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<?xml version="1.0"?>
<block>
<name>Calculator</name>
<key>Calculation_Calculator</key>
<category>Calculation</category>
<import>import gnuradio.input.Calculator</import>
<make>gnuradio.input.Calculator.Calculator($num_inputs)
self.$(id).set_parameters($Exp,$num_inputs)</make>
<param>
<name>Expression</name>
<key>Exp</key>
<type>string</type>
</param>
<param>
<name>Num inputs</name>
<key>num_inputs</key>
<value>1</value>
<type>int</type>
</param>
<sink>
<name>in0</name>
<type>float</type>
<nports>$num_inputs</nports>
</sink>
<!--
<sink>
<name>in1</name>
<type>float</type>
<nports>4</nports>
</sink> -->
<source>
<name>out</name>
<type>float</type>
</source>
<doc>
Variable names must be a0,a1,a2 and so on.
You can use maximum 10 variables per block.
Example to add 5 variables:
"a0+a1+a2+a3+a4"
To perform Exponential(power) calculations on operators use the following:
a0**a1
To perform calculations like sqrt, log or exp use the following:
sqrt(a4)
log(a2)
exp(a8)
</doc>
</block>
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