This file is auto-generated from config.yml using the generate_readme script. To make changes, please edit config.yml or the generation script.

CoinUtils is an open-source collection of classes and helper functions that are generally useful to multiple COIN-OR projects. These utilities include:

• classes for storing and manipulating sparse matrices and vectors,
• performing matrix factorization,
• parsing input files in standard formats, e.g. MPS,
• building representations of mathematical programs,
• performing simple presolve operations,
• warm starting algorithms for mathematical programs,
• comparing floating point numbers with a tolerance
• classes for storing and manipulating conflict graphs, and
• classes for searching and storing cliques and odd cycles in conflict graphs, among others.

CoinUtils is written in C++ and is released as open source under the Eclipse Public License 2.0.

It is distributed under the auspices of the COIN-OR Foundation

The CoinUtils website is https://github.com/coin-or/CoinUtils.

There is a Docker image that provides CoinUtils, as well as other projects in the COIN-OR Optimization Suitehere

Binaries for most platforms are available as part of Cbc.

• Linux: On Debian/Ubuntu, CoinUtils is available in the package coinor-coinutils and can be installed with apt. On Fedora, CoinUtils is available in the package coin-or-CoinUtils.
• Windows: The easiest way to get CoinUtils on Windows is to download from Bintray.
• Mac OS X: The easiest way to get Cbc on Mac OS X is through Homebrew.
  • brew tap coin-or-tools/coinor
  • brew install coin-or-tools/coinor/coinutils

Due to license incompatibilities, pre-compiled binaries lack some functionality. If binaries are not available for your platform for the latest version and you would like to request them to be built and posted, feel free to let us know on the mailing list.

Source code can be obtained either by

• Downloading a snapshot of the source code for the latest release version of CoinUtils from the releases page.
• Cloning this repository from Github or
• Using the coinbrew script to get the project and all dependencies (recommended, see below).

Below is a quick start guide for building on common platforms. More detailed build instructions are here.

The quick start assumes you are in a bash shell.

To build CoinUtils from source, obtain the coinbrew script, do

wget https://raw.githubusercontent.com/coin-or/coinbrew/master/coinbrew
chmod u+x coinbrew
./coinbrew fetch CoinUtils@master
./coinbrew build CoinUtils

For more detailed instructions on coinbrew, see https://coin-or.github.io/coinbrew. The coinbrew script will fetch the additional projects specified in the Dependencies section of config.yml.

• Download the source code, e.g., by cloning the git repo https://github.com/coin-or/CoinUtils
• Download and install the source code for the dependencies listed in config.yml
• Build the code as follows (make sure to set PKG_CONFIG_PTH to install directory for dependencies).

./configure -C
make
make test
make install

If you have Doxygen available, you can build a HTML documentation by typing

make doxygen-docs

in the build directory. If CoinUtils was built via coinbrew, then the build directory will be ./build/CoinUtils/master by default. The doxygen documentation main file is found at <build-dir>/doxydoc/html/index.html.

If you don't have doxygen installed locally, you can use also find the documentation here.

• COIN-OR Initiative
• Mailing list
• Report a bug
• Doxygen-generated html documentation