numpy: Provide concrete size aliases, test equivalence for `dtype(...).num`#1329

Merged

wjakob merged 2 commits intopybind:masterfrom EricCousineau-TRI:issue/1328

Jul 23, 2019

+128-3

Commits on Nov 30, 2018

numpy: Add test for explicit dtype checks. At present, int64 + uint64 do not exactly match dtype(...).num
EricCousineau-TRI
committed

Commits on Dec 1, 2018

numpy: Provide concrete size aliases
EricCousineau-TRI
committed