<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> 
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">ISO/IEC 11404</anchor> は<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">時間長</anchor>の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">データ型</anchor>
<dfn>Time interval</dfn> <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="3" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;3</anchor-internal></src> を規定しています。</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="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:">ISO/IEC 11404</anchor></li><li><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> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">JIS X 7108:2004</anchor></li></ul></refs></section><section><h1>TM_IntervalLength</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> 
<dfn><code>TM_IntervalLength</code></dfn>
は、
<code>TM_Duration</code>
の一種であり、
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">ISO/IEC 11404</anchor> の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">時間間隔</anchor>を表す<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">データ型</anchor>を使って<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">時間長</anchor>を表すものです。
次の値で構成されます。
<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="4" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;4</anchor-internal> 5.2.3.7</src></p><figure class="list members"><dl><dt><dfn><f xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">unit</f></dfn></dt><dd>
測定単位 (<code>second</code> など)</dd><dt><dfn><f xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">radix</f></dfn></dt><dd>
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">正整数</anchor>。時間単位の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">乗数</anchor>の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">基底</anchor>。</dd><dt><dfn><f xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">factor</f></dfn></dt><dd>
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">整数</anchor>。<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">基底</anchor>の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">冪乗</anchor>数の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">符号<title xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:">正負の符号</title></anchor>反転。</dd><dt><dfn><f xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">value</f></dfn></dt><dd>
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">整数値</anchor>。</dd></dl></figure><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> 
表現される<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">時間長</anchor>は、</p><figure class="math"><p><f xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">value</f> × <f xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">radix</f> <sup> -<f xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">factor</f> </sup> [ <f xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">unit</f> ]</p></figure><p>... となります。</p></section></body></html>