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
//------------------------------------------------------------------------------
// LAGraph_DeleteCached: deletes the cached properties of a graph
//------------------------------------------------------------------------------
// LAGraph, (c) 2019-2022 by The LAGraph Contributors, All Rights Reserved.
// SPDX-License-Identifier: BSD-2-Clause
//
// For additional details (including references to third party source code and
// other files) see the LICENSE file or contact permission@sei.cmu.edu. See
// Contributors.txt for a full list of contributors. Created, in part, with
// funding and support from the U.S. Government (see Acknowledgments.txt file).
// DM22-0790
// Contributed by Timothy A. Davis, Texas A&M University
//------------------------------------------------------------------------------
#include "LG_internal.h"
int LAGraph_DeleteCached
(
// input/output:
LAGraph_Graph G, // G stays valid, only cached properties are freed
char *msg
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
LG_CLEAR_MSG ;
if (G == NULL)
{
// success: nothing to do
return (GrB_SUCCESS) ;
}
//--------------------------------------------------------------------------
// free all cached properties of the graph
//--------------------------------------------------------------------------
GRB_TRY (GrB_free (&(G->AT))) ;
GRB_TRY (GrB_free (&(G->out_degree))) ;
GRB_TRY (GrB_free (&(G->in_degree))) ;
GRB_TRY (GrB_free (&(G->emin))) ;
GRB_TRY (GrB_free (&(G->emax))) ;
//--------------------------------------------------------------------------
// clear the cached scalar properties of the graph
//--------------------------------------------------------------------------
G->is_symmetric_structure =
(G->kind == LAGraph_ADJACENCY_UNDIRECTED)
? LAGraph_TRUE
: LAGRAPH_UNKNOWN ;
G->emin_state = LAGRAPH_UNKNOWN ;
G->emax_state = LAGRAPH_UNKNOWN ;
G->nself_edges = LAGRAPH_UNKNOWN ;
return (GrB_SUCCESS) ;
}