http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50880
--- Comment #14 from Gabriel Dos Reis <gdr at gcc dot gnu.org> 2011-11-02 12:27:20 UTC --- (In reply to comment #9) > Created attachment 25654 [details] > BC2 Since we are talking about branch cut and prespectiving since zeros, I think we should avoid the the arithmetic z -/+ one, whee one is of a complex<T>. Rather the computation should be be directly on the components. This is to prevent signed zeros to have their mutated.