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
142
143
144
145
146
147
148
149
150
151
152
|
//------------------------------------------------------------------------------
// gbdescriptorinfo: print a GraphBLAS descriptor (for illustration only)
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// Usage:
// gbdescriptorinfo
// gbdescriptorinfo (desc)
#include "gb_interface.h"
#define USAGE "usage: GrB.descriptorinfo or GrB.descriptorinfo (desc)"
void mexFunction
(
int nargout,
mxArray *pargout [ ],
int nargin,
const mxArray *pargin [ ]
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
gb_usage (nargin <= 1 && nargout == 0, USAGE) ;
//--------------------------------------------------------------------------
// construct the GraphBLAS descriptor
//--------------------------------------------------------------------------
base_enum_t base = BASE_DEFAULT ;
kind_enum_t kind = KIND_GRB ;
GxB_Format_Value fmt = GxB_NO_FORMAT ;
int sparsity = 0 ;
GrB_Descriptor desc = NULL ;
if (nargin > 0)
{
desc = gb_mxarray_to_descriptor (pargin [nargin-1], &kind, &fmt,
&sparsity, &base) ;
}
if (desc == NULL)
{
printf ("\nDefault GraphBLAS descriptor:\n") ;
OK (GrB_Descriptor_new (&desc)) ;
}
//--------------------------------------------------------------------------
// print the GraphBLAS descriptor
//--------------------------------------------------------------------------
OK (GxB_Descriptor_fprint (desc, "", GxB_COMPLETE, NULL)) ;
//--------------------------------------------------------------------------
// print the extra terms in the interface descriptor
//--------------------------------------------------------------------------
printf (" d.kind = ") ;
switch (kind)
{
case KIND_SPARSE : printf ("sparse\n") ; break ;
case KIND_FULL : printf ("full\n") ; break ;
case KIND_BUILTIN : printf ("builtin\n") ; break ;
case KIND_GRB :
default : printf ("GrB\n") ; break ;
}
printf (" d.base = ") ;
switch (base)
{
case BASE_0_INT64 : printf ("zero-based\n") ; break ;
case BASE_1_INT64 : printf ("one-based int\n") ; break ;
case BASE_1_DOUBLE : printf ("one-based\n") ; break ;
case BASE_DEFAULT :
default : printf ("default\n") ; break ;
}
printf (" d.format = ") ;
switch (sparsity)
{
case GxB_HYPERSPARSE : // 1
printf ("hypersparse ") ;
break ;
case GxB_SPARSE : // 2
printf ("sparse ") ;
break ;
case GxB_HYPERSPARSE + GxB_SPARSE : // 3
printf ("hypersparse/sparse ") ;
break ;
case GxB_BITMAP : // 4
printf ("bitmap ") ;
break ;
case GxB_HYPERSPARSE + GxB_BITMAP : // 5
printf ("hypersparse/bitmap ") ;
break ;
case GxB_SPARSE + GxB_BITMAP : // 6
printf ("sparse/bitmap ") ;
break ;
case GxB_HYPERSPARSE + GxB_SPARSE + GxB_BITMAP : // 7
printf ("hypersparse/sparse/bitmap ") ;
break ;
case GxB_FULL : // 8
printf ("full ") ;
break ;
case GxB_HYPERSPARSE + GxB_FULL : // 9
printf ("hypersparse/full ") ;
break ;
case GxB_SPARSE + GxB_FULL : // 10
printf ("sparse/full ") ;
break ;
default :
case GxB_HYPERSPARSE + GxB_SPARSE + GxB_FULL : // 11
// printf ("hypersparse/sparse/full ") ;
break ;
case GxB_BITMAP + GxB_FULL : // 12
printf ("bitmap/full ") ;
break ;
case GxB_HYPERSPARSE + GxB_BITMAP + GxB_FULL : // 13
printf ("hypersparse/bitmap/full ") ;
break ;
case GxB_SPARSE + GxB_BITMAP + GxB_FULL : // 14
printf ("sparse/bitmap/full ") ;
break ;
case GxB_HYPERSPARSE + GxB_SPARSE + GxB_BITMAP + GxB_FULL : // 15
printf ("hypersparse/sparse/bitmap/full ") ;
break ;
}
switch (fmt)
{
case GxB_BY_ROW : printf ("by row\n") ; break ;
case GxB_BY_COL : printf ("by col\n") ; break ;
case GxB_NO_FORMAT :
default : printf ("by default\n") ; break ;
}
//--------------------------------------------------------------------------
// free the descriptor
//--------------------------------------------------------------------------
OK (GrB_Descriptor_free (&desc)) ;
GB_WRAPUP ;
}
|
