Boost Multiprecision Library
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+>ANNOUNCEMENT: Support for C++03 is now deprecated in this library and will be supported in existing features only until March 2021. New features will require at least C++11, as will existing features from next year.
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The Multiprecision Library provides integer, rational, floating-point, complex and interval number types in C++ that have more range and
precision than C++'s ordinary built-in types. The big number types in Multiprecision can be used with a wide selection of basic
mathematical operations, elementary transcendental functions as well as the functions in Boost.Math. The Multiprecision types can