1*3d8e8822SJeremy L Thompson // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 2*3d8e8822SJeremy L Thompson // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 33091a1caSvaleriabarra // 4*3d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause 53091a1caSvaleriabarra // 6*3d8e8822SJeremy L Thompson // This file is part of CEED: http://github.com/ceed 73091a1caSvaleriabarra 8d1d35e2fSjeremylt static void buildmats(CeedScalar *q_ref, CeedScalar *q_weight, 9d1d35e2fSjeremylt CeedScalar *interp, 1052bfb9bbSJeremy L Thompson CeedScalar *grad) { 1152bfb9bbSJeremy L Thompson CeedInt P = 6, Q = 4; 1252bfb9bbSJeremy L Thompson 13d1d35e2fSjeremylt q_ref[0] = 0.2; 14d1d35e2fSjeremylt q_ref[1] = 0.6; 15d1d35e2fSjeremylt q_ref[2] = 1./3.; 16d1d35e2fSjeremylt q_ref[3] = 0.2; 17d1d35e2fSjeremylt q_ref[4] = 0.2; 18d1d35e2fSjeremylt q_ref[5] = 0.2; 19d1d35e2fSjeremylt q_ref[6] = 1./3.; 20d1d35e2fSjeremylt q_ref[7] = 0.6; 21d1d35e2fSjeremylt q_weight[0] = 25./96.; 22d1d35e2fSjeremylt q_weight[1] = 25./96.; 23d1d35e2fSjeremylt q_weight[2] = -27./96.; 24d1d35e2fSjeremylt q_weight[3] = 25./96.; 2552bfb9bbSJeremy L Thompson 2652bfb9bbSJeremy L Thompson // Loop over quadrature points 2752bfb9bbSJeremy L Thompson for (int i=0; i<Q; i++) { 28d1d35e2fSjeremylt CeedScalar x1 = q_ref[0*Q+i], x2 = q_ref[1*Q+i]; 2952bfb9bbSJeremy L Thompson // Interp 3052bfb9bbSJeremy L Thompson interp[i*P+0] = 2.*(x1+x2-1.)*(x1+x2-1./2.); 3152bfb9bbSJeremy L Thompson interp[i*P+1] = -4.*x1*(x1+x2-1.); 3252bfb9bbSJeremy L Thompson interp[i*P+2] = 2.*x1*(x1-1./2.); 3352bfb9bbSJeremy L Thompson interp[i*P+3] = -4.*x2*(x1+x2-1.); 3452bfb9bbSJeremy L Thompson interp[i*P+4] = 4.*x1*x2; 3552bfb9bbSJeremy L Thompson interp[i*P+5] = 2.*x2*(x2-1./2.); 3652bfb9bbSJeremy L Thompson // Grad 3752bfb9bbSJeremy L Thompson grad[(i+0)*P+0] = 2.*(1.*(x1+x2-1./2.)+(x1+x2-1.)*1.); 3852bfb9bbSJeremy L Thompson grad[(i+Q)*P+0] = 2.*(1.*(x1+x2-1./2.)+(x1+x2-1.)*1.); 3952bfb9bbSJeremy L Thompson grad[(i+0)*P+1] = -4.*(1.*(x1+x2-1.)+x1*1.); 4052bfb9bbSJeremy L Thompson grad[(i+Q)*P+1] = -4.*(x1*1.); 4152bfb9bbSJeremy L Thompson grad[(i+0)*P+2] = 2.*(1.*(x1-1./2.)+x1*1.); 4252bfb9bbSJeremy L Thompson grad[(i+Q)*P+2] = 2.*0.; 4352bfb9bbSJeremy L Thompson grad[(i+0)*P+3] = -4.*(x2*1.); 4452bfb9bbSJeremy L Thompson grad[(i+Q)*P+3] = -4.*(1.*(x1+x2-1.)+x2*1.); 4552bfb9bbSJeremy L Thompson grad[(i+0)*P+4] = 4.*(1.*x2); 4652bfb9bbSJeremy L Thompson grad[(i+Q)*P+4] = 4.*(x1*1.); 4752bfb9bbSJeremy L Thompson grad[(i+0)*P+5] = 2.*0.; 4852bfb9bbSJeremy L Thompson grad[(i+Q)*P+5] = 2.*(1.*(x2-1./2.)+x2*1.); 4952bfb9bbSJeremy L Thompson } 5052bfb9bbSJeremy L Thompson } 51