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Added thirdparty: boost library
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Viacheslav Demydiuk
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///////////////////////////////////////////////////////////////////////////////
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// accumulators_fwd.hpp
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//
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// Copyright 2005 Eric Niebler. Distributed under the Boost
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// 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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#ifndef BOOST_ACCUMULATORS_ACCUMULATORS_FWD_HPP_EAN_28_10_2005
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#define BOOST_ACCUMULATORS_ACCUMULATORS_FWD_HPP_EAN_28_10_2005
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#include <boost/config.hpp>
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#include <boost/core/enable_if.hpp>
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#include <boost/parameter/is_argument_pack.hpp>
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#include <boost/mpl/apply_fwd.hpp> // for mpl::na
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#include <boost/mpl/limits/vector.hpp>
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#include <boost/preprocessor/cat.hpp>
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#include <boost/preprocessor/arithmetic/inc.hpp>
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#include <boost/preprocessor/repetition/enum_params_with_a_default.hpp>
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#include <boost/preprocessor/repetition/enum_trailing_params.hpp>
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#include <boost/preprocessor/repetition/enum_trailing_binary_params.hpp>
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#include <boost/preprocessor/repetition/repeat_from_to.hpp>
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#include <boost/accumulators/numeric/functional_fwd.hpp>
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#ifndef BOOST_ACCUMULATORS_MAX_FEATURES
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/// The maximum number of accumulators that may be put in an accumulator_set.
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/// Defaults to BOOST_MPL_LIMIT_VECTOR_SIZE (which defaults to 20).
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# define BOOST_ACCUMULATORS_MAX_FEATURES BOOST_MPL_LIMIT_VECTOR_SIZE
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#endif
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#if BOOST_ACCUMULATORS_MAX_FEATURES > BOOST_MPL_LIMIT_VECTOR_SIZE
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# error BOOST_ACCUMULATORS_MAX_FEATURES cannot be larger than BOOST_MPL_LIMIT_VECTOR_SIZE
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#endif
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#ifndef BOOST_ACCUMULATORS_MAX_ARGS
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/// The maximum number of arguments that may be specified to an accumulator_set's
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/// accumulation function. Defaults to 15.
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# define BOOST_ACCUMULATORS_MAX_ARGS 15
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#endif
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#if BOOST_WORKAROUND(__GNUC__, == 3) \
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|| BOOST_WORKAROUND(__EDG_VERSION__, BOOST_TESTED_AT(306))
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# define BOOST_ACCUMULATORS_BROKEN_CONST_OVERLOADS
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#endif
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#ifdef BOOST_ACCUMULATORS_BROKEN_CONST_OVERLOADS
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# include <boost/type_traits/is_const.hpp>
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# define BOOST_ACCUMULATORS_PROTO_DISABLE_IF_IS_CONST(T)\
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, typename boost::disable_if<boost::is_const<T> >::type * = 0
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#else
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# define BOOST_ACCUMULATORS_PROTO_DISABLE_IF_IS_CONST(T)
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#endif
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#define BOOST_ACCUMULATORS_GCC_VERSION \
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(__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
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namespace boost { namespace accumulators
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{
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///////////////////////////////////////////////////////////////////////////////
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// Named parameters tags
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//
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namespace tag
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{
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struct sample;
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struct weight;
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struct accumulator;
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struct weights;
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}
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///////////////////////////////////////////////////////////////////////////////
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// User-level features
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//
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namespace tag
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{
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template<typename ValueType, typename Tag>
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struct value;
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template<typename Tag>
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struct value_tag;
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template<typename Referent, typename Tag>
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struct reference;
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template<typename Tag>
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struct reference_tag;
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template<typename Type, typename Tag = void, typename AccumulatorSet = void>
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struct external;
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template<typename Feature>
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struct droppable;
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}
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template<typename Accumulator>
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struct droppable_accumulator_base;
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template<typename Accumulator>
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struct droppable_accumulator;
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template<typename Accumulator>
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struct with_cached_result;
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template<typename Sample, typename Features, typename Weight = void>
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struct accumulator_set;
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template<typename Feature>
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struct extractor;
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template<typename Feature>
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struct feature_of;
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template<typename Feature>
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struct as_feature;
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template<typename Feature>
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struct as_weighted_feature;
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template<BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(BOOST_ACCUMULATORS_MAX_FEATURES, typename Feature, mpl::na)>
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struct depends_on;
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template<BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(BOOST_ACCUMULATORS_MAX_FEATURES, typename Feature, mpl::na)>
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struct features;
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template<typename Feature, typename AccumulatorSet>
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typename mpl::apply<AccumulatorSet, Feature>::type const &
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find_accumulator(AccumulatorSet const &acc);
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template<typename Feature, typename AccumulatorSet>
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typename mpl::apply<AccumulatorSet, Feature>::type::result_type
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extract_result(AccumulatorSet const &acc);
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namespace detail
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{
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struct _enabler
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{
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};
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}
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// ... other overloads generated by Boost.Preprocessor:
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/// INTERNAL ONLY
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///
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#define BOOST_ACCUMULATORS_EXTRACT_RESULT_FWD(z, n, _) \
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template< \
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typename Feature \
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, typename AccumulatorSet \
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BOOST_PP_ENUM_TRAILING_PARAMS_Z(z, n, typename A) \
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> \
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typename mpl::apply<AccumulatorSet, Feature>::type::result_type \
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extract_result( \
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AccumulatorSet const &acc \
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BOOST_PP_ENUM_TRAILING_BINARY_PARAMS_Z(z, n, A, const &a) \
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, typename boost::enable_if< \
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parameter::is_argument_pack<A0> \
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, detail::_enabler \
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>::type = detail::_enabler() \
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); \
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template< \
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typename Feature \
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, typename AccumulatorSet \
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BOOST_PP_ENUM_TRAILING_PARAMS_Z(z, n, typename A) \
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> \
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typename mpl::apply<AccumulatorSet, Feature>::type::result_type \
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extract_result( \
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AccumulatorSet const &acc \
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BOOST_PP_ENUM_TRAILING_BINARY_PARAMS_Z(z, n, A, const &a) \
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, typename boost::disable_if< \
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parameter::is_argument_pack<A0> \
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, detail::_enabler \
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>::type = detail::_enabler() \
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);
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/// INTERNAL ONLY
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///
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BOOST_PP_REPEAT_FROM_TO(
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1
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, BOOST_PP_INC(BOOST_ACCUMULATORS_MAX_ARGS)
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, BOOST_ACCUMULATORS_EXTRACT_RESULT_FWD
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, _
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)
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#undef BOOST_ACCUMULATORS_EXTRACT_RESULT_FWD
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#ifdef BOOST_ACCUMULATORS_DOXYGEN_INVOKED
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template<typename Feature, typename AccumulatorSet, typename A1, typename A2 ...>
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typename mpl::apply<AccumulatorSet, Feature>::type::result_type
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extract_result(AccumulatorSet const &acc, A1 const &a1, A2 const &a2 ...);
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#endif
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namespace impl
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{
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using namespace numeric::operators;
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template<typename Accumulator, typename Tag>
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struct external_impl;
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}
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namespace detail
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{
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template<typename Accumulator>
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struct feature_tag;
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template<typename Feature, typename Sample, typename Weight>
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struct to_accumulator;
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struct accumulator_set_base;
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template<typename T>
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struct is_accumulator_set;
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inline void ignore_variable(void const *) {}
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}
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}} // namespace boost::accumulators
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#define BOOST_ACCUMULATORS_IGNORE_GLOBAL(X) \
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namespace detail \
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{ \
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struct BOOST_PP_CAT(ignore_, X) \
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{ \
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void ignore() \
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{ \
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boost::accumulators::detail::ignore_variable(&X); \
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} \
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}; \
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} \
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/**/
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#include <boost/parameter/nested_keyword.hpp>
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#endif // include guard
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