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Fixes #8118

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[SVN r83044]
This commit is contained in:
Ion Gaztañaga
2013-02-20 08:27:49 +00:00
parent f309f82a8f
commit aa74aab3d2
1 changed files with 6 additions and 4 deletions
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10
include/boost/container/stable_vector.hpp
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@@ -945,7 +945,7 @@ class stable_vector
size_type size() const BOOST_CONTAINER_NOEXCEPT size_type size() const BOOST_CONTAINER_NOEXCEPT
{ {
const size_type index_size = this->index.size(); const size_type index_size = this->index.size();
return index_size ? (index_size - ExtraPointers) : 0; return (index_size - ExtraPointers) & (std::size_t(0u) -std::size_t(index_size != 0));
} }
//! <b>Effects</b>: Returns the largest possible size of the stable_vector. //! <b>Effects</b>: Returns the largest possible size of the stable_vector.
@@ -1001,7 +1001,9 @@ class stable_vector
const size_type node_extra_capacity = this->internal_data.pool_size; const size_type node_extra_capacity = this->internal_data.pool_size;
const size_type extra_capacity = (bucket_extra_capacity < node_extra_capacity) const size_type extra_capacity = (bucket_extra_capacity < node_extra_capacity)
? bucket_extra_capacity : node_extra_capacity; ? bucket_extra_capacity : node_extra_capacity;
return (index_size ? (index_size - ExtraPointers + extra_capacity) : index_size); const size_type index_offset =
(ExtraPointers + extra_capacity) & (size_type(0u) - size_type(index_size != 0));
return index_size - index_offset;
} }
//! <b>Effects</b>: If n is less than or equal to capacity(), this call has no //! <b>Effects</b>: If n is less than or equal to capacity(), this call has no
@@ -1102,7 +1104,7 @@ class stable_vector
//! //!
//! <b>Complexity</b>: Constant. //! <b>Complexity</b>: Constant.
reference back() BOOST_CONTAINER_NOEXCEPT reference back() BOOST_CONTAINER_NOEXCEPT
{ return static_cast<node_reference>(*this->index[this->size() - ExtraPointers]).value; } { return static_cast<node_reference>(*this->index[this->size()-1u]).value; }
//! <b>Requires</b>: !empty() //! <b>Requires</b>: !empty()
//! //!
@@ -1113,7 +1115,7 @@ class stable_vector
//! //!
//! <b>Complexity</b>: Constant. //! <b>Complexity</b>: Constant.
const_reference back() const BOOST_CONTAINER_NOEXCEPT const_reference back() const BOOST_CONTAINER_NOEXCEPT
{ return static_cast<const_node_reference>(*this->index[this->size() - ExtraPointers]).value; } { return static_cast<const_node_reference>(*this->index[this->size()-1u]).value; }
//! <b>Requires</b>: size() > n. //! <b>Requires</b>: size() > n.
//! //!