get rid of using namespace Eigen in sample code

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

View File

@@ -1,18 +1,15 @@
#include <Eigen/Dense>
#include <iostream>
using namespace std;
using namespace Eigen;
int main()
{
Array22f m;
Eigen::Array22f m;
m << 1,2,
3,4;
Array44f a = Array44f::Constant(0.6);
cout << "Here is the array a:" << endl << a << endl << endl;
Eigen::Array44f a = Eigen::Array44f::Constant(0.6);
std::cout << "Here is the array a:\n" << a << "\n\n";
a.block<2,2>(1,1) = m;
cout << "Here is now a with m copied into its central 2x2 block:" << endl << a << endl << endl;
std::cout << "Here is now a with m copied into its central 2x2 block:\n" << a << "\n\n";
a.block(0,0,2,3) = a.block(2,1,2,3);
cout << "Here is now a with bottom-right 2x3 block copied into top-left 2x3 block:" << endl << a << endl << endl;
std::cout << "Here is now a with bottom-right 2x3 block copied into top-left 2x3 block:\n" << a << "\n\n";
}