Method get_norm

XM/include/Utils/memory.h:992–999

            return;
        }
        inline float get_norm(const DeviceBlasHandle& cublas_H) {
            float norm;
            CHECK_CUDA( cudaSetDevice(this->gpu_id) );
            CHECK_CUBLAS( cublasSnrm2_v2(
                cublas_H.cublas_handle, this->size, this->vals, 1, &norm
            ) );
            return norm;
        }

        ~DeviceDnVecFloat() {
            CHECK_CUDA( cudaSetDevice(this->gpu_id) );