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_mass)(void *ctx, const CeedInt Q, 11 const CeedScalar *const *in, 12 CeedScalar *const *out) { 13 const CeedScalar *J = in[0], *weight = 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(apply)(void *ctx, const CeedInt Q, const CeedScalar *const *in, 22 CeedScalar *const *out) { 23 // in[0] is u, size (Q) 24 // in[1] is mass quadrature data, size (Q) 25 const CeedScalar *u = in[0], *qd_mass = in[1]; 26 27 // out[0] is output to multiply against v, size (Q) 28 CeedScalar *v = out[0]; 29 30 // Quadrature point loop 31 for (CeedInt i=0; i<Q; i++) { 32 // Mass 33 v[i] = qd_mass[i]*u[i]; 34 } 35 36 return 0; 37 } 38