////  boost/assert.hpp - BOOST_ASSERT(expr)////  Copyright (c) 2001, 2002 Peter Dimov and Multi Media Ltd.//// 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)////  Note: There are no include guards. This is intentional.////  See http://www.boost.org/libs/utility/assert.html for documentation.//#undef BOOST_ASSERT#if defined(BOOST_DISABLE_ASSERTS)# define BOOST_ASSERT(expr) ((void)0)#elif defined(BOOST_ENABLE_ASSERT_HANDLER)#include <boost/current_function.hpp>namespace boost{void assertion_failed(char const * expr, char const * function, char const * file, long line); // user defined} // namespace boost#define BOOST_ASSERT(expr) ((expr)? ((void)0): ::boost::assertion_failed(#expr, BOOST_CURRENT_FUNCTION, __FILE__, __LINE__))#else# include <assert.h> // .h to support old libraries w/o <cassert> - effect is the same# define BOOST_ASSERT(expr) assert(expr)#endif