1*5aed82e4SJeremy L Thompson // Copyright (c) 2017-2024, 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 building the geometric data for the 1D Poisson operator 10a0154adeSJed Brown **/ 11a0154adeSJed Brown 1294b7b29bSJeremy L Thompson #ifndef CEED_POISSON1DBUILD_H 1394b7b29bSJeremy L Thompson #define CEED_POISSON1DBUILD_H 14a0154adeSJed Brown 15c9c2c079SJeremy L Thompson #include <ceed.h> 16c9c2c079SJeremy L Thompson 172b730f8bSJeremy L Thompson CEED_QFUNCTION(Poisson1DBuild)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { 18a0154adeSJed Brown // At every quadrature point, compute w/det(J).adj(J).adj(J)^T and store 19a0154adeSJed Brown // the symmetric part of the result. 20a0154adeSJed Brown 21a0154adeSJed Brown // in[0] is Jacobians, size (Q) 22a0154adeSJed Brown // in[1] is quadrature weights, size (Q) 23a0154adeSJed Brown const CeedScalar *J = in[0], *w = in[1]; 24a0154adeSJed Brown 25a0154adeSJed Brown // out[0] is qdata, size (Q) 26a0154adeSJed Brown CeedScalar *q_data = out[0]; 27a0154adeSJed Brown 28a0154adeSJed Brown // Quadrature point loop 292b730f8bSJeremy L Thompson CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) { q_data[i] = w[i] / J[i]; } // End of Quadrature Point Loop 30a0154adeSJed Brown 31a0154adeSJed Brown return CEED_ERROR_SUCCESS; 32a0154adeSJed Brown } 33a0154adeSJed Brown 3494b7b29bSJeremy L Thompson #endif // CEED_POISSON1DBUILD_H 35