1 // Copyright (c) 2017-2026, 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>
readQuads(const CeedInt quad,const CeedInt num_qpts,const CeedScalar * d_u,CeedScalar * r_u)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>
writeQuads(const CeedInt quad,const CeedInt num_qpts,const CeedScalar * r_v,CeedScalar * d_v)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