41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
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// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#include "print_ijv.h"
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#include "find.h"
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#include <iostream>
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template <typename T>
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IGL_INLINE void igl::print_ijv(
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const Eigen::SparseMatrix<T>& X,
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const int offset)
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{
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Eigen::Matrix<int,Eigen::Dynamic,1> I;
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Eigen::Matrix<int,Eigen::Dynamic,1> J;
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Eigen::Matrix<T,Eigen::Dynamic,1> V;
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igl::find(X,I,J,V);
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// Concatenate I,J,V
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Eigen::Matrix<T,Eigen::Dynamic,Eigen::Dynamic> IJV(I.size(),3);
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IJV.col(0) = I.cast<T>();
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IJV.col(1) = J.cast<T>();
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IJV.col(2) = V;
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// Offset
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if(offset != 0)
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{
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IJV.col(0).array() += offset;
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IJV.col(1).array() += offset;
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}
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std::cout<<IJV;
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}
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#ifdef IGL_STATIC_LIBRARY
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// Explicit template instantiation
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// generated by autoexplicit.sh
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template void igl::print_ijv<double>(Eigen::SparseMatrix<double, 0, int> const&, int);
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#endif
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