fpmath.h (f154b03b25139930b6e998966bf3b3fd37249ba9) fpmath.h (74aed9855d18f91a1a2b22bd649f278bc4634acc)
1/*-
2 * Copyright (c) 2003 Mike Barcroft <mike@FreeBSD.org>
3 * Copyright (c) 2002 David Schultz <das@FreeBSD.ORG>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

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25 * SUCH DAMAGE.
26 *
27 * $FreeBSD$
28 */
29
30#include <sys/endian.h>
31#include "_fpmath.h"
32
1/*-
2 * Copyright (c) 2003 Mike Barcroft <mike@FreeBSD.org>
3 * Copyright (c) 2002 David Schultz <das@FreeBSD.ORG>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

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25 * SUCH DAMAGE.
26 *
27 * $FreeBSD$
28 */
29
30#include <sys/endian.h>
31#include "_fpmath.h"
32
33#ifndef _IEEE_WORD_ORDER
34#define _IEEE_WORD_ORDER _BYTE_ORDER
35#endif
36
33union IEEEf2bits {
34 float f;
35 struct {
36#if _BYTE_ORDER == _LITTLE_ENDIAN
37 unsigned int man :23;
38 unsigned int exp :8;
39 unsigned int sign :1;
40#else /* _BIG_ENDIAN */

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47
48#define DBL_MANH_SIZE 20
49#define DBL_MANL_SIZE 32
50
51union IEEEd2bits {
52 double d;
53 struct {
54#if _BYTE_ORDER == _LITTLE_ENDIAN
37union IEEEf2bits {
38 float f;
39 struct {
40#if _BYTE_ORDER == _LITTLE_ENDIAN
41 unsigned int man :23;
42 unsigned int exp :8;
43 unsigned int sign :1;
44#else /* _BIG_ENDIAN */

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51
52#define DBL_MANH_SIZE 20
53#define DBL_MANL_SIZE 32
54
55union IEEEd2bits {
56 double d;
57 struct {
58#if _BYTE_ORDER == _LITTLE_ENDIAN
59#if _IEEE_WORD_ORDER == _LITTLE_ENDIAN
55 unsigned int manl :32;
60 unsigned int manl :32;
61#endif
56 unsigned int manh :20;
57 unsigned int exp :11;
58 unsigned int sign :1;
62 unsigned int manh :20;
63 unsigned int exp :11;
64 unsigned int sign :1;
65#if _IEEE_WORD_ORDER == _BIG_ENDIAN
66 unsigned int manl :32;
67#endif
59#else /* _BIG_ENDIAN */
60 unsigned int sign :1;
61 unsigned int exp :11;
62 unsigned int manh :20;
63 unsigned int manl :32;
64#endif
65 } bits;
66};
68#else /* _BIG_ENDIAN */
69 unsigned int sign :1;
70 unsigned int exp :11;
71 unsigned int manh :20;
72 unsigned int manl :32;
73#endif
74 } bits;
75};