[GiNaC-list] real_part and imag_part

[Jan Rheinländer]

Hi,

what is the logic here (example from ginsh)?

> real_part(sqrt(-3));
sqrt(-3)
> imag_part(sqrt(-3));
0

> real_part(sqrt(-1));
0
> imag_part(sqrt(-1));
1

Greetings,

    Jan