
(FPCore (ux uy maxCos) :precision binary32 (let* ((t_0 (+ (- 1.0 ux) (* ux maxCos)))) (* (cos (* (* uy 2.0) PI)) (sqrt (- 1.0 (* t_0 t_0))))))
float code(float ux, float uy, float maxCos) {
float t_0 = (1.0f - ux) + (ux * maxCos);
return cosf(((uy * 2.0f) * ((float) M_PI))) * sqrtf((1.0f - (t_0 * t_0)));
}
function code(ux, uy, maxCos) t_0 = Float32(Float32(Float32(1.0) - ux) + Float32(ux * maxCos)) return Float32(cos(Float32(Float32(uy * Float32(2.0)) * Float32(pi))) * sqrt(Float32(Float32(1.0) - Float32(t_0 * t_0)))) end
function tmp = code(ux, uy, maxCos) t_0 = (single(1.0) - ux) + (ux * maxCos); tmp = cos(((uy * single(2.0)) * single(pi))) * sqrt((single(1.0) - (t_0 * t_0))); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - ux\right) + ux \cdot maxCos\\
\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - t\_0 \cdot t\_0}
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 17 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (ux uy maxCos) :precision binary32 (let* ((t_0 (+ (- 1.0 ux) (* ux maxCos)))) (* (cos (* (* uy 2.0) PI)) (sqrt (- 1.0 (* t_0 t_0))))))
float code(float ux, float uy, float maxCos) {
float t_0 = (1.0f - ux) + (ux * maxCos);
return cosf(((uy * 2.0f) * ((float) M_PI))) * sqrtf((1.0f - (t_0 * t_0)));
}
function code(ux, uy, maxCos) t_0 = Float32(Float32(Float32(1.0) - ux) + Float32(ux * maxCos)) return Float32(cos(Float32(Float32(uy * Float32(2.0)) * Float32(pi))) * sqrt(Float32(Float32(1.0) - Float32(t_0 * t_0)))) end
function tmp = code(ux, uy, maxCos) t_0 = (single(1.0) - ux) + (ux * maxCos); tmp = cos(((uy * single(2.0)) * single(pi))) * sqrt((single(1.0) - (t_0 * t_0))); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(1 - ux\right) + ux \cdot maxCos\\
\cos \left(\left(uy \cdot 2\right) \cdot \pi\right) \cdot \sqrt{1 - t\_0 \cdot t\_0}
\end{array}
\end{array}
(FPCore (ux uy maxCos) :precision binary32 (* (pow (* ux (* (+ (* ux (+ maxCos -1.0)) 2.0) (- 1.0 maxCos))) 0.5) (cos (* 2.0 (* uy PI)))))
float code(float ux, float uy, float maxCos) {
return powf((ux * (((ux * (maxCos + -1.0f)) + 2.0f) * (1.0f - maxCos))), 0.5f) * cosf((2.0f * (uy * ((float) M_PI))));
}
function code(ux, uy, maxCos) return Float32((Float32(ux * Float32(Float32(Float32(ux * Float32(maxCos + Float32(-1.0))) + Float32(2.0)) * Float32(Float32(1.0) - maxCos))) ^ Float32(0.5)) * cos(Float32(Float32(2.0) * Float32(uy * Float32(pi))))) end
function tmp = code(ux, uy, maxCos) tmp = ((ux * (((ux * (maxCos + single(-1.0))) + single(2.0)) * (single(1.0) - maxCos))) ^ single(0.5)) * cos((single(2.0) * (uy * single(pi)))); end
\begin{array}{l}
\\
{\left(ux \cdot \left(\left(ux \cdot \left(maxCos + -1\right) + 2\right) \cdot \left(1 - maxCos\right)\right)\right)}^{0.5} \cdot \cos \left(2 \cdot \left(uy \cdot \pi\right)\right)
\end{array}
Initial program 55.7%
Simplified99.0%
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
Applied egg-rr99.1%
(FPCore (ux uy maxCos)
:precision binary32
(let* ((t_0 (* ux (- 1.0 maxCos))))
(if (<= (* 2.0 uy) 0.010499999858438969)
(*
(+ 1.0 (* (* -2.0 (* uy uy)) (* PI PI)))
(sqrt (+ t_0 (* t_0 (+ (* ux (+ maxCos -1.0)) 1.0)))))
(* (cos (* PI (* 2.0 uy))) (sqrt (+ ux (* ux (- 1.0 ux))))))))
float code(float ux, float uy, float maxCos) {
float t_0 = ux * (1.0f - maxCos);
float tmp;
if ((2.0f * uy) <= 0.010499999858438969f) {
tmp = (1.0f + ((-2.0f * (uy * uy)) * (((float) M_PI) * ((float) M_PI)))) * sqrtf((t_0 + (t_0 * ((ux * (maxCos + -1.0f)) + 1.0f))));
} else {
tmp = cosf((((float) M_PI) * (2.0f * uy))) * sqrtf((ux + (ux * (1.0f - ux))));
}
return tmp;
}
function code(ux, uy, maxCos) t_0 = Float32(ux * Float32(Float32(1.0) - maxCos)) tmp = Float32(0.0) if (Float32(Float32(2.0) * uy) <= Float32(0.010499999858438969)) tmp = Float32(Float32(Float32(1.0) + Float32(Float32(Float32(-2.0) * Float32(uy * uy)) * Float32(Float32(pi) * Float32(pi)))) * sqrt(Float32(t_0 + Float32(t_0 * Float32(Float32(ux * Float32(maxCos + Float32(-1.0))) + Float32(1.0)))))); else tmp = Float32(cos(Float32(Float32(pi) * Float32(Float32(2.0) * uy))) * sqrt(Float32(ux + Float32(ux * Float32(Float32(1.0) - ux))))); end return tmp end
function tmp_2 = code(ux, uy, maxCos) t_0 = ux * (single(1.0) - maxCos); tmp = single(0.0); if ((single(2.0) * uy) <= single(0.010499999858438969)) tmp = (single(1.0) + ((single(-2.0) * (uy * uy)) * (single(pi) * single(pi)))) * sqrt((t_0 + (t_0 * ((ux * (maxCos + single(-1.0))) + single(1.0))))); else tmp = cos((single(pi) * (single(2.0) * uy))) * sqrt((ux + (ux * (single(1.0) - ux)))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := ux \cdot \left(1 - maxCos\right)\\
\mathbf{if}\;2 \cdot uy \leq 0.010499999858438969:\\
\;\;\;\;\left(1 + \left(-2 \cdot \left(uy \cdot uy\right)\right) \cdot \left(\pi \cdot \pi\right)\right) \cdot \sqrt{t\_0 + t\_0 \cdot \left(ux \cdot \left(maxCos + -1\right) + 1\right)}\\
\mathbf{else}:\\
\;\;\;\;\cos \left(\pi \cdot \left(2 \cdot uy\right)\right) \cdot \sqrt{ux + ux \cdot \left(1 - ux\right)}\\
\end{array}
\end{array}
if (*.f32 uy #s(literal 2 binary32)) < 0.0104999999Initial program 54.0%
Simplified99.4%
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
Applied egg-rr99.5%
Taylor expanded in uy around inf
*-commutativeN/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
--lowering--.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f3299.4%
Simplified99.4%
metadata-evalN/A
associate-+r+N/A
associate-*r*N/A
+-commutativeN/A
distribute-rgt-inN/A
*-lft-identityN/A
+-lowering-+.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
--lowering--.f3299.5%
Applied egg-rr99.5%
Taylor expanded in uy around 0
+-lowering-+.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
PI-lowering-PI.f3299.5%
Simplified99.5%
if 0.0104999999 < (*.f32 uy #s(literal 2 binary32)) Initial program 60.8%
Simplified97.8%
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
Applied egg-rr97.9%
Taylor expanded in uy around inf
*-commutativeN/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
--lowering--.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f3297.9%
Simplified97.9%
metadata-evalN/A
associate-+r+N/A
associate-*r*N/A
+-commutativeN/A
distribute-rgt-inN/A
*-lft-identityN/A
+-lowering-+.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
--lowering--.f3297.9%
Applied egg-rr97.9%
Taylor expanded in maxCos around 0
+-lowering-+.f32N/A
*-lowering-*.f32N/A
mul-1-negN/A
unsub-negN/A
--lowering--.f3292.5%
Simplified92.5%
Final simplification97.7%
(FPCore (ux uy maxCos) :precision binary32 (* (cos (* 2.0 (* uy PI))) (sqrt (* ux (* (+ (* ux (+ maxCos -1.0)) 2.0) (- 1.0 maxCos))))))
float code(float ux, float uy, float maxCos) {
return cosf((2.0f * (uy * ((float) M_PI)))) * sqrtf((ux * (((ux * (maxCos + -1.0f)) + 2.0f) * (1.0f - maxCos))));
}
function code(ux, uy, maxCos) return Float32(cos(Float32(Float32(2.0) * Float32(uy * Float32(pi)))) * sqrt(Float32(ux * Float32(Float32(Float32(ux * Float32(maxCos + Float32(-1.0))) + Float32(2.0)) * Float32(Float32(1.0) - maxCos))))) end
function tmp = code(ux, uy, maxCos) tmp = cos((single(2.0) * (uy * single(pi)))) * sqrt((ux * (((ux * (maxCos + single(-1.0))) + single(2.0)) * (single(1.0) - maxCos)))); end
\begin{array}{l}
\\
\cos \left(2 \cdot \left(uy \cdot \pi\right)\right) \cdot \sqrt{ux \cdot \left(\left(ux \cdot \left(maxCos + -1\right) + 2\right) \cdot \left(1 - maxCos\right)\right)}
\end{array}
Initial program 55.7%
Simplified99.0%
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
associate-+r+N/A
metadata-evalN/A
+-commutativeN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
--lowering--.f3299.0%
Applied egg-rr99.0%
Final simplification99.0%
(FPCore (ux uy maxCos)
:precision binary32
(let* ((t_0 (* ux (- 1.0 maxCos))))
(if (<= uy 0.005200000014156103)
(*
(+ 1.0 (* (* -2.0 (* uy uy)) (* PI PI)))
(sqrt (+ t_0 (* t_0 (+ (* ux (+ maxCos -1.0)) 1.0)))))
(* (cos (* 2.0 (* uy PI))) (sqrt (* ux (- 2.0 ux)))))))
float code(float ux, float uy, float maxCos) {
float t_0 = ux * (1.0f - maxCos);
float tmp;
if (uy <= 0.005200000014156103f) {
tmp = (1.0f + ((-2.0f * (uy * uy)) * (((float) M_PI) * ((float) M_PI)))) * sqrtf((t_0 + (t_0 * ((ux * (maxCos + -1.0f)) + 1.0f))));
} else {
tmp = cosf((2.0f * (uy * ((float) M_PI)))) * sqrtf((ux * (2.0f - ux)));
}
return tmp;
}
function code(ux, uy, maxCos) t_0 = Float32(ux * Float32(Float32(1.0) - maxCos)) tmp = Float32(0.0) if (uy <= Float32(0.005200000014156103)) tmp = Float32(Float32(Float32(1.0) + Float32(Float32(Float32(-2.0) * Float32(uy * uy)) * Float32(Float32(pi) * Float32(pi)))) * sqrt(Float32(t_0 + Float32(t_0 * Float32(Float32(ux * Float32(maxCos + Float32(-1.0))) + Float32(1.0)))))); else tmp = Float32(cos(Float32(Float32(2.0) * Float32(uy * Float32(pi)))) * sqrt(Float32(ux * Float32(Float32(2.0) - ux)))); end return tmp end
function tmp_2 = code(ux, uy, maxCos) t_0 = ux * (single(1.0) - maxCos); tmp = single(0.0); if (uy <= single(0.005200000014156103)) tmp = (single(1.0) + ((single(-2.0) * (uy * uy)) * (single(pi) * single(pi)))) * sqrt((t_0 + (t_0 * ((ux * (maxCos + single(-1.0))) + single(1.0))))); else tmp = cos((single(2.0) * (uy * single(pi)))) * sqrt((ux * (single(2.0) - ux))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := ux \cdot \left(1 - maxCos\right)\\
\mathbf{if}\;uy \leq 0.005200000014156103:\\
\;\;\;\;\left(1 + \left(-2 \cdot \left(uy \cdot uy\right)\right) \cdot \left(\pi \cdot \pi\right)\right) \cdot \sqrt{t\_0 + t\_0 \cdot \left(ux \cdot \left(maxCos + -1\right) + 1\right)}\\
\mathbf{else}:\\
\;\;\;\;\cos \left(2 \cdot \left(uy \cdot \pi\right)\right) \cdot \sqrt{ux \cdot \left(2 - ux\right)}\\
\end{array}
\end{array}
if uy < 0.00520000001Initial program 54.0%
Simplified99.4%
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
Applied egg-rr99.5%
Taylor expanded in uy around inf
*-commutativeN/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
--lowering--.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f3299.4%
Simplified99.4%
metadata-evalN/A
associate-+r+N/A
associate-*r*N/A
+-commutativeN/A
distribute-rgt-inN/A
*-lft-identityN/A
+-lowering-+.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
--lowering--.f3299.5%
Applied egg-rr99.5%
Taylor expanded in uy around 0
+-lowering-+.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
PI-lowering-PI.f3299.5%
Simplified99.5%
if 0.00520000001 < uy Initial program 60.8%
Simplified97.8%
Taylor expanded in maxCos around 0
*-commutativeN/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
*-lowering-*.f32N/A
mul-1-negN/A
unsub-negN/A
--lowering--.f3292.4%
Simplified92.4%
Final simplification97.6%
(FPCore (ux uy maxCos) :precision binary32 (* (cos (* 2.0 (* uy PI))) (sqrt (* ux (* (- 1.0 maxCos) (- 2.0 ux))))))
float code(float ux, float uy, float maxCos) {
return cosf((2.0f * (uy * ((float) M_PI)))) * sqrtf((ux * ((1.0f - maxCos) * (2.0f - ux))));
}
function code(ux, uy, maxCos) return Float32(cos(Float32(Float32(2.0) * Float32(uy * Float32(pi)))) * sqrt(Float32(ux * Float32(Float32(Float32(1.0) - maxCos) * Float32(Float32(2.0) - ux))))) end
function tmp = code(ux, uy, maxCos) tmp = cos((single(2.0) * (uy * single(pi)))) * sqrt((ux * ((single(1.0) - maxCos) * (single(2.0) - ux)))); end
\begin{array}{l}
\\
\cos \left(2 \cdot \left(uy \cdot \pi\right)\right) \cdot \sqrt{ux \cdot \left(\left(1 - maxCos\right) \cdot \left(2 - ux\right)\right)}
\end{array}
Initial program 55.7%
Simplified99.0%
Taylor expanded in maxCos around 0
mul-1-negN/A
unsub-negN/A
--lowering--.f3298.2%
Simplified98.2%
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
--lowering--.f3298.2%
Applied egg-rr98.2%
Final simplification98.2%
(FPCore (ux uy maxCos) :precision binary32 (* (cos (* 2.0 (* uy PI))) (sqrt (* (- 2.0 ux) (* ux (- 1.0 maxCos))))))
float code(float ux, float uy, float maxCos) {
return cosf((2.0f * (uy * ((float) M_PI)))) * sqrtf(((2.0f - ux) * (ux * (1.0f - maxCos))));
}
function code(ux, uy, maxCos) return Float32(cos(Float32(Float32(2.0) * Float32(uy * Float32(pi)))) * sqrt(Float32(Float32(Float32(2.0) - ux) * Float32(ux * Float32(Float32(1.0) - maxCos))))) end
function tmp = code(ux, uy, maxCos) tmp = cos((single(2.0) * (uy * single(pi)))) * sqrt(((single(2.0) - ux) * (ux * (single(1.0) - maxCos)))); end
\begin{array}{l}
\\
\cos \left(2 \cdot \left(uy \cdot \pi\right)\right) \cdot \sqrt{\left(2 - ux\right) \cdot \left(ux \cdot \left(1 - maxCos\right)\right)}
\end{array}
Initial program 55.7%
Simplified99.0%
Taylor expanded in maxCos around 0
mul-1-negN/A
unsub-negN/A
--lowering--.f3298.2%
Simplified98.2%
Final simplification98.2%
(FPCore (ux uy maxCos)
:precision binary32
(let* ((t_0 (* ux (- 1.0 maxCos))))
(if (<= uy 0.03500000014901161)
(*
(+ 1.0 (* (* -2.0 (* uy uy)) (* PI PI)))
(sqrt (+ t_0 (* t_0 (+ (* ux (+ maxCos -1.0)) 1.0)))))
(* (cos (* 2.0 (* uy PI))) (sqrt (* ux 2.0))))))
float code(float ux, float uy, float maxCos) {
float t_0 = ux * (1.0f - maxCos);
float tmp;
if (uy <= 0.03500000014901161f) {
tmp = (1.0f + ((-2.0f * (uy * uy)) * (((float) M_PI) * ((float) M_PI)))) * sqrtf((t_0 + (t_0 * ((ux * (maxCos + -1.0f)) + 1.0f))));
} else {
tmp = cosf((2.0f * (uy * ((float) M_PI)))) * sqrtf((ux * 2.0f));
}
return tmp;
}
function code(ux, uy, maxCos) t_0 = Float32(ux * Float32(Float32(1.0) - maxCos)) tmp = Float32(0.0) if (uy <= Float32(0.03500000014901161)) tmp = Float32(Float32(Float32(1.0) + Float32(Float32(Float32(-2.0) * Float32(uy * uy)) * Float32(Float32(pi) * Float32(pi)))) * sqrt(Float32(t_0 + Float32(t_0 * Float32(Float32(ux * Float32(maxCos + Float32(-1.0))) + Float32(1.0)))))); else tmp = Float32(cos(Float32(Float32(2.0) * Float32(uy * Float32(pi)))) * sqrt(Float32(ux * Float32(2.0)))); end return tmp end
function tmp_2 = code(ux, uy, maxCos) t_0 = ux * (single(1.0) - maxCos); tmp = single(0.0); if (uy <= single(0.03500000014901161)) tmp = (single(1.0) + ((single(-2.0) * (uy * uy)) * (single(pi) * single(pi)))) * sqrt((t_0 + (t_0 * ((ux * (maxCos + single(-1.0))) + single(1.0))))); else tmp = cos((single(2.0) * (uy * single(pi)))) * sqrt((ux * single(2.0))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := ux \cdot \left(1 - maxCos\right)\\
\mathbf{if}\;uy \leq 0.03500000014901161:\\
\;\;\;\;\left(1 + \left(-2 \cdot \left(uy \cdot uy\right)\right) \cdot \left(\pi \cdot \pi\right)\right) \cdot \sqrt{t\_0 + t\_0 \cdot \left(ux \cdot \left(maxCos + -1\right) + 1\right)}\\
\mathbf{else}:\\
\;\;\;\;\cos \left(2 \cdot \left(uy \cdot \pi\right)\right) \cdot \sqrt{ux \cdot 2}\\
\end{array}
\end{array}
if uy < 0.0350000001Initial program 54.8%
Simplified99.4%
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
Applied egg-rr99.4%
Taylor expanded in uy around inf
*-commutativeN/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
--lowering--.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f3299.4%
Simplified99.4%
metadata-evalN/A
associate-+r+N/A
associate-*r*N/A
+-commutativeN/A
distribute-rgt-inN/A
*-lft-identityN/A
+-lowering-+.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
--lowering--.f3299.4%
Applied egg-rr99.4%
Taylor expanded in uy around 0
+-lowering-+.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
PI-lowering-PI.f3297.9%
Simplified97.9%
if 0.0350000001 < uy Initial program 60.4%
Simplified97.3%
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
Applied egg-rr97.3%
Taylor expanded in maxCos around 0
mul-1-negN/A
sub-negN/A
sqrt-lowering-sqrt.f32N/A
*-lowering-*.f32N/A
--lowering--.f3292.0%
Simplified92.0%
Taylor expanded in ux around 0
*-commutativeN/A
*-lowering-*.f3269.5%
Simplified69.5%
Final simplification93.0%
(FPCore (ux uy maxCos)
:precision binary32
(let* ((t_0 (* ux (- 1.0 maxCos))))
(*
(+ 1.0 (* (* -2.0 (* uy uy)) (* PI PI)))
(sqrt (+ t_0 (* t_0 (+ (* ux (+ maxCos -1.0)) 1.0)))))))
float code(float ux, float uy, float maxCos) {
float t_0 = ux * (1.0f - maxCos);
return (1.0f + ((-2.0f * (uy * uy)) * (((float) M_PI) * ((float) M_PI)))) * sqrtf((t_0 + (t_0 * ((ux * (maxCos + -1.0f)) + 1.0f))));
}
function code(ux, uy, maxCos) t_0 = Float32(ux * Float32(Float32(1.0) - maxCos)) return Float32(Float32(Float32(1.0) + Float32(Float32(Float32(-2.0) * Float32(uy * uy)) * Float32(Float32(pi) * Float32(pi)))) * sqrt(Float32(t_0 + Float32(t_0 * Float32(Float32(ux * Float32(maxCos + Float32(-1.0))) + Float32(1.0)))))) end
function tmp = code(ux, uy, maxCos) t_0 = ux * (single(1.0) - maxCos); tmp = (single(1.0) + ((single(-2.0) * (uy * uy)) * (single(pi) * single(pi)))) * sqrt((t_0 + (t_0 * ((ux * (maxCos + single(-1.0))) + single(1.0))))); end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := ux \cdot \left(1 - maxCos\right)\\
\left(1 + \left(-2 \cdot \left(uy \cdot uy\right)\right) \cdot \left(\pi \cdot \pi\right)\right) \cdot \sqrt{t\_0 + t\_0 \cdot \left(ux \cdot \left(maxCos + -1\right) + 1\right)}
\end{array}
\end{array}
Initial program 55.7%
Simplified99.0%
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
Applied egg-rr99.1%
Taylor expanded in uy around inf
*-commutativeN/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
--lowering--.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f3299.0%
Simplified99.0%
metadata-evalN/A
associate-+r+N/A
associate-*r*N/A
+-commutativeN/A
distribute-rgt-inN/A
*-lft-identityN/A
+-lowering-+.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
--lowering--.f3299.0%
Applied egg-rr99.0%
Taylor expanded in uy around 0
+-lowering-+.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
PI-lowering-PI.f3286.5%
Simplified86.5%
Final simplification86.5%
(FPCore (ux uy maxCos) :precision binary32 (* (pow (* ux (* (+ (* ux (+ maxCos -1.0)) 2.0) (- 1.0 maxCos))) 0.5) (+ 1.0 (* (* -2.0 (* uy uy)) (* PI PI)))))
float code(float ux, float uy, float maxCos) {
return powf((ux * (((ux * (maxCos + -1.0f)) + 2.0f) * (1.0f - maxCos))), 0.5f) * (1.0f + ((-2.0f * (uy * uy)) * (((float) M_PI) * ((float) M_PI))));
}
function code(ux, uy, maxCos) return Float32((Float32(ux * Float32(Float32(Float32(ux * Float32(maxCos + Float32(-1.0))) + Float32(2.0)) * Float32(Float32(1.0) - maxCos))) ^ Float32(0.5)) * Float32(Float32(1.0) + Float32(Float32(Float32(-2.0) * Float32(uy * uy)) * Float32(Float32(pi) * Float32(pi))))) end
function tmp = code(ux, uy, maxCos) tmp = ((ux * (((ux * (maxCos + single(-1.0))) + single(2.0)) * (single(1.0) - maxCos))) ^ single(0.5)) * (single(1.0) + ((single(-2.0) * (uy * uy)) * (single(pi) * single(pi)))); end
\begin{array}{l}
\\
{\left(ux \cdot \left(\left(ux \cdot \left(maxCos + -1\right) + 2\right) \cdot \left(1 - maxCos\right)\right)\right)}^{0.5} \cdot \left(1 + \left(-2 \cdot \left(uy \cdot uy\right)\right) \cdot \left(\pi \cdot \pi\right)\right)
\end{array}
Initial program 55.7%
Simplified99.0%
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
Applied egg-rr99.1%
Taylor expanded in uy around 0
+-lowering-+.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
PI-lowering-PI.f3286.5%
Simplified86.5%
(FPCore (ux uy maxCos) :precision binary32 (* (sqrt (* ux (* (+ (* ux (+ maxCos -1.0)) 2.0) (- 1.0 maxCos)))) (+ 1.0 (* (* -2.0 (* uy uy)) (* PI PI)))))
float code(float ux, float uy, float maxCos) {
return sqrtf((ux * (((ux * (maxCos + -1.0f)) + 2.0f) * (1.0f - maxCos)))) * (1.0f + ((-2.0f * (uy * uy)) * (((float) M_PI) * ((float) M_PI))));
}
function code(ux, uy, maxCos) return Float32(sqrt(Float32(ux * Float32(Float32(Float32(ux * Float32(maxCos + Float32(-1.0))) + Float32(2.0)) * Float32(Float32(1.0) - maxCos)))) * Float32(Float32(1.0) + Float32(Float32(Float32(-2.0) * Float32(uy * uy)) * Float32(Float32(pi) * Float32(pi))))) end
function tmp = code(ux, uy, maxCos) tmp = sqrt((ux * (((ux * (maxCos + single(-1.0))) + single(2.0)) * (single(1.0) - maxCos)))) * (single(1.0) + ((single(-2.0) * (uy * uy)) * (single(pi) * single(pi)))); end
\begin{array}{l}
\\
\sqrt{ux \cdot \left(\left(ux \cdot \left(maxCos + -1\right) + 2\right) \cdot \left(1 - maxCos\right)\right)} \cdot \left(1 + \left(-2 \cdot \left(uy \cdot uy\right)\right) \cdot \left(\pi \cdot \pi\right)\right)
\end{array}
Initial program 55.7%
Simplified99.0%
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
Applied egg-rr99.1%
Taylor expanded in uy around inf
*-commutativeN/A
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
--lowering--.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f3299.0%
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
unpow2N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
PI-lowering-PI.f3286.5%
Simplified86.5%
Final simplification86.5%
(FPCore (ux uy maxCos) :precision binary32 (if (<= uy 0.00023499999952036887) (sqrt (* ux (* (+ (* ux (+ maxCos -1.0)) 2.0) (- 1.0 maxCos)))) (* (+ 1.0 (* (* -2.0 (* uy uy)) (* PI PI))) (sqrt (* ux (- 2.0 ux))))))
float code(float ux, float uy, float maxCos) {
float tmp;
if (uy <= 0.00023499999952036887f) {
tmp = sqrtf((ux * (((ux * (maxCos + -1.0f)) + 2.0f) * (1.0f - maxCos))));
} else {
tmp = (1.0f + ((-2.0f * (uy * uy)) * (((float) M_PI) * ((float) M_PI)))) * sqrtf((ux * (2.0f - ux)));
}
return tmp;
}
function code(ux, uy, maxCos) tmp = Float32(0.0) if (uy <= Float32(0.00023499999952036887)) tmp = sqrt(Float32(ux * Float32(Float32(Float32(ux * Float32(maxCos + Float32(-1.0))) + Float32(2.0)) * Float32(Float32(1.0) - maxCos)))); else tmp = Float32(Float32(Float32(1.0) + Float32(Float32(Float32(-2.0) * Float32(uy * uy)) * Float32(Float32(pi) * Float32(pi)))) * sqrt(Float32(ux * Float32(Float32(2.0) - ux)))); end return tmp end
function tmp_2 = code(ux, uy, maxCos) tmp = single(0.0); if (uy <= single(0.00023499999952036887)) tmp = sqrt((ux * (((ux * (maxCos + single(-1.0))) + single(2.0)) * (single(1.0) - maxCos)))); else tmp = (single(1.0) + ((single(-2.0) * (uy * uy)) * (single(pi) * single(pi)))) * sqrt((ux * (single(2.0) - ux))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;uy \leq 0.00023499999952036887:\\
\;\;\;\;\sqrt{ux \cdot \left(\left(ux \cdot \left(maxCos + -1\right) + 2\right) \cdot \left(1 - maxCos\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;\left(1 + \left(-2 \cdot \left(uy \cdot uy\right)\right) \cdot \left(\pi \cdot \pi\right)\right) \cdot \sqrt{ux \cdot \left(2 - ux\right)}\\
\end{array}
\end{array}
if uy < 2.35e-4Initial program 55.0%
Simplified99.5%
Taylor expanded in uy around 0
sqrt-lowering-sqrt.f32N/A
*-commutativeN/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
--lowering--.f3299.0%
Simplified99.0%
*-commutativeN/A
associate-*r*N/A
+-commutativeN/A
*-lowering-*.f32N/A
+-commutativeN/A
*-commutativeN/A
*-lowering-*.f32N/A
--lowering--.f32N/A
+-commutativeN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
+-lowering-+.f3299.1%
Applied egg-rr99.1%
if 2.35e-4 < uy Initial program 56.8%
Simplified98.2%
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
*-lowering-*.f32N/A
Applied egg-rr98.3%
Taylor expanded in maxCos around 0
mul-1-negN/A
sub-negN/A
sqrt-lowering-sqrt.f32N/A
*-lowering-*.f32N/A
--lowering--.f3292.2%
Simplified92.2%
Taylor expanded in uy around 0
+-lowering-+.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
PI-lowering-PI.f3263.3%
Simplified63.3%
Final simplification85.1%
(FPCore (ux uy maxCos) :precision binary32 (* (sqrt (* (- 2.0 ux) (* ux (- 1.0 maxCos)))) (+ 1.0 (* (* -2.0 (* uy uy)) (* PI PI)))))
float code(float ux, float uy, float maxCos) {
return sqrtf(((2.0f - ux) * (ux * (1.0f - maxCos)))) * (1.0f + ((-2.0f * (uy * uy)) * (((float) M_PI) * ((float) M_PI))));
}
function code(ux, uy, maxCos) return Float32(sqrt(Float32(Float32(Float32(2.0) - ux) * Float32(ux * Float32(Float32(1.0) - maxCos)))) * Float32(Float32(1.0) + Float32(Float32(Float32(-2.0) * Float32(uy * uy)) * Float32(Float32(pi) * Float32(pi))))) end
function tmp = code(ux, uy, maxCos) tmp = sqrt(((single(2.0) - ux) * (ux * (single(1.0) - maxCos)))) * (single(1.0) + ((single(-2.0) * (uy * uy)) * (single(pi) * single(pi)))); end
\begin{array}{l}
\\
\sqrt{\left(2 - ux\right) \cdot \left(ux \cdot \left(1 - maxCos\right)\right)} \cdot \left(1 + \left(-2 \cdot \left(uy \cdot uy\right)\right) \cdot \left(\pi \cdot \pi\right)\right)
\end{array}
Initial program 55.7%
Simplified99.0%
Taylor expanded in maxCos around 0
mul-1-negN/A
unsub-negN/A
--lowering--.f3298.2%
Simplified98.2%
Taylor expanded in uy around 0
+-lowering-+.f32N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
PI-lowering-PI.f3285.8%
Simplified85.8%
Final simplification85.8%
(FPCore (ux uy maxCos) :precision binary32 (sqrt (* ux (* (+ (* ux (+ maxCos -1.0)) 2.0) (- 1.0 maxCos)))))
float code(float ux, float uy, float maxCos) {
return sqrtf((ux * (((ux * (maxCos + -1.0f)) + 2.0f) * (1.0f - maxCos))));
}
real(4) function code(ux, uy, maxcos)
real(4), intent (in) :: ux
real(4), intent (in) :: uy
real(4), intent (in) :: maxcos
code = sqrt((ux * (((ux * (maxcos + (-1.0e0))) + 2.0e0) * (1.0e0 - maxcos))))
end function
function code(ux, uy, maxCos) return sqrt(Float32(ux * Float32(Float32(Float32(ux * Float32(maxCos + Float32(-1.0))) + Float32(2.0)) * Float32(Float32(1.0) - maxCos)))) end
function tmp = code(ux, uy, maxCos) tmp = sqrt((ux * (((ux * (maxCos + single(-1.0))) + single(2.0)) * (single(1.0) - maxCos)))); end
\begin{array}{l}
\\
\sqrt{ux \cdot \left(\left(ux \cdot \left(maxCos + -1\right) + 2\right) \cdot \left(1 - maxCos\right)\right)}
\end{array}
Initial program 55.7%
Simplified99.0%
Taylor expanded in uy around 0
sqrt-lowering-sqrt.f32N/A
*-commutativeN/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
--lowering--.f3279.1%
Simplified79.1%
*-commutativeN/A
associate-*r*N/A
+-commutativeN/A
*-lowering-*.f32N/A
+-commutativeN/A
*-commutativeN/A
*-lowering-*.f32N/A
--lowering--.f32N/A
+-commutativeN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
+-lowering-+.f3279.1%
Applied egg-rr79.1%
Final simplification79.1%
(FPCore (ux uy maxCos) :precision binary32 (sqrt (* (- 2.0 ux) (* ux (- 1.0 maxCos)))))
float code(float ux, float uy, float maxCos) {
return sqrtf(((2.0f - ux) * (ux * (1.0f - maxCos))));
}
real(4) function code(ux, uy, maxcos)
real(4), intent (in) :: ux
real(4), intent (in) :: uy
real(4), intent (in) :: maxcos
code = sqrt(((2.0e0 - ux) * (ux * (1.0e0 - maxcos))))
end function
function code(ux, uy, maxCos) return sqrt(Float32(Float32(Float32(2.0) - ux) * Float32(ux * Float32(Float32(1.0) - maxCos)))) end
function tmp = code(ux, uy, maxCos) tmp = sqrt(((single(2.0) - ux) * (ux * (single(1.0) - maxCos)))); end
\begin{array}{l}
\\
\sqrt{\left(2 - ux\right) \cdot \left(ux \cdot \left(1 - maxCos\right)\right)}
\end{array}
Initial program 55.7%
Simplified99.0%
Taylor expanded in uy around 0
sqrt-lowering-sqrt.f32N/A
*-commutativeN/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
--lowering--.f3279.1%
Simplified79.1%
Taylor expanded in maxCos around 0
mul-1-negN/A
sub-negN/A
--lowering--.f3278.5%
Simplified78.5%
(FPCore (ux uy maxCos) :precision binary32 (sqrt (- (* ux 2.0) (* ux ux))))
float code(float ux, float uy, float maxCos) {
return sqrtf(((ux * 2.0f) - (ux * ux)));
}
real(4) function code(ux, uy, maxcos)
real(4), intent (in) :: ux
real(4), intent (in) :: uy
real(4), intent (in) :: maxcos
code = sqrt(((ux * 2.0e0) - (ux * ux)))
end function
function code(ux, uy, maxCos) return sqrt(Float32(Float32(ux * Float32(2.0)) - Float32(ux * ux))) end
function tmp = code(ux, uy, maxCos) tmp = sqrt(((ux * single(2.0)) - (ux * ux))); end
\begin{array}{l}
\\
\sqrt{ux \cdot 2 - ux \cdot ux}
\end{array}
Initial program 55.7%
Simplified99.0%
Taylor expanded in uy around 0
sqrt-lowering-sqrt.f32N/A
*-commutativeN/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
--lowering--.f3279.1%
Simplified79.1%
Taylor expanded in maxCos around 0
mul-1-negN/A
sub-negN/A
*-lowering-*.f32N/A
--lowering--.f3274.5%
Simplified74.5%
sub-negN/A
distribute-rgt-inN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
neg-lowering-neg.f3274.6%
Applied egg-rr74.6%
Final simplification74.6%
(FPCore (ux uy maxCos) :precision binary32 (sqrt (* ux (- 2.0 ux))))
float code(float ux, float uy, float maxCos) {
return sqrtf((ux * (2.0f - ux)));
}
real(4) function code(ux, uy, maxcos)
real(4), intent (in) :: ux
real(4), intent (in) :: uy
real(4), intent (in) :: maxcos
code = sqrt((ux * (2.0e0 - ux)))
end function
function code(ux, uy, maxCos) return sqrt(Float32(ux * Float32(Float32(2.0) - ux))) end
function tmp = code(ux, uy, maxCos) tmp = sqrt((ux * (single(2.0) - ux))); end
\begin{array}{l}
\\
\sqrt{ux \cdot \left(2 - ux\right)}
\end{array}
Initial program 55.7%
Simplified99.0%
Taylor expanded in uy around 0
sqrt-lowering-sqrt.f32N/A
*-commutativeN/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
--lowering--.f3279.1%
Simplified79.1%
Taylor expanded in maxCos around 0
mul-1-negN/A
sub-negN/A
*-lowering-*.f32N/A
--lowering--.f3274.5%
Simplified74.5%
(FPCore (ux uy maxCos) :precision binary32 (sqrt (* ux 2.0)))
float code(float ux, float uy, float maxCos) {
return sqrtf((ux * 2.0f));
}
real(4) function code(ux, uy, maxcos)
real(4), intent (in) :: ux
real(4), intent (in) :: uy
real(4), intent (in) :: maxcos
code = sqrt((ux * 2.0e0))
end function
function code(ux, uy, maxCos) return sqrt(Float32(ux * Float32(2.0))) end
function tmp = code(ux, uy, maxCos) tmp = sqrt((ux * single(2.0))); end
\begin{array}{l}
\\
\sqrt{ux \cdot 2}
\end{array}
Initial program 55.7%
Simplified99.0%
Taylor expanded in uy around 0
sqrt-lowering-sqrt.f32N/A
*-commutativeN/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
--lowering--.f3279.1%
Simplified79.1%
Taylor expanded in maxCos around 0
mul-1-negN/A
sub-negN/A
*-lowering-*.f32N/A
--lowering--.f3274.5%
Simplified74.5%
Taylor expanded in ux around 0
*-commutativeN/A
*-lowering-*.f3261.5%
Simplified61.5%
herbie shell --seed 2024191
(FPCore (ux uy maxCos)
:name "UniformSampleCone, x"
:precision binary32
:pre (and (and (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) (* ux maxCos)) (+ (- 1.0 ux) (* ux maxCos)))))))