<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> <title>scs struct Reference</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> </head><body> <!-- Generated by Doxygen 1.2.15 --> <center> <a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="annotated.html">Data Structures</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Data Fields</a> <a class="qindex" href="globals.html">Globals</a> </center> <hr><h1>scs Struct Reference</h1>The SCS data type. <a href="#_details">More...</a> <p> <table border=0 cellpadding=0 cellspacing=0> <tr><td colspan=2><br><h2>Data Fields</h2></td></tr> <tr><td nowrap align=right valign=top>unsigned int </td><td valign=bottom><a class="el" href="structscs.html#m0">h_word</a> [SCS_NB_WORDS]</td></tr> <tr><td nowrap align=right valign=top>scs_db_number </td><td valign=bottom><a class="el" href="structscs.html#m1">exception</a></td></tr> <tr><td nowrap align=right valign=top>int </td><td valign=bottom><a class="el" href="structscs.html#m2">index</a></td></tr> <tr><td nowrap align=right valign=top>int </td><td valign=bottom><a class="el" href="structscs.html#m3">sign</a></td></tr> </table> <hr><a name="_details"></a><h2>Detailed Description</h2> The SCS data type. <p> An SCS number is a a floating-point number in base 2^32. <p> <ul> <li>Its mantissa is formed of SCS_NB_WORDS digits (currently 32 bits by default)</ul> <ul> <li>Its exponent is a 32-bit integer</ul> <ul> <li>It also has a sign field, and an exception field used to store and propagate IEEE-754 exceptions.</ul> The real number represented by a scs structure is equal to: <img align="top" src="form_0.png"> <p> <p> Definition at line <a class="el" href="scs_8h-source.html#l00098">98</a> of file <a class="el" href="scs_8h-source.html">scs.h</a>.<hr><h2>Field Documentation</h2> <a name="m0" doxytag="scs::h_word"></a><p> <table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> unsigned int scs::h_word[SCS_NB_WORDS] </table> </td> </tr> </table> <table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td> <p> the digits, as 32 bits words. <p> <p> Definition at line <a class="el" href="scs_8h-source.html#l00100">100</a> of file <a class="el" href="scs_8h-source.html">scs.h</a>. </td> </tr> </table> <a name="m1" doxytag="scs::exception"></a><p> <table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> scs_db_number scs::exception </table> </td> </tr> </table> <table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td> <p> Used to store Nan,+/-0, Inf, etc and then let the hardware handle them. <p> <p> Definition at line <a class="el" href="scs_8h-source.html#l00102">102</a> of file <a class="el" href="scs_8h-source.html">scs.h</a>. <p> Referenced by <a class="el" href="addition__scs_8c-source.html#l00514">scs_add</a>(), and <a class="el" href="addition__scs_8c-source.html#l00539">scs_sub</a>(). </td> </tr> </table> <a name="m2" doxytag="scs::index"></a><p> <table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> int scs::index </table> </td> </tr> </table> <table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td> <p> This corresponds to the exponent in an FP format, but here we are in base 2^32. <p> <p> Definition at line <a class="el" href="scs_8h-source.html#l00105">105</a> of file <a class="el" href="scs_8h-source.html">scs.h</a>. <p> Referenced by <a class="el" href="division__scs_8c-source.html#l00038">scs_inv</a>(). </td> </tr> </table> <a name="m3" doxytag="scs::sign"></a><p> <table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> int scs::sign </table> </td> </tr> </table> <table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td> <p> The sign equals 1 or -1. <p> <p> Definition at line <a class="el" href="scs_8h-source.html#l00107">107</a> of file <a class="el" href="scs_8h-source.html">scs.h</a>. </td> </tr> </table> <hr><address align="right"><small>Generated on Tue Jun 17 10:15:52 2003 for SCSLib by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border=0 width=110 height=53></a>1.2.15 </small></address> </body> </html>