////////////////////////////////////////////////////////////////////////////ar.h//2001.10.2#define MAXENTROPY      0#define LEASTSQUARES    1int AutoRegression(double *,int,int,double *,int);int ARMaxEntropy(double *,int,int,double **,	double *,double *,double *,double *);int ARLeastSquare(double *,int,int,double *);int SolveLE(double **,double *,unsigned int);