eigen/doc/example.cpp

31 lines
479 B
C++

#include "../src/Core.h"
USING_EIGEN_DATA_TYPES
using namespace std;
template<typename Scalar, typename Derived>
void foo(const Eigen::Object<Scalar, Derived>& m)
{
cout << "Here's m:" << endl << m << endl;
}
template<typename Scalar, typename Derived>
Eigen::ScalarMultiple<Derived>
twice(const Eigen::Object<Scalar, Derived>& m)
{
return 2 * m;
}
int main(int, char**)
{
Matrix2d m;
m(0,0)= 1;
m(1,0)= 2;
m(0,1)= 3;
m(1,1)= 4;
foo(m);
foo(twice(m));
return 0;
}