gnxastitle

	Camerino, Italy, revised 6-November-1997

***

General information 

***


This directory contains the executable files and the documentation
of the GNXAS package of programs.

Main authors: A. Filipponi and A. Di Cicco

The programs can be downloaded using common browsers 
(http://camcnr.unicam.it/www/gnxas.html) or copied through an anonymous ftp 
procedure (anonymous@camcnr.unicam.it) and their use is allowed only to 
authorised persons. 
Requests for authorisation should be sent to either one of the authors.

An expiring date is inserted in the programs. The expiring date is renewed 
approximately every six months and ensures to the users the use of the latest
version of GNXAS and a periodic bugs removal.

Compressed files containing documentation and executable files can
be downloaded directly using WWW (http://camcnr.unicam.it/www/gnxasdl.html).

Single executable or documentation files can be copied through ftp.

**** Directory content *****

Address (FTP): anonymous@CAMCNR.UNICAM.IT   (193.204.9.6)

DECnet:           38382::$USER:[PUBLIC.GNXAS...]

[PUBLIC.GNXAS.DOC] --> contains the documentation of the GNXAS package

[PUBLIC.GNXAS.VAX] --> contains the exec GNXAS programs for a Vms 
                                 VAX-like environment

[PUBLIC.GNXAS.ALPHA_1_5] --> contains the exec GNXAS programs for OpenVms v1.5
                                 alpha-like environment 

[PUBLIC.GNXAS.ALPHA_6_1] --> contains the exec GNXAS programs for OpenVms v6.1
                                 alpha-like environment 

[PUBLIC.GNXAS.ALPHA_UNIX] --> contains the exec GNXAS programs for Digital Unix 
                                 alpha-like environment 

[PUBLIC.GNXAS.UTIL] --> contains some utilities associated with the GNXAS
                        package (_alp extension for OpenVms environment) 

[PUBLIC.GNXAS.XANES] --> contains the exec XANES continued fraction 
                        program (_alp extension for OpenVms environment) 

************************************************************************

News about upgradings and changements follows (in reversed time order):

	Camerino, Italy,  10-July-1997

The WWW site is now open for downloading and information about GNXAS. 
Please report any bug or problem you can have using the new http pages.
A Unix version for DEC-alpha workstations is available.
Updated programs for OpenVMS alpha and VAX versions are available for all of
the registered users (up to July , 8th). Expiration date 1-Feb-1998. 


	Camerino, Italy,  10-April-1997

Updated programs for OpenVMS alpha are available for all of 
the registered users (up to april, 8th). Expiration date 1-dec-1997.
The VMS VAX executable are available for all of the registered user
up to November, 12th, 1996 (expiration date 31-dec-1999).

	Camerino, Italy,  13-January-1997

A new subdirectory [PUBLIC.TOP] has been created to provide the executable
files and documentation of the TopDrawer graphic program, used as standard
graphic interface for GNXAS. The subdirectory contains several versions of
the program running on both AXP and VAX CPU-type VMS environments.

	Camerino, Italy,  4-November-1996

Updated programs (alpha versions) are available for all registered users.


	Camerino, Italy, 21-September-1996

>>>   NEWS ABOUT THE FITTING PROGRAM:

A new version of the FITHEO program incorporating several
new features has been released (OpenVMS version).
The program is designed to replace all of the previous
versions of the FITHEO program for single and multiple-edge
fitting.
The name of the present exectutable file is simply FITHEO.EXE.
New features and advances, as well as slight changes in the
input commands, are described in the new documentation contained
in the FITHEO.DOC file.
Users are welcome to try the new version and report any problem
to the authors.

Old versions of the FITHEO are still available and can be
used by old users until the end of the current year.
Updating to the present programs is highly recommended. 

	Stanford, USA, 30-April-1996

Programs have been updated for authorized users.
New programs are only available as OpenVMS alpha-Vax versions.
(24-july: programs available also for standard Vax environments)

>>>   NEWS ABOUT THE FITTING PROGRAM:

A new version of the FITHEO program able to refine simultaneously 
several atomic edges has been released (FITHEOM_N).
Some little bugs have been fixed and some features added on.
Use of four-body terms is being widely tested.
This version can replace the single-edge fitting routine as well.
The program is still compatible with previous command files
In near future, a single FITHEO program able to perform single and
multi-edge fitting will be released, with slight changes in the 
input command files in both cases.

Old versions (june 1995) of the FITHEO are still available and can be
used by old users until the end of the current year.
Updating to the present programs is highly recommended. 

A new documentation of FITHEO is in course of writing.

	Camerino, Italy, 25-August-1995

New documentation for the GNXAS program.
New introductory  documentation (PACKAGE.DOC) with updated information on
the programs.
Standard VMS versions of the new programs generated.

	Camerino, Italy, 18-August-1995

Fixed bugs in GNXAS subroutine. Please copy it again for safer use.
New programs are only available as OpenVMS alpha-Vax versions.

	Camerino, Italy, 4-June-1995

MAJOR CHANGES IN FITHEO SUBROUTINES.

A version able to refine simultaneously several atomic edges has been 
installed (FITHEOM).
This version can replace the single-edge fitting routine as well.

In view of the release of a new version of FITHEO, with slight differences
in the command file and in the minimization results, a long-term executable
file FITHEO.EXE has been generated and can be used up to the end of 1996.

Trial new versions of FITHEO, called FITHEO_N.EXE and FITHEOM_N.exe, 
fully compatible with normal command files, can be now used (only alpha-VAX
versions provided right now). 
In future, slight changes of the command files could be necessary for the
implementation of the new features.
A new documentation of FITHEO is in course of writing.
 
Note:

New users can only run the new versions of FITHEO (namely, FITHEO_N.EXE and
FITHEOM_N.exe)

(july 1995)

FOUR-BODY MS BY GNXAS.

GNXAS has been revised in order to calculate four-body MS contribution
and providing a proper classification. A new documentation is in course
of writing.

NEW DOC FOR GNPEAK.

A new documentation of GNPEAK is contained in the DOC sub-directory.

	Camerino, Italy, 18-March-1995

The GNXAS package has been updated with expiring date 1-oct-1995.
There are slight changes in the software correcting some minor bugs in 
the previous version and extending the usage of the package.

	Camerino, Italy, 10-January-1995

An updated publication list related to the GNXAS method has been now included 
in the postscript file REF_GNXAS.PS.

	Camerino, Italy, 15-September-1994

IMPORTANT NOTICE

The GNXAS programs have been updated and the expiring date has been extended
for other six months for authorised users.

Set the TYPE SET to image (or binary) in order to get executable files in the 
correct format. 

Some programs have been slightly changed and/or debugged and we recommend to
use everytime the latest version (written in the opening statetements).

In particular, some important changes in the output of the FITHEO program
have been performed, allowing a reduction in the number of the output files
and in the occupation of disk space. 

The updated documentation will be soon available. 


************************************************************************

For any problem please contact:

C				Andrea Di  Cicco
C
C				Dipartimento di Matematica e Fisica
C				Universita' di Camerino
C				62032 Camerino (Mc), Italy
C
C				Phone +39/737/40089 (or 40017)
C                               FAX +39/737/40042
C				E-mail:	DICICCO@CAMCNR.UNICAM.IT   
C
C				Adriano Filipponi
C
C				Present address:
C				European Synchrotron Radiation Facility
C				Phone +33/4/76882349
C				B.P. 220, F-38043 Grenoble (France)
C				E-mail: FILIPPON@ESRF.FR
C
C				Permanent address:
C                               Dipartimento di Fisica
C				Universita' dell'Aquila
C				Phone +39/862/433034
C				FAX  +39/862/433033
C				E-mail: FILIPPONI@AQUILA.INFN.IT

For any problem regarding this site and GNXAS licenses please
contact:

C				Marco Minicucci
C
C				Dipartimento di Matematica e Fisica
C				Universita' di Camerino
C				62032 Camerino (Mc), Italy
C
C				Phone +39/737/40089 (or 40017)
C                               FAX +39/737/40042
C				E-mail:	MINICUCCI@CAMCNR.UNICAM.IT   


COPYRIGHT 1996-today XAS group University of Camerino - Responsible: A. Di Cicco
URL: http://gnxas.unicam.it

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