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 on a vector system with three components 11a0154adeSJed Brown **/ 12a0154adeSJed Brown 13a0154adeSJed Brown #ifndef vectorpoisson1dapply_h 14a0154adeSJed Brown #define vectorpoisson1dapply_h 15a0154adeSJed Brown 16*c9c2c079SJeremy L Thompson #include <ceed.h> 17*c9c2c079SJeremy L Thompson 18a0154adeSJed Brown CEED_QFUNCTION(Vector3Poisson1DApply)(void *ctx, const CeedInt Q, 19a0154adeSJed Brown const CeedScalar *const *in, 20a0154adeSJed Brown CeedScalar *const *out) { 21a0154adeSJed Brown // *INDENT-OFF* 22a0154adeSJed Brown // in[0] is gradient u, shape [1, nc=3, Q] 23a0154adeSJed Brown // in[1] is quadrature data, size (Q) 24a0154adeSJed Brown const CeedScalar (*ug)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[0], 25a0154adeSJed Brown (*q_data) = in[1]; 26a0154adeSJed Brown // out[0] is output to multiply against gradient v, shape [1, nc=3, Q] 27a0154adeSJed Brown CeedScalar (*vg)[CEED_Q_VLA] = (CeedScalar(*)[CEED_Q_VLA])out[0]; 28a0154adeSJed Brown // *INDENT-ON* 29a0154adeSJed Brown 30a0154adeSJed Brown const CeedInt num_comp = 3; 31a0154adeSJed Brown 32a0154adeSJed Brown // Quadrature point loop 33a0154adeSJed Brown CeedPragmaSIMD 34a0154adeSJed Brown for (CeedInt i=0; i<Q; i++) { 35a0154adeSJed Brown for (CeedInt c=0; c<num_comp; c++) { 36a0154adeSJed Brown vg[c][i] = ug[c][i] * q_data[i]; 37a0154adeSJed Brown } 38a0154adeSJed Brown } // End of Quadrature Point Loop 39a0154adeSJed Brown 40a0154adeSJed Brown return CEED_ERROR_SUCCESS; 41a0154adeSJed Brown } 42a0154adeSJed Brown 43a0154adeSJed Brown #endif // vectorpoisson1dapply_h 44