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 15*c9c2c079SJeremy L Thompson #include <ceed.h> 16*c9c2c079SJeremy L Thompson 17a0154adeSJed Brown CEED_QFUNCTION(Mass2DBuild)(void *ctx, const CeedInt Q, 18a0154adeSJed Brown const CeedScalar *const *in, CeedScalar *const *out) { 19a0154adeSJed Brown // *INDENT-OFF* 20a0154adeSJed Brown // in[0] is Jacobians with shape [2, nc=2, Q] 21a0154adeSJed Brown // in[1] is quadrature weights, size (Q) 22a0154adeSJed Brown const CeedScalar (*J)[2][CEED_Q_VLA] = (const CeedScalar(*)[2][CEED_Q_VLA])in[0], 23a0154adeSJed Brown *w = in[1]; 24a0154adeSJed Brown // out[0] is quadrature data, size (Q) 25a0154adeSJed Brown CeedScalar *q_data = out[0]; 26a0154adeSJed Brown // *INDENT-ON* 27a0154adeSJed Brown 28a0154adeSJed Brown // Quadrature point loop 29a0154adeSJed Brown CeedPragmaSIMD 30a0154adeSJed Brown for (CeedInt i=0; i<Q; i++) { 31a0154adeSJed Brown q_data[i] = (J[0][0][i]*J[1][1][i] - J[0][1][i]*J[1][0][i]) * w[i]; 32a0154adeSJed Brown } // End of Quadrature Point Loop 33a0154adeSJed Brown 34a0154adeSJed Brown return CEED_ERROR_SUCCESS; 35a0154adeSJed Brown } 36a0154adeSJed Brown 37a0154adeSJed Brown #endif // mass2dbuild_h 38