CBLAS Interface to BLAS

CBLAS is a C interface to BLAS routines. Similar to BLAS, the CBLAS interface includes the following levels of functions:

To obtain the C interface, the Fortran routine names are prefixed with cblas_ (for example, dasum becomes cblas_dasum). Names of all CBLAS functions are in lowercase letters.

Complex functions ?dotc and ?dotu become CBLAS subroutines (void functions); they return the complex result via a void pointer, added as the last parameter. CBLAS names of these functions are suffixed with _sub. For example, the BLAS function cdotc corresponds to cblas_cdotc_sub.

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