Function bli_dshiftd_ex 

pub unsafe extern "C" fn bli_dshiftd_ex(
    diagoffx: doff_t,
    m: dim_t,
    n: dim_t,
    alpha: *const f64,
    x: *mut f64,
    rs_x: inc_t,
    cs_x: inc_t,
    cntx: *const cntx_t,
    rntm: *const rntm_t,
)