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29 lines
838 B
29 lines
838 B
// (C) Copyright John Maddock 2008.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// The aim of this header is just to include <cmath> but to do
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// so in a way that does not result in recursive inclusion of
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// the Boost TR1 components if boost/tr1/tr1/cmath is in the
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// include search path. We have to do this to avoid circular
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// dependencies:
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//
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#ifndef BOOST_CONFIG_CMATH
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# define BOOST_CONFIG_CMATH
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# ifndef BOOST_TR1_NO_RECURSION
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# define BOOST_TR1_NO_RECURSION
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# define BOOST_CONFIG_NO_CMATH_RECURSION
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# endif
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# include <cmath>
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# ifdef BOOST_CONFIG_NO_CMATH_RECURSION
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# undef BOOST_TR1_NO_RECURSION
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# undef BOOST_CONFIG_NO_CMATH_RECURSION
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# endif
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#endif
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