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full name: tenpy.tools.misc.zero_if_close
parent module: tenpy.tools.misc
tenpy.tools.misc
type: function
tenpy.tools.misc.
zero_if_close
set real and/or imaginary part to 0 if their absolute value is smaller than tol.
a (ndarray) – numpy array to be rounded
tol (float) – the threashold which values to consider as ‘0’.