
(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 17 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 (* ux (* (- 1.0 ux) maxCos)))
(t_1 (sqrt (+ 1.0 (* t_0 (* ux (* maxCos (+ ux -1.0)))))))
(t_2 (* (* uy 2.0) PI)))
(+ (+ (* (* (cos t_2) t_1) xi) (* (* t_1 (sin t_2)) yi)) (* t_0 zi))))
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 = (uy * 2.0f) * ((float) M_PI);
return (((cosf(t_2) * t_1) * xi) + ((t_1 * sinf(t_2)) * yi)) + (t_0 * zi);
}
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(uy * Float32(2.0)) * Float32(pi)) return Float32(Float32(Float32(Float32(cos(t_2) * t_1) * xi) + Float32(Float32(t_1 * sin(t_2)) * yi)) + Float32(t_0 * zi)) 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 = (uy * single(2.0)) * single(pi); tmp = (((cos(t_2) * t_1) * xi) + ((t_1 * sin(t_2)) * yi)) + (t_0 * zi); 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 := \left(uy \cdot 2\right) \cdot \pi\\
\left(\left(\cos t\_2 \cdot t\_1\right) \cdot xi + \left(t\_1 \cdot \sin t\_2\right) \cdot yi\right) + t\_0 \cdot zi
\end{array}
\end{array}
Initial program 99.1%
Final simplification99.1%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(let* ((t_0 (* uy (* 2.0 PI))))
(+
(*
(pow
(+ 1.0 (* (- 1.0 ux) (* (* (* ux ux) (* maxCos maxCos)) (+ ux -1.0))))
0.5)
(+ (* yi (sin t_0)) (* xi (cos t_0))))
(* (- 1.0 ux) (* maxCos (* ux 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 (powf((1.0f + ((1.0f - ux) * (((ux * ux) * (maxCos * maxCos)) * (ux + -1.0f)))), 0.5f) * ((yi * sinf(t_0)) + (xi * cosf(t_0)))) + ((1.0f - ux) * (maxCos * (ux * zi)));
}
function code(xi, yi, zi, ux, uy, maxCos) t_0 = Float32(uy * Float32(Float32(2.0) * Float32(pi))) return Float32(Float32((Float32(Float32(1.0) + Float32(Float32(Float32(1.0) - ux) * Float32(Float32(Float32(ux * ux) * Float32(maxCos * maxCos)) * Float32(ux + Float32(-1.0))))) ^ Float32(0.5)) * Float32(Float32(yi * sin(t_0)) + Float32(xi * cos(t_0)))) + Float32(Float32(Float32(1.0) - ux) * Float32(maxCos * Float32(ux * zi)))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) t_0 = uy * (single(2.0) * single(pi)); tmp = (((single(1.0) + ((single(1.0) - ux) * (((ux * ux) * (maxCos * maxCos)) * (ux + single(-1.0))))) ^ single(0.5)) * ((yi * sin(t_0)) + (xi * cos(t_0)))) + ((single(1.0) - ux) * (maxCos * (ux * zi))); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := uy \cdot \left(2 \cdot \pi\right)\\
{\left(1 + \left(1 - ux\right) \cdot \left(\left(\left(ux \cdot ux\right) \cdot \left(maxCos \cdot maxCos\right)\right) \cdot \left(ux + -1\right)\right)\right)}^{0.5} \cdot \left(yi \cdot \sin t\_0 + xi \cdot \cos t\_0\right) + \left(1 - ux\right) \cdot \left(maxCos \cdot \left(ux \cdot zi\right)\right)
\end{array}
\end{array}
Initial program 99.1%
Simplified99.1%
Applied egg-rr99.1%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(let* ((t_0 (* uy (* 2.0 PI))))
(+
(*
(sqrt
(+ 1.0 (* (- 1.0 ux) (* maxCos (* maxCos (* ux (* ux (+ ux -1.0))))))))
(+ (* yi (sin t_0)) (* xi (cos 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 (sqrtf((1.0f + ((1.0f - ux) * (maxCos * (maxCos * (ux * (ux * (ux + -1.0f)))))))) * ((yi * sinf(t_0)) + (xi * cosf(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(Float32(sqrt(Float32(Float32(1.0) + Float32(Float32(Float32(1.0) - ux) * Float32(maxCos * Float32(maxCos * Float32(ux * Float32(ux * Float32(ux + Float32(-1.0))))))))) * Float32(Float32(yi * sin(t_0)) + Float32(xi * cos(t_0)))) + Float32(ux * Float32(Float32(Float32(1.0) - ux) * Float32(maxCos * zi)))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) t_0 = uy * (single(2.0) * single(pi)); tmp = (sqrt((single(1.0) + ((single(1.0) - ux) * (maxCos * (maxCos * (ux * (ux * (ux + single(-1.0))))))))) * ((yi * sin(t_0)) + (xi * cos(t_0)))) + (ux * ((single(1.0) - ux) * (maxCos * zi))); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := uy \cdot \left(2 \cdot \pi\right)\\
\sqrt{1 + \left(1 - ux\right) \cdot \left(maxCos \cdot \left(maxCos \cdot \left(ux \cdot \left(ux \cdot \left(ux + -1\right)\right)\right)\right)\right)} \cdot \left(yi \cdot \sin t\_0 + xi \cdot \cos t\_0\right) + ux \cdot \left(\left(1 - ux\right) \cdot \left(maxCos \cdot zi\right)\right)
\end{array}
\end{array}
Initial program 99.1%
Simplified99.1%
Final simplification99.1%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(let* ((t_0 (* uy (* 2.0 PI))))
(+
(* ux (* (- 1.0 ux) (* maxCos zi)))
(*
(+ (* yi (sin t_0)) (* xi (cos t_0)))
(+ 1.0 (* (* ux ux) (* (* maxCos maxCos) -0.5)))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
float t_0 = uy * (2.0f * ((float) M_PI));
return (ux * ((1.0f - ux) * (maxCos * zi))) + (((yi * sinf(t_0)) + (xi * cosf(t_0))) * (1.0f + ((ux * ux) * ((maxCos * maxCos) * -0.5f))));
}
function code(xi, yi, zi, ux, uy, maxCos) t_0 = Float32(uy * Float32(Float32(2.0) * Float32(pi))) return Float32(Float32(ux * Float32(Float32(Float32(1.0) - ux) * Float32(maxCos * zi))) + Float32(Float32(Float32(yi * sin(t_0)) + Float32(xi * cos(t_0))) * Float32(Float32(1.0) + Float32(Float32(ux * ux) * Float32(Float32(maxCos * maxCos) * Float32(-0.5)))))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) t_0 = uy * (single(2.0) * single(pi)); tmp = (ux * ((single(1.0) - ux) * (maxCos * zi))) + (((yi * sin(t_0)) + (xi * cos(t_0))) * (single(1.0) + ((ux * ux) * ((maxCos * maxCos) * single(-0.5))))); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := uy \cdot \left(2 \cdot \pi\right)\\
ux \cdot \left(\left(1 - ux\right) \cdot \left(maxCos \cdot zi\right)\right) + \left(yi \cdot \sin t\_0 + xi \cdot \cos t\_0\right) \cdot \left(1 + \left(ux \cdot ux\right) \cdot \left(\left(maxCos \cdot maxCos\right) \cdot -0.5\right)\right)
\end{array}
\end{array}
Initial program 99.1%
Simplified99.1%
Taylor expanded in ux around 0
associate-*r*N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f3298.9%
Simplified98.9%
Final simplification98.9%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(let* ((t_0 (* 2.0 (* uy PI))))
(+
(+ (* ux (* maxCos (* (- 1.0 ux) 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 * (maxCos * ((1.0f - ux) * 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(maxCos * Float32(Float32(Float32(1.0) - ux) * zi))) + 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 * (maxCos * ((single(1.0) - ux) * 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(maxCos \cdot \left(\left(1 - ux\right) \cdot zi\right)\right) + xi \cdot \cos t\_0\right) + yi \cdot \sin t\_0
\end{array}
\end{array}
Initial program 99.1%
Taylor expanded in ux around 0
+-lowering-+.f32N/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
*-lowering-*.f32N/A
sin-lowering-sin.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3298.8%
Simplified98.8%
+-commutativeN/A
associate-+r+N/A
+-lowering-+.f32N/A
Applied egg-rr98.9%
(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(xi * cos(t_0)) + Float32(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)\\
xi \cdot \cos t\_0 + \left(yi \cdot \sin t\_0 + zi \cdot \left(ux \cdot maxCos\right)\right)
\end{array}
\end{array}
Initial program 99.1%
Simplified99.1%
Taylor expanded in ux around 0
+-commutativeN/A
associate-+l+N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
+-lowering-+.f32N/A
Simplified95.8%
Final simplification95.8%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(+
(+ (* ux (* maxCos (* (- 1.0 ux) zi))) (* xi (cos (* 2.0 (* uy PI)))))
(*
yi
(*
uy
(+ (* 2.0 PI) (* (* PI (* PI PI)) (* uy (* uy -1.3333333333333333))))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return ((ux * (maxCos * ((1.0f - ux) * zi))) + (xi * cosf((2.0f * (uy * ((float) M_PI)))))) + (yi * (uy * ((2.0f * ((float) M_PI)) + ((((float) M_PI) * (((float) M_PI) * ((float) M_PI))) * (uy * (uy * -1.3333333333333333f))))));
}
function code(xi, yi, zi, ux, uy, maxCos) return Float32(Float32(Float32(ux * Float32(maxCos * Float32(Float32(Float32(1.0) - ux) * zi))) + Float32(xi * cos(Float32(Float32(2.0) * Float32(uy * Float32(pi)))))) + Float32(yi * Float32(uy * Float32(Float32(Float32(2.0) * Float32(pi)) + Float32(Float32(Float32(pi) * Float32(Float32(pi) * Float32(pi))) * Float32(uy * Float32(uy * Float32(-1.3333333333333333)))))))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = ((ux * (maxCos * ((single(1.0) - ux) * zi))) + (xi * cos((single(2.0) * (uy * single(pi)))))) + (yi * (uy * ((single(2.0) * single(pi)) + ((single(pi) * (single(pi) * single(pi))) * (uy * (uy * single(-1.3333333333333333))))))); end
\begin{array}{l}
\\
\left(ux \cdot \left(maxCos \cdot \left(\left(1 - ux\right) \cdot zi\right)\right) + xi \cdot \cos \left(2 \cdot \left(uy \cdot \pi\right)\right)\right) + yi \cdot \left(uy \cdot \left(2 \cdot \pi + \left(\pi \cdot \left(\pi \cdot \pi\right)\right) \cdot \left(uy \cdot \left(uy \cdot -1.3333333333333333\right)\right)\right)\right)
\end{array}
Initial program 99.1%
Taylor expanded in ux around 0
+-lowering-+.f32N/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
*-lowering-*.f32N/A
sin-lowering-sin.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3298.8%
Simplified98.8%
+-commutativeN/A
associate-+r+N/A
+-lowering-+.f32N/A
Applied egg-rr98.9%
Taylor expanded in uy around 0
+-commutativeN/A
*-commutativeN/A
associate-*r*N/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
Simplified95.6%
Final simplification95.6%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (+ (* yi (sin (* 2.0 (* uy PI)))) (+ (+ xi (* (* (- 1.0 ux) maxCos) (* ux zi))) (* (* xi (* PI PI)) (* -2.0 (* uy uy))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return (yi * sinf((2.0f * (uy * ((float) M_PI))))) + ((xi + (((1.0f - ux) * maxCos) * (ux * zi))) + ((xi * (((float) M_PI) * ((float) M_PI))) * (-2.0f * (uy * uy))));
}
function code(xi, yi, zi, ux, uy, maxCos) return Float32(Float32(yi * sin(Float32(Float32(2.0) * Float32(uy * Float32(pi))))) + Float32(Float32(xi + Float32(Float32(Float32(Float32(1.0) - ux) * maxCos) * Float32(ux * zi))) + Float32(Float32(xi * Float32(Float32(pi) * Float32(pi))) * Float32(Float32(-2.0) * Float32(uy * uy))))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = (yi * sin((single(2.0) * (uy * single(pi))))) + ((xi + (((single(1.0) - ux) * maxCos) * (ux * zi))) + ((xi * (single(pi) * single(pi))) * (single(-2.0) * (uy * uy)))); end
\begin{array}{l}
\\
yi \cdot \sin \left(2 \cdot \left(uy \cdot \pi\right)\right) + \left(\left(xi + \left(\left(1 - ux\right) \cdot maxCos\right) \cdot \left(ux \cdot zi\right)\right) + \left(xi \cdot \left(\pi \cdot \pi\right)\right) \cdot \left(-2 \cdot \left(uy \cdot uy\right)\right)\right)
\end{array}
Initial program 99.1%
Taylor expanded in ux around 0
+-lowering-+.f32N/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
*-lowering-*.f32N/A
sin-lowering-sin.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3298.8%
Simplified98.8%
+-commutativeN/A
associate-+r+N/A
+-lowering-+.f32N/A
Applied egg-rr98.9%
Taylor expanded in uy around 0
+-commutativeN/A
associate-+r+N/A
*-commutativeN/A
associate-*r*N/A
+-lowering-+.f32N/A
+-lowering-+.f32N/A
*-commutativeN/A
associate-*r*N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
Simplified93.2%
Final simplification93.2%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (+ (* (* ux (* (- 1.0 ux) maxCos)) zi) (+ (* yi (sin (* 2.0 (* uy PI)))) (+ xi (* (* xi (* PI PI)) (* -2.0 (* uy uy)))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return ((ux * ((1.0f - ux) * maxCos)) * zi) + ((yi * sinf((2.0f * (uy * ((float) M_PI))))) + (xi + ((xi * (((float) M_PI) * ((float) M_PI))) * (-2.0f * (uy * uy)))));
}
function code(xi, yi, zi, ux, uy, maxCos) return Float32(Float32(Float32(ux * Float32(Float32(Float32(1.0) - ux) * maxCos)) * zi) + Float32(Float32(yi * sin(Float32(Float32(2.0) * Float32(uy * Float32(pi))))) + Float32(xi + Float32(Float32(xi * Float32(Float32(pi) * Float32(pi))) * Float32(Float32(-2.0) * Float32(uy * uy)))))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = ((ux * ((single(1.0) - ux) * maxCos)) * zi) + ((yi * sin((single(2.0) * (uy * single(pi))))) + (xi + ((xi * (single(pi) * single(pi))) * (single(-2.0) * (uy * uy))))); end
\begin{array}{l}
\\
\left(ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\right) \cdot zi + \left(yi \cdot \sin \left(2 \cdot \left(uy \cdot \pi\right)\right) + \left(xi + \left(xi \cdot \left(\pi \cdot \pi\right)\right) \cdot \left(-2 \cdot \left(uy \cdot uy\right)\right)\right)\right)
\end{array}
Initial program 99.1%
Taylor expanded in ux around 0
+-lowering-+.f32N/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
*-lowering-*.f32N/A
sin-lowering-sin.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3298.8%
Simplified98.8%
Taylor expanded in uy around 0
+-lowering-+.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
PI-lowering-PI.f3293.2%
Simplified93.2%
Final simplification93.2%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (+ (* (* ux (* (- 1.0 ux) maxCos)) zi) (+ (* xi (cos (* 2.0 (* uy PI)))) (* 2.0 (* uy (* PI yi))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return ((ux * ((1.0f - ux) * maxCos)) * zi) + ((xi * cosf((2.0f * (uy * ((float) M_PI))))) + (2.0f * (uy * (((float) M_PI) * yi))));
}
function code(xi, yi, zi, ux, uy, maxCos) return Float32(Float32(Float32(ux * Float32(Float32(Float32(1.0) - ux) * maxCos)) * zi) + Float32(Float32(xi * cos(Float32(Float32(2.0) * Float32(uy * Float32(pi))))) + Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * yi))))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = ((ux * ((single(1.0) - ux) * maxCos)) * zi) + ((xi * cos((single(2.0) * (uy * single(pi))))) + (single(2.0) * (uy * (single(pi) * yi)))); end
\begin{array}{l}
\\
\left(ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\right) \cdot zi + \left(xi \cdot \cos \left(2 \cdot \left(uy \cdot \pi\right)\right) + 2 \cdot \left(uy \cdot \left(\pi \cdot yi\right)\right)\right)
\end{array}
Initial program 99.1%
Taylor expanded in ux around 0
+-lowering-+.f32N/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
*-lowering-*.f32N/A
sin-lowering-sin.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3298.8%
Simplified98.8%
Taylor expanded in uy around 0
*-lowering-*.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3291.8%
Simplified91.8%
Final simplification91.8%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(+
xi
(+
(* (* (- 1.0 ux) zi) (* ux maxCos))
(*
uy
(+
(* 2.0 (* PI yi))
(*
uy
(+
(* (* PI PI) (* xi -2.0))
(* -1.3333333333333333 (* (* PI (* PI PI)) (* uy yi))))))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return xi + ((((1.0f - ux) * zi) * (ux * maxCos)) + (uy * ((2.0f * (((float) M_PI) * yi)) + (uy * (((((float) M_PI) * ((float) M_PI)) * (xi * -2.0f)) + (-1.3333333333333333f * ((((float) M_PI) * (((float) M_PI) * ((float) M_PI))) * (uy * yi))))))));
}
function code(xi, yi, zi, ux, uy, maxCos) return Float32(xi + Float32(Float32(Float32(Float32(Float32(1.0) - ux) * zi) * Float32(ux * maxCos)) + Float32(uy * Float32(Float32(Float32(2.0) * Float32(Float32(pi) * yi)) + Float32(uy * Float32(Float32(Float32(Float32(pi) * Float32(pi)) * Float32(xi * Float32(-2.0))) + Float32(Float32(-1.3333333333333333) * Float32(Float32(Float32(pi) * Float32(Float32(pi) * Float32(pi))) * Float32(uy * yi))))))))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = xi + ((((single(1.0) - ux) * zi) * (ux * maxCos)) + (uy * ((single(2.0) * (single(pi) * yi)) + (uy * (((single(pi) * single(pi)) * (xi * single(-2.0))) + (single(-1.3333333333333333) * ((single(pi) * (single(pi) * single(pi))) * (uy * yi)))))))); end
\begin{array}{l}
\\
xi + \left(\left(\left(1 - ux\right) \cdot zi\right) \cdot \left(ux \cdot maxCos\right) + uy \cdot \left(2 \cdot \left(\pi \cdot yi\right) + uy \cdot \left(\left(\pi \cdot \pi\right) \cdot \left(xi \cdot -2\right) + -1.3333333333333333 \cdot \left(\left(\pi \cdot \left(\pi \cdot \pi\right)\right) \cdot \left(uy \cdot yi\right)\right)\right)\right)\right)
\end{array}
Initial program 99.1%
Taylor expanded in ux around 0
+-lowering-+.f32N/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
*-lowering-*.f32N/A
sin-lowering-sin.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3298.8%
Simplified98.8%
Taylor expanded in uy around 0
+-lowering-+.f32N/A
+-lowering-+.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
Simplified91.0%
Final simplification91.0%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (+ xi (+ (* (* (- 1.0 ux) maxCos) (* ux zi)) (* uy (+ (* 2.0 (* PI yi)) (* (* xi (* PI PI)) (* uy -2.0)))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return xi + ((((1.0f - ux) * maxCos) * (ux * zi)) + (uy * ((2.0f * (((float) M_PI) * yi)) + ((xi * (((float) M_PI) * ((float) M_PI))) * (uy * -2.0f)))));
}
function code(xi, yi, zi, ux, uy, maxCos) return Float32(xi + Float32(Float32(Float32(Float32(Float32(1.0) - ux) * maxCos) * Float32(ux * zi)) + Float32(uy * Float32(Float32(Float32(2.0) * Float32(Float32(pi) * yi)) + Float32(Float32(xi * Float32(Float32(pi) * Float32(pi))) * Float32(uy * Float32(-2.0))))))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = xi + ((((single(1.0) - ux) * maxCos) * (ux * zi)) + (uy * ((single(2.0) * (single(pi) * yi)) + ((xi * (single(pi) * single(pi))) * (uy * single(-2.0)))))); end
\begin{array}{l}
\\
xi + \left(\left(\left(1 - ux\right) \cdot maxCos\right) \cdot \left(ux \cdot zi\right) + uy \cdot \left(2 \cdot \left(\pi \cdot yi\right) + \left(xi \cdot \left(\pi \cdot \pi\right)\right) \cdot \left(uy \cdot -2\right)\right)\right)
\end{array}
Initial program 99.1%
Taylor expanded in ux around 0
+-lowering-+.f32N/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
*-lowering-*.f32N/A
sin-lowering-sin.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3298.8%
Simplified98.8%
+-commutativeN/A
associate-+r+N/A
+-lowering-+.f32N/A
Applied egg-rr98.9%
Taylor expanded in uy around 0
+-lowering-+.f32N/A
+-lowering-+.f32N/A
*-commutativeN/A
associate-*r*N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
+-commutativeN/A
*-commutativeN/A
associate-*r*N/A
Simplified87.3%
Final simplification87.3%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (+ xi (+ (* 2.0 (* uy (* PI yi))) (* (* (- 1.0 ux) zi) (* ux maxCos)))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return xi + ((2.0f * (uy * (((float) M_PI) * yi))) + (((1.0f - ux) * zi) * (ux * maxCos)));
}
function code(xi, yi, zi, ux, uy, maxCos) return Float32(xi + Float32(Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * yi))) + Float32(Float32(Float32(Float32(1.0) - ux) * zi) * Float32(ux * maxCos)))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = xi + ((single(2.0) * (uy * (single(pi) * yi))) + (((single(1.0) - ux) * zi) * (ux * maxCos))); end
\begin{array}{l}
\\
xi + \left(2 \cdot \left(uy \cdot \left(\pi \cdot yi\right)\right) + \left(\left(1 - ux\right) \cdot zi\right) \cdot \left(ux \cdot maxCos\right)\right)
\end{array}
Initial program 99.1%
Taylor expanded in ux around 0
+-lowering-+.f32N/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
*-lowering-*.f32N/A
sin-lowering-sin.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3298.8%
Simplified98.8%
Taylor expanded in uy around 0
+-lowering-+.f32N/A
+-commutativeN/A
+-lowering-+.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3282.2%
Simplified82.2%
Final simplification82.2%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (if (or (<= xi -9.999999960041972e-12) (not (<= xi 4.0000001089808046e-27))) xi (* 2.0 (* uy (* PI yi)))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
float tmp;
if ((xi <= -9.999999960041972e-12f) || !(xi <= 4.0000001089808046e-27f)) {
tmp = xi;
} else {
tmp = 2.0f * (uy * (((float) M_PI) * yi));
}
return tmp;
}
function code(xi, yi, zi, ux, uy, maxCos) tmp = Float32(0.0) if ((xi <= Float32(-9.999999960041972e-12)) || !(xi <= Float32(4.0000001089808046e-27))) tmp = xi; else tmp = Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * yi))); end return tmp end
function tmp_2 = code(xi, yi, zi, ux, uy, maxCos) tmp = single(0.0); if ((xi <= single(-9.999999960041972e-12)) || ~((xi <= single(4.0000001089808046e-27)))) tmp = xi; else tmp = single(2.0) * (uy * (single(pi) * yi)); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;xi \leq -9.999999960041972 \cdot 10^{-12} \lor \neg \left(xi \leq 4.0000001089808046 \cdot 10^{-27}\right):\\
\;\;\;\;xi\\
\mathbf{else}:\\
\;\;\;\;2 \cdot \left(uy \cdot \left(\pi \cdot yi\right)\right)\\
\end{array}
\end{array}
if xi < -9.99999996e-12 or 4.00000011e-27 < xi Initial program 99.3%
Taylor expanded in ux around 0
+-lowering-+.f32N/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
*-lowering-*.f32N/A
sin-lowering-sin.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3299.2%
Simplified99.2%
Taylor expanded in yi around inf
*-lowering-*.f32N/A
+-lowering-+.f32N/A
sin-lowering-sin.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3299.0%
Simplified99.0%
Taylor expanded in uy around 0
+-lowering-+.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
/-lowering-/.f3279.8%
Simplified79.8%
Taylor expanded in xi around inf
Simplified62.8%
if -9.99999996e-12 < xi < 4.00000011e-27Initial program 98.8%
Taylor expanded in ux around 0
+-lowering-+.f32N/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
*-lowering-*.f32N/A
sin-lowering-sin.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3298.4%
Simplified98.4%
Taylor expanded in yi around inf
*-lowering-*.f32N/A
sin-lowering-sin.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3259.6%
Simplified59.6%
Taylor expanded in uy around 0
*-lowering-*.f32N/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
PI-lowering-PI.f3252.2%
Simplified52.2%
Final simplification58.0%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (+ (* maxCos (* ux zi)) (* yi (+ (* 2.0 (* uy PI)) (/ xi yi)))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return (maxCos * (ux * zi)) + (yi * ((2.0f * (uy * ((float) M_PI))) + (xi / yi)));
}
function code(xi, yi, zi, ux, uy, maxCos) return Float32(Float32(maxCos * Float32(ux * zi)) + Float32(yi * Float32(Float32(Float32(2.0) * Float32(uy * Float32(pi))) + Float32(xi / yi)))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = (maxCos * (ux * zi)) + (yi * ((single(2.0) * (uy * single(pi))) + (xi / yi))); end
\begin{array}{l}
\\
maxCos \cdot \left(ux \cdot zi\right) + yi \cdot \left(2 \cdot \left(uy \cdot \pi\right) + \frac{xi}{yi}\right)
\end{array}
Initial program 99.1%
Taylor expanded in ux around 0
+-lowering-+.f32N/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
*-lowering-*.f32N/A
sin-lowering-sin.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3298.8%
Simplified98.8%
Taylor expanded in yi around inf
*-lowering-*.f32N/A
+-lowering-+.f32N/A
sin-lowering-sin.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3298.6%
Simplified98.6%
Taylor expanded in uy around 0
+-lowering-+.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
/-lowering-/.f3281.9%
Simplified81.9%
Taylor expanded in ux around 0
*-lowering-*.f32N/A
*-lowering-*.f3279.5%
Simplified79.5%
Final simplification79.5%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (* yi (+ (* 2.0 (* uy PI)) (/ xi yi))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return yi * ((2.0f * (uy * ((float) M_PI))) + (xi / yi));
}
function code(xi, yi, zi, ux, uy, maxCos) return Float32(yi * Float32(Float32(Float32(2.0) * Float32(uy * Float32(pi))) + Float32(xi / yi))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = yi * ((single(2.0) * (uy * single(pi))) + (xi / yi)); end
\begin{array}{l}
\\
yi \cdot \left(2 \cdot \left(uy \cdot \pi\right) + \frac{xi}{yi}\right)
\end{array}
Initial program 99.1%
Taylor expanded in ux around 0
+-lowering-+.f32N/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
*-lowering-*.f32N/A
sin-lowering-sin.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3298.8%
Simplified98.8%
Taylor expanded in yi around inf
*-lowering-*.f32N/A
+-lowering-+.f32N/A
sin-lowering-sin.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3298.6%
Simplified98.6%
Taylor expanded in uy around 0
+-lowering-+.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
/-lowering-/.f3281.9%
Simplified81.9%
Taylor expanded in ux around 0
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
/-lowering-/.f3274.1%
Simplified74.1%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 xi)
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return xi;
}
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
end function
function code(xi, yi, zi, ux, uy, maxCos) return xi end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = xi; end
\begin{array}{l}
\\
xi
\end{array}
Initial program 99.1%
Taylor expanded in ux around 0
+-lowering-+.f32N/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
*-lowering-*.f32N/A
sin-lowering-sin.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3298.8%
Simplified98.8%
Taylor expanded in yi around inf
*-lowering-*.f32N/A
+-lowering-+.f32N/A
sin-lowering-sin.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3298.6%
Simplified98.6%
Taylor expanded in uy around 0
+-lowering-+.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
/-lowering-/.f3281.9%
Simplified81.9%
Taylor expanded in xi around inf
Simplified45.7%
herbie shell --seed 2024130
(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)))