chore: import upstream snapshot with attribution

paddle/phi/api/ext/dispatch.h

@@ -0,0 +1,70 @@
+/* Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed 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. */
+
+#pragma once
+
+#include "paddle/phi/core/visit_type.h"
+
+namespace paddle {
+
+// Note: Keep this file only for compatibility with custom operators
+
+///////// Floating Dispatch Marco ///////////
+
+#define PD_DISPATCH_FLOATING_TYPES(TYPE, NAME, ...) \
+  PD_VISIT_FLOATING_TYPES(TYPE, NAME, __VA_ARGS__)
+
+#define PD_DISPATCH_FLOATING_AND_HALF_TYPES(TYPE, NAME, ...) \
+  PD_VISIT_FLOATING_AND_HALF_TYPES(TYPE, NAME, __VA_ARGS__)
+
+///////// Integral Dispatch Marco ///////////
+
+#define PD_DISPATCH_INTEGRAL_TYPES(TYPE, NAME, ...) \
+  PD_VISIT_INTEGRAL_TYPES(TYPE, NAME, __VA_ARGS__)
+
+///////// Complex Dispatch Marco ///////////
+
+#define PD_DISPATCH_COMPLEX_TYPES(TYPE, NAME, ...) \
+  PD_VISIT_COMPLEX_TYPES(TYPE, NAME, __VA_ARGS__)
+
+///////// Floating and Integral Dispatch Marco ///////////
+
+#define PD_DISPATCH_FLOATING_AND_INTEGRAL_TYPES(TYPE, NAME, ...) \
+  PD_VISIT_FLOATING_AND_INTEGRAL_TYPES(TYPE, NAME, __VA_ARGS__)
+
+///////// Floating and Complex Dispatch Marco ///////////
+
+#define PD_DISPATCH_FLOATING_AND_COMPLEX_TYPES(TYPE, NAME, ...) \
+  PD_VISIT_FLOATING_AND_COMPLEX_TYPES(TYPE, NAME, __VA_ARGS__)
+
+///////// Floating and Complex and other type Dispatch Marco ///////////
+
+#define PD_DISPATCH_FLOATING_AND_COMPLEX_AND_1_TYPE( \
+    SPECIFIED_TYPE, TYPE, NAME, ...)                 \
+  PD_VISIT_FLOATING_AND_COMPLEX_AND_1_TYPE(          \
+      SPECIFIED_TYPE, TYPE, NAME, __VA_ARGS__)
+
+///////// Floating and Complex and 2 other type Dispatch Marco ///////////
+
+#define PD_DISPATCH_FLOATING_AND_COMPLEX_AND_2_TYPES(  \
+    SPECIFIED_TYPE1, SPECIFIED_TYPE2, TYPE, NAME, ...) \
+  PD_VISIT_FLOATING_AND_COMPLEX_AND_2_TYPES(           \
+      SPECIFIED_TYPE1, SPECIFIED_TYPE2, TYPE, NAME, __VA_ARGS__)
+
+///////// Floating, Integral and Complex Dispatch Marco ///////////
+
+#define PD_DISPATCH_FLOATING_AND_INTEGRAL_AND_COMPLEX_TYPES(TYPE, NAME, ...) \
+  PD_VISIT_FLOATING_AND_INTEGRAL_AND_COMPLEX_TYPES(TYPE, NAME, __VA_ARGS__)
+
+}  // namespace paddle