[thirdparty/glibc.git] / sysdeps / riscv / rvf / e_sqrtf.c

/* Single precision floating point square root.  RISC-V version.
   Copyright (C) 2017-2020 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>

float
__ieee754_sqrtf (float x)
{
  asm ("fsqrt.s %0, %1" : "=f" (x) : "f" (x));
  return x;
}
strong_alias (__ieee754_sqrtf, __sqrtf_finite)
Commit	Line	Data
b2cb5e02	1	/* Single precision floating point square root. RISC-V version.
d614a753	2	Copyright (C) 2017-2020 Free Software Foundation, Inc.
b2cb5e02 PD	3	This file is part of the GNU C Library.
	4
	5	The GNU C Library is free software; you can redistribute it and/or
	6	modify it under the terms of the GNU Lesser General Public
	7	License as published by the Free Software Foundation; either
	8	version 2.1 of the License, or (at your option) any later version.
	9
	10	The GNU C Library is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	Lesser General Public License for more details.
	14
	15	You should have received a copy of the GNU Lesser General Public
	16	License along with the GNU C Library. If not, see
5a82c748	17	<https://www.gnu.org/licenses/>. */
b2cb5e02 PD	18
	19	#include <math.h>
	20
	21	float
	22	__ieee754_sqrtf (float x)
	23	{
	24	asm ("fsqrt.s %0, %1" : "=f" (x) : "f" (x));
	25	return x;
	26	}
	27	strong_alias (__ieee754_sqrtf, __sqrtf_finite)