Migrate away from the PrefMetricsService-based device ID in PrefHashCalculator.
[chromium-blink-merge.git] / third_party / libxml / src / trionan.h
blobc5de32b0caccf4180fa2d0ac0e23b3b6962c9ae2
1 /*************************************************************************
3 * $Id$
5 * Copyright (C) 2001 Bjorn Reese <breese@users.sourceforge.net>
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
11 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
12 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
13 * MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE AUTHORS AND
14 * CONTRIBUTORS ACCEPT NO RESPONSIBILITY IN ANY CONCEIVABLE MANNER.
16 ************************************************************************/
18 #ifndef TRIO_NAN_H
19 #define TRIO_NAN_H
21 #include "triodef.h"
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
27 enum {
28 TRIO_FP_INFINITE,
29 TRIO_FP_NAN,
30 TRIO_FP_NORMAL,
31 TRIO_FP_SUBNORMAL,
32 TRIO_FP_ZERO
36 * Return NaN (Not-a-Number).
38 TRIO_PUBLIC double trio_nan TRIO_PROTO((void));
41 * Return positive infinity.
43 TRIO_PUBLIC double trio_pinf TRIO_PROTO((void));
46 * Return negative infinity.
48 TRIO_PUBLIC double trio_ninf TRIO_PROTO((void));
51 * Return negative zero.
53 TRIO_PUBLIC double trio_nzero TRIO_PROTO((TRIO_NOARGS));
56 * If number is a NaN return non-zero, otherwise return zero.
58 TRIO_PUBLIC int trio_isnan TRIO_PROTO((double number));
61 * If number is positive infinity return 1, if number is negative
62 * infinity return -1, otherwise return 0.
64 TRIO_PUBLIC int trio_isinf TRIO_PROTO((double number));
67 * If number is finite return non-zero, otherwise return zero.
69 #if 0
70 /* Temporary fix - these 2 routines not used in libxml */
71 TRIO_PUBLIC int trio_isfinite TRIO_PROTO((double number));
73 TRIO_PUBLIC int trio_fpclassify TRIO_PROTO((double number));
74 #endif
76 TRIO_PUBLIC int trio_signbit TRIO_PROTO((double number));
78 TRIO_PUBLIC int trio_fpclassify_and_signbit TRIO_PROTO((double number, int *is_negative));
80 #ifdef __cplusplus
82 #endif
84 #endif /* TRIO_NAN_H */