10219ea01SJeremy L Thompson // Copyright (c) 2017-2018, Lawrence Livermore National Security, LLC. 20219ea01SJeremy L Thompson // Produced at the Lawrence Livermore National Laboratory. LLNL-CODE-734707. 30219ea01SJeremy L Thompson // All Rights reserved. See files LICENSE and NOTICE for details. 40219ea01SJeremy L Thompson // 50219ea01SJeremy L Thompson // This file is part of CEED, a collection of benchmarks, miniapps, software 60219ea01SJeremy L Thompson // libraries and APIs for efficient high-order finite element and spectral 70219ea01SJeremy L Thompson // element discretizations for exascale applications. For more information and 80219ea01SJeremy L Thompson // source code availability see http://github.com/ceed. 90219ea01SJeremy L Thompson // 100219ea01SJeremy L Thompson // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, 110219ea01SJeremy L Thompson // a collaborative effort of two U.S. Department of Energy organizations (Office 120219ea01SJeremy L Thompson // of Science and the National Nuclear Security Administration) responsible for 130219ea01SJeremy L Thompson // the planning and preparation of a capable exascale ecosystem, including 140219ea01SJeremy L Thompson // software, applications, hardware, advanced system engineering and early 150219ea01SJeremy L Thompson // testbed platforms, in support of the nation's exascale computing imperative. 160219ea01SJeremy L Thompson 17ec3da8bcSJed Brown #include <ceed/ceed.h> 18ec3da8bcSJed Brown #include <ceed/backend.h> 19*547dbd6fSJeremy L Thompson #include <stddef.h> 200219ea01SJeremy L Thompson #include <string.h> 210219ea01SJeremy L Thompson #include "ceed-identity.h" 220219ea01SJeremy L Thompson 230219ea01SJeremy L Thompson /** 240219ea01SJeremy L Thompson @brief Set fields identity QFunction that copies inputs directly into outputs 250219ea01SJeremy L Thompson **/ 260219ea01SJeremy L Thompson static int CeedQFunctionInit_Identity(Ceed ceed, const char *requested, 270219ea01SJeremy L Thompson CeedQFunction qf) { 28*547dbd6fSJeremy L Thompson int ierr; 29*547dbd6fSJeremy L Thompson 300219ea01SJeremy L Thompson // Check QFunction name 310219ea01SJeremy L Thompson const char *name = "Identity"; 320219ea01SJeremy L Thompson if (strcmp(name, requested)) 33f0d2f928Sjeremylt // LCOV_EXCL_START 34e15f9bd0SJeremy L Thompson return CeedError(ceed, CEED_ERROR_UNSUPPORTED, 35e15f9bd0SJeremy L Thompson "QFunction '%s' does not match requested name: %s", 360219ea01SJeremy L Thompson name, requested); 37f0d2f928Sjeremylt // LCOV_EXCL_STOP 380219ea01SJeremy L Thompson 3960f77c51Sjeremylt // QFunction fields 'input' and 'output' with requested emodes added 4060f77c51Sjeremylt // by the library rather than being added here 410219ea01SJeremy L Thompson 42*547dbd6fSJeremy L Thompson // Context data 43*547dbd6fSJeremy L Thompson CeedQFunctionContext ctx; 44*547dbd6fSJeremy L Thompson IdentityCtx ctx_data = {.size = 1}; 45*547dbd6fSJeremy L Thompson ierr = CeedQFunctionContextCreate(ceed, &ctx); CeedChk(ierr); 46*547dbd6fSJeremy L Thompson ierr = CeedQFunctionContextSetData(ctx, CEED_MEM_HOST, CEED_COPY_VALUES, 47*547dbd6fSJeremy L Thompson sizeof(ctx_data), (void *)&ctx_data); 48*547dbd6fSJeremy L Thompson CeedChk(ierr); 49*547dbd6fSJeremy L Thompson ierr = CeedQFunctionContextRegisterInt32(ctx, "size", offsetof(IdentityCtx, 50*547dbd6fSJeremy L Thompson size), "field size of identity QFunction"); CeedChk(ierr); 51*547dbd6fSJeremy L Thompson ierr = CeedQFunctionSetContext(qf, ctx); CeedChk(ierr); 52*547dbd6fSJeremy L Thompson ierr = CeedQFunctionContextDestroy(&ctx); CeedChk(ierr); 53*547dbd6fSJeremy L Thompson 54e15f9bd0SJeremy L Thompson return CEED_ERROR_SUCCESS; 550219ea01SJeremy L Thompson } 560219ea01SJeremy L Thompson 570219ea01SJeremy L Thompson /** 580219ea01SJeremy L Thompson @brief Register identity QFunction that copies inputs directly into outputs 590219ea01SJeremy L Thompson **/ 601d013790SJed Brown CEED_INTERN int CeedQFunctionRegister_Identity(void) { 611d013790SJed Brown return CeedQFunctionRegister("Identity", Identity_loc, 1, Identity, 620219ea01SJeremy L Thompson CeedQFunctionInit_Identity); 630219ea01SJeremy L Thompson } 64