premiere-libtorrent/include/libtorrent/max.hpp

/*

Copyright (c) 2009-2013, Arvid Norberg
All rights reserved.

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    * Redistributions of source code must retain the above copyright
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    * Redistributions in binary form must reproduce the above copyright
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      the documentation and/or other materials provided with the distribution.
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      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
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*/

#ifndef TORRENT_MAX_TYPE
#define TORRENT_MAX_TYPE

namespace libtorrent
{

	template<int v1, int v2>
	struct max { enum { value = v1>v2?v1:v2 }; };

	template<int v1, int v2, int v3>
	struct max3
	{
		enum
		{
			temp = max<v1,v2>::value,
			value = max<temp, v3>::value
		};
	};

	template<int v1, int v2, int v3, int v4>
	struct max4
	{
		enum
		{
			temp1 = max<v1,v2>::value,
			temp2 = max<v3,v4>::value,
			value = max<temp1, temp2>::value
		};
	};

	template<int v1, int v2, int v3, int v4, int v5>
	struct max5
	{
		enum
		{
			temp = max4<v1,v2, v3, v4>::value,
			value = max<temp, v5>::value
		};
	};

	template<int v1, int v2, int v3, int v4, int v5, int v6>
	struct max6
	{
		enum
		{
			temp1 = max<v1,v2>::value,
			temp2 = max<v3,v4>::value,
			temp3 = max<v5,v6>::value,
			value = max3<temp1, temp2, temp3>::value
		};
	};

	template<int v1, int v2, int v3, int v4, int v5, int v6, int v7>
	struct max7
	{
		enum
		{
			temp1 = max<v1,v2>::value,
			temp2 = max<v3,v4>::value,
			temp3 = max3<v5,v6,v7>::value,
			value = max3<temp1, temp2, temp3>::value
		};
	};

	template<int v1, int v2, int v3, int v4, int v5, int v6, int v7, int v8>
	struct max8
	{
		enum
		{
			temp1 = max<v1,v2>::value,
			temp2 = max3<v3,v4,v5>::value,
			temp3 = max3<v6,v7,v8>::value,
			value = max3<temp1, temp2, temp3>::value
		};
	};

	template<int v1, int v2, int v3, int v4, int v5, int v6, int v7, int v8, int v9>
	struct max9
	{
		enum
		{
			temp1 = max3<v1,v2, v3>::value,
			temp2 = max3<v4,v5,v6>::value,
			temp3 = max3<v7,v8,v9>::value,
			value = max3<temp1, temp2, temp3>::value
		};
	};
}

#endif