CHANGELOG.markdown

0.2.0.0

• Support some features described in “General OPB Format” https://www.cril.univ-artois.fr/PB24/OPBgeneral.pdf
  • allow both min and max keywords in the objective function
  • allow any usual relational operator in constraints
  • allow to use Unicode characters and the UTF-8 encoding for relational operators

0.1.11.0

• some minor clean-up

0.1.10.0

• allow parsing empty <sum>. #5

0.1.9.0

• fix compilation error with megaparsec <4.4 due to the lack of MonadPlus requirement

0.1.8.0

• make types to be instances of Read class

0.1.7.0

• introduce ParserError type
• support megaparsec 7.*

0.1.6.0

• include #mincost=, #maxcost=, #sumcost= in the hint line of WBO files

0.1.5.0

• support megaparsec-5.*

0.1.4.0

• add Megaparsec-based parsers

0.1.3.0

• relax the grammer of OPB/WBO files to allow ommitng spaces at the end of weighted terms.

0.1.2.0

• relax the grammer of OPB/WBO files to allow various use of space characters.

0.1.1.0

• parse* functions fails if the parser does not consume all of the inputs
• generate '#product=', 'sizeproduct=' and '#soft=' in header line of OPB/WBO files
• sort literals in a non-linear term when generating OPB/WBO files