//

 //  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