1 // Copyright (c) 2017-2026, 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 #include <ceed.h> 9 #include <ceed/backend.h> 10 #include <ceed/jit-source/gallery/ceed-poisson3dapply.h> 11 #include <string.h> 12 13 /** 14 @brief Set fields for `CeedQFunction` applying the 3D Poisson operator 15 **/ 16 static int CeedQFunctionInit_Poisson3DApply(Ceed ceed, const char *requested, CeedQFunction qf) { 17 // Check QFunction name 18 const char *name = "Poisson3DApply"; 19 20 CeedCheck(!strcmp(name, requested), ceed, CEED_ERROR_UNSUPPORTED, "QFunction '%s' does not match requested name: %s", name, requested); 21 22 // Add QFunction fields 23 const CeedInt dim = 3; 24 25 CeedCall(CeedQFunctionAddInput(qf, "du", dim, CEED_EVAL_GRAD)); 26 CeedCall(CeedQFunctionAddInput(qf, "qdata", dim * (dim + 1) / 2, CEED_EVAL_NONE)); 27 CeedCall(CeedQFunctionAddOutput(qf, "dv", dim, CEED_EVAL_GRAD)); 28 29 CeedCall(CeedQFunctionSetUserFlopsEstimate(qf, 15)); 30 return CEED_ERROR_SUCCESS; 31 } 32 33 /** 34 @brief Register `CeedQFunction` for applying the 3D Poisson operator 35 **/ 36 CEED_INTERN int CeedQFunctionRegister_Poisson3DApply(void) { 37 return CeedQFunctionRegister("Poisson3DApply", Poisson3DApply_loc, 1, Poisson3DApply, CeedQFunctionInit_Poisson3DApply); 38 } 39