devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

add support for ublas

Browse Source
This commit is contained in:
Gael Guennebaud
2011-03-23 11:39:35 +01:00
parent ec32d2c807
commit 611fc17894
4 changed files with 70 additions and 65 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
bench/BenchSparseUtil.h
View File

@@ -26,7 +26,7 @@ typedef SparseMatrix<Scalar> EigenSparseMatrix;
void fillMatrix(float density, int rows, int cols, EigenSparseMatrix& dst)
{
dst.reserve(rows*cols*density);
dst.reserve(double(rows)*cols*density);
for(int j = 0; j < cols; j++)
{
for(int i = 0; i < rows; i++)
@@ -122,22 +122,24 @@ void eiToCSparse(const EigenSparseMatrix& src, cs* &dst)
#include <boost/numeric/ublas/matrix_sparse.hpp>
#include <boost/numeric/ublas/vector_of_vector.hpp>
#include <boost/numeric/ublas/operation.hpp>
// #include <boost/numeric/ublas/sparse_prod.hpp>
// using namespace boost;
// using namespace boost::numeric;
// using namespace boost::numeric::ublas;
typedef boost::numeric::ublas::compressed_matrix<Scalar,boost::numeric::ublas::column_major> UBlasSparse;
typedef boost::numeric::ublas::compressed_matrix<Scalar,boost::numeric::ublas::column_major> UblasMatrix;
void eiToUblas(const EigenSparseMatrix& src, UblasMatrix& dst)
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