<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>FAUST compiler: logprim.cpp Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<!-- Generated by Doxygen 1.6.3 -->
<div class="navigation" id="top">
<div class="tabs">
<ul>
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div class="tabs">
<ul>
<li><a href="files.html"><span>File List</span></a></li>
<li><a href="globals.html"><span>File Members</span></a></li>
</ul>
</div>
<h1>logprim.cpp</h1><a href="logprim_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include "<a class="code" href="xtended_8hh.html">xtended.hh</a>"</span>
<a name="l00002"></a>00002 <span class="preprocessor">#include "<a class="code" href="Text_8hh.html">Text.hh</a>"</span>
<a name="l00003"></a>00003 <span class="preprocessor">#include <math.h></span>
<a name="l00004"></a>00004
<a name="l00005"></a>00005 <span class="preprocessor">#include "<a class="code" href="floats_8hh.html">floats.hh</a>"</span>
<a name="l00006"></a>00006
<a name="l00007"></a><a class="code" href="classLogPrim.html">00007</a> <span class="keyword">class </span><a class="code" href="classLogPrim.html">LogPrim</a> : <span class="keyword">public</span> <a class="code" href="classxtended.html">xtended</a>
<a name="l00008"></a>00008 {
<a name="l00009"></a>00009
<a name="l00010"></a>00010 <span class="keyword">public</span>:
<a name="l00011"></a>00011
<a name="l00012"></a><a class="code" href="classLogPrim.html#a30272d4ae6b3c4f5fa4a65a9ad88a583">00012</a> <a class="code" href="classLogPrim.html#a30272d4ae6b3c4f5fa4a65a9ad88a583">LogPrim</a>() : <a class="code" href="classxtended.html">xtended</a>(<span class="stringliteral">"log"</span>) {}
<a name="l00013"></a>00013
<a name="l00014"></a><a class="code" href="classLogPrim.html#a082764577a0cd16e1b426f3c248aa00c">00014</a> <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classLogPrim.html#a082764577a0cd16e1b426f3c248aa00c">arity</a> () { <span class="keywordflow">return</span> 1; }
<a name="l00015"></a>00015
<a name="l00016"></a><a class="code" href="classLogPrim.html#aed2847bd4af7583f0ce80211ec2f5444">00016</a> <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classLogPrim.html#aed2847bd4af7583f0ce80211ec2f5444">needCache</a> () { <span class="keywordflow">return</span> <span class="keyword">true</span>; }
<a name="l00017"></a>00017
<a name="l00018"></a><a class="code" href="classLogPrim.html#a6be5bc1135c123b632d66b53a0042830">00018</a> <span class="keyword">virtual</span> <a class="code" href="classP.html">Type</a> <a class="code" href="classLogPrim.html#a6be5bc1135c123b632d66b53a0042830">infereSigType</a> (<span class="keyword">const</span> vector<Type>& args)
<a name="l00019"></a>00019 {
<a name="l00020"></a>00020 assert (args.size() == <a class="code" href="classLogPrim.html#a082764577a0cd16e1b426f3c248aa00c">arity</a>());
<a name="l00021"></a>00021 <a class="code" href="structinterval.html">interval</a> i = args[0]->getInterval();
<a name="l00022"></a>00022 <span class="keywordflow">if</span> (i.valid & i.lo>0) {
<a name="l00023"></a>00023 <span class="keywordflow">return</span> <a class="code" href="sigtype_8hh.html#a4a00d24cc30a4924d2df9b56d577bd16">castInterval</a>(<a class="code" href="sigtype_8hh.html#a77cfb136d0b19316d3f95c700d4262f8">floatCast</a>(args[0]), <a class="code" href="structinterval.html">interval</a>(log(i.lo), log(i.hi)));
<a name="l00024"></a>00024 } <span class="keywordflow">else</span> {
<a name="l00025"></a>00025 <span class="keywordflow">return</span> <a class="code" href="sigtype_8hh.html#a77cfb136d0b19316d3f95c700d4262f8">floatCast</a>(args[0]);
<a name="l00026"></a>00026 }
<a name="l00027"></a>00027 }
<a name="l00028"></a>00028
<a name="l00029"></a><a class="code" href="classLogPrim.html#aa4858029d2549ae8658f4f409d8c4365">00029</a> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classLogPrim.html#aa4858029d2549ae8658f4f409d8c4365">sigVisit</a> (<a class="code" href="classCTree.html" title="A CTree = (Node x [CTree]) is a Node associated with a list of subtrees called branches...">Tree</a> sig, <a class="code" href="structsigvisitor.html">sigvisitor</a>* visitor) {}
<a name="l00030"></a>00030
<a name="l00031"></a><a class="code" href="classLogPrim.html#ae64cb11a4900de4a970ab3e94103257e">00031</a> <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="classLogPrim.html#ae64cb11a4900de4a970ab3e94103257e">infereSigOrder</a> (<span class="keyword">const</span> vector<int>& args) {
<a name="l00032"></a>00032 assert (args.size() == <a class="code" href="classLogPrim.html#a082764577a0cd16e1b426f3c248aa00c">arity</a>());
<a name="l00033"></a>00033 <span class="keywordflow">return</span> args[0];
<a name="l00034"></a>00034 }
<a name="l00035"></a>00035
<a name="l00036"></a>00036
<a name="l00037"></a><a class="code" href="classLogPrim.html#ae9a5c4a1abc15fc7f002bd5a8621cca6">00037</a> <span class="keyword">virtual</span> <a class="code" href="classCTree.html" title="A CTree = (Node x [CTree]) is a Node associated with a list of subtrees called branches...">Tree</a> <a class="code" href="classLogPrim.html#ae9a5c4a1abc15fc7f002bd5a8621cca6">computeSigOutput</a> (<span class="keyword">const</span> vector<Tree>& args) {
<a name="l00038"></a>00038 <a class="code" href="classnum.html">num</a> n;
<a name="l00039"></a>00039 assert (args.size() == <a class="code" href="classLogPrim.html#a082764577a0cd16e1b426f3c248aa00c">arity</a>());
<a name="l00040"></a>00040 <span class="keywordflow">if</span> (<a class="code" href="signals_8hh.html#acd2773c99643a2dcc1c5409991c211e9">isNum</a>(args[0],n)) {
<a name="l00041"></a>00041 <span class="keywordflow">return</span> <a class="code" href="tree_8hh.html#a61c13e9361cfa80bbb3cd6ce60a8f595">tree</a>(log(<span class="keywordtype">double</span>(n)));
<a name="l00042"></a>00042 } <span class="keywordflow">else</span> {
<a name="l00043"></a>00043 <span class="keywordflow">return</span> <a class="code" href="tree_8hh.html#a61c13e9361cfa80bbb3cd6ce60a8f595">tree</a>(<a class="code" href="classxtended.html#ae7e621bd8015110e7af77ab7c850f573">symbol</a>(), args[0]);
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045 }
<a name="l00046"></a>00046
<a name="l00047"></a><a class="code" href="classLogPrim.html#adba8f598c132a8e6a3c152edc74706ee">00047</a> <span class="keyword">virtual</span> <span class="keywordtype">string</span> <a class="code" href="classLogPrim.html#adba8f598c132a8e6a3c152edc74706ee">generateCode</a> (<a class="code" href="classKlass.html">Klass</a>* klass, <span class="keyword">const</span> vector<string>& args, <span class="keyword">const</span> vector<Type>& types)
<a name="l00048"></a>00048 {
<a name="l00049"></a>00049 assert (args.size() == <a class="code" href="classLogPrim.html#a082764577a0cd16e1b426f3c248aa00c">arity</a>());
<a name="l00050"></a>00050 assert (types.size() == <a class="code" href="classLogPrim.html#a082764577a0cd16e1b426f3c248aa00c">arity</a>());
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="keywordflow">return</span> <a class="code" href="Text_8cpp.html#af50e951c134c2c98c4c75d687f8fca7a">subst</a>(<span class="stringliteral">"log$1($0)"</span>, args[0], <a class="code" href="floats_8cpp.html#a4091ebb0e4eff17b3ff908531df9fb92" title="suffix for math functions">isuffix</a>());
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054
<a name="l00055"></a><a class="code" href="classLogPrim.html#ab81f8f33c6061310db4081a1b61381bc">00055</a> <span class="keyword">virtual</span> <span class="keywordtype">string</span> <a class="code" href="classLogPrim.html#ab81f8f33c6061310db4081a1b61381bc">generateLateq</a> (<a class="code" href="classLateq.html">Lateq</a>* lateq, <span class="keyword">const</span> vector<string>& args, <span class="keyword">const</span> vector<Type>& types)
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 assert (args.size() == <a class="code" href="classLogPrim.html#a082764577a0cd16e1b426f3c248aa00c">arity</a>());
<a name="l00058"></a>00058 assert (types.size() == <a class="code" href="classLogPrim.html#a082764577a0cd16e1b426f3c248aa00c">arity</a>());
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="keywordflow">return</span> <a class="code" href="Text_8cpp.html#af50e951c134c2c98c4c75d687f8fca7a">subst</a>(<span class="stringliteral">"\\ln\\left( $0 \\right)"</span>, args[0]);
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062
<a name="l00063"></a>00063 };
<a name="l00064"></a>00064
<a name="l00065"></a>00065
<a name="l00066"></a><a class="code" href="xtended_8hh.html#a1f1214677ea7af703bd3d604fce68e90">00066</a> <a class="code" href="classxtended.html">xtended</a>* <a class="code" href="logprim_8cpp.html#a1f1214677ea7af703bd3d604fce68e90">gLogPrim</a> = <span class="keyword">new</span> <a class="code" href="classLogPrim.html">LogPrim</a>();
<a name="l00067"></a>00067
<a name="l00068"></a>00068
</pre></div></div>
<hr class="footer"/><address style="text-align: right;"><small>Generated on Wed Apr 28 23:59:59 2010 for FAUST compiler by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.3 </small></address>
</body>
</html>
