
(FPCore (alphax alphay u0 cos2phi sin2phi) :precision binary32 (/ (- (log (- 1.0 u0))) (+ (/ cos2phi (* alphax alphax)) (/ sin2phi (* alphay alphay)))))
float code(float alphax, float alphay, float u0, float cos2phi, float sin2phi) {
return -logf((1.0f - u0)) / ((cos2phi / (alphax * alphax)) + (sin2phi / (alphay * alphay)));
}
real(4) function code(alphax, alphay, u0, cos2phi, sin2phi)
real(4), intent (in) :: alphax
real(4), intent (in) :: alphay
real(4), intent (in) :: u0
real(4), intent (in) :: cos2phi
real(4), intent (in) :: sin2phi
code = -log((1.0e0 - u0)) / ((cos2phi / (alphax * alphax)) + (sin2phi / (alphay * alphay)))
end function
function code(alphax, alphay, u0, cos2phi, sin2phi) return Float32(Float32(-log(Float32(Float32(1.0) - u0))) / Float32(Float32(cos2phi / Float32(alphax * alphax)) + Float32(sin2phi / Float32(alphay * alphay)))) end
function tmp = code(alphax, alphay, u0, cos2phi, sin2phi) tmp = -log((single(1.0) - u0)) / ((cos2phi / (alphax * alphax)) + (sin2phi / (alphay * alphay))); end
\begin{array}{l}
\\
\frac{-\log \left(1 - u0\right)}{\frac{cos2phi}{alphax \cdot alphax} + \frac{sin2phi}{alphay \cdot alphay}}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 13 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (alphax alphay u0 cos2phi sin2phi) :precision binary32 (/ (- (log (- 1.0 u0))) (+ (/ cos2phi (* alphax alphax)) (/ sin2phi (* alphay alphay)))))
float code(float alphax, float alphay, float u0, float cos2phi, float sin2phi) {
return -logf((1.0f - u0)) / ((cos2phi / (alphax * alphax)) + (sin2phi / (alphay * alphay)));
}
real(4) function code(alphax, alphay, u0, cos2phi, sin2phi)
real(4), intent (in) :: alphax
real(4), intent (in) :: alphay
real(4), intent (in) :: u0
real(4), intent (in) :: cos2phi
real(4), intent (in) :: sin2phi
code = -log((1.0e0 - u0)) / ((cos2phi / (alphax * alphax)) + (sin2phi / (alphay * alphay)))
end function
function code(alphax, alphay, u0, cos2phi, sin2phi) return Float32(Float32(-log(Float32(Float32(1.0) - u0))) / Float32(Float32(cos2phi / Float32(alphax * alphax)) + Float32(sin2phi / Float32(alphay * alphay)))) end
function tmp = code(alphax, alphay, u0, cos2phi, sin2phi) tmp = -log((single(1.0) - u0)) / ((cos2phi / (alphax * alphax)) + (sin2phi / (alphay * alphay))); end
\begin{array}{l}
\\
\frac{-\log \left(1 - u0\right)}{\frac{cos2phi}{alphax \cdot alphax} + \frac{sin2phi}{alphay \cdot alphay}}
\end{array}
(FPCore (alphax alphay u0 cos2phi sin2phi) :precision binary32 (/ (log1p (- u0)) (- (/ cos2phi (- 0.0 (* alphax alphax))) (/ sin2phi (* alphay alphay)))))
float code(float alphax, float alphay, float u0, float cos2phi, float sin2phi) {
return log1pf(-u0) / ((cos2phi / (0.0f - (alphax * alphax))) - (sin2phi / (alphay * alphay)));
}
function code(alphax, alphay, u0, cos2phi, sin2phi) return Float32(log1p(Float32(-u0)) / Float32(Float32(cos2phi / Float32(Float32(0.0) - Float32(alphax * alphax))) - Float32(sin2phi / Float32(alphay * alphay)))) end
\begin{array}{l}
\\
\frac{\mathsf{log1p}\left(-u0\right)}{\frac{cos2phi}{0 - alphax \cdot alphax} - \frac{sin2phi}{alphay \cdot alphay}}
\end{array}
Initial program 59.2%
sub-negN/A
log1p-defineN/A
log1p-lowering-log1p.f32N/A
neg-lowering-neg.f3298.3%
Applied egg-rr98.3%
Final simplification98.3%
(FPCore (alphax alphay u0 cos2phi sin2phi)
:precision binary32
(if (<= (/ sin2phi (* alphay alphay)) 2200.0)
(/
(* u0 (+ (* u0 (+ (* u0 (+ (* u0 -0.25) -0.3333333333333333)) -0.5)) -1.0))
(- (/ -1.0 (/ alphay (/ sin2phi alphay))) (/ cos2phi (* alphax alphax))))
(/ (* (log1p (- u0)) (- 0.0 (* alphay alphay))) sin2phi)))
float code(float alphax, float alphay, float u0, float cos2phi, float sin2phi) {
float tmp;
if ((sin2phi / (alphay * alphay)) <= 2200.0f) {
tmp = (u0 * ((u0 * ((u0 * ((u0 * -0.25f) + -0.3333333333333333f)) + -0.5f)) + -1.0f)) / ((-1.0f / (alphay / (sin2phi / alphay))) - (cos2phi / (alphax * alphax)));
} else {
tmp = (log1pf(-u0) * (0.0f - (alphay * alphay))) / sin2phi;
}
return tmp;
}
function code(alphax, alphay, u0, cos2phi, sin2phi) tmp = Float32(0.0) if (Float32(sin2phi / Float32(alphay * alphay)) <= Float32(2200.0)) tmp = Float32(Float32(u0 * Float32(Float32(u0 * Float32(Float32(u0 * Float32(Float32(u0 * Float32(-0.25)) + Float32(-0.3333333333333333))) + Float32(-0.5))) + Float32(-1.0))) / Float32(Float32(Float32(-1.0) / Float32(alphay / Float32(sin2phi / alphay))) - Float32(cos2phi / Float32(alphax * alphax)))); else tmp = Float32(Float32(log1p(Float32(-u0)) * Float32(Float32(0.0) - Float32(alphay * alphay))) / sin2phi); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{sin2phi}{alphay \cdot alphay} \leq 2200:\\
\;\;\;\;\frac{u0 \cdot \left(u0 \cdot \left(u0 \cdot \left(u0 \cdot -0.25 + -0.3333333333333333\right) + -0.5\right) + -1\right)}{\frac{-1}{\frac{alphay}{\frac{sin2phi}{alphay}}} - \frac{cos2phi}{alphax \cdot alphax}}\\
\mathbf{else}:\\
\;\;\;\;\frac{\mathsf{log1p}\left(-u0\right) \cdot \left(0 - alphay \cdot alphay\right)}{sin2phi}\\
\end{array}
\end{array}
if (/.f32 sin2phi (*.f32 alphay alphay)) < 2200Initial program 54.3%
distribute-frac-negN/A
distribute-neg-frac2N/A
/-lowering-/.f32N/A
sub-negN/A
log1p-defineN/A
log1p-lowering-log1p.f32N/A
neg-lowering-neg.f32N/A
distribute-neg-inN/A
unsub-negN/A
--lowering--.f32N/A
neg-sub0N/A
--lowering--.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f3298.6%
Simplified98.6%
associate-/r*N/A
div-invN/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
/-lowering-/.f3298.4%
Applied egg-rr98.4%
Taylor expanded in u0 around 0
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f32N/A
*-commutativeN/A
*-lowering-*.f3293.0%
Simplified93.0%
*-commutativeN/A
frac-2negN/A
associate-/l*N/A
clear-numN/A
/-lowering-/.f32N/A
frac-2negN/A
remove-double-negN/A
*-commutativeN/A
un-div-invN/A
distribute-frac-neg2N/A
frac-2negN/A
/-lowering-/.f32N/A
/-lowering-/.f3293.2%
Applied egg-rr93.2%
if 2200 < (/.f32 sin2phi (*.f32 alphay alphay)) Initial program 64.8%
sub-negN/A
log1p-defineN/A
log1p-lowering-log1p.f32N/A
neg-lowering-neg.f3297.9%
Applied egg-rr97.9%
Taylor expanded in cos2phi around 0
mul-1-negN/A
distribute-neg-frac2N/A
/-lowering-/.f32N/A
sub-negN/A
mul-1-negN/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
log1p-defineN/A
log1p-lowering-log1p.f32N/A
mul-1-negN/A
neg-lowering-neg.f32N/A
neg-lowering-neg.f3298.7%
Simplified98.7%
Final simplification95.8%
(FPCore (alphax alphay u0 cos2phi sin2phi)
:precision binary32
(if (<= (/ sin2phi (* alphay alphay)) 2200.0)
(/
(* u0 (+ (* u0 (+ (* u0 (+ (* u0 -0.25) -0.3333333333333333)) -0.5)) -1.0))
(- (/ -1.0 (/ alphay (/ sin2phi alphay))) (/ cos2phi (* alphax alphax))))
(* (log1p (- u0)) (/ (- 0.0 (* alphay alphay)) sin2phi))))
float code(float alphax, float alphay, float u0, float cos2phi, float sin2phi) {
float tmp;
if ((sin2phi / (alphay * alphay)) <= 2200.0f) {
tmp = (u0 * ((u0 * ((u0 * ((u0 * -0.25f) + -0.3333333333333333f)) + -0.5f)) + -1.0f)) / ((-1.0f / (alphay / (sin2phi / alphay))) - (cos2phi / (alphax * alphax)));
} else {
tmp = log1pf(-u0) * ((0.0f - (alphay * alphay)) / sin2phi);
}
return tmp;
}
function code(alphax, alphay, u0, cos2phi, sin2phi) tmp = Float32(0.0) if (Float32(sin2phi / Float32(alphay * alphay)) <= Float32(2200.0)) tmp = Float32(Float32(u0 * Float32(Float32(u0 * Float32(Float32(u0 * Float32(Float32(u0 * Float32(-0.25)) + Float32(-0.3333333333333333))) + Float32(-0.5))) + Float32(-1.0))) / Float32(Float32(Float32(-1.0) / Float32(alphay / Float32(sin2phi / alphay))) - Float32(cos2phi / Float32(alphax * alphax)))); else tmp = Float32(log1p(Float32(-u0)) * Float32(Float32(Float32(0.0) - Float32(alphay * alphay)) / sin2phi)); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{sin2phi}{alphay \cdot alphay} \leq 2200:\\
\;\;\;\;\frac{u0 \cdot \left(u0 \cdot \left(u0 \cdot \left(u0 \cdot -0.25 + -0.3333333333333333\right) + -0.5\right) + -1\right)}{\frac{-1}{\frac{alphay}{\frac{sin2phi}{alphay}}} - \frac{cos2phi}{alphax \cdot alphax}}\\
\mathbf{else}:\\
\;\;\;\;\mathsf{log1p}\left(-u0\right) \cdot \frac{0 - alphay \cdot alphay}{sin2phi}\\
\end{array}
\end{array}
if (/.f32 sin2phi (*.f32 alphay alphay)) < 2200Initial program 54.3%
distribute-frac-negN/A
distribute-neg-frac2N/A
/-lowering-/.f32N/A
sub-negN/A
log1p-defineN/A
log1p-lowering-log1p.f32N/A
neg-lowering-neg.f32N/A
distribute-neg-inN/A
unsub-negN/A
--lowering--.f32N/A
neg-sub0N/A
--lowering--.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f3298.6%
Simplified98.6%
associate-/r*N/A
div-invN/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
/-lowering-/.f3298.4%
Applied egg-rr98.4%
Taylor expanded in u0 around 0
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
sub-negN/A
metadata-evalN/A
+-lowering-+.f32N/A
*-commutativeN/A
*-lowering-*.f3293.0%
Simplified93.0%
*-commutativeN/A
frac-2negN/A
associate-/l*N/A
clear-numN/A
/-lowering-/.f32N/A
frac-2negN/A
remove-double-negN/A
*-commutativeN/A
un-div-invN/A
distribute-frac-neg2N/A
frac-2negN/A
/-lowering-/.f32N/A
/-lowering-/.f3293.2%
Applied egg-rr93.2%
if 2200 < (/.f32 sin2phi (*.f32 alphay alphay)) Initial program 64.8%
distribute-frac-negN/A
distribute-neg-frac2N/A
/-lowering-/.f32N/A
sub-negN/A
log1p-defineN/A
log1p-lowering-log1p.f32N/A
neg-lowering-neg.f32N/A
distribute-neg-inN/A
unsub-negN/A
--lowering--.f32N/A
neg-sub0N/A
--lowering--.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f3297.9%
Simplified97.9%
Taylor expanded in cos2phi around 0
mul-1-negN/A
neg-lowering-neg.f32N/A
*-commutativeN/A
associate-/l*N/A
*-lowering-*.f32N/A
sub-negN/A
mul-1-negN/A
log1p-defineN/A
log1p-lowering-log1p.f32N/A
mul-1-negN/A
neg-lowering-neg.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f3298.7%
Simplified98.7%
Final simplification95.7%
(FPCore (alphax alphay u0 cos2phi sin2phi) :precision binary32 (/ (log1p (- u0)) (- (/ (/ cos2phi alphax) (- alphax)) (/ sin2phi (* alphay alphay)))))
float code(float alphax, float alphay, float u0, float cos2phi, float sin2phi) {
return log1pf(-u0) / (((cos2phi / alphax) / -alphax) - (sin2phi / (alphay * alphay)));
}
function code(alphax, alphay, u0, cos2phi, sin2phi) return Float32(log1p(Float32(-u0)) / Float32(Float32(Float32(cos2phi / alphax) / Float32(-alphax)) - Float32(sin2phi / Float32(alphay * alphay)))) end
\begin{array}{l}
\\
\frac{\mathsf{log1p}\left(-u0\right)}{\frac{\frac{cos2phi}{alphax}}{-alphax} - \frac{sin2phi}{alphay \cdot alphay}}
\end{array}
Initial program 59.2%
distribute-frac-negN/A
distribute-neg-frac2N/A
/-lowering-/.f32N/A
sub-negN/A
log1p-defineN/A
log1p-lowering-log1p.f32N/A
neg-lowering-neg.f32N/A
distribute-neg-inN/A
unsub-negN/A
--lowering--.f32N/A
neg-sub0N/A
--lowering--.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f3298.3%
Simplified98.3%
associate--l-N/A
neg-sub0N/A
neg-lowering-neg.f32N/A
+-lowering-+.f32N/A
associate-/r*N/A
/-lowering-/.f32N/A
/-lowering-/.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f3298.2%
Applied egg-rr98.2%
Final simplification98.2%
(FPCore (alphax alphay u0 cos2phi sin2phi) :precision binary32 (/ (* u0 (+ 1.0 (* u0 (+ 0.5 (* u0 (+ 0.3333333333333333 (* u0 0.25))))))) (+ (/ cos2phi (* alphax alphax)) (/ sin2phi (* alphay alphay)))))
float code(float alphax, float alphay, float u0, float cos2phi, float sin2phi) {
return (u0 * (1.0f + (u0 * (0.5f + (u0 * (0.3333333333333333f + (u0 * 0.25f))))))) / ((cos2phi / (alphax * alphax)) + (sin2phi / (alphay * alphay)));
}
real(4) function code(alphax, alphay, u0, cos2phi, sin2phi)
real(4), intent (in) :: alphax
real(4), intent (in) :: alphay
real(4), intent (in) :: u0
real(4), intent (in) :: cos2phi
real(4), intent (in) :: sin2phi
code = (u0 * (1.0e0 + (u0 * (0.5e0 + (u0 * (0.3333333333333333e0 + (u0 * 0.25e0))))))) / ((cos2phi / (alphax * alphax)) + (sin2phi / (alphay * alphay)))
end function
function code(alphax, alphay, u0, cos2phi, sin2phi) return Float32(Float32(u0 * Float32(Float32(1.0) + Float32(u0 * Float32(Float32(0.5) + Float32(u0 * Float32(Float32(0.3333333333333333) + Float32(u0 * Float32(0.25)))))))) / Float32(Float32(cos2phi / Float32(alphax * alphax)) + Float32(sin2phi / Float32(alphay * alphay)))) end
function tmp = code(alphax, alphay, u0, cos2phi, sin2phi) tmp = (u0 * (single(1.0) + (u0 * (single(0.5) + (u0 * (single(0.3333333333333333) + (u0 * single(0.25)))))))) / ((cos2phi / (alphax * alphax)) + (sin2phi / (alphay * alphay))); end
\begin{array}{l}
\\
\frac{u0 \cdot \left(1 + u0 \cdot \left(0.5 + u0 \cdot \left(0.3333333333333333 + u0 \cdot 0.25\right)\right)\right)}{\frac{cos2phi}{alphax \cdot alphax} + \frac{sin2phi}{alphay \cdot alphay}}
\end{array}
Initial program 59.2%
Taylor expanded in u0 around 0
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-commutativeN/A
*-lowering-*.f3292.3%
Simplified92.3%
(FPCore (alphax alphay u0 cos2phi sin2phi) :precision binary32 (/ (* u0 (+ 1.0 (* u0 (+ 0.5 (* u0 0.3333333333333333))))) (+ (/ cos2phi (* alphax alphax)) (/ sin2phi (* alphay alphay)))))
float code(float alphax, float alphay, float u0, float cos2phi, float sin2phi) {
return (u0 * (1.0f + (u0 * (0.5f + (u0 * 0.3333333333333333f))))) / ((cos2phi / (alphax * alphax)) + (sin2phi / (alphay * alphay)));
}
real(4) function code(alphax, alphay, u0, cos2phi, sin2phi)
real(4), intent (in) :: alphax
real(4), intent (in) :: alphay
real(4), intent (in) :: u0
real(4), intent (in) :: cos2phi
real(4), intent (in) :: sin2phi
code = (u0 * (1.0e0 + (u0 * (0.5e0 + (u0 * 0.3333333333333333e0))))) / ((cos2phi / (alphax * alphax)) + (sin2phi / (alphay * alphay)))
end function
function code(alphax, alphay, u0, cos2phi, sin2phi) return Float32(Float32(u0 * Float32(Float32(1.0) + Float32(u0 * Float32(Float32(0.5) + Float32(u0 * Float32(0.3333333333333333)))))) / Float32(Float32(cos2phi / Float32(alphax * alphax)) + Float32(sin2phi / Float32(alphay * alphay)))) end
function tmp = code(alphax, alphay, u0, cos2phi, sin2phi) tmp = (u0 * (single(1.0) + (u0 * (single(0.5) + (u0 * single(0.3333333333333333)))))) / ((cos2phi / (alphax * alphax)) + (sin2phi / (alphay * alphay))); end
\begin{array}{l}
\\
\frac{u0 \cdot \left(1 + u0 \cdot \left(0.5 + u0 \cdot 0.3333333333333333\right)\right)}{\frac{cos2phi}{alphax \cdot alphax} + \frac{sin2phi}{alphay \cdot alphay}}
\end{array}
Initial program 59.2%
Taylor expanded in u0 around 0
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-commutativeN/A
*-lowering-*.f3290.7%
Simplified90.7%
(FPCore (alphax alphay u0 cos2phi sin2phi) :precision binary32 (/ (* u0 (+ 1.0 (* u0 0.5))) (+ (/ cos2phi (* alphax alphax)) (/ sin2phi (* alphay alphay)))))
float code(float alphax, float alphay, float u0, float cos2phi, float sin2phi) {
return (u0 * (1.0f + (u0 * 0.5f))) / ((cos2phi / (alphax * alphax)) + (sin2phi / (alphay * alphay)));
}
real(4) function code(alphax, alphay, u0, cos2phi, sin2phi)
real(4), intent (in) :: alphax
real(4), intent (in) :: alphay
real(4), intent (in) :: u0
real(4), intent (in) :: cos2phi
real(4), intent (in) :: sin2phi
code = (u0 * (1.0e0 + (u0 * 0.5e0))) / ((cos2phi / (alphax * alphax)) + (sin2phi / (alphay * alphay)))
end function
function code(alphax, alphay, u0, cos2phi, sin2phi) return Float32(Float32(u0 * Float32(Float32(1.0) + Float32(u0 * Float32(0.5)))) / Float32(Float32(cos2phi / Float32(alphax * alphax)) + Float32(sin2phi / Float32(alphay * alphay)))) end
function tmp = code(alphax, alphay, u0, cos2phi, sin2phi) tmp = (u0 * (single(1.0) + (u0 * single(0.5)))) / ((cos2phi / (alphax * alphax)) + (sin2phi / (alphay * alphay))); end
\begin{array}{l}
\\
\frac{u0 \cdot \left(1 + u0 \cdot 0.5\right)}{\frac{cos2phi}{alphax \cdot alphax} + \frac{sin2phi}{alphay \cdot alphay}}
\end{array}
Initial program 59.2%
Taylor expanded in u0 around 0
*-lowering-*.f32N/A
+-lowering-+.f32N/A
*-commutativeN/A
*-lowering-*.f3287.2%
Simplified87.2%
(FPCore (alphax alphay u0 cos2phi sin2phi) :precision binary32 (if (<= (/ sin2phi (* alphay alphay)) 9.999999682655225e-21) (* (* u0 alphax) (/ alphax cos2phi)) (* (* u0 (* alphay alphay)) (/ 1.0 sin2phi))))
float code(float alphax, float alphay, float u0, float cos2phi, float sin2phi) {
float tmp;
if ((sin2phi / (alphay * alphay)) <= 9.999999682655225e-21f) {
tmp = (u0 * alphax) * (alphax / cos2phi);
} else {
tmp = (u0 * (alphay * alphay)) * (1.0f / sin2phi);
}
return tmp;
}
real(4) function code(alphax, alphay, u0, cos2phi, sin2phi)
real(4), intent (in) :: alphax
real(4), intent (in) :: alphay
real(4), intent (in) :: u0
real(4), intent (in) :: cos2phi
real(4), intent (in) :: sin2phi
real(4) :: tmp
if ((sin2phi / (alphay * alphay)) <= 9.999999682655225e-21) then
tmp = (u0 * alphax) * (alphax / cos2phi)
else
tmp = (u0 * (alphay * alphay)) * (1.0e0 / sin2phi)
end if
code = tmp
end function
function code(alphax, alphay, u0, cos2phi, sin2phi) tmp = Float32(0.0) if (Float32(sin2phi / Float32(alphay * alphay)) <= Float32(9.999999682655225e-21)) tmp = Float32(Float32(u0 * alphax) * Float32(alphax / cos2phi)); else tmp = Float32(Float32(u0 * Float32(alphay * alphay)) * Float32(Float32(1.0) / sin2phi)); end return tmp end
function tmp_2 = code(alphax, alphay, u0, cos2phi, sin2phi) tmp = single(0.0); if ((sin2phi / (alphay * alphay)) <= single(9.999999682655225e-21)) tmp = (u0 * alphax) * (alphax / cos2phi); else tmp = (u0 * (alphay * alphay)) * (single(1.0) / sin2phi); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{sin2phi}{alphay \cdot alphay} \leq 9.999999682655225 \cdot 10^{-21}:\\
\;\;\;\;\left(u0 \cdot alphax\right) \cdot \frac{alphax}{cos2phi}\\
\mathbf{else}:\\
\;\;\;\;\left(u0 \cdot \left(alphay \cdot alphay\right)\right) \cdot \frac{1}{sin2phi}\\
\end{array}
\end{array}
if (/.f32 sin2phi (*.f32 alphay alphay)) < 9.99999968e-21Initial program 52.3%
distribute-frac-negN/A
distribute-neg-frac2N/A
/-lowering-/.f32N/A
sub-negN/A
log1p-defineN/A
log1p-lowering-log1p.f32N/A
neg-lowering-neg.f32N/A
distribute-neg-inN/A
unsub-negN/A
--lowering--.f32N/A
neg-sub0N/A
--lowering--.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f3298.8%
Simplified98.8%
Taylor expanded in u0 around 0
/-lowering-/.f32N/A
+-lowering-+.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f3276.7%
Simplified76.7%
Taylor expanded in cos2phi around inf
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f3261.4%
Simplified61.4%
div-invN/A
clear-numN/A
associate-/l*N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
/-lowering-/.f3261.6%
Applied egg-rr61.6%
if 9.99999968e-21 < (/.f32 sin2phi (*.f32 alphay alphay)) Initial program 61.3%
distribute-frac-negN/A
distribute-neg-frac2N/A
/-lowering-/.f32N/A
sub-negN/A
log1p-defineN/A
log1p-lowering-log1p.f32N/A
neg-lowering-neg.f32N/A
distribute-neg-inN/A
unsub-negN/A
--lowering--.f32N/A
neg-sub0N/A
--lowering--.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f3298.1%
Simplified98.1%
Taylor expanded in u0 around 0
/-lowering-/.f32N/A
+-lowering-+.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f3276.8%
Simplified76.8%
Taylor expanded in alphay around 0
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
+-commutativeN/A
mul-1-negN/A
unsub-negN/A
--lowering--.f32N/A
/-lowering-/.f32N/A
associate-*r*N/A
times-fracN/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f3268.9%
Simplified68.9%
Taylor expanded in sin2phi around inf
/-lowering-/.f3271.6%
Simplified71.6%
associate-*r/N/A
div-invN/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
/-lowering-/.f3271.6%
Applied egg-rr71.6%
(FPCore (alphax alphay u0 cos2phi sin2phi) :precision binary32 (if (<= (/ sin2phi (* alphay alphay)) 9.999999682655225e-21) (* (* u0 alphax) (/ alphax cos2phi)) (* (* alphay alphay) (/ u0 sin2phi))))
float code(float alphax, float alphay, float u0, float cos2phi, float sin2phi) {
float tmp;
if ((sin2phi / (alphay * alphay)) <= 9.999999682655225e-21f) {
tmp = (u0 * alphax) * (alphax / cos2phi);
} else {
tmp = (alphay * alphay) * (u0 / sin2phi);
}
return tmp;
}
real(4) function code(alphax, alphay, u0, cos2phi, sin2phi)
real(4), intent (in) :: alphax
real(4), intent (in) :: alphay
real(4), intent (in) :: u0
real(4), intent (in) :: cos2phi
real(4), intent (in) :: sin2phi
real(4) :: tmp
if ((sin2phi / (alphay * alphay)) <= 9.999999682655225e-21) then
tmp = (u0 * alphax) * (alphax / cos2phi)
else
tmp = (alphay * alphay) * (u0 / sin2phi)
end if
code = tmp
end function
function code(alphax, alphay, u0, cos2phi, sin2phi) tmp = Float32(0.0) if (Float32(sin2phi / Float32(alphay * alphay)) <= Float32(9.999999682655225e-21)) tmp = Float32(Float32(u0 * alphax) * Float32(alphax / cos2phi)); else tmp = Float32(Float32(alphay * alphay) * Float32(u0 / sin2phi)); end return tmp end
function tmp_2 = code(alphax, alphay, u0, cos2phi, sin2phi) tmp = single(0.0); if ((sin2phi / (alphay * alphay)) <= single(9.999999682655225e-21)) tmp = (u0 * alphax) * (alphax / cos2phi); else tmp = (alphay * alphay) * (u0 / sin2phi); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{sin2phi}{alphay \cdot alphay} \leq 9.999999682655225 \cdot 10^{-21}:\\
\;\;\;\;\left(u0 \cdot alphax\right) \cdot \frac{alphax}{cos2phi}\\
\mathbf{else}:\\
\;\;\;\;\left(alphay \cdot alphay\right) \cdot \frac{u0}{sin2phi}\\
\end{array}
\end{array}
if (/.f32 sin2phi (*.f32 alphay alphay)) < 9.99999968e-21Initial program 52.3%
distribute-frac-negN/A
distribute-neg-frac2N/A
/-lowering-/.f32N/A
sub-negN/A
log1p-defineN/A
log1p-lowering-log1p.f32N/A
neg-lowering-neg.f32N/A
distribute-neg-inN/A
unsub-negN/A
--lowering--.f32N/A
neg-sub0N/A
--lowering--.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f3298.8%
Simplified98.8%
Taylor expanded in u0 around 0
/-lowering-/.f32N/A
+-lowering-+.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f3276.7%
Simplified76.7%
Taylor expanded in cos2phi around inf
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f3261.4%
Simplified61.4%
div-invN/A
clear-numN/A
associate-/l*N/A
associate-*r*N/A
*-lowering-*.f32N/A
*-lowering-*.f32N/A
/-lowering-/.f3261.6%
Applied egg-rr61.6%
if 9.99999968e-21 < (/.f32 sin2phi (*.f32 alphay alphay)) Initial program 61.3%
distribute-frac-negN/A
distribute-neg-frac2N/A
/-lowering-/.f32N/A
sub-negN/A
log1p-defineN/A
log1p-lowering-log1p.f32N/A
neg-lowering-neg.f32N/A
distribute-neg-inN/A
unsub-negN/A
--lowering--.f32N/A
neg-sub0N/A
--lowering--.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f3298.1%
Simplified98.1%
Taylor expanded in u0 around 0
/-lowering-/.f32N/A
+-lowering-+.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f3276.8%
Simplified76.8%
Taylor expanded in alphay around 0
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
+-commutativeN/A
mul-1-negN/A
unsub-negN/A
--lowering--.f32N/A
/-lowering-/.f32N/A
associate-*r*N/A
times-fracN/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f3268.9%
Simplified68.9%
Taylor expanded in sin2phi around inf
/-lowering-/.f3271.6%
Simplified71.6%
(FPCore (alphax alphay u0 cos2phi sin2phi) :precision binary32 (/ u0 (- (/ cos2phi (* alphax alphax)) (/ (* sin2phi (/ -1.0 alphay)) alphay))))
float code(float alphax, float alphay, float u0, float cos2phi, float sin2phi) {
return u0 / ((cos2phi / (alphax * alphax)) - ((sin2phi * (-1.0f / alphay)) / alphay));
}
real(4) function code(alphax, alphay, u0, cos2phi, sin2phi)
real(4), intent (in) :: alphax
real(4), intent (in) :: alphay
real(4), intent (in) :: u0
real(4), intent (in) :: cos2phi
real(4), intent (in) :: sin2phi
code = u0 / ((cos2phi / (alphax * alphax)) - ((sin2phi * ((-1.0e0) / alphay)) / alphay))
end function
function code(alphax, alphay, u0, cos2phi, sin2phi) return Float32(u0 / Float32(Float32(cos2phi / Float32(alphax * alphax)) - Float32(Float32(sin2phi * Float32(Float32(-1.0) / alphay)) / alphay))) end
function tmp = code(alphax, alphay, u0, cos2phi, sin2phi) tmp = u0 / ((cos2phi / (alphax * alphax)) - ((sin2phi * (single(-1.0) / alphay)) / alphay)); end
\begin{array}{l}
\\
\frac{u0}{\frac{cos2phi}{alphax \cdot alphax} - \frac{sin2phi \cdot \frac{-1}{alphay}}{alphay}}
\end{array}
Initial program 59.2%
distribute-frac-negN/A
distribute-neg-frac2N/A
/-lowering-/.f32N/A
sub-negN/A
log1p-defineN/A
log1p-lowering-log1p.f32N/A
neg-lowering-neg.f32N/A
distribute-neg-inN/A
unsub-negN/A
--lowering--.f32N/A
neg-sub0N/A
--lowering--.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f3298.3%
Simplified98.3%
Taylor expanded in u0 around 0
/-lowering-/.f32N/A
+-lowering-+.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f3276.8%
Simplified76.8%
associate-/r*N/A
un-div-invN/A
*-commutativeN/A
frac-2negN/A
associate-*r/N/A
/-lowering-/.f32N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
neg-lowering-neg.f32N/A
neg-lowering-neg.f3276.8%
Applied egg-rr76.8%
distribute-rgt-neg-outN/A
distribute-lft-neg-inN/A
distribute-frac-neg2N/A
*-lowering-*.f32N/A
neg-mul-1N/A
associate-/r*N/A
metadata-evalN/A
/-lowering-/.f3276.8%
Applied egg-rr76.8%
Final simplification76.8%
(FPCore (alphax alphay u0 cos2phi sin2phi) :precision binary32 (/ u0 (+ (/ sin2phi (* alphay alphay)) (/ (/ cos2phi alphax) alphax))))
float code(float alphax, float alphay, float u0, float cos2phi, float sin2phi) {
return u0 / ((sin2phi / (alphay * alphay)) + ((cos2phi / alphax) / alphax));
}
real(4) function code(alphax, alphay, u0, cos2phi, sin2phi)
real(4), intent (in) :: alphax
real(4), intent (in) :: alphay
real(4), intent (in) :: u0
real(4), intent (in) :: cos2phi
real(4), intent (in) :: sin2phi
code = u0 / ((sin2phi / (alphay * alphay)) + ((cos2phi / alphax) / alphax))
end function
function code(alphax, alphay, u0, cos2phi, sin2phi) return Float32(u0 / Float32(Float32(sin2phi / Float32(alphay * alphay)) + Float32(Float32(cos2phi / alphax) / alphax))) end
function tmp = code(alphax, alphay, u0, cos2phi, sin2phi) tmp = u0 / ((sin2phi / (alphay * alphay)) + ((cos2phi / alphax) / alphax)); end
\begin{array}{l}
\\
\frac{u0}{\frac{sin2phi}{alphay \cdot alphay} + \frac{\frac{cos2phi}{alphax}}{alphax}}
\end{array}
Initial program 59.2%
distribute-frac-negN/A
distribute-neg-frac2N/A
/-lowering-/.f32N/A
sub-negN/A
log1p-defineN/A
log1p-lowering-log1p.f32N/A
neg-lowering-neg.f32N/A
distribute-neg-inN/A
unsub-negN/A
--lowering--.f32N/A
neg-sub0N/A
--lowering--.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f3298.3%
Simplified98.3%
Taylor expanded in u0 around 0
/-lowering-/.f32N/A
+-lowering-+.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f3276.8%
Simplified76.8%
/-lowering-/.f32N/A
+-lowering-+.f32N/A
associate-/r*N/A
/-lowering-/.f32N/A
/-lowering-/.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f3276.8%
Applied egg-rr76.8%
Final simplification76.8%
(FPCore (alphax alphay u0 cos2phi sin2phi) :precision binary32 (/ u0 (+ (/ cos2phi (* alphax alphax)) (/ sin2phi (* alphay alphay)))))
float code(float alphax, float alphay, float u0, float cos2phi, float sin2phi) {
return u0 / ((cos2phi / (alphax * alphax)) + (sin2phi / (alphay * alphay)));
}
real(4) function code(alphax, alphay, u0, cos2phi, sin2phi)
real(4), intent (in) :: alphax
real(4), intent (in) :: alphay
real(4), intent (in) :: u0
real(4), intent (in) :: cos2phi
real(4), intent (in) :: sin2phi
code = u0 / ((cos2phi / (alphax * alphax)) + (sin2phi / (alphay * alphay)))
end function
function code(alphax, alphay, u0, cos2phi, sin2phi) return Float32(u0 / Float32(Float32(cos2phi / Float32(alphax * alphax)) + Float32(sin2phi / Float32(alphay * alphay)))) end
function tmp = code(alphax, alphay, u0, cos2phi, sin2phi) tmp = u0 / ((cos2phi / (alphax * alphax)) + (sin2phi / (alphay * alphay))); end
\begin{array}{l}
\\
\frac{u0}{\frac{cos2phi}{alphax \cdot alphax} + \frac{sin2phi}{alphay \cdot alphay}}
\end{array}
Initial program 59.2%
distribute-frac-negN/A
distribute-neg-frac2N/A
/-lowering-/.f32N/A
sub-negN/A
log1p-defineN/A
log1p-lowering-log1p.f32N/A
neg-lowering-neg.f32N/A
distribute-neg-inN/A
unsub-negN/A
--lowering--.f32N/A
neg-sub0N/A
--lowering--.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f3298.3%
Simplified98.3%
Taylor expanded in u0 around 0
/-lowering-/.f32N/A
+-lowering-+.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f3276.8%
Simplified76.8%
(FPCore (alphax alphay u0 cos2phi sin2phi) :precision binary32 (* (* alphay alphay) (/ u0 sin2phi)))
float code(float alphax, float alphay, float u0, float cos2phi, float sin2phi) {
return (alphay * alphay) * (u0 / sin2phi);
}
real(4) function code(alphax, alphay, u0, cos2phi, sin2phi)
real(4), intent (in) :: alphax
real(4), intent (in) :: alphay
real(4), intent (in) :: u0
real(4), intent (in) :: cos2phi
real(4), intent (in) :: sin2phi
code = (alphay * alphay) * (u0 / sin2phi)
end function
function code(alphax, alphay, u0, cos2phi, sin2phi) return Float32(Float32(alphay * alphay) * Float32(u0 / sin2phi)) end
function tmp = code(alphax, alphay, u0, cos2phi, sin2phi) tmp = (alphay * alphay) * (u0 / sin2phi); end
\begin{array}{l}
\\
\left(alphay \cdot alphay\right) \cdot \frac{u0}{sin2phi}
\end{array}
Initial program 59.2%
distribute-frac-negN/A
distribute-neg-frac2N/A
/-lowering-/.f32N/A
sub-negN/A
log1p-defineN/A
log1p-lowering-log1p.f32N/A
neg-lowering-neg.f32N/A
distribute-neg-inN/A
unsub-negN/A
--lowering--.f32N/A
neg-sub0N/A
--lowering--.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
*-lowering-*.f3298.3%
Simplified98.3%
Taylor expanded in u0 around 0
/-lowering-/.f32N/A
+-lowering-+.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f3276.8%
Simplified76.8%
Taylor expanded in alphay around 0
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
+-commutativeN/A
mul-1-negN/A
unsub-negN/A
--lowering--.f32N/A
/-lowering-/.f32N/A
associate-*r*N/A
times-fracN/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
/-lowering-/.f32N/A
unpow2N/A
*-lowering-*.f3253.3%
Simplified53.3%
Taylor expanded in sin2phi around inf
/-lowering-/.f3259.5%
Simplified59.5%
herbie shell --seed 2024161
(FPCore (alphax alphay u0 cos2phi sin2phi)
:name "Beckmann Distribution sample, tan2theta, alphax != alphay, u1 <= 0.5"
:precision binary32
:pre (and (and (and (and (and (<= 0.0001 alphax) (<= alphax 1.0)) (and (<= 0.0001 alphay) (<= alphay 1.0))) (and (<= 2.328306437e-10 u0) (<= u0 1.0))) (and (<= 0.0 cos2phi) (<= cos2phi 1.0))) (<= 0.0 sin2phi))
(/ (- (log (- 1.0 u0))) (+ (/ cos2phi (* alphax alphax)) (/ sin2phi (* alphay alphay)))))