| // SPDX-FileCopyrightText: The Eigen Authors |
| // SPDX-License-Identifier: MPL-2.0 |
| |
| #include <Eigen/Core> |
| #include <iostream> |
| |
| // 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**) { |
| Eigen::Matrix4d m1 = Eigen::Matrix4d::Random(); |
| std::cout << m1 << std::endl |
| << "becomes: " << std::endl |
| << m1.unaryExpr(CwiseClampOp<double>(-0.5, 0.5)) << std::endl; |
| return 0; |
| } |
