1 // Copyright (c) 2017-2018, Lawrence Livermore National Security, LLC. 2 // Produced at the Lawrence Livermore National Laboratory. LLNL-CODE-734707. 3 // All Rights reserved. See files LICENSE and NOTICE for details. 4 // 5 // This file is part of CEED, a collection of benchmarks, miniapps, software 6 // libraries and APIs for efficient high-order finite element and spectral 7 // element discretizations for exascale applications. For more information and 8 // source code availability see http://github.com/ceed. 9 // 10 // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, 11 // a collaborative effort of two U.S. Department of Energy organizations (Office 12 // of Science and the National Nuclear Security Administration) responsible for 13 // the planning and preparation of a capable exascale ecosystem, including 14 // software, applications, hardware, advanced system engineering and early 15 // testbed platforms, in support of the nation's exascale computing imperative. 16 17 CEED_QFUNCTION(setup)(void *ctx, const CeedInt Q, 18 const CeedScalar *const *in, 19 CeedScalar *const *out) { 20 const CeedScalar *weight = in[0], *dxdX = in[1]; 21 CeedScalar *rho = out[0]; 22 23 for (CeedInt i=0; i<Q; i++) { 24 rho[i] = weight[i] * dxdX[i]; 25 } 26 return 0; 27 } 28 29 CEED_QFUNCTION(mass)(void *ctx, const CeedInt Q, const CeedScalar *const *in, 30 CeedScalar *const *out) { 31 // *INDENT-OFF* 32 const CeedScalar *rho = in[0], 33 (*u)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[1]; 34 CeedScalar (*v)[CEED_Q_VLA] = (CeedScalar(*)[CEED_Q_VLA])out[0]; 35 // *INDENT-ON* 36 37 for (CeedInt i=0; i<Q; i++) { 38 v[0][i] = rho[i] * u[0][i]; 39 v[1][i] = rho[i] * u[1][i]; 40 } 41 return 0; 42 } 43