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