[thirdparty/glibc.git] / sysdeps / ieee754 / dbl-64 / s_fmul.c

/* Multiply double values, narrowing the result to float.
   Copyright (C) 2018-2021 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/>.  */

#define f32mulf64 __hide_f32mulf64
#define f32mulf32x __hide_f32mulf32x
#define fmull __hide_fmull
#include <math.h>
#undef f32mulf64
#undef f32mulf32x
#undef fmull

#include <math-narrow.h>

float
__fmul (double x, double y)
{
  NARROW_MUL_ROUND_TO_ODD (x, y, float, union ieee754_double, , mantissa1);
}
libm_alias_float_double (mul)
Commit	Line	Data
69a01461	1	/* Multiply double values, narrowing the result to float.
2b778ceb	2	Copyright (C) 2018-2021 Free Software Foundation, Inc.
69a01461 JM	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/>. */
69a01461 JM	18
	19	#define f32mulf64 __hide_f32mulf64
	20	#define f32mulf32x __hide_f32mulf32x
	21	#define fmull __hide_fmull
	22	#include <math.h>
	23	#undef f32mulf64
	24	#undef f32mulf32x
	25	#undef fmull
	26
	27	#include <math-narrow.h>
	28
	29	float
	30	__fmul (double x, double y)
	31	{
	32	NARROW_MUL_ROUND_TO_ODD (x, y, float, union ieee754_double, , mantissa1);
	33	}
	34	libm_alias_float_double (mul)