Move reinterpret
-based optimization for complex matrix * real vec/mat to lower level.
#44052
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Inspired by #44011.
This has 2 advantages:
reinterpret
-based optimiztion is faster only for BLAS-compatible cases. This PR ensures that it does not cause regression.reinterpret(T, A::StridedArray)
might not be aStridedArray
. But we can still call BLAS api as we havestrides
defined.The current test should cover all cases. (see #29246)Edit: Test size is enlarged to 5x5 to enable BLAS fallback.