doc/parts/extensions/Shapes-Numeric-Constant-constants.sxml

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  19 <!-- Copyright 2008, 2014, 2015 Henrik Tidefelt                             -->
  20
  21
  22 <book>
  23   <within-namespace>..Shapes..Numeric..Constant</within-namespace>
  24   <extension>constants</extension>
  25   <description>
  26     <p>Numeric constants.</p>
  27   </description>
  28   <prelude />
  29   <needs></needs>
  30
  31   <title><self /></title>
  32   <meta-selflink><self-href /></meta-selflink>
  33   <up-link><parent-namespace /></up-link>
  34   <base href=<!--#expand-next-string-->"$(BASE)" />
  35   <examples-home href=<!--#expand-next-string-->"$(EXAMPLES)" />
  36   <shapes-version number=<!--#expand-next-string-->"$(SHAPES_VERSION)" />
  37   <external>
  38     <!--#include virtual="^/toc.xml" -->
  39   </external>
  40
  41   <top>
  42     <alphabetical-index/>
  43     <p>This this extension is included by the standard prelude, it contains only numeric constants of general interest.</p>
  44   </top>
  45
  46         <section id="extensions/numeric-constants/all">
  47                 <title>Bindings</title>
  48                 <body>
  49
  50                         <system-binding identifier="golden">
  51                                 <simple-value>
  52                                         <type><named-type name="Float" /></type>
  53                                         <description>
  54                                                 <p>The golden ratio, approximately <eq>1.618</eq>.</p>
  55                                         </description>
  56                                 </simple-value>
  57                         </system-binding>
  58
  59                         <system-binding identifier="Golden">
  60                                 <simple-value>
  61                                         <type><named-type name="Float" /></type>
  62                                         <description>
  63                                                 <p>The inverse of the golden ratio, approximately <eq>0.618</eq>.</p>
  64                                         </description>
  65                                 </simple-value>
  66                         </system-binding>
  67
  68                 </body>
  69         </section> <!-- End of all -->
  70 </book>