Function gsl_sys::gsl_blas_zgemm

pub unsafe extern "C" fn gsl_blas_zgemm(
    TransA: CBLAS_TRANSPOSE_t, 
    TransB: CBLAS_TRANSPOSE_t, 
    alpha: gsl_complex, 
    A: *const gsl_matrix_complex, 
    B: *const gsl_matrix_complex, 
    beta: gsl_complex, 
    C: *mut gsl_matrix_complex
) -> c_int