LP File Parser

Overview

A custom Rust LP file parser - this crate leverages the PEST crate for parsing LP files. It is designed and adhering to the following specifications:

• IBM v22.1.1 Specification
• fico
• Gurobi

Supported LP Specifications

• Problem Name
• Problem Sense
• Objectives
  • Single-Objective Case
  • Multi-Objective Case
• Constraints
• Bounds
• Variable Types: Integer, Generals, Lower Bounded, Upper Bounded, Free & Upper and Lower Bounded
• Semi-continuous
• Special Order Sets (SOS)

Crate Features

• serde: Adds Serde annotations to each of the model Structs and Enums.
• diff: Adds capability to diff two Structs

Acknowledgements

Test data has been copied from other similar or related projects:

• asbestian/jplex
• odow/LPWriter.jl
• aphi/Lp-Parser

Testers and Contributors

This crate utilised insta for snapshot testing.

cargo insta test --all-features # Run all tests
cargo insta review # Review any changes to the snapshots

• ahenshaw