1*a0154adeSJed Brown // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 2*a0154adeSJed Brown // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3*a0154adeSJed Brown // 4*a0154adeSJed Brown // SPDX-License-Identifier: BSD-2-Clause 5*a0154adeSJed Brown // 6*a0154adeSJed Brown // This file is part of CEED: http://github.com/ceed 7*a0154adeSJed Brown 8*a0154adeSJed Brown /** 9*a0154adeSJed Brown @brief Identity QFunction that copies inputs directly into outputs 10*a0154adeSJed Brown **/ 11*a0154adeSJed Brown 12*a0154adeSJed Brown #ifndef identity_h 13*a0154adeSJed Brown #define identity_h 14*a0154adeSJed Brown 15*a0154adeSJed Brown typedef struct { 16*a0154adeSJed Brown CeedInt size; 17*a0154adeSJed Brown } IdentityCtx; 18*a0154adeSJed Brown 19*a0154adeSJed Brown CEED_QFUNCTION(Identity)(void *ctx, const CeedInt Q, 20*a0154adeSJed Brown const CeedScalar *const *in, 21*a0154adeSJed Brown CeedScalar *const *out) { 22*a0154adeSJed Brown // Ctx holds field size 23*a0154adeSJed Brown IdentityCtx identity_ctx = *(IdentityCtx *)ctx; 24*a0154adeSJed Brown const CeedInt size = identity_ctx.size; 25*a0154adeSJed Brown 26*a0154adeSJed Brown // in[0] is input, size (Q*size) 27*a0154adeSJed Brown const CeedScalar *input = in[0]; 28*a0154adeSJed Brown // out[0] is output, size (Q*size) 29*a0154adeSJed Brown CeedScalar *output = out[0]; 30*a0154adeSJed Brown 31*a0154adeSJed Brown // Quadrature point loop 32*a0154adeSJed Brown CeedPragmaSIMD 33*a0154adeSJed Brown for (CeedInt i=0; i<Q*size; i++) { 34*a0154adeSJed Brown output[i] = input[i]; 35*a0154adeSJed Brown } // End of Quadrature Point Loop 36*a0154adeSJed Brown 37*a0154adeSJed Brown return CEED_ERROR_SUCCESS; 38*a0154adeSJed Brown } 39*a0154adeSJed Brown 40*a0154adeSJed Brown #endif // identity_h 41