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Changelog for LHAPDF
--------------------
v5r2p3 - 6/11/2006
* fixed error causing anti-b in zeus2002 to be zero. 
* for consistency the argument lists in a02init,a02minit and grxlim corrected. 

v5r2p2 - 19/7/2006
* Fixed error in print statement in Example5.f
* Removed reference to the H12000lo2 sets in lhaglue.f
* Added common LUDAT1 to lhaglue.f to allow working with older Pythia versions
* Fixed problems with 's in decriptions causing errors with gfortran compiler
* Fixed problem causing QCDNUM (in MRST and ZEUS) to work slowly with V5.

v5r2p1 - 21/6/2006
* Addition of MRST2004 Fieed flavour FF3 and FF4 sets
* H12000 set back to original grid files (problems with extended fit)

v5r2 - 13/6/2006
* Addition of Nuclear PDFs (as in PDFLIB - STRUCTA(), evolvePDFa(), evolvePDFaM())
* Fix to bug in CTEQ at x=1.0 (now identically zero)
* $LHAPATH environmental variable now works with LHAPDF raw as well as LHAGLUE

v5r1 - 26/4/2006
* Libraries now installed by libtool, including shared libraries (.so).
* STRUCTM fixed to work for photon PDFs (sets IP2=0,P2=0.0)
* Changed function names BETA and GAMMA  to BETA_LHA and GAMMA_LHA to avoid conflicts.
* Fixed bug in SMRSPI.LHgrid file
* Fixed small bugs to work with Intel compiler. 
	
v5r0p0 - 1/3/2006
* Addition of multiset initialisation (LHAPDF and LHAglue)
* Setting the path to PDF files by function call 
* Setting the path to PDF files using environmetal variable $LHAPATH
* Setting control parameters via function calls.
* renaming include files as .inc in src directory

v4r2 - 14/11/2005
* Addition of new cteq6AB (variable alphas(mz)) PDF sets.
* Mods by cteq to other cteq code to improve speed.
* New a02m_nnlo.LHgrid file (previous one was erroneously the same as LO).
* Fix to SMRSPI code which was wrongly setting usea to zero.	

v4r1p1 - 19/9/2005
* Patch to fix bug affecting cteq6(LHgrid) at x>0.9763

v4r1:
* Converted build system to use GNU autotools
* Introduced path-independent references to PDF sets via the lhapdf-config
  script and the InitPDFsetByName subroutine. Note that the script must be
  in the user execution path and must have been installed by autotools to 
  work properly.
	
v4r0:
* The addition of PDF sets for photons and pions
* Additions to lhaglue including STRUCTP for photons and PDFSTA for statistics
* More PDF sets included.
* A new simpler directory structure

v3r0:
* The addition of the routines PDFSET and STRUCTM plus a unique PDF numbering 
  scheme (all from the lhaglue package) to enable the LHAPDF to be used in the 
  same way as PDFLIB.
* More PDF sets included.

v2r0:
* Single compilation of code for ALL PDF sets. (In v1 the user had to recompile 
  the code when using different evolution code packages)
* Ability to use the original interpolation grid files (.LHgrid) produced by 
  the authors of the PDFs, as well as parameter files (.LHpdf) to define the 
  PDFs with seamless switching between the two types.
* More PDF sets included.
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