source: trunk/src/gcc/libiberty/copysign.c@ 2254

Last change on this file since 2254 was 2, checked in by bird, 23 years ago

Initial revision
  • Property cvs2svn:cvs-rev set to 1.1
  • Property svn:eol-style set to native
  • Property svn:executable set to *
File size: 2.6 KB
Line 
1#include <ansidecl.h>
2
3#ifdef __IEEE_BIG_ENDIAN
4
5typedef union
6{
7 double value;
8 struct
9 {
10 unsigned int sign : 1;
11 unsigned int exponent: 11;
12 unsigned int fraction0:4;
13 unsigned int fraction1:16;
14 unsigned int fraction2:16;
15 unsigned int fraction3:16;
16
17 } number;
18 struct
19 {
20 unsigned int sign : 1;
21 unsigned int exponent: 11;
22 unsigned int quiet:1;
23 unsigned int function0:3;
24 unsigned int function1:16;
25 unsigned int function2:16;
26 unsigned int function3:16;
27 } nan;
28 struct
29 {
30 unsigned long msw;
31 unsigned long lsw;
32 } parts;
33 long aslong[2];
34} __ieee_double_shape_type;
35
36#endif
37
38#ifdef __IEEE_LITTLE_ENDIAN
39
40typedef union
41{
42 double value;
43 struct
44 {
45#ifdef __SMALL_BITFIELDS
46 unsigned int fraction3:16;
47 unsigned int fraction2:16;
48 unsigned int fraction1:16;
49 unsigned int fraction0: 4;
50#else
51 unsigned int fraction1:32;
52 unsigned int fraction0:20;
53#endif
54 unsigned int exponent :11;
55 unsigned int sign : 1;
56 } number;
57 struct
58 {
59#ifdef __SMALL_BITFIELDS
60 unsigned int function3:16;
61 unsigned int function2:16;
62 unsigned int function1:16;
63 unsigned int function0:3;
64#else
65 unsigned int function1:32;
66 unsigned int function0:19;
67#endif
68 unsigned int quiet:1;
69 unsigned int exponent: 11;
70 unsigned int sign : 1;
71 } nan;
72 struct
73 {
74 unsigned long lsw;
75 unsigned long msw;
76 } parts;
77