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109 lines
4.2 KiB
HTML
109 lines
4.2 KiB
HTML
4 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- This manual describes how to install and use the GNU multiple precision
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arithmetic library, version 6.1.0.
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Copyright 1991, 1993-2015 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document under
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the terms of the GNU Free Documentation License, Version 1.3 or any later
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version published by the Free Software Foundation; with no Invariant Sections,
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with the Front-Cover Texts being "A GNU Manual", and with the Back-Cover
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Texts being "You have freedom to copy and modify this GNU Manual, like GNU
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software". A copy of the license is included in
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GNU Free Documentation License. -->
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>Compatibility with older versions (GNU MP 6.1.0)</title>
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<meta name="description" content="How to install and use the GNU multiple precision arithmetic library, version 6.1.0.">
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<meta name="keywords" content="Compatibility with older versions (GNU MP 6.1.0)">
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<meta name="resource-type" content="document">
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<meta name="distribution" content="global">
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<meta name="Generator" content="makeinfo">
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index">
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<link href="GMP-Basics.html#GMP-Basics" rel="up" title="GMP Basics">
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<link href="Demonstration-Programs.html#Demonstration-Programs" rel="next" title="Demonstration Programs">
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<link href="Useful-Macros-and-Constants.html#Useful-Macros-and-Constants" rel="prev" title="Useful Macros and Constants">
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<style type="text/css">
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ul.no-bullet {list-style: none}
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-->
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</style>
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</head>
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<body lang="en">
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<a name="Compatibility-with-older-versions"></a>
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<div class="header">
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<p>
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Next: <a href="Demonstration-Programs.html#Demonstration-Programs" accesskey="n" rel="next">Demonstration Programs</a>, Previous: <a href="Useful-Macros-and-Constants.html#Useful-Macros-and-Constants" accesskey="p" rel="prev">Useful Macros and Constants</a>, Up: <a href="GMP-Basics.html#GMP-Basics" accesskey="u" rel="up">GMP Basics</a> [<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="Compatibility-with-older-versions-1"></a>
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<h3 class="section">3.9 Compatibility with older versions</h3>
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<a name="index-Compatibility-with-older-versions"></a>
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<a name="index-Past-GMP-versions"></a>
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<a name="index-Upward-compatibility"></a>
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<p>This version of GMP is upwardly binary compatible with all 5.x, 4.x, and 3.x
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versions, and upwardly compatible at the source level with all 2.x versions,
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with the following exceptions.
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</p>
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<ul>
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<li> <code>mpn_gcd</code> had its source arguments swapped as of GMP 3.0, for consistency
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with other <code>mpn</code> functions.
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</li><li> <code>mpf_get_prec</code> counted precision slightly differently in GMP 3.0 and
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3.0.1, but in 3.1 reverted to the 2.x style.
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</li><li> <code>mpn_bdivmod</code>, documented as preliminary in GMP 4, has been removed.
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</li></ul>
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<p>There are a number of compatibility issues between GMP 1 and GMP 2 that of
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course also apply when porting applications from GMP 1 to GMP 5. Please
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see the GMP 2 manual for details.
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</p>
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</body>
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</html>
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