/root/doris/be/src/util/alignment.h
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1 | | // Licensed to the Apache Software Foundation (ASF) under one |
2 | | // or more contributor license agreements. See the NOTICE file |
3 | | // distributed with this work for additional information |
4 | | // regarding copyright ownership. The ASF licenses this file |
5 | | // to you under the Apache License, Version 2.0 (the |
6 | | // "License"); you may not use this file except in compliance |
7 | | // with the License. You may obtain a copy of the License at |
8 | | // |
9 | | // http://www.apache.org/licenses/LICENSE-2.0 |
10 | | // |
11 | | // Unless required by applicable law or agreed to in writing, |
12 | | // software distributed under the License is distributed on an |
13 | | // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
14 | | // KIND, either express or implied. See the License for the |
15 | | // specific language governing permissions and limitations |
16 | | // under the License. |
17 | | // |
18 | | // Macros for dealing with memory alignment. |
19 | | #pragma once |
20 | | |
21 | | // Round down 'x' to the nearest 'align' boundary |
22 | | #define ALIGN_DOWN(x, align) ((x) & (~(align) + 1)) |
23 | | |
24 | | // Round up 'x' to the nearest 'align' boundary |
25 | 325k | #define ALIGN_UP(x, align) (((x) + ((align)-1)) & (~(align) + 1)) |