C @(#)tsadelur0.for	17.1.1.1 (ES0-DMD) 01/25/02 17:20:21
C===========================================================================
C Copyright (C) 1995 European Southern Observatory (ESO)
C
C This program is free software; you can redistribute it and/or 
C modify it under the terms of the GNU General Public License as 
C published by the Free Software Foundation; either version 2 of 
C the License, or (at your option) any later version.
C
C This program is distributed in the hope that it will be useful,
C but WITHOUT ANY WARRANTY; without even the implied warranty of
C MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
C GNU General Public License for more details.
C
C You should have received a copy of the GNU General Public 
C License along with this program; if not, write to the Free 
C Software Foundation, Inc., 675 Massachusetss Ave, Cambridge, 
C MA 02139, USA.
C
C Corresponding concerning ESO-MIDAS should be addressed as follows:
C	Internet e-mail: midas@eso.org
C	Postal address: European Southern Observatory
C			Data Management Division 
C			Karl-Schwarzschild-Strasse 2
C			D 85748 Garching bei Muenchen 
C			GERMANY
C===========================================================================
C
C  @(#)tsadelur0.for	5.1 (ESO-IPG) 4/5/93 15:58:35
C
C
C
C    TSADELUR0
C
C   Autocorrelation function of data in analytic form, for FITCOR
C
C   Input:
C   TLAG                        - time lag
C
C   Output:
C   TSADELUR0                     - ACF function value
C
      DOUBLE PRECISION FUNCTION TSADELUR0(TLAG,PARM)
      DOUBLE PRECISION TLAG, PARM(12)
      CALL STETER(1,' Undefined user ACF: create tsadelur0.for')
      TSADELUR0=0.
      END