
(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 14 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))))
(+
(*
(sqrt
(+ 1.0 (* (- 1.0 ux) (* ux (* maxCos (* ux (* maxCos (+ ux -1.0))))))))
(+ (* (sin t_0) yi) (* (cos t_0) xi)))
(* (* 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) * (ux * (maxCos * (ux * (maxCos * (ux + -1.0f)))))))) * ((sinf(t_0) * yi) + (cosf(t_0) * xi))) + ((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(ux * Float32(maxCos * Float32(ux * Float32(maxCos * Float32(ux + Float32(-1.0))))))))) * Float32(Float32(sin(t_0) * yi) + Float32(cos(t_0) * xi))) + Float32(Float32(ux * Float32(Float32(Float32(1.0) - ux) * 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) * (ux * (maxCos * (ux * (maxCos * (ux + single(-1.0))))))))) * ((sin(t_0) * yi) + (cos(t_0) * xi))) + ((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(ux \cdot \left(maxCos \cdot \left(ux \cdot \left(maxCos \cdot \left(ux + -1\right)\right)\right)\right)\right)} \cdot \left(\sin t\_0 \cdot yi + \cos t\_0 \cdot xi\right) + \left(ux \cdot \left(\left(1 - ux\right) \cdot maxCos\right)\right) \cdot zi
\end{array}
\end{array}
Initial program 99.0%
Simplified99.0%
(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 (* maxCos (* ux (- 1.0 ux))))))))
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 * (maxCos * (ux * (1.0f - ux)))));
}
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(maxCos * Float32(ux * Float32(Float32(1.0) - ux)))))) 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 * (maxCos * (ux * (single(1.0) - ux))))); 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(maxCos \cdot \left(ux \cdot \left(1 - ux\right)\right)\right)\right)
\end{array}
\end{array}
Initial program 99.0%
Simplified99.0%
Taylor expanded in maxCos 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
Simplified99.0%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (let* ((t_0 (* 2.0 (* uy PI)))) (+ (+ (* xi (cos t_0)) (* yi (sin t_0))) (* 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 ((xi * cosf(t_0)) + (yi * sinf(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(xi * cos(t_0)) + Float32(yi * sin(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 = ((xi * cos(t_0)) + (yi * sin(t_0))) + (maxCos * (ux * zi)); 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) + maxCos \cdot \left(ux \cdot zi\right)
\end{array}
\end{array}
Initial program 99.0%
Simplified99.0%
Taylor expanded in ux around 0
+-commutativeN/A
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
+-lowering-+.f32N/A
Simplified96.2%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (+ (+ (* yi (sin (* 2.0 (* uy PI)))) (* zi (* maxCos (* ux (- 1.0 ux))))) (+ xi (* (* -2.0 (* uy uy)) (* xi (* PI PI))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return ((yi * sinf((2.0f * (uy * ((float) M_PI))))) + (zi * (maxCos * (ux * (1.0f - ux))))) + (xi + ((-2.0f * (uy * uy)) * (xi * (((float) M_PI) * ((float) M_PI)))));
}
function code(xi, yi, zi, ux, uy, maxCos) return Float32(Float32(Float32(yi * sin(Float32(Float32(2.0) * Float32(uy * Float32(pi))))) + Float32(zi * Float32(maxCos * Float32(ux * Float32(Float32(1.0) - ux))))) + Float32(xi + Float32(Float32(Float32(-2.0) * Float32(uy * uy)) * Float32(xi * Float32(Float32(pi) * Float32(pi)))))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = ((yi * sin((single(2.0) * (uy * single(pi))))) + (zi * (maxCos * (ux * (single(1.0) - ux))))) + (xi + ((single(-2.0) * (uy * uy)) * (xi * (single(pi) * single(pi))))); end
\begin{array}{l}
\\
\left(yi \cdot \sin \left(2 \cdot \left(uy \cdot \pi\right)\right) + zi \cdot \left(maxCos \cdot \left(ux \cdot \left(1 - ux\right)\right)\right)\right) + \left(xi + \left(-2 \cdot \left(uy \cdot uy\right)\right) \cdot \left(xi \cdot \left(\pi \cdot \pi\right)\right)\right)
\end{array}
Initial program 99.0%
Simplified99.0%
Taylor expanded in maxCos 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
Simplified99.0%
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.f3295.1%
Simplified95.1%
Final simplification95.1%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(if (<= uy 0.04500000178813934)
(+
(+ xi (* maxCos (* ux (* (- 1.0 ux) zi))))
(*
uy
(+
(* uy (* -2.0 (* xi (* PI PI))))
(*
yi
(+
(* 2.0 PI)
(* (* (* uy uy) -1.3333333333333333) (* PI (* PI PI))))))))
(+
xi
(+ (* yi (sin (* 2.0 (* uy PI)))) (* zi (* maxCos (* ux (- 1.0 ux))))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
float tmp;
if (uy <= 0.04500000178813934f) {
tmp = (xi + (maxCos * (ux * ((1.0f - ux) * zi)))) + (uy * ((uy * (-2.0f * (xi * (((float) M_PI) * ((float) M_PI))))) + (yi * ((2.0f * ((float) M_PI)) + (((uy * uy) * -1.3333333333333333f) * (((float) M_PI) * (((float) M_PI) * ((float) M_PI))))))));
} else {
tmp = xi + ((yi * sinf((2.0f * (uy * ((float) M_PI))))) + (zi * (maxCos * (ux * (1.0f - ux)))));
}
return tmp;
}
function code(xi, yi, zi, ux, uy, maxCos) tmp = Float32(0.0) if (uy <= Float32(0.04500000178813934)) tmp = Float32(Float32(xi + Float32(maxCos * Float32(ux * Float32(Float32(Float32(1.0) - ux) * zi)))) + Float32(uy * Float32(Float32(uy * Float32(Float32(-2.0) * Float32(xi * Float32(Float32(pi) * Float32(pi))))) + Float32(yi * Float32(Float32(Float32(2.0) * Float32(pi)) + Float32(Float32(Float32(uy * uy) * Float32(-1.3333333333333333)) * Float32(Float32(pi) * Float32(Float32(pi) * Float32(pi))))))))); else tmp = Float32(xi + Float32(Float32(yi * sin(Float32(Float32(2.0) * Float32(uy * Float32(pi))))) + Float32(zi * Float32(maxCos * Float32(ux * Float32(Float32(1.0) - ux)))))); end return tmp end
function tmp_2 = code(xi, yi, zi, ux, uy, maxCos) tmp = single(0.0); if (uy <= single(0.04500000178813934)) tmp = (xi + (maxCos * (ux * ((single(1.0) - ux) * zi)))) + (uy * ((uy * (single(-2.0) * (xi * (single(pi) * single(pi))))) + (yi * ((single(2.0) * single(pi)) + (((uy * uy) * single(-1.3333333333333333)) * (single(pi) * (single(pi) * single(pi)))))))); else tmp = xi + ((yi * sin((single(2.0) * (uy * single(pi))))) + (zi * (maxCos * (ux * (single(1.0) - ux))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;uy \leq 0.04500000178813934:\\
\;\;\;\;\left(xi + maxCos \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot zi\right)\right)\right) + uy \cdot \left(uy \cdot \left(-2 \cdot \left(xi \cdot \left(\pi \cdot \pi\right)\right)\right) + yi \cdot \left(2 \cdot \pi + \left(\left(uy \cdot uy\right) \cdot -1.3333333333333333\right) \cdot \left(\pi \cdot \left(\pi \cdot \pi\right)\right)\right)\right)\\
\mathbf{else}:\\
\;\;\;\;xi + \left(yi \cdot \sin \left(2 \cdot \left(uy \cdot \pi\right)\right) + zi \cdot \left(maxCos \cdot \left(ux \cdot \left(1 - ux\right)\right)\right)\right)\\
\end{array}
\end{array}
if uy < 0.0450000018Initial program 99.3%
Simplified99.3%
Taylor expanded in maxCos 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
Simplified99.2%
associate-*r*N/A
*-commutativeN/A
add-sqr-sqrtN/A
unpow1/2N/A
unpow1/2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
PI-lowering-PI.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
PI-lowering-PI.f3299.2%
Applied egg-rr99.2%
Taylor expanded in uy around 0
Simplified97.6%
if 0.0450000018 < uy Initial program 97.4%
Simplified97.5%
Taylor expanded in maxCos 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
Simplified97.4%
Taylor expanded in uy around 0
Simplified69.1%
Final simplification93.9%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(+
(+ xi (* maxCos (* ux (* (- 1.0 ux) zi))))
(*
uy
(+
(* uy (* -2.0 (* xi (* PI PI))))
(*
yi
(+ (* 2.0 PI) (* (* (* uy uy) -1.3333333333333333) (* PI (* PI PI)))))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return (xi + (maxCos * (ux * ((1.0f - ux) * zi)))) + (uy * ((uy * (-2.0f * (xi * (((float) M_PI) * ((float) M_PI))))) + (yi * ((2.0f * ((float) M_PI)) + (((uy * uy) * -1.3333333333333333f) * (((float) M_PI) * (((float) M_PI) * ((float) M_PI))))))));
}
function code(xi, yi, zi, ux, uy, maxCos) return Float32(Float32(xi + Float32(maxCos * Float32(ux * Float32(Float32(Float32(1.0) - ux) * zi)))) + Float32(uy * Float32(Float32(uy * Float32(Float32(-2.0) * Float32(xi * Float32(Float32(pi) * Float32(pi))))) + Float32(yi * Float32(Float32(Float32(2.0) * Float32(pi)) + Float32(Float32(Float32(uy * uy) * Float32(-1.3333333333333333)) * Float32(Float32(pi) * Float32(Float32(pi) * Float32(pi))))))))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = (xi + (maxCos * (ux * ((single(1.0) - ux) * zi)))) + (uy * ((uy * (single(-2.0) * (xi * (single(pi) * single(pi))))) + (yi * ((single(2.0) * single(pi)) + (((uy * uy) * single(-1.3333333333333333)) * (single(pi) * (single(pi) * single(pi)))))))); end
\begin{array}{l}
\\
\left(xi + maxCos \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot zi\right)\right)\right) + uy \cdot \left(uy \cdot \left(-2 \cdot \left(xi \cdot \left(\pi \cdot \pi\right)\right)\right) + yi \cdot \left(2 \cdot \pi + \left(\left(uy \cdot uy\right) \cdot -1.3333333333333333\right) \cdot \left(\pi \cdot \left(\pi \cdot \pi\right)\right)\right)\right)
\end{array}
Initial program 99.0%
Simplified99.0%
Taylor expanded in maxCos 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
Simplified99.0%
associate-*r*N/A
*-commutativeN/A
add-sqr-sqrtN/A
unpow1/2N/A
unpow1/2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
PI-lowering-PI.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
PI-lowering-PI.f3299.0%
Applied egg-rr99.0%
Taylor expanded in uy around 0
Simplified90.6%
Final simplification90.6%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(+
(* (* (- 1.0 ux) zi) (* ux maxCos))
(+
xi
(*
uy
(+
(* 2.0 (* PI yi))
(*
uy
(+
(* -2.0 (* xi (* PI PI)))
(* (* uy -1.3333333333333333) (* yi (* PI (* PI PI)))))))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return (((1.0f - ux) * zi) * (ux * maxCos)) + (xi + (uy * ((2.0f * (((float) M_PI) * yi)) + (uy * ((-2.0f * (xi * (((float) M_PI) * ((float) M_PI)))) + ((uy * -1.3333333333333333f) * (yi * (((float) M_PI) * (((float) M_PI) * ((float) M_PI))))))))));
}
function code(xi, yi, zi, ux, uy, maxCos) return Float32(Float32(Float32(Float32(Float32(1.0) - ux) * zi) * Float32(ux * maxCos)) + Float32(xi + Float32(uy * Float32(Float32(Float32(2.0) * Float32(Float32(pi) * yi)) + Float32(uy * Float32(Float32(Float32(-2.0) * Float32(xi * Float32(Float32(pi) * Float32(pi)))) + Float32(Float32(uy * Float32(-1.3333333333333333)) * Float32(yi * Float32(Float32(pi) * Float32(Float32(pi) * Float32(pi))))))))))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = (((single(1.0) - ux) * zi) * (ux * maxCos)) + (xi + (uy * ((single(2.0) * (single(pi) * yi)) + (uy * ((single(-2.0) * (xi * (single(pi) * single(pi)))) + ((uy * single(-1.3333333333333333)) * (yi * (single(pi) * (single(pi) * single(pi)))))))))); end
\begin{array}{l}
\\
\left(\left(1 - ux\right) \cdot zi\right) \cdot \left(ux \cdot maxCos\right) + \left(xi + uy \cdot \left(2 \cdot \left(\pi \cdot yi\right) + uy \cdot \left(-2 \cdot \left(xi \cdot \left(\pi \cdot \pi\right)\right) + \left(uy \cdot -1.3333333333333333\right) \cdot \left(yi \cdot \left(\pi \cdot \left(\pi \cdot \pi\right)\right)\right)\right)\right)\right)
\end{array}
Initial program 99.0%
Simplified99.0%
Taylor expanded in maxCos 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
Simplified99.0%
Taylor expanded in uy around 0
associate-+r+N/A
+-commutativeN/A
associate-+l+N/A
+-lowering-+.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
+-lowering-+.f32N/A
Simplified90.5%
Final simplification90.5%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (+ xi (+ (* (* (- 1.0 ux) zi) (* ux maxCos)) (* uy (+ (* 2.0 (* PI yi)) (* -2.0 (* uy (* xi (* PI PI)))))))))
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)) + (-2.0f * (uy * (xi * (((float) M_PI) * ((float) M_PI))))))));
}
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(Float32(-2.0) * Float32(uy * Float32(xi * Float32(Float32(pi) * Float32(pi))))))))) 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)) + (single(-2.0) * (uy * (xi * (single(pi) * single(pi)))))))); 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) + -2 \cdot \left(uy \cdot \left(xi \cdot \left(\pi \cdot \pi\right)\right)\right)\right)\right)
\end{array}
Initial program 99.0%
Simplified99.0%
Taylor expanded in maxCos 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
Simplified99.0%
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
Simplified87.0%
Final simplification87.0%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (+ (+ xi (* maxCos (* ux (* (- 1.0 ux) zi)))) (* 2.0 (* uy (* PI yi)))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return (xi + (maxCos * (ux * ((1.0f - ux) * zi)))) + (2.0f * (uy * (((float) M_PI) * yi)));
}
function code(xi, yi, zi, ux, uy, maxCos) return Float32(Float32(xi + Float32(maxCos * Float32(ux * Float32(Float32(Float32(1.0) - ux) * zi)))) + Float32(Float32(2.0) * Float32(uy * Float32(Float32(pi) * yi)))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = (xi + (maxCos * (ux * ((single(1.0) - ux) * zi)))) + (single(2.0) * (uy * (single(pi) * yi))); end
\begin{array}{l}
\\
\left(xi + maxCos \cdot \left(ux \cdot \left(\left(1 - ux\right) \cdot zi\right)\right)\right) + 2 \cdot \left(uy \cdot \left(\pi \cdot yi\right)\right)
\end{array}
Initial program 99.0%
Simplified99.0%
Taylor expanded in maxCos 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
Simplified99.0%
associate-*r*N/A
*-commutativeN/A
add-sqr-sqrtN/A
unpow1/2N/A
unpow1/2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
PI-lowering-PI.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
PI-lowering-PI.f3299.0%
Applied egg-rr99.0%
Taylor expanded in uy around 0
+-commutativeN/A
associate-+r+N/A
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
+-lowering-+.f32N/A
+-commutativeN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-commutativeN/A
Simplified81.7%
*-commutativeN/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3281.7%
Applied egg-rr81.7%
Final simplification81.7%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (+ (* (* (- 1.0 ux) zi) (* ux maxCos)) (+ xi (* 2.0 (* PI (* uy yi))))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return (((1.0f - ux) * zi) * (ux * maxCos)) + (xi + (2.0f * (((float) M_PI) * (uy * yi))));
}
function code(xi, yi, zi, ux, uy, maxCos) return Float32(Float32(Float32(Float32(Float32(1.0) - ux) * zi) * Float32(ux * maxCos)) + Float32(xi + Float32(Float32(2.0) * Float32(Float32(pi) * Float32(uy * yi))))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = (((single(1.0) - ux) * zi) * (ux * maxCos)) + (xi + (single(2.0) * (single(pi) * (uy * yi)))); end
\begin{array}{l}
\\
\left(\left(1 - ux\right) \cdot zi\right) \cdot \left(ux \cdot maxCos\right) + \left(xi + 2 \cdot \left(\pi \cdot \left(uy \cdot yi\right)\right)\right)
\end{array}
Initial program 99.0%
Simplified99.0%
Taylor expanded in maxCos 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
Simplified99.0%
Taylor expanded in uy around 0
+-commutativeN/A
+-commutativeN/A
associate-+l+N/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
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3281.7%
Simplified81.7%
Final simplification81.7%
(FPCore (xi yi zi ux uy maxCos)
:precision binary32
(let* ((t_0 (* yi (* PI (* uy 2.0)))))
(if (<= yi -5.000000058430487e-8)
t_0
(if (<= yi 4.999999873689376e-6) xi t_0))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
float t_0 = yi * (((float) M_PI) * (uy * 2.0f));
float tmp;
if (yi <= -5.000000058430487e-8f) {
tmp = t_0;
} else if (yi <= 4.999999873689376e-6f) {
tmp = xi;
} else {
tmp = t_0;
}
return tmp;
}
function code(xi, yi, zi, ux, uy, maxCos) t_0 = Float32(yi * Float32(Float32(pi) * Float32(uy * Float32(2.0)))) tmp = Float32(0.0) if (yi <= Float32(-5.000000058430487e-8)) tmp = t_0; elseif (yi <= Float32(4.999999873689376e-6)) tmp = xi; else tmp = t_0; end return tmp end
function tmp_2 = code(xi, yi, zi, ux, uy, maxCos) t_0 = yi * (single(pi) * (uy * single(2.0))); tmp = single(0.0); if (yi <= single(-5.000000058430487e-8)) tmp = t_0; elseif (yi <= single(4.999999873689376e-6)) tmp = xi; else tmp = t_0; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := yi \cdot \left(\pi \cdot \left(uy \cdot 2\right)\right)\\
\mathbf{if}\;yi \leq -5.000000058430487 \cdot 10^{-8}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;yi \leq 4.999999873689376 \cdot 10^{-6}:\\
\;\;\;\;xi\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if yi < -5.00000006e-8 or 4.99999987e-6 < yi Initial program 98.3%
Simplified98.3%
Taylor expanded in maxCos 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
Simplified98.0%
associate-*r*N/A
*-commutativeN/A
add-sqr-sqrtN/A
unpow1/2N/A
unpow1/2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
PI-lowering-PI.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
PI-lowering-PI.f3298.0%
Applied egg-rr98.0%
Taylor expanded in uy around 0
+-commutativeN/A
associate-+r+N/A
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
+-lowering-+.f32N/A
+-commutativeN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-commutativeN/A
Simplified76.1%
Taylor expanded in yi around inf
*-commutativeN/A
associate-*r*N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
*-lowering-*.f3261.2%
Simplified61.2%
if -5.00000006e-8 < yi < 4.99999987e-6Initial program 99.3%
Simplified99.3%
Taylor expanded in maxCos 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
Simplified99.3%
Taylor expanded in xi around inf
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3265.3%
Simplified65.3%
Taylor expanded in uy around 0
Simplified57.5%
Final simplification58.4%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (+ (+ xi (* ux (* maxCos zi))) (* 2.0 (* yi (* uy PI)))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return (xi + (ux * (maxCos * zi))) + (2.0f * (yi * (uy * ((float) M_PI))));
}
function code(xi, yi, zi, ux, uy, maxCos) return Float32(Float32(xi + Float32(ux * Float32(maxCos * zi))) + Float32(Float32(2.0) * Float32(yi * Float32(uy * Float32(pi))))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = (xi + (ux * (maxCos * zi))) + (single(2.0) * (yi * (uy * single(pi)))); end
\begin{array}{l}
\\
\left(xi + ux \cdot \left(maxCos \cdot zi\right)\right) + 2 \cdot \left(yi \cdot \left(uy \cdot \pi\right)\right)
\end{array}
Initial program 99.0%
Simplified99.0%
Taylor expanded in maxCos 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
Simplified99.0%
associate-*r*N/A
*-commutativeN/A
add-sqr-sqrtN/A
unpow1/2N/A
unpow1/2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
PI-lowering-PI.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
PI-lowering-PI.f3299.0%
Applied egg-rr99.0%
Taylor expanded in uy around 0
+-commutativeN/A
associate-+r+N/A
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
+-lowering-+.f32N/A
+-commutativeN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-commutativeN/A
Simplified81.7%
Taylor expanded in ux around 0
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-lowering-*.f3279.4%
Simplified79.4%
Final simplification79.4%
(FPCore (xi yi zi ux uy maxCos) :precision binary32 (+ xi (* 2.0 (* yi (* uy PI)))))
float code(float xi, float yi, float zi, float ux, float uy, float maxCos) {
return xi + (2.0f * (yi * (uy * ((float) M_PI))));
}
function code(xi, yi, zi, ux, uy, maxCos) return Float32(xi + Float32(Float32(2.0) * Float32(yi * Float32(uy * Float32(pi))))) end
function tmp = code(xi, yi, zi, ux, uy, maxCos) tmp = xi + (single(2.0) * (yi * (uy * single(pi)))); end
\begin{array}{l}
\\
xi + 2 \cdot \left(yi \cdot \left(uy \cdot \pi\right)\right)
\end{array}
Initial program 99.0%
Simplified99.0%
Taylor expanded in zi around inf
Simplified98.2%
Taylor expanded in maxCos around 0
*-lowering-*.f32N/A
+-lowering-+.f32N/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
Simplified89.0%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
+-lowering-+.f32N/A
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-commutativeN/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3273.4%
Simplified73.4%
(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 99.0%
Simplified99.0%
Taylor expanded in maxCos 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
Simplified99.0%
Taylor expanded in xi around inf
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f3253.2%
Simplified53.2%
Taylor expanded in uy around 0
Simplified47.0%
herbie shell --seed 2024145
(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)))