15aed82e4SJeremy L Thompson // Copyright (c) 2017-2024, 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*c0b5abf0SJeremy L Thompson #include <ceed/types.h> 9c9c2c079SJeremy L Thompson 102b730f8bSJeremy L Thompson CEED_QFUNCTION(setup_mass)(void *ctx, const CeedInt Q, const CeedScalar *const *in, 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 192b730f8bSJeremy L Thompson CEED_QFUNCTION(apply)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { 203bd813ffSjeremylt // in[0] is u, size (Q) 213bd813ffSjeremylt // in[1] is mass quadrature data, size (Q) 223bd813ffSjeremylt const CeedScalar *u = in[0], *qd_mass = in[1]; 233bd813ffSjeremylt 243bd813ffSjeremylt // out[0] is output to multiply against v, size (Q) 253bd813ffSjeremylt CeedScalar *v = out[0]; 263bd813ffSjeremylt 273bd813ffSjeremylt // Quadrature point loop 283bd813ffSjeremylt for (CeedInt i = 0; i < Q; i++) { 293bd813ffSjeremylt // Mass 303bd813ffSjeremylt v[i] = qd_mass[i] * u[i]; 313bd813ffSjeremylt } 323bd813ffSjeremylt 333bd813ffSjeremylt return 0; 343bd813ffSjeremylt } 35