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Isl

May 26, 2018

Integer Set Library

isl is a library for manipulating sets and relations of integer points bounded by linear constraints. Supported operations on sets include intersection, union, set difference, emptiness check, convex hull, integer affine hull, integer projection, computing the lexicographic minimum using parametric integer programming, coalescing and parametric vertex enumeration. It also includes an ILP solver based on generalized basis reduction, transitive closures on maps which may encode infinite graphs, dependence analysis and bounds on piecewise step-polynomials.

WWW http//isl.gforge.inria.fr/