BUG: core: fix ilp64 blas dot/vdot/... for strides > int32 max #17243
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Fix overlooked int cast when HAVE_BLAS_ILP64 is defined. It was supposed to cast to CBLAS_INT, not int. Also add a regression test. Move blas_stride() to npy_cblas.h Replace npy_is_aligned by modulo; we're going to call BLAS so no need to micro-optimize integer division here.
charris
added
00 - Bug
component: numpy._core
08 - Backport
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Backport of #17121.
Fix overlooked int cast when HAVE_BLAS_ILP64 is defined.
It was supposed to cast to CBLAS_INT, not int.
Also add a regression test.
Fixes #17111