1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2  *
3  * ***** BEGIN LICENSE BLOCK *****
4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5  *
6  * The contents of this file are subject to the Mozilla Public License Version
7  * 1.1 (the "License"); you may not use this file except in compliance with
8  * the License. You may obtain a copy of the License at
9  * http://www.mozilla.org/MPL/
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the
14  * License.
15  *
16  * The Original Code is Mozilla Communicator client code, released
17  * March 31, 1998.
18  *
19  * The Initial Developer of the Original Code is
20  * Netscape Communications Corporation.
21  * Portions created by the Initial Developer are Copyright (C) 1998
22  * the Initial Developer. All Rights Reserved.
23  *
24  * Contributor(s):
25  *   IBM Corp.
26  *
27  * Alternatively, the contents of this file may be used under the terms of
28  * either of the GNU General Public License Version 2 or later (the "GPL"),
29  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
30  * in which case the provisions of the GPL or the LGPL are applicable instead
31  * of those above. If you wish to allow use of your version of this file only
32  * under the terms of either the GPL or the LGPL, and not to allow others to
33  * use your version of this file under the terms of the MPL, indicate your
34  * decision by deleting the provisions above and replace them with the notice
35  * and other provisions required by the GPL or the LGPL. If you do not delete
36  * the provisions above, a recipient may use your version of this file under
37  * the terms of any one of the MPL, the GPL or the LGPL.
38  *
39  * ***** END LICENSE BLOCK ***** */
40 
41 /*
42  * By default all math calls go to fdlibm.  The defines for each platform
43  * remap the math calls to native routines.
44  */
45 
46 #ifndef _LIBMATH_H
47 #define _LIBMATH_H
48 
49 #include <math.h>
50 #include "jsconfig.h"
51 
52 /*
53  * Define on which platforms to use fdlibm. Not used by default under
54  * assumption that native math library works unless proved guilty.
55  * Plus there can be problems with endian-ness and such in fdlibm itself.
56  *
57  * fdlibm compatibility notes:
58  * - fdlibm broken on OSF1/alpha
59  */
60 
61 #ifndef JS_USE_FDLIBM_MATH
62 #define JS_USE_FDLIBM_MATH 0
63 #endif
64 
65 #if !JS_USE_FDLIBM_MATH
66 
67 /*
68  * Use system provided math routines.
69  */
70 
71 #define fd_acos acos
72 #define fd_asin asin
73 #define fd_atan atan
74 #define fd_atan2 atan2
75 #define fd_ceil ceil
76 
77 /* The right copysign function is not always named the same thing. */
78 #if __GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
79 #define fd_copysign __builtin_copysign
80 #elif defined WINCE
81 #define fd_copysign _copysign
82 #elif defined _WIN32
83 #if _MSC_VER < 1400
84 /* Try to work around apparent _copysign bustage in VC6 and VC7. */
85 #define fd_copysign js_copysign
86 extern double js_copysign(double, double);
87 #else
88 #define fd_copysign _copysign
89 #endif
90 #else
91 #define fd_copysign copysign
92 #endif
93 
94 #define fd_cos cos
95 #define fd_exp exp
96 #define fd_fabs fabs
97 #define fd_floor floor
98 #define fd_fmod fmod
99 #define fd_log log
100 #define fd_pow pow
101 #define fd_sin sin
102 #define fd_sqrt sqrt
103 #define fd_tan tan
104 
105 #else
106 
107 /*
108  * Use math routines in fdlibm.
109  */
110 
111 #undef __P
112 #ifdef __STDC__
113 #define __P(p)  p
114 #else
115 #define __P(p)  ()
116 #endif
117 
118 #if (defined _WIN32 && !defined WINCE) || defined SUNOS4
119 
120 #define fd_acos acos
121 #define fd_asin asin
122 #define fd_atan atan
123 #define fd_cos cos
124 #define fd_sin sin
125 #define fd_tan tan
126 #define fd_exp exp
127 #define fd_log log
128 #define fd_sqrt sqrt
129 #define fd_ceil ceil
130 #define fd_fabs fabs
131 #define fd_floor floor
132 #define fd_fmod fmod
133 
134 extern double fd_atan2 __P((double, double));
135 extern double fd_copysign __P((double, double));
136 extern double fd_pow __P((double, double));
137 
138 #elif defined IRIX
139 
140 #define fd_acos acos
141 #define fd_asin asin
142 #define fd_atan atan
143 #define fd_exp exp
144 #define fd_log log
145 #define fd_log10 log10
146 #define fd_sqrt sqrt
147 #define fd_fabs fabs
148 #define fd_floor floor
149 #define fd_fmod fmod
150 
151 extern double fd_cos __P((double));
152 extern double fd_sin __P((double));
153 extern double fd_tan __P((double));
154 extern double fd_atan2 __P((double, double));
155 extern double fd_pow __P((double, double));
156 extern double fd_ceil __P((double));
157 extern double fd_copysign __P((double, double));
158 
159 #elif defined SOLARIS
160 
161 #define fd_atan atan
162 #define fd_cos cos
163 #define fd_sin sin
164 #define fd_tan tan
165 #define fd_exp exp
166 #define fd_sqrt sqrt
167 #define fd_ceil ceil
168 #define fd_fabs fabs
169 #define fd_floor floor
170 #define fd_fmod fmod
171 
172 extern double fd_acos __P((double));
173 extern double fd_asin __P((double));
174 extern double fd_log __P((double));
175 extern double fd_atan2 __P((double, double));
176 extern double fd_pow __P((double, double));
177 extern double fd_copysign __P((double, double));
178 
179 #elif defined HPUX
180 
181 #define fd_cos cos
182 #define fd_sin sin
183 #define fd_exp exp
184 #define fd_sqrt sqrt
185 #define fd_fabs fabs
186 #define fd_floor floor
187 #define fd_fmod fmod
188 
189 extern double fd_ceil __P((double));
190 extern double fd_acos __P((double));
191 extern double fd_log __P((double));
192 extern double fd_atan2 __P((double, double));
193 extern double fd_tan __P((double));
194 extern double fd_pow __P((double, double));
195 extern double fd_asin __P((double));
196 extern double fd_atan __P((double));
197 extern double fd_copysign __P((double, double));
198 
199 #elif defined(OSF1)
200 
201 #define fd_acos acos
202 #define fd_asin asin
203 #define fd_atan atan
204 #define fd_copysign copysign
205 #define fd_cos cos
206 #define fd_exp exp
207 #define fd_fabs fabs
208 #define fd_fmod fmod
209 #define fd_sin sin
210 #define fd_sqrt sqrt
211 #define fd_tan tan
212 
213 extern double fd_atan2 __P((double, double));
214 extern double fd_ceil __P((double));
215 extern double fd_floor __P((double));
216 extern double fd_log __P((double));
217 extern double fd_pow __P((double, double));
218 
219 #elif defined(AIX)
220 
221 #define fd_acos acos
222 #define fd_asin asin
223 #define fd_atan2 atan2
224 #define fd_copysign copysign
225 #define fd_cos cos
226 #define fd_exp exp
227 #define fd_fabs fabs
228 #define fd_floor floor
229 #define fd_fmod fmod
230 #define fd_log log
231 #define fd_sin sin
232 #define fd_sqrt sqrt
233 
234 extern double fd_atan __P((double));
235 extern double fd_ceil __P((double));
236 extern double fd_pow __P((double,double));
237 extern double fd_tan __P((double));
238 
239 #else /* other platform.. generic paranoid slow fdlibm */
240 
241 extern double fd_acos __P((double));
242 extern double fd_asin __P((double));
243 extern double fd_atan __P((double));
244 extern double fd_cos __P((double));
245 extern double fd_sin __P((double));
246 extern double fd_tan __P((double));
247 
248 extern double fd_exp __P((double));
249 extern double fd_log __P((double));
250 extern double fd_sqrt __P((double));
251 
252 extern double fd_ceil __P((double));
253 extern double fd_fabs __P((double));
254 extern double fd_floor __P((double));
255 extern double fd_fmod __P((double, double));
256 
257 extern double fd_atan2 __P((double, double));
258 extern double fd_pow __P((double, double));
259 extern double fd_copysign __P((double, double));
260 
261 #endif
262 
263 #endif /* JS_USE_FDLIBM_MATH */
264 
265 #endif /* _LIBMATH_H */
266 
267