--- trunk/FAS/src/fasresidue.cpp	2002/08/14 16:03:32	71
+++ trunk/FAS/src/fasresidue.cpp	2002/08/19 20:49:08	88
@@ -23,26 +23,65 @@
 #include "fasbond.h"
 #include "bitvector.h"
 
+//constuctor/destructor
 TFASResidue::TFASResidue()
 {
+  Clear();
+}
 
+TFASResidue::TFASResidue(const unsigned int index)
+{
+  Clear();
+
+  _index = index;
 }
 
-TFASResidue::TFASResidue(int index, int resid)
+TFASResidue::TFASResidue(const TFASResidue &residue)
 {
+    _index = residue._index;
+    _resid = residue._resid;
+    _model = residue._model;
+     _mol = residue._mol;
+   _atomList = residue._atomList;
 
 }
 
 TFASResidue::~TFASResidue()
 {
-
+  Clear();
 }
 
 void TFASResidue::Clear()
 {
+  vector<TFASAtom *>::iterator i;
+  TFASAtom *atom;
+  for (atom=BeginAtom(i); atom!=NULL;atom=NextAtom(i))
+  {
+    atom->SetResidue(NULL);
+  }
 
+  _index = -1;
+  _resid = -1;
+  _mol = NULL;
+  _model = NULL;
+  _atomList.clear();
 }
 
+//overload operator =
+TFASResidue &TFASResidue::operator =(const TFASResidue &residue)
+{
+  if (this != &residue)
+  {
+    _index = residue._index;
+    _resid = residue._resid;
+    _model = residue._model;
+     _mol = residue._mol;
+   _atomList = residue._atomList;
+  }
+
+  return *this;
+}
+//method to traverse atoms
 TFASAtom *TFASResidue::BeginAtom(vector<TFASAtom *>::iterator &i)
 {
   i = _atomList.begin();
@@ -114,7 +153,7 @@ vector<TFASBond *> TFASResidue::GetBonds(bool exterior
       {
         if (!exterior)
         {
-          if ((bond->GetNbrAtom(atom))->GetResidue == this)
+          if ((bond->GetNbrAtom(atom))->GetResidue() == this)
           {
             bondList.push_back(bond);
           }