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