1a0154adeSJed Brown // Copyright (c) 2017-2022, 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 Ceed QFunction for applying the 1D Poisson operator 10a0154adeSJed Brown **/ 11a0154adeSJed Brown 12a0154adeSJed Brown #ifndef poisson1dapply_h 13a0154adeSJed Brown #define poisson1dapply_h 14a0154adeSJed Brown 15c9c2c079SJeremy L Thompson #include <ceed.h> 16c9c2c079SJeremy L Thompson 17*2b730f8bSJeremy L Thompson CEED_QFUNCTION(Poisson1DApply)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { 18a0154adeSJed Brown // in[0] is gradient u, size (Q) 19a0154adeSJed Brown // in[1] is quadrature data, size (Q) 20a0154adeSJed Brown const CeedScalar *ug = in[0], *q_data = in[1]; 21a0154adeSJed Brown 22a0154adeSJed Brown // out[0] is output to multiply against gradient v, size (Q) 23a0154adeSJed Brown CeedScalar *vg = out[0]; 24a0154adeSJed Brown 25a0154adeSJed Brown // Quadrature point loop 26*2b730f8bSJeremy L Thompson CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) { vg[i] = ug[i] * q_data[i]; } // End of Quadrature Point Loop 27a0154adeSJed Brown 28a0154adeSJed Brown return CEED_ERROR_SUCCESS; 29a0154adeSJed Brown } 30a0154adeSJed Brown 31a0154adeSJed Brown #endif // poisson1dapply_h 32