1*9ba83ac0SJeremy L Thompson // Copyright (c) 2017-2026, Lawrence Livermore National Security, LLC and other CEED contributors. 2a0154adeSJed Brown // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3a0154adeSJed Brown // 4a0154adeSJed Brown // SPDX-License-Identifier: BSD-2-Clause 5a0154adeSJed Brown // 6a0154adeSJed Brown // This file is part of CEED: http://github.com/ceed 7a0154adeSJed Brown 8a0154adeSJed Brown /** 9a0154adeSJed Brown @brief Identity QFunction that copies inputs directly into outputs 10a0154adeSJed Brown **/ 11c0b5abf0SJeremy L Thompson #include <ceed/types.h> 12c9c2c079SJeremy L Thompson 13a0154adeSJed Brown typedef struct { 14a0154adeSJed Brown CeedInt size; 15a0154adeSJed Brown } IdentityCtx; 16a0154adeSJed Brown 172b730f8bSJeremy L Thompson CEED_QFUNCTION(Identity)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { 18a0154adeSJed Brown // Ctx holds field size 19a0154adeSJed Brown IdentityCtx identity_ctx = *(IdentityCtx *)ctx; 20a0154adeSJed Brown const CeedInt size = identity_ctx.size; 21a0154adeSJed Brown 22a0154adeSJed Brown // in[0] is input, size (Q*size) 23a0154adeSJed Brown const CeedScalar *input = in[0]; 24a0154adeSJed Brown // out[0] is output, size (Q*size) 25a0154adeSJed Brown CeedScalar *output = out[0]; 26a0154adeSJed Brown 27a0154adeSJed Brown // Quadrature point loop 282b730f8bSJeremy L Thompson CeedPragmaSIMD for (CeedInt i = 0; i < Q * size; i++) { output[i] = input[i]; } // End of Quadrature Point Loop 29a0154adeSJed Brown 30a0154adeSJed Brown return CEED_ERROR_SUCCESS; 31a0154adeSJed Brown } 32