1 /* Copyright (C) 2011-2014 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
21 #include <math_private.h>
28 if (__builtin_expect (isgreater (fabs (x
), X_TLOSS
), 0)
29 && _LIB_VERSION
!= _IEEE_
&& _LIB_VERSION
!= _POSIX_
)
31 return __kernel_standard (x
, x
, 34);
33 return __ieee754_j0 (x
);
44 if (__builtin_expect (islessequal (x
, 0.0) || isgreater (x
, X_TLOSS
), 0)
45 && _LIB_VERSION
!= _IEEE_
)
50 __feraiseexcept (FE_INVALID
);
51 return __kernel_standard (x
, x
, 9);
56 __feraiseexcept (FE_DIVBYZERO
);
57 return __kernel_standard (x
, x
, 8);
59 else if (_LIB_VERSION
!= _POSIX_
)
61 return __kernel_standard (x
, x
, 35);
64 return __ieee754_y0 (x
);