Abhinav271828 562790f371 [MLIR][Presburger] Implement vertex enumeration and chamber decomposition for polytope generating function computation. (#78987) ...

We implement a function to compute the generating function corresponding
to a full-dimensional parametric polytope whose tangent cones are all
unimodular.
We fix a bug in unimodGenFunc to check the absolute value of the index.
We also implement Matrix<T>::negateMatrix() and Matrix<T>::scaleRow for
convenience.

2024-02-15 11:03:32 +05:30

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