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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 |