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| The Boost web site provides free peer-reviewed portable C++ source libraries. The emphasis is on libraries which work well with the C++ Standard Library. One goal is to establish "existing practice" and provide reference implementations so that the Boost libraries are suitable for eventual standardization. Some of the libraries have already been proposed for inclusion in the C++ Standards Committee's upcoming C++ Standard Library Technical Report. Although Boost was begun by members of the C++ Standards Committee Library Working Group, membership has expanded to include nearly two thousand members of the C++ community at large. ## Membership If you are interested in becoming a member of Boost, please do so by joining our main developers mailing list. Discussions include both technical and site-related issues, and members are encouraged to participate in formal reviews of proposed libraries. There is also a users mailing list. Both the main Boost developers list and the users list are also accessible as newsgroups. ## Search Boost
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## Latest News October 10, 2002 - Version 1.29.0 Date-Time Library added - Dates, times, leap seconds, infinity, and more, from Jeff Garland. Dynamic Bitset added - A runtime sized version of the `std::bitset` class from Jeremy Siek and Chuck Allison. Format Library added - Type-safe 'printf-like' format operations, from Samuel Krempp. Function Library: Major syntactic changes have been made. Some old syntax and little-used features have been deprecated (and will be removed shortly), and the syntax for the `boost::function` class template has been greatly improved on conforming compilers. Please see the compatibility note for more information. Multi-array Library added - Multidimensional containers and adaptors for arrays of contiguous data, from Ron Garcia. Preprocessor Library: Major upgrade, from Paul Mensonides. Python Library - Version 2 is released, from Dave Abrahams and others. This is a major rewrite which works on many more compilers and platforms, with a completely new interface and lots of new features. Boost.Python v2 requires Python 2.2 or later. Signals Library added - Managed signals & slots callback implementation, from Doug Gregor. Test Library: Major new version, including full unit test capabilities, from Gennadiy Rozental. uBLAS Library added - Basic linear algebra for dense, packed and sparse matrices, from Joerg Walter and Mathias Koch. May 15, 2002 - Version 1.28.0 The Boost mailing lists are now also accessible as newsgroups. A powerful mailing list archive has been contributed by the ActiveState Programmer Network. Lambda Library added, from Jaakko Järvi and Gary Powell. Define small unnamed function objects at the actual call site: `for_each(a.begin(), a.end(), std::cout << _1 << ' ');` I/O State Saver Library added - Save I/O state to prevent jumbled data, from Daryle Walker. Configuration Library: User code should not use BOOST_NO_LIMITS. Random Number Library: Avoid compiler warnings Smart Pointers Library: Added shared_polymorphic_cast and shared_polymorphic_downcast. Function Library: Now supports function objects with the unary `&` operator overloaded. Utility Library: Added `addressof()` function. The usual small fixes and tweaks. February 5, 2002 - Version 1.27.0 Python Library: Scott Snyder contributed inplace operator support. Integer Library: Daryle Walker contributed enhancements to the type selection templates, and added new compile-time bit mask, binary logarithm, and extrema templates. Function Library: user may request that `boost::function` objects store a reference to a function object target instead of a copy, using `ref`. Stateless objects are optimized so that they require no dynamic storage. Quaternions: added support for GCC 2.95.x. Octonions: added support for GCC 2.95.x. Smart Pointers Library: Peter Dimov contributed a new implementation that fixes some bugs and adds some features including thread safety when manipulating the use count, custom delete functions, a new weak_ptr, and shared_static_cast and shared_dynamic_cast. Preprocessor Library: changed macro prefix from BOOST_PREPROCESSOR to BOOST_PP, added support for list data structure manipulation, added examples, made library ANSI C friendly, added generalized repetition and iteration primitives, improved reference manual. Threads Library: Mac Carbon implementation contributed by Mac Murrett. Minor fixes to many libraries. November 30, 2001 - Version 1.26.0 Common Factor Library added. Greatest common divisor and least common multiple, from Daryle Walker. Preprocessor Library added. Preprocessor metaprogramming tools including repetition and recursion, from Vesa Karvonen. Iterator Adaptor Library: Added generator iterator adaptor, from Jens Maurer. Random Number Library: Removed iterator interface. Fixed overflows in uniform_int<>. Both changes cause random number sequences to differ compared to previous boost releases. operators.hpp: Improvements from Daryle and Helmut Ziesel Boost.Build: Continuing improvements, including pre-built Boost.Jam executables. Minor fixes to a number of other libraries.

Revised 10 October, 2002