
(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:
Herbie found 16 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(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}
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(let* ((t_0 (* uy (* 2.0 PI))))
(+
(fma xi (cos t_0) (* yi (sin t_0)))
(* (* ux (* (- 1.0 ux) maxCos)) zi))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
float t_0 = uy * (2.0f * ((float) M_PI));
return fmaf(xi, cosf(t_0), (yi * sinf(t_0))) + ((ux * ((1.0f - ux) * maxCos)) * zi);
}
function code(xi, yi, zi, ux, uy, maxCos) t_0 = Float32(uy * Float32(Float32(2.0) * Float32(pi))) return Float32(fma(xi, cos(t_0), Float32(yi * sin(t_0))) + Float32(Float32(ux * Float32(Float32(Float32(1.0) - ux) * maxCos)) * zi)) end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := uy \cdot \left(2 \cdot \pi\right)\\
\mathsf{fma}\left(xi, \cos t\_0, yi \cdot \sin t\_0\right) + \left(ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\right) \cdot zi
\end{array}
\end{array}
Initial program 99.0%
expm1-log1p-u98.8%
Applied egg-rr98.8%
Taylor expanded in ux around 0 99.0%
fma-define99.0%
associate-*r*99.0%
*-commutative99.0%
associate-*r*99.0%
associate-*r*99.0%
*-commutative99.0%
associate-*r*99.0%
Simplified99.0%
Final simplification99.0%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(let* ((t_0 (* 2.0 (* uy PI))))
(+
(* (* ux (* (- 1.0 ux) maxCos)) zi)
(+ (* xi (cos t_0)) (* yi (sin 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 ((ux * ((1.0f - ux) * maxCos)) * zi) + ((xi * cosf(t_0)) + (yi * sinf(t_0)));
}
function code(xi, yi, zi, ux, uy, maxCos) t_0 = Float32(Float32(2.0) * Float32(uy * Float32(pi))) return Float32(Float32(Float32(ux * Float32(Float32(Float32(1.0) - ux) * maxCos)) * zi) + Float32(Float32(xi * cos(t_0)) + Float32(yi * sin(t_0)))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) t_0 = single(2.0) * (uy * single(pi)); tmp = ((ux * ((single(1.0) - ux) * maxCos)) * zi) + ((xi * cos(t_0)) + (yi * sin(t_0))); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := 2 \cdot \left(uy \cdot \pi\right)\\
\left(ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\right) \cdot zi + \left(xi \cdot \cos t\_0 + yi \cdot \sin t\_0\right)
\end{array}
\end{array}
Initial program 99.0%
expm1-log1p-u98.8%
Applied egg-rr98.8%
Taylor expanded in ux around 0 99.0%
Final simplification99.0%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (let* ((t_0 (* 2.0 (* uy PI)))) (+ (+ (* xi (cos t_0)) (* yi (sin t_0))) (* zi (* ux maxCos)))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
float t_0 = 2.0f * (uy * ((float) M_PI));
return ((xi * cosf(t_0)) + (yi * sinf(t_0))) + (zi * (ux * maxCos));
}
function code(xi, yi, zi, ux, uy, maxCos) t_0 = Float32(Float32(2.0) * Float32(uy * Float32(pi))) return Float32(Float32(Float32(xi * cos(t_0)) + Float32(yi * sin(t_0))) + Float32(zi * Float32(ux * maxCos))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) t_0 = single(2.0) * (uy * single(pi)); tmp = ((xi * cos(t_0)) + (yi * sin(t_0))) + (zi * (ux * maxCos)); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := 2 \cdot \left(uy \cdot \pi\right)\\
\left(xi \cdot \cos t\_0 + yi \cdot \sin t\_0\right) + zi \cdot \left(ux \cdot maxCos\right)
\end{array}
\end{array}
Initial program 99.0%
expm1-log1p-u98.8%
Applied egg-rr98.8%
Taylor expanded in ux around 0 99.0%
Taylor expanded in ux around 0 95.9%
Final simplification95.9%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(let* ((t_0 (* 2.0 (* uy PI))))
(if (<= yi -2.9999999047965676e-20)
(+ (* (* ux (* (- 1.0 ux) maxCos)) zi) (+ xi (* yi (sin t_0))))
(+
(* 2.0 (* uy (* PI yi)))
(+ (* xi (cos t_0)) (* maxCos (* ux (* (- 1.0 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));
float tmp;
if (yi <= -2.9999999047965676e-20f) {
tmp = ((ux * ((1.0f - ux) * maxCos)) * zi) + (xi + (yi * sinf(t_0)));
} else {
tmp = (2.0f * (uy * (((float) M_PI) * yi))) + ((xi * cosf(t_0)) + (maxCos * (ux * ((1.0f - ux) * zi))));
}
return tmp;
}
function code(xi, yi, zi, ux, uy, maxCos) t_0 = Float32(Float32(2.0) * Float32(uy * Float32(pi))) tmp = Float32(0.0) if (yi <= Float32(-2.9999999047965676e-20)) tmp = Float32(Float32(Float32(ux * Float32(Float32(Float32(1.0) - ux) * maxCos)) * zi) + Float32(xi + Float32(yi * sin(t_0)))); else tmp = Float32(Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * yi))) + Float32(Float32(xi * cos(t_0)) + Float32(maxCos * Float32(ux * Float32(Float32(Float32(1.0) - ux) * zi))))); end return tmp end
function tmp_2 = code(xi, yi, zi, ux, uy, maxCos) t_0 = single(2.0) * (uy * single(pi)); tmp = single(0.0); if (yi <= single(-2.9999999047965676e-20)) tmp = ((ux * ((single(1.0) - ux) * maxCos)) * zi) + (xi + (yi * sin(t_0))); else tmp = (single(2.0) * (uy * (single(pi) * yi))) + ((xi * cos(t_0)) + (maxCos * (ux * ((single(1.0) - ux) * zi)))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := 2 \cdot \left(uy \cdot \pi\right)\\
\mathbf{if}\;yi \leq -2.9999999047965676 \cdot 10^{-20}:\\
\;\;\;\;\left(ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\right) \cdot zi + \left(xi + yi \cdot \sin t\_0\right)\\
\mathbf{else}:\\
\;\;\;\;2 \cdot \left(uy \cdot \left(\pi \cdot yi\right)\right) + \left(xi \cdot \cos t\_0 + maxCos \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot zi\right)\right)\right)\\
\end{array}
\end{array}
if yi < -2.9999999e-20Initial program 99.0%
expm1-log1p-u99.0%
Applied egg-rr99.0%
Taylor expanded in ux around 0 99.0%
Taylor expanded in uy around 0 94.4%
if -2.9999999e-20 < yi Initial program 99.0%
Taylor expanded in uy around 0 92.9%
associate-*r*92.9%
associate-*r*92.9%
*-commutative92.9%
*-commutative92.9%
associate-*r*92.9%
*-commutative92.9%
unpow292.9%
unpow292.9%
swap-sqr92.9%
unpow292.9%
swap-sqr92.9%
*-commutative92.9%
*-commutative92.9%
unpow292.9%
associate-*r*92.9%
*-commutative92.9%
*-commutative92.9%
Simplified92.9%
Taylor expanded in maxCos around 0 92.9%
Final simplification93.3%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(let* ((t_0 (* 2.0 (* uy PI))))
(if (<= xi 2.5000001145342624e-19)
(+ (* (* ux (* (- 1.0 ux) maxCos)) zi) (+ xi (* yi (sin t_0))))
(+ (* 2.0 (* uy (* PI yi))) (+ (* 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));
float tmp;
if (xi <= 2.5000001145342624e-19f) {
tmp = ((ux * ((1.0f - ux) * maxCos)) * zi) + (xi + (yi * sinf(t_0)));
} else {
tmp = (2.0f * (uy * (((float) M_PI) * yi))) + ((xi * cosf(t_0)) + (maxCos * (ux * zi)));
}
return tmp;
}
function code(xi, yi, zi, ux, uy, maxCos) t_0 = Float32(Float32(2.0) * Float32(uy * Float32(pi))) tmp = Float32(0.0) if (xi <= Float32(2.5000001145342624e-19)) tmp = Float32(Float32(Float32(ux * Float32(Float32(Float32(1.0) - ux) * maxCos)) * zi) + Float32(xi + Float32(yi * sin(t_0)))); else tmp = Float32(Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * yi))) + Float32(Float32(xi * cos(t_0)) + Float32(maxCos * Float32(ux * zi)))); end return tmp end
function tmp_2 = code(xi, yi, zi, ux, uy, maxCos) t_0 = single(2.0) * (uy * single(pi)); tmp = single(0.0); if (xi <= single(2.5000001145342624e-19)) tmp = ((ux * ((single(1.0) - ux) * maxCos)) * zi) + (xi + (yi * sin(t_0))); else tmp = (single(2.0) * (uy * (single(pi) * yi))) + ((xi * cos(t_0)) + (maxCos * (ux * zi))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := 2 \cdot \left(uy \cdot \pi\right)\\
\mathbf{if}\;xi \leq 2.5000001145342624 \cdot 10^{-19}:\\
\;\;\;\;\left(ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\right) \cdot zi + \left(xi + yi \cdot \sin t\_0\right)\\
\mathbf{else}:\\
\;\;\;\;2 \cdot \left(uy \cdot \left(\pi \cdot yi\right)\right) + \left(xi \cdot \cos t\_0 + maxCos \cdot \left(ux \cdot zi\right)\right)\\
\end{array}
\end{array}
if xi < 2.50000011e-19Initial program 98.8%
expm1-log1p-u98.7%
Applied egg-rr98.7%
Taylor expanded in ux around 0 98.9%
Taylor expanded in uy around 0 91.6%
if 2.50000011e-19 < xi Initial program 99.3%
Taylor expanded in uy around 0 96.0%
associate-*r*96.0%
associate-*r*96.0%
*-commutative96.0%
*-commutative96.0%
associate-*r*96.0%
*-commutative96.0%
unpow296.0%
unpow296.0%
swap-sqr96.0%
unpow296.0%
swap-sqr96.0%
*-commutative96.0%
*-commutative96.0%
unpow296.0%
associate-*r*96.0%
*-commutative96.0%
*-commutative96.0%
Simplified96.0%
Taylor expanded in ux around 0 96.0%
Final simplification92.8%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(let* ((t_0 (* 2.0 (* uy PI))))
(if (<= xi 2.5000001145342624e-19)
(+ (* (* ux (* (- 1.0 ux) maxCos)) zi) (* yi (+ (sin t_0) (/ xi yi))))
(+ (* 2.0 (* uy (* PI yi))) (+ (* 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));
float tmp;
if (xi <= 2.5000001145342624e-19f) {
tmp = ((ux * ((1.0f - ux) * maxCos)) * zi) + (yi * (sinf(t_0) + (xi / yi)));
} else {
tmp = (2.0f * (uy * (((float) M_PI) * yi))) + ((xi * cosf(t_0)) + (maxCos * (ux * zi)));
}
return tmp;
}
function code(xi, yi, zi, ux, uy, maxCos) t_0 = Float32(Float32(2.0) * Float32(uy * Float32(pi))) tmp = Float32(0.0) if (xi <= Float32(2.5000001145342624e-19)) tmp = Float32(Float32(Float32(ux * Float32(Float32(Float32(1.0) - ux) * maxCos)) * zi) + Float32(yi * Float32(sin(t_0) + Float32(xi / yi)))); else tmp = Float32(Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * yi))) + Float32(Float32(xi * cos(t_0)) + Float32(maxCos * Float32(ux * zi)))); end return tmp end
function tmp_2 = code(xi, yi, zi, ux, uy, maxCos) t_0 = single(2.0) * (uy * single(pi)); tmp = single(0.0); if (xi <= single(2.5000001145342624e-19)) tmp = ((ux * ((single(1.0) - ux) * maxCos)) * zi) + (yi * (sin(t_0) + (xi / yi))); else tmp = (single(2.0) * (uy * (single(pi) * yi))) + ((xi * cos(t_0)) + (maxCos * (ux * zi))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := 2 \cdot \left(uy \cdot \pi\right)\\
\mathbf{if}\;xi \leq 2.5000001145342624 \cdot 10^{-19}:\\
\;\;\;\;\left(ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\right) \cdot zi + yi \cdot \left(\sin t\_0 + \frac{xi}{yi}\right)\\
\mathbf{else}:\\
\;\;\;\;2 \cdot \left(uy \cdot \left(\pi \cdot yi\right)\right) + \left(xi \cdot \cos t\_0 + maxCos \cdot \left(ux \cdot zi\right)\right)\\
\end{array}
\end{array}
if xi < 2.50000011e-19Initial program 98.8%
expm1-log1p-u98.7%
Applied egg-rr98.7%
Taylor expanded in ux around 0 98.9%
fma-define98.9%
associate-*r*98.9%
*-commutative98.9%
associate-*r*98.9%
associate-*r*98.9%
*-commutative98.9%
associate-*r*98.9%
Simplified98.9%
Taylor expanded in yi around inf 98.2%
associate-/l*97.6%
Simplified97.6%
Taylor expanded in uy around 0 91.4%
if 2.50000011e-19 < xi Initial program 99.3%
Taylor expanded in uy around 0 96.0%
associate-*r*96.0%
associate-*r*96.0%
*-commutative96.0%
*-commutative96.0%
associate-*r*96.0%
*-commutative96.0%
unpow296.0%
unpow296.0%
swap-sqr96.0%
unpow296.0%
swap-sqr96.0%
*-commutative96.0%
*-commutative96.0%
unpow296.0%
associate-*r*96.0%
*-commutative96.0%
*-commutative96.0%
Simplified96.0%
Taylor expanded in ux around 0 96.0%
Final simplification92.6%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (if (<= uy 0.030500000342726707) (+ xi (+ (* 2.0 (* uy (* PI yi))) (* maxCos (* ux (* (- 1.0 ux) zi))))) (+ (* (* ux (* (- 1.0 ux) maxCos)) zi) (* yi (sin (* 2.0 (* uy PI)))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
float tmp;
if (uy <= 0.030500000342726707f) {
tmp = xi + ((2.0f * (uy * (((float) M_PI) * yi))) + (maxCos * (ux * ((1.0f - ux) * zi))));
} else {
tmp = ((ux * ((1.0f - ux) * maxCos)) * zi) + (yi * sinf((2.0f * (uy * ((float) M_PI)))));
}
return tmp;
}
function code(xi, yi, zi, ux, uy, maxCos) tmp = Float32(0.0) if (uy <= Float32(0.030500000342726707)) tmp = Float32(xi + Float32(Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * yi))) + Float32(maxCos * Float32(ux * Float32(Float32(Float32(1.0) - ux) * zi))))); else tmp = Float32(Float32(Float32(ux * Float32(Float32(Float32(1.0) - ux) * maxCos)) * zi) + Float32(yi * sin(Float32(Float32(2.0) * Float32(uy * Float32(pi)))))); end return tmp end
function tmp_2 = code(xi, yi, zi, ux, uy, maxCos) tmp = single(0.0); if (uy <= single(0.030500000342726707)) tmp = xi + ((single(2.0) * (uy * (single(pi) * yi))) + (maxCos * (ux * ((single(1.0) - ux) * zi)))); else tmp = ((ux * ((single(1.0) - ux) * maxCos)) * zi) + (yi * sin((single(2.0) * (uy * single(pi))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;uy \leq 0.030500000342726707:\\
\;\;\;\;xi + \left(2 \cdot \left(uy \cdot \left(\pi \cdot yi\right)\right) + maxCos \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot zi\right)\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\left(ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\right) \cdot zi + yi \cdot \sin \left(2 \cdot \left(uy \cdot \pi\right)\right)\\
\end{array}
\end{array}
if uy < 0.0305000003Initial program 99.3%
expm1-log1p-u99.0%
Applied egg-rr99.0%
Taylor expanded in ux around 0 99.3%
*-commutative99.3%
associate-*r*99.3%
*-commutative99.3%
add-cbrt-cube99.3%
pow1/399.3%
pow399.3%
Applied egg-rr99.3%
Taylor expanded in uy around 0 91.4%
if 0.0305000003 < uy Initial program 97.5%
expm1-log1p-u97.5%
Applied egg-rr97.5%
Taylor expanded in ux around 0 97.6%
fma-define97.6%
associate-*r*97.6%
*-commutative97.6%
associate-*r*97.6%
associate-*r*97.6%
*-commutative97.6%
associate-*r*97.6%
Simplified97.6%
Taylor expanded in xi around 0 59.9%
Final simplification86.1%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (+ (* 2.0 (* uy (* PI yi))) (+ (* xi (cos (* 2.0 (* uy PI)))) (* maxCos (* ux zi)))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return (2.0f * (uy * (((float) M_PI) * yi))) + ((xi * cosf((2.0f * (uy * ((float) M_PI))))) + (maxCos * (ux * zi)));
}
function code(xi, yi, zi, ux, uy, maxCos) return Float32(Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * yi))) + Float32(Float32(xi * cos(Float32(Float32(2.0) * Float32(uy * Float32(pi))))) + Float32(maxCos * Float32(ux * zi)))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = (single(2.0) * (uy * (single(pi) * yi))) + ((xi * cos((single(2.0) * (uy * single(pi))))) + (maxCos * (ux * zi))); end
\begin{array}{l}
\\
2 \cdot \left(uy \cdot \left(\pi \cdot yi\right)\right) + \left(xi \cdot \cos \left(2 \cdot \left(uy \cdot \pi\right)\right) + maxCos \cdot \left(ux \cdot zi\right)\right)
\end{array}
Initial program 99.0%
Taylor expanded in uy around 0 90.1%
associate-*r*90.1%
associate-*r*90.1%
*-commutative90.1%
*-commutative90.1%
associate-*r*90.1%
*-commutative90.1%
unpow290.1%
unpow290.1%
swap-sqr90.1%
unpow290.1%
swap-sqr90.1%
*-commutative90.1%
*-commutative90.1%
unpow290.1%
associate-*r*90.1%
*-commutative90.1%
*-commutative90.1%
Simplified90.1%
Taylor expanded in ux around 0 87.2%
Final simplification87.2%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (if (or (<= yi -2.0000000072549875e-15) (not (<= yi 1.000000045813705e-18))) (+ (* (* ux (* (- 1.0 ux) maxCos)) zi) (* 2.0 (* uy (* PI yi)))) (+ xi (* maxCos (* ux (* (- 1.0 ux) zi))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
float tmp;
if ((yi <= -2.0000000072549875e-15f) || !(yi <= 1.000000045813705e-18f)) {
tmp = ((ux * ((1.0f - ux) * maxCos)) * zi) + (2.0f * (uy * (((float) M_PI) * yi)));
} else {
tmp = xi + (maxCos * (ux * ((1.0f - ux) * zi)));
}
return tmp;
}
function code(xi, yi, zi, ux, uy, maxCos) tmp = Float32(0.0) if ((yi <= Float32(-2.0000000072549875e-15)) || !(yi <= Float32(1.000000045813705e-18))) tmp = Float32(Float32(Float32(ux * Float32(Float32(Float32(1.0) - ux) * maxCos)) * zi) + Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * yi)))); else tmp = Float32(xi + Float32(maxCos * Float32(ux * Float32(Float32(Float32(1.0) - ux) * zi)))); end return tmp end
function tmp_2 = code(xi, yi, zi, ux, uy, maxCos) tmp = single(0.0); if ((yi <= single(-2.0000000072549875e-15)) || ~((yi <= single(1.000000045813705e-18)))) tmp = ((ux * ((single(1.0) - ux) * maxCos)) * zi) + (single(2.0) * (uy * (single(pi) * yi))); else tmp = xi + (maxCos * (ux * ((single(1.0) - ux) * zi))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;yi \leq -2.0000000072549875 \cdot 10^{-15} \lor \neg \left(yi \leq 1.000000045813705 \cdot 10^{-18}\right):\\
\;\;\;\;\left(ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\right) \cdot zi + 2 \cdot \left(uy \cdot \left(\pi \cdot yi\right)\right)\\
\mathbf{else}:\\
\;\;\;\;xi + maxCos \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot zi\right)\right)\\
\end{array}
\end{array}
if yi < -2.00000001e-15 or 1.00000005e-18 < yi Initial program 98.6%
expm1-log1p-u98.6%
Applied egg-rr98.6%
Taylor expanded in ux around 0 98.6%
fma-define98.7%
associate-*r*98.7%
*-commutative98.7%
associate-*r*98.7%
associate-*r*98.7%
*-commutative98.7%
associate-*r*98.7%
Simplified98.7%
Taylor expanded in uy around 0 78.1%
+-commutative78.1%
fma-define78.1%
*-commutative78.1%
associate-*l*78.0%
*-commutative78.0%
Simplified78.0%
Taylor expanded in yi around inf 55.7%
if -2.00000001e-15 < yi < 1.00000005e-18Initial program 99.3%
expm1-log1p-u98.9%
Applied egg-rr98.9%
Taylor expanded in ux around 0 99.3%
*-commutative99.3%
associate-*r*99.3%
*-commutative99.3%
add-cbrt-cube99.3%
pow1/397.9%
pow397.9%
Applied egg-rr97.9%
Taylor expanded in uy around 0 74.7%
Final simplification65.5%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(let* ((t_0 (* (* ux (* (- 1.0 ux) maxCos)) zi)))
(if (<= yi -2.0000000072549875e-15)
(+ t_0 (* PI (* 2.0 (* uy yi))))
(if (<= yi 1.000000045813705e-18)
(+ xi (* maxCos (* ux (* (- 1.0 ux) zi))))
(+ t_0 (* 2.0 (* uy (* PI yi))))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
float t_0 = (ux * ((1.0f - ux) * maxCos)) * zi;
float tmp;
if (yi <= -2.0000000072549875e-15f) {
tmp = t_0 + (((float) M_PI) * (2.0f * (uy * yi)));
} else if (yi <= 1.000000045813705e-18f) {
tmp = xi + (maxCos * (ux * ((1.0f - ux) * zi)));
} else {
tmp = t_0 + (2.0f * (uy * (((float) M_PI) * yi)));
}
return tmp;
}
function code(xi, yi, zi, ux, uy, maxCos) t_0 = Float32(Float32(ux * Float32(Float32(Float32(1.0) - ux) * maxCos)) * zi) tmp = Float32(0.0) if (yi <= Float32(-2.0000000072549875e-15)) tmp = Float32(t_0 + Float32(Float32(pi) * Float32(Float32(2.0) * Float32(uy * yi)))); elseif (yi <= Float32(1.000000045813705e-18)) tmp = Float32(xi + Float32(maxCos * Float32(ux * Float32(Float32(Float32(1.0) - ux) * zi)))); else tmp = Float32(t_0 + Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * yi)))); end return tmp end
function tmp_2 = code(xi, yi, zi, ux, uy, maxCos) t_0 = (ux * ((single(1.0) - ux) * maxCos)) * zi; tmp = single(0.0); if (yi <= single(-2.0000000072549875e-15)) tmp = t_0 + (single(pi) * (single(2.0) * (uy * yi))); elseif (yi <= single(1.000000045813705e-18)) tmp = xi + (maxCos * (ux * ((single(1.0) - ux) * zi))); else tmp = t_0 + (single(2.0) * (uy * (single(pi) * yi))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\right) \cdot zi\\
\mathbf{if}\;yi \leq -2.0000000072549875 \cdot 10^{-15}:\\
\;\;\;\;t\_0 + \pi \cdot \left(2 \cdot \left(uy \cdot yi\right)\right)\\
\mathbf{elif}\;yi \leq 1.000000045813705 \cdot 10^{-18}:\\
\;\;\;\;xi + maxCos \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot zi\right)\right)\\
\mathbf{else}:\\
\;\;\;\;t\_0 + 2 \cdot \left(uy \cdot \left(\pi \cdot yi\right)\right)\\
\end{array}
\end{array}
if yi < -2.00000001e-15Initial program 99.0%
expm1-log1p-u99.1%
Applied egg-rr99.1%
Taylor expanded in ux around 0 99.0%
fma-define99.1%
associate-*r*99.1%
*-commutative99.1%
associate-*r*99.1%
associate-*r*99.1%
*-commutative99.1%
associate-*r*99.1%
Simplified99.1%
Taylor expanded in uy around 0 79.1%
+-commutative79.1%
fma-define79.1%
*-commutative79.1%
associate-*l*79.2%
*-commutative79.2%
Simplified79.2%
Taylor expanded in yi around inf 60.3%
associate-*r*60.3%
associate-*r*60.3%
*-commutative60.3%
Simplified60.3%
if -2.00000001e-15 < yi < 1.00000005e-18Initial program 99.3%
expm1-log1p-u98.9%
Applied egg-rr98.9%
Taylor expanded in ux around 0 99.3%
*-commutative99.3%
associate-*r*99.3%
*-commutative99.3%
add-cbrt-cube99.3%
pow1/397.9%
pow397.9%
Applied egg-rr97.9%
Taylor expanded in uy around 0 74.7%
if 1.00000005e-18 < yi Initial program 98.2%
expm1-log1p-u98.2%
Applied egg-rr98.2%
Taylor expanded in ux around 0 98.3%
fma-define98.4%
associate-*r*98.4%
*-commutative98.4%
associate-*r*98.4%
associate-*r*98.4%
*-commutative98.4%
associate-*r*98.4%
Simplified98.4%
Taylor expanded in uy around 0 77.3%
+-commutative77.3%
fma-define77.3%
*-commutative77.3%
associate-*l*77.1%
*-commutative77.1%
Simplified77.1%
Taylor expanded in yi around inf 51.9%
Final simplification65.5%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (+ xi (+ (* 2.0 (* uy (* PI yi))) (* maxCos (* ux (* (- 1.0 ux) zi))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return xi + ((2.0f * (uy * (((float) M_PI) * yi))) + (maxCos * (ux * ((1.0f - ux) * zi))));
}
function code(xi, yi, zi, ux, uy, maxCos) return Float32(xi + Float32(Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * yi))) + Float32(maxCos * Float32(ux * Float32(Float32(Float32(1.0) - ux) * zi))))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = xi + ((single(2.0) * (uy * (single(pi) * yi))) + (maxCos * (ux * ((single(1.0) - ux) * zi)))); end
\begin{array}{l}
\\
xi + \left(2 \cdot \left(uy \cdot \left(\pi \cdot yi\right)\right) + maxCos \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot zi\right)\right)\right)
\end{array}
Initial program 99.0%
expm1-log1p-u98.8%
Applied egg-rr98.8%
Taylor expanded in ux around 0 99.0%
*-commutative99.0%
associate-*r*99.0%
*-commutative99.0%
add-cbrt-cube99.0%
pow1/395.3%
pow395.3%
Applied egg-rr95.3%
Taylor expanded in uy around 0 81.8%
Final simplification81.8%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (+ xi (* maxCos (* ux (* (- 1.0 ux) zi)))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return xi + (maxCos * (ux * ((1.0f - 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 * ((1.0e0 - ux) * zi)))
end function
function code(xi, yi, zi, ux, uy, maxCos) return Float32(xi + Float32(maxCos * Float32(ux * Float32(Float32(Float32(1.0) - ux) * zi)))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = xi + (maxCos * (ux * ((single(1.0) - ux) * zi))); end
\begin{array}{l}
\\
xi + maxCos \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot zi\right)\right)
\end{array}
Initial program 99.0%
expm1-log1p-u98.8%
Applied egg-rr98.8%
Taylor expanded in ux around 0 99.0%
*-commutative99.0%
associate-*r*99.0%
*-commutative99.0%
add-cbrt-cube99.0%
pow1/395.3%
pow395.3%
Applied egg-rr95.3%
Taylor expanded in uy around 0 51.4%
Final simplification51.4%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (* maxCos (* (- 1.0 ux) (* ux zi))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return maxCos * ((1.0f - ux) * (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 = maxcos * ((1.0e0 - ux) * (ux * zi))
end function
function code(xi, yi, zi, ux, uy, maxCos) return Float32(maxCos * Float32(Float32(Float32(1.0) - ux) * Float32(ux * zi))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = maxCos * ((single(1.0) - ux) * (ux * zi)); end
\begin{array}{l}
\\
maxCos \cdot \left(\left(1 - ux\right) \cdot \left(ux \cdot zi\right)\right)
\end{array}
Initial program 99.0%
expm1-log1p-u98.8%
Applied egg-rr98.8%
Taylor expanded in ux around 0 99.0%
*-commutative99.0%
associate-*r*99.0%
*-commutative99.0%
add-cbrt-cube99.0%
pow1/395.3%
pow395.3%
Applied egg-rr95.3%
Taylor expanded in maxCos around inf 13.1%
associate-*r*13.1%
*-commutative13.1%
Simplified13.1%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (* maxCos (* ux (* (- 1.0 ux) zi))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return maxCos * (ux * ((1.0f - 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 = maxcos * (ux * ((1.0e0 - ux) * zi))
end function
function code(xi, yi, zi, ux, uy, maxCos) return Float32(maxCos * Float32(ux * Float32(Float32(Float32(1.0) - ux) * zi))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = maxCos * (ux * ((single(1.0) - ux) * zi)); end
\begin{array}{l}
\\
maxCos \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot zi\right)\right)
\end{array}
Initial program 99.0%
Taylor expanded in uy around 0 90.1%
associate-*r*90.1%
associate-*r*90.1%
*-commutative90.1%
*-commutative90.1%
associate-*r*90.1%
*-commutative90.1%
unpow290.1%
unpow290.1%
swap-sqr90.1%
unpow290.1%
swap-sqr90.1%
*-commutative90.1%
*-commutative90.1%
unpow290.1%
associate-*r*90.1%
*-commutative90.1%
*-commutative90.1%
Simplified90.1%
Taylor expanded in zi around inf 13.1%
Final simplification13.1%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (* zi (* ux maxCos)))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return 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 = zi * (ux * maxcos)
end function
function code(xi, yi, zi, ux, uy, maxCos) return Float32(zi * Float32(ux * maxCos)) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = zi * (ux * maxCos); end
\begin{array}{l}
\\
zi \cdot \left(ux \cdot maxCos\right)
\end{array}
Initial program 99.0%
Taylor expanded in uy around 0 90.1%
associate-*r*90.1%
associate-*r*90.1%
*-commutative90.1%
*-commutative90.1%
associate-*r*90.1%
*-commutative90.1%
unpow290.1%
unpow290.1%
swap-sqr90.1%
unpow290.1%
swap-sqr90.1%
*-commutative90.1%
*-commutative90.1%
unpow290.1%
associate-*r*90.1%
*-commutative90.1%
*-commutative90.1%
Simplified90.1%
Taylor expanded in zi around inf 13.1%
Taylor expanded in ux around 0 11.3%
pow111.3%
associate-*r*11.3%
Applied egg-rr11.3%
unpow111.3%
*-commutative11.3%
Simplified11.3%
Final simplification11.3%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (* maxCos (* ux zi)))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return 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 = maxcos * (ux * zi)
end function
function code(xi, yi, zi, ux, uy, maxCos) return Float32(maxCos * Float32(ux * zi)) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = maxCos * (ux * zi); end
\begin{array}{l}
\\
maxCos \cdot \left(ux \cdot zi\right)
\end{array}
Initial program 99.0%
Taylor expanded in uy around 0 90.1%
associate-*r*90.1%
associate-*r*90.1%
*-commutative90.1%
*-commutative90.1%
associate-*r*90.1%
*-commutative90.1%
unpow290.1%
unpow290.1%
swap-sqr90.1%
unpow290.1%
swap-sqr90.1%
*-commutative90.1%
*-commutative90.1%
unpow290.1%
associate-*r*90.1%
*-commutative90.1%
*-commutative90.1%
Simplified90.1%
Taylor expanded in zi around inf 13.1%
Taylor expanded in ux around 0 11.3%
herbie shell --seed 2024165
(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)))