<?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_$(type.fcn)($vlen)</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>Vec Length</name>

                <key>vlen</key>

                <value>1</value>

                <type>int</type>

        </param>

        <param>

                <name>Num Inputs</name>

                <key>num_inputs</key>

                <value>2</value>

                <type>int</type>

        </param>

        <check>$vlen &gt; 0</check>

        <check>$num_inputs &gt;= 2</check>

        <sink>

                <name>in</name>

                <type>$type</type>

                <vlen>$vlen</vlen>

                <nports>$num_inputs</nports>

        </sink>

        <source>

                <name>out</name>

                <type>$type</type>

                <vlen>$vlen</vlen>

        </source>

</block>