Factorize Signmask computation in SSE2 < and >
Factorize integral SSE2 is_not_equal
Streamline AVX bitwise operation
Implement Altivec unsigned 32 bits integral multiplies
Remove redundant Altivec is_not_equal
average fits generic/
dec fits generic/
sqr fits generic/
No rec on integers
Made inc generic
Merge pull request #657 from MetaScale/bunch_of_fixes

Various fixes on QoI of boost.SIMD