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2b778ceb | 1 | /* Copyright (C) 2011-2021 Free Software Foundation, Inc. |
0ac5ae23 | 2 | This file is part of the GNU C Library. |
f7eac6eb | 3 | |
0ac5ae23 UD |
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. | |
f7eac6eb | 13 | |
0ac5ae23 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
f7eac6eb | 17 | |
0ac5ae23 | 18 | #include <fenv.h> |
9d13fb24 | 19 | #include <math.h> |
9277c064 | 20 | #include <math_private.h> |
813378e9 | 21 | #include <math-svid-compat.h> |
9ac44708 | 22 | #include <libm-alias-double.h> |
f7eac6eb | 23 | |
0ac5ae23 | 24 | |
4f3647e4 | 25 | #if LIBM_SVID_COMPAT |
0ac5ae23 UD |
26 | /* wrapper j1 */ |
27 | double | |
01f28812 | 28 | __j1 (double x) |
f7eac6eb | 29 | { |
92221550 | 30 | if (__builtin_expect (isgreater (fabs (x), X_TLOSS), 0) |
c36e1d23 | 31 | && _LIB_VERSION != _IEEE_ && _LIB_VERSION != _POSIX_) |
0ac5ae23 UD |
32 | /* j1(|x|>X_TLOSS) */ |
33 | return __kernel_standard (x, x, 36); | |
34 | ||
35 | return __ieee754_j1 (x); | |
f7eac6eb | 36 | } |
9ac44708 | 37 | libm_alias_double (__j1, j1) |
cccda09f | 38 | |
f7eac6eb | 39 | |
0ac5ae23 UD |
40 | /* wrapper y1 */ |
41 | double | |
01f28812 | 42 | __y1 (double x) |
f7eac6eb | 43 | { |
92221550 AJ |
44 | if (__builtin_expect (islessequal (x, 0.0) || isgreater (x, X_TLOSS), 0) |
45 | && _LIB_VERSION != _IEEE_) | |
0ac5ae23 UD |
46 | { |
47 | if (x < 0.0) | |
48 | { | |
49 | /* d = zero/(x-x) */ | |
0747f818 | 50 | __feraiseexcept (FE_INVALID); |
0ac5ae23 UD |
51 | return __kernel_standard (x, x, 11); |
52 | } | |
53 | else if (x == 0.0) | |
699ff837 JM |
54 | { |
55 | /* d = -one/(x-x) */ | |
0747f818 | 56 | __feraiseexcept (FE_DIVBYZERO); |
699ff837 JM |
57 | return __kernel_standard (x, x, 10); |
58 | } | |
c36e1d23 | 59 | else if (_LIB_VERSION != _POSIX_) |
0ac5ae23 UD |
60 | /* y1(x>X_TLOSS) */ |
61 | return __kernel_standard (x, x, 37); | |
62 | } | |
63 | ||
64 | return __ieee754_y1 (x); | |
f7eac6eb | 65 | } |
9ac44708 | 66 | libm_alias_double (__y1, y1) |
cccda09f | 67 | #endif |