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minmax.h
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C/C++ Source or Header
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2005-10-29
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2KB
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45 lines
#ident "$Id: minmax.h,v 1.1 2004/11/10 22:31:50 hpa Exp $"
/* ----------------------------------------------------------------------- *
*
* Copyright 2004 H. Peter Anvin - All Rights Reserved
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall
* be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* ----------------------------------------------------------------------- */
#ifndef _MINMAX_H
#define _MINMAX_H
/*
* minmax.h: Type-independent safe min/max macros
*/
#define min(x,y) ({ __typeof(x) xx = (x); \
__typeof(y) yy = (y); \
xx < yy ? xx : yy; })
#define max(x,y) ({ __typeof(x) xx = (x); \
__typeof(y) yy = (y); \
xx > yy ? xx : yy; })
#endif /* _MINMAX_H */