66 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			1.6 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 POW2(x) ((x) * (x))
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#define ABS(x) ((x) > 0 ? (x) : -(x))
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#if defined(_TD_WINDOWS_64) || defined(_TD_WINDOWS_32)
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  #define SWAP(a, b, c) \
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    do {                \
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      c __tmp = (c)(a); \
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      (a) = (c)(b);     \
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      (b) = __tmp;      \
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    } while (0)
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  #define MAX(a, b) (((a) > (b)) ? (a) : (b))
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  #define MIN(a, b) (((a) < (b)) ? (a) : (b))
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#else
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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 /*_TD_OS_MATH_H_*/
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