1 | /* |
2 | * Licensed to the Apache Software Foundation (ASF) under one |
3 | * or more contributor license agreements. See the NOTICE file |
4 | * distributed with this work for additional information |
5 | * regarding copyright ownership. The ASF licenses this file |
6 | * to you under the Apache License, Version 2.0 (the |
7 | * "License"); you may not use this file except in compliance |
8 | * with the License. You may obtain a copy of the License at |
9 | * |
10 | * http://www.apache.org/licenses/LICENSE-2.0 |
11 | * |
12 | * Unless required by applicable law or agreed to in writing, |
13 | * software distributed under the License is distributed on an |
14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
15 | * KIND, either express or implied. See the License for the |
16 | * specific language governing permissions and limitations |
17 | * under the License. |
18 | */ |
19 | |
20 | /*! |
21 | * \file pad_utils.h |
22 | * \brief Padding helpers |
23 | */ |
24 | #ifndef TVM_TOPI_DETAIL_PAD_UTILS_H_ |
25 | #define TVM_TOPI_DETAIL_PAD_UTILS_H_ |
26 | |
27 | #include <tvm/te/operation.h> |
28 | #include <tvm/tir/expr.h> |
29 | #include <tvm/tir/op.h> |
30 | |
31 | #include <vector> |
32 | |
33 | namespace tvm { |
34 | namespace topi { |
35 | namespace detail { |
36 | |
37 | using namespace tvm::te; |
38 | |
39 | /*! |
40 | * \brief Get padding size for each side given padding height and width |
41 | * |
42 | * \param pad_h The amount to pad each of the top and bottom sides |
43 | * \param pad_w The amount to pad each of the left and right sides |
44 | * |
45 | * \return An array of 4 elements, representing padding sizes for |
46 | * each individual side. The array is in the order { top, left, bottom, right } |
47 | */ |
48 | inline Array<PrimExpr> GetPadTuple(PrimExpr pad_h, PrimExpr pad_w) { |
49 | pad_h *= 2; |
50 | pad_w *= 2; |
51 | |
52 | auto pad_top = indexdiv(pad_h + 1, 2); |
53 | auto pad_left = indexdiv(pad_w + 1, 2); |
54 | |
55 | return {pad_top, pad_left, pad_h - pad_top, pad_w - pad_left}; |
56 | } |
57 | |
58 | } // namespace detail |
59 | } // namespace topi |
60 | } // namespace tvm |
61 | #endif // TVM_TOPI_DETAIL_PAD_UTILS_H_ |
62 | |