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@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>
test_random_setter(SparseMatrix<Scalar,Options> & sm,const DenseType & ref,const std::vector<Vector2i> & nonzeroCoords)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>
test_random_setter(DynamicSparseMatrix<T> & sm,const DenseType & ref,const std::vector<Vector2i> & nonzeroCoords)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
sparse_extra(const SparseMatrixType & ref)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
test_sparse_extra()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