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// -*- C++ -*-
//=============================================================================
/**
* @file Min_Max.h
*
* $Id$
*
* Define an appropriate set of min()/max() functions using templates.
*
*
* @author Derek Dominish <Derek.Dominish@Australia.Boeing.com>
*/
//=============================================================================
#ifndef ACE_MIN_MAX_H
#define ACE_MIN_MAX_H
#include /**/ "ace/pre.h"
#include "ace/config-all.h"
# if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
# endif /* ACE_LACKS_PRAGMA_ONCE */
# if !defined (ACE_LACKS_MIN_MAX_TEMPLATES)
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
template <class T>
inline const T &
ace_min (const T &t1, const T &t2)
{
return t2 > t1 ? t1 : t2;
}
template <class T>
inline const T &
ace_max (const T &t1, const T &t2)
{
return t1 > t2 ? t1 : t2;
}
template <class T>
inline const T &
ace_min (const T &t1, const T &t2, const T &t3)
{
return ace_min (ace_min (t1, t2), t3);
}
template <class T>
inline const T &
ace_max (const T &t1, const T &t2, const T &t3)
{
return ace_max (ace_max (t1, t2), t3);
}
template <class T>
inline const T &
ace_range (const T &min, const T &max, const T &val)
{
return ace_min (ace_max (min, val), max);
}
ACE_END_VERSIONED_NAMESPACE_DECL
# else
// These macros should only be used if a C++ compiler can't grok the
// inline templates
# define ace_min(a,b) (((b) > (a)) ? (a) : (b))
# define ace_max(a,b) (((a) > (b)) ? (a) : (b))
# define ace_range(a,b,c) (ace_min(ace_max((a), (c)), (b))
# endif /* ACE_LACKS_MIN_MAX_TEMPLATES */
# define ACE_MIN(a,b) ace_min((a),(b))
# define ACE_MAX(a,b) ace_max((a),(b))
# define ACE_RANGE(a,b,c) ace_range((a),(b),(c))
#include /**/ "ace/post.h"
#endif /* ACE_MIN_MAX_H */
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