minmax.hpp

来自「用STL的方式封装了WindowsAPI、COM调用、ACE、ATL、MFC、W」· HPP 代码 · 共 105 行

/* /////////////////////////////////////////////////////////////////////////
 * File:        stlsoft/minmax.hpp (originally MLFwdEnm.h)
 *
 * Purpose:     Definition of minimum() and maximum() template functions.
 *
 * Created:     11th April 2005
 * Updated:     10th June 2006
 *
 * Home:        http://stlsoft.org/
 *
 * Copyright (c) 2005-2006, Matthew Wilson and Synesis Software
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of
 *   any contributors may be used to endorse or promote products derived from
 *   this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * ////////////////////////////////////////////////////////////////////// */


/// \file stlsoft/minmax.hpp
///
/// Definition of minimum() and maximum() template functions.

#ifndef STLSOFT_INCL_STLSOFT_HPP_MINMAX
#define STLSOFT_INCL_STLSOFT_HPP_MINMAX

#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
# define STLSOFT_VER_STLSOFT_HPP_MINMAX_MAJOR       1
# define STLSOFT_VER_STLSOFT_HPP_MINMAX_MINOR       1
# define STLSOFT_VER_STLSOFT_HPP_MINMAX_REVISION    1
# define STLSOFT_VER_STLSOFT_HPP_MINMAX_EDIT        7
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */

/* /////////////////////////////////////////////////////////////////////////
 * Includes
 */

#ifndef STLSOFT_INCL_STLSOFT_H_STLSOFT
# include <stlsoft/stlsoft.h>
#endif /* !STLSOFT_INCL_STLSOFT_H_STLSOFT */

/* /////////////////////////////////////////////////////////////////////////
 * Namespace
 */

#ifndef _STLSOFT_NO_NAMESPACE
namespace stlsoft
{
#endif /* _STLSOFT_NO_NAMESPACE */

/* /////////////////////////////////////////////////////////////////////////
 * Functions
 */

/// Determines the minimum of two values
///
/// \note This is supplied to avoid problems with libraries that \#define \c min
template <ss_typename_param_k T>
inline T const &minimum(T const &lhs, T const &rhs)
{
    return (lhs < rhs) ? lhs : rhs;
}

/// Determines the maximum of two values
///
/// \note This is supplied to avoid problems with libraries that \#define \c min
template <ss_typename_param_k T>
inline T const &maximum(T const &lhs, T const &rhs)
{
    return (lhs < rhs) ? rhs : lhs;
}

/* ////////////////////////////////////////////////////////////////////// */

#ifndef _STLSOFT_NO_NAMESPACE
} // namespace stlsoft
#endif /* _STLSOFT_NO_NAMESPACE */

/* ////////////////////////////////////////////////////////////////////// */

#endif /* !STLSOFT_INCL_STLSOFT_HPP_MINMAX */

/* ////////////////////////////////////////////////////////////////////// */