1/* Copyright (C) 2011-2016 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
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
17 <http://www.gnu.org/licenses/>. */
18
19#include <fenv.h>
20#include <math.h>
21#include <math_private.h>
22
23
24/* wrapper j1f */
25float
26j1f (float x)
27{
28 if (__builtin_expect (isgreater (fabsf (x), X_TLOSS), 0)
29 && _LIB_VERSION != _IEEE_ && _LIB_VERSION != _POSIX_)
30 /* j1(|x|>X_TLOSS) */
31 return __kernel_standard_f (x, x, 136);
32
33 return __ieee754_j1f (x);
34}
35
36
37/* wrapper y1f */
38float
39y1f (float x)
40{
41 if (__builtin_expect (islessequal (x, 0.0f)
42 || isgreater (x, (float) X_TLOSS), 0)
43 && _LIB_VERSION != _IEEE_)
44 {
45 if (x < 0.0f)
46 {
47 /* d = zero/(x-x) */
48 feraiseexcept (FE_INVALID);
49 return __kernel_standard_f (x, x, 111);
50 }
51 else if (x == 0.0f)
52 {
53 /* d = -one/(x-x) */
54 feraiseexcept (FE_DIVBYZERO);
55 return __kernel_standard_f (x, x, 110);
56 }
57 else if (_LIB_VERSION != _POSIX_)
58 /* y1(x>X_TLOSS) */
59 return __kernel_standard_f (x, x, 137);
60 }
61
62 return __ieee754_y1f (x);
63}
64