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 building the geometric data for the 2D mass matrix 10a0154adeSJed Brown **/ 11a0154adeSJed Brown 12a0154adeSJed Brown #ifndef mass2dbuild_h 13a0154adeSJed Brown #define mass2dbuild_h 14a0154adeSJed Brown 15c9c2c079SJeremy L Thompson #include <ceed.h> 16c9c2c079SJeremy L Thompson 17*2b730f8bSJeremy L Thompson CEED_QFUNCTION(Mass2DBuild)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { 18a0154adeSJed Brown // *INDENT-OFF* 19a0154adeSJed Brown // in[0] is Jacobians with shape [2, nc=2, Q] 20a0154adeSJed Brown // in[1] is quadrature weights, size (Q) 21*2b730f8bSJeremy L Thompson const CeedScalar(*J)[2][CEED_Q_VLA] = (const CeedScalar(*)[2][CEED_Q_VLA])in[0], *w = in[1]; 22a0154adeSJed Brown // out[0] is quadrature data, size (Q) 23a0154adeSJed Brown CeedScalar *q_data = out[0]; 24a0154adeSJed Brown // *INDENT-ON* 25a0154adeSJed Brown 26a0154adeSJed Brown // Quadrature point loop 27*2b730f8bSJeremy L Thompson CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) { 28a0154adeSJed Brown q_data[i] = (J[0][0][i] * J[1][1][i] - J[0][1][i] * J[1][0][i]) * w[i]; 29a0154adeSJed Brown } // End of Quadrature Point Loop 30a0154adeSJed Brown 31a0154adeSJed Brown return CEED_ERROR_SUCCESS; 32a0154adeSJed Brown } 33a0154adeSJed Brown 34a0154adeSJed Brown #endif // mass2dbuild_h 35