Method DeviceDnVecFloat

XM/include/Utils/memory.h:971–971

        cusparseDnVecDescr_t cusparse_descr;

        DeviceDnVecFloat(): gpu_id(0), size(0), vals(nullptr), cusparse_descr(NULL) {}
        DeviceDnVecFloat(const int gpu_id, const int size, bool as_byte = false):
            gpu_id(gpu_id), size(size), vals(nullptr), cusparse_descr(NULL) {
            this->allocate(this->gpu_id, this->size, as_byte);