1 // Copyright (c) 2017, Lawrence Livermore National Security, LLC. Produced at 2 // the Lawrence Livermore National Laboratory. LLNL-CODE-734707. All Rights 3 // 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 /// @file 18 /// libCEED QFunctions for BP examples using PETSc 19 20 // ----------------------------------------------------------------------------- 21 CEED_QFUNCTION(Error)(void *ctx, CeedInt Q, 22 const CeedScalar *const *in, CeedScalar *const *out) { 23 const CeedScalar *u = in[0], *target = in[1]; 24 CeedScalar *err = out[0]; 25 for (CeedInt i=0; i<Q; i++) { 26 err[i] = u[i] - target[i]; 27 } 28 return 0; 29 } 30 31 // ----------------------------------------------------------------------------- 32 CEED_QFUNCTION(Error3)(void *ctx, CeedInt Q, 33 const CeedScalar *const *in, CeedScalar *const *out) { 34 const CeedScalar *u = in[0], *target = in[1]; 35 CeedScalar *err = out[0]; 36 for (CeedInt i=0; i<3*Q; i++) { 37 err[i] = u[i] - target[i]; 38 } 39 return 0; 40 } 41 // ----------------------------------------------------------------------------- 42