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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>Internal - Range checking macros</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.1 --><div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="modules.html">Modules</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="annotated.html">Class List</a> | <a class="qindex" href="dirs.html">Directories</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Class Members</a> | <a class="qindex" href="globals.html">File Members</a></div><h1>Internal - Range checking macros<br><small>[<a class="el" href="group__g726__section4.html">Internal - Individual functions from Section 4 of G726</a>]</small></h1><hr><a name="_details"></a><h2>Detailed Description</h2>Macros for checking the range of variables used within the codec algorithm. They are also useful as they indicate the type of the variable being checked. <p><table border="0" cellpadding="0" cellspacing="0"><tr><td></td></tr><tr><td colspan="2"><br><h2>Defines</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__g726__section4m.html#ga0">CHECK_SM</a>(x, bits) ASSERT_DEBUG(((x)>>bits)==0)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__g726__section4m.html#ga1">CHECK_UM</a>(x, bits) ASSERT_DEBUG(((x)>>bits)==0)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__g726__section4m.html#ga2">CHECK_TC</a>(x, bits) ASSERT_DEBUG(((x)>>(bits-1))==((x)<0?-1:0))</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__g726__section4m.html#ga3">CHECK_FL</a>(x, bits) ASSERT_DEBUG(((x)>>bits)==0)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__g726__section4m.html#ga4">CHECK_UNSIGNED</a>(x, bits) ASSERT_DEBUG(((x)>>bits)==0)</td></tr></table><hr><h2>Define Documentation</h2><a class="anchor" name="ga0" doxytag="G726.cpp::CHECK_SM"></a><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define CHECK_SM </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">x, <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>bits </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap> ASSERT_DEBUG(((x)>>bits)==0)</td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Check that a signed magnitude value lies entirely withing the given number of bits <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>The value </td></tr> <tr><td valign="top"></td><td valign="top"><em>bits</em> </td><td>Number of bits </td></tr> </table></dl><p>Definition at line <a class="el" href="G726_8cpp-source.html#l00049">49</a> of file <a class="el" href="G726_8cpp-source.html">G726.cpp</a>. </td> </tr></table><a class="anchor" name="ga1" doxytag="G726.cpp::CHECK_UM"></a><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define CHECK_UM </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">x, <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>bits </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap> ASSERT_DEBUG(((x)>>bits)==0)</td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Check that a unsigned magnitude value lies entirely withing the given number of bits <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>The value </td></tr> <tr><td valign="top"></td><td valign="top"><em>bits</em> </td><td>Number of bits </td></tr> </table></dl><p>Definition at line <a class="el" href="G726_8cpp-source.html#l00056">56</a> of file <a class="el" href="G726_8cpp-source.html">G726.cpp</a>. </td> </tr></table><a class="anchor" name="ga2" doxytag="G726.cpp::CHECK_TC"></a><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define CHECK_TC </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">x, <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>bits </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap> ASSERT_DEBUG(((x)>>(bits-1))==((x)<0?-1:0))</td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Check that a twos compliment value lies entirely withing the given number of bits <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>The value </td></tr> <tr><td valign="top"></td><td valign="top"><em>bits</em> </td><td>Number of bits </td></tr> </table></dl><p>Definition at line <a class="el" href="G726_8cpp-source.html#l00063">63</a> of file <a class="el" href="G726_8cpp-source.html">G726.cpp</a>. </td> </tr></table><a class="anchor" name="ga3" doxytag="G726.cpp::CHECK_FL"></a><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define CHECK_FL </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">x, <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>bits </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap> ASSERT_DEBUG(((x)>>bits)==0)</td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Check that a float value lies entirely withing the given number of bits <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>The value </td></tr> <tr><td valign="top"></td><td valign="top"><em>bits</em> </td><td>Number of bits </td></tr> </table></dl><p>Definition at line <a class="el" href="G726_8cpp-source.html#l00070">70</a> of file <a class="el" href="G726_8cpp-source.html">G726.cpp</a>. </td> </tr></table><a class="anchor" name="ga4" doxytag="G726.cpp::CHECK_UNSIGNED"></a><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define CHECK_UNSIGNED </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">x, <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>bits </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap> ASSERT_DEBUG(((x)>>bits)==0)</td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Check that an unsigned integer value lies entirely withing the given number of bits <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>The value </td></tr> <tr><td valign="top"></td><td valign="top"><em>bits</em> </td><td>Number of bits </td></tr> </table></dl><p>Definition at line <a class="el" href="G726_8cpp-source.html#l00077">77</a> of file <a class="el" href="G726_8cpp-source.html">G726.cpp</a>. </td> </tr></table><HR><ADDRESS STYLE="align: right;"><SMALL>Generated by <A HREF="http://www.doxygen.org/index.html"><IMG SRC="doxygen.png" ALT="doxygen" ALIGN="middle" BORDER="0"></A> 1.4.1</SMALL></ADDRESS></BODY></HTML>⌨️ 快捷键说明
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