pub unsafe extern "C" fn cblas_sgemm( order: Order, trans_a: Transpose, trans_b: Transpose, m: u32, n: u32, k: u32, alpha: c_float, a: *const c_float, lda: u32, b: *const c_float, ldb: u32, beta: c_float, c: *mut c_float, ldc: u32)