1/*
2 * Copyright (c) 2014 Apple Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24/*	CFBigNumber.h
25	Copyright (c) 2012-2013, Apple Inc. All rights reserved.
26*/
27
28#if !defined(__COREFOUNDATION_CFBIGNUMBER__)
29#define __COREFOUNDATION_CFBIGNUMBER__ 1
30
31#include <CoreFoundation/CFBase.h>
32#include <CoreFoundation/CFNumber.h>
33
34
35// Base 1 billion number: each digit represents 0 to 999999999
36typedef struct {
37    uint32_t digits[5];
38    int32_t sign:8;
39    uint32_t __:24;
40} _CFBigNum;
41
42void _CFBigNumInitWithInt8(_CFBigNum *r, int8_t inNum);
43void _CFBigNumInitWithInt16(_CFBigNum *r, int16_t inNum);
44void _CFBigNumInitWithInt32(_CFBigNum *r, int32_t inNum);
45void _CFBigNumInitWithInt64(_CFBigNum *r, int64_t inNum);
46#ifdef __LP64__
47void _CFBigNumInitWithInt128(_CFBigNum *r, __int128_t inNum);
48#endif
49
50void _CFBigNumInitWithUInt8(_CFBigNum *r, uint8_t inNum);
51void _CFBigNumInitWithUInt16(_CFBigNum *r, uint16_t inNum);
52void _CFBigNumInitWithUInt32(_CFBigNum *r, uint32_t inNum);
53void _CFBigNumInitWithUInt64(_CFBigNum *r, uint64_t inNum);
54#ifdef __LP64__
55void _CFBigNumInitWithUInt128(_CFBigNum *r, __uint128_t inNum);
56#endif
57
58int8_t  _CFBigNumGetInt8(const _CFBigNum *num);
59int16_t _CFBigNumGetInt16(const _CFBigNum *num);
60int32_t _CFBigNumGetInt32(const _CFBigNum *num);
61int64_t _CFBigNumGetInt64(const _CFBigNum *num);
62#ifdef __LP64__
63__int128_t _CFBigNumGetInt128(const _CFBigNum *num);
64#endif
65
66uint8_t  _CFBigNumGetUInt8(const _CFBigNum *num);
67uint16_t _CFBigNumGetUInt16(const _CFBigNum *num);
68uint32_t _CFBigNumGetUInt32(const _CFBigNum *num);
69uint64_t _CFBigNumGetUInt64(const _CFBigNum *num);
70#ifdef __LP64__
71__uint128_t _CFBigNumGetUInt128(const _CFBigNum *num);
72#endif
73
74void _CFBigNumInitWithCFNumber(_CFBigNum *r, CFNumberRef input);
75void _CFBigNumInitWithBytes(_CFBigNum *r, const void *bytes, CFNumberType type);
76CFNumberRef _CFNumberCreateWithBigNum(const _CFBigNum *input);
77
78
79CFComparisonResult _CFBigNumCompare(const _CFBigNum *a, const _CFBigNum *b);
80
81void _CFBigNumNeg(_CFBigNum *r, const _CFBigNum *a);
82uint8_t _CFBigNumAdd(_CFBigNum *r, const _CFBigNum *a, const _CFBigNum *b);
83uint8_t _CFBigNumSub(_CFBigNum *r, const _CFBigNum *a, const _CFBigNum *b);
84
85
86void _CFBigNumToCString(const _CFBigNum *vp, Boolean leading_zeros, Boolean leading_plus, char *buffer, size_t buflen);
87void _CFBigNumFromCString(_CFBigNum *r, const char *string);
88
89char *_CFBigNumCopyDescription(const _CFBigNum *num); // caller must free() returned ptr
90
91
92#endif /* ! __COREFOUNDATION_CFBIGNUMBER__ */
93
94