<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <meta name="generator" content="hevea 2.32"> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1"> <link rel="stylesheet" type="text/css" href="manual.css"> <title>Chapter 29  The num library: arbitrary-precision rational arithmetic</title> </head> <body> <a href="libunix.html"><img src="previous_motif.svg" alt="Previous"></a> <a href="index.html"><img src="contents_motif.svg" alt="Up"></a> <a href="libstr.html"><img src="next_motif.svg" alt="Next"></a> <hr> <h1 class="chapter" id="sec561">Chapter 29  The num library: arbitrary-precision rational arithmetic</h1> <p>The <span class="c003">num</span> library implements integer arithmetic and rational arithmetic in arbitrary precision. It was split off the core OCaml distribution starting with the 4.06.0 release, and can now be found at <a href="https://github.com/ocaml/num"><span class="c003">https://github.com/ocaml/num</span></a>.</p><p>New applications that need arbitrary-precision arithmetic should use the <span class="c003">Zarith</span> library (<a href="https://github.com/ocaml/Zarith"><span class="c003">https://github.com/ocaml/Zarith</span></a>) instead of the <span class="c003">Num</span> library, and older applications that already use <span class="c003">Num</span> are encouraged to switch to <span class="c003">Zarith</span>. <span class="c003">Zarith</span> delivers much better performance than <span class="c003">Num</span> and has a nicer API. </p> <hr> <a href="libunix.html"><img src="previous_motif.svg" alt="Previous"></a> <a href="index.html"><img src="contents_motif.svg" alt="Up"></a> <a href="libstr.html"><img src="next_motif.svg" alt="Next"></a> </body> </html>
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