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| Rev 2479 | Rev 2798 | ||
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| Line 33... | Line 33... | ||
| 33 | */ |
33 | */ |
| 34 | 34 | ||
| 35 | #ifndef __SFTYPES_H__ |
35 | #ifndef __SFTYPES_H__ |
| 36 | #define __SFTYPES_H__ |
36 | #define __SFTYPES_H__ |
| 37 | 37 | ||
| 38 | #include <endian.h> |
38 | #include <byteorder.h> |
| 39 | #include <stdint.h> |
39 | #include <stdint.h> |
| 40 | 40 | ||
| 41 | typedef union { |
41 | typedef union { |
| 42 | float f; |
42 | float f; |
| 43 | uint32_t binary; |
43 | uint32_t binary; |
| 44 | 44 | ||
| 45 | struct { |
45 | struct { |
| 46 | #if __BYTE_ORDER == __BIG_ENDIAN |
46 | #if defined(ARCH_IS_BIG_ENDIAN) |
| 47 | uint32_t sign:1; |
47 | uint32_t sign:1; |
| 48 | uint32_t exp:8; |
48 | uint32_t exp:8; |
| 49 | uint32_t fraction:23; |
49 | uint32_t fraction:23; |
| 50 | #elif __BYTE_ORDER == __LITTLE_ENDIAN |
50 | #elif defined(ARCH_IS_LITTLE_ENDIAN) |
| 51 | uint32_t fraction:23; |
51 | uint32_t fraction:23; |
| 52 | uint32_t exp:8; |
52 | uint32_t exp:8; |
| 53 | uint32_t sign:1; |
53 | uint32_t sign:1; |
| 54 | #else |
54 | #else |
| 55 | #error "Unknown endians." |
55 | #error "Unknown endians." |
| 56 | #endif |
56 | #endif |
| 57 | } parts __attribute__ ((packed)); |
57 | } parts __attribute__ ((packed)); |
| 58 | } float32; |
58 | } float32; |
| 59 | 59 | ||
| 60 | typedef union { |
60 | typedef union { |
| 61 | double d; |
61 | double d; |
| 62 | uint64_t binary; |
62 | uint64_t binary; |
| 63 | 63 | ||
| 64 | struct { |
64 | struct { |
| 65 | #if __BYTE_ORDER == __BIG_ENDIAN |
65 | #if defined(ARCH_IS_BIG_ENDIAN) |
| 66 | uint64_t sign:1; |
66 | uint64_t sign:1; |
| 67 | uint64_t exp:11; |
67 | uint64_t exp:11; |
| 68 | uint64_t fraction:52; |
68 | uint64_t fraction:52; |
| 69 | #elif __BYTE_ORDER == __LITTLE_ENDIAN |
69 | #elif defined(ARCH_IS_LITTLE_ENDIAN) |
| 70 | uint64_t fraction:52; |
70 | uint64_t fraction:52; |
| 71 | uint64_t exp:11; |
71 | uint64_t exp:11; |
| 72 | uint64_t sign:1; |
72 | uint64_t sign:1; |
| 73 | #else |
73 | #else |
| 74 | #error "Unknown endians." |
74 | #error "Unknown endians." |
| 75 | #endif |
75 | #endif |
| 76 | } parts __attribute__ ((packed)); |
76 | } parts __attribute__ ((packed)); |
| 77 | } float64; |
77 | } float64; |
| 78 | 78 | ||
| 79 | #define FLOAT32_MAX 0x7f800000 |
79 | #define FLOAT32_MAX 0x7f800000 |
| 80 | #define FLOAT32_MIN 0xff800000 |
80 | #define FLOAT32_MIN 0xff800000 |
| 81 | #define FLOAT64_MAX |
81 | #define FLOAT64_MAX |
| 82 | #define FLOAT64_MIN |
82 | #define FLOAT64_MIN |
| 83 | 83 | ||
| - | 84 | /* |
|
| 84 | /* For recognizing NaNs or infinity use isFloat32NaN and is Float32Inf, comparing with this constants is not sufficient */ |
85 | * For recognizing NaNs or infinity use isFloat32NaN and is Float32Inf, |
| - | 86 | * comparing with these constants is not sufficient. |
|
| - | 87 | */ |
|
| 85 | #define FLOAT32_NAN 0x7FC00001 |
88 | #define FLOAT32_NAN 0x7FC00001 |
| 86 | #define FLOAT32_SIGNAN 0x7F800001 |
89 | #define FLOAT32_SIGNAN 0x7F800001 |
| 87 | #define FLOAT32_INF 0x7F800000 |
90 | #define FLOAT32_INF 0x7F800000 |
| 88 | 91 | ||
| 89 | #define FLOAT64_NAN 0x7FF8000000000001ll |
92 | #define FLOAT64_NAN 0x7FF8000000000001ll |