face.cpp

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/**
 *\file         face.cpp
 *
 *\brief        
 *
 *\author       Xianming Chen\n
 *              Computer Science Department\n
 *              University of Utah
 *
 *\date         16 Aug 2006\n
 *              Copyright (c) 2006, University of Utah
 */


#include "euler.h"
#include "print.h"


namespace euler
{

  face_t :: ~face_t()
  {
    while(l)
    {
      loop_t* temp = l;
      l = l->nxt;
      delete temp;
    }
    if(id == cur_id-1) cur_id--; 
  }


  loop_t* face_t :: new_loop()
  {
    return new loop_t(this);
  }


  loop_t* face_t :: new_loop(vertex_t *v)
  {
    return new loop_t(this, v);
  }
  

  void face_t :: del_loop(loop_t* lp)
  {
    if(l == lp) l = lp->nxt; 
    if(lp->pre) lp->pre->nxt = lp->nxt;  
    if(lp->nxt) lp->nxt->pre = lp->pre; 
    delete lp;
  }




  
  


}//end namespace euler

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