ReactOS 0.4.15-dev-7931-gfd331f1
trionan.h
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1/*************************************************************************
2 *
3 * $Id$
4 *
5 * Copyright (C) 2001 Bjorn Reese <breese@users.sourceforge.net>
6 *
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.
10 *
11 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
12 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE AUTHORS AND
14 * CONTRIBUTORS ACCEPT NO RESPONSIBILITY IN ANY CONCEIVABLE MANNER.
15 *
16 ************************************************************************/
17
18#ifndef TRIO_NAN_H
19#define TRIO_NAN_H
20
21#include "triodef.h"
22
23#ifdef __cplusplus
24extern "C" {
25#endif
26
27enum {
33};
34
35/*
36 * Return NaN (Not-a-Number).
37 */
39
40/*
41 * Return positive infinity.
42 */
43TRIO_PUBLIC double trio_pinf TRIO_PROTO((void));
44
45/*
46 * Return negative infinity.
47 */
48TRIO_PUBLIC double trio_ninf TRIO_PROTO((void));
49
50/*
51 * Return negative zero.
52 */
54
55/*
56 * If number is a NaN return non-zero, otherwise return zero.
57 */
58TRIO_PUBLIC int trio_isnan TRIO_PROTO((double number));
59
60/*
61 * If number is positive infinity return 1, if number is negative
62 * infinity return -1, otherwise return 0.
63 */
64TRIO_PUBLIC int trio_isinf TRIO_PROTO((double number));
65
66/*
67 * If number is finite return non-zero, otherwise return zero.
68 */
69#if 0
70 /* Temporary fix - these 2 routines not used in libxml */
71TRIO_PUBLIC int trio_isfinite TRIO_PROTO((double number));
72
73TRIO_PUBLIC int trio_fpclassify TRIO_PROTO((double number));
74#endif
75
76TRIO_PUBLIC int trio_signbit TRIO_PROTO((double number));
77
78TRIO_PUBLIC int trio_fpclassify_and_signbit TRIO_PROTO((double number, int *is_negative));
79
80#ifdef __cplusplus
81}
82#endif
83
84#endif /* TRIO_NAN_H */
#define TRIO_PROTO(x)
Definition: triodef.h:135
#define TRIO_NOARGS
Definition: triodef.h:136
#define TRIO_PUBLIC
Definition: triodef.h:118
TRIO_PUBLIC double trio_nzero(TRIO_NOARGS)
Definition: trionan.c:241
TRIO_PUBLIC double trio_pinf(TRIO_NOARGS)
Definition: trionan.c:258
TRIO_PUBLIC double trio_ninf(TRIO_NOARGS)
Definition: trionan.c:302
TRIO_PUBLIC double trio_nan(TRIO_NOARGS)
Definition: trionan.c:323
static unsigned int number
Definition: dsound.c:1479
@ TRIO_FP_ZERO
Definition: trionan.h:32
@ TRIO_FP_SUBNORMAL
Definition: trionan.h:31
@ TRIO_FP_NAN
Definition: trionan.h:29
@ TRIO_FP_INFINITE
Definition: trionan.h:28
@ TRIO_FP_NORMAL
Definition: trionan.h:30