On 07/14/17 07:14, Alex Henrie wrote: > +/********************************************************************* > + * log1pf (MSVCR120.@) > + */ > +float CDECL MSVCR120_log1pf(float x) > +{ > +#ifdef HAVE_LOG1PF > + return log1pf(x); > +#else > + return log(1 + x); > +#endif > +} Please also set errno in this function. Thanks, Piotr