File: tut_arithmetic_add_sub.cpp

package info (click to toggle)
eigen3 3.4.0-5
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 20,492 kB
  • sloc: cpp: 151,572; ansic: 75,396; fortran: 24,137; sh: 971; python: 244; javascript: 205; makefile: 42
file content (22 lines) | stat: -rw-r--r-- 471 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
#include <iostream>
#include <Eigen/Dense>

using namespace Eigen;

int main()
{
  Matrix2d a;
  a << 1, 2,
       3, 4;
  MatrixXd b(2,2);
  b << 2, 3,
       1, 4;
  std::cout << "a + b =\n" << a + b << std::endl;
  std::cout << "a - b =\n" << a - b << std::endl;
  std::cout << "Doing a += b;" << std::endl;
  a += b;
  std::cout << "Now a =\n" << a << std::endl;
  Vector3d v(1,2,3);
  Vector3d w(1,0,0);
  std::cout << "-v + w - v =\n" << -v + w - v << std::endl;
}