def _operation(wave, desc, units, fpointer):
ret = copy.copy(wave)<EOL>ret.dep_units = units<EOL>ret.dep_name = "<STR_LIT>".format(desc, ret.dep_name)<EOL>ret._dep_vector = fpointer(ret._dep_vector)<EOL>return ret<EOL>
Perform generic operation on a waveform object.