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Constraint Programming Solver
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README.md
# Constraint Programming Solver
## The approach
The implementation follows the ideas described in Chapter 12, "Concepts, Techniques, and Models
of Computer Programming" by Peter Van Roy and Seif Haridi.
[An overview of CP implementation in Mozart/Oz.](http://mozart2.org/mozart-v1/doc-1.4.0/fdt/index.html)
## Status
WIP. Not suitable for use in production. Significant API changes and core implementation rewrites are expected.
### Intro
[](https://livebook.dev/run?url=https%3A%2F%2Fgithub.com%2Fbokner%2Ffixpoint%2Fblob%2Fmain%2Flivebooks%2Ffixpoint.livemd)
### Implemented constraints
- `not_equal`
- `less_or_equal`
- `all_different` (decomposition to `not_equal`)
- `sum`
### Features
- views (linear combinations of variables in constraints)
- solving for satisfaction (CSP) and optimization (COP)
### Examples
- Sudoku
- Graph Coloring
- N-Queens
- Reindeers
- SEND + MORE = MONEY
- Knapsack