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
|
//------------------------------------------------------------------------------
// GrB_Descriptor_new: create a new descriptor
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// Default values are set to GxB_DEFAULT
#include "GB.h"
GrB_Info GrB_Descriptor_new // create a new descriptor
(
GrB_Descriptor *descriptor // handle of descriptor to create
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_WHERE1 ("GrB_Descriptor_new (&descriptor)") ;
GB_RETURN_IF_NULL (descriptor) ;
(*descriptor) = NULL ;
//--------------------------------------------------------------------------
// create the descriptor
//--------------------------------------------------------------------------
// allocate the descriptor
size_t header_size ;
(*descriptor) = GB_MALLOC (1, struct GB_Descriptor_opaque, &header_size) ;
if (*descriptor == NULL)
{
// out of memory
return (GrB_OUT_OF_MEMORY) ;
}
// initialize the descriptor
GrB_Descriptor desc = *descriptor ;
desc->magic = GB_MAGIC ;
desc->header_size = header_size ;
desc->logger = NULL ; // error string
desc->logger_size = 0 ;
desc->out = GxB_DEFAULT ; // descriptor for output
desc->mask = GxB_DEFAULT ; // descriptor for the mask input
desc->in0 = GxB_DEFAULT ; // descriptor for the first input
desc->in1 = GxB_DEFAULT ; // descriptor for the second input
desc->axb = GxB_DEFAULT ; // descriptor for selecting the C=A*B method
desc->nthreads_max = GxB_DEFAULT ; // max # of threads to use
desc->chunk = GxB_DEFAULT ; // chunk for auto-tuning of # threads
desc->do_sort = false ; // do not sort in GrB_mxm and others
desc->compression = GxB_DEFAULT ;
desc->import = GxB_DEFAULT ; // trust input data in GxB import/deserialize
return (GrB_SUCCESS) ;
}
|
