UniformSampleCone 2

Percentage Accurate: 99.0% → 99.0%
Time: 19.7s
Alternatives: 13
Speedup: 1.0×

Specification

?
\[\left(\left(\left(\left(\left(-10000 \leq xi \land xi \leq 10000\right) \land \left(-10000 \leq yi \land yi \leq 10000\right)\right) \land \left(-10000 \leq zi \land zi \leq 10000\right)\right) \land \left(2.328306437 \cdot 10^{-10} \leq ux \land ux \leq 1\right)\right) \land \left(2.328306437 \cdot 10^{-10} \leq uy \land uy \leq 1\right)\right) \land \left(0 \leq maxCos \land maxCos \leq 1\right)\]
\[\begin{array}{l} \\ \begin{array}{l} t_0 := \left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\\ t_1 := \sqrt{1 - t\_0 \cdot t\_0}\\ t_2 := \left(uy \cdot 2\right) \cdot \pi\\ \left(\left(\cos t\_2 \cdot t\_1\right) \cdot xi + \left(\sin t\_2 \cdot t\_1\right) \cdot yi\right) + t\_0 \cdot zi \end{array} \end{array} \]
(FPCore (xi yi zi ux uy maxCos)
 :precision binary32
 (let* ((t_0 (* (* (- 1.0 ux) maxCos) ux))
        (t_1 (sqrt (- 1.0 (* t_0 t_0))))
        (t_2 (* (* uy 2.0) PI)))
   (+ (+ (* (* (cos t_2) t_1) xi) (* (* (sin t_2) t_1) yi)) (* t_0 zi))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
	float t_0 = ((1.0f - ux) * maxCos) * ux;
	float t_1 = sqrtf((1.0f - (t_0 * t_0)));
	float t_2 = (uy * 2.0f) * ((float) M_PI);
	return (((cosf(t_2) * t_1) * xi) + ((sinf(t_2) * t_1) * yi)) + (t_0 * zi);
}
function code(xi, yi, zi, ux, uy, maxCos)
	t_0 = Float32(Float32(Float32(Float32(1.0) - ux) * maxCos) * ux)
	t_1 = sqrt(Float32(Float32(1.0) - Float32(t_0 * t_0)))
	t_2 = Float32(Float32(uy * Float32(2.0)) * Float32(pi))
	return Float32(Float32(Float32(Float32(cos(t_2) * t_1) * xi) + Float32(Float32(sin(t_2) * t_1) * yi)) + Float32(t_0 * zi))
end
function tmp = code(xi, yi, zi, ux, uy, maxCos)
	t_0 = ((single(1.0) - ux) * maxCos) * ux;
	t_1 = sqrt((single(1.0) - (t_0 * t_0)));
	t_2 = (uy * single(2.0)) * single(pi);
	tmp = (((cos(t_2) * t_1) * xi) + ((sin(t_2) * t_1) * yi)) + (t_0 * zi);
end
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\\
t_1 := \sqrt{1 - t\_0 \cdot t\_0}\\
t_2 := \left(uy \cdot 2\right) \cdot \pi\\
\left(\left(\cos t\_2 \cdot t\_1\right) \cdot xi + \left(\sin t\_2 \cdot t\_1\right) \cdot yi\right) + t\_0 \cdot zi
\end{array}
\end{array}

Sampling outcomes in binary32 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 13 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: 99.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\\ t_1 := \sqrt{1 - t\_0 \cdot t\_0}\\ t_2 := \left(uy \cdot 2\right) \cdot \pi\\ \left(\left(\cos t\_2 \cdot t\_1\right) \cdot xi + \left(\sin t\_2 \cdot t\_1\right) \cdot yi\right) + t\_0 \cdot zi \end{array} \end{array} \]
(FPCore (xi yi zi ux uy maxCos)
 :precision binary32
 (let* ((t_0 (* (* (- 1.0 ux) maxCos) ux))
        (t_1 (sqrt (- 1.0 (* t_0 t_0))))
        (t_2 (* (* uy 2.0) PI)))
   (+ (+ (* (* (cos t_2) t_1) xi) (* (* (sin t_2) t_1) yi)) (* t_0 zi))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
	float t_0 = ((1.0f - ux) * maxCos) * ux;
	float t_1 = sqrtf((1.0f - (t_0 * t_0)));
	float t_2 = (uy * 2.0f) * ((float) M_PI);
	return (((cosf(t_2) * t_1) * xi) + ((sinf(t_2) * t_1) * yi)) + (t_0 * zi);
}
function code(xi, yi, zi, ux, uy, maxCos)
	t_0 = Float32(Float32(Float32(Float32(1.0) - ux) * maxCos) * ux)
	t_1 = sqrt(Float32(Float32(1.0) - Float32(t_0 * t_0)))
	t_2 = Float32(Float32(uy * Float32(2.0)) * Float32(pi))
	return Float32(Float32(Float32(Float32(cos(t_2) * t_1) * xi) + Float32(Float32(sin(t_2) * t_1) * yi)) + Float32(t_0 * zi))
end
function tmp = code(xi, yi, zi, ux, uy, maxCos)
	t_0 = ((single(1.0) - ux) * maxCos) * ux;
	t_1 = sqrt((single(1.0) - (t_0 * t_0)));
	t_2 = (uy * single(2.0)) * single(pi);
	tmp = (((cos(t_2) * t_1) * xi) + ((sin(t_2) * t_1) * yi)) + (t_0 * zi);
end
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\\
t_1 := \sqrt{1 - t\_0 \cdot t\_0}\\
t_2 := \left(uy \cdot 2\right) \cdot \pi\\
\left(\left(\cos t\_2 \cdot t\_1\right) \cdot xi + \left(\sin t\_2 \cdot t\_1\right) \cdot yi\right) + t\_0 \cdot zi
\end{array}
\end{array}

Alternative 1: 99.0% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := uy \cdot \left(2 \cdot \pi\right)\\ t_1 := \sqrt{1 + \left(\left(1 - ux\right) \cdot \left(ux \cdot maxCos\right)\right) \cdot \left(\left(ux + -1\right) \cdot \left(ux \cdot maxCos\right)\right)}\\ \mathsf{fma}\left(\cos t\_0, t\_1 \cdot xi, \mathsf{fma}\left(\sin t\_0, t\_1 \cdot yi, \left(1 - ux\right) \cdot \left(zi \cdot \left(ux \cdot maxCos\right)\right)\right)\right) \end{array} \end{array} \]
(FPCore (xi yi zi ux uy maxCos)
 :precision binary32
 (let* ((t_0 (* uy (* 2.0 PI)))
        (t_1
         (sqrt
          (+
           1.0
           (* (* (- 1.0 ux) (* ux maxCos)) (* (+ ux -1.0) (* ux maxCos)))))))
   (fma
    (cos t_0)
    (* t_1 xi)
    (fma (sin t_0) (* t_1 yi) (* (- 1.0 ux) (* zi (* ux maxCos)))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
	float t_0 = uy * (2.0f * ((float) M_PI));
	float t_1 = sqrtf((1.0f + (((1.0f - ux) * (ux * maxCos)) * ((ux + -1.0f) * (ux * maxCos)))));
	return fmaf(cosf(t_0), (t_1 * xi), fmaf(sinf(t_0), (t_1 * yi), ((1.0f - ux) * (zi * (ux * maxCos)))));
}
function code(xi, yi, zi, ux, uy, maxCos)
	t_0 = Float32(uy * Float32(Float32(2.0) * Float32(pi)))
	t_1 = sqrt(Float32(Float32(1.0) + Float32(Float32(Float32(Float32(1.0) - ux) * Float32(ux * maxCos)) * Float32(Float32(ux + Float32(-1.0)) * Float32(ux * maxCos)))))
	return fma(cos(t_0), Float32(t_1 * xi), fma(sin(t_0), Float32(t_1 * yi), Float32(Float32(Float32(1.0) - ux) * Float32(zi * Float32(ux * maxCos)))))
end
\begin{array}{l}

\\
\begin{array}{l}
t_0 := uy \cdot \left(2 \cdot \pi\right)\\
t_1 := \sqrt{1 + \left(\left(1 - ux\right) \cdot \left(ux \cdot maxCos\right)\right) \cdot \left(\left(ux + -1\right) \cdot \left(ux \cdot maxCos\right)\right)}\\
\mathsf{fma}\left(\cos t\_0, t\_1 \cdot xi, \mathsf{fma}\left(\sin t\_0, t\_1 \cdot yi, \left(1 - ux\right) \cdot \left(zi \cdot \left(ux \cdot maxCos\right)\right)\right)\right)
\end{array}
\end{array}
Derivation
  1. Initial program 99.0%

    \[\left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  2. Step-by-step derivation
    1. associate-+l+99.0%

      \[\leadsto \color{blue}{\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi\right)} \]
    2. associate-*l*99.0%

      \[\leadsto \color{blue}{\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \left(\sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)} \cdot xi\right)} + \left(\left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi\right) \]
    3. fma-define99.0%

      \[\leadsto \color{blue}{\mathsf{fma}\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right), \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)} \cdot xi, \left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi\right)} \]
  3. Simplified99.0%

    \[\leadsto \color{blue}{\mathsf{fma}\left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right), \sqrt{1 - \left(\left(1 - ux\right) \cdot \left(ux \cdot maxCos\right)\right) \cdot \left(\left(1 - ux\right) \cdot \left(ux \cdot maxCos\right)\right)} \cdot xi, \mathsf{fma}\left(\sin \left(uy \cdot \left(2 \cdot \pi\right)\right), \sqrt{1 - \left(\left(1 - ux\right) \cdot \left(ux \cdot maxCos\right)\right) \cdot \left(\left(1 - ux\right) \cdot \left(ux \cdot maxCos\right)\right)} \cdot yi, \left(1 - ux\right) \cdot \left(\left(ux \cdot maxCos\right) \cdot zi\right)\right)\right)} \]
  4. Add Preprocessing
  5. Final simplification99.0%

    \[\leadsto \mathsf{fma}\left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right), \sqrt{1 + \left(\left(1 - ux\right) \cdot \left(ux \cdot maxCos\right)\right) \cdot \left(\left(ux + -1\right) \cdot \left(ux \cdot maxCos\right)\right)} \cdot xi, \mathsf{fma}\left(\sin \left(uy \cdot \left(2 \cdot \pi\right)\right), \sqrt{1 + \left(\left(1 - ux\right) \cdot \left(ux \cdot maxCos\right)\right) \cdot \left(\left(ux + -1\right) \cdot \left(ux \cdot maxCos\right)\right)} \cdot yi, \left(1 - ux\right) \cdot \left(zi \cdot \left(ux \cdot maxCos\right)\right)\right)\right) \]
  6. Add Preprocessing

Alternative 2: 99.0% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \left(1 - ux\right) \cdot maxCos\\ t_1 := \pi \cdot \left(uy \cdot 2\right)\\ \mathsf{fma}\left(t\_0, ux \cdot zi, \sqrt{1 + t\_0 \cdot \left(\left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(ux \cdot ux\right)\right)} \cdot \mathsf{fma}\left(\sin t\_1, yi, xi \cdot \cos t\_1\right)\right) \end{array} \end{array} \]
(FPCore (xi yi zi ux uy maxCos)
 :precision binary32
 (let* ((t_0 (* (- 1.0 ux) maxCos)) (t_1 (* PI (* uy 2.0))))
   (fma
    t_0
    (* ux zi)
    (*
     (sqrt (+ 1.0 (* t_0 (* (* maxCos (+ ux -1.0)) (* ux ux)))))
     (fma (sin t_1) yi (* xi (cos t_1)))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
	float t_0 = (1.0f - ux) * maxCos;
	float t_1 = ((float) M_PI) * (uy * 2.0f);
	return fmaf(t_0, (ux * zi), (sqrtf((1.0f + (t_0 * ((maxCos * (ux + -1.0f)) * (ux * ux))))) * fmaf(sinf(t_1), yi, (xi * cosf(t_1)))));
}
function code(xi, yi, zi, ux, uy, maxCos)
	t_0 = Float32(Float32(Float32(1.0) - ux) * maxCos)
	t_1 = Float32(Float32(pi) * Float32(uy * Float32(2.0)))
	return fma(t_0, Float32(ux * zi), Float32(sqrt(Float32(Float32(1.0) + Float32(t_0 * Float32(Float32(maxCos * Float32(ux + Float32(-1.0))) * Float32(ux * ux))))) * fma(sin(t_1), yi, Float32(xi * cos(t_1)))))
end
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \left(1 - ux\right) \cdot maxCos\\
t_1 := \pi \cdot \left(uy \cdot 2\right)\\
\mathsf{fma}\left(t\_0, ux \cdot zi, \sqrt{1 + t\_0 \cdot \left(\left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(ux \cdot ux\right)\right)} \cdot \mathsf{fma}\left(\sin t\_1, yi, xi \cdot \cos t\_1\right)\right)
\end{array}
\end{array}
Derivation
  1. Initial program 99.0%

    \[\left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  2. Simplified99.0%

    \[\leadsto \color{blue}{\mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \sin \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot yi\right)\right)} \]
  3. Add Preprocessing
  4. Step-by-step derivation
    1. add-exp-log47.3%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \color{blue}{e^{\log \left(\sin \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot yi\right)}}\right)\right) \]
    2. *-commutative47.3%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + e^{\log \color{blue}{\left(yi \cdot \sin \left(uy \cdot \left(2 \cdot \pi\right)\right)\right)}}\right)\right) \]
    3. associate-*r*47.3%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + e^{\log \left(yi \cdot \sin \color{blue}{\left(\left(uy \cdot 2\right) \cdot \pi\right)}\right)}\right)\right) \]
  5. Applied egg-rr47.3%

    \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \color{blue}{e^{\log \left(yi \cdot \sin \left(\left(uy \cdot 2\right) \cdot \pi\right)\right)}}\right)\right) \]
  6. Step-by-step derivation
    1. +-commutative47.3%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \color{blue}{\left(e^{\log \left(yi \cdot \sin \left(\left(uy \cdot 2\right) \cdot \pi\right)\right)} + \cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi\right)}\right) \]
    2. rem-exp-log99.0%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\color{blue}{yi \cdot \sin \left(\left(uy \cdot 2\right) \cdot \pi\right)} + \cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi\right)\right) \]
    3. *-commutative99.0%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\color{blue}{\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot yi} + \cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi\right)\right) \]
    4. fma-define99.0%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \color{blue}{\mathsf{fma}\left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right), yi, \cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi\right)}\right) \]
    5. *-commutative99.0%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \mathsf{fma}\left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right), yi, \color{blue}{xi \cdot \cos \left(uy \cdot \left(2 \cdot \pi\right)\right)}\right)\right) \]
    6. associate-*r*99.0%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \mathsf{fma}\left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right), yi, xi \cdot \cos \color{blue}{\left(\left(uy \cdot 2\right) \cdot \pi\right)}\right)\right) \]
  7. Applied egg-rr99.0%

    \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \color{blue}{\mathsf{fma}\left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right), yi, xi \cdot \cos \left(\left(uy \cdot 2\right) \cdot \pi\right)\right)}\right) \]
  8. Final simplification99.0%

    \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 + \left(\left(1 - ux\right) \cdot maxCos\right) \cdot \left(\left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(ux \cdot ux\right)\right)} \cdot \mathsf{fma}\left(\sin \left(\pi \cdot \left(uy \cdot 2\right)\right), yi, xi \cdot \cos \left(\pi \cdot \left(uy \cdot 2\right)\right)\right)\right) \]
  9. Add Preprocessing

Alternative 3: 99.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\\ t_1 := \sqrt{1 + t\_0 \cdot \left(ux \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)}\\ t_2 := \pi \cdot \left(uy \cdot 2\right)\\ \left(xi \cdot \left(\cos t\_2 \cdot t\_1\right) + yi \cdot \left(\sin t\_2 \cdot t\_1\right)\right) + zi \cdot t\_0 \end{array} \end{array} \]
(FPCore (xi yi zi ux uy maxCos)
 :precision binary32
 (let* ((t_0 (* ux (* (- 1.0 ux) maxCos)))
        (t_1 (sqrt (+ 1.0 (* t_0 (* ux (* maxCos (+ ux -1.0)))))))
        (t_2 (* PI (* uy 2.0))))
   (+ (+ (* xi (* (cos t_2) t_1)) (* yi (* (sin t_2) t_1))) (* zi t_0))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
	float t_0 = ux * ((1.0f - ux) * maxCos);
	float t_1 = sqrtf((1.0f + (t_0 * (ux * (maxCos * (ux + -1.0f))))));
	float t_2 = ((float) M_PI) * (uy * 2.0f);
	return ((xi * (cosf(t_2) * t_1)) + (yi * (sinf(t_2) * t_1))) + (zi * t_0);
}
function code(xi, yi, zi, ux, uy, maxCos)
	t_0 = Float32(ux * Float32(Float32(Float32(1.0) - ux) * maxCos))
	t_1 = sqrt(Float32(Float32(1.0) + Float32(t_0 * Float32(ux * Float32(maxCos * Float32(ux + Float32(-1.0)))))))
	t_2 = Float32(Float32(pi) * Float32(uy * Float32(2.0)))
	return Float32(Float32(Float32(xi * Float32(cos(t_2) * t_1)) + Float32(yi * Float32(sin(t_2) * t_1))) + Float32(zi * t_0))
end
function tmp = code(xi, yi, zi, ux, uy, maxCos)
	t_0 = ux * ((single(1.0) - ux) * maxCos);
	t_1 = sqrt((single(1.0) + (t_0 * (ux * (maxCos * (ux + single(-1.0)))))));
	t_2 = single(pi) * (uy * single(2.0));
	tmp = ((xi * (cos(t_2) * t_1)) + (yi * (sin(t_2) * t_1))) + (zi * t_0);
end
\begin{array}{l}

\\
\begin{array}{l}
t_0 := ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\\
t_1 := \sqrt{1 + t\_0 \cdot \left(ux \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)}\\
t_2 := \pi \cdot \left(uy \cdot 2\right)\\
\left(xi \cdot \left(\cos t\_2 \cdot t\_1\right) + yi \cdot \left(\sin t\_2 \cdot t\_1\right)\right) + zi \cdot t\_0
\end{array}
\end{array}
Derivation
  1. Initial program 99.0%

    \[\left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  2. Add Preprocessing
  3. Final simplification99.0%

    \[\leadsto \left(xi \cdot \left(\cos \left(\pi \cdot \left(uy \cdot 2\right)\right) \cdot \sqrt{1 + \left(ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\right) \cdot \left(ux \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)}\right) + yi \cdot \left(\sin \left(\pi \cdot \left(uy \cdot 2\right)\right) \cdot \sqrt{1 + \left(ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\right) \cdot \left(ux \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)}\right)\right) + zi \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\right) \]
  4. Add Preprocessing

Alternative 4: 99.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \left(1 - ux\right) \cdot maxCos\\ t_1 := uy \cdot \left(2 \cdot \pi\right)\\ \mathsf{fma}\left(t\_0, ux \cdot zi, \sqrt{1 + t\_0 \cdot \left(\left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(ux \cdot ux\right)\right)} \cdot \left(\cos t\_1 \cdot xi + \sin t\_1 \cdot yi\right)\right) \end{array} \end{array} \]
(FPCore (xi yi zi ux uy maxCos)
 :precision binary32
 (let* ((t_0 (* (- 1.0 ux) maxCos)) (t_1 (* uy (* 2.0 PI))))
   (fma
    t_0
    (* ux zi)
    (*
     (sqrt (+ 1.0 (* t_0 (* (* maxCos (+ ux -1.0)) (* ux ux)))))
     (+ (* (cos t_1) xi) (* (sin t_1) yi))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
	float t_0 = (1.0f - ux) * maxCos;
	float t_1 = uy * (2.0f * ((float) M_PI));
	return fmaf(t_0, (ux * zi), (sqrtf((1.0f + (t_0 * ((maxCos * (ux + -1.0f)) * (ux * ux))))) * ((cosf(t_1) * xi) + (sinf(t_1) * yi))));
}
function code(xi, yi, zi, ux, uy, maxCos)
	t_0 = Float32(Float32(Float32(1.0) - ux) * maxCos)
	t_1 = Float32(uy * Float32(Float32(2.0) * Float32(pi)))
	return fma(t_0, Float32(ux * zi), Float32(sqrt(Float32(Float32(1.0) + Float32(t_0 * Float32(Float32(maxCos * Float32(ux + Float32(-1.0))) * Float32(ux * ux))))) * Float32(Float32(cos(t_1) * xi) + Float32(sin(t_1) * yi))))
end
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \left(1 - ux\right) \cdot maxCos\\
t_1 := uy \cdot \left(2 \cdot \pi\right)\\
\mathsf{fma}\left(t\_0, ux \cdot zi, \sqrt{1 + t\_0 \cdot \left(\left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(ux \cdot ux\right)\right)} \cdot \left(\cos t\_1 \cdot xi + \sin t\_1 \cdot yi\right)\right)
\end{array}
\end{array}
Derivation
  1. Initial program 99.0%

    \[\left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  2. Simplified99.0%

    \[\leadsto \color{blue}{\mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \sin \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot yi\right)\right)} \]
  3. Add Preprocessing
  4. Final simplification99.0%

    \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 + \left(\left(1 - ux\right) \cdot maxCos\right) \cdot \left(\left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(ux \cdot ux\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \sin \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot yi\right)\right) \]
  5. Add Preprocessing

Alternative 5: 98.9% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \mathsf{fma}\left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right), \sqrt{1 + \left(\left(1 - ux\right) \cdot \left(ux \cdot maxCos\right)\right) \cdot \left(\left(ux + -1\right) \cdot \left(ux \cdot maxCos\right)\right)} \cdot xi, maxCos \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot zi\right)\right) + yi \cdot \sin \left(2 \cdot \left(uy \cdot \pi\right)\right)\right) \end{array} \]
(FPCore (xi yi zi ux uy maxCos)
 :precision binary32
 (fma
  (cos (* uy (* 2.0 PI)))
  (*
   (sqrt
    (+ 1.0 (* (* (- 1.0 ux) (* ux maxCos)) (* (+ ux -1.0) (* ux maxCos)))))
   xi)
  (+ (* maxCos (* ux (* (- 1.0 ux) zi))) (* yi (sin (* 2.0 (* uy PI)))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
	return fmaf(cosf((uy * (2.0f * ((float) M_PI)))), (sqrtf((1.0f + (((1.0f - ux) * (ux * maxCos)) * ((ux + -1.0f) * (ux * maxCos))))) * xi), ((maxCos * (ux * ((1.0f - ux) * zi))) + (yi * sinf((2.0f * (uy * ((float) M_PI)))))));
}
function code(xi, yi, zi, ux, uy, maxCos)
	return fma(cos(Float32(uy * Float32(Float32(2.0) * Float32(pi)))), Float32(sqrt(Float32(Float32(1.0) + Float32(Float32(Float32(Float32(1.0) - ux) * Float32(ux * maxCos)) * Float32(Float32(ux + Float32(-1.0)) * Float32(ux * maxCos))))) * xi), Float32(Float32(maxCos * Float32(ux * Float32(Float32(Float32(1.0) - ux) * zi))) + Float32(yi * sin(Float32(Float32(2.0) * Float32(uy * Float32(pi)))))))
end
\begin{array}{l}

\\
\mathsf{fma}\left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right), \sqrt{1 + \left(\left(1 - ux\right) \cdot \left(ux \cdot maxCos\right)\right) \cdot \left(\left(ux + -1\right) \cdot \left(ux \cdot maxCos\right)\right)} \cdot xi, maxCos \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot zi\right)\right) + yi \cdot \sin \left(2 \cdot \left(uy \cdot \pi\right)\right)\right)
\end{array}
Derivation
  1. Initial program 99.0%

    \[\left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  2. Step-by-step derivation
    1. associate-+l+99.0%

      \[\leadsto \color{blue}{\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi\right)} \]
    2. associate-*l*99.0%

      \[\leadsto \color{blue}{\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \left(\sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)} \cdot xi\right)} + \left(\left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi\right) \]
    3. fma-define99.0%

      \[\leadsto \color{blue}{\mathsf{fma}\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right), \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)} \cdot xi, \left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi\right)} \]
  3. Simplified99.0%

    \[\leadsto \color{blue}{\mathsf{fma}\left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right), \sqrt{1 - \left(\left(1 - ux\right) \cdot \left(ux \cdot maxCos\right)\right) \cdot \left(\left(1 - ux\right) \cdot \left(ux \cdot maxCos\right)\right)} \cdot xi, \mathsf{fma}\left(\sin \left(uy \cdot \left(2 \cdot \pi\right)\right), \sqrt{1 - \left(\left(1 - ux\right) \cdot \left(ux \cdot maxCos\right)\right) \cdot \left(\left(1 - ux\right) \cdot \left(ux \cdot maxCos\right)\right)} \cdot yi, \left(1 - ux\right) \cdot \left(\left(ux \cdot maxCos\right) \cdot zi\right)\right)\right)} \]
  4. Add Preprocessing
  5. Taylor expanded in maxCos around 0 98.8%

    \[\leadsto \mathsf{fma}\left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right), \sqrt{1 - \left(\left(1 - ux\right) \cdot \left(ux \cdot maxCos\right)\right) \cdot \left(\left(1 - ux\right) \cdot \left(ux \cdot maxCos\right)\right)} \cdot xi, \color{blue}{maxCos \cdot \left(ux \cdot \left(zi \cdot \left(1 - ux\right)\right)\right) + yi \cdot \sin \left(2 \cdot \left(uy \cdot \pi\right)\right)}\right) \]
  6. Final simplification98.8%

    \[\leadsto \mathsf{fma}\left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right), \sqrt{1 + \left(\left(1 - ux\right) \cdot \left(ux \cdot maxCos\right)\right) \cdot \left(\left(ux + -1\right) \cdot \left(ux \cdot maxCos\right)\right)} \cdot xi, maxCos \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot zi\right)\right) + yi \cdot \sin \left(2 \cdot \left(uy \cdot \pi\right)\right)\right) \]
  7. Add Preprocessing

Alternative 6: 98.9% accurate, 1.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\\ zi \cdot t\_0 + \left(xi \cdot \left(\cos \left(\pi \cdot \left(uy \cdot 2\right)\right) \cdot \sqrt{1 + t\_0 \cdot \left(ux \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)}\right) + yi \cdot \sin \left(2 \cdot \left(uy \cdot \pi\right)\right)\right) \end{array} \end{array} \]
(FPCore (xi yi zi ux uy maxCos)
 :precision binary32
 (let* ((t_0 (* ux (* (- 1.0 ux) maxCos))))
   (+
    (* zi t_0)
    (+
     (*
      xi
      (*
       (cos (* PI (* uy 2.0)))
       (sqrt (+ 1.0 (* t_0 (* ux (* maxCos (+ ux -1.0))))))))
     (* yi (sin (* 2.0 (* uy PI))))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
	float t_0 = ux * ((1.0f - ux) * maxCos);
	return (zi * t_0) + ((xi * (cosf((((float) M_PI) * (uy * 2.0f))) * sqrtf((1.0f + (t_0 * (ux * (maxCos * (ux + -1.0f)))))))) + (yi * sinf((2.0f * (uy * ((float) M_PI))))));
}
function code(xi, yi, zi, ux, uy, maxCos)
	t_0 = Float32(ux * Float32(Float32(Float32(1.0) - ux) * maxCos))
	return Float32(Float32(zi * t_0) + Float32(Float32(xi * Float32(cos(Float32(Float32(pi) * Float32(uy * Float32(2.0)))) * sqrt(Float32(Float32(1.0) + Float32(t_0 * Float32(ux * Float32(maxCos * Float32(ux + Float32(-1.0))))))))) + Float32(yi * sin(Float32(Float32(2.0) * Float32(uy * Float32(pi)))))))
end
function tmp = code(xi, yi, zi, ux, uy, maxCos)
	t_0 = ux * ((single(1.0) - ux) * maxCos);
	tmp = (zi * t_0) + ((xi * (cos((single(pi) * (uy * single(2.0)))) * sqrt((single(1.0) + (t_0 * (ux * (maxCos * (ux + single(-1.0))))))))) + (yi * sin((single(2.0) * (uy * single(pi))))));
end
\begin{array}{l}

\\
\begin{array}{l}
t_0 := ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\\
zi \cdot t\_0 + \left(xi \cdot \left(\cos \left(\pi \cdot \left(uy \cdot 2\right)\right) \cdot \sqrt{1 + t\_0 \cdot \left(ux \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)}\right) + yi \cdot \sin \left(2 \cdot \left(uy \cdot \pi\right)\right)\right)
\end{array}
\end{array}
Derivation
  1. Initial program 99.0%

    \[\left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  2. Add Preprocessing
  3. Taylor expanded in ux around 0 98.8%

    \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \color{blue}{yi \cdot \sin \left(2 \cdot \left(uy \cdot \pi\right)\right)}\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  4. Final simplification98.8%

    \[\leadsto zi \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\right) + \left(xi \cdot \left(\cos \left(\pi \cdot \left(uy \cdot 2\right)\right) \cdot \sqrt{1 + \left(ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\right) \cdot \left(ux \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)}\right) + yi \cdot \sin \left(2 \cdot \left(uy \cdot \pi\right)\right)\right) \]
  5. Add Preprocessing

Alternative 7: 98.8% accurate, 2.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := 2 \cdot \left(uy \cdot \pi\right)\\ maxCos \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot zi\right)\right) + \left(yi \cdot \sin t\_0 + xi \cdot \cos t\_0\right) \end{array} \end{array} \]
(FPCore (xi yi zi ux uy maxCos)
 :precision binary32
 (let* ((t_0 (* 2.0 (* uy PI))))
   (+
    (* maxCos (* ux (* (- 1.0 ux) zi)))
    (+ (* yi (sin t_0)) (* xi (cos t_0))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
	float t_0 = 2.0f * (uy * ((float) M_PI));
	return (maxCos * (ux * ((1.0f - ux) * zi))) + ((yi * sinf(t_0)) + (xi * cosf(t_0)));
}
function code(xi, yi, zi, ux, uy, maxCos)
	t_0 = Float32(Float32(2.0) * Float32(uy * Float32(pi)))
	return Float32(Float32(maxCos * Float32(ux * Float32(Float32(Float32(1.0) - ux) * zi))) + Float32(Float32(yi * sin(t_0)) + Float32(xi * cos(t_0))))
end
function tmp = code(xi, yi, zi, ux, uy, maxCos)
	t_0 = single(2.0) * (uy * single(pi));
	tmp = (maxCos * (ux * ((single(1.0) - ux) * zi))) + ((yi * sin(t_0)) + (xi * cos(t_0)));
end
\begin{array}{l}

\\
\begin{array}{l}
t_0 := 2 \cdot \left(uy \cdot \pi\right)\\
maxCos \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot zi\right)\right) + \left(yi \cdot \sin t\_0 + xi \cdot \cos t\_0\right)
\end{array}
\end{array}
Derivation
  1. Initial program 99.0%

    \[\left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  2. Simplified99.0%

    \[\leadsto \color{blue}{\mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \sin \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot yi\right)\right)} \]
  3. Add Preprocessing
  4. Step-by-step derivation
    1. expm1-log1p-u98.6%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \sin \left(uy \cdot \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(2 \cdot \pi\right)\right)}\right) \cdot yi\right)\right) \]
    2. expm1-undefine98.6%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \sin \left(uy \cdot \color{blue}{\left(e^{\mathsf{log1p}\left(2 \cdot \pi\right)} - 1\right)}\right) \cdot yi\right)\right) \]
  5. Applied egg-rr98.6%

    \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \sin \left(uy \cdot \color{blue}{\left(e^{\mathsf{log1p}\left(2 \cdot \pi\right)} - 1\right)}\right) \cdot yi\right)\right) \]
  6. Step-by-step derivation
    1. expm1-define98.6%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \sin \left(uy \cdot \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(2 \cdot \pi\right)\right)}\right) \cdot yi\right)\right) \]
  7. Simplified98.6%

    \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \sin \left(uy \cdot \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(2 \cdot \pi\right)\right)}\right) \cdot yi\right)\right) \]
  8. Step-by-step derivation
    1. log1p-expm1-u98.6%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \color{blue}{\mathsf{log1p}\left(\mathsf{expm1}\left(\sin \left(uy \cdot \mathsf{expm1}\left(\mathsf{log1p}\left(2 \cdot \pi\right)\right)\right)\right)\right)} \cdot yi\right)\right) \]
    2. *-commutative98.6%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \mathsf{log1p}\left(\mathsf{expm1}\left(\sin \color{blue}{\left(\mathsf{expm1}\left(\mathsf{log1p}\left(2 \cdot \pi\right)\right) \cdot uy\right)}\right)\right) \cdot yi\right)\right) \]
    3. expm1-log1p-u99.0%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \mathsf{log1p}\left(\mathsf{expm1}\left(\sin \left(\color{blue}{\left(2 \cdot \pi\right)} \cdot uy\right)\right)\right) \cdot yi\right)\right) \]
    4. *-commutative99.0%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \mathsf{log1p}\left(\mathsf{expm1}\left(\sin \left(\color{blue}{\left(\pi \cdot 2\right)} \cdot uy\right)\right)\right) \cdot yi\right)\right) \]
    5. associate-*l*99.0%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \mathsf{log1p}\left(\mathsf{expm1}\left(\sin \color{blue}{\left(\pi \cdot \left(2 \cdot uy\right)\right)}\right)\right) \cdot yi\right)\right) \]
  9. Applied egg-rr99.0%

    \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \color{blue}{\mathsf{log1p}\left(\mathsf{expm1}\left(\sin \left(\pi \cdot \left(2 \cdot uy\right)\right)\right)\right)} \cdot yi\right)\right) \]
  10. Taylor expanded in maxCos around 0 98.8%

    \[\leadsto \color{blue}{maxCos \cdot \left(ux \cdot \left(zi \cdot \left(1 - ux\right)\right)\right) + \left(xi \cdot \cos \left(2 \cdot \left(uy \cdot \pi\right)\right) + yi \cdot \sin \left(2 \cdot \left(uy \cdot \pi\right)\right)\right)} \]
  11. Final simplification98.8%

    \[\leadsto maxCos \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot zi\right)\right) + \left(yi \cdot \sin \left(2 \cdot \left(uy \cdot \pi\right)\right) + xi \cdot \cos \left(2 \cdot \left(uy \cdot \pi\right)\right)\right) \]
  12. Add Preprocessing

Alternative 8: 95.8% accurate, 2.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := 2 \cdot \left(uy \cdot \pi\right)\\ \left(yi \cdot \sin t\_0 + xi \cdot \cos t\_0\right) + maxCos \cdot \left(ux \cdot zi\right) \end{array} \end{array} \]
(FPCore (xi yi zi ux uy maxCos)
 :precision binary32
 (let* ((t_0 (* 2.0 (* uy PI))))
   (+ (+ (* yi (sin t_0)) (* xi (cos t_0))) (* maxCos (* ux zi)))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
	float t_0 = 2.0f * (uy * ((float) M_PI));
	return ((yi * sinf(t_0)) + (xi * cosf(t_0))) + (maxCos * (ux * zi));
}
function code(xi, yi, zi, ux, uy, maxCos)
	t_0 = Float32(Float32(2.0) * Float32(uy * Float32(pi)))
	return Float32(Float32(Float32(yi * sin(t_0)) + Float32(xi * cos(t_0))) + Float32(maxCos * Float32(ux * zi)))
end
function tmp = code(xi, yi, zi, ux, uy, maxCos)
	t_0 = single(2.0) * (uy * single(pi));
	tmp = ((yi * sin(t_0)) + (xi * cos(t_0))) + (maxCos * (ux * zi));
end
\begin{array}{l}

\\
\begin{array}{l}
t_0 := 2 \cdot \left(uy \cdot \pi\right)\\
\left(yi \cdot \sin t\_0 + xi \cdot \cos t\_0\right) + maxCos \cdot \left(ux \cdot zi\right)
\end{array}
\end{array}
Derivation
  1. Initial program 99.0%

    \[\left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  2. Simplified99.0%

    \[\leadsto \color{blue}{\mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \sin \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot yi\right)\right)} \]
  3. Add Preprocessing
  4. Step-by-step derivation
    1. expm1-log1p-u98.6%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \sin \left(uy \cdot \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(2 \cdot \pi\right)\right)}\right) \cdot yi\right)\right) \]
    2. expm1-undefine98.6%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \sin \left(uy \cdot \color{blue}{\left(e^{\mathsf{log1p}\left(2 \cdot \pi\right)} - 1\right)}\right) \cdot yi\right)\right) \]
  5. Applied egg-rr98.6%

    \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \sin \left(uy \cdot \color{blue}{\left(e^{\mathsf{log1p}\left(2 \cdot \pi\right)} - 1\right)}\right) \cdot yi\right)\right) \]
  6. Step-by-step derivation
    1. expm1-define98.6%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \sin \left(uy \cdot \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(2 \cdot \pi\right)\right)}\right) \cdot yi\right)\right) \]
  7. Simplified98.6%

    \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \sin \left(uy \cdot \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(2 \cdot \pi\right)\right)}\right) \cdot yi\right)\right) \]
  8. Step-by-step derivation
    1. log1p-expm1-u98.6%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \color{blue}{\mathsf{log1p}\left(\mathsf{expm1}\left(\sin \left(uy \cdot \mathsf{expm1}\left(\mathsf{log1p}\left(2 \cdot \pi\right)\right)\right)\right)\right)} \cdot yi\right)\right) \]
    2. *-commutative98.6%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \mathsf{log1p}\left(\mathsf{expm1}\left(\sin \color{blue}{\left(\mathsf{expm1}\left(\mathsf{log1p}\left(2 \cdot \pi\right)\right) \cdot uy\right)}\right)\right) \cdot yi\right)\right) \]
    3. expm1-log1p-u99.0%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \mathsf{log1p}\left(\mathsf{expm1}\left(\sin \left(\color{blue}{\left(2 \cdot \pi\right)} \cdot uy\right)\right)\right) \cdot yi\right)\right) \]
    4. *-commutative99.0%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \mathsf{log1p}\left(\mathsf{expm1}\left(\sin \left(\color{blue}{\left(\pi \cdot 2\right)} \cdot uy\right)\right)\right) \cdot yi\right)\right) \]
    5. associate-*l*99.0%

      \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \mathsf{log1p}\left(\mathsf{expm1}\left(\sin \color{blue}{\left(\pi \cdot \left(2 \cdot uy\right)\right)}\right)\right) \cdot yi\right)\right) \]
  9. Applied egg-rr99.0%

    \[\leadsto \mathsf{fma}\left(\left(1 - ux\right) \cdot maxCos, ux \cdot zi, \sqrt{1 - \left(maxCos \cdot \left(ux + -1\right)\right) \cdot \left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)} \cdot \left(\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot xi + \color{blue}{\mathsf{log1p}\left(\mathsf{expm1}\left(\sin \left(\pi \cdot \left(2 \cdot uy\right)\right)\right)\right)} \cdot yi\right)\right) \]
  10. Taylor expanded in ux around 0 95.8%

    \[\leadsto \color{blue}{maxCos \cdot \left(ux \cdot zi\right) + \left(xi \cdot \cos \left(2 \cdot \left(uy \cdot \pi\right)\right) + yi \cdot \sin \left(2 \cdot \left(uy \cdot \pi\right)\right)\right)} \]
  11. Final simplification95.8%

    \[\leadsto \left(yi \cdot \sin \left(2 \cdot \left(uy \cdot \pi\right)\right) + xi \cdot \cos \left(2 \cdot \left(uy \cdot \pi\right)\right)\right) + maxCos \cdot \left(ux \cdot zi\right) \]
  12. Add Preprocessing

Alternative 9: 52.3% accurate, 35.5× speedup?

\[\begin{array}{l} \\ xi + zi \cdot \left(ux \cdot \left(ux \cdot \left(\frac{maxCos}{ux} - maxCos\right)\right)\right) \end{array} \]
(FPCore (xi yi zi ux uy maxCos)
 :precision binary32
 (+ xi (* zi (* ux (* ux (- (/ maxCos ux) maxCos))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
	return xi + (zi * (ux * (ux * ((maxCos / ux) - maxCos))));
}
real(4) function code(xi, yi, zi, ux, uy, maxcos)
    real(4), intent (in) :: xi
    real(4), intent (in) :: yi
    real(4), intent (in) :: zi
    real(4), intent (in) :: ux
    real(4), intent (in) :: uy
    real(4), intent (in) :: maxcos
    code = xi + (zi * (ux * (ux * ((maxcos / ux) - maxcos))))
end function
function code(xi, yi, zi, ux, uy, maxCos)
	return Float32(xi + Float32(zi * Float32(ux * Float32(ux * Float32(Float32(maxCos / ux) - maxCos)))))
end
function tmp = code(xi, yi, zi, ux, uy, maxCos)
	tmp = xi + (zi * (ux * (ux * ((maxCos / ux) - maxCos))));
end
\begin{array}{l}

\\
xi + zi \cdot \left(ux \cdot \left(ux \cdot \left(\frac{maxCos}{ux} - maxCos\right)\right)\right)
\end{array}
Derivation
  1. Initial program 99.0%

    \[\left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  2. Add Preprocessing
  3. Step-by-step derivation
    1. associate-*r*99.0%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\sin \color{blue}{\left(uy \cdot \left(2 \cdot \pi\right)\right)} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    2. add-sqr-sqrt95.7%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\color{blue}{\left(\sqrt{\sin \left(uy \cdot \left(2 \cdot \pi\right)\right)} \cdot \sqrt{\sin \left(uy \cdot \left(2 \cdot \pi\right)\right)}\right)} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    3. pow295.7%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\color{blue}{{\left(\sqrt{\sin \left(uy \cdot \left(2 \cdot \pi\right)\right)}\right)}^{2}} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    4. associate-*r*95.7%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left({\left(\sqrt{\sin \color{blue}{\left(\left(uy \cdot 2\right) \cdot \pi\right)}}\right)}^{2} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  4. Applied egg-rr95.7%

    \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\color{blue}{{\left(\sqrt{\sin \left(\left(uy \cdot 2\right) \cdot \pi\right)}\right)}^{2}} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  5. Taylor expanded in uy around 0 54.8%

    \[\leadsto \color{blue}{xi \cdot \sqrt{1 - {maxCos}^{2} \cdot \left({ux}^{2} \cdot {\left(1 - ux\right)}^{2}\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  6. Step-by-step derivation
    1. associate-*r*54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left({maxCos}^{2} \cdot {ux}^{2}\right) \cdot {\left(1 - ux\right)}^{2}}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    2. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\color{blue}{\left(maxCos \cdot maxCos\right)} \cdot {ux}^{2}\right) \cdot {\left(1 - ux\right)}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    3. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\left(maxCos \cdot maxCos\right) \cdot \color{blue}{\left(ux \cdot ux\right)}\right) \cdot {\left(1 - ux\right)}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    4. swap-sqr54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left(\left(maxCos \cdot ux\right) \cdot \left(maxCos \cdot ux\right)\right)} \cdot {\left(1 - ux\right)}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    5. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\left(maxCos \cdot ux\right) \cdot \left(maxCos \cdot ux\right)\right) \cdot \color{blue}{\left(\left(1 - ux\right) \cdot \left(1 - ux\right)\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    6. swap-sqr54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right) \cdot \left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    7. *-commutative54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right)} \cdot \left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    8. *-commutative54.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right) \cdot \color{blue}{\left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    9. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{{\left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right)}^{2}}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    10. *-commutative54.8%

      \[\leadsto xi \cdot \sqrt{1 - {\color{blue}{\left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)}}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  7. Simplified54.8%

    \[\leadsto \color{blue}{xi \cdot \sqrt{1 - {\left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)}^{2}}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  8. Taylor expanded in maxCos around 0 54.8%

    \[\leadsto \color{blue}{xi} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  9. Taylor expanded in ux around inf 54.8%

    \[\leadsto xi + \left(\color{blue}{\left(ux \cdot \left(-1 \cdot maxCos + \frac{maxCos}{ux}\right)\right)} \cdot ux\right) \cdot zi \]
  10. Step-by-step derivation
    1. neg-mul-154.8%

      \[\leadsto xi + \left(\left(ux \cdot \left(\color{blue}{\left(-maxCos\right)} + \frac{maxCos}{ux}\right)\right) \cdot ux\right) \cdot zi \]
    2. +-commutative54.8%

      \[\leadsto xi + \left(\left(ux \cdot \color{blue}{\left(\frac{maxCos}{ux} + \left(-maxCos\right)\right)}\right) \cdot ux\right) \cdot zi \]
    3. unsub-neg54.8%

      \[\leadsto xi + \left(\left(ux \cdot \color{blue}{\left(\frac{maxCos}{ux} - maxCos\right)}\right) \cdot ux\right) \cdot zi \]
  11. Simplified54.8%

    \[\leadsto xi + \left(\color{blue}{\left(ux \cdot \left(\frac{maxCos}{ux} - maxCos\right)\right)} \cdot ux\right) \cdot zi \]
  12. Final simplification54.8%

    \[\leadsto xi + zi \cdot \left(ux \cdot \left(ux \cdot \left(\frac{maxCos}{ux} - maxCos\right)\right)\right) \]
  13. Add Preprocessing

Alternative 10: 52.3% accurate, 41.9× speedup?

\[\begin{array}{l} \\ xi + zi \cdot \left(ux \cdot \left(maxCos - ux \cdot maxCos\right)\right) \end{array} \]
(FPCore (xi yi zi ux uy maxCos)
 :precision binary32
 (+ xi (* zi (* ux (- maxCos (* ux maxCos))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
	return xi + (zi * (ux * (maxCos - (ux * maxCos))));
}
real(4) function code(xi, yi, zi, ux, uy, maxcos)
    real(4), intent (in) :: xi
    real(4), intent (in) :: yi
    real(4), intent (in) :: zi
    real(4), intent (in) :: ux
    real(4), intent (in) :: uy
    real(4), intent (in) :: maxcos
    code = xi + (zi * (ux * (maxcos - (ux * maxcos))))
end function
function code(xi, yi, zi, ux, uy, maxCos)
	return Float32(xi + Float32(zi * Float32(ux * Float32(maxCos - Float32(ux * maxCos)))))
end
function tmp = code(xi, yi, zi, ux, uy, maxCos)
	tmp = xi + (zi * (ux * (maxCos - (ux * maxCos))));
end
\begin{array}{l}

\\
xi + zi \cdot \left(ux \cdot \left(maxCos - ux \cdot maxCos\right)\right)
\end{array}
Derivation
  1. Initial program 99.0%

    \[\left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  2. Add Preprocessing
  3. Step-by-step derivation
    1. associate-*r*99.0%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\sin \color{blue}{\left(uy \cdot \left(2 \cdot \pi\right)\right)} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    2. add-sqr-sqrt95.7%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\color{blue}{\left(\sqrt{\sin \left(uy \cdot \left(2 \cdot \pi\right)\right)} \cdot \sqrt{\sin \left(uy \cdot \left(2 \cdot \pi\right)\right)}\right)} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    3. pow295.7%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\color{blue}{{\left(\sqrt{\sin \left(uy \cdot \left(2 \cdot \pi\right)\right)}\right)}^{2}} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    4. associate-*r*95.7%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left({\left(\sqrt{\sin \color{blue}{\left(\left(uy \cdot 2\right) \cdot \pi\right)}}\right)}^{2} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  4. Applied egg-rr95.7%

    \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\color{blue}{{\left(\sqrt{\sin \left(\left(uy \cdot 2\right) \cdot \pi\right)}\right)}^{2}} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  5. Taylor expanded in uy around 0 54.8%

    \[\leadsto \color{blue}{xi \cdot \sqrt{1 - {maxCos}^{2} \cdot \left({ux}^{2} \cdot {\left(1 - ux\right)}^{2}\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  6. Step-by-step derivation
    1. associate-*r*54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left({maxCos}^{2} \cdot {ux}^{2}\right) \cdot {\left(1 - ux\right)}^{2}}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    2. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\color{blue}{\left(maxCos \cdot maxCos\right)} \cdot {ux}^{2}\right) \cdot {\left(1 - ux\right)}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    3. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\left(maxCos \cdot maxCos\right) \cdot \color{blue}{\left(ux \cdot ux\right)}\right) \cdot {\left(1 - ux\right)}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    4. swap-sqr54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left(\left(maxCos \cdot ux\right) \cdot \left(maxCos \cdot ux\right)\right)} \cdot {\left(1 - ux\right)}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    5. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\left(maxCos \cdot ux\right) \cdot \left(maxCos \cdot ux\right)\right) \cdot \color{blue}{\left(\left(1 - ux\right) \cdot \left(1 - ux\right)\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    6. swap-sqr54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right) \cdot \left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    7. *-commutative54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right)} \cdot \left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    8. *-commutative54.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right) \cdot \color{blue}{\left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    9. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{{\left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right)}^{2}}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    10. *-commutative54.8%

      \[\leadsto xi \cdot \sqrt{1 - {\color{blue}{\left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)}}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  7. Simplified54.8%

    \[\leadsto \color{blue}{xi \cdot \sqrt{1 - {\left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)}^{2}}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  8. Taylor expanded in maxCos around 0 54.8%

    \[\leadsto \color{blue}{xi} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  9. Taylor expanded in ux around 0 54.8%

    \[\leadsto xi + \color{blue}{\left(ux \cdot \left(maxCos + -1 \cdot \left(maxCos \cdot ux\right)\right)\right)} \cdot zi \]
  10. Step-by-step derivation
    1. mul-1-neg54.8%

      \[\leadsto xi + \left(ux \cdot \left(maxCos + \color{blue}{\left(-maxCos \cdot ux\right)}\right)\right) \cdot zi \]
    2. unsub-neg54.8%

      \[\leadsto xi + \left(ux \cdot \color{blue}{\left(maxCos - maxCos \cdot ux\right)}\right) \cdot zi \]
  11. Simplified54.8%

    \[\leadsto xi + \color{blue}{\left(ux \cdot \left(maxCos - maxCos \cdot ux\right)\right)} \cdot zi \]
  12. Final simplification54.8%

    \[\leadsto xi + zi \cdot \left(ux \cdot \left(maxCos - ux \cdot maxCos\right)\right) \]
  13. Add Preprocessing

Alternative 11: 52.3% accurate, 41.9× speedup?

\[\begin{array}{l} \\ xi - maxCos \cdot \left(ux \cdot \left(zi \cdot \left(ux + -1\right)\right)\right) \end{array} \]
(FPCore (xi yi zi ux uy maxCos)
 :precision binary32
 (- xi (* maxCos (* ux (* zi (+ ux -1.0))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
	return xi - (maxCos * (ux * (zi * (ux + -1.0f))));
}
real(4) function code(xi, yi, zi, ux, uy, maxcos)
    real(4), intent (in) :: xi
    real(4), intent (in) :: yi
    real(4), intent (in) :: zi
    real(4), intent (in) :: ux
    real(4), intent (in) :: uy
    real(4), intent (in) :: maxcos
    code = xi - (maxcos * (ux * (zi * (ux + (-1.0e0)))))
end function
function code(xi, yi, zi, ux, uy, maxCos)
	return Float32(xi - Float32(maxCos * Float32(ux * Float32(zi * Float32(ux + Float32(-1.0))))))
end
function tmp = code(xi, yi, zi, ux, uy, maxCos)
	tmp = xi - (maxCos * (ux * (zi * (ux + single(-1.0)))));
end
\begin{array}{l}

\\
xi - maxCos \cdot \left(ux \cdot \left(zi \cdot \left(ux + -1\right)\right)\right)
\end{array}
Derivation
  1. Initial program 99.0%

    \[\left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  2. Add Preprocessing
  3. Step-by-step derivation
    1. associate-*r*99.0%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\sin \color{blue}{\left(uy \cdot \left(2 \cdot \pi\right)\right)} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    2. add-sqr-sqrt95.7%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\color{blue}{\left(\sqrt{\sin \left(uy \cdot \left(2 \cdot \pi\right)\right)} \cdot \sqrt{\sin \left(uy \cdot \left(2 \cdot \pi\right)\right)}\right)} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    3. pow295.7%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\color{blue}{{\left(\sqrt{\sin \left(uy \cdot \left(2 \cdot \pi\right)\right)}\right)}^{2}} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    4. associate-*r*95.7%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left({\left(\sqrt{\sin \color{blue}{\left(\left(uy \cdot 2\right) \cdot \pi\right)}}\right)}^{2} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  4. Applied egg-rr95.7%

    \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\color{blue}{{\left(\sqrt{\sin \left(\left(uy \cdot 2\right) \cdot \pi\right)}\right)}^{2}} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  5. Taylor expanded in uy around 0 54.8%

    \[\leadsto \color{blue}{xi \cdot \sqrt{1 - {maxCos}^{2} \cdot \left({ux}^{2} \cdot {\left(1 - ux\right)}^{2}\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  6. Step-by-step derivation
    1. associate-*r*54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left({maxCos}^{2} \cdot {ux}^{2}\right) \cdot {\left(1 - ux\right)}^{2}}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    2. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\color{blue}{\left(maxCos \cdot maxCos\right)} \cdot {ux}^{2}\right) \cdot {\left(1 - ux\right)}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    3. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\left(maxCos \cdot maxCos\right) \cdot \color{blue}{\left(ux \cdot ux\right)}\right) \cdot {\left(1 - ux\right)}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    4. swap-sqr54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left(\left(maxCos \cdot ux\right) \cdot \left(maxCos \cdot ux\right)\right)} \cdot {\left(1 - ux\right)}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    5. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\left(maxCos \cdot ux\right) \cdot \left(maxCos \cdot ux\right)\right) \cdot \color{blue}{\left(\left(1 - ux\right) \cdot \left(1 - ux\right)\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    6. swap-sqr54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right) \cdot \left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    7. *-commutative54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right)} \cdot \left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    8. *-commutative54.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right) \cdot \color{blue}{\left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    9. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{{\left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right)}^{2}}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    10. *-commutative54.8%

      \[\leadsto xi \cdot \sqrt{1 - {\color{blue}{\left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)}}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  7. Simplified54.8%

    \[\leadsto \color{blue}{xi \cdot \sqrt{1 - {\left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)}^{2}}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  8. Taylor expanded in maxCos around 0 54.8%

    \[\leadsto \color{blue}{xi} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  9. Taylor expanded in maxCos around 0 54.8%

    \[\leadsto xi + \color{blue}{maxCos \cdot \left(ux \cdot \left(zi \cdot \left(1 - ux\right)\right)\right)} \]
  10. Step-by-step derivation
    1. *-commutative54.8%

      \[\leadsto xi + maxCos \cdot \left(ux \cdot \color{blue}{\left(\left(1 - ux\right) \cdot zi\right)}\right) \]
  11. Simplified54.8%

    \[\leadsto xi + \color{blue}{maxCos \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot zi\right)\right)} \]
  12. Final simplification54.8%

    \[\leadsto xi - maxCos \cdot \left(ux \cdot \left(zi \cdot \left(ux + -1\right)\right)\right) \]
  13. Add Preprocessing

Alternative 12: 50.2% accurate, 65.9× speedup?

\[\begin{array}{l} \\ xi + zi \cdot \left(ux \cdot maxCos\right) \end{array} \]
(FPCore (xi yi zi ux uy maxCos)
 :precision binary32
 (+ xi (* zi (* ux maxCos))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
	return xi + (zi * (ux * maxCos));
}
real(4) function code(xi, yi, zi, ux, uy, maxcos)
    real(4), intent (in) :: xi
    real(4), intent (in) :: yi
    real(4), intent (in) :: zi
    real(4), intent (in) :: ux
    real(4), intent (in) :: uy
    real(4), intent (in) :: maxcos
    code = xi + (zi * (ux * maxcos))
end function
function code(xi, yi, zi, ux, uy, maxCos)
	return Float32(xi + Float32(zi * Float32(ux * maxCos)))
end
function tmp = code(xi, yi, zi, ux, uy, maxCos)
	tmp = xi + (zi * (ux * maxCos));
end
\begin{array}{l}

\\
xi + zi \cdot \left(ux \cdot maxCos\right)
\end{array}
Derivation
  1. Initial program 99.0%

    \[\left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  2. Add Preprocessing
  3. Step-by-step derivation
    1. associate-*r*99.0%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\sin \color{blue}{\left(uy \cdot \left(2 \cdot \pi\right)\right)} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    2. add-sqr-sqrt95.7%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\color{blue}{\left(\sqrt{\sin \left(uy \cdot \left(2 \cdot \pi\right)\right)} \cdot \sqrt{\sin \left(uy \cdot \left(2 \cdot \pi\right)\right)}\right)} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    3. pow295.7%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\color{blue}{{\left(\sqrt{\sin \left(uy \cdot \left(2 \cdot \pi\right)\right)}\right)}^{2}} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    4. associate-*r*95.7%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left({\left(\sqrt{\sin \color{blue}{\left(\left(uy \cdot 2\right) \cdot \pi\right)}}\right)}^{2} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  4. Applied egg-rr95.7%

    \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\color{blue}{{\left(\sqrt{\sin \left(\left(uy \cdot 2\right) \cdot \pi\right)}\right)}^{2}} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  5. Taylor expanded in uy around 0 54.8%

    \[\leadsto \color{blue}{xi \cdot \sqrt{1 - {maxCos}^{2} \cdot \left({ux}^{2} \cdot {\left(1 - ux\right)}^{2}\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  6. Step-by-step derivation
    1. associate-*r*54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left({maxCos}^{2} \cdot {ux}^{2}\right) \cdot {\left(1 - ux\right)}^{2}}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    2. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\color{blue}{\left(maxCos \cdot maxCos\right)} \cdot {ux}^{2}\right) \cdot {\left(1 - ux\right)}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    3. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\left(maxCos \cdot maxCos\right) \cdot \color{blue}{\left(ux \cdot ux\right)}\right) \cdot {\left(1 - ux\right)}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    4. swap-sqr54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left(\left(maxCos \cdot ux\right) \cdot \left(maxCos \cdot ux\right)\right)} \cdot {\left(1 - ux\right)}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    5. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\left(maxCos \cdot ux\right) \cdot \left(maxCos \cdot ux\right)\right) \cdot \color{blue}{\left(\left(1 - ux\right) \cdot \left(1 - ux\right)\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    6. swap-sqr54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right) \cdot \left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    7. *-commutative54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right)} \cdot \left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    8. *-commutative54.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right) \cdot \color{blue}{\left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    9. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{{\left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right)}^{2}}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    10. *-commutative54.8%

      \[\leadsto xi \cdot \sqrt{1 - {\color{blue}{\left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)}}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  7. Simplified54.8%

    \[\leadsto \color{blue}{xi \cdot \sqrt{1 - {\left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)}^{2}}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  8. Taylor expanded in maxCos around 0 54.8%

    \[\leadsto \color{blue}{xi} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  9. Taylor expanded in ux around 0 52.8%

    \[\leadsto xi + \color{blue}{\left(maxCos \cdot ux\right)} \cdot zi \]
  10. Final simplification52.8%

    \[\leadsto xi + zi \cdot \left(ux \cdot maxCos\right) \]
  11. Add Preprocessing

Alternative 13: 50.2% accurate, 65.9× speedup?

\[\begin{array}{l} \\ xi + maxCos \cdot \left(ux \cdot zi\right) \end{array} \]
(FPCore (xi yi zi ux uy maxCos)
 :precision binary32
 (+ xi (* maxCos (* ux zi))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
	return xi + (maxCos * (ux * zi));
}
real(4) function code(xi, yi, zi, ux, uy, maxcos)
    real(4), intent (in) :: xi
    real(4), intent (in) :: yi
    real(4), intent (in) :: zi
    real(4), intent (in) :: ux
    real(4), intent (in) :: uy
    real(4), intent (in) :: maxcos
    code = xi + (maxcos * (ux * zi))
end function
function code(xi, yi, zi, ux, uy, maxCos)
	return Float32(xi + Float32(maxCos * Float32(ux * zi)))
end
function tmp = code(xi, yi, zi, ux, uy, maxCos)
	tmp = xi + (maxCos * (ux * zi));
end
\begin{array}{l}

\\
xi + maxCos \cdot \left(ux \cdot zi\right)
\end{array}
Derivation
  1. Initial program 99.0%

    \[\left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\sin \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  2. Add Preprocessing
  3. Step-by-step derivation
    1. associate-*r*99.0%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\sin \color{blue}{\left(uy \cdot \left(2 \cdot \pi\right)\right)} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    2. add-sqr-sqrt95.7%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\color{blue}{\left(\sqrt{\sin \left(uy \cdot \left(2 \cdot \pi\right)\right)} \cdot \sqrt{\sin \left(uy \cdot \left(2 \cdot \pi\right)\right)}\right)} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    3. pow295.7%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\color{blue}{{\left(\sqrt{\sin \left(uy \cdot \left(2 \cdot \pi\right)\right)}\right)}^{2}} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    4. associate-*r*95.7%

      \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left({\left(\sqrt{\sin \color{blue}{\left(\left(uy \cdot 2\right) \cdot \pi\right)}}\right)}^{2} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  4. Applied egg-rr95.7%

    \[\leadsto \left(\left(\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot xi + \left(\color{blue}{{\left(\sqrt{\sin \left(\left(uy \cdot 2\right) \cdot \pi\right)}\right)}^{2}} \cdot \sqrt{1 - \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right)}\right) \cdot yi\right) + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  5. Taylor expanded in uy around 0 54.8%

    \[\leadsto \color{blue}{xi \cdot \sqrt{1 - {maxCos}^{2} \cdot \left({ux}^{2} \cdot {\left(1 - ux\right)}^{2}\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  6. Step-by-step derivation
    1. associate-*r*54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left({maxCos}^{2} \cdot {ux}^{2}\right) \cdot {\left(1 - ux\right)}^{2}}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    2. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\color{blue}{\left(maxCos \cdot maxCos\right)} \cdot {ux}^{2}\right) \cdot {\left(1 - ux\right)}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    3. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\left(maxCos \cdot maxCos\right) \cdot \color{blue}{\left(ux \cdot ux\right)}\right) \cdot {\left(1 - ux\right)}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    4. swap-sqr54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left(\left(maxCos \cdot ux\right) \cdot \left(maxCos \cdot ux\right)\right)} \cdot {\left(1 - ux\right)}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    5. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\left(maxCos \cdot ux\right) \cdot \left(maxCos \cdot ux\right)\right) \cdot \color{blue}{\left(\left(1 - ux\right) \cdot \left(1 - ux\right)\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    6. swap-sqr54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right) \cdot \left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    7. *-commutative54.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{\left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right)} \cdot \left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    8. *-commutative54.8%

      \[\leadsto xi \cdot \sqrt{1 - \left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right) \cdot \color{blue}{\left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right)}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    9. unpow254.8%

      \[\leadsto xi \cdot \sqrt{1 - \color{blue}{{\left(\left(1 - ux\right) \cdot \left(maxCos \cdot ux\right)\right)}^{2}}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
    10. *-commutative54.8%

      \[\leadsto xi \cdot \sqrt{1 - {\color{blue}{\left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)}}^{2}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  7. Simplified54.8%

    \[\leadsto \color{blue}{xi \cdot \sqrt{1 - {\left(\left(maxCos \cdot ux\right) \cdot \left(1 - ux\right)\right)}^{2}}} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  8. Taylor expanded in maxCos around 0 54.8%

    \[\leadsto \color{blue}{xi} + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot ux\right) \cdot zi \]
  9. Taylor expanded in ux around 0 52.8%

    \[\leadsto \color{blue}{xi + maxCos \cdot \left(ux \cdot zi\right)} \]
  10. Add Preprocessing

Reproduce

?
herbie shell --seed 2024151 
(FPCore (xi yi zi ux uy maxCos)
  :name "UniformSampleCone 2"
  :precision binary32
  :pre (and (and (and (and (and (and (<= -10000.0 xi) (<= xi 10000.0)) (and (<= -10000.0 yi) (<= yi 10000.0))) (and (<= -10000.0 zi) (<= zi 10000.0))) (and (<= 2.328306437e-10 ux) (<= ux 1.0))) (and (<= 2.328306437e-10 uy) (<= uy 1.0))) (and (<= 0.0 maxCos) (<= maxCos 1.0)))
  (+ (+ (* (* (cos (* (* uy 2.0) PI)) (sqrt (- 1.0 (* (* (* (- 1.0 ux) maxCos) ux) (* (* (- 1.0 ux) maxCos) ux))))) xi) (* (* (sin (* (* uy 2.0) PI)) (sqrt (- 1.0 (* (* (* (- 1.0 ux) maxCos) ux) (* (* (- 1.0 ux) maxCos) ux))))) yi)) (* (* (* (- 1.0 ux) maxCos) ux) zi)))