Function matrixmultiply_mt::dgemm_st

pub unsafe fn dgemm_st(
    m: usize,
    k: usize,
    n: usize,
    alpha: f64,
    a: *const f64,
    rsa: isize,
    csa: isize,
    b: *const f64,
    rsb: isize,
    csb: isize,
    beta: f64,
    c: *mut f64,
    rsc: isize,
    csc: isize
)

Single threaded dgemm