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comparison DEPENDENCIES/mingw32/Python27/include/longobject.h @ 87:2a2c65a20a8b
Add Python libs and headers
author | Chris Cannam |
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date | Wed, 25 Feb 2015 14:05:22 +0000 |
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86:413a9d26189e | 87:2a2c65a20a8b |
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1 #ifndef Py_LONGOBJECT_H | |
2 #define Py_LONGOBJECT_H | |
3 #ifdef __cplusplus | |
4 extern "C" { | |
5 #endif | |
6 | |
7 | |
8 /* Long (arbitrary precision) integer object interface */ | |
9 | |
10 typedef struct _longobject PyLongObject; /* Revealed in longintrepr.h */ | |
11 | |
12 PyAPI_DATA(PyTypeObject) PyLong_Type; | |
13 | |
14 #define PyLong_Check(op) \ | |
15 PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_LONG_SUBCLASS) | |
16 #define PyLong_CheckExact(op) (Py_TYPE(op) == &PyLong_Type) | |
17 | |
18 PyAPI_FUNC(PyObject *) PyLong_FromLong(long); | |
19 PyAPI_FUNC(PyObject *) PyLong_FromUnsignedLong(unsigned long); | |
20 PyAPI_FUNC(PyObject *) PyLong_FromDouble(double); | |
21 PyAPI_FUNC(PyObject *) PyLong_FromSize_t(size_t); | |
22 PyAPI_FUNC(PyObject *) PyLong_FromSsize_t(Py_ssize_t); | |
23 PyAPI_FUNC(long) PyLong_AsLong(PyObject *); | |
24 PyAPI_FUNC(long) PyLong_AsLongAndOverflow(PyObject *, int *); | |
25 PyAPI_FUNC(unsigned long) PyLong_AsUnsignedLong(PyObject *); | |
26 PyAPI_FUNC(unsigned long) PyLong_AsUnsignedLongMask(PyObject *); | |
27 PyAPI_FUNC(Py_ssize_t) PyLong_AsSsize_t(PyObject *); | |
28 PyAPI_FUNC(int) _PyLong_AsInt(PyObject *); | |
29 PyAPI_FUNC(PyObject *) PyLong_GetInfo(void); | |
30 | |
31 /* For use by intobject.c only */ | |
32 #define _PyLong_AsSsize_t PyLong_AsSsize_t | |
33 #define _PyLong_FromSize_t PyLong_FromSize_t | |
34 #define _PyLong_FromSsize_t PyLong_FromSsize_t | |
35 PyAPI_DATA(int) _PyLong_DigitValue[256]; | |
36 | |
37 /* _PyLong_Frexp returns a double x and an exponent e such that the | |
38 true value is approximately equal to x * 2**e. e is >= 0. x is | |
39 0.0 if and only if the input is 0 (in which case, e and x are both | |
40 zeroes); otherwise, 0.5 <= abs(x) < 1.0. On overflow, which is | |
41 possible if the number of bits doesn't fit into a Py_ssize_t, sets | |
42 OverflowError and returns -1.0 for x, 0 for e. */ | |
43 PyAPI_FUNC(double) _PyLong_Frexp(PyLongObject *a, Py_ssize_t *e); | |
44 | |
45 PyAPI_FUNC(double) PyLong_AsDouble(PyObject *); | |
46 PyAPI_FUNC(PyObject *) PyLong_FromVoidPtr(void *); | |
47 PyAPI_FUNC(void *) PyLong_AsVoidPtr(PyObject *); | |
48 | |
49 #ifdef HAVE_LONG_LONG | |
50 PyAPI_FUNC(PyObject *) PyLong_FromLongLong(PY_LONG_LONG); | |
51 PyAPI_FUNC(PyObject *) PyLong_FromUnsignedLongLong(unsigned PY_LONG_LONG); | |
52 PyAPI_FUNC(PY_LONG_LONG) PyLong_AsLongLong(PyObject *); | |
53 PyAPI_FUNC(unsigned PY_LONG_LONG) PyLong_AsUnsignedLongLong(PyObject *); | |
54 PyAPI_FUNC(unsigned PY_LONG_LONG) PyLong_AsUnsignedLongLongMask(PyObject *); | |
55 PyAPI_FUNC(PY_LONG_LONG) PyLong_AsLongLongAndOverflow(PyObject *, int *); | |
56 #endif /* HAVE_LONG_LONG */ | |
57 | |
58 PyAPI_FUNC(PyObject *) PyLong_FromString(char *, char **, int); | |
59 #ifdef Py_USING_UNICODE | |
60 PyAPI_FUNC(PyObject *) PyLong_FromUnicode(Py_UNICODE*, Py_ssize_t, int); | |
61 #endif | |
62 | |
63 /* _PyLong_Sign. Return 0 if v is 0, -1 if v < 0, +1 if v > 0. | |
64 v must not be NULL, and must be a normalized long. | |
65 There are no error cases. | |
66 */ | |
67 PyAPI_FUNC(int) _PyLong_Sign(PyObject *v); | |
68 | |
69 | |
70 /* _PyLong_NumBits. Return the number of bits needed to represent the | |
71 absolute value of a long. For example, this returns 1 for 1 and -1, 2 | |
72 for 2 and -2, and 2 for 3 and -3. It returns 0 for 0. | |
73 v must not be NULL, and must be a normalized long. | |
74 (size_t)-1 is returned and OverflowError set if the true result doesn't | |
75 fit in a size_t. | |
76 */ | |
77 PyAPI_FUNC(size_t) _PyLong_NumBits(PyObject *v); | |
78 | |
79 /* _PyLong_FromByteArray: View the n unsigned bytes as a binary integer in | |
80 base 256, and return a Python long with the same numeric value. | |
81 If n is 0, the integer is 0. Else: | |
82 If little_endian is 1/true, bytes[n-1] is the MSB and bytes[0] the LSB; | |
83 else (little_endian is 0/false) bytes[0] is the MSB and bytes[n-1] the | |
84 LSB. | |
85 If is_signed is 0/false, view the bytes as a non-negative integer. | |
86 If is_signed is 1/true, view the bytes as a 2's-complement integer, | |
87 non-negative if bit 0x80 of the MSB is clear, negative if set. | |
88 Error returns: | |
89 + Return NULL with the appropriate exception set if there's not | |
90 enough memory to create the Python long. | |
91 */ | |
92 PyAPI_FUNC(PyObject *) _PyLong_FromByteArray( | |
93 const unsigned char* bytes, size_t n, | |
94 int little_endian, int is_signed); | |
95 | |
96 /* _PyLong_AsByteArray: Convert the least-significant 8*n bits of long | |
97 v to a base-256 integer, stored in array bytes. Normally return 0, | |
98 return -1 on error. | |
99 If little_endian is 1/true, store the MSB at bytes[n-1] and the LSB at | |
100 bytes[0]; else (little_endian is 0/false) store the MSB at bytes[0] and | |
101 the LSB at bytes[n-1]. | |
102 If is_signed is 0/false, it's an error if v < 0; else (v >= 0) n bytes | |
103 are filled and there's nothing special about bit 0x80 of the MSB. | |
104 If is_signed is 1/true, bytes is filled with the 2's-complement | |
105 representation of v's value. Bit 0x80 of the MSB is the sign bit. | |
106 Error returns (-1): | |
107 + is_signed is 0 and v < 0. TypeError is set in this case, and bytes | |
108 isn't altered. | |
109 + n isn't big enough to hold the full mathematical value of v. For | |
110 example, if is_signed is 0 and there are more digits in the v than | |
111 fit in n; or if is_signed is 1, v < 0, and n is just 1 bit shy of | |
112 being large enough to hold a sign bit. OverflowError is set in this | |
113 case, but bytes holds the least-signficant n bytes of the true value. | |
114 */ | |
115 PyAPI_FUNC(int) _PyLong_AsByteArray(PyLongObject* v, | |
116 unsigned char* bytes, size_t n, | |
117 int little_endian, int is_signed); | |
118 | |
119 /* _PyLong_Format: Convert the long to a string object with given base, | |
120 appending a base prefix of 0[box] if base is 2, 8 or 16. | |
121 Add a trailing "L" if addL is non-zero. | |
122 If newstyle is zero, then use the pre-2.6 behavior of octal having | |
123 a leading "0", instead of the prefix "0o" */ | |
124 PyAPI_FUNC(PyObject *) _PyLong_Format(PyObject *aa, int base, int addL, int newstyle); | |
125 | |
126 /* Format the object based on the format_spec, as defined in PEP 3101 | |
127 (Advanced String Formatting). */ | |
128 PyAPI_FUNC(PyObject *) _PyLong_FormatAdvanced(PyObject *obj, | |
129 char *format_spec, | |
130 Py_ssize_t format_spec_len); | |
131 | |
132 #ifdef __cplusplus | |
133 } | |
134 #endif | |
135 #endif /* !Py_LONGOBJECT_H */ |