Sprinkle "unlikely()" branch hints in all places where the memory view C code raises exceptions.
Sprinkle "unlikely()" branch hints in all places where the memory view C code raises exceptions.

cython/cython,da-woods/cython,scoder/cython,da-woods/cython,scoder/cython,cython/cython,scoder/cython,scoder/cython,da-woods/cython,cython/cython,cython/cython,da-woods/cython