ceph/src/boost/libs/mpl/doc/refmanual/greater-equal.html

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   7 <title>The MPL Reference Manual: greater_equal</title>
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  11 <table class="header"><tr class="header"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./greater.html" class="navigation-link">Prev</a>&nbsp;<a href="./equal-to.html" class="navigation-link">Next</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./greater.html" class="navigation-link">Back</a>&nbsp;<a href="./equal-to.html" class="navigation-link">Along</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./comparisons.html" class="navigation-link">Up</a>&nbsp;<a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td>
  12 <td class="header-group page-location"><a href="../refmanual.html" class="navigation-link">Front Page</a> / <a href="./metafunctions.html" class="navigation-link">Metafunctions</a> / <a href="./comparisons.html" class="navigation-link">Comparisons</a> / <a href="./greater-equal.html" class="navigation-link">greater_equal</a></td>
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  14 <div class="section" id="greater-equal">
  15 <h1><a class="toc-backref" href="./comparisons.html#id1546">greater_equal</a></h1>
  16 <div class="section" id="id1041">
  17 <h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3>
  18 <pre class="literal-block">
  19 template&lt;
  20       typename T1
  21     , typename T2
  22     &gt;
  23 struct <a href="./greater-equal.html" class="identifier">greater_equal</a>
  24 {
  25     typedef <em>unspecified</em> type;
  26 };
  27 </pre>
  28 </div>
  29 <div class="section" id="id1042">
  30 <h3><a class="subsection-title" href="#description" name="description">Description</a></h3>
  31 <p>Returns a true-valued <a class="reference internal" href="./integral-constant.html">Integral Constant</a> if <tt class="literal"><span class="pre">T1</span></tt> is greater than or equal to <tt class="literal"><span class="pre">T2</span></tt>.</p>
  32 </div>
  33 <div class="section" id="id1043">
  34 <h3><a class="subsection-title" href="#header" name="header">Header</a></h3>
  35 <pre class="literal-block">
  36 #include &lt;<a href="../../../../boost/mpl/greater_equal.hpp" class="header">boost/mpl/greater_equal.hpp</a>&gt;
  37 #include &lt;<a href="../../../../boost/mpl/comparison.hpp" class="header">boost/mpl/comparison.hpp</a>&gt;
  38 </pre>
  39 </div>
  40 <div class="section" id="id1044">
  41 <h3><a class="subsection-title" href="#model-of" name="model-of">Model of</a></h3>
  42 <p><a class="reference internal" href="./numeric-metafunction.html">Numeric Metafunction</a></p>
  43 </div>
  44 <div class="section" id="id1045">
  45 <h3><a class="subsection-title" href="#parameters" name="parameters">Parameters</a></h3>
  46 <table border="1" class="docutils table">
  47 <colgroup>
  48 <col width="17%" />
  49 <col width="30%" />
  50 <col width="53%" />
  51 </colgroup>
  52 <thead valign="bottom">
  53 <tr><th class="head">Parameter</th>
  54 <th class="head">Requirement</th>
  55 <th class="head">Description</th>
  56 </tr>
  57 </thead>
  58 <tbody valign="top">
  59 <tr><td><tt class="literal"><span class="pre">T1</span></tt>, <tt class="literal"><span class="pre">T2</span></tt></td>
  60 <td><a class="reference internal" href="./integral-constant.html">Integral Constant</a></td>
  61 <td>Operation's arguments.</td>
  62 </tr>
  63 </tbody>
  64 </table>
  65 <p>[<em>Note:</em> The requirements listed in this specification
  66 are the ones imposed by the default implementation. See <a class="reference internal" href="./numeric-metafunction.html">Numeric Metafunction</a> concept
  67 for the details on how to provide an implementation for a user-defined numeric type
  68 that does not satisfy the <a class="reference internal" href="./integral-constant.html">Integral Constant</a> requirements. — <em>end note</em>]</p>
  69 </div>
  70 <div class="section" id="id1046">
  71 <h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3>
  72 <p>For any <a class="reference internal" href="./integral-constant.html">Integral Constant</a>s <tt class="literal"><span class="pre">c1</span></tt> and <tt class="literal"><span class="pre">c2</span></tt>:</p>
  73 <pre class="literal-block">
  74 typedef <a href="./greater-equal.html" class="identifier">greater_equal</a>&lt;c1,c2&gt;::type r;
  75 </pre>
  76 <table class="docutils field-list" frame="void" rules="none">
  77 <col class="field-name" />
  78 <col class="field-body" />
  79 <tbody valign="top">
  80 <tr class="field"><th class="field-name">Return type:</th><td class="field-body"><p class="first"><a class="reference internal" href="./integral-constant.html">Integral Constant</a>.</p>
  81 </td>
  82 </tr>
  83 <tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><p class="first">Equivalent to</p>
  84 <pre class="last literal-block">
  85 typedef <a href="./bool.html" class="identifier">bool_</a>&lt; (c1::value &lt; c2::value) &gt; r;
  86 </pre>
  87 </td>
  88 </tr>
  89 </tbody>
  90 </table>
  91 <!-- .......................................................................... -->
  92 <pre class="literal-block">
  93 typedef <a href="./greater-equal.html" class="identifier">greater_equal</a>&lt;c1,c2&gt; r;
  94 </pre>
  95 <table class="docutils field-list" frame="void" rules="none">
  96 <col class="field-name" />
  97 <col class="field-body" />
  98 <tbody valign="top">
  99 <tr class="field"><th class="field-name">Return type:</th><td class="field-body"><p class="first"><a class="reference internal" href="./integral-constant.html">Integral Constant</a>.</p>
 100 </td>
 101 </tr>
 102 <tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><p class="first">Equivalent to</p>
 103 <pre class="last literal-block">
 104 struct r : <a href="./greater-equal.html" class="identifier">greater_equal</a>&lt;c1,c2&gt;::type {};
 105 </pre>
 106 </td>
 107 </tr>
 108 </tbody>
 109 </table>
 110 </div>
 111 <div class="section" id="id1047">
 112 <h3><a class="subsection-title" href="#complexity" name="complexity">Complexity</a></h3>
 113 <p>Amortized constant time.</p>
 114 </div>
 115 <div class="section" id="id1048">
 116 <h3><a class="subsection-title" href="#example" name="example">Example</a></h3>
 117 <pre class="literal-block">
 118 <a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( <a href="./greater-equal.html" class="identifier">greater_equal</a>&lt; <a href="./int.html" class="identifier">int_</a>&lt;10&gt;, <a href="./int.html" class="identifier">int_</a>&lt;0&gt; &gt; ));
 119 <a href="./assert-not.html" class="identifier">BOOST_MPL_ASSERT_NOT</a>(( <a href="./greater-equal.html" class="identifier">greater_equal</a>&lt; <a href="./long.html" class="identifier">long_</a>&lt;0&gt;, <a href="./int.html" class="identifier">int_</a>&lt;10&gt; &gt; ));
 120 <a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( <a href="./greater-equal.html" class="identifier">greater_equal</a>&lt; <a href="./long.html" class="identifier">long_</a>&lt;10&gt;, <a href="./int.html" class="identifier">int_</a>&lt;10&gt; > ));
 121 </pre>
 122 </div>
 123 <div class="section" id="id1049">
 124 <h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3>
 125 <p><a class="reference internal" href="./comparisons.html">Comparisons</a>, <a class="reference internal" href="./numeric-metafunction.html">Numeric Metafunction</a>, <a class="reference internal" href="./numeric-cast.html">numeric_cast</a>, <a class="reference internal" href="./greater.html">greater</a>, <a class="reference internal" href="./less.html">less</a>, <a class="reference internal" href="./equal-to.html">equal_to</a></p>
 126 <!-- Metafunctions/Comparisons//equal_to |50 -->
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