help/info/infinity.html

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  13 <title>infinity</title>
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  32 <h1>infinity</h1>
  33 <hr align="left" width="75%">
  34 <p>The keyword is used for sub-typing to indicate that:</p>
  35 <ul>
  36   <li>the range of an integer value is not limited,</li>
  37   <li>the range of an floating point value is not limited,</li>
  38   <li>the length of a string is not limited</li>
  39   <li>the numer of elements in <font face="Courier New"><b>set of</b></font> and <font face="Courier New"><b>record of</b></font> is not limited.</li>
  40 </ul>
  41 <p>In case of integer and floating point numbers both positive and negative infinity may be used, for strings and <font face="Courier New"><b><a href="of.html">set/record of</a></b></font> only
  42 postivie infinity is meaningful.</p>
  43 <p>Related keywords:</p>
  44 <ul>
  45   <li><a href="bitstring.html"><b><font face="Courier New" color="#003258" size="4">bitstring</font></b></a></li>
  46   <li><a href="charstring.html"><b><font face="Courier New" color="#003258" size="4">charstring</font></b></a></li>
  47   <li><a href="float.html"><b><font face="Courier New" color="#003258" size="4">float</font></b></a></li>
  48   <li><a href="hexstring.html"><b><font face="Courier New" color="#003258" size="4">hexstring</font></b></a></li>
  49   <li><a href="integer.html"><b><font face="Courier New" color="#003258" size="4">integer</font></b></a></li>
  50   <li><a href="octetstring.html"><b><font face="Courier New" color="#003258" size="4">octetstring</font></b></a></li>
  51   <li><a href="of.html"><b><font face="Courier New" color="#003258" size="4">of</font></b></a></li>
  52   <li><a href="type.html"><b><font face="Courier New" color="#003258" size="4">type</font></b></a></li>
  53   <li><a href="universal.html"><b><font face="Courier New" color="#003258" size="4">universal</font></b></a></li>
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  58 <table border="0" width="90%" bgcolor="#FFB599" cellpadding="4">
  59   <tr>
  60     <td width="100%">
  61     <h3 align="center"><b><font color="#003258">[</font><font face="Courier New" color="#003258" size="5">-</font><font color="#003258">]</font><font face="Courier New" color="#003258"
  62       size="5">infinity</font> </b></h3>
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  66 </center>
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  69 <p><a name="double_quotation">Example 1</a>:
  70 <p><font face="Courier New">type integer Cele (-infinity .. 18);<br>
  71 </font>
  72 <p>The values of type Cele are integers less than or equal to eighteen. There is no limit for negative values.</p>
  73 <hr align="left" width="50%">
  74 <p><a name="quotation_inside">Example 2</a>:
  75 <p><font face="Courier New">type float Mergitur (1.0E03 .. infinity);<br>
  76 </font>
  77 <p>Type Mergitur contains only those real values, which are greater than or equal to one thousand. Values except for this range are disallowed.</p>
  78 <hr align="left" width="50%">
  79 <p><a name="quotation_inside">Example 3</a>:
  80 <p><font face="Courier New">type universal charstring Longue length (11 .. infinity);<br>
  81 var Longue v_longue; </font>
  82 <p>The variable v_longue can have at least 11 characters (quadruples). An upper limit is not given.</p>
  83 <hr align="left" width="50%">
  84 <p><a name="relation">Example 4</a>:
  85 <p><code> type record length (42 788 830 .. infinity) of integer Egeeszek; </code>
  86 <p>A valid value of type Egeeszek must contain at least forty-two million seven hundred eighty-eight thousand eight hundred thirty elements. An upper limit is not given.</p>
  87 <hr align="left" width="25%">
  88 <hr align="left" width="25%">
  89 <p align="left"><a HREF="BNF.html#infinitykeyword">BNF definition</a> of <font face="Courier New">infinity</font></p>
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