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get rid of using namespace Eigen in sample code

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This commit is contained in:
Erik Schultheis
2021-12-07 19:57:38 +00:00
committed by Rasmus Munk Larsen
parent e4c40b092a
commit 39a6aff16c
58 changed files with 274 additions and 399 deletions
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10
doc/examples/TemplateKeyword_flexible.cpp
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@@ -1,19 +1,17 @@
#include <Eigen/Dense>
#include <iostream>
using namespace Eigen;
template <typename Derived1, typename Derived2>
void copyUpperTriangularPart(MatrixBase<Derived1>& dst, const MatrixBase<Derived2>& src)
void copyUpperTriangularPart(Eigen::MatrixBase<Derived1>& dst, const Eigen::MatrixBase<Derived2>& src)
{
/* Note the 'template' keywords in the following line! */
dst.template triangularView<Upper>() = src.template triangularView<Upper>();
dst.template triangularView<Eigen::Upper>() = src.template triangularView<Eigen::Upper>();
}
int main()
{
MatrixXi m1 = MatrixXi::Ones(5,5);
MatrixXi m2 = MatrixXi::Random(4,4);
Eigen::MatrixXi m1 = Eigen::MatrixXi::Ones(5,5);
Eigen::MatrixXi m2 = Eigen::MatrixXi::Random(4,4);
std::cout << "m2 before copy:" << std::endl;
std::cout << m2 << std::endl << std::endl;
copyUpperTriangularPart(m2, m1.topLeftCorner(4,4));