chore: import upstream snapshot with attribution

python/tvm/arith/bound.py

@@ -0,0 +1,40 @@
+# 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.
+"""Bound deduction."""
+
+from . import _ffi_api
+
+
+def deduce_bound(var, cond, hint_map, relax_map):
+    """Deduce the bound of the target variable in the cond.
+
+    Parameters
+    ----------
+    var : tvm.tirx.Var
+        The target variable to be deduced.
+
+    cond : Expr
+        The condition
+
+    hint_map : Map[tvm.tirx.Var, IntSet]
+        Domain of variables used to help deduction.
+
+    relax_map : Map[tvm.tirx.Var, IntSet]
+        The fomain of the variables to be relaxed
+        using the provided domain.
+    """
+    return _ffi_api.DeduceBound(var, cond, hint_map, relax_map)