[Mlir-commits] [mlir] [MLIR][Presburger][WIP] Implement vertex enumeration and chamber decomposition for polytope generating function computation. (PR #78987)

[Arjun P]

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@@ -697,3 +728,20 @@ void FracMatrix::LLL(Fraction delta) {
     }
   }
 }
+
+IntMatrix FracMatrix::normalizeRows() const {
+  unsigned numRows = getNumRows();
+  unsigned numColumns = getNumColumns();
+  IntMatrix normalized(numRows, numColumns);
+
+  MPInt lcmDenoms = MPInt(1);
+  for (unsigned i = 0; i < numRows; i++) {
+    // For a row, first compute the LCM of the denominators.
+    for (unsigned j = 0; j < numColumns; j++)
+      lcmDenoms = lcm(lcmDenoms, at(i, j).den);
+    // Then, multiply by it throughout and convert to integers.
+    for (unsigned j = 0; j < numColumns; j++)
+      normalized(i, j) = (at(i, j) * lcmDenoms).getAsInteger();
+  }
+  return normalized;
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Superty wrote:

add a getAsIntegerMatrix and call that

https://github.com/llvm/llvm-project/pull/78987