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Date:	Thu, 30 Sep 2010 20:18:30 +0000 (GMT)
From:	Marco Atzeri <marco_atzeri AT yahoo DOT it>
Subject:	R: <complex.h> for Cygwin?
To:	cygwin AT cygwin DOT com, Jan Chludzinski <jan DOT chludzinski AT gmail DOT com>
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--- 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:=A0gcc
> -I/usr/include/mingw -lm tc.c =A0But I still end up with:
>=20
> /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
>=20
> 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?
>=20
> ---John
>=20

John,
newlib (cygwin libc-like library) has not the complex type,
however on cygwin complex numbers are supported by=20
the gcc/g++ compiler

/usr/lib/gcc/i686-pc-cygwin/4.3.4/include/c++/complex.h

what are exactly your needs ?

Marco







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