<html xmlns="http://www.w3.org/1999/xhtml"><head></head><body><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="1" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[1]</anchor-end> <dfn><rubyb xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">整数<rt xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">integer</rt></rubyb></dfn>は、<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">自然数</anchor>、<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">0</anchor>、または<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">自然数</anchor>に <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">-1</anchor> を掛けた<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">数</anchor>です。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="7" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[7]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">整数</anchor>は、しばしば<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">無限集合</anchor>である<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">数学</anchor>的な<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">整数</anchor>ではなく、
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">文字</anchor>や<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">浮動小数点数</anchor>とは異なった、<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">整数</anchor>を表すための<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">データ型</anchor>である<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">数値型</anchor>によって表現されるもののことを指します。
この場合の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">整数</anchor>は、<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">有限集合</anchor>です。</p><comment-p xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">データ型</anchor>であることを明示するため<dfn xmlns="http://www.w3.org/1999/xhtml"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">整数型</anchor></dfn>といいます。</comment-p><section><h1>仕様書</h1><refs xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:"><ul xmlns="http://www.w3.org/1999/xhtml"><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="8" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[8]</anchor-end> <cite xml:lang="en">URL Standard</cite> (<time>2016-02-15 18:33:32 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://url.spec.whatwg.org/#serialize-an-integer">https://url.spec.whatwg.org/#serialize-an-integer</anchor-external></li></ul></refs></section><section><h1>記号</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="2" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[2]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">整数</anchor>全体の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">集合</anchor>は、しばしば <dfn>𝐙</dfn> 
(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">太字</anchor>の <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">Z</anchor>)
と記述されます。</p></section><section><h1>MathML における定義</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="3" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[3]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">MathML</anchor> における <dfn><code>integer</code></dfn> は、<code class="char"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">-</anchor></code> があるかまたはないかの後に
<code><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">decimal-digit</anchor></code> が複数続く<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">文字列</anchor>で、<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">整数</anchor>を表します。</p><comment-p xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><cite xmlns="http://www.w3.org/1999/xhtml">MathML Fundamentals</cite> (<time xmlns="http://www.w3.org/1999/xhtml">2010-10-21 05:51:46 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://www.w3.org/TR/2010/REC-MathML3-20101021/chapter2.html#type.integer">http://www.w3.org/TR/2010/REC-MathML3-20101021/chapter2.html#type.integer</anchor-external></comment-p><section><h1>関連</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="4" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[4]</anchor-end> <code><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">unsigned-integer</anchor></code>、<code><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">positive-integer</anchor></code> は <code><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">integer</anchor></code>
の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">部分集合</anchor>です。</p></section></section><section><h1>直列化</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="9" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[9]</anchor-end> <dfn><rubyb xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">整数の直列化<rt xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">serialize an integer</rt></rubyb></dfn>は、
可能な限り短い<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">十進数</anchor>として表現することをいいます <src xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="8" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;8</anchor-internal></src>。</p><comment-p xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="10" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[10]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">URL</anchor>や<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">起源</anchor>の<f xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">ポート</f>の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">直列化</anchor>でこの定義が使われます。</comment-p></section><section><h1>演算</h1><figure class="short list"><figcaption><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="16" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[16]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">整数</anchor>に対する<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">演算</anchor></figcaption><ul><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">整数除算</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">剰余</anchor></li></ul></figure></section><section><h1>部分集合</h1><figure class="short list"><figcaption><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="14" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[14]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">整数</anchor>の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">部分集合</anchor></figcaption><ul><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">非負整数</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">自然数</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">正整数</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">負整数</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">偶数</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">奇数</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">素数</anchor></li></ul></figure></section><section><h1>応用</h1><figure class="short list"><figcaption><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="15" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[15]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">整数</anchor>の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">応用</anchor></figcaption><ul><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">整数論</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">整数時刻系</anchor></li><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">一般化可変長整数</anchor></li></ul></figure></section><section><h1>歴史</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="5" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[5]</anchor-end> <cite>Basic Data Types and Interfaces – SVG 1.1 (Second Edition)</cite>
( (<time>2011-08-10 12:35:27 +09:00</time> 版))
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://www.w3.org/TR/2011/REC-SVG11-20110816/types.html#DataTypeInteger">http://www.w3.org/TR/2011/REC-SVG11-20110816/types.html#DataTypeInteger</anchor-external></p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="6" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[6]</anchor-end> <cite><strong>[</strong>whatwg<strong>]</strong> Discrepancies between HTML and ES rules for parsing an integer or float</cite>
(<time>2012-01-24 09:35:06 +09:00</time> 版)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2012-January/034479.html">http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2012-January/034479.html</anchor-external></p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="11" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[11]</anchor-end> <cite xml:lang="ja">ほとんど整数 - Wikipedia</cite>
( (<time>2016-07-28 17:53:56 +09:00</time>))
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://ja.wikipedia.org/wiki/%E3%81%BB%E3%81%A8%E3%82%93%E3%81%A9%E6%95%B4%E6%95%B0">https://ja.wikipedia.org/wiki/%E3%81%BB%E3%81%A8%E3%82%93%E3%81%A9%E6%95%B4%E6%95%B0</anchor-external></p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="12" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[12]</anchor-end> <cite xml:lang="en">Refactor integer conversion in ES bindings. (#235)</cite>
(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">tobie</anchor>著, <time>2016-11-12 09:16:39 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://github.com/heycam/webidl/commit/1bb4774e48acdf8bfaf32a56bfc03d5e32bd69ed">https://github.com/heycam/webidl/commit/1bb4774e48acdf8bfaf32a56bfc03d5e32bd69ed</anchor-external></p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="13" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[13]</anchor-end> <cite xml:lang="en">Carry out math operations on real numbers, not IEEE 754. (#316)</cite>
(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">tobie</anchor>著, <time>2017-02-23 04:43:17 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://github.com/heycam/webidl/commit/6b2bbb3f5ec5c310fe42756554d5532c745f1b1f">https://github.com/heycam/webidl/commit/6b2bbb3f5ec5c310fe42756554d5532c745f1b1f</anchor-external></p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="17" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[17]</anchor-end> <cite xml:lang="en">Allow Range header to be set by APIs</cite>
(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">jakearchibald</anchor>著, <time>2018-05-30 02:00:06 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://github.com/whatwg/fetch/commit/819d8c9d6617986a831ecd9cf21c34ba9589a890">https://github.com/whatwg/fetch/commit/819d8c9d6617986a831ecd9cf21c34ba9589a890</anchor-external></p></section></body></html>