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							509 lines
						
					
					
						
							17 KiB
						
					
					
				
								// This file is part of Eigen, a lightweight C++ template library
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								// for linear algebra.
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								//
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								// Copyright (C) 2008-2011 Gael Guennebaud <gael.guennebaud@inria.fr>
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								// Copyright (C) 2008 Daniel Gomez Ferro <dgomezferro@gmail.com>
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								// Copyright (C) 2013 Désiré Nuentsa-Wakam <desire.nuentsa_wakam@inria.fr>
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								//
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								// This Source Code Form is subject to the terms of the Mozilla
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								// Public License v. 2.0. If a copy of the MPL was not distributed
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								// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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								#include "sparse.h"
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								template<typename SparseMatrixType> void sparse_basic(const SparseMatrixType& ref)
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								{
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								  typedef typename SparseMatrixType::Index Index;
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								  typedef Matrix<Index,2,1> Vector2;
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								  const Index rows = ref.rows();
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								  const Index cols = ref.cols();
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								  typedef typename SparseMatrixType::Scalar Scalar;
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								  enum { Flags = SparseMatrixType::Flags };
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								  double density = (std::max)(8./(rows*cols), 0.01);
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								  typedef Matrix<Scalar,Dynamic,Dynamic> DenseMatrix;
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								  typedef Matrix<Scalar,Dynamic,1> DenseVector;
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								  Scalar eps = 1e-6;
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								  Scalar s1 = internal::random<Scalar>();
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								  {
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								    SparseMatrixType m(rows, cols);
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								    DenseMatrix refMat = DenseMatrix::Zero(rows, cols);
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								    DenseVector vec1 = DenseVector::Random(rows);
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								    std::vector<Vector2> zeroCoords;
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								    std::vector<Vector2> nonzeroCoords;
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								    initSparse<Scalar>(density, refMat, m, 0, &zeroCoords, &nonzeroCoords);
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								    if (zeroCoords.size()==0 || nonzeroCoords.size()==0)
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								      return;
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								    // test coeff and coeffRef
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								    for (int i=0; i<(int)zeroCoords.size(); ++i)
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								    {
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								      VERIFY_IS_MUCH_SMALLER_THAN( m.coeff(zeroCoords[i].x(),zeroCoords[i].y()), eps );
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								      if(internal::is_same<SparseMatrixType,SparseMatrix<Scalar,Flags> >::value)
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								        VERIFY_RAISES_ASSERT( m.coeffRef(zeroCoords[0].x(),zeroCoords[0].y()) = 5 );
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								    }
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								    VERIFY_IS_APPROX(m, refMat);
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								    m.coeffRef(nonzeroCoords[0].x(), nonzeroCoords[0].y()) = Scalar(5);
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								    refMat.coeffRef(nonzeroCoords[0].x(), nonzeroCoords[0].y()) = Scalar(5);
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								    VERIFY_IS_APPROX(m, refMat);
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								      /*
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								      // test InnerIterators and Block expressions
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								      for (int t=0; t<10; ++t)
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								      {
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								        int j = internal::random<int>(0,cols-1);
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								        int i = internal::random<int>(0,rows-1);
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								        int w = internal::random<int>(1,cols-j-1);
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								        int h = internal::random<int>(1,rows-i-1);
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								    //     VERIFY_IS_APPROX(m.block(i,j,h,w), refMat.block(i,j,h,w));
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								        for(int c=0; c<w; c++)
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								        {
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								          VERIFY_IS_APPROX(m.block(i,j,h,w).col(c), refMat.block(i,j,h,w).col(c));
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								          for(int r=0; r<h; r++)
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								          {
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								    //         VERIFY_IS_APPROX(m.block(i,j,h,w).col(c).coeff(r), refMat.block(i,j,h,w).col(c).coeff(r));
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								          }
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								        }
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								    //     for(int r=0; r<h; r++)
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								    //     {
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								    //       VERIFY_IS_APPROX(m.block(i,j,h,w).row(r), refMat.block(i,j,h,w).row(r));
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								    //       for(int c=0; c<w; c++)
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								    //       {
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								    //         VERIFY_IS_APPROX(m.block(i,j,h,w).row(r).coeff(c), refMat.block(i,j,h,w).row(r).coeff(c));
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								    //       }
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								    //     }
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								      }
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								      for(int c=0; c<cols; c++)
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								      {
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								        VERIFY_IS_APPROX(m.col(c) + m.col(c), (m + m).col(c));
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								        VERIFY_IS_APPROX(m.col(c) + m.col(c), refMat.col(c) + refMat.col(c));
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								      }
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								      for(int r=0; r<rows; r++)
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								      {
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								        VERIFY_IS_APPROX(m.row(r) + m.row(r), (m + m).row(r));
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								        VERIFY_IS_APPROX(m.row(r) + m.row(r), refMat.row(r) + refMat.row(r));
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								      }
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								      */
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								      // test assertion
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								      VERIFY_RAISES_ASSERT( m.coeffRef(-1,1) = 0 );
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								      VERIFY_RAISES_ASSERT( m.coeffRef(0,m.cols()) = 0 );
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								    }
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								    // test insert (inner random)
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								    {
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								      DenseMatrix m1(rows,cols);
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								      m1.setZero();
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								      SparseMatrixType m2(rows,cols);
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								      if(internal::random<int>()%2)
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								        m2.reserve(VectorXi::Constant(m2.outerSize(), 2));
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								      for (Index j=0; j<cols; ++j)
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								      {
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								        for (Index k=0; k<rows/2; ++k)
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								        {
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								          Index i = internal::random<Index>(0,rows-1);
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								          if (m1.coeff(i,j)==Scalar(0))
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								            m2.insert(i,j) = m1(i,j) = internal::random<Scalar>();
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								        }
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								      }
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								      m2.finalize();
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								      VERIFY_IS_APPROX(m2,m1);
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								    }
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								    // test insert (fully random)
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								    {
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								      DenseMatrix m1(rows,cols);
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								      m1.setZero();
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								      SparseMatrixType m2(rows,cols);
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								      if(internal::random<int>()%2)
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								        m2.reserve(VectorXi::Constant(m2.outerSize(), 2));
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								      for (int k=0; k<rows*cols; ++k)
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								      {
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								        Index i = internal::random<Index>(0,rows-1);
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								        Index j = internal::random<Index>(0,cols-1);
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								        if ((m1.coeff(i,j)==Scalar(0)) && (internal::random<int>()%2))
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								          m2.insert(i,j) = m1(i,j) = internal::random<Scalar>();
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								        else
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								        {
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								          Scalar v = internal::random<Scalar>();
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								          m2.coeffRef(i,j) += v;
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								          m1(i,j) += v;
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								        }
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								      }
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								      VERIFY_IS_APPROX(m2,m1);
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								    }
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								    // test insert (un-compressed)
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								    for(int mode=0;mode<4;++mode)
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								    {
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								      DenseMatrix m1(rows,cols);
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								      m1.setZero();
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								      SparseMatrixType m2(rows,cols);
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								      VectorXi r(VectorXi::Constant(m2.outerSize(), ((mode%2)==0) ? m2.innerSize() : std::max<int>(1,m2.innerSize()/8)));
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								      m2.reserve(r);
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								      for (int k=0; k<rows*cols; ++k)
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								      {
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								        Index i = internal::random<Index>(0,rows-1);
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								        Index j = internal::random<Index>(0,cols-1);
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								        if (m1.coeff(i,j)==Scalar(0))
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								          m2.insert(i,j) = m1(i,j) = internal::random<Scalar>();
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								        if(mode==3)
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								          m2.reserve(r);
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								      }
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								      if(internal::random<int>()%2)
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								        m2.makeCompressed();
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								      VERIFY_IS_APPROX(m2,m1);
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								    }
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								  // test innerVector()
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								  {
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								    DenseMatrix refMat2 = DenseMatrix::Zero(rows, rows);
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								    SparseMatrixType m2(rows, rows);
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								    initSparse<Scalar>(density, refMat2, m2);
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								    Index j0 = internal::random<Index>(0,rows-1);
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								    Index j1 = internal::random<Index>(0,rows-1);
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								    if(SparseMatrixType::IsRowMajor)
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								      VERIFY_IS_APPROX(m2.innerVector(j0), refMat2.row(j0));
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								    else
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								      VERIFY_IS_APPROX(m2.innerVector(j0), refMat2.col(j0));
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								    if(SparseMatrixType::IsRowMajor)
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								      VERIFY_IS_APPROX(m2.innerVector(j0)+m2.innerVector(j1), refMat2.row(j0)+refMat2.row(j1));
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								    else
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								      VERIFY_IS_APPROX(m2.innerVector(j0)+m2.innerVector(j1), refMat2.col(j0)+refMat2.col(j1));
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								    SparseMatrixType m3(rows,rows);
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								    m3.reserve(VectorXi::Constant(rows,rows/2));
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								    for(Index j=0; j<rows; ++j)
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								      for(Index k=0; k<j; ++k)
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								        m3.insertByOuterInner(j,k) = k+1;
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								    for(Index j=0; j<rows; ++j)
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								    {
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								      VERIFY(j==numext::real(m3.innerVector(j).nonZeros()));
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								      if(j>0)
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								        VERIFY(j==numext::real(m3.innerVector(j).lastCoeff()));
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								    }
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								    m3.makeCompressed();
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								    for(Index j=0; j<rows; ++j)
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								    {
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								      VERIFY(j==numext::real(m3.innerVector(j).nonZeros()));
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								      if(j>0)
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								        VERIFY(j==numext::real(m3.innerVector(j).lastCoeff()));
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								    }
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								    //m2.innerVector(j0) = 2*m2.innerVector(j1);
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								    //refMat2.col(j0) = 2*refMat2.col(j1);
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								    //VERIFY_IS_APPROX(m2, refMat2);
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								  }
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								  // test innerVectors()
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								  {
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								    DenseMatrix refMat2 = DenseMatrix::Zero(rows, rows);
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								    SparseMatrixType m2(rows, rows);
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								    initSparse<Scalar>(density, refMat2, m2);
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								    if(internal::random<float>(0,1)>0.5) m2.makeCompressed();
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								    Index j0 = internal::random<Index>(0,rows-2);
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								    Index j1 = internal::random<Index>(0,rows-2);
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								    Index n0 = internal::random<Index>(1,rows-(std::max)(j0,j1));
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								    if(SparseMatrixType::IsRowMajor)
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								      VERIFY_IS_APPROX(m2.innerVectors(j0,n0), refMat2.block(j0,0,n0,cols));
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								    else
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								      VERIFY_IS_APPROX(m2.innerVectors(j0,n0), refMat2.block(0,j0,rows,n0));
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								    if(SparseMatrixType::IsRowMajor)
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								      VERIFY_IS_APPROX(m2.innerVectors(j0,n0)+m2.innerVectors(j1,n0),
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								                       refMat2.middleRows(j0,n0)+refMat2.middleRows(j1,n0));
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								    else
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								      VERIFY_IS_APPROX(m2.innerVectors(j0,n0)+m2.innerVectors(j1,n0),
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								                      refMat2.block(0,j0,rows,n0)+refMat2.block(0,j1,rows,n0));
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								    VERIFY_IS_APPROX(m2, refMat2);
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								    m2.innerVectors(j0,n0) = m2.innerVectors(j0,n0) + m2.innerVectors(j1,n0);
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								    if(SparseMatrixType::IsRowMajor)
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								      refMat2.middleRows(j0,n0) = (refMat2.middleRows(j0,n0) + refMat2.middleRows(j1,n0)).eval();
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								    else
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								      refMat2.middleCols(j0,n0) = (refMat2.middleCols(j0,n0) + refMat2.middleCols(j1,n0)).eval();
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								    VERIFY_IS_APPROX(m2, refMat2);
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								  }
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								  // test basic computations
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								  {
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								    DenseMatrix refM1 = DenseMatrix::Zero(rows, rows);
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								    DenseMatrix refM2 = DenseMatrix::Zero(rows, rows);
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								    DenseMatrix refM3 = DenseMatrix::Zero(rows, rows);
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								    DenseMatrix refM4 = DenseMatrix::Zero(rows, rows);
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								    SparseMatrixType m1(rows, rows);
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								    SparseMatrixType m2(rows, rows);
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								    SparseMatrixType m3(rows, rows);
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								    SparseMatrixType m4(rows, rows);
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								    initSparse<Scalar>(density, refM1, m1);
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								    initSparse<Scalar>(density, refM2, m2);
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								    initSparse<Scalar>(density, refM3, m3);
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								    initSparse<Scalar>(density, refM4, m4);
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								    VERIFY_IS_APPROX(m1+m2, refM1+refM2);
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								    VERIFY_IS_APPROX(m1+m2+m3, refM1+refM2+refM3);
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								    VERIFY_IS_APPROX(m3.cwiseProduct(m1+m2), refM3.cwiseProduct(refM1+refM2));
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								    VERIFY_IS_APPROX(m1*s1-m2, refM1*s1-refM2);
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								    VERIFY_IS_APPROX(m1*=s1, refM1*=s1);
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								    VERIFY_IS_APPROX(m1/=s1, refM1/=s1);
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								    VERIFY_IS_APPROX(m1+=m2, refM1+=refM2);
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								    VERIFY_IS_APPROX(m1-=m2, refM1-=refM2);
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						|
								
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								    if(SparseMatrixType::IsRowMajor)
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								      VERIFY_IS_APPROX(m1.innerVector(0).dot(refM2.row(0)), refM1.row(0).dot(refM2.row(0)));
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								    else
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								      VERIFY_IS_APPROX(m1.innerVector(0).dot(refM2.row(0)), refM1.col(0).dot(refM2.row(0)));
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						|
								
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								    VERIFY_IS_APPROX(m1.conjugate(), refM1.conjugate());
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								    VERIFY_IS_APPROX(m1.real(), refM1.real());
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						|
								
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								    refM4.setRandom();
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								    // sparse cwise* dense
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								    VERIFY_IS_APPROX(m3.cwiseProduct(refM4), refM3.cwiseProduct(refM4));
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								//     VERIFY_IS_APPROX(m3.cwise()/refM4, refM3.cwise()/refM4);
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						|
								
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								    // test aliasing
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								    VERIFY_IS_APPROX((m1 = -m1), (refM1 = -refM1));
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								    VERIFY_IS_APPROX((m1 = m1.transpose()), (refM1 = refM1.transpose().eval()));
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								    VERIFY_IS_APPROX((m1 = -m1.transpose()), (refM1 = -refM1.transpose().eval()));
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								    VERIFY_IS_APPROX((m1 += -m1), (refM1 += -refM1));
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								  }
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						|
								
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								  // test transpose
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								  {
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								    DenseMatrix refMat2 = DenseMatrix::Zero(rows, rows);
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								    SparseMatrixType m2(rows, rows);
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								    initSparse<Scalar>(density, refMat2, m2);
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								    VERIFY_IS_APPROX(m2.transpose().eval(), refMat2.transpose().eval());
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								    VERIFY_IS_APPROX(m2.transpose(), refMat2.transpose());
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						|
								
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								    VERIFY_IS_APPROX(SparseMatrixType(m2.adjoint()), refMat2.adjoint());
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								  }
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						|
								
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						|
								  
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						|
								  
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								  // test generic blocks
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								  {
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								    DenseMatrix refMat2 = DenseMatrix::Zero(rows, rows);
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								    SparseMatrixType m2(rows, rows);
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								    initSparse<Scalar>(density, refMat2, m2);
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								    Index j0 = internal::random<Index>(0,rows-2);
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								    Index j1 = internal::random<Index>(0,rows-2);
							 | 
						|
								    Index n0 = internal::random<Index>(1,rows-(std::max)(j0,j1));
							 | 
						|
								    if(SparseMatrixType::IsRowMajor)
							 | 
						|
								      VERIFY_IS_APPROX(m2.block(j0,0,n0,cols), refMat2.block(j0,0,n0,cols));
							 | 
						|
								    else
							 | 
						|
								      VERIFY_IS_APPROX(m2.block(0,j0,rows,n0), refMat2.block(0,j0,rows,n0));
							 | 
						|
								    
							 | 
						|
								    if(SparseMatrixType::IsRowMajor)
							 | 
						|
								      VERIFY_IS_APPROX(m2.block(j0,0,n0,cols)+m2.block(j1,0,n0,cols),
							 | 
						|
								                      refMat2.block(j0,0,n0,cols)+refMat2.block(j1,0,n0,cols));
							 | 
						|
								    else
							 | 
						|
								      VERIFY_IS_APPROX(m2.block(0,j0,rows,n0)+m2.block(0,j1,rows,n0),
							 | 
						|
								                      refMat2.block(0,j0,rows,n0)+refMat2.block(0,j1,rows,n0));
							 | 
						|
								      
							 | 
						|
								    Index i = internal::random<Index>(0,m2.outerSize()-1);
							 | 
						|
								    if(SparseMatrixType::IsRowMajor) {
							 | 
						|
								      m2.innerVector(i) = m2.innerVector(i) * s1;
							 | 
						|
								      refMat2.row(i) = refMat2.row(i) * s1;
							 | 
						|
								      VERIFY_IS_APPROX(m2,refMat2);
							 | 
						|
								    } else {
							 | 
						|
								      m2.innerVector(i) = m2.innerVector(i) * s1;
							 | 
						|
								      refMat2.col(i) = refMat2.col(i) * s1;
							 | 
						|
								      VERIFY_IS_APPROX(m2,refMat2);
							 | 
						|
								    }
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  // test prune
							 | 
						|
								  {
							 | 
						|
								    SparseMatrixType m2(rows, rows);
							 | 
						|
								    DenseMatrix refM2(rows, rows);
							 | 
						|
								    refM2.setZero();
							 | 
						|
								    int countFalseNonZero = 0;
							 | 
						|
								    int countTrueNonZero = 0;
							 | 
						|
								    for (Index j=0; j<m2.outerSize(); ++j)
							 | 
						|
								    {
							 | 
						|
								      m2.startVec(j);
							 | 
						|
								      for (Index i=0; i<m2.innerSize(); ++i)
							 | 
						|
								      {
							 | 
						|
								        float x = internal::random<float>(0,1);
							 | 
						|
								        if (x<0.1)
							 | 
						|
								        {
							 | 
						|
								          // do nothing
							 | 
						|
								        }
							 | 
						|
								        else if (x<0.5)
							 | 
						|
								        {
							 | 
						|
								          countFalseNonZero++;
							 | 
						|
								          m2.insertBackByOuterInner(j,i) = Scalar(0);
							 | 
						|
								        }
							 | 
						|
								        else
							 | 
						|
								        {
							 | 
						|
								          countTrueNonZero++;
							 | 
						|
								          m2.insertBackByOuterInner(j,i) = Scalar(1);
							 | 
						|
								          if(SparseMatrixType::IsRowMajor)
							 | 
						|
								            refM2(j,i) = Scalar(1);
							 | 
						|
								          else
							 | 
						|
								            refM2(i,j) = Scalar(1);
							 | 
						|
								        }
							 | 
						|
								      }
							 | 
						|
								    }
							 | 
						|
								    m2.finalize();
							 | 
						|
								    VERIFY(countFalseNonZero+countTrueNonZero == m2.nonZeros());
							 | 
						|
								    VERIFY_IS_APPROX(m2, refM2);
							 | 
						|
								    m2.prune(Scalar(1));
							 | 
						|
								    VERIFY(countTrueNonZero==m2.nonZeros());
							 | 
						|
								    VERIFY_IS_APPROX(m2, refM2);
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  // test setFromTriplets
							 | 
						|
								  {
							 | 
						|
								    typedef Triplet<Scalar,Index> TripletType;
							 | 
						|
								    std::vector<TripletType> triplets;
							 | 
						|
								    int ntriplets = rows*cols;
							 | 
						|
								    triplets.reserve(ntriplets);
							 | 
						|
								    DenseMatrix refMat(rows,cols);
							 | 
						|
								    refMat.setZero();
							 | 
						|
								    for(int i=0;i<ntriplets;++i)
							 | 
						|
								    {
							 | 
						|
								      Index r = internal::random<Index>(0,rows-1);
							 | 
						|
								      Index c = internal::random<Index>(0,cols-1);
							 | 
						|
								      Scalar v = internal::random<Scalar>();
							 | 
						|
								      triplets.push_back(TripletType(r,c,v));
							 | 
						|
								      refMat(r,c) += v;
							 | 
						|
								    }
							 | 
						|
								    SparseMatrixType m(rows,cols);
							 | 
						|
								    m.setFromTriplets(triplets.begin(), triplets.end());
							 | 
						|
								    VERIFY_IS_APPROX(m, refMat);
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  // test triangularView
							 | 
						|
								  {
							 | 
						|
								    DenseMatrix refMat2(rows, rows), refMat3(rows, rows);
							 | 
						|
								    SparseMatrixType m2(rows, rows), m3(rows, rows);
							 | 
						|
								    initSparse<Scalar>(density, refMat2, m2);
							 | 
						|
								    refMat3 = refMat2.template triangularView<Lower>();
							 | 
						|
								    m3 = m2.template triangularView<Lower>();
							 | 
						|
								    VERIFY_IS_APPROX(m3, refMat3);
							 | 
						|
								
							 | 
						|
								    refMat3 = refMat2.template triangularView<Upper>();
							 | 
						|
								    m3 = m2.template triangularView<Upper>();
							 | 
						|
								    VERIFY_IS_APPROX(m3, refMat3);
							 | 
						|
								
							 | 
						|
								    refMat3 = refMat2.template triangularView<UnitUpper>();
							 | 
						|
								    m3 = m2.template triangularView<UnitUpper>();
							 | 
						|
								    VERIFY_IS_APPROX(m3, refMat3);
							 | 
						|
								
							 | 
						|
								    refMat3 = refMat2.template triangularView<UnitLower>();
							 | 
						|
								    m3 = m2.template triangularView<UnitLower>();
							 | 
						|
								    VERIFY_IS_APPROX(m3, refMat3);
							 | 
						|
								
							 | 
						|
								    refMat3 = refMat2.template triangularView<StrictlyUpper>();
							 | 
						|
								    m3 = m2.template triangularView<StrictlyUpper>();
							 | 
						|
								    VERIFY_IS_APPROX(m3, refMat3);
							 | 
						|
								
							 | 
						|
								    refMat3 = refMat2.template triangularView<StrictlyLower>();
							 | 
						|
								    m3 = m2.template triangularView<StrictlyLower>();
							 | 
						|
								    VERIFY_IS_APPROX(m3, refMat3);
							 | 
						|
								  }
							 | 
						|
								  
							 | 
						|
								  // test selfadjointView
							 | 
						|
								  if(!SparseMatrixType::IsRowMajor)
							 | 
						|
								  {
							 | 
						|
								    DenseMatrix refMat2(rows, rows), refMat3(rows, rows);
							 | 
						|
								    SparseMatrixType m2(rows, rows), m3(rows, rows);
							 | 
						|
								    initSparse<Scalar>(density, refMat2, m2);
							 | 
						|
								    refMat3 = refMat2.template selfadjointView<Lower>();
							 | 
						|
								    m3 = m2.template selfadjointView<Lower>();
							 | 
						|
								    VERIFY_IS_APPROX(m3, refMat3);
							 | 
						|
								  }
							 | 
						|
								  
							 | 
						|
								  // test sparseView
							 | 
						|
								  {
							 | 
						|
								    DenseMatrix refMat2 = DenseMatrix::Zero(rows, rows);
							 | 
						|
								    SparseMatrixType m2(rows, rows);
							 | 
						|
								    initSparse<Scalar>(density, refMat2, m2);
							 | 
						|
								    VERIFY_IS_APPROX(m2.eval(), refMat2.sparseView().eval());
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  // test diagonal
							 | 
						|
								  {
							 | 
						|
								    DenseMatrix refMat2 = DenseMatrix::Zero(rows, rows);
							 | 
						|
								    SparseMatrixType m2(rows, rows);
							 | 
						|
								    initSparse<Scalar>(density, refMat2, m2);
							 | 
						|
								    VERIFY_IS_APPROX(m2.diagonal(), refMat2.diagonal().eval());
							 | 
						|
								  }
							 | 
						|
								  
							 | 
						|
								  // test conservative resize
							 | 
						|
								  {
							 | 
						|
								      std::vector< std::pair<Index,Index> > inc;
							 | 
						|
								      inc.push_back(std::pair<Index,Index>(-3,-2));
							 | 
						|
								      inc.push_back(std::pair<Index,Index>(0,0));
							 | 
						|
								      inc.push_back(std::pair<Index,Index>(3,2));
							 | 
						|
								      inc.push_back(std::pair<Index,Index>(3,0));
							 | 
						|
								      inc.push_back(std::pair<Index,Index>(0,3));
							 | 
						|
								      
							 | 
						|
								      for(size_t i = 0; i< inc.size(); i++) {
							 | 
						|
								        Index incRows = inc[i].first;
							 | 
						|
								        Index incCols = inc[i].second;
							 | 
						|
								        SparseMatrixType m1(rows, cols);
							 | 
						|
								        DenseMatrix refMat1 = DenseMatrix::Zero(rows, cols);
							 | 
						|
								        initSparse<Scalar>(density, refMat1, m1);
							 | 
						|
								        
							 | 
						|
								        m1.conservativeResize(rows+incRows, cols+incCols);
							 | 
						|
								        refMat1.conservativeResize(rows+incRows, cols+incCols);
							 | 
						|
								        if (incRows > 0) refMat1.bottomRows(incRows).setZero();
							 | 
						|
								        if (incCols > 0) refMat1.rightCols(incCols).setZero();
							 | 
						|
								        
							 | 
						|
								        VERIFY_IS_APPROX(m1, refMat1);
							 | 
						|
								        
							 | 
						|
								        // Insert new values
							 | 
						|
								        if (incRows > 0) 
							 | 
						|
								          m1.insert(m1.rows()-1, 0) = refMat1(refMat1.rows()-1, 0) = 1;
							 | 
						|
								        if (incCols > 0) 
							 | 
						|
								          m1.insert(0, m1.cols()-1) = refMat1(0, refMat1.cols()-1) = 1;
							 | 
						|
								          
							 | 
						|
								        VERIFY_IS_APPROX(m1, refMat1);
							 | 
						|
								          
							 | 
						|
								          
							 | 
						|
								      }
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  // test Identity matrix
							 | 
						|
								  {
							 | 
						|
								    DenseMatrix refMat1 = DenseMatrix::Identity(rows, rows);
							 | 
						|
								    SparseMatrixType m1(rows, rows);
							 | 
						|
								    m1.setIdentity();
							 | 
						|
								    VERIFY_IS_APPROX(m1, refMat1);
							 | 
						|
								  }
							 | 
						|
								}
							 | 
						|
								
							 | 
						|
								void test_sparse_basic()
							 | 
						|
								{
							 | 
						|
								  for(int i = 0; i < g_repeat; i++) {
							 | 
						|
								    int s = Eigen::internal::random<int>(1,50);
							 | 
						|
								    EIGEN_UNUSED_VARIABLE(s);
							 | 
						|
								    CALL_SUBTEST_1(( sparse_basic(SparseMatrix<double>(8, 8)) ));
							 | 
						|
								    CALL_SUBTEST_2(( sparse_basic(SparseMatrix<std::complex<double>, ColMajor>(s, s)) ));
							 | 
						|
								    CALL_SUBTEST_2(( sparse_basic(SparseMatrix<std::complex<double>, RowMajor>(s, s)) ));
							 | 
						|
								    CALL_SUBTEST_1(( sparse_basic(SparseMatrix<double>(s, s)) ));
							 | 
						|
								    CALL_SUBTEST_1(( sparse_basic(SparseMatrix<double,ColMajor,long int>(s, s)) ));
							 | 
						|
								    CALL_SUBTEST_1(( sparse_basic(SparseMatrix<double,RowMajor,long int>(s, s)) ));
							 | 
						|
								    
							 | 
						|
								    CALL_SUBTEST_1(( sparse_basic(SparseMatrix<double,ColMajor,short int>(short(s), short(s))) ));
							 | 
						|
								    CALL_SUBTEST_1(( sparse_basic(SparseMatrix<double,RowMajor,short int>(short(s), short(s))) ));
							 | 
						|
								  }
							 | 
						|
								}
							 |