| 1 | // (C) Copyright John Maddock 2008. |
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| 2 | // Use, modification and distribution are subject to the |
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| 3 | // Boost Software License, Version 1.0. (See accompanying file |
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| 4 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 5 | // |
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| 6 | // The aim of this header is just to include <cmath> but to do |
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| 7 | // so in a way that does not result in recursive inclusion of |
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| 8 | // the Boost TR1 components if boost/tr1/tr1/cmath is in the |
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| 9 | // include search path. We have to do this to avoid circular |
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| 10 | // dependencies: |
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| 11 | // |
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| 12 | |
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| 13 | #ifndef BOOST_CONFIG_CMATH |
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| 14 | # define BOOST_CONFIG_CMATH |
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| 15 | |
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| 16 | # ifndef BOOST_TR1_NO_RECURSION |
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| 17 | # define BOOST_TR1_NO_RECURSION |
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| 18 | # define BOOST_CONFIG_NO_CMATH_RECURSION |
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| 19 | # endif |
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| 20 | |
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| 21 | # include <cmath> |
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| 22 | |
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| 23 | # ifdef BOOST_CONFIG_NO_CMATH_RECURSION |
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| 24 | # undef BOOST_TR1_NO_RECURSION |
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| 25 | # undef BOOST_CONFIG_NO_CMATH_RECURSION |
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| 26 | # endif |
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| 27 | |
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| 28 | #endif |
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| 29 | |
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