1*a0154adeSJed Brown // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 2*a0154adeSJed Brown // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3*a0154adeSJed Brown // 4*a0154adeSJed Brown // SPDX-License-Identifier: BSD-2-Clause 5*a0154adeSJed Brown // 6*a0154adeSJed Brown // This file is part of CEED: http://github.com/ceed 7*a0154adeSJed Brown 8*a0154adeSJed Brown /** 9*a0154adeSJed Brown @brief Ceed QFunction for building the geometric data for the 3D mass matrix 10*a0154adeSJed Brown **/ 11*a0154adeSJed Brown 12*a0154adeSJed Brown #ifndef mass3dbuild_h 13*a0154adeSJed Brown #define mass3dbuild_h 14*a0154adeSJed Brown 15*a0154adeSJed Brown CEED_QFUNCTION(Mass3DBuild)(void *ctx, const CeedInt Q, 16*a0154adeSJed Brown const CeedScalar *const *in, CeedScalar *const *out) { 17*a0154adeSJed Brown // *INDENT-OFF* 18*a0154adeSJed Brown // in[0] is Jacobians with shape [2, nc=3, Q] 19*a0154adeSJed Brown // in[1] is quadrature weights, size (Q) 20*a0154adeSJed Brown const CeedScalar (*J)[3][CEED_Q_VLA] = (const CeedScalar(*)[3][CEED_Q_VLA])in[0], 21*a0154adeSJed Brown *w = in[1]; 22*a0154adeSJed Brown // out[0] is quadrature data, size (Q) 23*a0154adeSJed Brown CeedScalar *q_data = out[0]; 24*a0154adeSJed Brown // *INDENT-ON* 25*a0154adeSJed Brown 26*a0154adeSJed Brown // Quadrature point loop 27*a0154adeSJed Brown CeedPragmaSIMD 28*a0154adeSJed Brown for (CeedInt i=0; i<Q; i++) { 29*a0154adeSJed Brown q_data[i] = (J[0][0][i]*(J[1][1][i]*J[2][2][i] - J[1][2][i]*J[2][1][i]) - 30*a0154adeSJed Brown J[0][1][i]*(J[1][0][i]*J[2][2][i] - J[1][2][i]*J[2][0][i]) + 31*a0154adeSJed Brown J[0][2][i]*(J[1][0][i]*J[2][1][i] - J[1][1][i]*J[2][0][i])) * w[i]; 32*a0154adeSJed Brown } // End of Quadrature Point Loop 33*a0154adeSJed Brown 34*a0154adeSJed Brown return CEED_ERROR_SUCCESS; 35*a0154adeSJed Brown } 36*a0154adeSJed Brown 37*a0154adeSJed Brown #endif // mass3dbuild_h 38