Bugzilla – Attachment 347 Details for
Bug 614
Matrix power segfaults
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This bugzilla service is closed. All entries have been migrated to
https://gitlab.com/libeigen/eigen
Matrix power segfaults for trivial 2x2 matrix.
matrix_power.cc (text/x-c++src), 606 bytes, created by
Dale Lukas Peterson
on 2013-06-13 20:21:03 UTC
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Description:
Matrix power segfaults for trivial 2x2 matrix.
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Creator:
Dale Lukas Peterson
Created:
2013-06-13 20:21:03 UTC
Size:
606 bytes
patch
obsolete
>// Compiled with: >// >// $ g++ -Wall matrix_power.cc -O2 -ggdb3 -I/home/hazelnusse/usr/include/eigen3 -o matrix_power >// >#include <iostream> >#include <Eigen/Dense> >#include <unsupported/Eigen/MatrixFunctions> >int main() >{ > Eigen::MatrixXcd A(2,2); > A << 1, 1, 4, -2; > // Fine: > // std::cout << A.pow(1.0) << "\n"; > > // Segfaults: >// Eigen::MatrixPower<Eigen::MatrixXcd> Apow(A); >// Eigen::MatrixXcd C = Apow(3.1); > > // Segfaults: > std::cout << A.pow(3.1) << "\n\n"; > > // Segfaults: > //std::cout << A.pow(3.1).eval() << "\n\n"; > > // Segfaults: > //Eigen::MatrixXcd B(2,2); > //B = A.pow(3.1); >} >
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