54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef TDENGINE_OS_MATH_H
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#define TDENGINE_OS_MATH_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define POW2(x) ((x) * (x))
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#define ABS(x) ((x) > 0 ? (x) : -(x))
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#ifndef TAOS_OS_FUNC_MATH
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#define SWAP(a, b, c) \
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do { \
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typeof(a) __tmp = (a); \
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(a) = (b); \
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(b) = __tmp; \
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} while (0)
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#define MAX(a, b) \
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({ \
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typeof(a) __a = (a); \
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typeof(b) __b = (b); \
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(__a > __b) ? __a : __b; \
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})
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#define MIN(a, b) \
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({ \
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typeof(a) __a = (a); \
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typeof(b) __b = (b); \
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(__a < __b) ? __a : __b; \
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})
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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