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// $Id: G4ErrorMatrix.icc,v 1.2 2007/06/01 12:43:28 gcosmo Exp $
// GEANT4 tag $Name: geant4-09-04-beta-01 $
//
// ------------------------------------------------------------
//      GEANT 4 class inline implementation
// ------------------------------------------------------------

inline G4ErrorMatrix::G4ErrorMatrix()
  : m(0), nrow(0), ncol(0), size(0)
{
}

inline G4int G4ErrorMatrix::num_row() const
{
  return nrow;
}

inline G4int G4ErrorMatrix::num_col() const
{
  return ncol;
}

inline G4int G4ErrorMatrix::num_size() const
{
  return size;
}

inline G4double & G4ErrorMatrix::operator()(G4int row, G4int col)
{
  return *(m.begin()+(row-1)*ncol+col-1);
}

inline const G4double & G4ErrorMatrix::operator()(G4int row, G4int col) const 
{
  return *(m.begin()+(row-1)*ncol+col-1);
}

inline G4ErrorMatrix::G4ErrorMatrix_row G4ErrorMatrix::operator[] (G4int r)
{
  G4ErrorMatrix_row b(*this,r);
  return b;
}

inline const G4ErrorMatrix::G4ErrorMatrix_row_const
G4ErrorMatrix::operator[] (G4int r) const
{
  G4ErrorMatrix_row_const b(*this,r);
  return b;
}

inline G4double &G4ErrorMatrix::G4ErrorMatrix_row::operator[](G4int c)
{
  return *(_a.m.begin()+_r*_a.ncol+c);
}

inline const G4double &
G4ErrorMatrix::G4ErrorMatrix_row_const::operator[](G4int c) const
{
  return *(_a.m.begin()+_r*_a.ncol+c);
}

inline G4ErrorMatrix::
G4ErrorMatrix_row::G4ErrorMatrix_row(G4ErrorMatrix&a, G4int r)
   : _a(a)
{
  _r = r;
}

inline G4ErrorMatrix::G4ErrorMatrix_row_const::G4ErrorMatrix_row_const 
(const G4ErrorMatrix&a, G4int r) 
   : _a(a) 
{
  _r = r;
}

inline G4ErrorMatrix G4ErrorMatrix::inverse(G4int &ierr) const
{
  G4ErrorMatrix mTmp(*this);
  mTmp.invert(ierr);
  return mTmp;
}