1 // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3 // 4 // SPDX-License-Identifier: BSD-2-Clause 5 // 6 // This file is part of CEED: http://github.com/ceed 7 8 /** 9 @brief Ceed QFunction for building the geometric data for the 2D mass matrix 10 **/ 11 12 #ifndef mass2dbuild_h 13 #define mass2dbuild_h 14 15 #include <ceed.h> 16 17 CEED_QFUNCTION(Mass2DBuild)(void *ctx, const CeedInt Q, 18 const CeedScalar *const *in, CeedScalar *const *out) { 19 // *INDENT-OFF* 20 // in[0] is Jacobians with shape [2, nc=2, Q] 21 // in[1] is quadrature weights, size (Q) 22 const CeedScalar (*J)[2][CEED_Q_VLA] = (const CeedScalar(*)[2][CEED_Q_VLA])in[0], 23 *w = in[1]; 24 // out[0] is quadrature data, size (Q) 25 CeedScalar *q_data = out[0]; 26 // *INDENT-ON* 27 28 // Quadrature point loop 29 CeedPragmaSIMD 30 for (CeedInt i=0; i<Q; i++) { 31 q_data[i] = (J[0][0][i]*J[1][1][i] - J[0][1][i]*J[1][0][i]) * w[i]; 32 } // End of Quadrature Point Loop 33 34 return CEED_ERROR_SUCCESS; 35 } 36 37 #endif // mass2dbuild_h 38