msvc_compatibility.h

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/***************************************************************************
 *  include/stxxl/bits/msvc_compatibility.h
 *
 *  Part of the STXXL. See http://stxxl.sourceforge.net
 *
 *  Copyright (C) 2009, 2011 Andreas Beckmann <[email protected]>
 *
 *  Distributed under the Boost Software License, Version 1.0.
 *  (See accompanying file LICENSE_1_0.txt or copy at
 *  http://www.boost.org/LICENSE_1_0.txt)
 **************************************************************************/

#ifndef STXXL_MSVC_COMPATIBILITY_HEADER
#define STXXL_MSVC_COMPATIBILITY_HEADER

#include <stxxl/bits/config.h>

#if STXXL_MSVC

#include <cmath>

inline double log2(double x)
{
    return (log(x) / log(2.));
}

// http://msdn.microsoft.com/en-us/library/2ts7cx93.aspx
#define snprintf _snprintf

// http://msdn.microsoft.com/en-us/library/h80404d3.aspx
#define strtoll _strtoi64

// http://msdn.microsoft.com/en-us/library/85zk715d.aspx
#define strtoull _strtoui64

#endif // STXXL_MSVC

#endif // !STXXL_MSVC_COMPATIBILITY_HEADER
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