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susuhahnml committed Aug 24, 2024
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## clinguin 2.0.0


* Incompatible
* `_clinguin_assume/1` is now `_clinguin_assume/2` where the second argument is either `true` or `false`
* Operation `add_assumption/1` is now `add_assumption/2` where the second argument is either `true` or `false`
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* Attribute regarding style (such as `filter`) for canvas elements with an image path are now applied only to the canvas
* Components
* New component `progress_bar`
* New component `checkbox`
* Domain constructors
* added optimization information into domain state
* added information about externals
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* General documentation update!


Note: Make sure you clear your browsers cache to ensure it uses the latest version




## clingo 5.7.1

* fix comparison of theory elements (#485)
* fix manifest (#484)
* update cibw to also produce Python 3.12 wheels

## clingo 5.7.0

* add AST node for comments (#417)
* add function to change undo mode (#409)
* add function to access priorities to API (#406)
* add `Model::is_consequence` to API (#423)
* add option to preserve facts (#457)
* improve hash table performance (#441)
* extend add_theory_atom method of backend (#461)
(breaks backward compatibility of the API)
* add contribution guidelines (#465)
* fix `add_theory_atom_with_guard` in Python API
* fix AST bugs (#403)
* fix parsing of hexadecimal numbers (#421)
* fix assignment aggregates (#436)
* fix build scripts for Python 3.12 (#452)
* fix overflows in IESolver (#462)
* make sure `clingo_control_ground` is re-entrant (#418)
* update clasp and dependencies

## clingo 5.6.2

* fix AST comparison (#394)
* fix handling of n-ary comparisons in AST (#396)

## clingo 5.6.1

* fix symbolic atom iterator (#389)
* build wheels using cibuildwheel (#391, #392)
(this adds additional architectures)

## clingo 5.6.0

* add support for parsing files in ASPIF format (#387)
(breaks C API)
* add theory related functions to backend (#381)
* add support for comparisons with more than one relation (#368)
* extend safety by computing intervals from comparisons (#375)
* add and ground base part by default in Python API (#378)
* remove experimental CSP extensions (#367)
* require at least MSVC 15.0 to build on Windows
* large code refactoring (#376)
* replace internal hash set implementation by external one (#386)
* update to clasp version 3.3.9

## clingo 5.5.2

* fix `parse_files` in C++ API
* fix adding clauses during enumeration (#359)
* fix incremental projection with backend (#362)
* update to clasp version 3.3.8

## clingo 5.5.1

* extend theory class to get version information
* improve performance of `Model.symbol` (#296)
* tidy up `clingo.hh` header regarding C++17 deprecations (#344)
* fix error handling while solving in Python API (#334)
* fix various outher bugs
* update to clasp version 3.3.7

## clingo 5.5.0

* allow for using `not` as a theory operator (#193)
* improve parsing of disjunctions (#171)
* rename `max_size` to `size` in APIs and remove previous `size` method
(breaks backward compatibility but makes things consistent)
* refine cmake configuration variables (#283)
(package maintainers might have to pay attention here)
* extend clingo API (#236, #231, #228, #227, #187, #171, #174, #183)
* add type annotations and add stub files for type checkers (#212)
* reimplement Python API using CFFI (#253)
(breaks backward compatibility regarding the AST and some details)
* add `remove_watch` and `freeze_literal` to `propagate_init` (#285)
* add support for Lua 5.4
* add options to select specific Lua/Python versions
* add single-shot solving option (#269)
(see installation instructions)
* rename `clingo.Tuple` to `clingo.Tuple_`
(to avoid name clashes with `typing.Tuple`)
* fix propagator initialization (#166)
* fix cleanup function and handling of theory (#169)
* fix shifting of disjunctions (in clasp) (#173)
* fix handling of pools in externals (#179)
* fix logger in Python API (#175)
* fix memory bugs regarding strings (#196)
* fix undo function (#191)
* fix adding literals in propagate init (#192)
* fix handling of undefined arithmetics (#218)
* fix incremental grounding (#248)
* fix/improve handling of classical negation (#268)
* update to clasp version 3.3.6 fixing various issues

## clingo 5.4.0

* add extension to implement custom heuristics
* add const modifiers to C API
* add flags to external and const statements to match API functions
* fix python memleaks
* make compatible with msvc 15
* C ABI changes
* extended propagators
* C++ API changes
* unify usage of ProgramBuilder and Backend
* python API changes
* `TruthValue.{_True,_False}` becomes `TruthValue.{True_,False_}`
* `HeuristicType.{True,False}` becomes `TruthValue.{True_,False_}`
* `async` and yield becomes `async_` and `yield_`
* improve python API documentation
* use cmakes `find_python` module
* update to clasp version 3.3.5

## clingo 5.3.0

* change C API to use numeric instead of symbolic literals
* affects assumptions and assigning/releasing externals
(breaks backward compatibility)
* added overloads to C++, python and lua API to support
both numeric and symbolic version
(preserves backward compatibility for most code)
* the python, C and C++ APIs now allow for customizing clingo by implementing
a custom main function but reusing the rest of the application including
the standard output
* add API function to detect conflicting programs
* add message logger to python and lua interface
* add support for primes in the beginning of identifiers and variable names
* add per solver registration of watches during propagator initialization
* add a directive to selectivel suppress undefined atom warnings
* add support for user defined statistics
* add _to_c functions for python API to be able to call C functions from
python
* only create ground representations for requested program parts when
grounding (#71)
* improve program observer (#19)
* support for binary, octal, and hexadecimal numbers (#65)
* the backend has to be opened/closed now
* release python's GIL while grounding (#82)
* TruthValue.{True,False} becomes TruthValue.{\_True,\_False} in python API
* improve API and it's documentation

## clingo 5.2.3

* update to clasp version 3.3.4
* really fix --pre option
* fix link to potassco guide (#74)
* fix location printing (#78)
* fix linking problems (#79)
* fix modulo zero (#100)
* fix web builds (#103)
* fix addding clauses after a model has been found (#104)
* fix python program observer bindings (#105)
* expose exponentiation operator in APIs
* improve python docstrings (#101, #102)
* add option to build python and lua modules against an existing libclingo

## clingo 5.2.2

* update to clasp version 3.3.3
* use GNUInstallDirs in cmake files to simplify packaging
* fix --pre option
* fix swapped clingo\_assignment\_size and clingo\_assignment\_max\_size
* fix docstrings
* fix incremental mode
* fix sup and inf in python/lua bindings
* fix reified format term tuples
* fix wrong use of python API (causing trouble with python 3.6)
* fix compilation problems on 32bit linux (missing libatomic)

## clingo 5.2.1

* update to clasp version 3.3.2
* fix handling of istop in incmode programs
* fix handling of undefined ** operations
* fix preprocessing of disjunctions with undefined operations
(regression in clingo-5)
* fix segfault during preprocessing
(regression in clingo-5)

## clingo 5.2.0

* switch to MIT license
* improve compatibility with abstract gringo
* switch build system from scons to cmake
* improve windows compatibility
* make tests and examples python 3 compatible
* bison and re2c are no longer required to build source releases
* update to clasp 3.3.0
* the CLINGOPATH environment variable can be set
to control from where to include files in logic programs
* propagators can add variables while solving now
* refactor interfaces (breaking backward compatibility)
* there is just one solve function now
* in the C API do not pass structs by value to functions
because FFIs of some languages do not support this
* fix cleanup function
* numerous other bugfixes not listed here

## clingo 5.1.1

* fix thread id to start with one in propagator.undo in lua
* fix version macro in clingo.h
* fix added missing methods to get thread id to model in lua/python
* fix child\_key property in python ast

## clingo 5.1.0

* update to clasp 3.2.1
* add interface to add variables during propagation
* add interface to inspect ground rules (C/C++ only)
* add experimental interface to access clasp facade (C/C++ only)
* fixed smodels output (--output=smodels)

## clingo 5.0.0

* cleanup of python and lua API (breaks backwards compatibility)
* added new aspif output format replacing the old smodels format
* added input language support for clasp features
* #edge directives to add acyclicity constraints
* #project directives for enumeration of projected models
* #heuristic directives to steer clasp's search
* added theory atoms to write aggregate like constructs
* added stable C API documented with doxygen
* added experimental C++ API based on C API
* added theory propagator interface to clingo APIs
* added support for compilation with Visual Studio 2015
* improved data structures to reduce memory consumption on typical input
* updated to clasp version 3.2.0 + patches

## gringo/clingo 4.5.4

* fixed bug when creating multiple Control objects
(affects lua only)
* fixed bug when trying to configure more solvers than in portfolio
(affects python only)
* fixed #disjoint constraints
* improved build scripts
* added option to keep facts in normal rules

## gringo/clingo 4.5.3

* fixed regression w.r.t gringo 4.4 in translation of conditional literals
* fixed projection in incremental programs
* fixed bug with (double) negative literals in minimize constraints

## gringo/clingo 4.5.2

* fixed memory leak in python API when enumerating models
* updated to clasp version 3.1.3

## gringo/clingo 4.5.1

* ground term parser returns None/nil for undefined terms now
* added warning if a global variable occurs in a tuple of an aggregate element
* added auto detection of libraries
* changed option --update-domains into API function Control:cleanup\_domains
* fixed domain cleanup when used with minimize constraints
* fixed grounding of recursive disjunctions (regression in 4.5.0)
* fixed Control.stats in lua bindings
* fixed a bug in clingo that would print 0-ary classically negated atoms wrongly

## gringo/clingo 4.5.0

* fixed grounding of recursive aggregates
* fixed usage of lua\_next
* fixed bug when applying constant definitions
* updated underlying clasp to version 3.1.1
* added support for negation in front of relation literals
* added option --update-domains to cleanup gringo's domains
using clasp's top-level assignment when solving incrementally
* added domain inspection to scripting interface
* added term parser to scripting interface
* added support for python 3 (experimental)
* added support for one elementary tuples
* added support for unary - operator in front of functions and symbols
* added support for recursive nonmonotone aggregate via translation
* added program reify to reify logic programs
* added option to rewrite minimize constaints for use with reify
* changed inbuilt iclingo mode
(breaks backwards compatibility)
* changed handling of pools, intervals, and undefined operations according to AG
(breaks backwards compatibility)
* changed handling of ==, it is treated like = now
* changed SolveFuture.interrupt to SolveFuture.cancel
(breaks backwards compatibility)

## gringo/clingo 4.4.0

* updated underlying clasp to version 3.1.0
* this version brings numerous fixes regarding incremental solving
* scripting API changes
* ground takes a list of programs to ground now and immediately starts
grounding (breaks backwards compatibility)
* asolve has been renamed to solveAsync
(breaks backwards compatibility)
* the solver configuration is better integrated now
(breaks backwards compatibility)
* solver statistics are a property now
(breaks backwards compatibility)
* added a method to add clauses during solving
* added load method to load files
* added solveIter method to iterate over methods without using a callback
* added optional assumptions to solve/solveAsync/solveIter method
* enableEnumAssumption became a property
* added library that can be imported in python
* rules with fact heads where not simplified in all cases
* fixed grounding of recursive aggregates
* fixed translation of aggregates with multiple guards

## gringo/clingo 4.3.0

* fixed bug with incremental parameters in minimize constraints
* fixed handling of empty tuples
* fixed translation of conditional literals
* fixed translation of factual body aggregates
* fixed bug not properly recognizing aggregates as non-monotone
* fixed bug not properly grounding recursive head aggregates
* fixed bug with recursive negated aggregates
* fixed bug with head aggregates with multiple elements
* improved handling of conditional literals
* added method to get optimization values of model in scripting language
* clingo uses clasp 3.0 now

## gringo/clingo 4.2.1

* fixed bug in simplification of aggregates
* fixed bug with raw strings in macros
* fixed compilation issues with older glibc versions
* fixed output for enumeration of cautious consequences
* fixed bugs in clasp library
* fixed race in parallel model enumeration
* fixed incremental optimization
* fixed cleanup up of learnt constraints during incremental solving
* workaround for libstdc++'s bad choice for hash<uint64_t> on 32bit arches

## gringo/clingo 4.2

* added clingo
* supports very flexible scripting support
* can cover iclingo and oclingo functionality now
* added stack traces to lua error messages
* added support for incremental optimization
* improved python error messages
* renamed gringo.Function to gringo.Fun
* removed luabind dependency
* removed boost-python dependency
* consistently use not instead of #not as keyword for negation
* fixed translation of conditions in head aggregates
* fixed replacement of constants
* fixed grounding of recursive head aggregates
* fixed translation of head aggregates
* fixed show statements for CSP variables (condition was ignored)
* fixed plain text output of body aggregates
* added a ton of new bugs

## gringo 4.1

* added scripting languages python and lua
* added -c option to define constants
* added constraints over integer variables
* linear constraints
* disjoint constraints
* show statements for constraint variables
* (experimental and subject to change)
* improved translation of disjunctions
* fixed include directives
* fixed preprocessing of definitions
* fixed lparse translation of optimization constructs
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