1 /* Copyright (C) 2011-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <fenv.h>
19 #include <math.h>
20 #include <math_private.h>
21 #include <math-svid-compat.h>
22 #include <libm-alias-ldouble.h>
23
24
25 #if LIBM_SVID_COMPAT
26 /* wrapper j1l */
27 long double
__j1l(long double x)28 __j1l (long double x)
29 {
30 if (__builtin_expect (isgreater (fabsl (x), X_TLOSS), 0)
31 && _LIB_VERSION != _IEEE_ && _LIB_VERSION != _POSIX_)
32 /* j1(|x|>X_TLOSS) */
33 return __kernel_standard_l (x, x, 236);
34
35 return __ieee754_j1l (x);
36 }
libm_alias_ldouble(__j1,j1)37 libm_alias_ldouble (__j1, j1)
38
39
40 /* wrapper y1l */
41 long double
42 __y1l (long double x)
43 {
44 if (__builtin_expect (islessequal (x, 0.0L) || isgreater (x, X_TLOSS), 0)
45 && _LIB_VERSION != _IEEE_)
46 {
47 if (x < 0.0L)
48 {
49 /* d = zero/(x-x) */
50 feraiseexcept (FE_INVALID);
51 return __kernel_standard_l (x, x, 211);
52 }
53 else if (x == 0.0L)
54 {
55 /* d = -one/(x-x) */
56 feraiseexcept (FE_DIVBYZERO);
57 return __kernel_standard_l (x, x, 210);
58 }
59 else if (_LIB_VERSION != _POSIX_)
60 /* y1(x>X_TLOSS) */
61 return __kernel_standard_l (x, x, 237);
62 }
63
64 return __ieee754_y1l (x);
65 }
66 libm_alias_ldouble (__y1, y1)
67 #endif
68