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7bc8ab485e
Details: - Expanded the BLAS compatibility layer to include support for ?axpby_() and ?gemm_batch_(). The former is a straightforward BLAS-like interface into the axpbyv operation while the latter implements a batched gemm via loops over bli_?gemm(). Also expanded the CBLAS compatibility layer to include support for cblas_?axpby() and cblas_?gemm_batch(), which serve as wrappers to the corresponding (new) BLAS-like APIs. Thanks to Meghana Vankadari for submitting these new APIs via #566. - Fixed a long-standing bug in common.mk that for some reason never manifested until now. Previously, CBLAS source files were compiled *without* the location of cblas.h being specified via a -I flag. I'm not sure why this worked, but it may be due to the fact that the cblas.h file resided in the same directory as all of the CBLAS source, and perhaps compilers implicitly add a -I flag for the directory that corresponds to the location of the source file being compiled. This bug only showed up because some CBLAS-like source code was moved into an 'extra' subdirectory of that frame/compat/cblas/src directory. After moving the code, compilation for those files failed (because the cblas.h header file, presumably, could not be found in the same location). This bug was fixed within common.mk by explicitly adding the cblas.h directory to the list of -I flags passed to the compiler. - Added test_axpbyv.c and test_gemm_batch.c files to 'test' directory, and updated test/Makefile to build those drivers. - Fixed typo in error message string in cblas_sgemm.c.