1 // Copyright (c) 2017-2025, Lawrence Livermore National Security, LLC and other CEED contributors. 2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3 // 4 // SPDX-License-Identifier: BSD-2-Clause 5 // 6 // This file is part of CEED: http://github.com/ceed 7 8 /// @file 9 /// Internal header for CUDA backend QFunction read/write kernels 10 #include <ceed/types.h> 11 12 //------------------------------------------------------------------------------ 13 // Read from quadrature points 14 //------------------------------------------------------------------------------ 15 template <int SIZE> 16 inline __device__ void readQuads(const CeedInt quad, const CeedInt num_qpts, const CeedScalar *d_u, CeedScalar *r_u) { 17 for (CeedInt comp = 0; comp < SIZE; comp++) { 18 r_u[comp] = d_u[quad + num_qpts * comp]; 19 } 20 } 21 22 //------------------------------------------------------------------------------ 23 // Write at quadrature points 24 //------------------------------------------------------------------------------ 25 template <int SIZE> 26 inline __device__ void writeQuads(const CeedInt quad, const CeedInt num_qpts, const CeedScalar *r_v, CeedScalar *d_v) { 27 for (CeedInt comp = 0; comp < SIZE; comp++) { 28 d_v[quad + num_qpts * comp] = r_v[comp]; 29 } 30 } 31