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 for (CeedInt i=0; i<Q; i++) { 23 rho[i] = weight[i] * dxdX[i]; 24 } 25 return 0; 26 } 27 28 CEED_QFUNCTION(mass)(void *ctx, const CeedInt Q, const CeedScalar *const *in, 29 CeedScalar *const *out) { 30 const CeedScalar *rho = in[0], *u = in[1]; 31 CeedScalar *v = out[0]; 32 for (CeedInt i=0; i<Q; i++) { 33 v[i] = rho[i] * u[i]; 34 } 35 return 0; 36 } 37