Re: [boost] Boost 1.34.0 Released

From: Atry (pop.atry_at_[hidden])
Date: 2007-05-12 21:39:58

Thomas Witt 写道:
> Boost 1.34.0, the latest version of peer-reviewed, portable C++
> libraries, has been released. This release brings five new libraries
> and extensive updates to existing libraries.
>
> http://www.boost.org
>
> New Libraries
>
>      * Foreach Library:
>          BOOST_FOREACH macro for easily iterating over the elements of a
>          sequence, from Eric Niebler.
>      * Statechart Library:
>          Arbitrarily complex finite state machines can be implemented in
>          easily readable and maintainable C++ code, from Andreas Huber.
>      * TR1 Library:
>          An implementation of the C++ Technical Report on Standard  
> Library
>          Extensions, from John Maddock.
>          This library does not itself implement the TR1 components,  
> rather
>          it's a thin wrapper that will include your standard  
> library's TR1
>          implementation (if it has one), otherwise it will include  
> the Boost
>          Library equivalents, and import them into namespace  
> std::tr1. Highlights
>          include: Reference Wrappers, Smart Pointers, result_of,
>          Function Object Binders, Polymorphic function wrappers, Type  
> Traits,
>          Random Number Generators and Distributions, Tuples, Fixed  
> Size Array,
>          Hash Function Objects, Regular Expressions and
>          Complex Number Additional Algorithms.
>      * Typeof Library:
>          Typeof operator emulation, from Arkadiy Vertleyb and Peder  
> Holt.
>      * Xpressive Library:
>          Regular expressions that can be written as strings or as  
> expression
>          templates, and that can refer to each other and themselves  
> recursively
>          with the power of context-free grammars, from Eric Niebler.
>
> Updated Libraries
>
>      * Assign Library:
>            o Support for ptr_map<key,T> via the new function  
> ptr_map_insert()
>            o Support for initialization of Pointer Containers when  
> the containers
>              hold pointers to an abstract base class.
>      * Date_time library:
>            o Support for new US/Canada timezone rules and other bug  
> fixes.
>              See Change History for details.
>      * Filesystem Library:
>          Major upgrade in preparation for submission to the C++  
> Standards Committee
>          for TR2. Changes include:
>            o Internationalization, provided by class templates  
> basic_path,
>              basic_filesystem_error, basic_directory_iterator
>              and basic_directory_entry.
>            o Simplification of the path interface by eliminating  
> special constructors
>              to identify native formats.
>            o Rationalization of predicate function design, including  
> the addition of
>              several new functions.
>            o Clearer specification by reference to POSIX, the ISO/ 
> IEEE Single Unix
>              Standard, with provisions for Windows and other  
> operating systems.
>            o Preservation of existing user code whenever possible.
>            o More efficient directory iteration.
>            o Addition of a recursive directory iterator.
>      * Function Library:
>          Boost.Function now implements a small buffer optimization,  
> which can
>          drastically improve the performance when copying or  
> constructing
>          Boost.Function objects storing small function objects. For  
> instance,
>          bind(&X:foo, &x, _1, _2) requires no heap allocation when  
> placed into
>          a Boost.Function object.
>      * Functional/Hash Library
>            o Use declarations for standard classes, so that the  
> library doesn't
>              need to include all of their headers
>            o Deprecated the <boost/functional/hash/*.hpp> headers.
>            o Add support for the BOOST_HASH_NO_EXTENSIONS macro,  
> which disables
>              the extensions to TR1
>            o Minor improvements to the hash functions for floating  
> point numbers.
>      * Graph Library:
>            o edmonds_maximum_cardinality_matching, from Aaron Windsor.
>            o lengauer_tarjan_dominator_tree, from JongSoo Park.
>            o compressed_sparse_row_graph, from Jeremiah Willcock and  
> Douglas Gregor
>              of Indiana University.
>            o sorted_erdos_renyi_iterator, from Jeremiah Willcock
>              of Indiana University.
>            o biconnected_components now supports a visitor and named  
> parameters,
>              from Janusz Piwowarski.
>            o adjacency_matrix now models the Bidirectional Graph  
> concept.
>            o dijkstra_shortest_paths now calls vis.initialize_vertex  
> for each
>              vertex during initialization.
>            o Note: the name of the compiled library for the GraphViz  
> reader has
>              changed to boost_graph (from bgl-viz) to match Boost  
> conventions.
>            o See the complete revision history for more information.
>      * MultiArray Library:
>          Boost.MultiArray now by default provides range-checking for  
> operator[].
>          Range checking can be disabled by defining the macro  
> BOOST_DISABLE_ASSERTS
>          before including multi_array.hpp. A bug in  
> multi_array::resize() related
>          to storage orders was fixed.
>      * Multi-index Containers Library:
>            o New random access indices.
>            o Non key-based indices feature new rearrange facilities.
>            o This version also includes a number of optimizations and  
> usage
>              improvements. For a complete list of changes,
>              see the library release notes.
>      * Optional Library:
>            o boost::none_t and boost::none now added to Optional's  
> documentation
>            o Relational operators now directly support arguments of  
> type 'T'
>              and 'none_t'
>            o operator->() now also works with reference types.
>            o Helper functions make_optional(val), make_optional 
> (cond,val)
>              and get_optional_value_or(opt,alternative_value) added.
>            o Constructor taking a boolean condition (as well as a  
> value) added.
>            o Member function get_value_or(alternative_value) added.
>            o Incompatbility bug with mpl::apply<> fixed.
>            o Converting assignment bug with uninitialized lvalues fixed.
>      * Parameter Library:
>            o Every ArgumentPack is now a valid MPL Forward Sequence.
>            o Support for unnamed arguments (those whose keyword is  
> deduced from
>              their types) is added.
>            o Support for named and unnamed template arguments is added.
>            o New overload generation macros solve the forwarding  
> problem directly.
>            o See also the Python library changes, below.
>      * Pointer Container Library:
>            o Support for serialization via Boost.Serialization.
>            o Exceptions can be disabled by defining the macro
>              BOOST_PTR_CONTAINER_NO_EXCEPTIONS before including any  
> header.
>              This macro is defined by default if BOOST_NO_EXCEPTIONS  
> is defined.
>            o Additional std::auto_ptr<T> overloads added s.t. one can  
> also pass
>              std::auto_ptr<T> instead of only T* arguments to member  
> functions.
>            o transfer() now has weaker requirements s.t. one can  
> transfer objects
>              from ptr_container<Derived> to ptr_container<Base>,
>      * Python Library:
>            o Boost.Python now automatically appends C++ signatures to  
> docstrings.
>              The new docstring_options.hpp header is available to  
> control the
>              content of docstrings.
>            o stl_input_iterator, for turning a Python iterable object  
> into an STL
>              input iterator, from Eric Niebler.
>            o Support for void* conversions is added.
>            o Integrated support for wrapping C++ functions built with  
> the
>              parameter library; keyword names are automatically known to
>              docsstrings.
>            o Enhancements to the API for better embedding support
>              (boost::python::import(), boost::python::exec()
>               and boost::python::exec_file()).
>      * Signals Library:
>          More improvements to signal invocation performance from  
> Robert Zeh.
>      * Smart Pointers Library:
>            o Allocator support as proposed in N1851 (162 Kb PDF).
>            o pointer_cast and pointer_to_other utilities to allow
>              pointer-independent code, from Ion Gaztanaga.
>      * String Algorithm Library:
>            o lexicographical_compare
>            o join
>            o New comparison predicates is_less, is_not_greater.
>            o Negative indexes support (like Perl) in various algorihtms
>              (*_head/tail, *_nth).
>      * Wave Library:
>            o Wave now correctly recognizes pp-number tokens as  
> mandated by the
>              C++ Standard, which are converted to C++ tokens right  
> before they are
>              returned from the library.
>            o Several new preprocessing hooks have been added. For a  
> complete
>              description please refer to the related documentation page:
>              The Context Policy.
>            o Shared library (dll) support has been added for the  
> generated Wave
>              libraries.
>            o The overall error handling has been improved. It is now  
> possible to
>              recover and continue after an error or a warning was  
> issued.
>            o Support for optional comment and/or full whitespace  
> preservation
>              in the generated output stream has been added.
>            o The Wave library now performs automatic include guard  
> detection to
>              avoid accessing header files more than once, if  
> appropriate.
>            o Full interactive mode has been added to the Wave tool.  
> Now the Wave
>              tool can be used just like Python or Perl for instance to
>              interactively try out your BOOST_PP macros. Additionally  
> it is now
>              possible to load and save the current state of an  
> interactive
>              session (macro tables et.al.).
>            o The overall performance has been improved by upto  
> 40-60%, depending
>              on the concrete files to process.
>            o Support for new pragmas has been added allowing to  
> control certain
>              library features from inside the preprocessed sources  
> (partial
>              output redirection, control of generated whitespace and  
> #line
>              directives).
>            o Optional support for #pragma message "..." has been added.
>            o This version also includes a number of bug fixes and usage
>              improvements. For a complete list of changes, see the  
> libraries
>              change log.
>
> Supported Compilers
>
>    Boost is tested on a wide range of compilers and platforms. Since  
> Boost libraries
>    rely on modern C++ features not available in all compilers, not  
> all Boost
>    libraries will work with every compiler. The following compilers  
> and platforms
>    have been extensively tested with Boost, although many other  
> compilers and
>    platforms will work as well. For more information, see the  
> regression test
>    results.
>
>      * Apple GCC 4.0.1 on Mac OS X.
>      * Borland C++ 5.8.2 on Windows.
>      * GNU C++
>            o 3.2.x., 3.3.x, 3.4.x, 4.0.x, 4.1.x on Linux
>            o 4.1.x on Solaris
>            o 3.4.x on Windows
>      * HP aC++ A.06.14.
>      * Intel C++ 9.1 on Windows, 9.0 on Linux.
>      * Metrowerks CodeWarrior 9.4 on Windows.
>      * Microsoft Visual C++ 6.0 (sp5, with and without STLport), 7.0,  
> 7.1, 8.0.
>        Note: Boost does not support the non-standard "Safe" C++  
> Library shipping
>        with Visual C++ 8.0, which may result in many spurious  
> warnings from Boost
>        headers and other standards-conforming C++ code. To suppress  
> these warnings,
>        define the macro _SCL_SECURE_NO_DEPRECATE.
>      * Sun Studio 11 on Solaris.
>
> Acknowledgements
>
>    Thomas Witt managed this release.
>
>    A great number of people contributed their time and expertise to  
> make this release
>    possible. Special thanks go to Vladimir Prus for making  
> Boost.Build version 2 a
>    reality, David Abrahams for authoring a new Getting Started guide,  
> Rene Rivera for
>    general build and installation support and Greg D. for answering  
> countless questions.
>
>   
It is Sunday now :(