[Mlir-commits] [mlir] [MLIR][Presburger] Generating functions and quasi-polynomials for Barvinok's algorithm (PR #75702)

[Arjun P]

================
@@ -0,0 +1,65 @@
+//===- QuasiPolynomial.cpp - Quasipolynomial Class --------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "mlir/Analysis/Presburger/QuasiPolynomial.h"
+#include "mlir/Analysis/Presburger/Fraction.h"
+#include "mlir/Analysis/Presburger/IntegerRelation.h"
+#include "mlir/Analysis/Presburger/Matrix.h"
+#include "mlir/Analysis/Presburger/PresburgerSpace.h"
+#include "mlir/Analysis/Presburger/Utils.h"
+#include "mlir/Support/LogicalResult.h"
+#include <optional>
+
+using namespace mlir;
+using namespace presburger;
+
+QuasiPolynomial::QuasiPolynomial(
+    unsigned numParam, SmallVector<Fraction> coeffs,
+    std::vector<std::vector<SmallVector<Fraction>>> aff)
+    : numParam(numParam), coefficients(coeffs), affine(aff) {
+  // Find the first term which involves some affine function.
----------------
Superty wrote:

I assume "first" was used previously to infer numParams.

https://github.com/llvm/llvm-project/pull/75702