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
|
//------------------------------------------------------------------------------
// GB_export.h: definitions for import/export
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#ifndef GB_EXPORT_H
#define GB_EXPORT_H
#include "GB_transpose.h"
GrB_Info GB_import // import/pack a matrix in any format
(
bool packing, // pack if true, create and import false
GrB_Matrix *A, // handle of matrix to create, or pack
GrB_Type type, // type of matrix to create
GrB_Index vlen, // vector length
GrB_Index vdim, // vector dimension
bool is_sparse_vector, // true if A is a sparse GrB_Vector
// the 5 arrays:
GrB_Index **Ap, // pointers, for sparse and hypersparse formats.
GrB_Index Ap_size, // size of Ap in bytes
GrB_Index **Ah, // vector indices for hypersparse matrices
GrB_Index Ah_size, // size of Ah in bytes
int8_t **Ab, // bitmap, for bitmap format only.
GrB_Index Ab_size, // size of Ab in bytes
GrB_Index **Ai, // indices for hyper and sparse formats
GrB_Index Ai_size, // size of Ai in bytes
void **Ax, // values
GrB_Index Ax_size, // size of Ax in bytes
// additional information for specific formats:
GrB_Index nvals, // # of entries for bitmap format, or for a vector
// in CSC format.
bool jumbled, // if true, sparse/hypersparse may be jumbled.
GrB_Index nvec, // size of Ah for hypersparse format.
// information for all formats:
int sparsity, // hypersparse, sparse, bitmap, or full
bool is_csc, // if true then matrix is by-column, else by-row
bool iso, // if true then A is iso and only one entry is provided
// in Ax, regardless of nvals(A).
// fast vs secure import:
bool fast_import, // if true: trust the data, if false: check it
bool add_to_memtable, // if true: add to debug memtable
GB_Context Context
) ;
GrB_Info GB_export // export/unpack a matrix in any format
(
bool unpacking, // unpack if true, export and free if false
GrB_Matrix *A, // handle of matrix to export and free, or unpack
GrB_Type *type, // type of matrix to export
GrB_Index *vlen, // vector length
GrB_Index *vdim, // vector dimension
bool is_sparse_vector, // true if A is a sparse GrB_Vector
// the 5 arrays:
GrB_Index **Ap, // pointers
GrB_Index *Ap_size, // size of Ap in bytes
GrB_Index **Ah, // vector indices
GrB_Index *Ah_size, // size of Ah in bytes
int8_t **Ab, // bitmap
GrB_Index *Ab_size, // size of Ab in bytes
GrB_Index **Ai, // indices
GrB_Index *Ai_size, // size of Ai in bytes
void **Ax, // values
GrB_Index *Ax_size, // size of Ax in bytes
// additional information for specific formats:
GrB_Index *nvals, // # of entries for bitmap format.
bool *jumbled, // if true, sparse/hypersparse may be jumbled.
GrB_Index *nvec, // size of Ah for hypersparse format.
// information for all formats:
int *sparsity, // hypersparse, sparse, bitmap, or full
bool *is_csc, // if true then matrix is by-column, else by-row
bool *iso, // if true then A is iso and only one entry is returned
// in Ax, regardless of nvals(A).
GB_Context Context
) ;
#endif
|
