int nodenumber;
int inputnb;
pTH vtable;	/* hash table for vertex numbering */
pTH supptable;	/* hash table for vertex numbering */
int trace;
int order;   /* si order = 1 automatique, sinon manuel */
int fatherlevel; 
int costFPGA();
int costX4000();
int costX3000();
int costACT1();

typedef struct solutionFPGA {
   int numCLB, depthCLB;
   chain_list *order;
      } tabSolutionFPGA;

#define NUMBERFATHERMIN 20
#define SUPPORTMAX 4
#define X3000 1
