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# CoinUtils
CoinUtils (*Coin*-OR *Util*itie*s*) is an open-source collection of classes and functions that are generally useful to more than one COIN-OR project.
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, and
* comparing floating point numbers with a tolerance, among others.
CoinUtils is written in C++ and is released as open source code under the [Eclipse Public License (EPL)](http://www.opensource.org/licenses/eclipse-1.0).
It is available from the [COIN-OR initiative](http://www.coin-or.org/).
The CoinUtils website is https://github.com/coin-or/CoinUtils.
## Getting Started using CoinBrew
To build CoinUtils from source, obtain the `coinbrew` script from
https://coin-or.github.io/coinbrew/
and run
/path/to/coinbrew fetch --main-proj=CoinUtils
/path/to/coinbrew build --main-proj=CoinUtils --test
/path/to/coinbrew install --main-proj=CoinUtils
The `coinbrew` script will fetch [these](Dependencies) additional projects.
## Getting Started without CoinBrew (Expert users)
1. Obtain the source code, e.g., from https://github.com/coin-or/CoinUtils
2. Run `./configure -C` to generate makefiles
3. Run `make` to build the CoinUtils library
4. Run `make test` to build and run the CoinUtils unit test program
5. Run `make install` to install library and header files.
## Doxygen Documentation
If you have `Doxygen` available, you can build a HTML documentation by typing
`make doxydoc`
in the build directory.
If CoinUtils was build via `coinbrew`, then the build directory is `./build/CoinUtils`.
The doxygen documentation main file is found at `./doxydoc/html/index.html` in the build directory.
If `Doxygen` is not available, you can use also use [this link](http://www.coin-or.org/Doxygen/CoinUtils).
## Project Links
* [COIN-OR Initiative](http://www.coin-or.org/)
* [mailing list](http://list.coin-or.org/mailman/listinfo/coinutils)
* [Report a bug](https://github.com/coin-or/CoinUtils/issues)
* [Doxygen-generated html documentation](http://www.coin-or.org/Doxygen/CoinUtils)
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