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
|
//------------------------------------------------------------------------------
// GxB_Vector_Option_get: get an option in a vector
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#include "GB.h"
GrB_Info GxB_Vector_Option_get // gets the current option of a vector
(
GrB_Vector v, // vector to query
GxB_Option_Field field, // option to query
... // return value of the vector option
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_WHERE1 ("GxB_Vector_Option_get (v, field, &value)") ;
GB_RETURN_IF_NULL_OR_FAULTY (v) ;
ASSERT_VECTOR_OK (v, "v to get option", GB0) ;
//--------------------------------------------------------------------------
// get the option
//--------------------------------------------------------------------------
va_list ap ;
switch (field)
{
case GxB_BITMAP_SWITCH :
{
va_start (ap, field) ;
double *bitmap_switch = va_arg (ap, double *) ;
va_end (ap) ;
GB_RETURN_IF_NULL (bitmap_switch) ;
(*bitmap_switch) = (double) v->bitmap_switch ;
}
break ;
case GxB_SPARSITY_CONTROL :
{
va_start (ap, field) ;
int *sparsity_control = va_arg (ap, int *) ;
va_end (ap) ;
GB_RETURN_IF_NULL (sparsity_control) ;
(*sparsity_control) = v->sparsity_control ;
}
break ;
case GxB_SPARSITY_STATUS :
{
va_start (ap, field) ;
int *sparsity = va_arg (ap, int *) ;
va_end (ap) ;
GB_RETURN_IF_NULL (sparsity) ;
(*sparsity) = GB_sparsity ((GrB_Matrix) v) ;
}
break ;
case GxB_FORMAT :
{
// a GrB_Vector is always stored by-column
va_start (ap, field) ;
GxB_Format_Value *format = va_arg (ap, GxB_Format_Value *) ;
va_end (ap) ;
GB_RETURN_IF_NULL (format) ;
(*format) = GxB_BY_COL ;
}
break ;
case GxB_IS_HYPER : // historical; use GxB_SPARSITY_STATUS instead
{
// a GrB_Vector is never hypersparse
va_start (ap, field) ;
bool *v_is_hyper = va_arg (ap, bool *) ;
va_end (ap) ;
GB_RETURN_IF_NULL (v_is_hyper) ;
(*v_is_hyper) = false ;
}
break ;
default :
return (GrB_INVALID_VALUE) ;
}
#pragma omp flush
return (GrB_SUCCESS) ;
}
|
