Files
FastDeploy/third_party/eigen/doc/examples/class_CwiseUnaryOp.cpp
Jack Zhou 355382ad63 Move eigen to third party (#282)
* remove useless statement

* Add eigen to third_party dir

* remove reducdant lines
2022-09-26 19:24:02 +08:00

23 lines
587 B
C++

#include <Eigen/Core>
#include <iostream>
using namespace Eigen;
using namespace std;
// define a custom template unary functor
template <typename Scalar>
struct CwiseClampOp {
CwiseClampOp(const Scalar& inf, const Scalar& sup) : m_inf(inf), m_sup(sup) {}
const Scalar operator()(const Scalar& x) const {
return x < m_inf ? m_inf : (x > m_sup ? m_sup : x);
}
Scalar m_inf, m_sup;
};
int main(int, char**) {
Matrix4d m1 = Matrix4d::Random();
cout << m1 << endl
<< "becomes: " << endl
<< m1.unaryExpr(CwiseClampOp<double>(-0.5, 0.5)) << endl;
return 0;
}