aboutsummaryrefslogtreecommitdiffhomepage
path: root/unsupported/test/sparse_extra.cpp
diff options
context:
space:
mode:
authorGravatar Gael Guennebaud <g.gael@free.fr>2010-06-18 11:36:30 +0200
committerGravatar Gael Guennebaud <g.gael@free.fr>2010-06-18 11:36:30 +0200
commit729960e4656ab9f61e523a3908edf5474b04638d (patch)
treead70bb203a1d35f487f36a9babb722aa74b30834 /unsupported/test/sparse_extra.cpp
parentece48a645051a9984a78a3197027c9c861a0c702 (diff)
add missing files
Diffstat (limited to 'unsupported/test/sparse_extra.cpp')
-rw-r--r--unsupported/test/sparse_extra.cpp153
1 files changed, 153 insertions, 0 deletions
diff --git a/unsupported/test/sparse_extra.cpp b/unsupported/test/sparse_extra.cpp
new file mode 100644
index 000000000..fa6dc50f5
--- /dev/null
+++ b/unsupported/test/sparse_extra.cpp
@@ -0,0 +1,153 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2008-2010 Gael Guennebaud <g.gael@free.fr>
+//
+// Eigen is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 3 of the License, or (at your option) any later version.
+//
+// Alternatively, you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of
+// the License, or (at your option) any later version.
+//
+// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License and a copy of the GNU General Public License along with
+// Eigen. If not, see <http://www.gnu.org/licenses/>.
+
+#include "sparse.h"
+#include <Eigen/SparseExtra>
+
+template<typename SetterType,typename DenseType, typename Scalar, int Options>
+bool test_random_setter(SparseMatrix<Scalar,Options>& sm, const DenseType& ref, const std::vector<Vector2i>& nonzeroCoords)
+{
+ typedef SparseMatrix<Scalar,Options> SparseType;
+ {
+ sm.setZero();
+ SetterType w(sm);
+ std::vector<Vector2i> remaining = nonzeroCoords;
+ while(!remaining.empty())
+ {
+ int i = ei_random<int>(0,static_cast<int>(remaining.size())-1);
+ w(remaining[i].x(),remaining[i].y()) = ref.coeff(remaining[i].x(),remaining[i].y());
+ remaining[i] = remaining.back();
+ remaining.pop_back();
+ }
+ }
+ return sm.isApprox(ref);
+}
+
+template<typename SetterType,typename DenseType, typename T>
+bool test_random_setter(DynamicSparseMatrix<T>& sm, const DenseType& ref, const std::vector<Vector2i>& nonzeroCoords)
+{
+ sm.setZero();
+ std::vector<Vector2i> remaining = nonzeroCoords;
+ while(!remaining.empty())
+ {
+ int i = ei_random<int>(0,static_cast<int>(remaining.size())-1);
+ sm.coeffRef(remaining[i].x(),remaining[i].y()) = ref.coeff(remaining[i].x(),remaining[i].y());
+ remaining[i] = remaining.back();
+ remaining.pop_back();
+ }
+ return sm.isApprox(ref);
+}
+
+template<typename SparseMatrixType> void sparse_extra(const SparseMatrixType& ref)
+{
+ const int rows = ref.rows();
+ const int cols = ref.cols();
+ typedef typename SparseMatrixType::Scalar Scalar;
+ enum { Flags = SparseMatrixType::Flags };
+
+ double density = std::max(8./(rows*cols), 0.01);
+ typedef Matrix<Scalar,Dynamic,Dynamic> DenseMatrix;
+ typedef Matrix<Scalar,Dynamic,1> DenseVector;
+ Scalar eps = 1e-6;
+
+ SparseMatrixType m(rows, cols);
+ DenseMatrix refMat = DenseMatrix::Zero(rows, cols);
+ DenseVector vec1 = DenseVector::Random(rows);
+
+ std::vector<Vector2i> zeroCoords;
+ std::vector<Vector2i> nonzeroCoords;
+ initSparse<Scalar>(density, refMat, m, 0, &zeroCoords, &nonzeroCoords);
+
+ if (zeroCoords.size()==0 || nonzeroCoords.size()==0)
+ return;
+
+ // test coeff and coeffRef
+ for (int i=0; i<(int)zeroCoords.size(); ++i)
+ {
+ VERIFY_IS_MUCH_SMALLER_THAN( m.coeff(zeroCoords[i].x(),zeroCoords[i].y()), eps );
+ if(ei_is_same_type<SparseMatrixType,SparseMatrix<Scalar,Flags> >::ret)
+ VERIFY_RAISES_ASSERT( m.coeffRef(zeroCoords[0].x(),zeroCoords[0].y()) = 5 );
+ }
+ VERIFY_IS_APPROX(m, refMat);
+
+ m.coeffRef(nonzeroCoords[0].x(), nonzeroCoords[0].y()) = Scalar(5);
+ refMat.coeffRef(nonzeroCoords[0].x(), nonzeroCoords[0].y()) = Scalar(5);
+
+ VERIFY_IS_APPROX(m, refMat);
+
+ // random setter
+// {
+// m.setZero();
+// VERIFY_IS_NOT_APPROX(m, refMat);
+// SparseSetter<SparseMatrixType, RandomAccessPattern> w(m);
+// std::vector<Vector2i> remaining = nonzeroCoords;
+// while(!remaining.empty())
+// {
+// int i = ei_random<int>(0,remaining.size()-1);
+// w->coeffRef(remaining[i].x(),remaining[i].y()) = refMat.coeff(remaining[i].x(),remaining[i].y());
+// remaining[i] = remaining.back();
+// remaining.pop_back();
+// }
+// }
+// VERIFY_IS_APPROX(m, refMat);
+
+ VERIFY(( test_random_setter<RandomSetter<SparseMatrixType, StdMapTraits> >(m,refMat,nonzeroCoords) ));
+ #ifdef EIGEN_UNORDERED_MAP_SUPPORT
+ VERIFY(( test_random_setter<RandomSetter<SparseMatrixType, StdUnorderedMapTraits> >(m,refMat,nonzeroCoords) ));
+ #endif
+ #ifdef _DENSE_HASH_MAP_H_
+ VERIFY(( test_random_setter<RandomSetter<SparseMatrixType, GoogleDenseHashMapTraits> >(m,refMat,nonzeroCoords) ));
+ #endif
+ #ifdef _SPARSE_HASH_MAP_H_
+ VERIFY(( test_random_setter<RandomSetter<SparseMatrixType, GoogleSparseHashMapTraits> >(m,refMat,nonzeroCoords) ));
+ #endif
+
+
+ // test RandomSetter
+ /*{
+ SparseMatrixType m1(rows,cols), m2(rows,cols);
+ DenseMatrix refM1 = DenseMatrix::Zero(rows, rows);
+ initSparse<Scalar>(density, refM1, m1);
+ {
+ Eigen::RandomSetter<SparseMatrixType > setter(m2);
+ for (int j=0; j<m1.outerSize(); ++j)
+ for (typename SparseMatrixType::InnerIterator i(m1,j); i; ++i)
+ setter(i.index(), j) = i.value();
+ }
+ VERIFY_IS_APPROX(m1, m2);
+ }*/
+
+
+}
+
+void test_sparse_extra()
+{
+ for(int i = 0; i < g_repeat; i++) {
+ CALL_SUBTEST_1( sparse_extra(SparseMatrix<double>(8, 8)) );
+ CALL_SUBTEST_2( sparse_extra(SparseMatrix<std::complex<double> >(16, 16)) );
+ CALL_SUBTEST_1( sparse_extra(SparseMatrix<double>(33, 33)) );
+
+ CALL_SUBTEST_3( sparse_extra(DynamicSparseMatrix<double>(8, 8)) );
+ }
+}