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 CEED_QFUNCTION(setup_mass)(void *ctx, const CeedInt Q, 9 const CeedScalar *const *in, 10 CeedScalar *const *out) { 11 const CeedScalar *J = in[0], *weight = in[1]; 12 CeedScalar *rho = out[0]; 13 for (CeedInt i=0; i<Q; i++) { 14 rho[i] = weight[i] * (J[i+Q*0]*J[i+Q*3] - J[i+Q*1]*J[i+Q*2]); 15 } 16 return 0; 17 } 18 19 CEED_QFUNCTION(apply)(void *ctx, const CeedInt Q, const CeedScalar *const *in, 20 CeedScalar *const *out) { 21 // in[0] is u, size (Q) 22 // in[1] is mass quadrature data, size (Q) 23 const CeedScalar *u = in[0], *qd_mass = in[1]; 24 25 // out[0] is output to multiply against v, size (Q) 26 CeedScalar *v = out[0]; 27 28 // Quadrature point loop 29 for (CeedInt i=0; i<Q; i++) { 30 // Mass 31 v[i] = qd_mass[i]*u[i]; 32 } 33 34 return 0; 35 } 36