ab-angle->ABCF C

Percentage Accurate: 79.6% → 79.6%
Time: 4.9s
Alternatives: 11
Speedup: 2.0×

Specification

?
\[\begin{array}{l} \\ \begin{array}{l} t_0 := \mathsf{PI}\left(\right) \cdot \frac{angle}{180}\\ {\left(a \cdot \cos t\_0\right)}^{2} + {\left(b \cdot \sin t\_0\right)}^{2} \end{array} \end{array} \]
(FPCore (a b angle)
 :precision binary64
 (let* ((t_0 (* (PI) (/ angle 180.0))))
   (+ (pow (* a (cos t_0)) 2.0) (pow (* b (sin t_0)) 2.0))))
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \mathsf{PI}\left(\right) \cdot \frac{angle}{180}\\
{\left(a \cdot \cos t\_0\right)}^{2} + {\left(b \cdot \sin t\_0\right)}^{2}
\end{array}
\end{array}

Sampling outcomes in binary64 precision:

Local Percentage Accuracy vs ?

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

Accuracy vs Speed?

Herbie found 11 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: 79.6% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \mathsf{PI}\left(\right) \cdot \frac{angle}{180}\\ {\left(a \cdot \cos t\_0\right)}^{2} + {\left(b \cdot \sin t\_0\right)}^{2} \end{array} \end{array} \]
(FPCore (a b angle)
 :precision binary64
 (let* ((t_0 (* (PI) (/ angle 180.0))))
   (+ (pow (* a (cos t_0)) 2.0) (pow (* b (sin t_0)) 2.0))))
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \mathsf{PI}\left(\right) \cdot \frac{angle}{180}\\
{\left(a \cdot \cos t\_0\right)}^{2} + {\left(b \cdot \sin t\_0\right)}^{2}
\end{array}
\end{array}

Alternative 1: 79.6% accurate, 1.9× speedup?

\[\begin{array}{l} \\ a \cdot a + {\left(b \cdot \sin \left(\frac{angle \cdot \mathsf{PI}\left(\right)}{180}\right)\right)}^{2} \end{array} \]
(FPCore (a b angle)
 :precision binary64
 (+ (* a a) (pow (* b (sin (/ (* angle (PI)) 180.0))) 2.0)))
\begin{array}{l}

\\
a \cdot a + {\left(b \cdot \sin \left(\frac{angle \cdot \mathsf{PI}\left(\right)}{180}\right)\right)}^{2}
\end{array}
Derivation
  1. Initial program 80.1%

    \[{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
  2. Add Preprocessing
  3. Taylor expanded in angle around 0

    \[\leadsto \color{blue}{{a}^{2}} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
  4. Step-by-step derivation
    1. unpow2N/A

      \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
    2. lower-*.f6480.2

      \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
  5. Applied rewrites80.2%

    \[\leadsto \color{blue}{a \cdot a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
  6. Step-by-step derivation
    1. lift-PI.f64N/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \left(\color{blue}{\mathsf{PI}\left(\right)} \cdot \frac{angle}{180}\right)\right)}^{2} \]
    2. lift-*.f64N/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \color{blue}{\left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}\right)}^{2} \]
    3. lift-/.f64N/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \color{blue}{\frac{angle}{180}}\right)\right)}^{2} \]
    4. associate-*r/N/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \color{blue}{\left(\frac{\mathsf{PI}\left(\right) \cdot angle}{180}\right)}\right)}^{2} \]
    5. *-commutativeN/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \left(\frac{\color{blue}{angle \cdot \mathsf{PI}\left(\right)}}{180}\right)\right)}^{2} \]
    6. lower-/.f64N/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \color{blue}{\left(\frac{angle \cdot \mathsf{PI}\left(\right)}{180}\right)}\right)}^{2} \]
    7. lower-*.f64N/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \left(\frac{\color{blue}{angle \cdot \mathsf{PI}\left(\right)}}{180}\right)\right)}^{2} \]
    8. lift-PI.f6480.3

      \[\leadsto a \cdot a + {\left(b \cdot \sin \left(\frac{angle \cdot \color{blue}{\mathsf{PI}\left(\right)}}{180}\right)\right)}^{2} \]
  7. Applied rewrites80.3%

    \[\leadsto a \cdot a + {\left(b \cdot \sin \color{blue}{\left(\frac{angle \cdot \mathsf{PI}\left(\right)}{180}\right)}\right)}^{2} \]
  8. Add Preprocessing

Alternative 2: 79.6% accurate, 1.9× speedup?

\[\begin{array}{l} \\ a \cdot a + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \end{array} \]
(FPCore (a b angle)
 :precision binary64
 (+ (* a a) (pow (* b (sin (* (PI) (/ angle 180.0)))) 2.0)))
\begin{array}{l}

\\
a \cdot a + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2}
\end{array}
Derivation
  1. Initial program 80.1%

    \[{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
  2. Add Preprocessing
  3. Taylor expanded in angle around 0

    \[\leadsto \color{blue}{{a}^{2}} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
  4. Step-by-step derivation
    1. unpow2N/A

      \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
    2. lower-*.f6480.2

      \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
  5. Applied rewrites80.2%

    \[\leadsto \color{blue}{a \cdot a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
  6. Add Preprocessing

Alternative 3: 79.6% accurate, 1.9× speedup?

\[\begin{array}{l} \\ a \cdot a + {\left(b \cdot \sin \left(angle \cdot \frac{\mathsf{PI}\left(\right)}{180}\right)\right)}^{2} \end{array} \]
(FPCore (a b angle)
 :precision binary64
 (+ (* a a) (pow (* b (sin (* angle (/ (PI) 180.0)))) 2.0)))
\begin{array}{l}

\\
a \cdot a + {\left(b \cdot \sin \left(angle \cdot \frac{\mathsf{PI}\left(\right)}{180}\right)\right)}^{2}
\end{array}
Derivation
  1. Initial program 80.1%

    \[{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
  2. Add Preprocessing
  3. Taylor expanded in angle around 0

    \[\leadsto \color{blue}{{a}^{2}} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
  4. Step-by-step derivation
    1. unpow2N/A

      \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
    2. lower-*.f6480.2

      \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
  5. Applied rewrites80.2%

    \[\leadsto \color{blue}{a \cdot a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
  6. Step-by-step derivation
    1. lift-PI.f64N/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \left(\color{blue}{\mathsf{PI}\left(\right)} \cdot \frac{angle}{180}\right)\right)}^{2} \]
    2. lift-*.f64N/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \color{blue}{\left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}\right)}^{2} \]
    3. lift-/.f64N/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \color{blue}{\frac{angle}{180}}\right)\right)}^{2} \]
    4. associate-*r/N/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \color{blue}{\left(\frac{\mathsf{PI}\left(\right) \cdot angle}{180}\right)}\right)}^{2} \]
    5. *-commutativeN/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \left(\frac{\color{blue}{angle \cdot \mathsf{PI}\left(\right)}}{180}\right)\right)}^{2} \]
    6. lower-/.f64N/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \color{blue}{\left(\frac{angle \cdot \mathsf{PI}\left(\right)}{180}\right)}\right)}^{2} \]
    7. lower-*.f64N/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \left(\frac{\color{blue}{angle \cdot \mathsf{PI}\left(\right)}}{180}\right)\right)}^{2} \]
    8. lift-PI.f6480.3

      \[\leadsto a \cdot a + {\left(b \cdot \sin \left(\frac{angle \cdot \color{blue}{\mathsf{PI}\left(\right)}}{180}\right)\right)}^{2} \]
  7. Applied rewrites80.3%

    \[\leadsto a \cdot a + {\left(b \cdot \sin \color{blue}{\left(\frac{angle \cdot \mathsf{PI}\left(\right)}{180}\right)}\right)}^{2} \]
  8. Step-by-step derivation
    1. lift-/.f64N/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \color{blue}{\left(\frac{angle \cdot \mathsf{PI}\left(\right)}{180}\right)}\right)}^{2} \]
    2. lift-PI.f64N/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \left(\frac{angle \cdot \color{blue}{\mathsf{PI}\left(\right)}}{180}\right)\right)}^{2} \]
    3. lift-*.f64N/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \left(\frac{\color{blue}{angle \cdot \mathsf{PI}\left(\right)}}{180}\right)\right)}^{2} \]
    4. associate-/l*N/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \color{blue}{\left(angle \cdot \frac{\mathsf{PI}\left(\right)}{180}\right)}\right)}^{2} \]
    5. lower-*.f64N/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \color{blue}{\left(angle \cdot \frac{\mathsf{PI}\left(\right)}{180}\right)}\right)}^{2} \]
    6. lower-/.f64N/A

      \[\leadsto a \cdot a + {\left(b \cdot \sin \left(angle \cdot \color{blue}{\frac{\mathsf{PI}\left(\right)}{180}}\right)\right)}^{2} \]
    7. lift-PI.f6480.2

      \[\leadsto a \cdot a + {\left(b \cdot \sin \left(angle \cdot \frac{\color{blue}{\mathsf{PI}\left(\right)}}{180}\right)\right)}^{2} \]
  9. Applied rewrites80.2%

    \[\leadsto a \cdot a + {\left(b \cdot \sin \color{blue}{\left(angle \cdot \frac{\mathsf{PI}\left(\right)}{180}\right)}\right)}^{2} \]
  10. Add Preprocessing

Alternative 4: 79.6% accurate, 2.0× speedup?

\[\begin{array}{l} \\ a \cdot a + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \left(0.005555555555555556 \cdot angle\right)\right)\right)}^{2} \end{array} \]
(FPCore (a b angle)
 :precision binary64
 (+ (* a a) (pow (* b (sin (* (PI) (* 0.005555555555555556 angle)))) 2.0)))
\begin{array}{l}

\\
a \cdot a + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \left(0.005555555555555556 \cdot angle\right)\right)\right)}^{2}
\end{array}
Derivation
  1. Initial program 80.1%

    \[{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
  2. Add Preprocessing
  3. Taylor expanded in angle around 0

    \[\leadsto \color{blue}{{a}^{2}} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
  4. Step-by-step derivation
    1. unpow2N/A

      \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
    2. lower-*.f6480.2

      \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
  5. Applied rewrites80.2%

    \[\leadsto \color{blue}{a \cdot a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
  6. Taylor expanded in angle around 0

    \[\leadsto a \cdot a + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \color{blue}{\left(\frac{1}{180} \cdot angle\right)}\right)\right)}^{2} \]
  7. Step-by-step derivation
    1. lower-*.f6480.2

      \[\leadsto a \cdot a + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \left(0.005555555555555556 \cdot \color{blue}{angle}\right)\right)\right)}^{2} \]
  8. Applied rewrites80.2%

    \[\leadsto a \cdot a + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \color{blue}{\left(0.005555555555555556 \cdot angle\right)}\right)\right)}^{2} \]
  9. Add Preprocessing

Alternative 5: 77.1% accurate, 2.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;angle \leq 0.005:\\ \;\;\;\;\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right)\\ \mathbf{else}:\\ \;\;\;\;\mathsf{fma}\left(0.5 - \cos \left(\left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right) \cdot 2\right) \cdot 0.5, b \cdot b, a \cdot a\right)\\ \end{array} \end{array} \]
(FPCore (a b angle)
 :precision binary64
 (if (<= angle 0.005)
   (fma
    (* (* (* b (PI)) angle) 0.005555555555555556)
    (* (* (* angle b) (PI)) 0.005555555555555556)
    (* a a))
   (fma
    (- 0.5 (* (cos (* (* (/ angle 180.0) (PI)) 2.0)) 0.5))
    (* b b)
    (* a a))))
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;angle \leq 0.005:\\
\;\;\;\;\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right)\\

\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(0.5 - \cos \left(\left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right) \cdot 2\right) \cdot 0.5, b \cdot b, a \cdot a\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if angle < 0.0050000000000000001

    1. Initial program 87.7%

      \[{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
    2. Add Preprocessing
    3. Taylor expanded in angle around 0

      \[\leadsto \color{blue}{{a}^{2}} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
    4. Step-by-step derivation
      1. unpow2N/A

        \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      2. lower-*.f6487.9

        \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
    5. Applied rewrites87.9%

      \[\leadsto \color{blue}{a \cdot a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
    6. Taylor expanded in angle around 0

      \[\leadsto a \cdot a + {\color{blue}{\left(\frac{1}{180} \cdot \left(angle \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)\right)}}^{2} \]
    7. Step-by-step derivation
      1. associate-*r*N/A

        \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \color{blue}{\left(b \cdot \mathsf{PI}\left(\right)\right)}\right)}^{2} \]
      2. lower-*.f64N/A

        \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \color{blue}{\left(b \cdot \mathsf{PI}\left(\right)\right)}\right)}^{2} \]
      3. lower-*.f64N/A

        \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(\color{blue}{b} \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} \]
      4. lower-*.f64N/A

        \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \color{blue}{\mathsf{PI}\left(\right)}\right)\right)}^{2} \]
      5. lift-PI.f6485.1

        \[\leadsto a \cdot a + {\left(\left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} \]
    8. Applied rewrites85.1%

      \[\leadsto a \cdot a + {\color{blue}{\left(\left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}}^{2} \]
    9. Step-by-step derivation
      1. lift-+.f64N/A

        \[\leadsto \color{blue}{a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}} \]
      2. +-commutativeN/A

        \[\leadsto \color{blue}{{\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} + a \cdot a} \]
      3. lift-pow.f64N/A

        \[\leadsto \color{blue}{{\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}} + a \cdot a \]
      4. unpow2N/A

        \[\leadsto \color{blue}{\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right) \cdot \left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)} + a \cdot a \]
      5. lower-fma.f6485.1

        \[\leadsto \color{blue}{\mathsf{fma}\left(\left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right), \left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right), a \cdot a\right)} \]
    10. Applied rewrites85.1%

      \[\leadsto \color{blue}{\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, a \cdot a\right)} \]
    11. Step-by-step derivation
      1. lift-*.f64N/A

        \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, a \cdot a\right) \]
      2. lift-PI.f64N/A

        \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, a \cdot a\right) \]
      3. lift-*.f64N/A

        \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, a \cdot a\right) \]
      4. *-commutativeN/A

        \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(angle \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
      5. associate-*r*N/A

        \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
      6. lower-*.f64N/A

        \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
      7. lower-*.f64N/A

        \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
      8. lift-PI.f6485.2

        \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right) \]
    12. Applied rewrites85.2%

      \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right) \]

    if 0.0050000000000000001 < angle

    1. Initial program 51.8%

      \[{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
    2. Add Preprocessing
    3. Taylor expanded in angle around 0

      \[\leadsto \color{blue}{{a}^{2}} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
    4. Step-by-step derivation
      1. unpow2N/A

        \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      2. lower-*.f6451.4

        \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
    5. Applied rewrites51.4%

      \[\leadsto \color{blue}{a \cdot a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
    6. Step-by-step derivation
      1. lift-+.f64N/A

        \[\leadsto \color{blue}{a \cdot a + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2}} \]
      2. lift-pow.f64N/A

        \[\leadsto a \cdot a + \color{blue}{{\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2}} \]
      3. lift-*.f64N/A

        \[\leadsto a \cdot a + {\color{blue}{\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}}^{2} \]
      4. lift-sin.f64N/A

        \[\leadsto a \cdot a + {\left(b \cdot \color{blue}{\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}\right)}^{2} \]
      5. lift-PI.f64N/A

        \[\leadsto a \cdot a + {\left(b \cdot \sin \left(\color{blue}{\mathsf{PI}\left(\right)} \cdot \frac{angle}{180}\right)\right)}^{2} \]
      6. lift-*.f64N/A

        \[\leadsto a \cdot a + {\left(b \cdot \sin \color{blue}{\left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}\right)}^{2} \]
      7. lift-/.f64N/A

        \[\leadsto a \cdot a + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \color{blue}{\frac{angle}{180}}\right)\right)}^{2} \]
      8. +-commutativeN/A

        \[\leadsto \color{blue}{{\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + a \cdot a} \]
      9. *-commutativeN/A

        \[\leadsto {\color{blue}{\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}}^{2} + a \cdot a \]
      10. unpow-prod-downN/A

        \[\leadsto \color{blue}{{\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}^{2} \cdot {b}^{2}} + a \cdot a \]
    7. Applied rewrites51.4%

      \[\leadsto \color{blue}{\mathsf{fma}\left({\sin \left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right)}^{2}, b \cdot b, a \cdot a\right)} \]
    8. Step-by-step derivation
      1. lift-pow.f64N/A

        \[\leadsto \mathsf{fma}\left(\color{blue}{{\sin \left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right)}^{2}}, b \cdot b, a \cdot a\right) \]
      2. lift-sin.f64N/A

        \[\leadsto \mathsf{fma}\left({\color{blue}{\sin \left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right)}}^{2}, b \cdot b, a \cdot a\right) \]
      3. lift-PI.f64N/A

        \[\leadsto \mathsf{fma}\left({\sin \left(\frac{angle}{180} \cdot \color{blue}{\mathsf{PI}\left(\right)}\right)}^{2}, b \cdot b, a \cdot a\right) \]
      4. lift-*.f64N/A

        \[\leadsto \mathsf{fma}\left({\sin \color{blue}{\left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right)}}^{2}, b \cdot b, a \cdot a\right) \]
      5. lift-/.f64N/A

        \[\leadsto \mathsf{fma}\left({\sin \left(\color{blue}{\frac{angle}{180}} \cdot \mathsf{PI}\left(\right)\right)}^{2}, b \cdot b, a \cdot a\right) \]
      6. unpow2N/A

        \[\leadsto \mathsf{fma}\left(\color{blue}{\sin \left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right) \cdot \sin \left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right)}, b \cdot b, a \cdot a\right) \]
      7. lift-/.f64N/A

        \[\leadsto \mathsf{fma}\left(\sin \left(\color{blue}{\frac{angle}{180}} \cdot \mathsf{PI}\left(\right)\right) \cdot \sin \left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right), b \cdot b, a \cdot a\right) \]
      8. lift-*.f64N/A

        \[\leadsto \mathsf{fma}\left(\sin \color{blue}{\left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right)} \cdot \sin \left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right), b \cdot b, a \cdot a\right) \]
      9. lift-PI.f64N/A

        \[\leadsto \mathsf{fma}\left(\sin \left(\frac{angle}{180} \cdot \color{blue}{\mathsf{PI}\left(\right)}\right) \cdot \sin \left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right), b \cdot b, a \cdot a\right) \]
      10. lift-/.f64N/A

        \[\leadsto \mathsf{fma}\left(\sin \left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right) \cdot \sin \left(\color{blue}{\frac{angle}{180}} \cdot \mathsf{PI}\left(\right)\right), b \cdot b, a \cdot a\right) \]
      11. lift-*.f64N/A

        \[\leadsto \mathsf{fma}\left(\sin \left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right) \cdot \sin \color{blue}{\left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right)}, b \cdot b, a \cdot a\right) \]
      12. lift-PI.f64N/A

        \[\leadsto \mathsf{fma}\left(\sin \left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right) \cdot \sin \left(\frac{angle}{180} \cdot \color{blue}{\mathsf{PI}\left(\right)}\right), b \cdot b, a \cdot a\right) \]
      13. sqr-sin-a-revN/A

        \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{1}{2} - \frac{1}{2} \cdot \cos \left(2 \cdot \left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right)\right)}, b \cdot b, a \cdot a\right) \]
      14. lift-PI.f64N/A

        \[\leadsto \mathsf{fma}\left(\frac{1}{2} - \frac{1}{2} \cdot \cos \left(2 \cdot \left(\frac{angle}{180} \cdot \color{blue}{\mathsf{PI}\left(\right)}\right)\right), b \cdot b, a \cdot a\right) \]
      15. lift-*.f64N/A

        \[\leadsto \mathsf{fma}\left(\frac{1}{2} - \frac{1}{2} \cdot \cos \left(2 \cdot \color{blue}{\left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right)}\right), b \cdot b, a \cdot a\right) \]
      16. lift-/.f64N/A

        \[\leadsto \mathsf{fma}\left(\frac{1}{2} - \frac{1}{2} \cdot \cos \left(2 \cdot \left(\color{blue}{\frac{angle}{180}} \cdot \mathsf{PI}\left(\right)\right)\right), b \cdot b, a \cdot a\right) \]
    9. Applied rewrites51.4%

      \[\leadsto \mathsf{fma}\left(\color{blue}{0.5 - \cos \left(\left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right) \cdot 2\right) \cdot 0.5}, b \cdot b, a \cdot a\right) \]
  3. Recombined 2 regimes into one program.
  4. Final simplification78.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;angle \leq 0.005:\\ \;\;\;\;\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right)\\ \mathbf{else}:\\ \;\;\;\;\mathsf{fma}\left(0.5 - \cos \left(\left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right) \cdot 2\right) \cdot 0.5, b \cdot b, a \cdot a\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 67.1% accurate, 3.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq 3.8 \cdot 10^{-121}:\\ \;\;\;\;\mathsf{fma}\left(\sin \left(\mathsf{fma}\left(0.011111111111111112, angle \cdot \mathsf{PI}\left(\right), 0.5 \cdot \mathsf{PI}\left(\right)\right)\right), 0.5, 0.5\right) \cdot \left(a \cdot a\right)\\ \mathbf{else}:\\ \;\;\;\;\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right)\\ \end{array} \end{array} \]
(FPCore (a b angle)
 :precision binary64
 (if (<= b 3.8e-121)
   (*
    (fma (sin (fma 0.011111111111111112 (* angle (PI)) (* 0.5 (PI)))) 0.5 0.5)
    (* a a))
   (fma
    (* (* (* b (PI)) angle) 0.005555555555555556)
    (* (* (* angle b) (PI)) 0.005555555555555556)
    (* a a))))
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;b \leq 3.8 \cdot 10^{-121}:\\
\;\;\;\;\mathsf{fma}\left(\sin \left(\mathsf{fma}\left(0.011111111111111112, angle \cdot \mathsf{PI}\left(\right), 0.5 \cdot \mathsf{PI}\left(\right)\right)\right), 0.5, 0.5\right) \cdot \left(a \cdot a\right)\\

\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if b < 3.8000000000000001e-121

    1. Initial program 77.4%

      \[{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. lift-+.f64N/A

        \[\leadsto \color{blue}{{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2}} \]
      2. lift-pow.f64N/A

        \[\leadsto \color{blue}{{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2}} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      3. lift-*.f64N/A

        \[\leadsto {\color{blue}{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      4. lift-cos.f64N/A

        \[\leadsto {\left(a \cdot \color{blue}{\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      5. lift-PI.f64N/A

        \[\leadsto {\left(a \cdot \cos \left(\color{blue}{\mathsf{PI}\left(\right)} \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      6. lift-*.f64N/A

        \[\leadsto {\left(a \cdot \cos \color{blue}{\left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      7. lift-/.f64N/A

        \[\leadsto {\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \color{blue}{\frac{angle}{180}}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      8. *-commutativeN/A

        \[\leadsto {\color{blue}{\left(\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot a\right)}}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      9. unpow-prod-downN/A

        \[\leadsto \color{blue}{{\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}^{2} \cdot {a}^{2}} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      10. lift-pow.f64N/A

        \[\leadsto {\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}^{2} \cdot {a}^{2} + \color{blue}{{\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2}} \]
    4. Applied rewrites77.4%

      \[\leadsto \color{blue}{\mathsf{fma}\left({\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}^{2}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right)} \]
    5. Step-by-step derivation
      1. lift-pow.f64N/A

        \[\leadsto \mathsf{fma}\left(\color{blue}{{\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}^{2}}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      2. lift-cos.f64N/A

        \[\leadsto \mathsf{fma}\left({\color{blue}{\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}}^{2}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      3. lift-PI.f64N/A

        \[\leadsto \mathsf{fma}\left({\cos \left(\color{blue}{\mathsf{PI}\left(\right)} \cdot \frac{angle}{180}\right)}^{2}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      4. lift-*.f64N/A

        \[\leadsto \mathsf{fma}\left({\cos \color{blue}{\left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}}^{2}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      5. lift-/.f64N/A

        \[\leadsto \mathsf{fma}\left({\cos \left(\mathsf{PI}\left(\right) \cdot \color{blue}{\frac{angle}{180}}\right)}^{2}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      6. unpow2N/A

        \[\leadsto \mathsf{fma}\left(\color{blue}{\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      7. lift-/.f64N/A

        \[\leadsto \mathsf{fma}\left(\cos \left(\mathsf{PI}\left(\right) \cdot \color{blue}{\frac{angle}{180}}\right) \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right), a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      8. lift-*.f64N/A

        \[\leadsto \mathsf{fma}\left(\cos \color{blue}{\left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)} \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right), a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      9. lift-PI.f64N/A

        \[\leadsto \mathsf{fma}\left(\cos \left(\color{blue}{\mathsf{PI}\left(\right)} \cdot \frac{angle}{180}\right) \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right), a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      10. lift-/.f64N/A

        \[\leadsto \mathsf{fma}\left(\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \color{blue}{\frac{angle}{180}}\right), a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      11. lift-*.f64N/A

        \[\leadsto \mathsf{fma}\left(\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot \cos \color{blue}{\left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      12. lift-PI.f64N/A

        \[\leadsto \mathsf{fma}\left(\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot \cos \left(\color{blue}{\mathsf{PI}\left(\right)} \cdot \frac{angle}{180}\right), a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      13. sqr-cos-aN/A

        \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{1}{2} + \frac{1}{2} \cdot \cos \left(2 \cdot \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      14. lower-+.f64N/A

        \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{1}{2} + \frac{1}{2} \cdot \cos \left(2 \cdot \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      15. lower-*.f64N/A

        \[\leadsto \mathsf{fma}\left(\frac{1}{2} + \color{blue}{\frac{1}{2} \cdot \cos \left(2 \cdot \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      16. lower-cos.f64N/A

        \[\leadsto \mathsf{fma}\left(\frac{1}{2} + \frac{1}{2} \cdot \color{blue}{\cos \left(2 \cdot \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      17. lower-*.f6477.4

        \[\leadsto \mathsf{fma}\left(0.5 + 0.5 \cdot \cos \color{blue}{\left(2 \cdot \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
    6. Applied rewrites77.4%

      \[\leadsto \mathsf{fma}\left(\color{blue}{0.5 + 0.5 \cdot \cos \left(2 \cdot \left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right)\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
    7. Step-by-step derivation
      1. lift-cos.f64N/A

        \[\leadsto \mathsf{fma}\left(\frac{1}{2} + \frac{1}{2} \cdot \color{blue}{\cos \left(2 \cdot \left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right)\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      2. sin-+PI/2-revN/A

        \[\leadsto \mathsf{fma}\left(\frac{1}{2} + \frac{1}{2} \cdot \color{blue}{\sin \left(2 \cdot \left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right) + \frac{\mathsf{PI}\left(\right)}{2}\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      3. lower-sin.f64N/A

        \[\leadsto \mathsf{fma}\left(\frac{1}{2} + \frac{1}{2} \cdot \color{blue}{\sin \left(2 \cdot \left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right) + \frac{\mathsf{PI}\left(\right)}{2}\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      4. lift-*.f64N/A

        \[\leadsto \mathsf{fma}\left(\frac{1}{2} + \frac{1}{2} \cdot \sin \left(\color{blue}{2 \cdot \left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right)} + \frac{\mathsf{PI}\left(\right)}{2}\right), a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      5. *-commutativeN/A

        \[\leadsto \mathsf{fma}\left(\frac{1}{2} + \frac{1}{2} \cdot \sin \left(\color{blue}{\left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right) \cdot 2} + \frac{\mathsf{PI}\left(\right)}{2}\right), a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      6. lower-fma.f64N/A

        \[\leadsto \mathsf{fma}\left(\frac{1}{2} + \frac{1}{2} \cdot \sin \color{blue}{\left(\mathsf{fma}\left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right), 2, \frac{\mathsf{PI}\left(\right)}{2}\right)\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      7. lower-/.f64N/A

        \[\leadsto \mathsf{fma}\left(\frac{1}{2} + \frac{1}{2} \cdot \sin \left(\mathsf{fma}\left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right), 2, \color{blue}{\frac{\mathsf{PI}\left(\right)}{2}}\right)\right), a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      8. lift-PI.f6477.1

        \[\leadsto \mathsf{fma}\left(0.5 + 0.5 \cdot \sin \left(\mathsf{fma}\left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right), 2, \frac{\color{blue}{\mathsf{PI}\left(\right)}}{2}\right)\right), a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
    8. Applied rewrites77.1%

      \[\leadsto \mathsf{fma}\left(0.5 + 0.5 \cdot \color{blue}{\sin \left(\mathsf{fma}\left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right), 2, \frac{\mathsf{PI}\left(\right)}{2}\right)\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
    9. Taylor expanded in a around inf

      \[\leadsto \color{blue}{{a}^{2} \cdot \left(\frac{1}{2} + \frac{1}{2} \cdot \sin \left(\frac{1}{90} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right) + \frac{1}{2} \cdot \mathsf{PI}\left(\right)\right)\right)} \]
    10. Step-by-step derivation
      1. Applied rewrites58.7%

        \[\leadsto \color{blue}{\mathsf{fma}\left(\sin \left(\mathsf{fma}\left(0.011111111111111112, angle \cdot \mathsf{PI}\left(\right), 0.5 \cdot \mathsf{PI}\left(\right)\right)\right), 0.5, 0.5\right) \cdot \left(a \cdot a\right)} \]

      if 3.8000000000000001e-121 < b

      1. Initial program 84.3%

        \[{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      2. Add Preprocessing
      3. Taylor expanded in angle around 0

        \[\leadsto \color{blue}{{a}^{2}} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      4. Step-by-step derivation
        1. unpow2N/A

          \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
        2. lower-*.f6484.5

          \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      5. Applied rewrites84.5%

        \[\leadsto \color{blue}{a \cdot a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      6. Taylor expanded in angle around 0

        \[\leadsto a \cdot a + {\color{blue}{\left(\frac{1}{180} \cdot \left(angle \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)\right)}}^{2} \]
      7. Step-by-step derivation
        1. associate-*r*N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \color{blue}{\left(b \cdot \mathsf{PI}\left(\right)\right)}\right)}^{2} \]
        2. lower-*.f64N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \color{blue}{\left(b \cdot \mathsf{PI}\left(\right)\right)}\right)}^{2} \]
        3. lower-*.f64N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(\color{blue}{b} \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} \]
        4. lower-*.f64N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \color{blue}{\mathsf{PI}\left(\right)}\right)\right)}^{2} \]
        5. lift-PI.f6480.9

          \[\leadsto a \cdot a + {\left(\left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} \]
      8. Applied rewrites80.9%

        \[\leadsto a \cdot a + {\color{blue}{\left(\left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}}^{2} \]
      9. Step-by-step derivation
        1. lift-+.f64N/A

          \[\leadsto \color{blue}{a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}} \]
        2. +-commutativeN/A

          \[\leadsto \color{blue}{{\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} + a \cdot a} \]
        3. lift-pow.f64N/A

          \[\leadsto \color{blue}{{\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}} + a \cdot a \]
        4. unpow2N/A

          \[\leadsto \color{blue}{\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right) \cdot \left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)} + a \cdot a \]
        5. lower-fma.f6480.9

          \[\leadsto \color{blue}{\mathsf{fma}\left(\left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right), \left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right), a \cdot a\right)} \]
      10. Applied rewrites80.9%

        \[\leadsto \color{blue}{\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, a \cdot a\right)} \]
      11. Step-by-step derivation
        1. lift-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        2. lift-PI.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        3. lift-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        4. *-commutativeN/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(angle \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        5. associate-*r*N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        6. lower-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        7. lower-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        8. lift-PI.f6481.0

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right) \]
      12. Applied rewrites81.0%

        \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right) \]
    11. Recombined 2 regimes into one program.
    12. Final simplification67.5%

      \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq 3.8 \cdot 10^{-121}:\\ \;\;\;\;\mathsf{fma}\left(\sin \left(\mathsf{fma}\left(0.011111111111111112, angle \cdot \mathsf{PI}\left(\right), 0.5 \cdot \mathsf{PI}\left(\right)\right)\right), 0.5, 0.5\right) \cdot \left(a \cdot a\right)\\ \mathbf{else}:\\ \;\;\;\;\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right)\\ \end{array} \]
    13. Add Preprocessing

    Alternative 7: 67.0% accurate, 3.4× speedup?

    \[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq 3.8 \cdot 10^{-121}:\\ \;\;\;\;\mathsf{fma}\left(\cos \left(0.011111111111111112 \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right), 0.5, 0.5\right) \cdot \left(a \cdot a\right)\\ \mathbf{else}:\\ \;\;\;\;\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right)\\ \end{array} \end{array} \]
    (FPCore (a b angle)
     :precision binary64
     (if (<= b 3.8e-121)
       (* (fma (cos (* 0.011111111111111112 (* angle (PI)))) 0.5 0.5) (* a a))
       (fma
        (* (* (* b (PI)) angle) 0.005555555555555556)
        (* (* (* angle b) (PI)) 0.005555555555555556)
        (* a a))))
    \begin{array}{l}
    
    \\
    \begin{array}{l}
    \mathbf{if}\;b \leq 3.8 \cdot 10^{-121}:\\
    \;\;\;\;\mathsf{fma}\left(\cos \left(0.011111111111111112 \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right), 0.5, 0.5\right) \cdot \left(a \cdot a\right)\\
    
    \mathbf{else}:\\
    \;\;\;\;\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right)\\
    
    
    \end{array}
    \end{array}
    
    Derivation
    1. Split input into 2 regimes
    2. if b < 3.8000000000000001e-121

      1. Initial program 77.4%

        \[{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      2. Add Preprocessing
      3. Step-by-step derivation
        1. lift-+.f64N/A

          \[\leadsto \color{blue}{{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2}} \]
        2. lift-pow.f64N/A

          \[\leadsto \color{blue}{{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2}} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
        3. lift-*.f64N/A

          \[\leadsto {\color{blue}{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
        4. lift-cos.f64N/A

          \[\leadsto {\left(a \cdot \color{blue}{\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
        5. lift-PI.f64N/A

          \[\leadsto {\left(a \cdot \cos \left(\color{blue}{\mathsf{PI}\left(\right)} \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
        6. lift-*.f64N/A

          \[\leadsto {\left(a \cdot \cos \color{blue}{\left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
        7. lift-/.f64N/A

          \[\leadsto {\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \color{blue}{\frac{angle}{180}}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
        8. *-commutativeN/A

          \[\leadsto {\color{blue}{\left(\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot a\right)}}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
        9. unpow-prod-downN/A

          \[\leadsto \color{blue}{{\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}^{2} \cdot {a}^{2}} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
        10. lift-pow.f64N/A

          \[\leadsto {\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}^{2} \cdot {a}^{2} + \color{blue}{{\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2}} \]
      4. Applied rewrites77.4%

        \[\leadsto \color{blue}{\mathsf{fma}\left({\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}^{2}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right)} \]
      5. Step-by-step derivation
        1. lift-pow.f64N/A

          \[\leadsto \mathsf{fma}\left(\color{blue}{{\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}^{2}}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
        2. lift-cos.f64N/A

          \[\leadsto \mathsf{fma}\left({\color{blue}{\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}}^{2}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
        3. lift-PI.f64N/A

          \[\leadsto \mathsf{fma}\left({\cos \left(\color{blue}{\mathsf{PI}\left(\right)} \cdot \frac{angle}{180}\right)}^{2}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
        4. lift-*.f64N/A

          \[\leadsto \mathsf{fma}\left({\cos \color{blue}{\left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}}^{2}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
        5. lift-/.f64N/A

          \[\leadsto \mathsf{fma}\left({\cos \left(\mathsf{PI}\left(\right) \cdot \color{blue}{\frac{angle}{180}}\right)}^{2}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
        6. unpow2N/A

          \[\leadsto \mathsf{fma}\left(\color{blue}{\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
        7. lift-/.f64N/A

          \[\leadsto \mathsf{fma}\left(\cos \left(\mathsf{PI}\left(\right) \cdot \color{blue}{\frac{angle}{180}}\right) \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right), a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
        8. lift-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\cos \color{blue}{\left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)} \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right), a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
        9. lift-PI.f64N/A

          \[\leadsto \mathsf{fma}\left(\cos \left(\color{blue}{\mathsf{PI}\left(\right)} \cdot \frac{angle}{180}\right) \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right), a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
        10. lift-/.f64N/A

          \[\leadsto \mathsf{fma}\left(\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \color{blue}{\frac{angle}{180}}\right), a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
        11. lift-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot \cos \color{blue}{\left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
        12. lift-PI.f64N/A

          \[\leadsto \mathsf{fma}\left(\cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot \cos \left(\color{blue}{\mathsf{PI}\left(\right)} \cdot \frac{angle}{180}\right), a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
        13. sqr-cos-aN/A

          \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{1}{2} + \frac{1}{2} \cdot \cos \left(2 \cdot \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
        14. lower-+.f64N/A

          \[\leadsto \mathsf{fma}\left(\color{blue}{\frac{1}{2} + \frac{1}{2} \cdot \cos \left(2 \cdot \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
        15. lower-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\frac{1}{2} + \color{blue}{\frac{1}{2} \cdot \cos \left(2 \cdot \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
        16. lower-cos.f64N/A

          \[\leadsto \mathsf{fma}\left(\frac{1}{2} + \frac{1}{2} \cdot \color{blue}{\cos \left(2 \cdot \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
        17. lower-*.f6477.4

          \[\leadsto \mathsf{fma}\left(0.5 + 0.5 \cdot \cos \color{blue}{\left(2 \cdot \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      6. Applied rewrites77.4%

        \[\leadsto \mathsf{fma}\left(\color{blue}{0.5 + 0.5 \cdot \cos \left(2 \cdot \left(\frac{angle}{180} \cdot \mathsf{PI}\left(\right)\right)\right)}, a \cdot a, {\left(\sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right) \cdot b\right)}^{2}\right) \]
      7. Taylor expanded in a around inf

        \[\leadsto \color{blue}{{a}^{2} \cdot \left(\frac{1}{2} + \frac{1}{2} \cdot \cos \left(\frac{1}{90} \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right)\right)} \]
      8. Applied rewrites58.9%

        \[\leadsto \color{blue}{\mathsf{fma}\left(\cos \left(0.011111111111111112 \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right), 0.5, 0.5\right) \cdot \left(a \cdot a\right)} \]

      if 3.8000000000000001e-121 < b

      1. Initial program 84.3%

        \[{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      2. Add Preprocessing
      3. Taylor expanded in angle around 0

        \[\leadsto \color{blue}{{a}^{2}} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      4. Step-by-step derivation
        1. unpow2N/A

          \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
        2. lower-*.f6484.5

          \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      5. Applied rewrites84.5%

        \[\leadsto \color{blue}{a \cdot a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      6. Taylor expanded in angle around 0

        \[\leadsto a \cdot a + {\color{blue}{\left(\frac{1}{180} \cdot \left(angle \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)\right)}}^{2} \]
      7. Step-by-step derivation
        1. associate-*r*N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \color{blue}{\left(b \cdot \mathsf{PI}\left(\right)\right)}\right)}^{2} \]
        2. lower-*.f64N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \color{blue}{\left(b \cdot \mathsf{PI}\left(\right)\right)}\right)}^{2} \]
        3. lower-*.f64N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(\color{blue}{b} \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} \]
        4. lower-*.f64N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \color{blue}{\mathsf{PI}\left(\right)}\right)\right)}^{2} \]
        5. lift-PI.f6480.9

          \[\leadsto a \cdot a + {\left(\left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} \]
      8. Applied rewrites80.9%

        \[\leadsto a \cdot a + {\color{blue}{\left(\left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}}^{2} \]
      9. Step-by-step derivation
        1. lift-+.f64N/A

          \[\leadsto \color{blue}{a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}} \]
        2. +-commutativeN/A

          \[\leadsto \color{blue}{{\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} + a \cdot a} \]
        3. lift-pow.f64N/A

          \[\leadsto \color{blue}{{\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}} + a \cdot a \]
        4. unpow2N/A

          \[\leadsto \color{blue}{\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right) \cdot \left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)} + a \cdot a \]
        5. lower-fma.f6480.9

          \[\leadsto \color{blue}{\mathsf{fma}\left(\left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right), \left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right), a \cdot a\right)} \]
      10. Applied rewrites80.9%

        \[\leadsto \color{blue}{\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, a \cdot a\right)} \]
      11. Step-by-step derivation
        1. lift-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        2. lift-PI.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        3. lift-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        4. *-commutativeN/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(angle \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        5. associate-*r*N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        6. lower-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        7. lower-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        8. lift-PI.f6481.0

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right) \]
      12. Applied rewrites81.0%

        \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right) \]
    3. Recombined 2 regimes into one program.
    4. Final simplification67.6%

      \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq 3.8 \cdot 10^{-121}:\\ \;\;\;\;\mathsf{fma}\left(\cos \left(0.011111111111111112 \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right), 0.5, 0.5\right) \cdot \left(a \cdot a\right)\\ \mathbf{else}:\\ \;\;\;\;\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right)\\ \end{array} \]
    5. Add Preprocessing

    Alternative 8: 67.3% accurate, 9.3× speedup?

    \[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq 1.05 \cdot 10^{-113}:\\ \;\;\;\;a \cdot a\\ \mathbf{else}:\\ \;\;\;\;\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right)\\ \end{array} \end{array} \]
    (FPCore (a b angle)
     :precision binary64
     (if (<= b 1.05e-113)
       (* a a)
       (fma
        (* (* (* b (PI)) angle) 0.005555555555555556)
        (* (* (* angle b) (PI)) 0.005555555555555556)
        (* a a))))
    \begin{array}{l}
    
    \\
    \begin{array}{l}
    \mathbf{if}\;b \leq 1.05 \cdot 10^{-113}:\\
    \;\;\;\;a \cdot a\\
    
    \mathbf{else}:\\
    \;\;\;\;\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right)\\
    
    
    \end{array}
    \end{array}
    
    Derivation
    1. Split input into 2 regimes
    2. if b < 1.05e-113

      1. Initial program 76.9%

        \[{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      2. Add Preprocessing
      3. Taylor expanded in angle around 0

        \[\leadsto \color{blue}{{a}^{2}} \]
      4. Step-by-step derivation
        1. unpow2N/A

          \[\leadsto a \cdot \color{blue}{a} \]
        2. lower-*.f6459.1

          \[\leadsto a \cdot \color{blue}{a} \]
      5. Applied rewrites59.1%

        \[\leadsto \color{blue}{a \cdot a} \]

      if 1.05e-113 < b

      1. Initial program 85.4%

        \[{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      2. Add Preprocessing
      3. Taylor expanded in angle around 0

        \[\leadsto \color{blue}{{a}^{2}} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      4. Step-by-step derivation
        1. unpow2N/A

          \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
        2. lower-*.f6485.5

          \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      5. Applied rewrites85.5%

        \[\leadsto \color{blue}{a \cdot a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      6. Taylor expanded in angle around 0

        \[\leadsto a \cdot a + {\color{blue}{\left(\frac{1}{180} \cdot \left(angle \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)\right)}}^{2} \]
      7. Step-by-step derivation
        1. associate-*r*N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \color{blue}{\left(b \cdot \mathsf{PI}\left(\right)\right)}\right)}^{2} \]
        2. lower-*.f64N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \color{blue}{\left(b \cdot \mathsf{PI}\left(\right)\right)}\right)}^{2} \]
        3. lower-*.f64N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(\color{blue}{b} \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} \]
        4. lower-*.f64N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \color{blue}{\mathsf{PI}\left(\right)}\right)\right)}^{2} \]
        5. lift-PI.f6482.0

          \[\leadsto a \cdot a + {\left(\left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} \]
      8. Applied rewrites82.0%

        \[\leadsto a \cdot a + {\color{blue}{\left(\left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}}^{2} \]
      9. Step-by-step derivation
        1. lift-+.f64N/A

          \[\leadsto \color{blue}{a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}} \]
        2. +-commutativeN/A

          \[\leadsto \color{blue}{{\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} + a \cdot a} \]
        3. lift-pow.f64N/A

          \[\leadsto \color{blue}{{\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}} + a \cdot a \]
        4. unpow2N/A

          \[\leadsto \color{blue}{\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right) \cdot \left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)} + a \cdot a \]
        5. lower-fma.f6482.0

          \[\leadsto \color{blue}{\mathsf{fma}\left(\left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right), \left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right), a \cdot a\right)} \]
      10. Applied rewrites82.1%

        \[\leadsto \color{blue}{\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, a \cdot a\right)} \]
      11. Step-by-step derivation
        1. lift-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        2. lift-PI.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        3. lift-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        4. *-commutativeN/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(angle \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        5. associate-*r*N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        6. lower-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        7. lower-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        8. lift-PI.f6482.1

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right) \]
      12. Applied rewrites82.1%

        \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right) \]
    3. Recombined 2 regimes into one program.
    4. Final simplification67.8%

      \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq 1.05 \cdot 10^{-113}:\\ \;\;\;\;a \cdot a\\ \mathbf{else}:\\ \;\;\;\;\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(angle \cdot b\right) \cdot \mathsf{PI}\left(\right)\right) \cdot 0.005555555555555556, a \cdot a\right)\\ \end{array} \]
    5. Add Preprocessing

    Alternative 9: 67.3% accurate, 9.3× speedup?

    \[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;b \leq 1.05 \cdot 10^{-113}:\\ \;\;\;\;a \cdot a\\ \mathbf{else}:\\ \;\;\;\;\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(b \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right) \cdot 0.005555555555555556, a \cdot a\right)\\ \end{array} \end{array} \]
    (FPCore (a b angle)
     :precision binary64
     (if (<= b 1.05e-113)
       (* a a)
       (fma
        (* (* (* b (PI)) angle) 0.005555555555555556)
        (* (* b (* angle (PI))) 0.005555555555555556)
        (* a a))))
    \begin{array}{l}
    
    \\
    \begin{array}{l}
    \mathbf{if}\;b \leq 1.05 \cdot 10^{-113}:\\
    \;\;\;\;a \cdot a\\
    
    \mathbf{else}:\\
    \;\;\;\;\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(b \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right) \cdot 0.005555555555555556, a \cdot a\right)\\
    
    
    \end{array}
    \end{array}
    
    Derivation
    1. Split input into 2 regimes
    2. if b < 1.05e-113

      1. Initial program 76.9%

        \[{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      2. Add Preprocessing
      3. Taylor expanded in angle around 0

        \[\leadsto \color{blue}{{a}^{2}} \]
      4. Step-by-step derivation
        1. unpow2N/A

          \[\leadsto a \cdot \color{blue}{a} \]
        2. lower-*.f6459.1

          \[\leadsto a \cdot \color{blue}{a} \]
      5. Applied rewrites59.1%

        \[\leadsto \color{blue}{a \cdot a} \]

      if 1.05e-113 < b

      1. Initial program 85.4%

        \[{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      2. Add Preprocessing
      3. Taylor expanded in angle around 0

        \[\leadsto \color{blue}{{a}^{2}} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      4. Step-by-step derivation
        1. unpow2N/A

          \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
        2. lower-*.f6485.5

          \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      5. Applied rewrites85.5%

        \[\leadsto \color{blue}{a \cdot a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      6. Taylor expanded in angle around 0

        \[\leadsto a \cdot a + {\color{blue}{\left(\frac{1}{180} \cdot \left(angle \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)\right)}}^{2} \]
      7. Step-by-step derivation
        1. associate-*r*N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \color{blue}{\left(b \cdot \mathsf{PI}\left(\right)\right)}\right)}^{2} \]
        2. lower-*.f64N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \color{blue}{\left(b \cdot \mathsf{PI}\left(\right)\right)}\right)}^{2} \]
        3. lower-*.f64N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(\color{blue}{b} \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} \]
        4. lower-*.f64N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \color{blue}{\mathsf{PI}\left(\right)}\right)\right)}^{2} \]
        5. lift-PI.f6482.0

          \[\leadsto a \cdot a + {\left(\left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} \]
      8. Applied rewrites82.0%

        \[\leadsto a \cdot a + {\color{blue}{\left(\left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}}^{2} \]
      9. Step-by-step derivation
        1. lift-+.f64N/A

          \[\leadsto \color{blue}{a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}} \]
        2. +-commutativeN/A

          \[\leadsto \color{blue}{{\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} + a \cdot a} \]
        3. lift-pow.f64N/A

          \[\leadsto \color{blue}{{\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}} + a \cdot a \]
        4. unpow2N/A

          \[\leadsto \color{blue}{\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right) \cdot \left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)} + a \cdot a \]
        5. lower-fma.f6482.0

          \[\leadsto \color{blue}{\mathsf{fma}\left(\left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right), \left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right), a \cdot a\right)} \]
      10. Applied rewrites82.1%

        \[\leadsto \color{blue}{\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, a \cdot a\right)} \]
      11. Step-by-step derivation
        1. lift-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        2. lift-PI.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        3. lift-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        4. associate-*l*N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(b \cdot \left(\mathsf{PI}\left(\right) \cdot angle\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        5. *-commutativeN/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(b \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        6. lower-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(b \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        7. lift-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(b \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        8. lift-PI.f6482.1

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(b \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right) \cdot 0.005555555555555556, a \cdot a\right) \]
      12. Applied rewrites82.1%

        \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(b \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right) \cdot 0.005555555555555556, a \cdot a\right) \]
    3. Recombined 2 regimes into one program.
    4. Final simplification67.8%

      \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq 1.05 \cdot 10^{-113}:\\ \;\;\;\;a \cdot a\\ \mathbf{else}:\\ \;\;\;\;\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(b \cdot \left(angle \cdot \mathsf{PI}\left(\right)\right)\right) \cdot 0.005555555555555556, a \cdot a\right)\\ \end{array} \]
    5. Add Preprocessing

    Alternative 10: 67.3% accurate, 9.3× speedup?

    \[\begin{array}{l} \\ \begin{array}{l} t_0 := b \cdot \mathsf{PI}\left(\right)\\ \mathbf{if}\;b \leq 1.05 \cdot 10^{-113}:\\ \;\;\;\;a \cdot a\\ \mathbf{else}:\\ \;\;\;\;\mathsf{fma}\left(\left(t\_0 \cdot angle\right) \cdot 0.005555555555555556, t\_0 \cdot \left(0.005555555555555556 \cdot angle\right), a \cdot a\right)\\ \end{array} \end{array} \]
    (FPCore (a b angle)
     :precision binary64
     (let* ((t_0 (* b (PI))))
       (if (<= b 1.05e-113)
         (* a a)
         (fma
          (* (* t_0 angle) 0.005555555555555556)
          (* t_0 (* 0.005555555555555556 angle))
          (* a a)))))
    \begin{array}{l}
    
    \\
    \begin{array}{l}
    t_0 := b \cdot \mathsf{PI}\left(\right)\\
    \mathbf{if}\;b \leq 1.05 \cdot 10^{-113}:\\
    \;\;\;\;a \cdot a\\
    
    \mathbf{else}:\\
    \;\;\;\;\mathsf{fma}\left(\left(t\_0 \cdot angle\right) \cdot 0.005555555555555556, t\_0 \cdot \left(0.005555555555555556 \cdot angle\right), a \cdot a\right)\\
    
    
    \end{array}
    \end{array}
    
    Derivation
    1. Split input into 2 regimes
    2. if b < 1.05e-113

      1. Initial program 76.9%

        \[{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      2. Add Preprocessing
      3. Taylor expanded in angle around 0

        \[\leadsto \color{blue}{{a}^{2}} \]
      4. Step-by-step derivation
        1. unpow2N/A

          \[\leadsto a \cdot \color{blue}{a} \]
        2. lower-*.f6459.1

          \[\leadsto a \cdot \color{blue}{a} \]
      5. Applied rewrites59.1%

        \[\leadsto \color{blue}{a \cdot a} \]

      if 1.05e-113 < b

      1. Initial program 85.4%

        \[{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      2. Add Preprocessing
      3. Taylor expanded in angle around 0

        \[\leadsto \color{blue}{{a}^{2}} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      4. Step-by-step derivation
        1. unpow2N/A

          \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
        2. lower-*.f6485.5

          \[\leadsto a \cdot \color{blue}{a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      5. Applied rewrites85.5%

        \[\leadsto \color{blue}{a \cdot a} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
      6. Taylor expanded in angle around 0

        \[\leadsto a \cdot a + {\color{blue}{\left(\frac{1}{180} \cdot \left(angle \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)\right)}}^{2} \]
      7. Step-by-step derivation
        1. associate-*r*N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \color{blue}{\left(b \cdot \mathsf{PI}\left(\right)\right)}\right)}^{2} \]
        2. lower-*.f64N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \color{blue}{\left(b \cdot \mathsf{PI}\left(\right)\right)}\right)}^{2} \]
        3. lower-*.f64N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(\color{blue}{b} \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} \]
        4. lower-*.f64N/A

          \[\leadsto a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \color{blue}{\mathsf{PI}\left(\right)}\right)\right)}^{2} \]
        5. lift-PI.f6482.0

          \[\leadsto a \cdot a + {\left(\left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} \]
      8. Applied rewrites82.0%

        \[\leadsto a \cdot a + {\color{blue}{\left(\left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}}^{2} \]
      9. Step-by-step derivation
        1. lift-+.f64N/A

          \[\leadsto \color{blue}{a \cdot a + {\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}} \]
        2. +-commutativeN/A

          \[\leadsto \color{blue}{{\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2} + a \cdot a} \]
        3. lift-pow.f64N/A

          \[\leadsto \color{blue}{{\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)}^{2}} + a \cdot a \]
        4. unpow2N/A

          \[\leadsto \color{blue}{\left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right) \cdot \left(\left(\frac{1}{180} \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right)\right)} + a \cdot a \]
        5. lower-fma.f6482.0

          \[\leadsto \color{blue}{\mathsf{fma}\left(\left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right), \left(0.005555555555555556 \cdot angle\right) \cdot \left(b \cdot \mathsf{PI}\left(\right)\right), a \cdot a\right)} \]
      10. Applied rewrites82.1%

        \[\leadsto \color{blue}{\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, a \cdot a\right)} \]
      11. Step-by-step derivation
        1. lift-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \color{blue}{\frac{1}{180}}, a \cdot a\right) \]
        2. lift-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        3. lift-PI.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        4. lift-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, a \cdot a\right) \]
        5. associate-*l*N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(b \cdot \mathsf{PI}\left(\right)\right) \cdot \color{blue}{\left(angle \cdot \frac{1}{180}\right)}, a \cdot a\right) \]
        6. *-commutativeN/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(b \cdot \mathsf{PI}\left(\right)\right) \cdot \left(\frac{1}{180} \cdot \color{blue}{angle}\right), a \cdot a\right) \]
        7. lower-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(b \cdot \mathsf{PI}\left(\right)\right) \cdot \color{blue}{\left(\frac{1}{180} \cdot angle\right)}, a \cdot a\right) \]
        8. lift-*.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(b \cdot \mathsf{PI}\left(\right)\right) \cdot \left(\color{blue}{\frac{1}{180}} \cdot angle\right), a \cdot a\right) \]
        9. lift-PI.f64N/A

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot \frac{1}{180}, \left(b \cdot \mathsf{PI}\left(\right)\right) \cdot \left(\frac{1}{180} \cdot angle\right), a \cdot a\right) \]
        10. lower-*.f6482.1

          \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(b \cdot \mathsf{PI}\left(\right)\right) \cdot \left(0.005555555555555556 \cdot \color{blue}{angle}\right), a \cdot a\right) \]
      12. Applied rewrites82.1%

        \[\leadsto \mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(b \cdot \mathsf{PI}\left(\right)\right) \cdot \color{blue}{\left(0.005555555555555556 \cdot angle\right)}, a \cdot a\right) \]
    3. Recombined 2 regimes into one program.
    4. Final simplification67.8%

      \[\leadsto \begin{array}{l} \mathbf{if}\;b \leq 1.05 \cdot 10^{-113}:\\ \;\;\;\;a \cdot a\\ \mathbf{else}:\\ \;\;\;\;\mathsf{fma}\left(\left(\left(b \cdot \mathsf{PI}\left(\right)\right) \cdot angle\right) \cdot 0.005555555555555556, \left(b \cdot \mathsf{PI}\left(\right)\right) \cdot \left(0.005555555555555556 \cdot angle\right), a \cdot a\right)\\ \end{array} \]
    5. Add Preprocessing

    Alternative 11: 57.5% accurate, 74.7× speedup?

    \[\begin{array}{l} \\ a \cdot a \end{array} \]
    (FPCore (a b angle) :precision binary64 (* a a))
    double code(double a, double b, double angle) {
    	return a * a;
    }
    
    module fmin_fmax_functions
        implicit none
        private
        public fmax
        public fmin
    
        interface fmax
            module procedure fmax88
            module procedure fmax44
            module procedure fmax84
            module procedure fmax48
        end interface
        interface fmin
            module procedure fmin88
            module procedure fmin44
            module procedure fmin84
            module procedure fmin48
        end interface
    contains
        real(8) function fmax88(x, y) result (res)
            real(8), intent (in) :: x
            real(8), intent (in) :: y
            res = merge(y, merge(x, max(x, y), y /= y), x /= x)
        end function
        real(4) function fmax44(x, y) result (res)
            real(4), intent (in) :: x
            real(4), intent (in) :: y
            res = merge(y, merge(x, max(x, y), y /= y), x /= x)
        end function
        real(8) function fmax84(x, y) result(res)
            real(8), intent (in) :: x
            real(4), intent (in) :: y
            res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
        end function
        real(8) function fmax48(x, y) result(res)
            real(4), intent (in) :: x
            real(8), intent (in) :: y
            res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
        end function
        real(8) function fmin88(x, y) result (res)
            real(8), intent (in) :: x
            real(8), intent (in) :: y
            res = merge(y, merge(x, min(x, y), y /= y), x /= x)
        end function
        real(4) function fmin44(x, y) result (res)
            real(4), intent (in) :: x
            real(4), intent (in) :: y
            res = merge(y, merge(x, min(x, y), y /= y), x /= x)
        end function
        real(8) function fmin84(x, y) result(res)
            real(8), intent (in) :: x
            real(4), intent (in) :: y
            res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
        end function
        real(8) function fmin48(x, y) result(res)
            real(4), intent (in) :: x
            real(8), intent (in) :: y
            res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
        end function
    end module
    
    real(8) function code(a, b, angle)
    use fmin_fmax_functions
        real(8), intent (in) :: a
        real(8), intent (in) :: b
        real(8), intent (in) :: angle
        code = a * a
    end function
    
    public static double code(double a, double b, double angle) {
    	return a * a;
    }
    
    def code(a, b, angle):
    	return a * a
    
    function code(a, b, angle)
    	return Float64(a * a)
    end
    
    function tmp = code(a, b, angle)
    	tmp = a * a;
    end
    
    code[a_, b_, angle_] := N[(a * a), $MachinePrecision]
    
    \begin{array}{l}
    
    \\
    a \cdot a
    \end{array}
    
    Derivation
    1. Initial program 80.1%

      \[{\left(a \cdot \cos \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\mathsf{PI}\left(\right) \cdot \frac{angle}{180}\right)\right)}^{2} \]
    2. Add Preprocessing
    3. Taylor expanded in angle around 0

      \[\leadsto \color{blue}{{a}^{2}} \]
    4. Step-by-step derivation
      1. unpow2N/A

        \[\leadsto a \cdot \color{blue}{a} \]
      2. lower-*.f6452.8

        \[\leadsto a \cdot \color{blue}{a} \]
    5. Applied rewrites52.8%

      \[\leadsto \color{blue}{a \cdot a} \]
    6. Add Preprocessing

    Reproduce

    ?
    herbie shell --seed 2025051 
    (FPCore (a b angle)
      :name "ab-angle->ABCF C"
      :precision binary64
      (+ (pow (* a (cos (* (PI) (/ angle 180.0)))) 2.0) (pow (* b (sin (* (PI) (/ angle 180.0)))) 2.0)))