1 // Copyright (c) 2017-2022, 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 #include <ceed.h> 9 10 CEED_QFUNCTION(setup)(void *ctx, const CeedInt Q, 11 const CeedScalar *const *in, 12 CeedScalar *const *out) { 13 const CeedScalar *weight = in[0], *J = in[1]; 14 CeedScalar *rho = out[0]; 15 for (CeedInt i=0; i<Q; i++) { 16 rho[i] = weight[i] * (J[i+Q*0]*J[i+Q*3] - J[i+Q*1]*J[i+Q*2]); 17 } 18 return 0; 19 } 20 21 CEED_QFUNCTION(mass)(void *ctx, const CeedInt Q, const CeedScalar *const *in, 22 CeedScalar *const *out) { 23 const CeedScalar *rho = in[0], *u = in[1]; 24 CeedScalar *v = out[0]; 25 for (CeedInt i=0; i<Q; i++) { 26 for (CeedInt c=0; c<2; c++) 27 v[i+Q*c] = rho[i] * u[i+Q*(c ? 0 : 1)]; 28 } 29 return 0; 30 } 31