<?xml version="1.0"?> <!-- ################################################### ##Trellis Metrics ################################################### --> <block> <name>Trellis Metrics</name> <key>trellis_metrics_x</key> <category>Error Correction/Trellis</category> <import>from gnuradio import trellis</import> <make>trellis.metrics_$(type)($card, $dim, $table, $metric_type)</make> <callback>set_TABLE($table)</callback> <param> <name>Type</name> <key>type</key> <type>enum</type> <option> <name>Complex</name> <key>c</key> <opt>io:complex</opt> <opt>table:complex_vector</opt> </option> <option> <name>Float</name> <key>f</key> <opt>io:float</opt> <opt>table:real_vector</opt> </option> <option> <name>Int</name> <key>i</key> <opt>io:int</opt> <opt>table:int_vector</opt> </option> <option> <name>Short</name> <key>s</key> <opt>io:short</opt> <opt>table:int_vector</opt> </option> </param> <param> <name>Output Cardinality</name> <key>card</key> <type>int</type> </param> <param> <name>Dimensionality</name> <key>dim</key> <type>int</type> </param> <param> <name>Constellation</name> <key>table</key> <type>$type.table</type> </param> <param> <name>Metric Type</name> <key>metric_type</key> <type>enum</type> <option> <name>Euclidean</name> <key>trellis.TRELLIS_EUCLIDEAN</key> </option> <option> <name>Hard Symbol</name> <key>trellis.TRELLIS_HARD_SYMBOL</key> </option> <option> <name>Hard Bit</name> <key>trellis.TRELLIS_HARD_BIT</key> </option> </param> <sink> <name>in</name> <type>$type.io</type> </sink> <source> <name>out</name> <type>float</type> </source> <doc> Generate metrics required for Viterbi or SISO algorithms. </doc> </block>