vector.h: apply ALWAYS_INLINE attribute to "cross", "mapply", "tmapply" (reduces the size of the object code for kdtree.cpp and model.cpp).
vector.h: apply ALWAYS_INLINE attribute to "cross", "mapply", "tmapply" (reduces the size of the object code for kdtree.cpp and model.cpp).

bustercopley/polymorph,bustercopley/polymorph