--- Ven 1/10/10, Jan Chludzinski ha scritto: > I need to write some simple code > which involves complex values. I > remembered that C99 added support for complex values and > tried to use > <complex.h> (different from C++'s <complex>) - > I tried ccos() and got > the error below. > > Another option is to use GLS?
GLS seems the easy way. newlib is not C99 complete for complex numbers Marco > > ---John > > > On Thu, Sep 30, 2010 at 4:18 PM, Marco Atzeri <marco_atz...@yahoo.it> > wrote: > > --- Gio 30/9/10, Jan Chludzinski ha scritto: > > > >> After doing some web searches for > >> <complex.h> and Cygwin, I found > >> there doesn't seem to be any support unless I > use: gcc > >> -I/usr/include/mingw -lm tc.c But I still end up > with: > >> > >> > /cygdrive/c/DOCUME~1/JOHNC~1.ECS/LOCALS~1/Temp/ccAPGnIv.o:tc.c:(.text+0x3d): > >> undefined reference to `_ccos' > >> collect2: ld returned 1 exit status > >> > >> I'm really not interested in working with MinGW > either. > >> All the > >> messages about <complex.h> and Cygwin are > rather old > >> (<2007) so I was > >> hoping that 1.7 would remedy the problem. > Evidently not? > >> > >> ---John > >> > > > > John, > > newlib (cygwin libc-like library) has not the complex > type, > > however on cygwin complex numbers are supported by > > the gcc/g++ compiler > > > > > /usr/lib/gcc/i686-pc-cygwin/4.3.4/include/c++/complex.h > > > > what are exactly your needs ? > > > > Marco > > -- > Problem reports: http://cygwin.com/problems.html > FAQ: > http://cygwin.com/faq/ > Documentation: http://cygwin.com/docs.html > Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple > > -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
