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Hello,
Here is the code which compiles fine with MSVC 2010, ICC 11, 12, 13 but 13.1 with latest update 5 chokes on it:
#include <Eigen/SparseQR>
using namespace Eigen;
int main() {
typedef Eigen::SparseMatrix< double > SparseDoubleMatrix;
SparseQR< SparseDoubleMatrix, COLAMDOrdering<int> > solver;
SparseDoubleMatrix A(10,10); // Just dummy matrix for now (I know how to use SparseMatrices properly :))
solver.compute(A);
}
See this thread for more information: http://forum.kde.org/viewtopic.php?f=74&t=112254&p=289884
My system is Windows 7 64-bit, Intel C++ integrated into MSVC2010.
Overall last update seems to have some imperfections. The most painful among other issues - multi-processor compilation (/MP) doesn't work anymore (before update 5 it worked just fine on the same project).
How I can roll back to previous update?
Thank you,
Pavel.
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@ Did you verify SparseQR why class Eigen::BlockImpl does not have any longer the C++ operator =?
Of course, class Eigen::BlockImpl has "operator=" implemented. Other compilers have no problem with compiling the same code - MSVC2010, gcc and even ICC for Linux.
The only compiler complaing about non-existent "operator=" (which is in fact implemented) - ICC for Windows.
This is very unfortunate since Eigen is one of the most used C++ libraries for matrix cdomputrations (code comes from it).
Any ideas when this case will be investigated and bug fix issued (if any)?
Thank you,
Pavel.
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