chore: import upstream snapshot with attribution

python/tvm/relax/op/ternary.py

@@ -0,0 +1,44 @@
+# 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.
+# pylint: disable=redefined-builtin, invalid-name
+"""Relax ternary arithmetic operators."""
+
+from ..expr import Expr
+from . import _ffi_api
+
+
+def ewise_fma(x1: Expr, x2: Expr, x3: Expr) -> Expr:
+    """Elementwise fused multiply-add operator
+    Returns elementwise result of :math:`x1 * x2 + x3`
+
+    Parameters
+    ----------
+    x1 : relax.Expr
+        The left hand operand of the multiplication
+
+    x2 : relax.Expr
+        The right hand operand of the multiplication
+
+    x3 : relax.Expr
+        The operand of the addition
+
+    Returns
+    -------
+    result : relax.Expr
+        The computed result.
+    """
+    return _ffi_api.ewise_fma(x1, x2, x3)  # type: ignore