Attachment 566 Details for Bug 1005 – Repro code

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Repro code

eigen_sparse_bug.cpp (text/x-c++src), 1.03 KB, created by Benjamin Chretien on 2015-04-27 04:15:26 UTC

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Creator: Benjamin Chretien

Created: 2015-04-27 04:15:26 UTC

Size: 1.03 KB

patch

obsolete

>#include <Eigen/Sparse>
>#include <iostream>
>
>using namespace Eigen;
>
>typedef SparseMatrix<double> sparseMatrix_t;
>typedef SparseVector<double> sparseVector_t;
>
>typedef MatrixXd denseMatrix_t;
>typedef VectorXd denseVector_t;
>
>int main(int argc, char *argv[])
>{
>  IOFormat ioformat = IOFormat (StreamPrecision,
>                                DontAlignCols,
>                                ",", ",", "", "", "(", ")");
>  ioformat.rowSpacer = "";
>
>  sparseMatrix_t m1 (1, 2);
>  m1.insert (0, 0) = 1.;
>  m1.insert (0, 1) = 2.;
>
>  sparseMatrix_t m2 (2, 1);
>  m2.insert (0, 0) = 1.;
>  m2.insert (1, 0) = 2.;
>
>  sparseVector_t v (2);
>  v.insert (0) = 1.;
>  v.insert (1) = 2.;
>
>  std::cout << denseMatrix_t (m1).format (ioformat) << std::endl;
>  std::cout << denseMatrix_t (m2).format (ioformat) << std::endl;
>  std::cout << denseVector_t (v).format (ioformat) << std::endl;
>
>  v += m1.transpose ();
>  std::cout << denseVector_t (v).format (ioformat) << std::endl;
>
>  v += m2;
>  std::cout << denseVector_t (v).format (ioformat) << std::endl;
>
>  return 0;
>}
>

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