[thirdparty/glibc.git] / math / w_sqrt_template.c

/* Wrapper to set errno for sqrt.
   Copyright (C) 2017-2021 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/>.  */

/* Only build wrappers from the templates for the types that define the macro
   below.  This macro is set in math-type-macros-<type>.h in sysdeps/generic
   for each floating-point type.  */
#if __USE_WRAPPER_TEMPLATE

# define NO_MATH_REDIRECT
# include <errno.h>
# include <fenv.h>
# include <math.h>
# include <math_private.h>

FLOAT
M_DECL_FUNC (__sqrt) (FLOAT x)
{
  if (__glibc_unlikely (isless (x, M_LIT (0.0))))
    /* Domain error: sqrt(x<-0).  */
    __set_errno (EDOM);
  return M_SUF (__ieee754_sqrt) (x);
}
declare_mgen_alias (__sqrt, sqrt)

#endif /* __USE_WRAPPER_TEMPLATE.  */
Commit	Line	Data
aec0821c	1	/* Wrapper to set errno for sqrt.
2b778ceb	2	Copyright (C) 2017-2021 Free Software Foundation, Inc.
aec0821c GG	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/>. */
aec0821c GG	18
	19	/* Only build wrappers from the templates for the types that define the macro
	20	below. This macro is set in math-type-macros-<type>.h in sysdeps/generic
	21	for each floating-point type. */
	22	#if __USE_WRAPPER_TEMPLATE
	23
1294b189	24	# define NO_MATH_REDIRECT
46d2e49c	25	# include <errno.h>
aec0821c GG	26	# include <fenv.h>
	27	# include <math.h>
	28	# include <math_private.h>
	29
	30	FLOAT
	31	M_DECL_FUNC (__sqrt) (FLOAT x)
	32	{
	33	if (__glibc_unlikely (isless (x, M_LIT (0.0))))
	34	/* Domain error: sqrt(x<-0). */
	35	__set_errno (EDOM);
	36	return M_SUF (__ieee754_sqrt) (x);
	37	}
	38	declare_mgen_alias (__sqrt, sqrt)
	39
	40	#endif /* __USE_WRAPPER_TEMPLATE. */