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