Thanks; bug filed at http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55682. On Fri, Dec 14, 2012 at 2:02 AM, Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote: > On 13 December 2012 17:04, Nico Schlömer wrote: >> Hi, >> >> according to https://en.wikipedia.org/wiki/Error_function, the erf() >> function is part of the C++11 standard. It's already implemented in >> math.h and accessible after >> >> #include <math.h> >> >> but for some reason, erf() and erfc() are not contained in cmath. Is this a bug? > > Yes.