QR_Q.hh

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#ifndef QR_Q_hh
#define QR_Q_hh
 
#include <cfloat>
#include "basics/typedefs.hh"
#include "basics/outputOperator.hh"
#include "function/vector.hh"
#include "toolbox/array.hh"
 
using concepts::Real;
using concepts::Cmplx;
 
namespace concepts {
 
  // *************************************************************** QR_Q **
 
  template<class F>
  class QR_Q {
  public:
    QR_Q(const concepts::Array<concepts::Vector<F>*>& A, const int m);
    virtual ~QR_Q();
    virtual const concepts::Array<concepts::Vector<F>*>& getQ();
  protected:
    virtual std::ostream& info(std::ostream& os) const;
  private:
    const concepts::Array<concepts::Vector<F>*>& A_;
    concepts::Array<concepts::Vector<F>*> Q_;
    int m_;
    int n_;
    bool computed_;
    void compute_();
  };
 
} // namespace conepts
 
#endif // QR_Q_hh