1*3d8e8822SJeremy L Thompson // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 2*3d8e8822SJeremy L Thompson // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 33bd813ffSjeremylt // 4*3d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause 53bd813ffSjeremylt // 6*3d8e8822SJeremy L Thompson // This file is part of CEED: http://github.com/ceed 73bd813ffSjeremylt 83bd813ffSjeremylt CEED_QFUNCTION(setup_mass)(void *ctx, const CeedInt Q, 93bd813ffSjeremylt const CeedScalar *const *in, 103bd813ffSjeremylt CeedScalar *const *out) { 113bd813ffSjeremylt const CeedScalar *J = in[0], *weight = in[1]; 123bd813ffSjeremylt CeedScalar *rho = out[0]; 133bd813ffSjeremylt for (CeedInt i=0; i<Q; i++) { 143bd813ffSjeremylt rho[i] = weight[i] * (J[i+Q*0]*J[i+Q*3] - J[i+Q*1]*J[i+Q*2]); 153bd813ffSjeremylt } 163bd813ffSjeremylt return 0; 173bd813ffSjeremylt } 183bd813ffSjeremylt 193bd813ffSjeremylt CEED_QFUNCTION(apply)(void *ctx, const CeedInt Q, const CeedScalar *const *in, 203bd813ffSjeremylt CeedScalar *const *out) { 213bd813ffSjeremylt // in[0] is u, size (Q) 223bd813ffSjeremylt // in[1] is mass quadrature data, size (Q) 233bd813ffSjeremylt const CeedScalar *u = in[0], *qd_mass = in[1]; 243bd813ffSjeremylt 253bd813ffSjeremylt // out[0] is output to multiply against v, size (Q) 263bd813ffSjeremylt CeedScalar *v = out[0]; 273bd813ffSjeremylt 283bd813ffSjeremylt // Quadrature point loop 293bd813ffSjeremylt for (CeedInt i=0; i<Q; i++) { 303bd813ffSjeremylt // Mass 313bd813ffSjeremylt v[i] = qd_mass[i]*u[i]; 323bd813ffSjeremylt } 333bd813ffSjeremylt 343bd813ffSjeremylt return 0; 353bd813ffSjeremylt } 36