
(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 13 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 (* (sqrt (* (* ux (- 1.0 maxCos)) (+ 1.0 (+ 1.0 (* ux (+ maxCos -1.0)))))) (cos (* (* 2.0 uy) PI))))
float code(float ux, float uy, float maxCos) {
return sqrtf(((ux * (1.0f - maxCos)) * (1.0f + (1.0f + (ux * (maxCos + -1.0f)))))) * cosf(((2.0f * uy) * ((float) M_PI)));
}
function code(ux, uy, maxCos) return Float32(sqrt(Float32(Float32(ux * Float32(Float32(1.0) - maxCos)) * Float32(Float32(1.0) + Float32(Float32(1.0) + Float32(ux * Float32(maxCos + Float32(-1.0))))))) * cos(Float32(Float32(Float32(2.0) * uy) * Float32(pi)))) end
function tmp = code(ux, uy, maxCos) tmp = sqrt(((ux * (single(1.0) - maxCos)) * (single(1.0) + (single(1.0) + (ux * (maxCos + single(-1.0))))))) * cos(((single(2.0) * uy) * single(pi))); end
\begin{array}{l}
\\
\sqrt{\left(ux \cdot \left(1 - maxCos\right)\right) \cdot \left(1 + \left(1 + ux \cdot \left(maxCos + -1\right)\right)\right)} \cdot \cos \left(\left(2 \cdot uy\right) \cdot \pi\right)
\end{array}
Initial program 55.9%
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
sub-negN/A
+-lowering-+.f32N/A
distribute-rgt-neg-inN/A
Simplified56.0%
+-commutativeN/A
distribute-rgt-inN/A
associate-+l+N/A
+-lowering-+.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
Applied egg-rr62.0%
associate-+r+N/A
metadata-evalN/A
+-lft-identityN/A
sub-negN/A
distribute-rgt-inN/A
*-lft-identityN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
neg-lowering-neg.f3298.9%
Applied egg-rr98.9%
Taylor expanded in uy around inf
*-commutativeN/A
*-lowering-*.f32N/A
Simplified98.9%
*-commutativeN/A
distribute-rgt1-inN/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f3299.1%
Applied egg-rr99.1%
Final simplification99.1%
(FPCore (ux uy maxCos)
:precision binary32
(if (<= uy 0.005200000014156103)
(*
(+ 1.0 (* (* -2.0 (* uy uy)) (* PI PI)))
(sqrt (* ux (* (- 1.0 maxCos) (+ 1.0 (+ 1.0 (* ux (+ maxCos -1.0))))))))
(*
(cos (* (* 2.0 uy) PI))
(sqrt (+ (* ux (- 1.0 maxCos)) (* ux (- 1.0 ux)))))))
float code(float ux, float uy, float maxCos) {
float tmp;
if (uy <= 0.005200000014156103f) {
tmp = (1.0f + ((-2.0f * (uy * uy)) * (((float) M_PI) * ((float) M_PI)))) * sqrtf((ux * ((1.0f - maxCos) * (1.0f + (1.0f + (ux * (maxCos + -1.0f)))))));
} else {
tmp = cosf(((2.0f * uy) * ((float) M_PI))) * sqrtf(((ux * (1.0f - maxCos)) + (ux * (1.0f - ux))));
}
return tmp;
}
function code(ux, uy, 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(ux * Float32(Float32(Float32(1.0) - maxCos) * Float32(Float32(1.0) + Float32(Float32(1.0) + Float32(ux * Float32(maxCos + Float32(-1.0))))))))); else tmp = Float32(cos(Float32(Float32(Float32(2.0) * uy) * Float32(pi))) * sqrt(Float32(Float32(ux * Float32(Float32(1.0) - maxCos)) + Float32(ux * Float32(Float32(1.0) - ux))))); end return tmp end
function tmp_2 = code(ux, uy, maxCos) tmp = single(0.0); if (uy <= single(0.005200000014156103)) tmp = (single(1.0) + ((single(-2.0) * (uy * uy)) * (single(pi) * single(pi)))) * sqrt((ux * ((single(1.0) - maxCos) * (single(1.0) + (single(1.0) + (ux * (maxCos + single(-1.0)))))))); else tmp = cos(((single(2.0) * uy) * single(pi))) * sqrt(((ux * (single(1.0) - maxCos)) + (ux * (single(1.0) - ux)))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\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{ux \cdot \left(\left(1 - maxCos\right) \cdot \left(1 + \left(1 + ux \cdot \left(maxCos + -1\right)\right)\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;\cos \left(\left(2 \cdot uy\right) \cdot \pi\right) \cdot \sqrt{ux \cdot \left(1 - maxCos\right) + ux \cdot \left(1 - ux\right)}\\
\end{array}
\end{array}
if uy < 0.00520000001Initial program 57.2%
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
sub-negN/A
+-lowering-+.f32N/A
distribute-rgt-neg-inN/A
Simplified57.3%
+-commutativeN/A
distribute-rgt-inN/A
associate-+l+N/A
+-lowering-+.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
Applied egg-rr62.4%
associate-+r+N/A
metadata-evalN/A
+-lft-identityN/A
sub-negN/A
distribute-rgt-inN/A
*-lft-identityN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
neg-lowering-neg.f3299.3%
Applied egg-rr99.3%
Taylor expanded in uy around inf
*-commutativeN/A
*-lowering-*.f32N/A
Simplified99.2%
Taylor expanded in uy around 0
associate-*r*N/A
distribute-rgt1-inN/A
+-commutativeN/A
*-commutativeN/A
associate-*r*N/A
*-lowering-*.f32N/A
Simplified99.4%
if 0.00520000001 < uy Initial program 52.3%
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
sub-negN/A
+-lowering-+.f32N/A
distribute-rgt-neg-inN/A
Simplified52.3%
+-commutativeN/A
distribute-rgt-inN/A
associate-+l+N/A
+-lowering-+.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
Applied egg-rr60.5%
associate-+r+N/A
metadata-evalN/A
+-lft-identityN/A
sub-negN/A
distribute-rgt-inN/A
*-lft-identityN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
neg-lowering-neg.f3297.8%
Applied egg-rr97.8%
Taylor expanded in uy around inf
*-commutativeN/A
*-lowering-*.f32N/A
Simplified97.9%
Taylor expanded in maxCos around 0
*-lowering-*.f32N/A
--lowering--.f3294.3%
Simplified94.3%
Final simplification98.1%
(FPCore (ux uy maxCos) :precision binary32 (* (cos (* uy (* 2.0 PI))) (sqrt (* ux (+ 1.0 (+ (* maxCos (+ (* ux 2.0) -2.0)) (- 1.0 ux)))))))
float code(float ux, float uy, float maxCos) {
return cosf((uy * (2.0f * ((float) M_PI)))) * sqrtf((ux * (1.0f + ((maxCos * ((ux * 2.0f) + -2.0f)) + (1.0f - ux)))));
}
function code(ux, uy, maxCos) return Float32(cos(Float32(uy * Float32(Float32(2.0) * Float32(pi)))) * sqrt(Float32(ux * Float32(Float32(1.0) + Float32(Float32(maxCos * Float32(Float32(ux * Float32(2.0)) + Float32(-2.0))) + Float32(Float32(1.0) - ux)))))) end
function tmp = code(ux, uy, maxCos) tmp = cos((uy * (single(2.0) * single(pi)))) * sqrt((ux * (single(1.0) + ((maxCos * ((ux * single(2.0)) + single(-2.0))) + (single(1.0) - ux))))); end
\begin{array}{l}
\\
\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot \sqrt{ux \cdot \left(1 + \left(maxCos \cdot \left(ux \cdot 2 + -2\right) + \left(1 - ux\right)\right)\right)}
\end{array}
Initial program 55.9%
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
sub-negN/A
+-lowering-+.f32N/A
distribute-rgt-neg-inN/A
Simplified56.0%
Taylor expanded in ux around 0
*-lowering-*.f32N/A
+-commutativeN/A
associate--l+N/A
+-lowering-+.f32N/A
Simplified99.0%
Taylor expanded in maxCos around 0
+-lowering-+.f32N/A
+-commutativeN/A
sub-negN/A
metadata-evalN/A
distribute-lft-inN/A
metadata-evalN/A
+-commutativeN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
mul-1-negN/A
sub-negN/A
--lowering--.f3298.7%
Simplified98.7%
(FPCore (ux uy maxCos)
:precision binary32
(if (<= uy 0.005200000014156103)
(*
(+ 1.0 (* (* -2.0 (* uy uy)) (* PI PI)))
(sqrt (* ux (* (- 1.0 maxCos) (+ 1.0 (+ 1.0 (* ux (+ maxCos -1.0))))))))
(* (cos (* uy (* 2.0 PI))) (sqrt (* ux (+ 1.0 (- 1.0 ux)))))))
float code(float ux, float uy, float maxCos) {
float tmp;
if (uy <= 0.005200000014156103f) {
tmp = (1.0f + ((-2.0f * (uy * uy)) * (((float) M_PI) * ((float) M_PI)))) * sqrtf((ux * ((1.0f - maxCos) * (1.0f + (1.0f + (ux * (maxCos + -1.0f)))))));
} else {
tmp = cosf((uy * (2.0f * ((float) M_PI)))) * sqrtf((ux * (1.0f + (1.0f - ux))));
}
return tmp;
}
function code(ux, uy, 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(ux * Float32(Float32(Float32(1.0) - maxCos) * Float32(Float32(1.0) + Float32(Float32(1.0) + Float32(ux * Float32(maxCos + Float32(-1.0))))))))); else tmp = Float32(cos(Float32(uy * Float32(Float32(2.0) * Float32(pi)))) * sqrt(Float32(ux * Float32(Float32(1.0) + Float32(Float32(1.0) - ux))))); end return tmp end
function tmp_2 = code(ux, uy, maxCos) tmp = single(0.0); if (uy <= single(0.005200000014156103)) tmp = (single(1.0) + ((single(-2.0) * (uy * uy)) * (single(pi) * single(pi)))) * sqrt((ux * ((single(1.0) - maxCos) * (single(1.0) + (single(1.0) + (ux * (maxCos + single(-1.0)))))))); else tmp = cos((uy * (single(2.0) * single(pi)))) * sqrt((ux * (single(1.0) + (single(1.0) - ux)))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\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{ux \cdot \left(\left(1 - maxCos\right) \cdot \left(1 + \left(1 + ux \cdot \left(maxCos + -1\right)\right)\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot \sqrt{ux \cdot \left(1 + \left(1 - ux\right)\right)}\\
\end{array}
\end{array}
if uy < 0.00520000001Initial program 57.2%
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
sub-negN/A
+-lowering-+.f32N/A
distribute-rgt-neg-inN/A
Simplified57.3%
+-commutativeN/A
distribute-rgt-inN/A
associate-+l+N/A
+-lowering-+.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
Applied egg-rr62.4%
associate-+r+N/A
metadata-evalN/A
+-lft-identityN/A
sub-negN/A
distribute-rgt-inN/A
*-lft-identityN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
neg-lowering-neg.f3299.3%
Applied egg-rr99.3%
Taylor expanded in uy around inf
*-commutativeN/A
*-lowering-*.f32N/A
Simplified99.2%
Taylor expanded in uy around 0
associate-*r*N/A
distribute-rgt1-inN/A
+-commutativeN/A
*-commutativeN/A
associate-*r*N/A
*-lowering-*.f32N/A
Simplified99.4%
if 0.00520000001 < uy Initial program 52.3%
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
sub-negN/A
+-lowering-+.f32N/A
distribute-rgt-neg-inN/A
Simplified52.3%
Taylor expanded in ux around 0
*-lowering-*.f32N/A
+-commutativeN/A
associate--l+N/A
+-lowering-+.f32N/A
Simplified98.0%
Taylor expanded in maxCos around 0
sub-negN/A
metadata-evalN/A
distribute-lft-inN/A
metadata-evalN/A
+-commutativeN/A
+-lowering-+.f32N/A
mul-1-negN/A
sub-negN/A
--lowering--.f3294.0%
Simplified94.0%
Final simplification98.0%
(FPCore (ux uy maxCos)
:precision binary32
(if (<= uy 0.005200000014156103)
(*
(+ 1.0 (* (* -2.0 (* uy uy)) (* PI PI)))
(sqrt (* ux (* (- 1.0 maxCos) (+ 1.0 (+ 1.0 (* ux (+ maxCos -1.0))))))))
(* (cos (* uy (* 2.0 PI))) (sqrt (* ux (- 2.0 ux))))))
float code(float ux, float uy, float maxCos) {
float tmp;
if (uy <= 0.005200000014156103f) {
tmp = (1.0f + ((-2.0f * (uy * uy)) * (((float) M_PI) * ((float) M_PI)))) * sqrtf((ux * ((1.0f - maxCos) * (1.0f + (1.0f + (ux * (maxCos + -1.0f)))))));
} else {
tmp = cosf((uy * (2.0f * ((float) M_PI)))) * sqrtf((ux * (2.0f - ux)));
}
return tmp;
}
function code(ux, uy, 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(ux * Float32(Float32(Float32(1.0) - maxCos) * Float32(Float32(1.0) + Float32(Float32(1.0) + Float32(ux * Float32(maxCos + Float32(-1.0))))))))); else tmp = Float32(cos(Float32(uy * Float32(Float32(2.0) * 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(0.005200000014156103)) tmp = (single(1.0) + ((single(-2.0) * (uy * uy)) * (single(pi) * single(pi)))) * sqrt((ux * ((single(1.0) - maxCos) * (single(1.0) + (single(1.0) + (ux * (maxCos + single(-1.0)))))))); else tmp = cos((uy * (single(2.0) * single(pi)))) * sqrt((ux * (single(2.0) - ux))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\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{ux \cdot \left(\left(1 - maxCos\right) \cdot \left(1 + \left(1 + ux \cdot \left(maxCos + -1\right)\right)\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot \sqrt{ux \cdot \left(2 - ux\right)}\\
\end{array}
\end{array}
if uy < 0.00520000001Initial program 57.2%
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
sub-negN/A
+-lowering-+.f32N/A
distribute-rgt-neg-inN/A
Simplified57.3%
+-commutativeN/A
distribute-rgt-inN/A
associate-+l+N/A
+-lowering-+.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
Applied egg-rr62.4%
associate-+r+N/A
metadata-evalN/A
+-lft-identityN/A
sub-negN/A
distribute-rgt-inN/A
*-lft-identityN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
neg-lowering-neg.f3299.3%
Applied egg-rr99.3%
Taylor expanded in uy around inf
*-commutativeN/A
*-lowering-*.f32N/A
Simplified99.2%
Taylor expanded in uy around 0
associate-*r*N/A
distribute-rgt1-inN/A
+-commutativeN/A
*-commutativeN/A
associate-*r*N/A
*-lowering-*.f32N/A
Simplified99.4%
if 0.00520000001 < uy Initial program 52.3%
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
sub-negN/A
+-lowering-+.f32N/A
distribute-rgt-neg-inN/A
Simplified52.3%
+-commutativeN/A
distribute-rgt-inN/A
associate-+l+N/A
+-lowering-+.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
Applied egg-rr60.5%
Taylor expanded in maxCos around -inf
Simplified43.2%
Taylor expanded in maxCos around 0
*-lowering-*.f32N/A
--lowering--.f3293.9%
Simplified93.9%
Final simplification98.0%
(FPCore (ux uy maxCos)
:precision binary32
(if (<= uy 0.024000000208616257)
(*
(+ 1.0 (* (* -2.0 (* uy uy)) (* PI PI)))
(sqrt (* ux (* (- 1.0 maxCos) (+ 1.0 (+ 1.0 (* ux (+ maxCos -1.0))))))))
(* (cos (* uy (* 2.0 PI))) (sqrt (* ux 2.0)))))
float code(float ux, float uy, float maxCos) {
float tmp;
if (uy <= 0.024000000208616257f) {
tmp = (1.0f + ((-2.0f * (uy * uy)) * (((float) M_PI) * ((float) M_PI)))) * sqrtf((ux * ((1.0f - maxCos) * (1.0f + (1.0f + (ux * (maxCos + -1.0f)))))));
} else {
tmp = cosf((uy * (2.0f * ((float) M_PI)))) * sqrtf((ux * 2.0f));
}
return tmp;
}
function code(ux, uy, maxCos) tmp = Float32(0.0) if (uy <= Float32(0.024000000208616257)) tmp = Float32(Float32(Float32(1.0) + Float32(Float32(Float32(-2.0) * Float32(uy * uy)) * Float32(Float32(pi) * Float32(pi)))) * sqrt(Float32(ux * Float32(Float32(Float32(1.0) - maxCos) * Float32(Float32(1.0) + Float32(Float32(1.0) + Float32(ux * Float32(maxCos + Float32(-1.0))))))))); else tmp = Float32(cos(Float32(uy * Float32(Float32(2.0) * Float32(pi)))) * sqrt(Float32(ux * Float32(2.0)))); end return tmp end
function tmp_2 = code(ux, uy, maxCos) tmp = single(0.0); if (uy <= single(0.024000000208616257)) tmp = (single(1.0) + ((single(-2.0) * (uy * uy)) * (single(pi) * single(pi)))) * sqrt((ux * ((single(1.0) - maxCos) * (single(1.0) + (single(1.0) + (ux * (maxCos + single(-1.0)))))))); else tmp = cos((uy * (single(2.0) * single(pi)))) * sqrt((ux * single(2.0))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;uy \leq 0.024000000208616257:\\
\;\;\;\;\left(1 + \left(-2 \cdot \left(uy \cdot uy\right)\right) \cdot \left(\pi \cdot \pi\right)\right) \cdot \sqrt{ux \cdot \left(\left(1 - maxCos\right) \cdot \left(1 + \left(1 + ux \cdot \left(maxCos + -1\right)\right)\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;\cos \left(uy \cdot \left(2 \cdot \pi\right)\right) \cdot \sqrt{ux \cdot 2}\\
\end{array}
\end{array}
if uy < 0.0240000002Initial program 57.5%
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
sub-negN/A
+-lowering-+.f32N/A
distribute-rgt-neg-inN/A
Simplified57.6%
+-commutativeN/A
distribute-rgt-inN/A
associate-+l+N/A
+-lowering-+.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
Applied egg-rr62.6%
associate-+r+N/A
metadata-evalN/A
+-lft-identityN/A
sub-negN/A
distribute-rgt-inN/A
*-lft-identityN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
neg-lowering-neg.f3299.3%
Applied egg-rr99.3%
Taylor expanded in uy around inf
*-commutativeN/A
*-lowering-*.f32N/A
Simplified99.2%
Taylor expanded in uy around 0
associate-*r*N/A
distribute-rgt1-inN/A
+-commutativeN/A
*-commutativeN/A
associate-*r*N/A
*-lowering-*.f32N/A
Simplified98.5%
if 0.0240000002 < uy Initial program 48.3%
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
sub-negN/A
+-lowering-+.f32N/A
distribute-rgt-neg-inN/A
Simplified48.4%
Taylor expanded in ux around 0
sub-negN/A
metadata-evalN/A
+-commutativeN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
associate--l+N/A
+-lowering-+.f32N/A
mul-1-negN/A
sub-negN/A
metadata-evalN/A
distribute-neg-inN/A
metadata-evalN/A
+-commutativeN/A
sub-negN/A
--lowering--.f32N/A
--lowering--.f3238.2%
Simplified38.2%
Taylor expanded in maxCos around 0
*-commutativeN/A
*-lowering-*.f3276.4%
Simplified76.4%
Final simplification94.8%
(FPCore (ux uy maxCos) :precision binary32 (* (+ 1.0 (* (* -2.0 (* uy uy)) (* PI PI))) (sqrt (* ux (* (- 1.0 maxCos) (+ 1.0 (+ 1.0 (* ux (+ maxCos -1.0)))))))))
float code(float ux, float uy, float maxCos) {
return (1.0f + ((-2.0f * (uy * uy)) * (((float) M_PI) * ((float) M_PI)))) * sqrtf((ux * ((1.0f - maxCos) * (1.0f + (1.0f + (ux * (maxCos + -1.0f)))))));
}
function code(ux, uy, maxCos) return Float32(Float32(Float32(1.0) + Float32(Float32(Float32(-2.0) * Float32(uy * uy)) * Float32(Float32(pi) * Float32(pi)))) * sqrt(Float32(ux * Float32(Float32(Float32(1.0) - maxCos) * Float32(Float32(1.0) + Float32(Float32(1.0) + Float32(ux * Float32(maxCos + Float32(-1.0))))))))) end
function tmp = code(ux, uy, maxCos) tmp = (single(1.0) + ((single(-2.0) * (uy * uy)) * (single(pi) * single(pi)))) * sqrt((ux * ((single(1.0) - maxCos) * (single(1.0) + (single(1.0) + (ux * (maxCos + single(-1.0)))))))); end
\begin{array}{l}
\\
\left(1 + \left(-2 \cdot \left(uy \cdot uy\right)\right) \cdot \left(\pi \cdot \pi\right)\right) \cdot \sqrt{ux \cdot \left(\left(1 - maxCos\right) \cdot \left(1 + \left(1 + ux \cdot \left(maxCos + -1\right)\right)\right)\right)}
\end{array}
Initial program 55.9%
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
sub-negN/A
+-lowering-+.f32N/A
distribute-rgt-neg-inN/A
Simplified56.0%
+-commutativeN/A
distribute-rgt-inN/A
associate-+l+N/A
+-lowering-+.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
Applied egg-rr62.0%
associate-+r+N/A
metadata-evalN/A
+-lft-identityN/A
sub-negN/A
distribute-rgt-inN/A
*-lft-identityN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
neg-lowering-neg.f3298.9%
Applied egg-rr98.9%
Taylor expanded in uy around inf
*-commutativeN/A
*-lowering-*.f32N/A
Simplified98.9%
Taylor expanded in uy around 0
associate-*r*N/A
distribute-rgt1-inN/A
+-commutativeN/A
*-commutativeN/A
associate-*r*N/A
*-lowering-*.f32N/A
Simplified88.5%
Final simplification88.5%
(FPCore (ux uy maxCos) :precision binary32 (* (+ 1.0 (* (* -2.0 (* uy uy)) (* PI PI))) (sqrt (* ux (+ 1.0 (- 1.0 ux))))))
float code(float ux, float uy, float maxCos) {
return (1.0f + ((-2.0f * (uy * uy)) * (((float) M_PI) * ((float) M_PI)))) * sqrtf((ux * (1.0f + (1.0f - ux))));
}
function code(ux, uy, maxCos) return Float32(Float32(Float32(1.0) + Float32(Float32(Float32(-2.0) * Float32(uy * uy)) * Float32(Float32(pi) * Float32(pi)))) * sqrt(Float32(ux * Float32(Float32(1.0) + Float32(Float32(1.0) - ux))))) end
function tmp = code(ux, uy, maxCos) tmp = (single(1.0) + ((single(-2.0) * (uy * uy)) * (single(pi) * single(pi)))) * sqrt((ux * (single(1.0) + (single(1.0) - ux)))); end
\begin{array}{l}
\\
\left(1 + \left(-2 \cdot \left(uy \cdot uy\right)\right) \cdot \left(\pi \cdot \pi\right)\right) \cdot \sqrt{ux \cdot \left(1 + \left(1 - ux\right)\right)}
\end{array}
Initial program 55.9%
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
sub-negN/A
+-lowering-+.f32N/A
distribute-rgt-neg-inN/A
Simplified56.0%
+-commutativeN/A
distribute-rgt-inN/A
associate-+l+N/A
+-lowering-+.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
Applied egg-rr62.0%
associate-+r+N/A
metadata-evalN/A
+-lft-identityN/A
sub-negN/A
distribute-rgt-inN/A
*-lft-identityN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
neg-lowering-neg.f3298.9%
Applied egg-rr98.9%
Taylor expanded in maxCos around 0
*-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
*-commutativeN/A
distribute-rgt1-inN/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
--lowering--.f3294.1%
Simplified94.1%
Taylor expanded in uy around 0
*-commutativeN/A
associate-*r*N/A
+-lowering-+.f32N/A
associate-*r*N/A
*-commutativeN/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.f3284.5%
Simplified84.5%
Final simplification84.5%
(FPCore (ux uy maxCos) :precision binary32 (sqrt (* ux (* (- 1.0 maxCos) (+ 1.0 (+ 1.0 (* ux (+ maxCos -1.0))))))))
float code(float ux, float uy, float maxCos) {
return sqrtf((ux * ((1.0f - maxCos) * (1.0f + (1.0f + (ux * (maxCos + -1.0f)))))));
}
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 * ((1.0e0 - maxcos) * (1.0e0 + (1.0e0 + (ux * (maxcos + (-1.0e0))))))))
end function
function code(ux, uy, maxCos) return sqrt(Float32(ux * Float32(Float32(Float32(1.0) - maxCos) * Float32(Float32(1.0) + Float32(Float32(1.0) + Float32(ux * Float32(maxCos + Float32(-1.0)))))))) end
function tmp = code(ux, uy, maxCos) tmp = sqrt((ux * ((single(1.0) - maxCos) * (single(1.0) + (single(1.0) + (ux * (maxCos + single(-1.0)))))))); end
\begin{array}{l}
\\
\sqrt{ux \cdot \left(\left(1 - maxCos\right) \cdot \left(1 + \left(1 + ux \cdot \left(maxCos + -1\right)\right)\right)\right)}
\end{array}
Initial program 55.9%
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
sub-negN/A
+-lowering-+.f32N/A
distribute-rgt-neg-inN/A
Simplified56.0%
+-commutativeN/A
distribute-rgt-inN/A
associate-+l+N/A
+-lowering-+.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
Applied egg-rr62.0%
associate-+r+N/A
metadata-evalN/A
+-lft-identityN/A
sub-negN/A
distribute-rgt-inN/A
*-lft-identityN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
neg-lowering-neg.f3298.9%
Applied egg-rr98.9%
Taylor expanded in uy around inf
*-commutativeN/A
*-lowering-*.f32N/A
Simplified98.9%
Taylor expanded in uy around 0
sqrt-lowering-sqrt.f32N/A
distribute-lft-outN/A
*-lowering-*.f32N/A
*-commutativeN/A
distribute-lft1-inN/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
--lowering--.f3278.1%
Simplified78.1%
Final simplification78.1%
(FPCore (ux uy maxCos) :precision binary32 (sqrt (+ (* ux (- 1.0 maxCos)) (* ux (- 1.0 ux)))))
float code(float ux, float uy, float maxCos) {
return sqrtf(((ux * (1.0f - maxCos)) + (ux * (1.0f - 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 * (1.0e0 - maxcos)) + (ux * (1.0e0 - ux))))
end function
function code(ux, uy, maxCos) return sqrt(Float32(Float32(ux * Float32(Float32(1.0) - maxCos)) + Float32(ux * Float32(Float32(1.0) - ux)))) end
function tmp = code(ux, uy, maxCos) tmp = sqrt(((ux * (single(1.0) - maxCos)) + (ux * (single(1.0) - ux)))); end
\begin{array}{l}
\\
\sqrt{ux \cdot \left(1 - maxCos\right) + ux \cdot \left(1 - ux\right)}
\end{array}
Initial program 55.9%
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
sub-negN/A
+-lowering-+.f32N/A
distribute-rgt-neg-inN/A
Simplified56.0%
+-commutativeN/A
distribute-rgt-inN/A
associate-+l+N/A
+-lowering-+.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
Applied egg-rr62.0%
associate-+r+N/A
metadata-evalN/A
+-lft-identityN/A
sub-negN/A
distribute-rgt-inN/A
*-lft-identityN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
neg-lowering-neg.f3298.9%
Applied egg-rr98.9%
Taylor expanded in uy around 0
sqrt-lowering-sqrt.f32N/A
associate-+r+N/A
*-lft-identityN/A
associate-*r*N/A
mul-1-negN/A
distribute-rgt-inN/A
sub-negN/A
+-lowering-+.f32N/A
*-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--.f3278.1%
Simplified78.1%
Taylor expanded in maxCos around 0
*-lowering-*.f32N/A
--lowering--.f3275.1%
Simplified75.1%
(FPCore (ux uy maxCos) :precision binary32 (sqrt (* ux (+ 1.0 (- 1.0 ux)))))
float code(float ux, float uy, float maxCos) {
return sqrtf((ux * (1.0f + (1.0f - 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 * (1.0e0 + (1.0e0 - ux))))
end function
function code(ux, uy, maxCos) return sqrt(Float32(ux * Float32(Float32(1.0) + Float32(Float32(1.0) - ux)))) end
function tmp = code(ux, uy, maxCos) tmp = sqrt((ux * (single(1.0) + (single(1.0) - ux)))); end
\begin{array}{l}
\\
\sqrt{ux \cdot \left(1 + \left(1 - ux\right)\right)}
\end{array}
Initial program 55.9%
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
sub-negN/A
+-lowering-+.f32N/A
distribute-rgt-neg-inN/A
Simplified56.0%
+-commutativeN/A
distribute-rgt-inN/A
associate-+l+N/A
+-lowering-+.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
Applied egg-rr62.0%
associate-+r+N/A
metadata-evalN/A
+-lft-identityN/A
sub-negN/A
distribute-rgt-inN/A
*-lft-identityN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
neg-lowering-neg.f3298.9%
Applied egg-rr98.9%
Taylor expanded in uy around 0
sqrt-lowering-sqrt.f32N/A
associate-+r+N/A
*-lft-identityN/A
associate-*r*N/A
mul-1-negN/A
distribute-rgt-inN/A
sub-negN/A
+-lowering-+.f32N/A
*-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--.f3278.1%
Simplified78.1%
Taylor expanded in maxCos around 0
*-commutativeN/A
distribute-rgt1-inN/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
--lowering--.f3274.8%
Simplified74.8%
Final simplification74.8%
(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 55.9%
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
sub-negN/A
+-lowering-+.f32N/A
distribute-rgt-neg-inN/A
Simplified56.0%
+-commutativeN/A
distribute-rgt-inN/A
associate-+l+N/A
+-lowering-+.f32N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
*-lowering-*.f32N/A
--lowering--.f32N/A
Applied egg-rr62.0%
associate-+r+N/A
metadata-evalN/A
+-lft-identityN/A
sub-negN/A
distribute-rgt-inN/A
*-lft-identityN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
neg-lowering-neg.f3298.9%
Applied egg-rr98.9%
Taylor expanded in maxCos around 0
*-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
*-commutativeN/A
distribute-rgt1-inN/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
--lowering--.f3294.1%
Simplified94.1%
Taylor expanded in uy around 0
sqrt-lowering-sqrt.f32N/A
*-lowering-*.f32N/A
--lowering--.f3274.7%
Simplified74.7%
(FPCore (ux uy maxCos) :precision binary32 0.0)
float code(float ux, float uy, float maxCos) {
return 0.0f;
}
real(4) function code(ux, uy, maxcos)
real(4), intent (in) :: ux
real(4), intent (in) :: uy
real(4), intent (in) :: maxcos
code = 0.0e0
end function
function code(ux, uy, maxCos) return Float32(0.0) end
function tmp = code(ux, uy, maxCos) tmp = single(0.0); end
\begin{array}{l}
\\
0
\end{array}
Initial program 55.9%
*-lowering-*.f32N/A
cos-lowering-cos.f32N/A
associate-*l*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
PI-lowering-PI.f32N/A
sqrt-lowering-sqrt.f32N/A
sub-negN/A
+-lowering-+.f32N/A
distribute-rgt-neg-inN/A
Simplified56.0%
Taylor expanded in uy around 0
sqrt-lowering-sqrt.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
sub-negN/A
+-lowering-+.f32N/A
distribute-rgt-neg-inN/A
sub-negN/A
+-commutativeN/A
metadata-evalN/A
distribute-neg-inN/A
metadata-evalN/A
sub-negN/A
remove-double-negN/A
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-commutativeN/A
+-lowering-+.f32N/A
sub-negN/A
metadata-evalN/A
+-commutativeN/A
Simplified48.3%
Taylor expanded in ux around 0
Simplified6.6%
pow1/2N/A
metadata-evalN/A
metadata-eval6.6%
Applied egg-rr6.6%
herbie shell --seed 2024161
(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)))))))