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CHANGELOG.md

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Change Log

(unreleased)

Bug Fixes

  • omits unnecessary parentheses around function and predicate arguments

0.1.9 (2018-05-04)

Changes

  • turns on completion and simplification by default, which can now be switched off with --no-complete and --no-simplify

Features

  • detection of integer variables and integer predicate parameters
  • command-line option --no-detect-integers to disable integer variable detection
  • new simplification rule applying to integer variables
  • support for declaring functions integer with the #external directive

Bug Fixes

  • fixes incorrect translation of unsupported choice rules with multiple elements by returning an error instead
  • fixes precedence of intervals by enclosing them in parentheses

0.1.8 (2018-04-20)

Features

  • more and advanced simplification rules
  • adds support for exponentiation (power) and modulus (absolute value)
  • new examples: prime numbers, permutation generator, and graph coloring (extended)

0.1.7 (2018-04-08)

Features

  • support for declaring placeholders with the #external directive

Internal

  • drops Boost dependency in favor of the header-only command-line option library cxxopts

0.1.6 (2017-06-12)

Features

  • unique IDs for all variables (user-defined variables are renamed)
  • support for hiding predicates from completed output by using #show statements
  • more simplification rules with --simplify
  • command-line option --parentheses to fully parenthesize the output
  • adds multiple example instances for experimenting

Bug Fixes

  • adds missing error message when attempting to read inaccessible file
  • removes unnecessary parentheses after simplification
  • fixes incorrect simplification with binary operations in arguments

0.1.5 (2017-05-04)

Bug Fixes

  • fixes lost signs with negated 0-ary predicates

0.1.4 (2017-04-12)

Features

  • completion of input programs (optional)
  • command-line option --complete to turn on completion

0.1.3 (2017-03-30)

Features

  • support for anonymous variables

Bug Fixes

  • fixes incorrectly simplified rules with comparisons
  • fixes misleading error message concerning negated, unsupported body literals

0.1.2 (2017-03-23)

Features

  • simplification of output formulas (optional)
  • command-line option --simplify to turn on simplification

Bug Fixes

  • fixes incorrectly translated choice rules with multiple elements in the head aggregate

Internal

  • explicit syntax tree representation for first-order formulas

0.1.1 (2017-03-06)

Features

  • support for choice rules (without guards)

0.1.0 (2016-11-24)

Features

  • initial support for translating rules in Essential Gringo (excluding aggregates) to first-order logic formulas
  • command-line option --color to autodetect, enable, or disable color output
  • command-line option --log-level to control which status messages should be shown