<?xml version="1.0"?>
<!--
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##Trellis Metrics
###################################################
 -->


<block>
	<name>Trellis Metrics</name>
	<key>trellis_metrics_x</key>
	<category>[Core]/Trellis Coding</category>
	<import>from gnuradio import trellis, digital</import>
	<make>trellis.metrics_$(type)($card, $dim, $table, $metric_type)</make>
	<callback>set_O($card)</callback>
	<callback>set_D($dim)</callback>
	<callback>set_TYPE($metric_type)</callback>
	<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>digital.TRELLIS_EUCLIDEAN</key>
		</option>
		<option>
			<name>Hard Symbol</name>
			<key>digital.TRELLIS_HARD_SYMBOL</key>
		</option>
		<option>
			<name>Hard Bit</name>
			<key>digital.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>
