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## Main Question or Discussion Point

I am using complex numbers and was wondering if there's any way that I can get output to match my exact input when performing basic arithmetic on them. For example, if I use type = complex_ or complex256, with A = 1. and B = 6.626 x 10^(-34), then C = A*B yields C = 6.626 x 10^(-34) as wanted. But D = A + B yields D = 1. which is not what I want. Is there any way for me to get A + B to yield an output of sufficient precision (i.e. to the highest precision of the individual elements I am using to get D)?