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A '''bignum''' system in a ] or program allows internal representation of arbitrarily large ]s or arbitrarily precise ]s and implements arithmetic operations on such numbers. Numbers are typically stored as (ratios of) digit lists which can grow using dynamically allocated memory.
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Bignums were first implemented in ]. The ]/] ] offered bignum facilities as a collection of ] ]s. Today bignum libraries are available for practically every modern programming language. The ]
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is a ] ] library that offers bignum features. All ]s implement bignum facilities.
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Bignum systems often employ fast ]s and many provide ] primitives such as ].
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