69 lines
1.8 KiB
C
69 lines
1.8 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 _TD_OS_MATH_H_
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#define _TD_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 TPOW2(x) ((x) * (x))
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#define TABS(x) ((x) > 0 ? (x) : -(x))
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#define TSWAP(a, b) \
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do { \
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char *__tmp = taosMemoryMalloc(sizeof(a)); \
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memcpy(__tmp, &(a), sizeof(a)); \
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memcpy(&(a), &(b), sizeof(a)); \
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memcpy(&(b), __tmp, sizeof(a)); \
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taosMemoryFree(__tmp); \
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} while (0)
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#ifdef WINDOWS
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#define TMAX(a, b) (((a) > (b)) ? (a) : (b))
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#define TMIN(a, b) (((a) < (b)) ? (a) : (b))
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#define TRANGE(aa, bb, cc) ((aa) = TMAX((aa), (bb)),(aa) = TMIN((aa), (cc)))
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#else
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#define TMAX(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 TMIN(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 TRANGE(a, b, c) \
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({ \
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a = TMAX(a, b); \
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a = TMIN(a, c); \
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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 /*_TD_OS_MATH_H_*/
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