/* long double square root in software floating-point emulation.

   Copyright (C) 1997-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Richard Henderson (rth@cygnus.com) and

		  Jakub Jelinek (jj@ultra.linux.cz).

   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/>.  */

#include <stdlib.h>

#include <soft-fp.h>

#include <quad.h>

#include <shlib-compat.h>

long double

__ieee754_sqrtl (const long double a)

{

  FP_DECL_EX;

  FP_DECL_Q(A); FP_DECL_Q(C);

  long double c;

  long _round = 4;	/* dynamic rounding */

  FP_INIT_ROUNDMODE;

  FP_UNPACK_Q(A, a);

  FP_SQRT_Q(C, A);

  FP_PACK_Q(c, C);

  FP_HANDLE_EXCEPTIONS;

  return c;

}

/* ??? We forgot to add this symbol in 2.15.  Getting this into 2.18 isn't as

   straight-forward as just adding the alias, since a generic Versions file

   includes the 2.15 version and the linker uses the first one it sees.  */

#if SHLIB_COMPAT (libm, GLIBC_2_15, GLIBC_2_18)

versioned_symbol (libm, __ieee754_sqrtl, __sqrtl_finite, GLIBC_2_18);

#else

strong_alias(__ieee754_sqrtl, __sqrtl_finite)

#endif