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#include <Eigen/Sparse> |
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#include <bench/BenchTimer.h> |
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#include <set> |
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using namespace std; |
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using namespace Eigen; |
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using namespace Eigen; |
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#ifndef SIZE |
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#define SIZE 1024 |
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#endif |
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#ifndef DENSITY |
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#define DENSITY 0.01 |
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#endif |
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#ifndef SCALAR |
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#define SCALAR double |
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#endif |
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typedef SCALAR Scalar; |
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typedef Matrix<Scalar,Dynamic,Dynamic> DenseMatrix; |
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typedef Matrix<Scalar,Dynamic,1> DenseVector; |
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typedef SparseMatrix<Scalar> EigenSparseMatrix; |
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void fillMatrix(float density, int rows, int cols, EigenSparseMatrix& dst) |
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{ |
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dst.reserve(double(rows)*cols*density); |
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for(int j = 0; j < cols; j++) |
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{ |
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for(int i = 0; i < rows; i++) |
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{ |
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Scalar v = (internal::random<float>(0,1) < density) ? internal::random<Scalar>() : 0; |
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if (v!=0) |
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dst.insert(i,j) = v; |
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} |
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} |
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dst.finalize(); |
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} |
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void fillMatrix2(int nnzPerCol, int rows, int cols, EigenSparseMatrix& dst) |
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{ |
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dst.reserve(nnzPerCol*cols); |
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for(int j = 0; j < cols; j++) |
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{ |
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std::set<int> aux; |
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for(int i = 0; i < nnzPerCol; i++) |
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{ |
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int k = internal::random<int>(0,rows-1); |
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while (aux.find(k)!=aux.end()) |
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k = internal::random<int>(0,rows-1); |
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aux.insert(k); |
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dst.insert(k,j) = internal::random<Scalar>(); |
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} |
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} |
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dst.finalize(); |
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} |
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void eiToDense(const EigenSparseMatrix& src, DenseMatrix& dst) |
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{ |
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dst.setZero(); |
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for (int j=0; j<src.cols(); ++j) |
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for (EigenSparseMatrix::InnerIterator it(src.derived(), j); it; ++it) |
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dst(it.index(),j) = it.value(); |
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} |
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#ifndef NOGMM |
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#include "gmm/gmm.h" |
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typedef gmm::csc_matrix<Scalar> GmmSparse; |
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typedef gmm::col_matrix< gmm::wsvector<Scalar> > GmmDynSparse; |
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void eiToGmm(const EigenSparseMatrix& src, GmmSparse& dst) |
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{ |
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GmmDynSparse tmp(src.rows(), src.cols()); |
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for (int j=0; j<src.cols(); ++j) |
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for (EigenSparseMatrix::InnerIterator it(src.derived(), j); it; ++it) |
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tmp(it.index(),j) = it.value(); |
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gmm::copy(tmp, dst); |
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} |
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#endif |
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#ifndef NOMTL |
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#include <boost/numeric/mtl/mtl.hpp> |
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typedef mtl::compressed2D<Scalar, mtl::matrix::parameters<mtl::tag::col_major> > MtlSparse; |
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typedef mtl::compressed2D<Scalar, mtl::matrix::parameters<mtl::tag::row_major> > MtlSparseRowMajor; |
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void eiToMtl(const EigenSparseMatrix& src, MtlSparse& dst) |
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{ |
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mtl::matrix::inserter<MtlSparse> ins(dst); |
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for (int j=0; j<src.cols(); ++j) |
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for (EigenSparseMatrix::InnerIterator it(src.derived(), j); it; ++it) |
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ins[it.index()][j] = it.value(); |
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} |
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#endif |
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#ifdef CSPARSE |
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extern "C" { |
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#include "cs.h" |
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} |
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void eiToCSparse(const EigenSparseMatrix& src, cs* &dst) |
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{ |
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cs* aux = cs_spalloc (0, 0, 1, 1, 1); |
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for (int j=0; j<src.cols(); ++j) |
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for (EigenSparseMatrix::InnerIterator it(src.derived(), j); it; ++it) |
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if (!cs_entry(aux, it.index(), j, it.value())) |
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{ |
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std::cout << "cs_entry error\n"; |
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exit(2); |
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} |
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dst = cs_compress(aux); |
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} |
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#endif |
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#ifndef NOUBLAS |
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#include <boost/numeric/ublas/vector.hpp> |
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#include <boost/numeric/ublas/matrix.hpp> |
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#include <boost/numeric/ublas/io.hpp> |
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#include <boost/numeric/ublas/triangular.hpp> |
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#include <boost/numeric/ublas/vector_sparse.hpp> |
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#include <boost/numeric/ublas/matrix_sparse.hpp> |
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#include <boost/numeric/ublas/vector_of_vector.hpp> |
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#include <boost/numeric/ublas/operation.hpp> |
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typedef boost::numeric::ublas::compressed_matrix<Scalar,boost::numeric::ublas::column_major> UBlasSparse; |
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void eiToUblas(const EigenSparseMatrix& src, UBlasSparse& dst) |
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{ |
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dst.resize(src.rows(), src.cols(), false); |
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for (int j=0; j<src.cols(); ++j) |
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for (EigenSparseMatrix::InnerIterator it(src.derived(), j); it; ++it) |
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dst(it.index(),j) = it.value(); |
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} |
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template <typename EigenType, typename UblasType> |
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void eiToUblasVec(const EigenType& src, UblasType& dst) |
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{ |
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dst.resize(src.size()); |
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for (int j=0; j<src.size(); ++j) |
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dst[j] = src.coeff(j); |
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} |
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#endif |
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#ifdef OSKI |
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extern "C" { |
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#include <oski/oski.h> |
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} |
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#endif |
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