Index: trunk/Ohana/src/opihi/include/astro.h
===================================================================
--- trunk/Ohana/src/opihi/include/astro.h	(revision 39229)
+++ trunk/Ohana/src/opihi/include/astro.h	(revision 39585)
@@ -58,9 +58,14 @@
 /***** */
 
-int FitPMonly_IRLS (PlxFit *fit, double *X, double *dX, double *Y, double *dY, double *T, int Npts, int VERBOSE);
-int FitPMandPar_IRLS (PlxFit *fit, double *X, double *dX, double *Y, double *dY, double *T, double *pR, double *pD, double *Wx, double *Wy, int Npts, int max_iterations, double outlier_limit, int VERBOSE);
+int FitPMonly_IRLS (PlxFit *fit, double *X, double *dX, double *Y, double *dY, double *T, int Npts, double binning_step, int VERBOSE);
+int FitPMandPar_IRLS (PlxFit *fit, double *X, double *dX, double *Y, double *dY, double *T, double *pR, double *pD, double *Wx, double *Wy, int Npts, int max_iterations, double outlier_limit, double binning_step, int VERBOSE);
 
 int weighted_LS_PLX (double *T, double *pR, double *pD, double *X, double *WX, double *Y, double *WY, int Npts, double **A, double **B, int VERBOSE);
 int weighted_LS_PM (double *T, double *X, double *WX, double *Y, double *WY, int Npts, double **A, double **B, int VERBOSE);
+int bin_points (double *T, double *X, double *WX, double *Y, double *WY, int Npts,
+		double **Tbin, double **Xbin, double **WXbin, double **Ybin, double **WYbin, int *Nbins, double binning_step);
+int bin_points_PLX (double *T, double *pR, double *pD, double *X, double *WX, double *Y, double *WY, int Npts,
+		    double **Tbin, double **pRbin, double **pDbin, double **Xbin, double **WXbin, double **Ybin, double **WYbin, int *Nbins, double binning_step);
+
 
 double weight_cauchy (double x);