blob: 73e84e2a3be18a0cbe2454ff8b271766809c74f0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
/* Copyright (c) 2003 krzYszcz and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
#ifndef __SHARED_H__
#define __SHARED_H__
/* LATER find a proper place for #include <limits.h> */
#ifdef INT_MAX
#define SHARED_INT_MAX INT_MAX
#else
#define SHARED_INT_MAX 0x7FFFFFFF
#endif
#ifdef INT_MIN
#define SHARED_INT_MIN INT_MIN
#else
#define SHARED_INT_MIN ((int)0x80000000)
#endif
/* LATER find a proper place for #include <float.h> */
#ifdef FLT_MAX
#define SHARED_FLT_MAX FLT_MAX
#else
#define SHARED_FLT_MAX 1E+36
#endif
typedef unsigned long shared_t_bitmask;
#ifdef __linux__
#include <sys/types.h>
#ifndef int32
typedef int32_t int32;
#endif
#ifndef uint32
typedef u_int32_t uint32;
#endif
#ifndef int16
typedef int16_t int16;
#endif
#ifndef uint16
typedef u_int16_t uint16;
#endif
#ifndef uchar
typedef u_int8_t uchar;
#endif
#include <endian.h>
#if !defined(__BYTE_ORDER) || !defined(__LITTLE_ENDIAN)
#error No byte order defined
#endif
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define SHARED_HIOFFSET 1
#define SHARED_LOWOFFSET 0
#else
#define SHARED_HIOFFSET 0
#define SHARED_LOWOFFSET 1
#endif
#endif
#ifdef NT
#ifndef int32
typedef long int32;
#endif
#ifndef uint32
typedef unsigned long uint32;
#endif
#ifndef int16
typedef short int16;
#endif
#ifndef uint16
typedef unsigned short uint16;
#endif
#ifndef uchar
typedef unsigned char uchar;
#endif
#define SHARED_HIOFFSET 1
#define SHARED_LOWOFFSET 0
#endif
#ifdef MACOSX
#ifndef int32
typedef int int32;
#endif
#ifndef uint32
typedef unsigned int uint32;
#endif
#ifndef int16
typedef short int16;
#endif
#ifndef uint16
typedef unsigned short uint16;
#endif
#ifndef uchar
typedef unsigned char uchar;
#endif
#ifdef __BIG_ENDIAN__
#define SHARED_HIOFFSET 0
#define SHARED_LOWOFFSET 1
#else
#define SHARED_HIOFFSET 1
#define SHARED_LOWOFFSET 0
#endif
#endif
#ifdef IRIX
#ifndef int32
typedef long int32;
#endif
#ifndef uint32
typedef unsigned long uint32;
#endif
#ifndef int16
typedef short int16;
#endif
#ifndef uint16
typedef unsigned short uint16;
#endif
#ifndef uchar
typedef unsigned char uchar;
#endif
#define SHARED_HIOFFSET 0
#define SHARED_LOWOFFSET 1
#endif
#ifdef __FreeBSD__
#include <sys/types.h>
#ifndef int32
typedef int32_t int32;
#endif
#ifndef uint32
typedef u_int32_t uint32;
#endif
#ifndef int16
typedef int16_t int16;
#endif
#ifndef uint16
typedef u_int16_t uint16;
#endif
#ifndef uchar
typedef u_int8_t uchar;
#endif
#include <machine/endian.h>
#if BYTE_ORDER == LITTLE_ENDIAN
#define SHARED_HIOFFSET 1
#define SHARED_LOWOFFSET 0
#else
#define SHARED_HIOFFSET 0
#define SHARED_LOWOFFSET 1
#endif
#endif
#define SHARED_UNITBIT32 1572864. /* 3*(2^19) gives 32 fractional bits */
#define SHARED_UNITBIT0 6755399441055744. /* 3*(2^51), no fractional bits */
#define SHARED_UNITBIT0_HIPART 0x43380000
typedef union _shared_wrappy
{
double w_d;
int32 w_i[2];
} t_shared_wrappy;
typedef union _shared_floatint
{
t_float fi_f;
int32 fi_i;
} t_shared_floatint;
#define SHARED_TRUEBITS 0x3f800000 /* t_float f = 1; *(int32 *)&f */
#define SHARED_PI 3.14159265359
#define SHARED_2PI 6.28318530718
#ifndef PD_BADFLOAT
#ifdef __i386__
#define PD_BADFLOAT(f) ((((*(unsigned int*)&(f))&0x7f800000)==0) || \
(((*(unsigned int*)&(f))&0x7f800000)==0x7f800000))
#else
#define PD_BADFLOAT(f) 0
#endif
#endif
#ifndef PD_BIGORSMALL
#ifdef __i386__
#define PD_BIGORSMALL(f) ((((*(unsigned int*)&(f))&0x60000000)==0) || \
(((*(unsigned int*)&(f))&0x60000000)==0x60000000))
#else
#define PD_BIGORSMALL(f) 0
#endif
#endif
#endif
|
