[GiNaC-devel] Fix bug in evaluation of real and imaginary parts of powers

Dear All, I am attaching a patch fixing the bug in evaluation of real and imaginary parts of powers. Best wishes, Vladimir -- Vladimir V. Kisil http://www.maths.leeds.ac.uk/~kisilv/ Book: Geometry of Mobius Transformations http://goo.gl/EaG2Vu Software: Geometry of cycles http://moebinv.sourceforge.net/