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Removed boost variant workaround

release/4.3a0
Richard Roberts 2012-01-27 19:16:38 +00:00
parent b3df8d336a
commit ec13206c62
1 changed files with 0 additions and 95 deletions
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gtsam/base/boost_variant_with_workaround.h
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@ -1,95 +0,0 @@
/* ----------------------------------------------------------------------------
* GTSAM Copyright 2010, Georgia Tech Research Corporation,
* Atlanta, Georgia 30332-0415
* All Rights Reserved
* Authors: Frank Dellaert, et al. (see THANKS for the full author list)
* See LICENSE for the license information
* -------------------------------------------------------------------------- */
/**
* @file boost_variant_with_workaround.h
* @brief Includes boost/variant.hpp with a workaround for a variant/boost graph conflict, by defining the variant 'get' function in a new variant_workaround namespace.
* @author Richard Roberts
*/
#pragma once
#include <boost/variant.hpp>
#include <boost/version.hpp>
namespace variant_workaround {
/* ************************************************************************* */
// The following functions are pasted from boost/variant/get.hpp, but in a
// 'variant_workaround' namespace to avoid a conflict with 'get' in the boost
// graph library that exists in boost < 1.47.
#if BOOST_VERSION >= 104700
using boost::get;
#else
template <typename U, BOOST_VARIANT_ENUM_PARAMS(typename T) >
inline
typename boost::add_pointer<U>::type
get(
boost::variant< BOOST_VARIANT_ENUM_PARAMS(T) >* operand
BOOST_VARIANT_AUX_GET_EXPLICIT_TEMPLATE_TYPE(U)
)
{
typedef typename boost::add_pointer<U>::type U_ptr;
if (!operand) return static_cast<U_ptr>(0);
boost::detail::variant::get_visitor<U> v;
return operand->apply_visitor(v);
}
template <typename U, BOOST_VARIANT_ENUM_PARAMS(typename T) >
inline
typename boost::add_pointer<const U>::type
get(
const boost::variant< BOOST_VARIANT_ENUM_PARAMS(T) >* operand
BOOST_VARIANT_AUX_GET_EXPLICIT_TEMPLATE_TYPE(U)
)
{
typedef typename boost::add_pointer<const U>::type U_ptr;
if (!operand) return static_cast<U_ptr>(0);
boost::detail::variant::get_visitor<const U> v;
return operand->apply_visitor(v);
}
template <typename U, BOOST_VARIANT_ENUM_PARAMS(typename T) >
inline
typename boost::add_reference<U>::type
get(
boost::variant< BOOST_VARIANT_ENUM_PARAMS(T) >& operand
BOOST_VARIANT_AUX_GET_EXPLICIT_TEMPLATE_TYPE(U)
)
{
typedef typename boost::add_pointer<U>::type U_ptr;
U_ptr result = variant_workaround::get<U>(&operand);
if (!result)
throw boost::bad_get();
return *result;
}
template <typename U, BOOST_VARIANT_ENUM_PARAMS(typename T) >
inline
typename boost::add_reference<const U>::type
get(
const boost::variant< BOOST_VARIANT_ENUM_PARAMS(T) >& operand
BOOST_VARIANT_AUX_GET_EXPLICIT_TEMPLATE_TYPE(U)
)
{
typedef typename boost::add_pointer<const U>::type U_ptr;
U_ptr result = variant_workaround::get<const U>(&operand);
if (!result)
throw boost::bad_get();
return *result;
}
#endif
}