chore: import upstream snapshot with attribution

python/tvm/arith/__init__.py

@@ -0,0 +1,40 @@
+# isort: skip_file
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+"""Integer bound analysis, simplification and pattern detection."""
+
+from .int_set import (
+    IntSet,
+    IntervalSet,
+    PresburgerSet,
+    estimate_region_lower_bound,
+    estimate_region_strict_bound,
+    estimate_region_upper_bound,
+)
+from .analyzer import ModularSet, ConstIntBound, Analyzer, ProofStrength, Extension, CompareResult
+from .bound import deduce_bound
+from .pattern import detect_linear_equation, detect_clip_bound
+from .int_solver import solve_linear_equations, solve_linear_inequalities
+from .iter_affine_map import IterMapExpr, IterMark, IterSplitExpr, IterSumExpr
+from .iter_affine_map import (
+    detect_iter_map,
+    iter_map_simplify,
+    normalize_iter_map_to_expr,
+    normalize_to_iter_sum,
+    subspace_divide,
+    inverse_affine_iter_map,
+)