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CDDLib is a wrapper for cdd. This module can either be used in a "lower level" using the API of cdd or using the higher level interface of Polyhedra.
CDDLib also includes the linear programming solver `CDDLib.Optimizer`

which can be used by JuMP through MathOptInterface.

Building the package will download binaries of `cddlib`

that are compiled by cddlibBuilder.

As written in the README of cddlib:

The C-library cddlib is a C implementation of the Double Description Method of Motzkin et al. for generating all vertices (i.e. extreme points) and extreme rays of a general convex polyhedron in R^d given by a system of linear inequalities:

P = { x=(x1, ..., xd)^T : b - A x >= 0 }

where A is a given m x d real matrix, b is a given m-vector and 0 is the m-vector of all zeros.

The program can be used for the reverse operation (i.e. convex hull computation). This means that one can move back and forth between an inequality representation and a generator (i.e. vertex and ray) representation of a polyhedron with cdd. Also, cdd can solve a linear programming problem, i.e. a problem of maximizing and minimizing a linear function over P.

01/04/2016

12 days ago

250 commits