feedc0de/boost_container
1
0
Fork 0
forked from boostorg/container
Code Pull Requests Activity

Reworked devector's relocation options, instead of relocation_limit<relocation_limit_XX>, it's specified by single "relocate_on_XX"

Browse Source
This commit is contained in:
Ion Gaztañaga
2022-10-01 23:39:28 +02:00
parent 4e4d2afef2
commit 4bed49ee14
9 changed files with 819 additions and 103 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/boost/container/devector.hpp
+5 -30
View File
@@ -62,31 +62,6 @@ namespace container {
#if !defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
struct relocation_limit_66
{
static const std::size_t free_fraction = 3u;
};
struct relocation_limit_75
{
static const std::size_t free_fraction = 4u;
};
struct relocation_limit_80
{
static const std::size_t free_fraction = 5u;
};
struct relocation_limit_86
{
static const std::size_t free_fraction = 7u;
};
struct relocation_limit_90
{
static const std::size_t free_fraction = 10u;
};
struct growth_factor_60;
template<class Options, class AllocatorSizeType>
@@ -94,14 +69,14 @@ struct get_devector_opt
{
typedef devector_opt< typename default_if_void<typename Options::growth_factor_type, growth_factor_60>::type
, typename default_if_void<typename Options::stored_size_type, AllocatorSizeType>::type
, typename default_if_void<typename Options::relocation_limit_type, relocation_limit_90>::type
, default_if_zero<Options::free_fraction, relocate_on_90::value>::value
> type;
};
template<class AllocatorSizeType>
struct get_devector_opt<void, AllocatorSizeType>
{
typedef devector_opt< growth_factor_60, AllocatorSizeType, relocation_limit_90> type;
typedef devector_opt< growth_factor_60, AllocatorSizeType, relocate_on_90::value> type;
};
#endif //#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
@@ -178,7 +153,7 @@ class devector
typedef typename options_type::growth_factor_type growth_factor_type;
typedef typename options_type::stored_size_type stored_size_type;
static const std::size_t devector_min_free_fraction =
options_type::relocation_limit_type::free_fraction;
options_type::free_fraction;
#endif // ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
@@ -984,9 +959,9 @@ class devector
/**
* **Returns**: The *minimum* number of elements that can be inserted into devector using
* position-based insertions without requiring a reallocation. Note that, unlike in
* typical sequence containers like `vector`, `capacity()` can be smaller than `size()`.
* typical sequence containers like `vector`, `capacity()`, `capacity()` can be smaller than `size()`.
* This can happen if a user inserts elements in a particular way (usually inserting at
* front up to fron_free_capacity() and at back up to back_free_capacity()).
* front up to front_free_capacity() and at back up to back_free_capacity()).
*
* **Complexity**: Constant.
*/