*
* $Id: v4_17,v 1.1.1.1 1996/01/16 17:08:11 mclareni Exp $
*
* $Log: v4_17,v $
* Revision 1.1.1.1  1996/01/16 17:08:11  mclareni
* First import
*
*
*CMZ :  4.17/09 16/02/93  10.01.47  by  Rene Brun
*-- Author :    Rene Brun   31/07/92
*
*::>          VERSION  4.17/09   930216 10.01
*
*      Names of some ZEBRA banks modified. DDL implemented.
*      Mods in routines to list directories.
*      Bug fixed in HFNT2 in case a CWN is filled again (Dave Rees)
*
*::>          VERSION  4.17/08   930204 11.57
*
*      Nasty bug found in HNTWRT. When routine HCDIR is called,
*         then IDLAST is reset to 0. If HNTWRT was called again,
*         in the same call to HFNT, then IDRZ(1)=0 !
*
*      Bug fixed in HLABEL and HLPOS (found by M.Goossens).
*
*::>          VERSION  4.17/07   930201 14.06
*
*      Changes in the Ntuple handling routines for ntuples with arrays
*      and substructures.
*
*::>          VERSION  4.17/06   930126 18.16
*
*      Changes in HGNT2 and HGNTF for ntuples with arrays.
*      Protection in case of large ntuples that could not be processed
*      by PAW.
*
*::>          VERSION  4.17/05   930124 13.19
*
*      Protections in HROPEN if filename already attached.
*      Change in HRFILE for option 'O' (exchange mode not used)
*      Bug fix in HRMDIR, HMDIR, HGN and HGNF.
*      Bug fix in HALLOC (wrong memory allocation when the new buffer
*         is bigger than the previous one for the same column)
*
*::>          VERSION  4.17/04   930120  8.10
*
*      The following problems fixed after the release:
*      Implement option 'O' in HRFILE to create old format files
*      Corresponding changes in HREND,HRIN,HRMDIR,HMDIR,HFN
*      Bug fixes when merging old-format with new-format ntuples
*      Bug fixed in HLABEL for 2-D case.
*      Bug fixed in HLNEXT,HLDIR2 to access the first key of a file.
*      Replace BIGP in HBOOKN by 1.E30 to avoid overflow on IBM.
*
*
*::>          VERSION  4.17/03   930115 17.09
*
*     Version released for cernlib 93a
*
*
*::>          VERSION  4.17/02   921221 17.56
*
*     Implement option 'E' in HOPERA.
*
*     Changes in HSCR to delete ntuples
*
*     New routine HDDIR to delete directories (memory or RZ)
*
*     Bug fixed in HMINUT when option 'E' given
*     COMMON/HCFITD/FITPAD(25) may be used in user fcn routine (DOUBLE P)
*
*     New example HEXAM8 in patch,HEXAM
*     Example HEXAM6 modified.
*     New ZEBRA pointers LHFIT,LFUNC,LHFCO,LHFNA introduced in HCBOOK
*     Changes in HSUPIN,HSUPIS
*
*::>          VERSION  4.17/01   921207 16.54
*
*
*
*     New set of routines to store alphanumeric labels on the axes.
*     Corresponding routines (HFC1,HFC2) to fill histograms with labels
*         (implementation by P.Aubert)
*
*     New routine HFINAM to store the names of the parameters after HFIT..
*
*     Modifications in HRZIN for PAWSERV
*
*     Reorganization of LHBOOK and LCDIR links (See HLIMIT)
*     Link 8 of LHBOOK/LCDIR reserved for HPLTAB (instead of link 4)
*
*     New Patch,HDIFF introduced (Rich Genik from D0)
*       New routine HDIFFB to compare histograms bin by bin
*       Existing routine HDIFF moved to this patch from patch,HBOOK.
*
*     New Patch,HQUAD introduced (Author John Allison Manchester)
*     HQUAD (see routine HQUAD) performs a fit with multiquadric radial
*     basis functions on 1- and 2-D histograms and ntuples with up to
*     NDMAX variables.
*
*::>          VERSION  4.17/00   920731 15.54
*
*
*     New PATCH,HNTUP introduced
*     All routines referencing ntuples modified, including I/O routines.
*     See new HBOOK manual for a complete description of the new ntuples.
*     Sequences /HCBOOK/, /HCDIRE/ modified.
*     Same sequences used by HPLOT and PAW (must be recompiled).
*
*
*      Protection in HOPER1 (divide by 0) (D.Sanders)
*
*      Routine HFITHC modified. DOUBLE PRECISION added.
*      Option 'L' added in HFITHN
*
*      Changes in HPAK,HFCX,HFCXY to increment the number of entries
*        following the sum of the contents in case of integer contents
*
*      Bug corrected in HGNPAR for memory-resident ntuples (title garbled)
*      Bug corrected in HRIN for memory-resident ntuples (title garbled)
*
*      Bug in output format in routine HWRITF corrected (Janusz Chwastowski)
*
*
*               ! ! ! !  W A R N I N G  ! ! ! !
*
*      HBOOK/RZ file format is changed. New version of HBOOK can still read
*      old format files. The change consists in adding a new key.
*      KEY(1)=ID as in old format
*      KEY(2)=ntuple extension  number (0 for histograms)
*      The new array ICHTYP(20) in HCDIRE contains the type of HBOOK file.
*        ICHTYP(ICDIR)=1 for old format HBOOK files
*                     =5 for new files
*      The new HBOOK files are machine independent and can be transported
*      across all architectures with normal binary FTP.
*      Maximum number of records in HBOOK file changed from 4000 to 16000
*      'X' EXchange mode is now set automatically
*