mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-21 01:12:26 +08:00
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/* lrintf(). RISC-V version.
|
|
Copyright (C) 2017-2024 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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <math.h>
|
|
#include <libm-alias-float.h>
|
|
#include <stdint.h>
|
|
|
|
#if __WORDSIZE == 64
|
|
# define OP "fcvt.l.s"
|
|
#elif __WORDSIZE == 32
|
|
# define OP "fcvt.w.s"
|
|
#else
|
|
# error Unsupported
|
|
#endif
|
|
|
|
long int
|
|
__lrintf (float x)
|
|
{
|
|
long int res;
|
|
asm (OP "\t%0, %1" : "=r" (res) : "f" (x));
|
|
return res;
|
|
}
|
|
|
|
libm_alias_float (__lrint, lrint)
|