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1457ddca BK |
1 | // Stub definitions for long double math. |
2 | ||
a945c346 | 3 | // Copyright (C) 2001-2024 Free Software Foundation, Inc. |
1457ddca BK |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
1457ddca BK |
9 | // any later version. |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
748086b7 JJ |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
1457ddca | 19 | |
748086b7 JJ |
20 | // You should have received a copy of the GNU General Public License and |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
1457ddca BK |
24 | |
25 | #include <cmath> | |
26 | ||
27 | // For targets which do not have support for long double versions, | |
28 | // we use the following crude approximations. We keep saying that we'll do | |
29 | // better later, but never do. | |
30 | ||
f92ab29f | 31 | extern "C" |
1457ddca BK |
32 | { |
33 | #ifndef _GLIBCXX_HAVE_FABSL | |
34 | long double | |
35 | fabsl(long double x) | |
36 | { | |
37 | return fabs((double) x); | |
38 | } | |
39 | #endif | |
40 | ||
41 | #ifndef _GLIBCXX_HAVE_ACOSL | |
42 | long double | |
43 | acosl(long double x) | |
44 | { | |
45 | return acos((double) x); | |
46 | } | |
47 | #endif | |
48 | ||
49 | #ifndef _GLIBCXX_HAVE_ASINL | |
50 | long double | |
51 | asinl(long double x) | |
52 | { | |
53 | return asin((double) x); | |
54 | } | |
55 | #endif | |
56 | ||
57 | #ifndef _GLIBCXX_HAVE_ATANL | |
58 | long double | |
59 | atanl(long double x) | |
60 | { | |
61 | return atan ((double) x); | |
62 | } | |
63 | #endif | |
64 | ||
65 | #ifndef _GLIBCXX_HAVE_ATAN2L | |
66 | long double | |
67 | atan2l(long double x, long double y) | |
68 | { | |
69 | return atan2((double) x, (double) y); | |
70 | } | |
71 | #endif | |
72 | ||
76104d42 MK |
73 | #ifndef _GLIBCXX_HAVE_CEILL |
74 | long double | |
75 | ceill(long double x) | |
76 | { | |
77 | return ceil((double) x); | |
78 | } | |
79 | #endif | |
80 | ||
1457ddca BK |
81 | #ifndef _GLIBCXX_HAVE_COSL |
82 | long double | |
83 | cosl(long double x) | |
84 | { | |
85 | return cos((double) x); | |
86 | } | |
87 | #endif | |
88 | ||
89 | #ifndef _GLIBCXX_HAVE_COSHL | |
90 | long double | |
91 | coshl(long double x) | |
92 | { | |
93 | return cosh((double) x); | |
94 | } | |
95 | #endif | |
96 | ||
97 | #ifndef _GLIBCXX_HAVE_EXPL | |
98 | long double | |
99 | expl(long double x) | |
100 | { | |
101 | return exp((double) x); | |
102 | } | |
103 | #endif | |
104 | ||
105 | #ifndef _GLIBCXX_HAVE_FLOORL | |
106 | long double | |
107 | floorl(long double x) | |
108 | { | |
109 | return floor((double) x); | |
110 | } | |
111 | #endif | |
112 | ||
113 | #ifndef _GLIBCXX_HAVE_FMODL | |
114 | long double | |
115 | fmodl(long double x, long double y) | |
116 | { | |
117 | return fmod((double) x, (double) y); | |
118 | } | |
119 | #endif | |
120 | ||
121 | #ifndef _GLIBCXX_HAVE_FREXPL | |
122 | long double | |
123 | frexpl(long double x, int *exp) | |
124 | { | |
125 | return frexp((double) x, exp); | |
126 | } | |
127 | #endif | |
128 | ||
129 | #ifndef _GLIBCXX_HAVE_SQRTL | |
130 | long double | |
131 | sqrtl(long double x) | |
132 | { | |
133 | return sqrt((double) x); | |
134 | } | |
135 | #endif | |
136 | ||
137 | #ifndef _GLIBCXX_HAVE_HYPOTL | |
138 | long double | |
139 | hypotl(long double x, long double y) | |
140 | { | |
141 | long double s = fabsl(x) + fabsl(y); | |
142 | if (s == 0.0L) | |
143 | return s; | |
144 | x /= s; y /= s; | |
145 | return s * sqrtl(x * x + y * y); | |
146 | } | |
147 | #endif | |
148 | ||
149 | #ifndef _GLIBCXX_HAVE_LDEXPL | |
150 | long double | |
151 | ldexpl(long double x, int exp) | |
152 | { | |
153 | return ldexp((double) x, exp); | |
154 | } | |
155 | #endif | |
156 | ||
157 | #ifndef _GLIBCXX_HAVE_LOGL | |
158 | long double | |
159 | logl(long double x) | |
160 | { | |
161 | return log((double) x); | |
162 | } | |
163 | #endif | |
164 | ||
165 | #ifndef _GLIBCXX_HAVE_LOG10L | |
166 | long double | |
167 | log10l(long double x) | |
168 | { | |
169 | return log10((double) x); | |
170 | } | |
171 | #endif | |
172 | ||
173 | #ifndef _GLIBCXX_HAVE_MODFL | |
174 | long double | |
175 | modfl(long double x, long double *iptr) | |
176 | { | |
177 | double result, temp; | |
178 | ||
179 | result = modf((double) x, &temp); | |
180 | *iptr = temp; | |
181 | return result; | |
182 | } | |
183 | #endif | |
184 | ||
185 | #ifndef _GLIBCXX_HAVE_POWL | |
186 | long double | |
187 | powl(long double x, long double y) | |
188 | { | |
189 | return pow((double) x, (double) y); | |
190 | } | |
191 | #endif | |
192 | ||
193 | #ifndef _GLIBCXX_HAVE_SINL | |
194 | long double | |
195 | sinl(long double x) | |
196 | { | |
197 | return sin((double) x); | |
198 | } | |
199 | #endif | |
200 | ||
201 | #ifndef _GLIBCXX_HAVE_SINHL | |
202 | long double | |
203 | sinhl(long double x) | |
204 | { | |
205 | return sinh((double) x); | |
206 | } | |
207 | #endif | |
208 | ||
209 | #ifndef _GLIBCXX_HAVE_TANL | |
210 | long double | |
211 | tanl(long double x) | |
212 | { | |
213 | return tan((double) x); | |
214 | } | |
215 | #endif | |
216 | ||
217 | #ifndef _GLIBCXX_HAVE_TANHL | |
218 | long double | |
219 | tanhl(long double x) | |
220 | { | |
221 | return tanh((double) x); | |
222 | } | |
223 | #endif | |
224 | } // extern "C" |