// (C) Copyright John Maddock 2008. // Use, modification and distribution are subject to 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) // // The aim of this header is just to include <cmath> but to do // so in a way that does not result in recursive inclusion of // the Boost TR1 components if boost/tr1/tr1/cmath is in the // include search path. We have to do this to avoid circular // dependencies: // #ifndef BOOST_CONFIG_CMATH # define BOOST_CONFIG_CMATH # ifndef BOOST_TR1_NO_RECURSION # define BOOST_TR1_NO_RECURSION # define BOOST_CONFIG_NO_CMATH_RECURSION # endif # include <cmath> # ifdef BOOST_CONFIG_NO_CMATH_RECURSION # undef BOOST_TR1_NO_RECURSION # undef BOOST_CONFIG_NO_CMATH_RECURSION # endif #endif