boostdynamicbitset

Boost.Dynamic Bitset is a class in the Boost C++ libraries that provides a dynamic bitset, which is a fixed-size container that represents a sequence of bits, each of which can be either 0 or 1. Dynamism in this class refers to the ability to adjust the size of the bitset as needed, as opposed to a fixed-size bitset where the size is specified at creation time.

The Boost.Dynamic Bitset is part of the Boost.Range library, and it implements the Range interface. This allows dynamic bitsets to be used in a similar way to other containers, and it supports many of the same operations, including iteration, insertions, and removals.

A dynamic bitset is implemented using a vector of integers, where each integer represents one word of bits. This allows the dynamic bitset to be resized dynamically, by simply appending more words to the vector.

The Boost.Dynamic Bitset supports many operations and member functions, including resizing, inserting and removing elements, and performing bitwise operations. It also supports many of the same algorithms and adaptors as the standard C++ bitset, including std::setbit, std::clear, and std::test.

One of the key benefits of the Boost.Dynamic Bitset is its flexibility and ability to adjust its size as needed, making it more suitable for use cases where the size of the bitset may vary over time. It is a useful tool for a wide range of applications, from memory-optimized caching to numerical computation and pairwise comparison.

The Boost.Dynamic Bitset also provides interoperability with other containers, by implementing the Subset and Superset concepts. This allows it to be used in conjunction with other standard containers, like std::vector and std::bitset.