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//
// $Id: G4Trd.icc,v 1.7 2006/10/19 15:33:37 gcosmo Exp $
// GEANT4 tag $Name:  $
//
// --------------------------------------------------------------------
// GEANT 4 inline definitions file
//
// G4Trd.icc
//
// Implementation of inline methods of G4Trd
// --------------------------------------------------------------------

inline
G4double G4Trd::GetXHalfLength1() const
{
  return fDx1;
}

inline
G4double G4Trd::GetXHalfLength2() const
{
  return fDx2;
}

inline
G4double G4Trd::GetYHalfLength1() const
{
  return fDy1;
}

inline
G4double G4Trd::GetYHalfLength2() const
{
  return fDy2;
}

inline
G4double G4Trd::GetZHalfLength() const
{
  return fDz;
}

inline
void G4Trd::SetXHalfLength1(G4double val)
{
  fDx1= val;
  fCubicVolume= 0.;
  fSurfaceArea=0;
  fpPolyhedron = 0;
}

inline
void G4Trd::SetXHalfLength2(G4double val)
{
  fDx2= val;
  fCubicVolume= 0.;
  fSurfaceArea=0;
  fpPolyhedron = 0;
}

inline
void G4Trd::SetYHalfLength1(G4double val)
{
  fDy1= val;
  fCubicVolume= 0.;
  fSurfaceArea=0;
  fpPolyhedron = 0;
}

inline
void G4Trd::SetYHalfLength2(G4double val)
{
  fDy2= val;
  fCubicVolume= 0.;
  fSurfaceArea=0;
  fpPolyhedron = 0;
}

inline
void G4Trd::SetZHalfLength(G4double val)
{
  fDz= val;
  fCubicVolume= 0.;
  fSurfaceArea=0;
  fpPolyhedron = 0;
}

inline
G4double G4Trd::GetCubicVolume()
{
  if(fCubicVolume != 0.) {;}
  else
  {
    fCubicVolume = 2*fDz*( (fDx1+fDx2)*(fDy1+fDy2)
                         + (fDx2-fDx1)*(fDy2-fDy1)/3 );
  }
  return fCubicVolume;
}

inline
G4double G4Trd::GetSurfaceArea()
{
  if(fSurfaceArea != 0.) {;}
  else
  { 
    fSurfaceArea = 4*(fDx1*fDy1+fDx2*fDy2)
                 + 2*((fDy1+fDy2)*std::sqrt(4*fDz*fDz+(fDx2-fDx1)*(fDx2-fDx1))
                 + (fDx1+fDx2) *std::sqrt(4*fDz*fDz+(fDy2-fDy1)*(fDy2-fDy1)) );
  }
  return fSurfaceArea;
}