mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-29 14:01:20 +00:00
688903eb3e
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/* Determine floating-point rounding mode within libc. ARM version.
|
|
Copyright (C) 2012-2018 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _ARM_GET_ROUNDING_MODE_H
|
|
#define _ARM_GET_ROUNDING_MODE_H 1
|
|
|
|
#include <arm-features.h>
|
|
#include <fenv.h>
|
|
#include <fpu_control.h>
|
|
|
|
/* Return the floating-point rounding mode. */
|
|
|
|
static inline int
|
|
get_rounding_mode (void)
|
|
{
|
|
fpu_control_t fpscr;
|
|
|
|
/* FE_TONEAREST is the only supported rounding mode
|
|
if a VFP unit isn't present. */
|
|
if (!ARM_HAVE_VFP)
|
|
return FE_TONEAREST;
|
|
|
|
_FPU_GETCW (fpscr);
|
|
return fpscr & _FPU_MASK_RM;
|
|
}
|
|
|
|
#endif /* get-rounding-mode.h */
|