SliceOperator.h

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#ifndef SLICEOPERATOR_H
#define SLICEOPERATOR_H
 
#include "MUQ/Modeling/LinearAlgebra/LinearOperator.h"
 
 
namespace muq
{
namespace Modeling
{
 
    class SliceOperator : public LinearOperator
    {
    public:
        SliceOperator(unsigned int vecSize,
                      int startIndIn,
                      int endIndIn,
                      int skipIn=1);
 
        virtual ~SliceOperator() = default;
 
        virtual Eigen::MatrixXd Apply(Eigen::Ref<const Eigen::MatrixXd> const& x) override;
 
        virtual Eigen::MatrixXd ApplyTranspose(Eigen::Ref<const Eigen::MatrixXd> const& x) override;
 
        virtual Eigen::MatrixXd GetMatrix() override;
 
    private:
        static unsigned int ComputeRows(unsigned int vecSize, int startIndIn, int endIndIn, int skipIn);
        
        unsigned int startInd, endInd;
        int skip;
 
    }; // class SliceOperator
 
 
} // namespace Modeling
} // namespace muq
 
#endif // #ifndef SUMOPERATOR_H