13d8e8822SJeremy L Thompson // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 23d8e8822SJeremy L Thompson // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 33bd813ffSjeremylt // 43d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause 53bd813ffSjeremylt // 63d8e8822SJeremy L Thompson // This file is part of CEED: http://github.com/ceed 73bd813ffSjeremylt 8*c9c2c079SJeremy L Thompson #include <ceed.h> 9*c9c2c079SJeremy L Thompson 103bd813ffSjeremylt CEED_QFUNCTION(setup_mass)(void *ctx, const CeedInt Q, 113bd813ffSjeremylt const CeedScalar *const *in, 123bd813ffSjeremylt CeedScalar *const *out) { 133bd813ffSjeremylt const CeedScalar *J = in[0], *weight = in[1]; 143bd813ffSjeremylt CeedScalar *rho = out[0]; 153bd813ffSjeremylt for (CeedInt i=0; i<Q; i++) { 163bd813ffSjeremylt rho[i] = weight[i] * (J[i+Q*0]*J[i+Q*3] - J[i+Q*1]*J[i+Q*2]); 173bd813ffSjeremylt } 183bd813ffSjeremylt return 0; 193bd813ffSjeremylt } 203bd813ffSjeremylt 213bd813ffSjeremylt CEED_QFUNCTION(apply)(void *ctx, const CeedInt Q, const CeedScalar *const *in, 223bd813ffSjeremylt CeedScalar *const *out) { 233bd813ffSjeremylt // in[0] is u, size (Q) 243bd813ffSjeremylt // in[1] is mass quadrature data, size (Q) 253bd813ffSjeremylt const CeedScalar *u = in[0], *qd_mass = in[1]; 263bd813ffSjeremylt 273bd813ffSjeremylt // out[0] is output to multiply against v, size (Q) 283bd813ffSjeremylt CeedScalar *v = out[0]; 293bd813ffSjeremylt 303bd813ffSjeremylt // Quadrature point loop 313bd813ffSjeremylt for (CeedInt i=0; i<Q; i++) { 323bd813ffSjeremylt // Mass 333bd813ffSjeremylt v[i] = qd_mass[i]*u[i]; 343bd813ffSjeremylt } 353bd813ffSjeremylt 363bd813ffSjeremylt return 0; 373bd813ffSjeremylt } 38