pub type caxpyf_ex_ft = Option<unsafe extern "C" fn(conja: conj_t, conjx: conj_t, m: dim_t, b_n: dim_t, alpha: *const scomplex, a: *const scomplex, inca: inc_t, lda: inc_t, x: *const scomplex, incx: inc_t, y: *mut scomplex, incy: inc_t, cntx: *const cntx_t, rntm: *mut rntm_t)>;
