void stringfit(char *str1, int indx1, char *str2, int indx2, 
	       int &lengthOfFit);
void stringbestfit(char *str1, int indx1, char *str2,
		   int& indx2, int& lengthOfFit);
void stringbestfit(char *str1, int indx1,
		   int& poindx, int& symindx, int& lengthOfFit);
int isequal(char *str1, char* str2);
int isflip(char *str1, char *str2);

void findSymString(Matrix& po, 
		   char *s);
void findTransIndx(Matrix& po, int symIndx, 
		   int& transIndx);
void findShift(Matrix& po, int transIndx,
	       double &h, int flag=0);
void findNextTransIndx(Matrix& po, int transIndx1,
		       int& transIndx2);
Matrix *returnSlice(Matrix& po, double T, int transIndx,
		    double& deltat);
Matrix* returnMergedSlice(Matrix *slice1, double deltat1, Matrix *slice2);

void initLorenz1();
Matrix* loadANDreturnOrbit(char *dir, int indx, double& T, double& err);
void loadOrbit(int N, char*s );
void loadOrbits(char *s, int m, int n);
void saveOrbit(Matrix& po, double T, double err, const char *dir, int indx);
Matrix *returnApprox(char *symStr, double& T);
void freeLorenz1();
void setFourierFactor(int ff);
void findClosestString(Vector& v, int len, char *s);