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#include <Eigen/Dense>
#include <iostream>
using namespace StormEigen;
template <typename Derived1, typename Derived2> void copyUpperTriangularPart(MatrixBase<Derived1>& dst, const MatrixBase<Derived2>& src) { /* Note the 'template' keywords in the following line! */ dst.template triangularView<Upper>() = src.template triangularView<Upper>(); }
int main() { MatrixXi m1 = MatrixXi::Ones(5,5); MatrixXi m2 = MatrixXi::Random(4,4); std::cout << "m2 before copy:" << std::endl; std::cout << m2 << std::endl << std::endl; copyUpperTriangularPart(m2, m1.topLeftCorner(4,4)); std::cout << "m2 after copy:" << std::endl; std::cout << m2 << std::endl << std::endl; }
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