OOP: getting caller name

[CdeMills]

Hello,

A new question about my dataframe class. I want it to mimic as much as
possible a double matrix. So I would like that:

df= dataframe(randn(10));

x = df <= x is a copy of df, and thus a dataframe

abs(df) <= abs expects a double matrix, so have df behave as if it was a
matrix, i.e. the evaluation of df should return an object of class 'double
matrix', and not dataframe.

I tried:
abs(df) => fails at it seems abs() receive directly a 'dataframe' object
abs(df(:, :)) => succeed as it goes through overloaded subsref

Any idea on how to achieve this ?

Regards

Pascal


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