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      1 // This file is part of Eigen, a lightweight C++ template library
      2 // for linear algebra.
      3 //
      4 // Copyright (C) 2008-2010 Gael Guennebaud <g.gael (at) free.fr>
      5 //
      6 // This Source Code Form is subject to the terms of the Mozilla
      7 // Public License v. 2.0. If a copy of the MPL was not distributed
      8 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
      9 
     10 
     11 // import basic and product tests for deprectaed DynamicSparseMatrix
     12 #define EIGEN_NO_DEPRECATED_WARNING
     13 #include "sparse_basic.cpp"
     14 #include "sparse_product.cpp"
     15 #include <Eigen/SparseExtra>
     16 
     17 template<typename SetterType,typename DenseType, typename Scalar, int Options>
     18 bool test_random_setter(SparseMatrix<Scalar,Options>& sm, const DenseType& ref, const std::vector<Vector2i>& nonzeroCoords)
     19 {
     20   {
     21     sm.setZero();
     22     SetterType w(sm);
     23     std::vector<Vector2i> remaining = nonzeroCoords;
     24     while(!remaining.empty())
     25     {
     26       int i = internal::random<int>(0,static_cast<int>(remaining.size())-1);
     27       w(remaining[i].x(),remaining[i].y()) = ref.coeff(remaining[i].x(),remaining[i].y());
     28       remaining[i] = remaining.back();
     29       remaining.pop_back();
     30     }
     31   }
     32   return sm.isApprox(ref);
     33 }
     34 
     35 template<typename SetterType,typename DenseType, typename T>
     36 bool test_random_setter(DynamicSparseMatrix<T>& sm, const DenseType& ref, const std::vector<Vector2i>& nonzeroCoords)
     37 {
     38   sm.setZero();
     39   std::vector<Vector2i> remaining = nonzeroCoords;
     40   while(!remaining.empty())
     41   {
     42     int i = internal::random<int>(0,static_cast<int>(remaining.size())-1);
     43     sm.coeffRef(remaining[i].x(),remaining[i].y()) = ref.coeff(remaining[i].x(),remaining[i].y());
     44     remaining[i] = remaining.back();
     45     remaining.pop_back();
     46   }
     47   return sm.isApprox(ref);
     48 }
     49 
     50 template<typename SparseMatrixType> void sparse_extra(const SparseMatrixType& ref)
     51 {
     52   const Index rows = ref.rows();
     53   const Index cols = ref.cols();
     54   typedef typename SparseMatrixType::Scalar Scalar;
     55   enum { Flags = SparseMatrixType::Flags };
     56 
     57   double density = (std::max)(8./(rows*cols), 0.01);
     58   typedef Matrix<Scalar,Dynamic,Dynamic> DenseMatrix;
     59   typedef Matrix<Scalar,Dynamic,1> DenseVector;
     60   Scalar eps = 1e-6;
     61 
     62   SparseMatrixType m(rows, cols);
     63   DenseMatrix refMat = DenseMatrix::Zero(rows, cols);
     64   DenseVector vec1 = DenseVector::Random(rows);
     65 
     66   std::vector<Vector2i> zeroCoords;
     67   std::vector<Vector2i> nonzeroCoords;
     68   initSparse<Scalar>(density, refMat, m, 0, &zeroCoords, &nonzeroCoords);
     69 
     70   if (zeroCoords.size()==0 || nonzeroCoords.size()==0)
     71     return;
     72 
     73   // test coeff and coeffRef
     74   for (int i=0; i<(int)zeroCoords.size(); ++i)
     75   {
     76     VERIFY_IS_MUCH_SMALLER_THAN( m.coeff(zeroCoords[i].x(),zeroCoords[i].y()), eps );
     77     if(internal::is_same<SparseMatrixType,SparseMatrix<Scalar,Flags> >::value)
     78       VERIFY_RAISES_ASSERT( m.coeffRef(zeroCoords[0].x(),zeroCoords[0].y()) = 5 );
     79   }
     80   VERIFY_IS_APPROX(m, refMat);
     81 
     82   m.coeffRef(nonzeroCoords[0].x(), nonzeroCoords[0].y()) = Scalar(5);
     83   refMat.coeffRef(nonzeroCoords[0].x(), nonzeroCoords[0].y()) = Scalar(5);
     84 
     85   VERIFY_IS_APPROX(m, refMat);
     86 
     87   // random setter
     88 //   {
     89 //     m.setZero();
     90 //     VERIFY_IS_NOT_APPROX(m, refMat);
     91 //     SparseSetter<SparseMatrixType, RandomAccessPattern> w(m);
     92 //     std::vector<Vector2i> remaining = nonzeroCoords;
     93 //     while(!remaining.empty())
     94 //     {
     95 //       int i = internal::random<int>(0,remaining.size()-1);
     96 //       w->coeffRef(remaining[i].x(),remaining[i].y()) = refMat.coeff(remaining[i].x(),remaining[i].y());
     97 //       remaining[i] = remaining.back();
     98 //       remaining.pop_back();
     99 //     }
    100 //   }
    101 //   VERIFY_IS_APPROX(m, refMat);
    102 
    103     VERIFY(( test_random_setter<RandomSetter<SparseMatrixType, StdMapTraits> >(m,refMat,nonzeroCoords) ));
    104     #ifdef EIGEN_UNORDERED_MAP_SUPPORT
    105     VERIFY(( test_random_setter<RandomSetter<SparseMatrixType, StdUnorderedMapTraits> >(m,refMat,nonzeroCoords) ));
    106     #endif
    107     #ifdef _DENSE_HASH_MAP_H_
    108     VERIFY(( test_random_setter<RandomSetter<SparseMatrixType, GoogleDenseHashMapTraits> >(m,refMat,nonzeroCoords) ));
    109     #endif
    110     #ifdef _SPARSE_HASH_MAP_H_
    111     VERIFY(( test_random_setter<RandomSetter<SparseMatrixType, GoogleSparseHashMapTraits> >(m,refMat,nonzeroCoords) ));
    112     #endif
    113 
    114 
    115   // test RandomSetter
    116   /*{
    117     SparseMatrixType m1(rows,cols), m2(rows,cols);
    118     DenseMatrix refM1 = DenseMatrix::Zero(rows, rows);
    119     initSparse<Scalar>(density, refM1, m1);
    120     {
    121       Eigen::RandomSetter<SparseMatrixType > setter(m2);
    122       for (int j=0; j<m1.outerSize(); ++j)
    123         for (typename SparseMatrixType::InnerIterator i(m1,j); i; ++i)
    124           setter(i.index(), j) = i.value();
    125     }
    126     VERIFY_IS_APPROX(m1, m2);
    127   }*/
    128 
    129 
    130 }
    131 
    132 void test_sparse_extra()
    133 {
    134   for(int i = 0; i < g_repeat; i++) {
    135     int s = Eigen::internal::random<int>(1,50);
    136     CALL_SUBTEST_1( sparse_extra(SparseMatrix<double>(8, 8)) );
    137     CALL_SUBTEST_2( sparse_extra(SparseMatrix<std::complex<double> >(s, s)) );
    138     CALL_SUBTEST_1( sparse_extra(SparseMatrix<double>(s, s)) );
    139 
    140     CALL_SUBTEST_3( sparse_extra(DynamicSparseMatrix<double>(s, s)) );
    141 //    CALL_SUBTEST_3(( sparse_basic(DynamicSparseMatrix<double>(s, s)) ));
    142 //    CALL_SUBTEST_3(( sparse_basic(DynamicSparseMatrix<double,ColMajor,long int>(s, s)) ));
    143 
    144     CALL_SUBTEST_3( (sparse_product<DynamicSparseMatrix<float, ColMajor> >()) );
    145     CALL_SUBTEST_3( (sparse_product<DynamicSparseMatrix<float, RowMajor> >()) );
    146   }
    147 }
    148