1*0b6847a6SJeremy L Thompson // Copyright (c) 2017-2026, Lawrence Livermore National Security, LLC and other CEED contributors. 2*0b6847a6SJeremy L Thompson // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3*0b6847a6SJeremy L Thompson // 4*0b6847a6SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause 5*0b6847a6SJeremy L Thompson // 6*0b6847a6SJeremy L Thompson // This file is part of CEED: http://github.com/ceed 7*0b6847a6SJeremy L Thompson 8*0b6847a6SJeremy L Thompson /** 9*0b6847a6SJeremy L Thompson @brief Identity QFunction that copies first input component directly into output 10*0b6847a6SJeremy L Thompson **/ 11*0b6847a6SJeremy L Thompson #include <ceed/types.h> 12*0b6847a6SJeremy L Thompson 13*0b6847a6SJeremy L Thompson CEED_QFUNCTION(IdentityScalar)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { 14*0b6847a6SJeremy L Thompson // in[0] is input, size (Q*size) 15*0b6847a6SJeremy L Thompson const CeedScalar *input = in[0]; 16*0b6847a6SJeremy L Thompson // out[0] is output, size (Q) 17*0b6847a6SJeremy L Thompson CeedScalar *output = out[0]; 18*0b6847a6SJeremy L Thompson 19*0b6847a6SJeremy L Thompson // Quadrature point loop 20*0b6847a6SJeremy L Thompson CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) { output[i] = input[i]; } // End of Quadrature Point Loop 21*0b6847a6SJeremy L Thompson return CEED_ERROR_SUCCESS; 22*0b6847a6SJeremy L Thompson } 23