<html lang="en"> <head> <title>Integers - Using as</title> <meta http-equiv="Content-Type" content="text/html"> <meta name="description" content="Using as"> <meta name="generator" content="makeinfo 4.7"> <link title="Top" rel="start" href="index.html#Top"> <link rel="up" href="Numbers.html#Numbers" title="Numbers"> <link rel="next" href="Bignums.html#Bignums" title="Bignums"> <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> <!-- This file documents the GNU Assembler "as". Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000, 2001, 2002, 2006, 2007 Free Software Foundation, Inc. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the license is included in the section entitled ``GNU Free Documentation License''. man end--> <meta http-equiv="Content-Style-Type" content="text/css"> <style type="text/css"><!-- pre.display { font-family:inherit } pre.format { font-family:inherit } pre.smalldisplay { font-family:inherit; font-size:smaller } pre.smallformat { font-family:inherit; font-size:smaller } pre.smallexample { font-size:smaller } pre.smalllisp { font-size:smaller } span.sc { font-variant:small-caps } span.roman { font-family: serif; font-weight: normal; } --></style> </head> <body> <div class="node"> <p> <a name="Integers"></a>Next: <a rel="next" accesskey="n" href="Bignums.html#Bignums">Bignums</a>, Up: <a rel="up" accesskey="u" href="Numbers.html#Numbers">Numbers</a> <hr><br> </div> <h5 class="subsubsection">3.6.2.1 Integers</h5> <p><a name="index-integers-169"></a><a name="index-constants_002c-integer-170"></a> <a name="index-binary-integers-171"></a><a name="index-integers_002c-binary-172"></a>A binary integer is <span class="samp">0b</span> or <span class="samp">0B</span> followed by zero or more of the binary digits <span class="samp">01</span>. <p><a name="index-octal-integers-173"></a><a name="index-integers_002c-octal-174"></a>An octal integer is <span class="samp">0</span> followed by zero or more of the octal digits (<span class="samp">01234567</span>). <p><a name="index-decimal-integers-175"></a><a name="index-integers_002c-decimal-176"></a>A decimal integer starts with a non-zero digit followed by zero or more digits (<span class="samp">0123456789</span>). <p><a name="index-hexadecimal-integers-177"></a><a name="index-integers_002c-hexadecimal-178"></a>A hexadecimal integer is <span class="samp">0x</span> or <span class="samp">0X</span> followed by one or more hexadecimal digits chosen from <span class="samp">0123456789abcdefABCDEF</span>. <p>Integers have the usual values. To denote a negative integer, use the prefix operator <span class="samp">-</span> discussed under expressions (see <a href="Prefix-Ops.html#Prefix-Ops">Prefix Operators</a>). </body></html>