Wrapper around isl, an integer set library
islpy is a Python wrapper around Sven Verdoolaege’s isl, 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.
Islpy comes with comprehensive documentation.
Requirements: islpy needs a C compiler to build. GMP, which used to be a dependency, is no longer required.
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