/* @(#)dlfit.h	17.1.1.1 (ESO-IPG) 01/25/02 17:51:49 */
extern void dlfit
(
#ifdef __STDC__
 double x[], double y[], double sig[], int ndat, double a[], int ia[],
 int ma, double **covar, double *chisq, 
 void (*funcs)(double, double [], int)
#endif
 );

extern void dlfit_2D
(
#ifdef __STDC__
 double x1[], double x2[], double y[], double sig[], int ndat, 
 double a[], int ia[], int ma, double **covar, double *chisq, 
 void (*funcs)(double, double, double [], int)
#endif
 );
  
extern void dcovsrt
(
#ifdef __STDC__
 double **covar, int ma, int ia[], int mfit
#endif
 );


extern void dgaussj
(
#ifdef __STDC__
 double **a, int n, double **b, int m
#endif
 );