Parsing the number zero: -0e+000
sometimes the cim xml file has following zero format:
...
<cim:SynchronousMachine.r0>0e+000</cim:SynchronousMachine.r0>
<cim:SynchronousMachine.r2>0e+000</cim:SynchronousMachine.r2>
<cim:SynchronousMachine.x0>0e+000</cim:SynchronousMachine.x0>
<cim:SynchronousMachine.x2>0e+000</cim:SynchronousMachine.x2>
...
the parser maynott recognize the integer zero correctly.