pub type PFN_cusolverRfSolve = unsafe extern "C" fn(handle: cusolverRfHandle_t, p: *mut c_int, q: *mut c_int, nrhs: c_int, temp: *mut f64, ld_temp: c_int, xf: *mut f64, ld_xf: c_int) -> cusolverStatus_t;