Function cblas_dgemm

pub unsafe extern "C" fn cblas_dgemm(
    layout: CBLAS_LAYOUT,
    transa: CBLAS_TRANSPOSE,
    transb: CBLAS_TRANSPOSE,
    m: c_int,
    n: c_int,
    k: c_int,
    alpha: c_double,
    a: *const c_double,
    lda: c_int,
    b: *const c_double,
    ldb: c_int,
    beta: c_double,
    c: *mut c_double,
    ldc: c_int,
)