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)(void *ctx, const CeedInt Q, 9 const CeedScalar *const *in, 10 CeedScalar *const *out) { 11 const CeedScalar *weight = in[0], *J = 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(mass)(void *ctx, const CeedInt Q, const CeedScalar *const *in, 20 CeedScalar *const *out) { 21 const CeedScalar *rho = in[0], *u = in[1]; 22 CeedScalar *v = out[0]; 23 24 const CeedScalar scale[2][2] = { 25 {1.0, 2.0}, 26 {3.0, 4.0}, 27 }; 28 29 for (CeedInt i = 0; i < Q; i++) { 30 for (CeedInt c_out = 0; c_out < 2; c_out++) { 31 v[i+Q*c_out] = 0.0; 32 for (CeedInt c_in = 0; c_in < 2; c_in++) { 33 v[i+Q*c_out] += rho[i] * u[i+Q*c_in] * scale[c_in][c_out]; 34 } 35 } 36 } 37 return 0; 38 } 39