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distance/advance fixes

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[SVN r17795]
This commit is contained in:
Aleksey Gurtovoy
2003-03-10 02:27:06 +00:00
parent b43fe08bf2
commit 4c750b8152
3 changed files with 9 additions and 6 deletions
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9
include/boost/mpl/advance.hpp
View File

@@ -46,10 +46,13 @@ namespace aux {
template< typename Category, typename Iterator, typename N >
struct advance_impl
{
typedef typename less< N,integral_c<long,0> >::type backward_;
typedef typename if_< backward_, negate<N>, N >::type offset_;
typedef typename if_<
typename less< N,integral_c<long,0> >::type
, aux::advance_backward< ::boost::mpl::negate<N>::value >
, aux::advance_forward< BOOST_MPL_AUX_VALUE_WKND(N)::value >
backward_
, aux::advance_backward< BOOST_MPL_AUX_VALUE_WKND(offset_)::value >
, aux::advance_forward< BOOST_MPL_AUX_VALUE_WKND(offset_)::value >
>::type algo_;
typedef typename BOOST_MPL_AUX_APPLY1(algo_,Iterator)::type type;

2
include/boost/mpl/aux_/is_msvc_eti_arg.hpp
View File

@@ -45,7 +45,7 @@ struct is_msvc_eti_arg
{
static no_tag test(...);
static yes_tag test(eti_int_convertible);
static T get();
static T& get();
BOOST_STATIC_CONSTANT(bool, value =
sizeof(test(get())) == sizeof(yes_tag)

4
include/boost/mpl/distance.hpp
View File

@@ -42,7 +42,7 @@ template< typename Category, typename First, typename Last >
struct distance_impl
: iter_fold<
iterator_range<First,Last>
, integral_c<unsigned long, 0>
, integral_c<long, 0>
, next<>
>
{
@@ -81,7 +81,7 @@ struct distance_impl
template< typename First, typename Last > struct result_
: iter_fold<
iterator_range<First,Last>
, integral_c<unsigned long, 0>
, integral_c<long, 0>
, next<>
>
{