1}}} \]
    2. metadata-eval77.8%

      \[\leadsto \frac{r \cdot \sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{--1}}} \]
    3. associate-*l/77.8%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{--1}} \cdot \sin b} \]
    4. metadata-eval77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot \sin b \]
    5. /-rgt-identity77.8%

      \[\leadsto \frac{r}{\color{blue}{\cos \left(a + b\right)}} \cdot \sin b \]
    6. +-commutative77.8%

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

    \[\leadsto \color{blue}{\frac{r}{\cos \left(b + a\right)} \cdot \sin b} \]
  4. Taylor expanded in b around 0 55.1%

    \[\leadsto \frac{r}{\color{blue}{\cos a}} \cdot \sin b \]
  5. Final simplification55.1%

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

Alternative 11: 55.0% accurate, 1.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq -32000000 \lor \neg \left(b \leq 4000000000\right):\\ \;\;\;\;r \cdot \sin b\\ \mathbf{else}:\\ \;\;\;\;b \cdot \frac{r}{\cos \left(a + b\right)}\\ \end{array} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (if (or (<= b -32000000.0) (not (<= b 4000000000.0)))
   (* r (sin b))
   (* b (/ r (cos (+ a b))))))
double code(double r, double a, double b) {
	double tmp;
	if ((b <= -32000000.0) || !(b <= 4000000000.0)) {
		tmp = r * sin(b);
	} else {
		tmp = b * (r / cos((a + 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 <= (-32000000.0d0)) .or. (.not. (b <= 4000000000.0d0))) then
        tmp = r * sin(b)
    else
        tmp = b * (r / cos((a + b)))
    end if
    code = tmp
end function
public static double code(double r, double a, double b) {
	double tmp;
	if ((b <= -32000000.0) || !(b <= 4000000000.0)) {
		tmp = r * Math.sin(b);
	} else {
		tmp = b * (r / Math.cos((a + b)));
	}
	return tmp;
}
def code(r, a, b):
	tmp = 0
	if (b <= -32000000.0) or not (b <= 4000000000.0):
		tmp = r * math.sin(b)
	else:
		tmp = b * (r / math.cos((a + b)))
	return tmp
function code(r, a, b)
	tmp = 0.0
	if ((b <= -32000000.0) || !(b <= 4000000000.0))
		tmp = Float64(r * sin(b));
	else
		tmp = Float64(b * Float64(r / cos(Float64(a + b))));
	end
	return tmp
end
function tmp_2 = code(r, a, b)
	tmp = 0.0;
	if ((b <= -32000000.0) || ~((b <= 4000000000.0)))
		tmp = r * sin(b);
	else
		tmp = b * (r / cos((a + b)));
	end
	tmp_2 = tmp;
end
code[r_, a_, b_] := If[Or[LessEqual[b, -32000000.0], N[Not[LessEqual[b, 4000000000.0]], $MachinePrecision]], N[(r * N[Sin[b], $MachinePrecision]), $MachinePrecision], N[(b * N[(r / N[Cos[N[(a + b), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq -32000000 \lor \neg \left(b \leq 4000000000\right):\\
\;\;\;\;r \cdot \sin b\\

\mathbf{else}:\\
\;\;\;\;b \cdot \frac{r}{\cos \left(a + b\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if b < -3.2e7 or 4e9 < b

    1. Initial program 55.7%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. /-rgt-identity55.7%

        \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\frac{\cos \left(a + b\right)}{1}}} \]
      2. metadata-eval55.7%

        \[\leadsto \frac{r \cdot \sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{--1}}} \]
      3. associate-*l/55.7%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{--1}} \cdot \sin b} \]
      4. metadata-eval55.7%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot \sin b \]
      5. /-rgt-identity55.7%

        \[\leadsto \frac{r}{\color{blue}{\cos \left(a + b\right)}} \cdot \sin b \]
      6. +-commutative55.7%

        \[\leadsto \frac{r}{\cos \color{blue}{\left(b + a\right)}} \cdot \sin b \]
    3. Simplified55.7%

      \[\leadsto \color{blue}{\frac{r}{\cos \left(b + a\right)} \cdot \sin b} \]
    4. Step-by-step derivation
      1. *-commutative55.7%

        \[\leadsto \color{blue}{\sin b \cdot \frac{r}{\cos \left(b + a\right)}} \]
      2. associate-*r/55.7%

        \[\leadsto \color{blue}{\frac{\sin b \cdot r}{\cos \left(b + a\right)}} \]
      3. associate-/l*55.7%

        \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(b + a\right)}{r}}} \]
    5. Applied egg-rr55.7%

      \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(b + a\right)}{r}}} \]
    6. Taylor expanded in b around 0 5.5%

      \[\leadsto \frac{\sin b}{\frac{\color{blue}{\cos a + -1 \cdot \left(b \cdot \sin a\right)}}{r}} \]
    7. Step-by-step derivation
      1. associate-*r*5.5%

        \[\leadsto \frac{\sin b}{\frac{\cos a + \color{blue}{\left(-1 \cdot b\right) \cdot \sin a}}{r}} \]
      2. mul-1-neg5.5%

        \[\leadsto \frac{\sin b}{\frac{\cos a + \color{blue}{\left(-b\right)} \cdot \sin a}{r}} \]
    8. Simplified5.5%

      \[\leadsto \frac{\sin b}{\frac{\color{blue}{\cos a + \left(-b\right) \cdot \sin a}}{r}} \]
    9. Taylor expanded in a around 0 11.5%

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

    if -3.2e7 < b < 4e9

    1. Initial program 97.5%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. /-rgt-identity97.5%

        \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\frac{\cos \left(a + b\right)}{1}}} \]
      2. metadata-eval97.5%

        \[\leadsto \frac{r \cdot \sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{--1}}} \]
      3. associate-*l/97.6%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{--1}} \cdot \sin b} \]
      4. metadata-eval97.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot \sin b \]
      5. /-rgt-identity97.6%

        \[\leadsto \frac{r}{\color{blue}{\cos \left(a + b\right)}} \cdot \sin b \]
      6. +-commutative97.6%

        \[\leadsto \frac{r}{\cos \color{blue}{\left(b + a\right)}} \cdot \sin b \]
    3. Simplified97.6%

      \[\leadsto \color{blue}{\frac{r}{\cos \left(b + a\right)} \cdot \sin b} \]
    4. Taylor expanded in b around 0 95.0%

      \[\leadsto \frac{r}{\cos \left(b + a\right)} \cdot \color{blue}{b} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification55.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq -32000000 \lor \neg \left(b \leq 4000000000\right):\\ \;\;\;\;r \cdot \sin b\\ \mathbf{else}:\\ \;\;\;\;b \cdot \frac{r}{\cos \left(a + b\right)}\\ \end{array} \]

Alternative 12: 55.0% accurate, 1.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq -1.5 \lor \neg \left(b \leq 1550000000\right):\\ \;\;\;\;r \cdot \sin b\\ \mathbf{else}:\\ \;\;\;\;r \cdot \frac{b}{\cos a}\\ \end{array} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (if (or (<= b -1.5) (not (<= b 1550000000.0)))
   (* r (sin b))
   (* r (/ b (cos a)))))
double code(double r, double a, double b) {
	double tmp;
	if ((b <= -1.5) || !(b <= 1550000000.0)) {
		tmp = r * sin(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 <= (-1.5d0)) .or. (.not. (b <= 1550000000.0d0))) then
        tmp = r * sin(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 <= -1.5) || !(b <= 1550000000.0)) {
		tmp = r * Math.sin(b);
	} else {
		tmp = r * (b / Math.cos(a));
	}
	return tmp;
}
def code(r, a, b):
	tmp = 0
	if (b <= -1.5) or not (b <= 1550000000.0):
		tmp = r * math.sin(b)
	else:
		tmp = r * (b / math.cos(a))
	return tmp
function code(r, a, b)
	tmp = 0.0
	if ((b <= -1.5) || !(b <= 1550000000.0))
		tmp = Float64(r * sin(b));
	else
		tmp = Float64(r * Float64(b / cos(a)));
	end
	return tmp
end
function tmp_2 = code(r, a, b)
	tmp = 0.0;
	if ((b <= -1.5) || ~((b <= 1550000000.0)))
		tmp = r * sin(b);
	else
		tmp = r * (b / cos(a));
	end
	tmp_2 = tmp;
end
code[r_, a_, b_] := If[Or[LessEqual[b, -1.5], N[Not[LessEqual[b, 1550000000.0]], $MachinePrecision]], N[(r * N[Sin[b], $MachinePrecision]), $MachinePrecision], N[(r * N[(b / N[Cos[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq -1.5 \lor \neg \left(b \leq 1550000000\right):\\
\;\;\;\;r \cdot \sin b\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if b < -1.5 or 1.55e9 < b

    1. Initial program 56.1%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. /-rgt-identity56.1%

        \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\frac{\cos \left(a + b\right)}{1}}} \]
      2. metadata-eval56.1%

        \[\leadsto \frac{r \cdot \sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{--1}}} \]
      3. associate-*l/56.0%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{--1}} \cdot \sin b} \]
      4. metadata-eval56.0%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot \sin b \]
      5. /-rgt-identity56.0%

        \[\leadsto \frac{r}{\color{blue}{\cos \left(a + b\right)}} \cdot \sin b \]
      6. +-commutative56.0%

        \[\leadsto \frac{r}{\cos \color{blue}{\left(b + a\right)}} \cdot \sin b \]
    3. Simplified56.0%

      \[\leadsto \color{blue}{\frac{r}{\cos \left(b + a\right)} \cdot \sin b} \]
    4. Step-by-step derivation
      1. *-commutative56.0%

        \[\leadsto \color{blue}{\sin b \cdot \frac{r}{\cos \left(b + a\right)}} \]
      2. associate-*r/56.1%

        \[\leadsto \color{blue}{\frac{\sin b \cdot r}{\cos \left(b + a\right)}} \]
      3. associate-/l*56.0%

        \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(b + a\right)}{r}}} \]
    5. Applied egg-rr56.0%

      \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(b + a\right)}{r}}} \]
    6. Taylor expanded in b around 0 5.4%

      \[\leadsto \frac{\sin b}{\frac{\color{blue}{\cos a + -1 \cdot \left(b \cdot \sin a\right)}}{r}} \]
    7. Step-by-step derivation
      1. associate-*r*5.4%

        \[\leadsto \frac{\sin b}{\frac{\cos a + \color{blue}{\left(-1 \cdot b\right) \cdot \sin a}}{r}} \]
      2. mul-1-neg5.4%

        \[\leadsto \frac{\sin b}{\frac{\cos a + \color{blue}{\left(-b\right)} \cdot \sin a}{r}} \]
    8. Simplified5.4%

      \[\leadsto \frac{\sin b}{\frac{\color{blue}{\cos a + \left(-b\right) \cdot \sin a}}{r}} \]
    9. Taylor expanded in a around 0 11.5%

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

    if -1.5 < b < 1.55e9

    1. Initial program 97.5%

      \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
    2. Step-by-step derivation
      1. /-rgt-identity97.5%

        \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\frac{\cos \left(a + b\right)}{1}}} \]
      2. metadata-eval97.5%

        \[\leadsto \frac{r \cdot \sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{--1}}} \]
      3. associate-*l/97.6%

        \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{--1}} \cdot \sin b} \]
      4. metadata-eval97.6%

        \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot \sin b \]
      5. /-rgt-identity97.6%

        \[\leadsto \frac{r}{\color{blue}{\cos \left(a + b\right)}} \cdot \sin b \]
      6. +-commutative97.6%

        \[\leadsto \frac{r}{\cos \color{blue}{\left(b + a\right)}} \cdot \sin b \]
    3. Simplified97.6%

      \[\leadsto \color{blue}{\frac{r}{\cos \left(b + a\right)} \cdot \sin b} \]
    4. Taylor expanded in b around 0 95.5%

      \[\leadsto \color{blue}{\frac{b \cdot r}{\cos a}} \]
    5. Step-by-step derivation
      1. associate-/l*95.4%

        \[\leadsto \color{blue}{\frac{b}{\frac{\cos a}{r}}} \]
    6. Simplified95.4%

      \[\leadsto \color{blue}{\frac{b}{\frac{\cos a}{r}}} \]
    7. Step-by-step derivation
      1. associate-/r/95.5%

        \[\leadsto \color{blue}{\frac{b}{\cos a} \cdot r} \]
    8. Applied egg-rr95.5%

      \[\leadsto \color{blue}{\frac{b}{\cos a} \cdot r} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification55.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq -1.5 \lor \neg \left(b \leq 1550000000\right):\\ \;\;\;\;r \cdot \sin b\\ \mathbf{else}:\\ \;\;\;\;r \cdot \frac{b}{\cos a}\\ \end{array} \]

Alternative 13: 39.0% accurate, 2.0× speedup?

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

\\
r \cdot \sin b
\end{array}
Derivation
  1. Initial program 77.8%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. /-rgt-identity77.8%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\frac{\cos \left(a + b\right)}{1}}} \]
    2. metadata-eval77.8%

      \[\leadsto \frac{r \cdot \sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{--1}}} \]
    3. associate-*l/77.8%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{--1}} \cdot \sin b} \]
    4. metadata-eval77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot \sin b \]
    5. /-rgt-identity77.8%

      \[\leadsto \frac{r}{\color{blue}{\cos \left(a + b\right)}} \cdot \sin b \]
    6. +-commutative77.8%

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

    \[\leadsto \color{blue}{\frac{r}{\cos \left(b + a\right)} \cdot \sin b} \]
  4. Step-by-step derivation
    1. *-commutative77.8%

      \[\leadsto \color{blue}{\sin b \cdot \frac{r}{\cos \left(b + a\right)}} \]
    2. associate-*r/77.8%

      \[\leadsto \color{blue}{\frac{\sin b \cdot r}{\cos \left(b + a\right)}} \]
    3. associate-/l*77.7%

      \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(b + a\right)}{r}}} \]
  5. Applied egg-rr77.7%

    \[\leadsto \color{blue}{\frac{\sin b}{\frac{\cos \left(b + a\right)}{r}}} \]
  6. Taylor expanded in b around 0 52.8%

    \[\leadsto \frac{\sin b}{\frac{\color{blue}{\cos a + -1 \cdot \left(b \cdot \sin a\right)}}{r}} \]
  7. Step-by-step derivation
    1. associate-*r*52.8%

      \[\leadsto \frac{\sin b}{\frac{\cos a + \color{blue}{\left(-1 \cdot b\right) \cdot \sin a}}{r}} \]
    2. mul-1-neg52.8%

      \[\leadsto \frac{\sin b}{\frac{\cos a + \color{blue}{\left(-b\right)} \cdot \sin a}{r}} \]
  8. Simplified52.8%

    \[\leadsto \frac{\sin b}{\frac{\color{blue}{\cos a + \left(-b\right) \cdot \sin a}}{r}} \]
  9. Taylor expanded in a around 0 36.4%

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

    \[\leadsto r \cdot \sin b \]

Alternative 14: 35.3% accurate, 23.0× speedup?

\[\begin{array}{l} \\ \frac{r}{b \cdot -0.3333333333333333 + \frac{1}{b}} \end{array} \]
(FPCore (r a b)
 :precision binary64
 (/ r (+ (* b -0.3333333333333333) (/ 1.0 b))))
double code(double r, double a, double b) {
	return r / ((b * -0.3333333333333333) + (1.0 / 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 * (-0.3333333333333333d0)) + (1.0d0 / b))
end function
public static double code(double r, double a, double b) {
	return r / ((b * -0.3333333333333333) + (1.0 / b));
}
def code(r, a, b):
	return r / ((b * -0.3333333333333333) + (1.0 / b))
function code(r, a, b)
	return Float64(r / Float64(Float64(b * -0.3333333333333333) + Float64(1.0 / b)))
end
function tmp = code(r, a, b)
	tmp = r / ((b * -0.3333333333333333) + (1.0 / b));
end
code[r_, a_, b_] := N[(r / N[(N[(b * -0.3333333333333333), $MachinePrecision] + N[(1.0 / b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{r}{b \cdot -0.3333333333333333 + \frac{1}{b}}
\end{array}
Derivation
  1. Initial program 77.8%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. remove-double-neg77.8%

      \[\leadsto \color{blue}{-\left(-\frac{r \cdot \sin b}{\cos \left(a + b\right)}\right)} \]
    2. associate-/l*77.8%

      \[\leadsto -\left(-\color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{\sin b}}}\right) \]
    3. distribute-frac-neg77.8%

      \[\leadsto -\color{blue}{\frac{-r}{\frac{\cos \left(a + b\right)}{\sin b}}} \]
    4. associate-/r/77.8%

      \[\leadsto -\color{blue}{\frac{-r}{\cos \left(a + b\right)} \cdot \sin b} \]
    5. distribute-rgt-neg-in77.8%

      \[\leadsto \color{blue}{\frac{-r}{\cos \left(a + b\right)} \cdot \left(-\sin b\right)} \]
    6. sin-neg77.8%

      \[\leadsto \frac{-r}{\cos \left(a + b\right)} \cdot \color{blue}{\sin \left(-b\right)} \]
    7. neg-mul-177.8%

      \[\leadsto \frac{\color{blue}{-1 \cdot r}}{\cos \left(a + b\right)} \cdot \sin \left(-b\right) \]
    8. *-commutative77.8%

      \[\leadsto \frac{\color{blue}{r \cdot -1}}{\cos \left(a + b\right)} \cdot \sin \left(-b\right) \]
    9. associate-/l*77.8%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{-1}}} \cdot \sin \left(-b\right) \]
    10. associate-/r/77.8%

      \[\leadsto \color{blue}{\frac{r}{\frac{\frac{\cos \left(a + b\right)}{-1}}{\sin \left(-b\right)}}} \]
    11. associate-/l/77.8%

      \[\leadsto \frac{r}{\color{blue}{\frac{\cos \left(a + b\right)}{\sin \left(-b\right) \cdot -1}}} \]
    12. sin-neg77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{\left(-\sin b\right)} \cdot -1}} \]
    13. distribute-lft-neg-in77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{-\sin b \cdot -1}}} \]
    14. distribute-rgt-neg-in77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{\sin b \cdot \left(--1\right)}}} \]
    15. associate-/l/77.8%

      \[\leadsto \frac{r}{\color{blue}{\frac{\frac{\cos \left(a + b\right)}{--1}}{\sin b}}} \]
    16. metadata-eval77.8%

      \[\leadsto \frac{r}{\frac{\frac{\cos \left(a + b\right)}{\color{blue}{1}}}{\sin b}} \]
    17. /-rgt-identity77.8%

      \[\leadsto \frac{r}{\frac{\color{blue}{\cos \left(a + b\right)}}{\sin b}} \]
    18. +-commutative77.8%

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

    \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(b + a\right)}{\sin b}}} \]
  4. Taylor expanded in a around 0 58.7%

    \[\leadsto \frac{r}{\frac{\color{blue}{\cos b}}{\sin b}} \]
  5. Taylor expanded in b around 0 33.5%

    \[\leadsto \frac{r}{\color{blue}{-0.3333333333333333 \cdot b + \frac{1}{b}}} \]
  6. Final simplification33.5%

    \[\leadsto \frac{r}{b \cdot -0.3333333333333333 + \frac{1}{b}} \]

Alternative 15: 34.7% 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 77.8%

    \[\frac{r \cdot \sin b}{\cos \left(a + b\right)} \]
  2. Step-by-step derivation
    1. /-rgt-identity77.8%

      \[\leadsto \frac{r \cdot \sin b}{\color{blue}{\frac{\cos \left(a + b\right)}{1}}} \]
    2. metadata-eval77.8%

      \[\leadsto \frac{r \cdot \sin b}{\frac{\cos \left(a + b\right)}{\color{blue}{--1}}} \]
    3. associate-*l/77.8%

      \[\leadsto \color{blue}{\frac{r}{\frac{\cos \left(a + b\right)}{--1}} \cdot \sin b} \]
    4. metadata-eval77.8%

      \[\leadsto \frac{r}{\frac{\cos \left(a + b\right)}{\color{blue}{1}}} \cdot \sin b \]
    5. /-rgt-identity77.8%

      \[\leadsto \frac{r}{\color{blue}{\cos \left(a + b\right)}} \cdot \sin b \]
    6. +-commutative77.8%

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

    \[\leadsto \color{blue}{\frac{r}{\cos \left(b + a\right)} \cdot \sin b} \]
  4. Taylor expanded in b around 0 51.6%

    \[\leadsto \color{blue}{\frac{b \cdot r}{\cos a}} \]
  5. Step-by-step derivation
    1. associate-/l*51.5%

      \[\leadsto \color{blue}{\frac{b}{\frac{\cos a}{r}}} \]
  6. Simplified51.5%

    \[\leadsto \color{blue}{\frac{b}{\frac{\cos a}{r}}} \]
  7. Taylor expanded in a around 0 32.5%

    \[\leadsto \color{blue}{b \cdot r} \]
  8. Step-by-step derivation
    1. *-commutative32.5%

      \[\leadsto \color{blue}{r \cdot b} \]
  9. Simplified32.5%

    \[\leadsto \color{blue}{r \cdot b} \]
  10. Final simplification32.5%

    \[\leadsto r \cdot b \]

Reproduce

?
herbie shell --seed 2023301 
(FPCore (r a b)
  :name "rsin A (should all be same)"
  :precision binary64
  (/ (* r (sin b)) (cos (+ a b))))