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   1 <?xml version="1.0"?>
   2 <!--
   3 ###################################################
   4 ##Trellis Metrics
   5 ###################################################
   6  -->
   7 <block>
   8         <name>Trellis Metrics</name>
   9         <key>trellis_metrics_x</key>
  10         <import>from gnuradio import trellis</import>
  11         <make>trellis.metrics_$(type)($card, $dim, $table, $metric_type)</make>
  12         <param>
  13                 <name>Type</name>
  14                 <key>type</key>
  15                 <type>enum</type>
  16                 <option>
  17                         <name>Complex</name>
  18                         <key>c</key>
  19                         <opt>io:complex</opt>
  20                         <opt>table:complex_vector</opt>
  21                 </option>
  22                 <option>
  23                         <name>Float</name>
  24                         <key>f</key>
  25                         <opt>io:float</opt>
  26                         <opt>table:real_vector</opt>
  27                 </option>
  28                 <option>
  29                         <name>Int</name>
  30                         <key>i</key>
  31                         <opt>io:int</opt>
  32                         <opt>table:int_vector</opt>
  33                 </option>
  34                 <option>
  35                         <name>Short</name>
  36                         <key>s</key>
  37                         <opt>io:short</opt>
  38                         <opt>table:int_vector</opt>
  39                 </option>
  40         </param>
  41         <param>
  42                 <name>Output Cardinality</name>
  43                 <key>card</key>
  44                 <type>int</type>
  45         </param>
  46         <param>
  47                 <name>Dimensionality</name>
  48                 <key>dim</key>
  49                 <type>int</type>
  50         </param>
  51         <param>
  52                 <name>Constellation</name>
  53                 <key>table</key>
  54                 <type>$type.table</type>
  55         </param>
  56         <param>
  57                 <name>Metric Type</name>
  58                 <key>metric_type</key>
  59                 <type>enum</type>
  60                 <option>
  61                         <name>Euclidean</name>
  62                         <key>trellis.TRELLIS_EUCLIDEAN</key>
  63                 </option>
  64                 <option>
  65                         <name>Hard Symbol</name>
  66                         <key>trellis.TRELLIS_HARD_SYMBOL</key>
  67                 </option>
  68                 <option>
  69                         <name>Hard Bit</name>
  70                         <key>trellis.TRELLIS_HARD_BIT</key>
  71                 </option>
  72         </param>
  73         <sink>
  74                 <name>in</name>
  75                 <type>$type.io</type>
  76         </sink>
  77         <source>
  78                 <name>out</name>
  79                 <type>$type.io</type>
  80         </source>
  81         <doc>
  82 Generate metrics required for Viterbi or SISO algorithms.
  83         </doc>
  84 </block>