* Issue: CMPLX is not defined
@ 2022-05-10 15:39 Pavel M
2022-05-10 15:49 ` Joel Sherrill
0 siblings, 1 reply; 3+ messages in thread
From: Pavel M @ 2022-05-10 15:39 UTC (permalink / raw)
To: newlib
Hi all,
Issue: CMPLX is not defined.
$ cat t649.c
#if __STDC_NO_COMPLEX__ != 1
#include <complex.h>
#ifndef CMPLX
#error
#endif
#endif
$ gcc t649.c -std=c11 -pedantic -Wall -Wextra
t649.c:4:2: error: #error
4 | #error
| ^~~~~
C11:
> 7.3.9.3 The CMPLX macros
Please fix.
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: Issue: CMPLX is not defined
2022-05-10 15:39 Issue: CMPLX is not defined Pavel M
@ 2022-05-10 15:49 ` Joel Sherrill
2022-05-10 18:09 ` Pavel M
0 siblings, 1 reply; 3+ messages in thread
From: Joel Sherrill @ 2022-05-10 15:49 UTC (permalink / raw)
To: Pavel M; +Cc: Newlib
On Tue, May 10, 2022 at 10:40 AM Pavel M <pavel.morozkin@gmail.com> wrote:
> Hi all,
>
> Issue: CMPLX is not defined.
>
> $ cat t649.c
> #if __STDC_NO_COMPLEX__ != 1
> #include <complex.h>
> #ifndef CMPLX
> #error
> #endif
> #endif
>
> $ gcc t649.c -std=c11 -pedantic -Wall -Wextra
> t649.c:4:2: error: #error
> 4 | #error
> | ^~~~~
>
> C11:
> > 7.3.9.3 The CMPLX macros
>
> Please fix.
>
If you really need these, they are simple to implement and patches are
always welcomed. This is the entirety of the implementation for glibc:
#if defined __USE_ISOC11 && __GNUC_PREREQ (4, 7)
/* Macros to expand into expression of specified complex type. */
# define CMPLX(x, y) __builtin_complex ((double) (x), (double) (y))
# define CMPLXF(x, y) __builtin_complex ((float) (x), (float) (y))
# ifndef __NO_LONG_DOUBLE_MATH
# define CMPLXL(x, y) __builtin_complex ((long double) (x), (long double)
(y))
# endif
#endif
Should be a simple patch to complex.h
--joel
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Issue: CMPLX is not defined
2022-05-10 15:49 ` Joel Sherrill
@ 2022-05-10 18:09 ` Pavel M
0 siblings, 0 replies; 3+ messages in thread
From: Pavel M @ 2022-05-10 18:09 UTC (permalink / raw)
To: joel; +Cc: Newlib
Thanks! Now I can compile clean (GCC only, Clang produces "error: use of
unknown builtin '__builtin_complex'").
On Tue, 10 May 2022 at 18:49, Joel Sherrill <joel@rtems.org> wrote:
>
>
> On Tue, May 10, 2022 at 10:40 AM Pavel M <pavel.morozkin@gmail.com> wrote:
>
>> Hi all,
>>
>> Issue: CMPLX is not defined.
>>
>> $ cat t649.c
>> #if __STDC_NO_COMPLEX__ != 1
>> #include <complex.h>
>> #ifndef CMPLX
>> #error
>> #endif
>> #endif
>>
>> $ gcc t649.c -std=c11 -pedantic -Wall -Wextra
>> t649.c:4:2: error: #error
>> 4 | #error
>> | ^~~~~
>>
>> C11:
>> > 7.3.9.3 The CMPLX macros
>>
>> Please fix.
>>
>
> If you really need these, they are simple to implement and patches are
> always welcomed. This is the entirety of the implementation for glibc:
>
> #if defined __USE_ISOC11 && __GNUC_PREREQ (4, 7)
> /* Macros to expand into expression of specified complex type. */
> # define CMPLX(x, y) __builtin_complex ((double) (x), (double) (y))
> # define CMPLXF(x, y) __builtin_complex ((float) (x), (float) (y))
> # ifndef __NO_LONG_DOUBLE_MATH
> # define CMPLXL(x, y) __builtin_complex ((long double) (x), (long double)
> (y))
> # endif
> #endif
>
> Should be a simple patch to complex.h
>
> --joel
>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2022-05-10 15:39 Issue: CMPLX is not defined Pavel M
2022-05-10 15:49 ` Joel Sherrill
2022-05-10 18:09 ` Pavel M
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