python: overflow encountered when evaluating string

Issue

This Content is from Stack Overflow. Question asked by asdfgh

I got this error when I am trying to evaluate an expression f(x1, x2, …) from a string based on given x1, x2, …

I = eval(string)

<string>:1: RuntimeWarning: overflow encountered in long_scalars

The string represent a very long expression (~ MBs in txt file) and contains huge numbers (>int32), I am wondering how could I solve this? Is there any way to define the data type for the calculation involved in eval (I am guessing int64 probably work)?

Thanks!



Solution

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