1029 lines
		
	
	
		
			40 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			1029 lines
		
	
	
		
			40 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| // This file is part of Eigen, a lightweight C++ template library
 | |
| // for linear algebra.
 | |
| //
 | |
| // Copyright (C) 2008-2011 Gael Guennebaud <gael.guennebaud@inria.fr>
 | |
| // Copyright (C) 2008 Daniel Gomez Ferro <dgomezferro@gmail.com>
 | |
| // Copyright (C) 2013 Désiré Nuentsa-Wakam <desire.nuentsa_wakam@inria.fr>
 | |
| //
 | |
| // This Source Code Form is subject to the terms of the Mozilla
 | |
| // Public License v. 2.0. If a copy of the MPL was not distributed
 | |
| // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
 | |
| 
 | |
| #ifndef EIGEN_SPARSE_TEST_INCLUDED_FROM_SPARSE_EXTRA
 | |
| static long g_realloc_count = 0;
 | |
| #define EIGEN_SPARSE_COMPRESSED_STORAGE_REALLOCATE_PLUGIN g_realloc_count++;
 | |
| 
 | |
| static long g_dense_op_sparse_count = 0;
 | |
| #define EIGEN_SPARSE_ASSIGNMENT_FROM_DENSE_OP_SPARSE_PLUGIN g_dense_op_sparse_count++;
 | |
| #define EIGEN_SPARSE_ASSIGNMENT_FROM_SPARSE_ADD_DENSE_PLUGIN g_dense_op_sparse_count += 10;
 | |
| #define EIGEN_SPARSE_ASSIGNMENT_FROM_SPARSE_SUB_DENSE_PLUGIN g_dense_op_sparse_count += 20;
 | |
| #endif
 | |
| 
 | |
| #include "sparse.h"
 | |
| 
 | |
| template <typename SparseMatrixType>
 | |
| void sparse_basic(const SparseMatrixType& ref) {
 | |
|   typedef typename SparseMatrixType::StorageIndex StorageIndex;
 | |
|   typedef Matrix<StorageIndex, 2, 1> Vector2;
 | |
| 
 | |
|   const Index rows = ref.rows();
 | |
|   const Index cols = ref.cols();
 | |
|   const Index inner = ref.innerSize();
 | |
|   const Index outer = ref.outerSize();
 | |
| 
 | |
|   typedef typename SparseMatrixType::Scalar Scalar;
 | |
|   typedef typename SparseMatrixType::RealScalar RealScalar;
 | |
|   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;
 | |
|   typedef Matrix<Scalar, Dynamic, Dynamic, SparseMatrixType::IsRowMajor ? RowMajor : ColMajor> CompatibleDenseMatrix;
 | |
|   Scalar eps = 1e-6;
 | |
| 
 | |
|   Scalar s1 = internal::random<Scalar>();
 | |
|   {
 | |
|     SparseMatrixType m(rows, cols);
 | |
|     DenseMatrix refMat = DenseMatrix::Zero(rows, cols);
 | |
|     DenseVector vec1 = DenseVector::Random(rows);
 | |
| 
 | |
|     std::vector<Vector2> zeroCoords;
 | |
|     std::vector<Vector2> nonzeroCoords;
 | |
|     initSparse<Scalar>(density, refMat, m, 0, &zeroCoords, &nonzeroCoords);
 | |
| 
 | |
|     // test coeff and coeffRef
 | |
|     for (std::size_t i = 0; i < zeroCoords.size(); ++i) {
 | |
|       VERIFY_IS_MUCH_SMALLER_THAN(m.coeff(zeroCoords[i].x(), zeroCoords[i].y()), eps);
 | |
|       if (internal::is_same<SparseMatrixType, SparseMatrix<Scalar, Flags>>::value)
 | |
|         VERIFY_RAISES_ASSERT(m.coeffRef(zeroCoords[i].x(), zeroCoords[i].y()) = 5);
 | |
|     }
 | |
|     VERIFY_IS_APPROX(m, refMat);
 | |
| 
 | |
|     if (!nonzeroCoords.empty()) {
 | |
|       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);
 | |
| 
 | |
|     // test assertion
 | |
|     VERIFY_RAISES_ASSERT(m.coeffRef(-1, 1) = 0);
 | |
|     VERIFY_RAISES_ASSERT(m.coeffRef(0, m.cols()) = 0);
 | |
|   }
 | |
| 
 | |
|   // test insert (inner random)
 | |
|   {
 | |
|     DenseMatrix m1(rows, cols);
 | |
|     m1.setZero();
 | |
|     SparseMatrixType m2(rows, cols);
 | |
|     bool call_reserve = internal::random<int>() % 2;
 | |
|     Index nnz = internal::random<int>(1, int(rows) / 2);
 | |
|     if (call_reserve) {
 | |
|       if (internal::random<int>() % 2)
 | |
|         m2.reserve(VectorXi::Constant(m2.outerSize(), int(nnz)));
 | |
|       else
 | |
|         m2.reserve(m2.outerSize() * nnz);
 | |
|     }
 | |
|     g_realloc_count = 0;
 | |
|     for (Index j = 0; j < cols; ++j) {
 | |
|       for (Index k = 0; k < nnz; ++k) {
 | |
|         Index i = internal::random<Index>(0, rows - 1);
 | |
|         if (m1.coeff(i, j) == Scalar(0)) {
 | |
|           Scalar v = internal::random<Scalar>();
 | |
|           if (v == Scalar(0)) v = Scalar(1);
 | |
|           m1(i, j) = v;
 | |
|           m2.insert(i, j) = v;
 | |
|         }
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     if (call_reserve && !SparseMatrixType::IsRowMajor) {
 | |
|       VERIFY(g_realloc_count == 0);
 | |
|     }
 | |
| 
 | |
|     VERIFY_IS_APPROX(m2, m1);
 | |
|   }
 | |
| 
 | |
|   // test insert (fully random)
 | |
|   {
 | |
|     DenseMatrix m1(rows, cols);
 | |
|     m1.setZero();
 | |
|     SparseMatrixType m2(rows, cols);
 | |
|     if (internal::random<int>() % 2) m2.reserve(VectorXi::Constant(m2.outerSize(), 2));
 | |
|     for (int k = 0; k < rows * cols; ++k) {
 | |
|       Index i = internal::random<Index>(0, rows - 1);
 | |
|       Index j = internal::random<Index>(0, cols - 1);
 | |
|       if ((m1.coeff(i, j) == Scalar(0)) && (internal::random<int>() % 2)) {
 | |
|         Scalar v = internal::random<Scalar>();
 | |
|         if (v == Scalar(0)) v = Scalar(1);
 | |
|         m1(i, j) = v;
 | |
|         m2.insert(i, j) = v;
 | |
|       } else {
 | |
|         Scalar v = internal::random<Scalar>();
 | |
|         if (v == Scalar(0)) v = Scalar(1);
 | |
|         m1(i, j) = v;
 | |
|         m2.coeffRef(i, j) = v;
 | |
|       }
 | |
|     }
 | |
|     VERIFY_IS_APPROX(m2, m1);
 | |
|   }
 | |
| 
 | |
|   // test insert (un-compressed)
 | |
|   for (int mode = 0; mode < 4; ++mode) {
 | |
|     DenseMatrix m1(rows, cols);
 | |
|     m1.setZero();
 | |
|     SparseMatrixType m2(rows, cols);
 | |
|     VectorXi r(VectorXi::Constant(m2.outerSize(),
 | |
|                                   ((mode % 2) == 0) ? int(m2.innerSize()) : std::max<int>(1, int(m2.innerSize()) / 8)));
 | |
|     m2.reserve(r);
 | |
|     for (Index k = 0; k < rows * cols; ++k) {
 | |
|       Index i = internal::random<Index>(0, rows - 1);
 | |
|       Index j = internal::random<Index>(0, cols - 1);
 | |
|       if (m1.coeff(i, j) == Scalar(0)) {
 | |
|         Scalar v = internal::random<Scalar>();
 | |
|         if (v == Scalar(0)) v = Scalar(1);
 | |
|         m1(i, j) = v;
 | |
|         m2.insert(i, j) = v;
 | |
|       }
 | |
|       if (mode == 3) m2.reserve(r);
 | |
|     }
 | |
|     if (internal::random<int>() % 2) m2.makeCompressed();
 | |
|     VERIFY_IS_APPROX(m2, m1);
 | |
|   }
 | |
| 
 | |
|   // test removeOuterVectors / insertEmptyOuterVectors
 | |
|   {
 | |
|     for (int mode = 0; mode < 4; mode++) {
 | |
|       CompatibleDenseMatrix m1(rows, cols);
 | |
|       m1.setZero();
 | |
|       SparseMatrixType m2(rows, cols);
 | |
|       Vector<Index, Dynamic> reserveSizes(outer);
 | |
|       for (Index j = 0; j < outer; j++) reserveSizes(j) = internal::random<Index>(1, inner - 1);
 | |
|       m2.reserve(reserveSizes);
 | |
|       for (Index j = 0; j < outer; j++) {
 | |
|         Index i = internal::random<Index>(0, inner - 1);
 | |
|         Scalar val = internal::random<Scalar>();
 | |
|         m1.coeffRefByOuterInner(j, i) = val;
 | |
|         m2.insertByOuterInner(j, i) = val;
 | |
|       }
 | |
|       if (mode % 2 == 0) m2.makeCompressed();
 | |
| 
 | |
|       if (mode < 2) {
 | |
|         Index num = internal::random<Index>(0, outer - 1);
 | |
|         Index start = internal::random<Index>(0, outer - num);
 | |
| 
 | |
|         Index newRows = SparseMatrixType::IsRowMajor ? rows - num : rows;
 | |
|         Index newCols = SparseMatrixType::IsRowMajor ? cols : cols - num;
 | |
| 
 | |
|         CompatibleDenseMatrix m3(newRows, newCols);
 | |
|         m3.setConstant(Scalar(NumTraits<RealScalar>::quiet_NaN()));
 | |
| 
 | |
|         if (SparseMatrixType::IsRowMajor) {
 | |
|           m3.topRows(start) = m1.topRows(start);
 | |
|           m3.bottomRows(newRows - start) = m1.bottomRows(newRows - start);
 | |
|         } else {
 | |
|           m3.leftCols(start) = m1.leftCols(start);
 | |
|           m3.rightCols(newCols - start) = m1.rightCols(newCols - start);
 | |
|         }
 | |
| 
 | |
|         SparseMatrixType m4 = m2;
 | |
|         m4.removeOuterVectors(start, num);
 | |
| 
 | |
|         VERIFY_IS_CWISE_EQUAL(m3, m4.toDense());
 | |
|       } else {
 | |
|         Index num = internal::random<Index>(0, outer - 1);
 | |
|         Index start = internal::random<Index>(0, outer - 1);
 | |
| 
 | |
|         Index newRows = SparseMatrixType::IsRowMajor ? rows + num : rows;
 | |
|         Index newCols = SparseMatrixType::IsRowMajor ? cols : cols + num;
 | |
| 
 | |
|         CompatibleDenseMatrix m3(newRows, newCols);
 | |
|         m3.setConstant(Scalar(NumTraits<RealScalar>::quiet_NaN()));
 | |
| 
 | |
|         if (SparseMatrixType::IsRowMajor) {
 | |
|           m3.topRows(start) = m1.topRows(start);
 | |
|           m3.middleRows(start, num).setZero();
 | |
|           m3.bottomRows(rows - start) = m1.bottomRows(rows - start);
 | |
|         } else {
 | |
|           m3.leftCols(start) = m1.leftCols(start);
 | |
|           m3.middleCols(start, num).setZero();
 | |
|           m3.rightCols(cols - start) = m1.rightCols(cols - start);
 | |
|         }
 | |
| 
 | |
|         SparseMatrixType m4 = m2;
 | |
|         m4.insertEmptyOuterVectors(start, num);
 | |
| 
 | |
|         VERIFY_IS_CWISE_EQUAL(m3, m4.toDense());
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   // test sort
 | |
|   if (inner > 1) {
 | |
|     bool StorageOrdersMatch = int(DenseMatrix::IsRowMajor) == int(SparseMatrixType::IsRowMajor);
 | |
|     DenseMatrix m1(rows, cols);
 | |
|     m1.setZero();
 | |
|     SparseMatrixType m2(rows, cols);
 | |
|     // generate random inner indices with no repeats
 | |
|     Vector<Index, Dynamic> innerIndices(inner);
 | |
|     innerIndices.setLinSpaced(inner, 0, inner - 1);
 | |
|     std::random_device rd;
 | |
|     std::mt19937 g(rd());
 | |
|     for (Index j = 0; j < outer; j++) {
 | |
|       std::shuffle(innerIndices.begin(), innerIndices.end(), g);
 | |
|       Index nzj = internal::random<Index>(2, inner / 2);
 | |
|       for (Index k = 0; k < nzj; k++) {
 | |
|         Index i = innerIndices[k];
 | |
|         Scalar val = internal::random<Scalar>();
 | |
|         m1.coeffRefByOuterInner(StorageOrdersMatch ? j : i, StorageOrdersMatch ? i : j) = val;
 | |
|         m2.insertByOuterInner(j, i) = val;
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     VERIFY_IS_APPROX(m2, m1);
 | |
|     // sort wrt greater
 | |
|     m2.template sortInnerIndices<std::greater<>>();
 | |
|     // verify that all inner vectors are not sorted wrt less
 | |
|     VERIFY_IS_EQUAL(m2.template innerIndicesAreSorted<std::less<>>(), 0);
 | |
|     // verify that all inner vectors are sorted wrt greater
 | |
|     VERIFY_IS_EQUAL(m2.template innerIndicesAreSorted<std::greater<>>(), m2.outerSize());
 | |
|     // verify that sort does not change evaluation
 | |
|     VERIFY_IS_APPROX(m2, m1);
 | |
|     // sort wrt less
 | |
|     m2.template sortInnerIndices<std::less<>>();
 | |
|     // verify that all inner vectors are sorted wrt less
 | |
|     VERIFY_IS_EQUAL(m2.template innerIndicesAreSorted<std::less<>>(), m2.outerSize());
 | |
|     // verify that all inner vectors are not sorted wrt greater
 | |
|     VERIFY_IS_EQUAL(m2.template innerIndicesAreSorted<std::greater<>>(), 0);
 | |
|     // verify that sort does not change evaluation
 | |
|     VERIFY_IS_APPROX(m2, m1);
 | |
| 
 | |
|     m2.makeCompressed();
 | |
|     // sort wrt greater
 | |
|     m2.template sortInnerIndices<std::greater<>>();
 | |
|     // verify that all inner vectors are not sorted wrt less
 | |
|     VERIFY_IS_EQUAL(m2.template innerIndicesAreSorted<std::less<>>(), 0);
 | |
|     // verify that all inner vectors are sorted wrt greater
 | |
|     VERIFY_IS_EQUAL(m2.template innerIndicesAreSorted<std::greater<>>(), m2.outerSize());
 | |
|     // verify that sort does not change evaluation
 | |
|     VERIFY_IS_APPROX(m2, m1);
 | |
|     // sort wrt less
 | |
|     m2.template sortInnerIndices<std::less<>>();
 | |
|     // verify that all inner vectors are sorted wrt less
 | |
|     VERIFY_IS_EQUAL(m2.template innerIndicesAreSorted<std::less<>>(), m2.outerSize());
 | |
|     // verify that all inner vectors are not sorted wrt greater
 | |
|     VERIFY_IS_EQUAL(m2.template innerIndicesAreSorted<std::greater<>>(), 0);
 | |
|     // verify that sort does not change evaluation
 | |
|     VERIFY_IS_APPROX(m2, m1);
 | |
|   }
 | |
| 
 | |
|   // test basic computations
 | |
|   {
 | |
|     DenseMatrix refM1 = DenseMatrix::Zero(rows, cols);
 | |
|     DenseMatrix refM2 = DenseMatrix::Zero(rows, cols);
 | |
|     DenseMatrix refM3 = DenseMatrix::Zero(rows, cols);
 | |
|     DenseMatrix refM4 = DenseMatrix::Zero(rows, cols);
 | |
|     SparseMatrixType m1(rows, cols);
 | |
|     SparseMatrixType m2(rows, cols);
 | |
|     SparseMatrixType m3(rows, cols);
 | |
|     SparseMatrixType m4(rows, cols);
 | |
|     initSparse<Scalar>(density, refM1, m1);
 | |
|     initSparse<Scalar>(density, refM2, m2);
 | |
|     initSparse<Scalar>(density, refM3, m3);
 | |
|     initSparse<Scalar>(density, refM4, m4);
 | |
| 
 | |
|     if (internal::random<bool>()) m1.makeCompressed();
 | |
| 
 | |
|     Index m1_nnz = m1.nonZeros();
 | |
| 
 | |
|     VERIFY_IS_APPROX(m1 * s1, refM1 * s1);
 | |
|     VERIFY_IS_APPROX(m1 + m2, refM1 + refM2);
 | |
|     VERIFY_IS_APPROX(m1 + m2 + m3, refM1 + refM2 + refM3);
 | |
|     VERIFY_IS_APPROX(m3.cwiseProduct(m1 + m2), refM3.cwiseProduct(refM1 + refM2));
 | |
|     VERIFY_IS_APPROX(m1 * s1 - m2, refM1 * s1 - refM2);
 | |
|     VERIFY_IS_APPROX(m4 = m1 / s1, refM1 / s1);
 | |
|     VERIFY_IS_EQUAL(m4.nonZeros(), m1_nnz);
 | |
| 
 | |
|     if (SparseMatrixType::IsRowMajor)
 | |
|       VERIFY_IS_APPROX(m1.innerVector(0).dot(refM2.row(0)), refM1.row(0).dot(refM2.row(0)));
 | |
|     else
 | |
|       VERIFY_IS_APPROX(m1.innerVector(0).dot(refM2.col(0)), refM1.col(0).dot(refM2.col(0)));
 | |
| 
 | |
|     DenseVector rv = DenseVector::Random(m1.cols());
 | |
|     DenseVector cv = DenseVector::Random(m1.rows());
 | |
|     Index r = internal::random<Index>(0, m1.rows() - 2);
 | |
|     Index c = internal::random<Index>(0, m1.cols() - 1);
 | |
|     VERIFY_IS_APPROX((m1.template block<1, Dynamic>(r, 0, 1, m1.cols()).dot(rv)), refM1.row(r).dot(rv));
 | |
|     VERIFY_IS_APPROX(m1.row(r).dot(rv), refM1.row(r).dot(rv));
 | |
|     VERIFY_IS_APPROX(m1.col(c).dot(cv), refM1.col(c).dot(cv));
 | |
| 
 | |
|     VERIFY_IS_APPROX(m1.conjugate(), refM1.conjugate());
 | |
|     VERIFY_IS_APPROX(m1.real(), refM1.real());
 | |
| 
 | |
|     refM4.setRandom();
 | |
|     // sparse cwise* dense
 | |
|     VERIFY_IS_APPROX(m3.cwiseProduct(refM4), refM3.cwiseProduct(refM4));
 | |
|     // dense cwise* sparse
 | |
|     VERIFY_IS_APPROX(refM4.cwiseProduct(m3), refM4.cwiseProduct(refM3));
 | |
|     //     VERIFY_IS_APPROX(m3.cwise()/refM4, refM3.cwise()/refM4);
 | |
| 
 | |
|     // mixed sparse-dense
 | |
|     VERIFY_IS_APPROX(refM4 + m3, refM4 + refM3);
 | |
|     VERIFY_IS_APPROX(m3 + refM4, refM3 + refM4);
 | |
|     VERIFY_IS_APPROX(refM4 - m3, refM4 - refM3);
 | |
|     VERIFY_IS_APPROX(m3 - refM4, refM3 - refM4);
 | |
|     VERIFY_IS_APPROX((RealScalar(0.5) * refM4 + RealScalar(0.5) * m3).eval(),
 | |
|                      RealScalar(0.5) * refM4 + RealScalar(0.5) * refM3);
 | |
|     VERIFY_IS_APPROX((RealScalar(0.5) * refM4 + m3 * RealScalar(0.5)).eval(),
 | |
|                      RealScalar(0.5) * refM4 + RealScalar(0.5) * refM3);
 | |
|     VERIFY_IS_APPROX((RealScalar(0.5) * refM4 + m3.cwiseProduct(m3)).eval(),
 | |
|                      RealScalar(0.5) * refM4 + refM3.cwiseProduct(refM3));
 | |
| 
 | |
|     VERIFY_IS_APPROX((RealScalar(0.5) * refM4 + RealScalar(0.5) * m3).eval(),
 | |
|                      RealScalar(0.5) * refM4 + RealScalar(0.5) * refM3);
 | |
|     VERIFY_IS_APPROX((RealScalar(0.5) * refM4 + m3 * RealScalar(0.5)).eval(),
 | |
|                      RealScalar(0.5) * refM4 + RealScalar(0.5) * refM3);
 | |
|     VERIFY_IS_APPROX((RealScalar(0.5) * refM4 + (m3 + m3)).eval(), RealScalar(0.5) * refM4 + (refM3 + refM3));
 | |
|     VERIFY_IS_APPROX(((refM3 + m3) + RealScalar(0.5) * m3).eval(), RealScalar(0.5) * refM3 + (refM3 + refM3));
 | |
|     VERIFY_IS_APPROX((RealScalar(0.5) * refM4 + (refM3 + m3)).eval(), RealScalar(0.5) * refM4 + (refM3 + refM3));
 | |
|     VERIFY_IS_APPROX((RealScalar(0.5) * refM4 + (m3 + refM3)).eval(), RealScalar(0.5) * refM4 + (refM3 + refM3));
 | |
| 
 | |
|     VERIFY_IS_APPROX(m1.sum(), refM1.sum());
 | |
| 
 | |
|     m4 = m1;
 | |
|     refM4 = m4;
 | |
| 
 | |
|     VERIFY_IS_APPROX(m1 *= s1, refM1 *= s1);
 | |
|     VERIFY_IS_EQUAL(m1.nonZeros(), m1_nnz);
 | |
|     VERIFY_IS_APPROX(m1 /= s1, refM1 /= s1);
 | |
|     VERIFY_IS_EQUAL(m1.nonZeros(), m1_nnz);
 | |
| 
 | |
|     VERIFY_IS_APPROX(m1 += m2, refM1 += refM2);
 | |
|     VERIFY_IS_APPROX(m1 -= m2, refM1 -= refM2);
 | |
| 
 | |
|     refM3 = refM1;
 | |
| 
 | |
|     VERIFY_IS_APPROX(refM1 += m2, refM3 += refM2);
 | |
|     VERIFY_IS_APPROX(refM1 -= m2, refM3 -= refM2);
 | |
| 
 | |
|     g_dense_op_sparse_count = 0;
 | |
|     VERIFY_IS_APPROX(refM1 = m2 + refM4, refM3 = refM2 + refM4);
 | |
|     VERIFY_IS_EQUAL(g_dense_op_sparse_count, 10);
 | |
|     g_dense_op_sparse_count = 0;
 | |
|     VERIFY_IS_APPROX(refM1 += m2 + refM4, refM3 += refM2 + refM4);
 | |
|     VERIFY_IS_EQUAL(g_dense_op_sparse_count, 1);
 | |
|     g_dense_op_sparse_count = 0;
 | |
|     VERIFY_IS_APPROX(refM1 -= m2 + refM4, refM3 -= refM2 + refM4);
 | |
|     VERIFY_IS_EQUAL(g_dense_op_sparse_count, 1);
 | |
|     g_dense_op_sparse_count = 0;
 | |
|     VERIFY_IS_APPROX(refM1 = refM4 + m2, refM3 = refM2 + refM4);
 | |
|     VERIFY_IS_EQUAL(g_dense_op_sparse_count, 1);
 | |
|     g_dense_op_sparse_count = 0;
 | |
|     VERIFY_IS_APPROX(refM1 += refM4 + m2, refM3 += refM2 + refM4);
 | |
|     VERIFY_IS_EQUAL(g_dense_op_sparse_count, 1);
 | |
|     g_dense_op_sparse_count = 0;
 | |
|     VERIFY_IS_APPROX(refM1 -= refM4 + m2, refM3 -= refM2 + refM4);
 | |
|     VERIFY_IS_EQUAL(g_dense_op_sparse_count, 1);
 | |
| 
 | |
|     g_dense_op_sparse_count = 0;
 | |
|     VERIFY_IS_APPROX(refM1 = m2 - refM4, refM3 = refM2 - refM4);
 | |
|     VERIFY_IS_EQUAL(g_dense_op_sparse_count, 20);
 | |
|     g_dense_op_sparse_count = 0;
 | |
|     VERIFY_IS_APPROX(refM1 += m2 - refM4, refM3 += refM2 - refM4);
 | |
|     VERIFY_IS_EQUAL(g_dense_op_sparse_count, 1);
 | |
|     g_dense_op_sparse_count = 0;
 | |
|     VERIFY_IS_APPROX(refM1 -= m2 - refM4, refM3 -= refM2 - refM4);
 | |
|     VERIFY_IS_EQUAL(g_dense_op_sparse_count, 1);
 | |
|     g_dense_op_sparse_count = 0;
 | |
|     VERIFY_IS_APPROX(refM1 = refM4 - m2, refM3 = refM4 - refM2);
 | |
|     VERIFY_IS_EQUAL(g_dense_op_sparse_count, 1);
 | |
|     g_dense_op_sparse_count = 0;
 | |
|     VERIFY_IS_APPROX(refM1 += refM4 - m2, refM3 += refM4 - refM2);
 | |
|     VERIFY_IS_EQUAL(g_dense_op_sparse_count, 1);
 | |
|     g_dense_op_sparse_count = 0;
 | |
|     VERIFY_IS_APPROX(refM1 -= refM4 - m2, refM3 -= refM4 - refM2);
 | |
|     VERIFY_IS_EQUAL(g_dense_op_sparse_count, 1);
 | |
|     refM3 = m3;
 | |
| 
 | |
|     if (rows >= 2 && cols >= 2) {
 | |
|       VERIFY_RAISES_ASSERT(m1 += m1.innerVector(0));
 | |
|       VERIFY_RAISES_ASSERT(m1 -= m1.innerVector(0));
 | |
|       VERIFY_RAISES_ASSERT(refM1 -= m1.innerVector(0));
 | |
|       VERIFY_RAISES_ASSERT(refM1 += m1.innerVector(0));
 | |
|     }
 | |
|     m1 = m4;
 | |
|     refM1 = refM4;
 | |
| 
 | |
|     // test aliasing
 | |
|     VERIFY_IS_APPROX((m1 = -m1), (refM1 = -refM1));
 | |
|     VERIFY_IS_EQUAL(m1.nonZeros(), m1_nnz);
 | |
|     m1 = m4;
 | |
|     refM1 = refM4;
 | |
|     VERIFY_IS_APPROX((m1 = m1.transpose()), (refM1 = refM1.transpose().eval()));
 | |
|     VERIFY_IS_EQUAL(m1.nonZeros(), m1_nnz);
 | |
|     m1 = m4;
 | |
|     refM1 = refM4;
 | |
|     VERIFY_IS_APPROX((m1 = -m1.transpose()), (refM1 = -refM1.transpose().eval()));
 | |
|     VERIFY_IS_EQUAL(m1.nonZeros(), m1_nnz);
 | |
|     m1 = m4;
 | |
|     refM1 = refM4;
 | |
|     VERIFY_IS_APPROX((m1 += -m1), (refM1 += -refM1));
 | |
|     VERIFY_IS_EQUAL(m1.nonZeros(), m1_nnz);
 | |
|     m1 = m4;
 | |
|     refM1 = refM4;
 | |
| 
 | |
|     if (m1.isCompressed()) {
 | |
|       VERIFY_IS_APPROX(m1.coeffs().sum(), m1.sum());
 | |
|       m1.coeffs() += s1;
 | |
|       for (Index j = 0; j < m1.outerSize(); ++j)
 | |
|         for (typename SparseMatrixType::InnerIterator it(m1, j); it; ++it) refM1(it.row(), it.col()) += s1;
 | |
|       VERIFY_IS_APPROX(m1, refM1);
 | |
|     }
 | |
| 
 | |
|     // and/or
 | |
|     {
 | |
|       typedef SparseMatrix<bool, SparseMatrixType::Options, typename SparseMatrixType::StorageIndex> SpBool;
 | |
|       SpBool mb1 = m1.real().template cast<bool>();
 | |
|       SpBool mb2 = m2.real().template cast<bool>();
 | |
|       VERIFY_IS_EQUAL(mb1.template cast<int>().sum(), refM1.real().template cast<bool>().count());
 | |
|       VERIFY_IS_EQUAL((mb1 && mb2).template cast<int>().sum(),
 | |
|                       (refM1.real().template cast<bool>() && refM2.real().template cast<bool>()).count());
 | |
|       VERIFY_IS_EQUAL((mb1 || mb2).template cast<int>().sum(),
 | |
|                       (refM1.real().template cast<bool>() || refM2.real().template cast<bool>()).count());
 | |
|       SpBool mb3 = mb1 && mb2;
 | |
|       if (mb1.coeffs().all() && mb2.coeffs().all()) {
 | |
|         VERIFY_IS_EQUAL(mb3.nonZeros(),
 | |
|                         (refM1.real().template cast<bool>() && refM2.real().template cast<bool>()).count());
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   // test reverse iterators
 | |
|   {
 | |
|     DenseMatrix refMat2 = DenseMatrix::Zero(rows, cols);
 | |
|     SparseMatrixType m2(rows, cols);
 | |
|     initSparse<Scalar>(density, refMat2, m2);
 | |
|     std::vector<Scalar> ref_value(m2.innerSize());
 | |
|     std::vector<Index> ref_index(m2.innerSize());
 | |
|     if (internal::random<bool>()) m2.makeCompressed();
 | |
|     for (Index j = 0; j < m2.outerSize(); ++j) {
 | |
|       Index count_forward = 0;
 | |
| 
 | |
|       for (typename SparseMatrixType::InnerIterator it(m2, j); it; ++it) {
 | |
|         ref_value[ref_value.size() - 1 - count_forward] = it.value();
 | |
|         ref_index[ref_index.size() - 1 - count_forward] = it.index();
 | |
|         count_forward++;
 | |
|       }
 | |
|       Index count_reverse = 0;
 | |
|       for (typename SparseMatrixType::ReverseInnerIterator it(m2, j); it; --it) {
 | |
|         VERIFY_IS_APPROX(std::abs(ref_value[ref_value.size() - count_forward + count_reverse]) + 1,
 | |
|                          std::abs(it.value()) + 1);
 | |
|         VERIFY_IS_EQUAL(ref_index[ref_index.size() - count_forward + count_reverse], it.index());
 | |
|         count_reverse++;
 | |
|       }
 | |
|       VERIFY_IS_EQUAL(count_forward, count_reverse);
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   // test transpose
 | |
|   {
 | |
|     DenseMatrix refMat2 = DenseMatrix::Zero(rows, cols);
 | |
|     SparseMatrixType m2(rows, cols);
 | |
|     initSparse<Scalar>(density, refMat2, m2);
 | |
|     VERIFY_IS_APPROX(m2.transpose().eval(), refMat2.transpose().eval());
 | |
|     VERIFY_IS_APPROX(m2.transpose(), refMat2.transpose());
 | |
| 
 | |
|     VERIFY_IS_APPROX(SparseMatrixType(m2.adjoint()), refMat2.adjoint());
 | |
| 
 | |
|     // check isApprox handles opposite storage order
 | |
|     typename Transpose<SparseMatrixType>::PlainObject m3(m2);
 | |
|     VERIFY(m2.isApprox(m3));
 | |
|   }
 | |
| 
 | |
|   // test prune
 | |
|   {
 | |
|     SparseMatrixType m2(rows, cols);
 | |
|     DenseMatrix refM2(rows, cols);
 | |
|     refM2.setZero();
 | |
|     int countFalseNonZero = 0;
 | |
|     int countTrueNonZero = 0;
 | |
|     m2.reserve(VectorXi::Constant(m2.outerSize(), int(m2.innerSize())));
 | |
|     for (Index j = 0; j < m2.cols(); ++j) {
 | |
|       for (Index i = 0; i < m2.rows(); ++i) {
 | |
|         float x = internal::random<float>(0, 1);
 | |
|         if (x < 0.1f) {
 | |
|           // do nothing
 | |
|         } else if (x < 0.5f) {
 | |
|           countFalseNonZero++;
 | |
|           m2.insert(i, j) = Scalar(0);
 | |
|         } else {
 | |
|           countTrueNonZero++;
 | |
|           m2.insert(i, j) = Scalar(1);
 | |
|           refM2(i, j) = Scalar(1);
 | |
|         }
 | |
|       }
 | |
|     }
 | |
|     if (internal::random<bool>()) m2.makeCompressed();
 | |
|     VERIFY(countFalseNonZero + countTrueNonZero == m2.nonZeros());
 | |
|     if (countTrueNonZero > 0) VERIFY_IS_APPROX(m2, refM2);
 | |
|     m2.prune(Scalar(1));
 | |
|     VERIFY(countTrueNonZero == m2.nonZeros());
 | |
|     VERIFY_IS_APPROX(m2, refM2);
 | |
|   }
 | |
| 
 | |
|   // test setFromTriplets / insertFromTriplets
 | |
|   {
 | |
|     typedef Triplet<Scalar, StorageIndex> TripletType;
 | |
|     Index ntriplets = rows * cols;
 | |
| 
 | |
|     std::vector<TripletType> triplets;
 | |
| 
 | |
|     triplets.reserve(ntriplets);
 | |
|     DenseMatrix refMat_sum = DenseMatrix::Zero(rows, cols);
 | |
|     DenseMatrix refMat_prod = DenseMatrix::Zero(rows, cols);
 | |
|     DenseMatrix refMat_last = DenseMatrix::Zero(rows, cols);
 | |
| 
 | |
|     for (Index i = 0; i < ntriplets; ++i) {
 | |
|       StorageIndex r = internal::random<StorageIndex>(0, StorageIndex(rows - 1));
 | |
|       StorageIndex c = internal::random<StorageIndex>(0, StorageIndex(cols - 1));
 | |
|       Scalar v = internal::random<Scalar>();
 | |
|       triplets.push_back(TripletType(r, c, v));
 | |
|       refMat_sum(r, c) += v;
 | |
|       if (std::abs(refMat_prod(r, c)) == 0)
 | |
|         refMat_prod(r, c) = v;
 | |
|       else
 | |
|         refMat_prod(r, c) *= v;
 | |
|       refMat_last(r, c) = v;
 | |
|     }
 | |
| 
 | |
|     std::vector<TripletType> moreTriplets;
 | |
|     moreTriplets.reserve(ntriplets);
 | |
|     DenseMatrix refMat_sum_more = refMat_sum;
 | |
|     DenseMatrix refMat_prod_more = refMat_prod;
 | |
|     DenseMatrix refMat_last_more = refMat_last;
 | |
| 
 | |
|     for (Index i = 0; i < ntriplets; ++i) {
 | |
|       StorageIndex r = internal::random<StorageIndex>(0, StorageIndex(rows - 1));
 | |
|       StorageIndex c = internal::random<StorageIndex>(0, StorageIndex(cols - 1));
 | |
|       Scalar v = internal::random<Scalar>();
 | |
|       moreTriplets.push_back(TripletType(r, c, v));
 | |
|       refMat_sum_more(r, c) += v;
 | |
|       if (std::abs(refMat_prod_more(r, c)) == 0)
 | |
|         refMat_prod_more(r, c) = v;
 | |
|       else
 | |
|         refMat_prod_more(r, c) *= v;
 | |
|       refMat_last_more(r, c) = v;
 | |
|     }
 | |
| 
 | |
|     SparseMatrixType m(rows, cols);
 | |
| 
 | |
|     // test setFromTriplets / insertFromTriplets
 | |
| 
 | |
|     m.setFromTriplets(triplets.begin(), triplets.end());
 | |
|     VERIFY_IS_APPROX(m, refMat_sum);
 | |
|     VERIFY_IS_EQUAL(m.innerIndicesAreSorted(), m.outerSize());
 | |
|     VERIFY(m.isCompressed());
 | |
|     m.insertFromTriplets(moreTriplets.begin(), moreTriplets.end());
 | |
|     VERIFY_IS_APPROX(m, refMat_sum_more);
 | |
|     VERIFY_IS_EQUAL(m.innerIndicesAreSorted(), m.outerSize());
 | |
| 
 | |
|     m.setFromTriplets(triplets.begin(), triplets.end(), std::multiplies<Scalar>());
 | |
|     VERIFY_IS_APPROX(m, refMat_prod);
 | |
|     VERIFY_IS_EQUAL(m.innerIndicesAreSorted(), m.outerSize());
 | |
|     VERIFY(m.isCompressed());
 | |
|     m.insertFromTriplets(moreTriplets.begin(), moreTriplets.end(), std::multiplies<Scalar>());
 | |
|     VERIFY_IS_APPROX(m, refMat_prod_more);
 | |
|     VERIFY_IS_EQUAL(m.innerIndicesAreSorted(), m.outerSize());
 | |
| 
 | |
|     m.setFromTriplets(triplets.begin(), triplets.end(), [](Scalar, Scalar b) { return b; });
 | |
|     VERIFY_IS_APPROX(m, refMat_last);
 | |
|     VERIFY_IS_EQUAL(m.innerIndicesAreSorted(), m.outerSize());
 | |
|     m.setFromTriplets(triplets.begin(), triplets.end(), [](Scalar, Scalar b) { return b; });
 | |
|     VERIFY(m.isCompressed());
 | |
|     m.insertFromTriplets(moreTriplets.begin(), moreTriplets.end(), [](Scalar, Scalar b) { return b; });
 | |
|     VERIFY_IS_APPROX(m, refMat_last_more);
 | |
|     VERIFY_IS_EQUAL(m.innerIndicesAreSorted(), m.outerSize());
 | |
| 
 | |
|     // insert into an uncompressed matrix
 | |
| 
 | |
|     VectorXi reserveSizes(m.outerSize());
 | |
|     for (Index i = 0; i < m.outerSize(); i++) reserveSizes[i] = internal::random<int>(1, 7);
 | |
| 
 | |
|     m.setFromTriplets(triplets.begin(), triplets.end());
 | |
|     m.reserve(reserveSizes);
 | |
|     VERIFY(!m.isCompressed());
 | |
|     m.insertFromTriplets(moreTriplets.begin(), moreTriplets.end());
 | |
|     VERIFY_IS_APPROX(m, refMat_sum_more);
 | |
|     VERIFY_IS_EQUAL(m.innerIndicesAreSorted(), m.outerSize());
 | |
| 
 | |
|     m.setFromTriplets(triplets.begin(), triplets.end(), std::multiplies<Scalar>());
 | |
|     m.reserve(reserveSizes);
 | |
|     VERIFY(!m.isCompressed());
 | |
|     m.insertFromTriplets(moreTriplets.begin(), moreTriplets.end(), std::multiplies<Scalar>());
 | |
|     VERIFY_IS_APPROX(m, refMat_prod_more);
 | |
|     VERIFY_IS_EQUAL(m.innerIndicesAreSorted(), m.outerSize());
 | |
| 
 | |
|     m.setFromTriplets(triplets.begin(), triplets.end(), [](Scalar, Scalar b) { return b; });
 | |
|     m.reserve(reserveSizes);
 | |
|     VERIFY(!m.isCompressed());
 | |
|     m.insertFromTriplets(moreTriplets.begin(), moreTriplets.end(), [](Scalar, Scalar b) { return b; });
 | |
|     VERIFY_IS_APPROX(m, refMat_last_more);
 | |
|     VERIFY_IS_EQUAL(m.innerIndicesAreSorted(), m.outerSize());
 | |
| 
 | |
|     // test setFromSortedTriplets / insertFromSortedTriplets
 | |
| 
 | |
|     struct triplet_comp {
 | |
|       inline bool operator()(const TripletType& a, const TripletType& b) {
 | |
|         return SparseMatrixType::IsRowMajor ? ((a.row() != b.row()) ? (a.row() < b.row()) : (a.col() < b.col()))
 | |
|                                             : ((a.col() != b.col()) ? (a.col() < b.col()) : (a.row() < b.row()));
 | |
|       }
 | |
|     };
 | |
| 
 | |
|     // stable_sort is only necessary when the reduction functor is dependent on the order of the triplets
 | |
|     // this is the case with refMat_last
 | |
|     // for most cases, std::sort is sufficient and preferred
 | |
| 
 | |
|     std::stable_sort(triplets.begin(), triplets.end(), triplet_comp());
 | |
|     std::stable_sort(moreTriplets.begin(), moreTriplets.end(), triplet_comp());
 | |
| 
 | |
|     m.setFromSortedTriplets(triplets.begin(), triplets.end());
 | |
|     VERIFY_IS_APPROX(m, refMat_sum);
 | |
|     VERIFY_IS_EQUAL(m.innerIndicesAreSorted(), m.outerSize());
 | |
|     VERIFY(m.isCompressed());
 | |
|     m.insertFromSortedTriplets(moreTriplets.begin(), moreTriplets.end());
 | |
|     VERIFY_IS_APPROX(m, refMat_sum_more);
 | |
|     VERIFY_IS_EQUAL(m.innerIndicesAreSorted(), m.outerSize());
 | |
| 
 | |
|     m.setFromSortedTriplets(triplets.begin(), triplets.end(), std::multiplies<Scalar>());
 | |
|     VERIFY_IS_APPROX(m, refMat_prod);
 | |
|     VERIFY_IS_EQUAL(m.innerIndicesAreSorted(), m.outerSize());
 | |
|     VERIFY(m.isCompressed());
 | |
|     m.insertFromSortedTriplets(moreTriplets.begin(), moreTriplets.end(), std::multiplies<Scalar>());
 | |
|     VERIFY_IS_APPROX(m, refMat_prod_more);
 | |
|     VERIFY_IS_EQUAL(m.innerIndicesAreSorted(), m.outerSize());
 | |
| 
 | |
|     m.setFromSortedTriplets(triplets.begin(), triplets.end(), [](Scalar, Scalar b) { return b; });
 | |
|     VERIFY_IS_APPROX(m, refMat_last);
 | |
|     VERIFY_IS_EQUAL(m.innerIndicesAreSorted(), m.outerSize());
 | |
|     VERIFY(m.isCompressed());
 | |
|     m.insertFromSortedTriplets(moreTriplets.begin(), moreTriplets.end(), [](Scalar, Scalar b) { return b; });
 | |
|     VERIFY_IS_APPROX(m, refMat_last_more);
 | |
|     VERIFY_IS_EQUAL(m.innerIndicesAreSorted(), m.outerSize());
 | |
| 
 | |
|     // insert into an uncompressed matrix
 | |
| 
 | |
|     m.setFromSortedTriplets(triplets.begin(), triplets.end());
 | |
|     m.reserve(reserveSizes);
 | |
|     VERIFY(!m.isCompressed());
 | |
|     m.insertFromSortedTriplets(moreTriplets.begin(), moreTriplets.end());
 | |
|     VERIFY_IS_APPROX(m, refMat_sum_more);
 | |
|     VERIFY_IS_EQUAL(m.innerIndicesAreSorted(), m.outerSize());
 | |
| 
 | |
|     m.setFromSortedTriplets(triplets.begin(), triplets.end(), std::multiplies<Scalar>());
 | |
|     m.reserve(reserveSizes);
 | |
|     VERIFY(!m.isCompressed());
 | |
|     m.insertFromSortedTriplets(moreTriplets.begin(), moreTriplets.end(), std::multiplies<Scalar>());
 | |
|     VERIFY_IS_APPROX(m, refMat_prod_more);
 | |
|     VERIFY_IS_EQUAL(m.innerIndicesAreSorted(), m.outerSize());
 | |
| 
 | |
|     m.setFromSortedTriplets(triplets.begin(), triplets.end(), [](Scalar, Scalar b) { return b; });
 | |
|     m.reserve(reserveSizes);
 | |
|     VERIFY(!m.isCompressed());
 | |
|     m.insertFromSortedTriplets(moreTriplets.begin(), moreTriplets.end(), [](Scalar, Scalar b) { return b; });
 | |
|     VERIFY_IS_APPROX(m, refMat_last_more);
 | |
|     VERIFY_IS_EQUAL(m.innerIndicesAreSorted(), m.outerSize());
 | |
|   }
 | |
| 
 | |
|   // test Map
 | |
|   {
 | |
|     DenseMatrix refMat2(rows, cols), refMat3(rows, cols);
 | |
|     SparseMatrixType m2(rows, cols), m3(rows, cols);
 | |
|     initSparse<Scalar>(density, refMat2, m2);
 | |
|     initSparse<Scalar>(density, refMat3, m3);
 | |
|     {
 | |
|       Map<SparseMatrixType> mapMat2(m2.rows(), m2.cols(), m2.nonZeros(), m2.outerIndexPtr(), m2.innerIndexPtr(),
 | |
|                                     m2.valuePtr(), m2.innerNonZeroPtr());
 | |
|       Map<SparseMatrixType> mapMat3(m3.rows(), m3.cols(), m3.nonZeros(), m3.outerIndexPtr(), m3.innerIndexPtr(),
 | |
|                                     m3.valuePtr(), m3.innerNonZeroPtr());
 | |
|       VERIFY_IS_APPROX(mapMat2 + mapMat3, refMat2 + refMat3);
 | |
|       VERIFY_IS_APPROX(mapMat2 + mapMat3, refMat2 + refMat3);
 | |
|     }
 | |
| 
 | |
|     Index i = internal::random<Index>(0, rows - 1);
 | |
|     Index j = internal::random<Index>(0, cols - 1);
 | |
|     m2.coeffRef(i, j) = 123;
 | |
|     if (internal::random<bool>()) m2.makeCompressed();
 | |
|     Map<SparseMatrixType> mapMat2(rows, cols, m2.nonZeros(), m2.outerIndexPtr(), m2.innerIndexPtr(), m2.valuePtr(),
 | |
|                                   m2.innerNonZeroPtr());
 | |
|     VERIFY_IS_EQUAL(m2.coeff(i, j), Scalar(123));
 | |
|     VERIFY_IS_EQUAL(mapMat2.coeff(i, j), Scalar(123));
 | |
|     mapMat2.coeffRef(i, j) = -123;
 | |
|     VERIFY_IS_EQUAL(m2.coeff(i, j), Scalar(-123));
 | |
|   }
 | |
| 
 | |
|   // test triangularView
 | |
|   {
 | |
|     DenseMatrix refMat2(rows, cols), refMat3(rows, cols);
 | |
|     SparseMatrixType m2(rows, cols), m3(rows, cols);
 | |
|     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);
 | |
| 
 | |
|     // check sparse-triangular to dense
 | |
|     refMat3 = m2.template triangularView<StrictlyUpper>();
 | |
|     VERIFY_IS_APPROX(refMat3, DenseMatrix(refMat2.template triangularView<StrictlyUpper>()));
 | |
| 
 | |
|     // check sparse triangular view iteration-based evaluation
 | |
|     m2.setZero();
 | |
|     VERIFY_IS_CWISE_EQUAL(m2.template triangularView<UnitLower>().toDense(), DenseMatrix::Identity(rows, cols));
 | |
|     VERIFY_IS_CWISE_EQUAL(m2.template triangularView<UnitUpper>().toDense(), DenseMatrix::Identity(rows, cols));
 | |
|   }
 | |
| 
 | |
|   // 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);
 | |
| 
 | |
|     refMat3 += refMat2.template selfadjointView<Lower>();
 | |
|     m3 += m2.template selfadjointView<Lower>();
 | |
|     VERIFY_IS_APPROX(m3, refMat3);
 | |
| 
 | |
|     refMat3 -= refMat2.template selfadjointView<Lower>();
 | |
|     m3 -= m2.template selfadjointView<Lower>();
 | |
|     VERIFY_IS_APPROX(m3, refMat3);
 | |
| 
 | |
|     // selfadjointView only works for square matrices:
 | |
|     SparseMatrixType m4(rows, rows + 1);
 | |
|     VERIFY_RAISES_ASSERT(m4.template selfadjointView<Lower>());
 | |
|     VERIFY_RAISES_ASSERT(m4.template selfadjointView<Upper>());
 | |
|   }
 | |
| 
 | |
|   // 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());
 | |
| 
 | |
|     // sparse view on expressions:
 | |
|     VERIFY_IS_APPROX((s1 * m2).eval(), (s1 * refMat2).sparseView().eval());
 | |
|     VERIFY_IS_APPROX((m2 + m2).eval(), (refMat2 + refMat2).sparseView().eval());
 | |
|     VERIFY_IS_APPROX((m2 * m2).eval(), (refMat2.lazyProduct(refMat2)).sparseView().eval());
 | |
|     VERIFY_IS_APPROX((m2 * m2).eval(), (refMat2 * refMat2).sparseView().eval());
 | |
|   }
 | |
| 
 | |
|   // test diagonal
 | |
|   {
 | |
|     DenseMatrix refMat2 = DenseMatrix::Zero(rows, cols);
 | |
|     SparseMatrixType m2(rows, cols);
 | |
|     initSparse<Scalar>(density, refMat2, m2);
 | |
|     VERIFY_IS_APPROX(m2.diagonal(), refMat2.diagonal().eval());
 | |
|     DenseVector d = m2.diagonal();
 | |
|     VERIFY_IS_APPROX(d, refMat2.diagonal().eval());
 | |
|     d = m2.diagonal().array();
 | |
|     VERIFY_IS_APPROX(d, refMat2.diagonal().eval());
 | |
|     VERIFY_IS_APPROX(const_cast<const SparseMatrixType&>(m2).diagonal(), refMat2.diagonal().eval());
 | |
| 
 | |
|     initSparse<Scalar>(density, refMat2, m2, ForceNonZeroDiag);
 | |
|     m2.diagonal() += refMat2.diagonal();
 | |
|     refMat2.diagonal() += refMat2.diagonal();
 | |
|     VERIFY_IS_APPROX(m2, refMat2);
 | |
|   }
 | |
| 
 | |
|   // test diagonal to sparse
 | |
|   {
 | |
|     DenseVector d = DenseVector::Random(rows);
 | |
|     DenseMatrix refMat2 = d.asDiagonal();
 | |
|     SparseMatrixType m2;
 | |
|     m2 = d.asDiagonal();
 | |
|     VERIFY_IS_APPROX(m2, refMat2);
 | |
|     SparseMatrixType m3(d.asDiagonal());
 | |
|     VERIFY_IS_APPROX(m3, refMat2);
 | |
|     refMat2 += d.asDiagonal();
 | |
|     m2 += d.asDiagonal();
 | |
|     VERIFY_IS_APPROX(m2, refMat2);
 | |
|     m2.setZero();
 | |
|     m2 += d.asDiagonal();
 | |
|     refMat2.setZero();
 | |
|     refMat2 += d.asDiagonal();
 | |
|     VERIFY_IS_APPROX(m2, refMat2);
 | |
|     m2.setZero();
 | |
|     m2 -= d.asDiagonal();
 | |
|     refMat2.setZero();
 | |
|     refMat2 -= d.asDiagonal();
 | |
|     VERIFY_IS_APPROX(m2, refMat2);
 | |
| 
 | |
|     initSparse<Scalar>(density, refMat2, m2);
 | |
|     m2.makeCompressed();
 | |
|     m2 += d.asDiagonal();
 | |
|     refMat2 += d.asDiagonal();
 | |
|     VERIFY_IS_APPROX(m2, refMat2);
 | |
| 
 | |
|     initSparse<Scalar>(density, refMat2, m2);
 | |
|     m2.makeCompressed();
 | |
|     VectorXi res(rows);
 | |
|     for (Index i = 0; i < rows; ++i) res(i) = internal::random<int>(0, 3);
 | |
|     m2.reserve(res);
 | |
|     m2 -= d.asDiagonal();
 | |
|     refMat2 -= d.asDiagonal();
 | |
|     VERIFY_IS_APPROX(m2, refMat2);
 | |
|   }
 | |
| 
 | |
|   // test conservative resize
 | |
|   {
 | |
|     std::vector<std::pair<StorageIndex, StorageIndex>> inc;
 | |
|     if (rows > 3 && cols > 2) inc.push_back(std::pair<StorageIndex, StorageIndex>(-3, -2));
 | |
|     inc.push_back(std::pair<StorageIndex, StorageIndex>(0, 0));
 | |
|     inc.push_back(std::pair<StorageIndex, StorageIndex>(3, 2));
 | |
|     inc.push_back(std::pair<StorageIndex, StorageIndex>(3, 0));
 | |
|     inc.push_back(std::pair<StorageIndex, StorageIndex>(0, 3));
 | |
|     inc.push_back(std::pair<StorageIndex, StorageIndex>(0, -1));
 | |
|     inc.push_back(std::pair<StorageIndex, StorageIndex>(-1, 0));
 | |
|     inc.push_back(std::pair<StorageIndex, StorageIndex>(-1, -1));
 | |
| 
 | |
|     for (size_t i = 0; i < inc.size(); i++) {
 | |
|       StorageIndex incRows = inc[i].first;
 | |
|       StorageIndex incCols = inc[i].second;
 | |
|       SparseMatrixType m1(rows, cols);
 | |
|       DenseMatrix refMat1 = DenseMatrix::Zero(rows, cols);
 | |
|       initSparse<Scalar>(density, refMat1, m1);
 | |
| 
 | |
|       SparseMatrixType m2 = m1;
 | |
|       m2.makeCompressed();
 | |
| 
 | |
|       m1.conservativeResize(rows + incRows, cols + incCols);
 | |
|       m2.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);
 | |
|       VERIFY_IS_APPROX(m2, 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);
 | |
|     for (int k = 0; k < rows * rows / 4; ++k) {
 | |
|       Index i = internal::random<Index>(0, rows - 1);
 | |
|       Index j = internal::random<Index>(0, rows - 1);
 | |
|       Scalar v = internal::random<Scalar>();
 | |
|       m1.coeffRef(i, j) = v;
 | |
|       refMat1.coeffRef(i, j) = v;
 | |
|       VERIFY_IS_APPROX(m1, refMat1);
 | |
|       if (internal::random<Index>(0, 10) < 2) m1.makeCompressed();
 | |
|     }
 | |
|     m1.setIdentity();
 | |
|     refMat1.setIdentity();
 | |
|     VERIFY_IS_APPROX(m1, refMat1);
 | |
|   }
 | |
| 
 | |
|   // test array/vector of InnerIterator
 | |
|   {
 | |
|     typedef typename SparseMatrixType::InnerIterator IteratorType;
 | |
| 
 | |
|     DenseMatrix refMat2 = DenseMatrix::Zero(rows, cols);
 | |
|     SparseMatrixType m2(rows, cols);
 | |
|     initSparse<Scalar>(density, refMat2, m2);
 | |
|     IteratorType static_array[2];
 | |
|     static_array[0] = IteratorType(m2, 0);
 | |
|     static_array[1] = IteratorType(m2, m2.outerSize() - 1);
 | |
|     VERIFY(static_array[0] || m2.innerVector(static_array[0].outer()).nonZeros() == 0);
 | |
|     VERIFY(static_array[1] || m2.innerVector(static_array[1].outer()).nonZeros() == 0);
 | |
|     if (static_array[0] && static_array[1]) {
 | |
|       ++(static_array[1]);
 | |
|       static_array[1] = IteratorType(m2, 0);
 | |
|       VERIFY(static_array[1]);
 | |
|       VERIFY(static_array[1].index() == static_array[0].index());
 | |
|       VERIFY(static_array[1].outer() == static_array[0].outer());
 | |
|       VERIFY(static_array[1].value() == static_array[0].value());
 | |
|     }
 | |
| 
 | |
|     std::vector<IteratorType> iters(2);
 | |
|     iters[0] = IteratorType(m2, 0);
 | |
|     iters[1] = IteratorType(m2, m2.outerSize() - 1);
 | |
|   }
 | |
| 
 | |
|   // test reserve with empty rows/columns
 | |
|   {
 | |
|     SparseMatrixType m1(0, cols);
 | |
|     m1.reserve(ArrayXi::Constant(m1.outerSize(), 1));
 | |
|     SparseMatrixType m2(rows, 0);
 | |
|     m2.reserve(ArrayXi::Constant(m2.outerSize(), 1));
 | |
|   }
 | |
| }
 | |
| 
 | |
| template <typename SparseMatrixType>
 | |
| void big_sparse_triplet(Index rows, Index cols, double density) {
 | |
|   typedef typename SparseMatrixType::StorageIndex StorageIndex;
 | |
|   typedef typename SparseMatrixType::Scalar Scalar;
 | |
|   typedef Triplet<Scalar, Index> TripletType;
 | |
|   std::vector<TripletType> triplets;
 | |
|   double nelements = density * static_cast<double>(rows * cols);
 | |
|   VERIFY(nelements >= 0 && nelements < static_cast<double>(NumTraits<StorageIndex>::highest()));
 | |
|   Index ntriplets = Index(nelements);
 | |
|   triplets.reserve(ntriplets);
 | |
|   Scalar sum = Scalar(0);
 | |
|   for (Index i = 0; i < ntriplets; ++i) {
 | |
|     Index r = internal::random<Index>(0, rows - 1);
 | |
|     Index c = internal::random<Index>(0, cols - 1);
 | |
|     // use positive values to prevent numerical cancellation errors in sum
 | |
|     Scalar v = numext::abs(internal::random<Scalar>());
 | |
|     triplets.push_back(TripletType(r, c, v));
 | |
|     sum += v;
 | |
|   }
 | |
|   SparseMatrixType m(rows, cols);
 | |
|   m.setFromTriplets(triplets.begin(), triplets.end());
 | |
|   VERIFY(m.nonZeros() <= ntriplets);
 | |
|   VERIFY_IS_APPROX(sum, m.sum());
 | |
| }
 | |
| 
 | |
| template <int>
 | |
| void bug1105() {
 | |
|   // Regression test for bug 1105
 | |
|   int n = Eigen::internal::random<int>(200, 600);
 | |
|   SparseMatrix<std::complex<double>, 0, long> mat(n, n);
 | |
|   std::complex<double> val;
 | |
| 
 | |
|   for (int i = 0; i < n; ++i) {
 | |
|     mat.coeffRef(i, i % (n / 10)) = val;
 | |
|     VERIFY(mat.data().allocatedSize() < 20 * n);
 | |
|   }
 | |
| }
 | |
| 
 | |
| #ifndef EIGEN_SPARSE_TEST_INCLUDED_FROM_SPARSE_EXTRA
 | |
| 
 | |
| EIGEN_DECLARE_TEST(sparse_basic) {
 | |
|   g_dense_op_sparse_count = 0;  // Suppresses compiler warning.
 | |
|   for (int i = 0; i < g_repeat; i++) {
 | |
|     int r = Eigen::internal::random<int>(1, 200), c = Eigen::internal::random<int>(1, 200);
 | |
|     if (Eigen::internal::random<int>(0, 4) == 0) {
 | |
|       r = c;  // check square matrices in 25% of tries
 | |
|     }
 | |
|     EIGEN_UNUSED_VARIABLE(r + c);
 | |
|     CALL_SUBTEST_1((sparse_basic(SparseMatrix<double>(1, 1))));
 | |
|     CALL_SUBTEST_1((sparse_basic(SparseMatrix<double>(8, 8))));
 | |
|     CALL_SUBTEST_2((sparse_basic(SparseMatrix<std::complex<double>, ColMajor>(r, c))));
 | |
|     CALL_SUBTEST_2((sparse_basic(SparseMatrix<std::complex<double>, RowMajor>(r, c))));
 | |
|     CALL_SUBTEST_2((sparse_basic(SparseMatrix<float, RowMajor>(r, c))));
 | |
|     CALL_SUBTEST_2((sparse_basic(SparseMatrix<float, ColMajor>(r, c))));
 | |
|     CALL_SUBTEST_3((sparse_basic(SparseMatrix<double, ColMajor>(r, c))));
 | |
|     CALL_SUBTEST_3((sparse_basic(SparseMatrix<double, RowMajor>(r, c))));
 | |
|     CALL_SUBTEST_4((sparse_basic(SparseMatrix<double, ColMajor, long int>(r, c))));
 | |
|     CALL_SUBTEST_4((sparse_basic(SparseMatrix<double, RowMajor, long int>(r, c))));
 | |
| 
 | |
|     r = Eigen::internal::random<int>(1, 100);
 | |
|     c = Eigen::internal::random<int>(1, 100);
 | |
|     if (Eigen::internal::random<int>(0, 4) == 0) {
 | |
|       r = c;  // check square matrices in 25% of tries
 | |
|     }
 | |
| 
 | |
|     CALL_SUBTEST_5((sparse_basic(SparseMatrix<double, ColMajor, short int>(short(r), short(c)))));
 | |
|     CALL_SUBTEST_5((sparse_basic(SparseMatrix<double, RowMajor, short int>(short(r), short(c)))));
 | |
|   }
 | |
| 
 | |
|   // Regression test for bug 900: (manually insert higher values here, if you have enough RAM):
 | |
|   CALL_SUBTEST_5((big_sparse_triplet<SparseMatrix<float, RowMajor, int>>(10000, 10000, 0.125)));
 | |
|   CALL_SUBTEST_5((big_sparse_triplet<SparseMatrix<double, ColMajor, long int>>(10000, 10000, 0.125)));
 | |
| 
 | |
|   CALL_SUBTEST_5(bug1105<0>());
 | |
| }
 | |
| #endif
 | 
