aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/croaring/include/roaring/containers/mixed_negation.h
blob: aef27e7eb6a7a2847c709696666a6baaca8f7e10 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/*
 * mixed_negation.h
 *
 */

#ifndef INCLUDE_CONTAINERS_MIXED_NEGATION_H_
#define INCLUDE_CONTAINERS_MIXED_NEGATION_H_

#include <roaring/containers/array.h>
#include <roaring/containers/bitset.h>
#include <roaring/containers/run.h>

#ifdef __cplusplus
extern "C" { namespace roaring { namespace internal {
#endif

/* Negation across the entire range of the container.
 * Compute the  negation of src  and write the result
 * to *dst. The complement of a
 * sufficiently sparse set will always be dense and a hence a bitmap
 * We assume that dst is pre-allocated and a valid bitset container
 * There can be no in-place version.
 */
void array_container_negation(const array_container_t *src,
                              bitset_container_t *dst);

/* Negation across the entire range of the container
 * Compute the  negation of src  and write the result
 * to *dst.  A true return value indicates a bitset result,
 * otherwise the result is an array container.
 *  We assume that dst is not pre-allocated. In
 * case of failure, *dst will be NULL.
 */
bool bitset_container_negation(
        const bitset_container_t *src,
        container_t **dst);

/* inplace version */
/*
 * Same as bitset_container_negation except that if the output is to
 * be a
 * bitset_container_t, then src is modified and no allocation is made.
 * If the output is to be an array_container_t, then caller is responsible
 * to free the container.
 * In all cases, the result is in *dst.
 */
bool bitset_container_negation_inplace(
        bitset_container_t *src,
        container_t **dst);

/* Negation across the entire range of container
 * Compute the  negation of src  and write the result
 * to *dst.
 * Return values are the *_TYPECODES as defined * in containers.h
 *  We assume that dst is not pre-allocated. In
 * case of failure, *dst will be NULL.
 */
int run_container_negation(const run_container_t *src, container_t **dst);

/*
 * Same as run_container_negation except that if the output is to
 * be a
 * run_container_t, and has the capacity to hold the result,
 * then src is modified and no allocation is made.
 * In all cases, the result is in *dst.
 */
int run_container_negation_inplace(run_container_t *src, container_t **dst);

/* Negation across a range of the container.
 * Compute the  negation of src  and write the result
 * to *dst. Returns true if the result is a bitset container
 * and false for an array container.  *dst is not preallocated.
 */
bool array_container_negation_range(
        const array_container_t *src,
        const int range_start, const int range_end,
        container_t **dst);

/* Even when the result would fit, it is unclear how to make an
 * inplace version without inefficient copying.  Thus this routine
 * may be a wrapper for the non-in-place version
 */
bool array_container_negation_range_inplace(
        array_container_t *src,
        const int range_start, const int range_end,
        container_t **dst);

/* Negation across a range of the container
 * Compute the  negation of src  and write the result
 * to *dst.  A true return value indicates a bitset result,
 * otherwise the result is an array container.
 *  We assume that dst is not pre-allocated. In
 * case of failure, *dst will be NULL.
 */
bool bitset_container_negation_range(
        const bitset_container_t *src,
        const int range_start, const int range_end,
        container_t **dst);

/* inplace version */
/*
 * Same as bitset_container_negation except that if the output is to
 * be a
 * bitset_container_t, then src is modified and no allocation is made.
 * If the output is to be an array_container_t, then caller is responsible
 * to free the container.
 * In all cases, the result is in *dst.
 */
bool bitset_container_negation_range_inplace(
        bitset_container_t *src,
        const int range_start, const int range_end,
        container_t **dst);

/* Negation across a range of container
 * Compute the  negation of src  and write the result
 * to *dst.  Return values are the *_TYPECODES as defined * in containers.h
 *  We assume that dst is not pre-allocated. In
 * case of failure, *dst will be NULL.
 */
int run_container_negation_range(
        const run_container_t *src,
        const int range_start, const int range_end,
        container_t **dst);

/*
 * Same as run_container_negation except that if the output is to
 * be a
 * run_container_t, and has the capacity to hold the result,
 * then src is modified and no allocation is made.
 * In all cases, the result is in *dst.
 */
int run_container_negation_range_inplace(
        run_container_t *src,
        const int range_start, const int range_end,
        container_t **dst);

#ifdef __cplusplus
} } }  // extern "C" { namespace roaring { namespace internal {
#endif

#endif /* INCLUDE_CONTAINERS_MIXED_NEGATION_H_ */