1 // This file is part of libigl, a simple c++ geometry processing library. 2 // 3 // Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com> 4 // 5 // This Source Code Form is subject to the terms of the Mozilla Public License 6 // v. 2.0. If a copy of the MPL was not distributed with this file, You can 7 // obtain one at http://mozilla.org/MPL/2.0/. 8 #include "column_to_quats.h" column_to_quats(const Eigen::VectorXd & Q,std::vector<Eigen::Quaterniond,Eigen::aligned_allocator<Eigen::Quaterniond>> & vQ)9IGL_INLINE bool igl::column_to_quats( 10 const Eigen::VectorXd & Q, 11 std::vector< 12 Eigen::Quaterniond,Eigen::aligned_allocator<Eigen::Quaterniond> > & vQ) 13 { 14 using namespace Eigen; 15 if(Q.size() % 4 != 0) 16 { 17 return false; 18 } 19 const int nQ = Q.size()/4; 20 vQ.resize(nQ); 21 for(int q=0;q<nQ;q++) 22 { 23 // Constructor uses wxyz 24 vQ[q] = Quaterniond( Q(q*4+3), Q(q*4+0), Q(q*4+1), Q(q*4+2)); 25 } 26 return true; 27 } 28