CPPLapack Code

//=============================================================================
//! Samll Real Double-precision Row Vector Class
template<long L> class drovector_small
{
public:
  //////// data ////////
  static const long l =L;
  double array[L];
  
  //////// constructor ////////
  drovector_small(){;}
  drovector_small(const double& x){
    for(long k=0; k<L; k++){ array[k]=x; }
  }
  ~drovector_small(){;}
  
  //////// function ////////
  double& operator()(const long& k);
  double  operator()(const long& k) const;
  
  void zero(){ for(long k=0; k<L; k++){ array[k]=0.; } }
  drovector_small<L>& set(const long& k, const double& v){ (*this)(k)=v; return *this; }
  
  _drovector to_drovector() const{
    drovector vec(L);
    for(long k=0; k<L; k++){
      vec(k)=(*this)(k);
    }
    return _(vec);
  }
};