void SETBCOND(REAL **U,REAL **V,REAL **P,REAL **TEMP,int **FLAG,	      int imax,int jmax,int wW,int wE,int wN,int wS);void SETSPECBCOND(char* problem,REAL **U,REAL **V,REAL **P,REAL **TEMP,		  int imax,int jmax,REAL UI, REAL VI);