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1/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
2/* A GNU-like <math.h>.
3
4 Copyright (C) 2002-2003, 2007 Free Software Foundation, Inc.
5
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 This program 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
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
18
19#ifndef _GL_MATH_H
20
21/* The include_next requires a split double-inclusion guard. */
22#include_next <math.h>
23
24#ifndef _GL_MATH_H
25#define _GL_MATH_H
26
27
28/* The definition of GL_LINK_WARNING is copied here. */
29/* GL_LINK_WARNING("literal string") arranges to emit the literal string as
30 a linker warning on most glibc systems.
31 We use a linker warning rather than a preprocessor warning, because
32 #warning cannot be used inside macros. */
33#ifndef GL_LINK_WARNING
34 /* This works on platforms with GNU ld and ELF object format.
35 Testing __GLIBC__ is sufficient for asserting that GNU ld is in use.
36 Testing __ELF__ guarantees the ELF object format.
37 Testing __GNUC__ is necessary for the compound expression syntax. */
38# if defined __GLIBC__ && defined __ELF__ && defined __GNUC__
39# define GL_LINK_WARNING(message) \
40 GL_LINK_WARNING1 (__FILE__, __LINE__, message)
41# define GL_LINK_WARNING1(file, line, message) \
42 GL_LINK_WARNING2 (file, line, message) /* macroexpand file and line */
43# define GL_LINK_WARNING2(file, line, message) \
44 GL_LINK_WARNING3 (file ":" #line ": warning: " message)
45# define GL_LINK_WARNING3(message) \
46 ({ static const char warning[sizeof (message)] \
47 __attribute__ ((__unused__, \
48 __section__ (".gnu.warning"), \
49 __aligned__ (1))) \
50 = message "\n"; \
51 (void)0; \
52 })
53# else
54# define GL_LINK_WARNING(message) ((void) 0)
55# endif
56#endif
57
58
59#ifdef __cplusplus
60extern "C" {
61#endif
62
63
64/* Write x as
65 x = mantissa * 2^exp
66 where
67 If x finite and nonzero: 0.5 <= |mantissa| < 1.0.
68 If x is zero: mantissa = x, exp = 0.
69 If x is infinite or NaN: mantissa = x, exp unspecified.
70 Store exp in *EXPPTR and return mantissa. */
71#if 0
72# if 0
73# define frexp rpl_frexp
74extern double frexp (double x, int *expptr);
75# endif
76#elif defined GNULIB_POSIXCHECK
77# undef frexp
78# define frexp(x,e) \
79 (GL_LINK_WARNING ("frexp is unportable - " \
80 "use gnulib module frexp for portability"), \
81 frexp (x, e))
82#endif
83
84
85#if 0 || !1
86extern long double acosl (long double x);
87#endif
88#if !0 && defined GNULIB_POSIXCHECK
89# undef acosl
90# define acosl(x) \
91 (GL_LINK_WARNING ("acosl is unportable - " \
92 "use gnulib module mathl for portability"), \
93 acosl (x))
94#endif
95
96
97#if 0 || !1
98extern long double asinl (long double x);
99#endif
100#if !0 && defined GNULIB_POSIXCHECK
101# undef asinl
102# define asinl(x) \
103 (GL_LINK_WARNING ("asinl is unportable - " \
104 "use gnulib module mathl for portability"), \
105 asinl (x))
106#endif
107
108
109#if 0 || !1
110extern long double atanl (long double x);
111#endif
112#if !0 && defined GNULIB_POSIXCHECK
113# undef atanl
114# define atanl(x) \
115 (GL_LINK_WARNING ("atanl is unportable - " \
116 "use gnulib module mathl for portability"), \
117 atanl (x))
118#endif
119
120
121#if 0
122# if 0
123# define ceilf rpl_ceilf
124extern float ceilf (float x);
125# endif
126#elif defined GNULIB_POSIXCHECK
127# undef ceilf
128# define ceilf(x) \
129 (GL_LINK_WARNING ("ceilf is unportable - " \
130 "use gnulib module ceilf for portability"), \
131 ceilf (x))
132#endif
133
134#if 0
135# if 0
136# define ceill rpl_ceill
137extern long double ceill (long double x);
138# endif
139#elif defined GNULIB_POSIXCHECK
140# undef ceill
141# define ceill(x) \
142 (GL_LINK_WARNING ("ceill is unportable - " \
143 "use gnulib module ceill for portability"), \
144 ceill (x))
145#endif
146
147
148#if 0 || !1
149extern long double cosl (long double x);
150#endif
151#if !0 && defined GNULIB_POSIXCHECK
152# undef cosl
153# define cosl(x) \
154 (GL_LINK_WARNING ("cosl is unportable - " \
155 "use gnulib module mathl for portability"), \
156 cosl (x))
157#endif
158
159
160#if 0 || !1
161extern long double expl (long double x);
162#endif
163#if !0 && defined GNULIB_POSIXCHECK
164# undef expl
165# define expl(x) \
166 (GL_LINK_WARNING ("expl is unportable - " \
167 "use gnulib module mathl for portability"), \
168 expl (x))
169#endif
170
171
172#if 1
173# if 0
174# define floorf rpl_floorf
175extern float floorf (float x);
176# endif
177#elif defined GNULIB_POSIXCHECK
178# undef floorf
179# define floorf(x) \
180 (GL_LINK_WARNING ("floorf is unportable - " \
181 "use gnulib module floorf for portability"), \
182 floorf (x))
183#endif
184
185#if 0
186# if 0
187# define floorl rpl_floorl
188extern long double floorl (long double x);
189# endif
190#elif defined GNULIB_POSIXCHECK
191# undef floorl
192# define floorl(x) \
193 (GL_LINK_WARNING ("floorl is unportable - " \
194 "use gnulib module floorl for portability"), \
195 floorl (x))
196#endif
197
198
199/* Write x as
200 x = mantissa * 2^exp
201 where
202 If x finite and nonzero: 0.5 <= |mantissa| < 1.0.
203 If x is zero: mantissa = x, exp = 0.
204 If x is infinite or NaN: mantissa = x, exp unspecified.
205 Store exp in *EXPPTR and return mantissa. */
206#if 0 && 0
207# define frexpl rpl_frexpl
208#endif
209#if (0 && 0) || !1
210extern long double frexpl (long double x, int *expptr);
211#endif
212#if !0 && defined GNULIB_POSIXCHECK
213# undef frexpl
214# define frexpl(x,e) \
215 (GL_LINK_WARNING ("frexpl is unportable - " \
216 "use gnulib module frexpl for portability"), \
217 frexpl (x, e))
218#endif
219
220
221/* Return x * 2^exp. */
222#if 0 && 0
223# define ldexpl rpl_ldexpl
224#endif
225#if (0 && 0) || !1
226extern long double ldexpl (long double x, int exp);
227#endif
228#if !0 && defined GNULIB_POSIXCHECK
229# undef ldexpl
230# define ldexpl(x,e) \
231 (GL_LINK_WARNING ("ldexpl is unportable - " \
232 "use gnulib module ldexpl for portability"), \
233 ldexpl (x, e))
234#endif
235
236
237#if 0 || !1
238extern long double logl (long double x);
239#endif
240#if !0 && defined GNULIB_POSIXCHECK
241# undef logl
242# define logl(x) \
243 (GL_LINK_WARNING ("logl is unportable - " \
244 "use gnulib module mathl for portability"), \
245 logl (x))
246#endif
247
248
249#if 0
250# if 0
251# undef roundf
252# define roundf rpl_roundf
253extern float roundf (float x);
254# endif
255#elif defined GNULIB_POSIXCHECK
256# undef roundf
257# define roundf(x) \
258 (GL_LINK_WARNING ("roundf is unportable - " \
259 "use gnulib module roundf for portability"), \
260 roundf (x))
261#endif
262
263#if 0
264# if 0
265# undef round
266# define round rpl_round
267extern double round (double x);
268# endif
269#elif defined GNULIB_POSIXCHECK
270# undef round
271# define round(x) \
272 (GL_LINK_WARNING ("round is unportable - " \
273 "use gnulib module round for portability"), \
274 round (x))
275#endif
276
277#if 0
278# if 0
279# undef roundl
280# define roundl rpl_roundl
281extern long double roundl (long double x);
282# endif
283#elif defined GNULIB_POSIXCHECK
284# undef roundl
285# define roundl(x) \
286 (GL_LINK_WARNING ("roundl is unportable - " \
287 "use gnulib module roundl for portability"), \
288 roundl (x))
289#endif
290
291
292#if 0 || !1
293extern long double sinl (long double x);
294#endif
295#if !0 && defined GNULIB_POSIXCHECK
296# undef sinl
297# define sinl(x) \
298 (GL_LINK_WARNING ("sinl is unportable - " \
299 "use gnulib module mathl for portability"), \
300 sinl (x))
301#endif
302
303
304#if 0 || !1
305extern long double sqrtl (long double x);
306#endif
307#if !0 && defined GNULIB_POSIXCHECK
308# undef sqrtl
309# define sqrtl(x) \
310 (GL_LINK_WARNING ("sqrtl is unportable - " \
311 "use gnulib module mathl for portability"), \
312 sqrtl (x))
313#endif
314
315
316#if 0 || !1
317extern long double tanl (long double x);
318#endif
319#if !0 && defined GNULIB_POSIXCHECK
320# undef tanl
321# define tanl(x) \
322 (GL_LINK_WARNING ("tanl is unportable - " \
323 "use gnulib module mathl for portability"), \
324 tanl (x))
325#endif
326
327
328#if 0
329# if !1
330# define truncf rpl_truncf
331extern float truncf (float x);
332# endif
333#elif defined GNULIB_POSIXCHECK
334# undef truncf
335# define truncf(x) \
336 (GL_LINK_WARNING ("truncf is unportable - " \
337 "use gnulib module truncf for portability"), \
338 truncf (x))
339#endif
340
341#if 0
342# if !1
343# define trunc rpl_trunc
344extern double trunc (double x);
345# endif
346#elif defined GNULIB_POSIXCHECK
347# undef trunc
348# define trunc(x) \
349 (GL_LINK_WARNING ("trunc is unportable - " \
350 "use gnulib module trunc for portability"), \
351 trunc (x))
352#endif
353
354#if 0
355# if !1
356# define truncl rpl_truncl
357extern long double truncl (long double x);
358# endif
359#elif defined GNULIB_POSIXCHECK
360# undef truncl
361# define truncl(x) \
362 (GL_LINK_WARNING ("truncl is unportable - " \
363 "use gnulib module truncl for portability"), \
364 truncl (x))
365#endif
366
367
368#if 0
369# if 0
370extern int gl_isfinitef (float x);
371extern int gl_isfinited (double x);
372extern int gl_isfinitel (long double x);
373# undef isfinite
374# define isfinite(x) \
375 (sizeof (x) == sizeof (long double) ? gl_isfinitel (x) : \
376 sizeof (x) == sizeof (double) ? gl_isfinited (x) : \
377 gl_isfinitef (x))
378# endif
379#elif defined GNULIB_POSIXCHECK
380 /* How to override a macro? */
381#endif
382
383
384#if 0
385# if 0
386# undef signbit
387 /* GCC 4.0 and newer provides three built-ins for signbit. */
388# define signbit(x) \
389 (sizeof (x) == sizeof (long double) ? __builtin_signbitl (x) : \
390 sizeof (x) == sizeof (double) ? __builtin_signbit (x) : \
391 __builtin_signbitf (x))
392# endif
393# if 0
394# undef signbit
395extern int gl_signbitf (float arg);
396extern int gl_signbitd (double arg);
397extern int gl_signbitl (long double arg);
398# if __GNUC__ >= 2 && !__STRICT_ANSI__
399# if defined FLT_SIGNBIT_WORD && defined FLT_SIGNBIT_BIT
400# define gl_signbitf(arg) \
401 ({ union { float _value; \
402 unsigned int _word[(sizeof (float) + sizeof (unsigned int) - 1) / sizeof (unsigned int)]; \
403 } _m; \
404 _m._value = (arg); \
405 (_m._word[FLT_SIGNBIT_WORD] >> FLT_SIGNBIT_BIT) & 1; \
406 })
407# endif
408# if defined DBL_SIGNBIT_WORD && defined DBL_SIGNBIT_BIT
409# define gl_signbitd(arg) \
410 ({ union { double _value; \
411 unsigned int _word[(sizeof (double) + sizeof (unsigned int) - 1) / sizeof (unsigned int)]; \
412 } _m; \
413 _m._value = (arg); \
414 (_m._word[DBL_SIGNBIT_WORD] >> DBL_SIGNBIT_BIT) & 1; \
415 })
416# endif
417# if defined LDBL_SIGNBIT_WORD && defined LDBL_SIGNBIT_BIT
418# define gl_signbitl(arg) \
419 ({ union { long double _value; \
420 unsigned int _word[(sizeof (long double) + sizeof (unsigned int) - 1) / sizeof (unsigned int)]; \
421 } _m; \
422 _m._value = (arg); \
423 (_m._word[LDBL_SIGNBIT_WORD] >> LDBL_SIGNBIT_BIT) & 1; \
424 })
425# endif
426# endif
427# define signbit(x) \
428 (sizeof (x) == sizeof (long double) ? gl_signbitl (x) : \
429 sizeof (x) == sizeof (double) ? gl_signbitd (x) : \
430 gl_signbitf (x))
431# endif
432#elif defined GNULIB_POSIXCHECK
433 /* How to override a macro? */
434#endif
435
436
437#ifdef __cplusplus
438}
439#endif
440
441#endif /* _GL_MATH_H */
442#endif /* _GL_MATH_H */