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<?xml version="1.0"?>
<!--
###################################################
##Subtract Block:
## all types, 1 output, 2 to inf inputs
###################################################
-->
<block>
<name>Subtract</name>
<key>gr_sub_xx</key>
<import>from gnuradio import gr</import>
<make>gr.sub_$(type.fcn)()</make>
<param>
<name>IO Type</name>
<key>type</key>
<type>enum</type>
<option>
<name>Complex</name>
<key>complex</key>
<opt>fcn:cc</opt>
</option>
<option>
<name>Float</name>
<key>float</key>
<opt>fcn:ff</opt>
</option>
<option>
<name>Int</name>
<key>int</key>
<opt>fcn:ii</opt>
</option>
<option>
<name>Short</name>
<key>short</key>
<opt>fcn:ss</opt>
</option>
</param>
<param>
<name>Num Inputs</name>
<key>num_inputs</key>
<value>2</value>
<type>int</type>
</param>
<check>$num_inputs >= 2</check>
<sink>
<name>in</name>
<type>$type</type>
<nports>$num_inputs</nports>
</sink>
<source>
<name>out</name>
<type>$type</type>
</source>
</block>
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