documentation/code_VALSignal.signal_get.html

   1 <html><head>
   2 <link rel="stylesheet" href="style.css" type="text/css">
   3 <meta content="text/html; charset=iso-8859-1" http-equiv="Content-Type">
   4 <link rel="Start" href="index.html">
   5 <link title="Index of types" rel=Appendix href="index_types.html">
   6 <link title="Index of exceptions" rel=Appendix href="index_exceptions.html">
   7 <link title="Index of values" rel=Appendix href="index_values.html">
   8 <link title="Index of modules" rel=Appendix href="index_modules.html">
   9 <link title="Types" rel="Chapter" href="Types.html">
  10 <link title="Value" rel="Chapter" href="Value.html">
  11 <link title="Signal" rel="Chapter" href="Signal.html">
  12 <link title="Faustexp" rel="Chapter" href="Faustexp.html">
  13 <link title="Interpreter" rel="Chapter" href="Interpreter.html">
  14 <link title="Main" rel="Chapter" href="Main.html"><title>Signal.signal_get</title>
  15 </head>
  16 <body>
  17 <code class="code"><span class="keyword">let</span>&nbsp;signal_get&nbsp;s1&nbsp;s2&nbsp;=&nbsp;<br>
  18 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">let</span>&nbsp;f1&nbsp;=&nbsp;frequency&nbsp;s1&nbsp;<span class="keyword">in</span><br>
  19 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">let</span>&nbsp;f2&nbsp;=&nbsp;frequency&nbsp;s2&nbsp;<span class="keyword">in</span><br>
  20 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">let</span>&nbsp;new_signal&nbsp;=&nbsp;<span class="keyword">fun</span>&nbsp;t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<br>
  21 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">let</span>&nbsp;temp1&nbsp;=&nbsp;(signal_fun&nbsp;s1)&nbsp;t&nbsp;<span class="keyword">in</span><br>
  22 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">let</span>&nbsp;temp2&nbsp;=&nbsp;(signal_fun&nbsp;s2)&nbsp;t&nbsp;<span class="keyword">in</span><br>
  23 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">match</span>&nbsp;temp1&nbsp;<span class="keyword">with</span><br>
  24 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span><span class="constructor">Vec</span>&nbsp;(size1,&nbsp;vec1)&nbsp;<span class="keywordsign">-&gt;</span><br>
  25 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(<br>
  26 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">match</span>&nbsp;temp2&nbsp;<span class="keyword">with</span><br>
  27 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span><span class="constructor">N</span>&nbsp;i&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;vec1&nbsp;i<br>
  28 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span><span class="constructor">R</span>&nbsp;f&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<br>
  29 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;raise&nbsp;(<span class="constructor">Signal_operation</span>&nbsp;<span class="string">"Get:&nbsp;second&nbsp;input&nbsp;signal&nbsp;should&nbsp;be&nbsp;int."</span>)<br>
  30 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span><span class="constructor">Vec</span>&nbsp;(size2,&nbsp;vec2)&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<br>
  31 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;raise&nbsp;(<span class="constructor">Signal_operation</span>&nbsp;<span class="string">"Get:&nbsp;second&nbsp;input&nbsp;signal&nbsp;should&nbsp;be&nbsp;int."</span>)<br>
  32 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span><span class="constructor">Zero</span>&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;vec1&nbsp;0<br>
  33 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span><span class="constructor">W</span>&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<br>
  34 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;raise&nbsp;(<span class="constructor">Signal_operation</span>&nbsp;<span class="string">"Get:&nbsp;second&nbsp;input&nbsp;signal&nbsp;should&nbsp;be&nbsp;int."</span>)<br>
  35 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)<br>
  36 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>_&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;raise&nbsp;(<span class="constructor">Signal_operation</span>&nbsp;<span class="string">"Get:&nbsp;first&nbsp;input&nbsp;signal&nbsp;should&nbsp;be&nbsp;vector."</span>)<br>
  37 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">in</span><br>
  38 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">if</span>&nbsp;f1&nbsp;=&nbsp;f2&nbsp;<span class="keywordsign">||</span>&nbsp;f2&nbsp;=&nbsp;0&nbsp;<span class="keyword">then</span>&nbsp;(f1,&nbsp;new_signal)<br>
  39 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">else</span>&nbsp;<span class="keyword">if</span>&nbsp;f1&nbsp;=&nbsp;0&nbsp;<span class="keyword">then</span>&nbsp;(f2,&nbsp;new_signal)<br>
  40 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">else</span>&nbsp;raise&nbsp;(<span class="constructor">Signal_operation</span>&nbsp;<span class="string">"frequency&nbsp;not&nbsp;matched&nbsp;in&nbsp;signal_get."</span>)</code></body></html>