[Bug 464074] New: Review Request: cddlib - A library for generating all vertices in convex polyhedrons

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Fri Sep 26 07:23:09 UTC 2008


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Summary: Review Request: cddlib - A library for generating all vertices in convex polyhedrons

https://bugzilla.redhat.com/show_bug.cgi?id=464074

           Summary: Review Request: cddlib - A library for generating all
                    vertices in convex polyhedrons
           Product: Fedora
           Version: rawhide
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: medium
          Priority: medium
         Component: Package Review
        AssignedTo: nobody at fedoraproject.org
        ReportedBy: konrad at tylerc.org
         QAContact: extras-qa at fedoraproject.org
                CC: notting at redhat.com, fedora-package-review at redhat.com
   Estimated Hours: 0.0
    Classification: Fedora


Spec URL: http://konradm.fedorapeople.org/fedora/SPECS/cddlib.spec
SRPM URL:
http://konradm.fedorapeople.org/fedora/SRPMS/cddlib-094f-1.fc9.src.rpm
Description:
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.

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