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| #include <Eigen/Core>
| #include <iostream>
| using namespace Eigen;
| using namespace std;
|
| // define function to be applied coefficient-wise
| double ramp(double x)
| {
| if (x > 0)
| return x;
| else
| return 0;
| }
|
| int main(int, char**)
| {
| Matrix4d m1 = Matrix4d::Random();
| cout << m1 << endl << "becomes: " << endl << m1.unaryExpr(ptr_fun(ramp)) << endl;
| return 0;
| }
|
|
