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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

[0.6.1] - 2024-10-16

Documentation

  • Fix docsrs build

[0.6.0] - 2024-10-16

Features

  • External solver interface
  • Batsat solver interface
  • Generalize batsat interface
  • lit method for Var
  • Implement Default for TernaryVal
  • iter method for Assignment
  • is_sat for Cnf and Assignment ergonomics
  • Propagate trait
  • Cl as light-weight DST for clauses
  • [breaking] Add evaluate, replacing is_sat
  • Add generalized totalizer to capi
  • Cnf::clear
  • Ladder at-most-one encoding
  • Bitwise at-most-one encoding
  • Commander at-most-one encoding
  • Bimander at-most-one encoding

Documentation

  • Fix ambiguous links
  • Mark internals properly
  • Fix typos

Miscellaneous Tasks

  • Move main crate to project root
  • Pedantic clippy
  • [breaking] Breaking clippy suggestions
  • [breaking] Rename constraint types
  • Update dependencies
  • Run clippy nightly on prs
  • Update dependencies
  • Clippy with most-recent nightly
  • Set up nix dev shell and tools package

Refactor

  • [breaking] Make reading functions take reader by reference
  • Use bindgen to generate solver bindings

Testing

  • Paths relative to manifest
  • Basic kani harnesses for Var and Lit

Api

  • [breaking] Mark unchecked functions as unsafe

[0.5.1] - 2024-06-12

Features

  • Incremental precision in DPW
  • Format vars and lits nicely with debug

Bug Fixes

  • Make Node type (of dbtotalizer) opaque. This is technically a breaking change, but since the Node type was never intended to be transparent, we are not treating it as one. If you are relying on having access to the Node type, use the feature internal instead, but note that the internal API is unstable.

Testing

  • Fix warnings

[0.5.0] - 2024-04-30

This release contains breaking changes. For detailed instructions on how to handle migration, please refer to the migration guide.

Bug Fixes

  • Incorrect coarse_ub in dpw when unweighted
  • Dynamic polynomial watchdog edge cases with < 2 inputs

Documentation

  • Clarify lit rep and relation to IPASIR/DIMACS
  • Add missing documentation
  • Fix broken links

Features

  • Migrate error handling to anyhow create
  • Move IPASIR bindings to separate crate
  • Instance ergonomics for member variables
  • Ergonomics for opb writing
  • Ergonomics for dimacs writing
  • Add add_clause_ref method to Solve trait
  • Add add_nary function
  • Have file parsers take BufRead types
  • Extend<&Clause> for solvers
  • Catch memory out in solvers
  • Catch memory outs in clause collector
  • Parse external solver output
  • ipasir-display feature

Miscellaneous Tasks

  • Update to pyo3 0.21
  • Specify minimum rust version

Performance

  • Add BufWriter when writing to file
  • Avoid unnecessary cloning

Refactor

  • Clean up control flow in solver methods
  • Clean up control flow in dimacs parsing
  • Factor out C-API
  • Factor out Python API

[0.4.3] - 2024-02-22

Features

  • Internal from_raw methods for db totalizers
  • Thorough merge strategy for NodeById
  • Make opb defaults more like pbo competition specs
  • Output opbs with #variable line

Bug Fixes

  • Remove weight_sum field from DbGte

Documentation

  • Disable cbindgen on docs.rs

[0.4.2] - 2024-01-11

Documentation

  • Mark required features in documentation on docs.rs

[0.4.1] - 2024-01-11

Documentation

  • Improve doc examples
  • Add shields to READMEs

Features

  • Helpful shortcuts in instances and solver
  • Index assignments by var and negate ternary vals

[0.4.0] - 2023-12-18

Bug Fixes

  • Set var manager in SatInstance::from_iter
  • Set vm correctly in SatInstance::from(Cnf)
  • Coarse convergence bounds
  • Link capi tests to archive libs
  • Typo in capi
  • Parse empty instances correctly
  • Limited connections in node db
  • Next value in db-referencing gtes

Documentation

  • (limited) python api documentation

Features

  • Python api expose lit, clause, cnf
  • Python len and indexing support for clause and cnf
  • Feature switch for python api
  • Python iterators
  • Totalizer and comparison operators in pyapi
  • Expose all encodings in python api
  • Extend internal node api
  • Limited connections in node db
  • Constant method for objective
  • Allow cloning totalizer db

[0.3.0]

Refactor

  • Allow encodings to output straight to solvers

Features

  • Alternative totalizer implementation based on a totalizer database
  • Dynamic polynomial watchdog encoing
  • Changes to public API: changed some vectores to slices
  • Changed internal variable/literal representation from usize to u32

[0.2.x]

Solver interfaces factored out into seperate crates. See detailed changes in GitHub Releases.

[0.1.2]

Updated initial version with working dependencies.

[0.1.0] and [0.1.1]

Yanked because of dependencies that don't exist anymore