From: Ivo Alxneit <ivo.alxneit@psi.ch>
To: bjg@network-theory.co.uk
Cc: GSL-discuss <gsl-discuss@sources.redhat.com>
Subject: Re: strange warning in gsl_matrix_float_set
Date: Thu, 17 Oct 2002 23:16:00 -0000 [thread overview]
Message-ID: <20021017231600.dmT_M5euROJnjvG_Cz8_6dVLBQJ9d9aSSFQ-Ocrc_Cg@z> (raw)
In-Reply-To: <15788.36394.194928.3456@debian>
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On 15 Oct, Brian Gough wrote:
> Ivo Alxneit writes:
>
> > gcc -O2 -march=i386 -mcpu=i686 -pipe -pedantic -Wall -W -Wmissing-prototypes
> > -Wstrict-prototypes -Wtraditional -Wconversion -Wshadow -Wpointer-arith
> > -Wcast-qual -Wcast-align -Wwrite-strings -fshort-enums -fno-common -Wnested-externs
> > -Dinline= -g -I/usr/X11R6/include -Dlinux -D__i386__ -D_POSIX_C_SOURCE=199309L
> > -D_POSIX_SOURCE -D_XOPEN_SOURCE -D_BSD_SOURCE -D_SVID_SOURCE -DFUNCPROTO=15 -DNARROWPROTO
> > -c -o read_as_int.o read_as_int.c
> > read_as_int.c: In function `read_as_int':
> > read_as_int.c:14: warning: passing arg 4 of `gsl_matrix_float_set' as `float' rather
> > than `double' due to prototype
>
> See the section on -Wconversion in the GCC Manual for a description of
> the warning.
well according to the mainual -Wconversion deals with warnings due to
signed/unsigned variables. i get a waring due to float/double even
though the prototype in gsl_matrix_float.h is
void gsl_matrix_float_set(gsl_matrix_float * m, const size_t i, const
size_t j, const float x);
i.e. const float for the fourth argument. gcc sees a double in the
prototype. am i really supposed to use a cast to get rid of the warning?
--
Dr. Ivo Alxneit
Laboratory for Solar Technology phone: +41 56 310 4092
CH-5232 Villigen fax: +41 56 310 2624
Paul Scherrer Institute http://solar.web.psi.ch
Switzerland gnupg key: 0x515E30C7
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next prev parent reply other threads:[~2002-10-18 6:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <E181NdC-00048U-00@ultra16.uk2net.com>
2002-10-15 15:06 ` Brian Gough
2002-10-17 23:16 ` Ivo Alxneit [this message]
[not found] ` <E182QR9-0005gW-00@ultra16.uk2net.com>
2002-10-20 6:06 ` Brian Gough
2002-10-15 2:04 Ivo Alxneit
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