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? ---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