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Date:	Fri, 1 Oct 2010 15:25:14 +0000 (GMT)
From:	Marco Atzeri <marco_atzeri AT yahoo DOT it>
Subject:	Re: <complex.h> for Cygwin?
To:	cygwin AT cygwin DOT com, Jan Chludzinski <jan DOT chludzinski AT gmail DOT com>
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--- Ven 1/10/10, Jan Chludzinski  ha scritto:

> I need to write some simple code
> which involves complex values. =A0I
> 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.
>=20
> Another option is to use GLS?

GLS seems the easy way.
newlib is not C99 complete for complex numbers

Marco

>=20
> ---John
>=20
>=20
> On Thu, Sep 30, 2010 at 4:18 PM, Marco Atzeri <marco_atzeri AT yahoo DOT it>
> wrote:
> > --- Gio 30/9/10, Jan Chludzinski =A0ha scritto:
> >
> >> After doing some web searches for
> >> <complex.h> and Cygwin, I found
> >> there doesn't seem to be any support unless I
> use:=A0gcc
> >> -I/usr/include/mingw -lm tc.c =A0But I still end up
> with:
> >>
> >>
> /cygdrive/c/DOCUME~1/JOHNC~1.ECS/LOCALS~1/Temp/ccAPGnIv.o:tc.c:(.text+0x3=
d):
> >> undefined reference to `_ccos'
> >> collect2: ld returned 1 exit status
> >>
> >> I'm really not interested in working with MinGW
> either.
> >> =A0All the
> >> messages about <complex.h> and Cygwin are
> rather old
> >> (<2007) so I was
> >> hoping that 1.7 would remedy the problem.
> =A0Evidently 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
>=20
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>=20
>=20





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