BamgVertex.h

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#ifndef _BAMGVERTEX_H_
#define _BAMGVERTEX_H_
 
#include "./include.h"
#include "./Metric.h"
#include "./BamgOpts.h"
 
namespace bamg {
 
   class Triangle;
   class Mesh;
   class VertexOnGeom;
   class VertexOnEdge;
 
   class BamgVertex {
 
      public:
 
         /*Fields*/
         I2        i;                 // integer coordinates
         R2        r;                 // real coordinates
         Metric    m;
         long      ReferenceNumber;
         long      PreviousNumber;
         short     IndexInTriangle;              // the vertex number in triangle; varies between 0 and 2 in t
 
         union {
            Triangle     *t;                      // one triangle which is containing the vertex
            long          color;
            BamgVertex   *MeshVertexHook;         // used in geometry BamgVertex to know the Mesh Vertex associated
            VertexOnGeom *GeomEdgeHook;    // if IndexInTriangle == 8; // set with Mesh::SetVertexFieldOn()
            BamgVertex   *BackgroundVertexHook;   // if IndexInTriangle == 16 on Background vertex Mesh::SetVertexFieldOnBTh()
            VertexOnEdge *BackgroundEdgeHook;     // if IndexInTriangle == 32 on Background edge
         };
 
         /*Operators*/
         operator I2() const {return i;}             // Cast operator
         operator const R2 & () const {return r;}    // Cast operator
         operator Metric () const {return m;}        // Cast operator
         double operator()(R2 x) const { return m.Length(x.x,x.y);} // Get x in the metric m
 
         /*methods (No constructor and no destructors...)*/
         BamgVertex();
         double Smoothing(Mesh & ,Mesh & ,Triangle  * & ,double =1);
         void   MetricFromHessian(const double Hxx,const double Hyx, const double Hyy, const double smin,const double smax,const double s,const double err,BamgOpts* bamgopts);
         void   Echo();
         int    GetReferenceNumber() const;
         I2     GetIntegerCoordinates() const{return this->i;};// avoid operator I2()
         long   Optim(int =1,int =0); 
 
         //inline functions
         inline void Set(const BamgVertex &rec,const Mesh & ,Mesh & ){*this=rec;}
   };
}
#endif