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
|
//------------------------------------------------------------------------------
// GB_vector_reset: empty contents of a GrB_Vector and set its length to 0
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// Clears nearly all prior content of V, making V a full GrB_Vector of length
// zero. The type is not changed. V->user_name is preserved. get/set
// controls (hyper_switch, bitmap_switch, [pji]_control, etc) are preserved,
// except that V->sparsity_control is revised to allow V to become a full
// vector. All other content is freed.
#include "GB_container.h"
void GB_vector_reset
(
GrB_Vector V
)
{
if (V != NULL)
{
GB_phybix_free ((GrB_Matrix) V) ;
V->plen = -1 ;
V->vlen = 0 ;
V->vdim = 1 ;
V->nvec = 1 ;
// V->nvec_nonempty = 0 ;
GB_nvec_nonempty_set ((GrB_Matrix) V, 0) ;
V->nvals = 0 ;
V->sparsity_control = V->sparsity_control | GxB_FULL ;
V->is_csc = true ;
V->p_is_32 = false ;
V->j_is_32 = false ;
V->i_is_32 = false ;
V->magic = GB_MAGIC ;
// V is now a valid GrB_Vector of length 0, in the full format
ASSERT_VECTOR_OK (V, "V reset", GB0) ;
ASSERT (GB_IS_FULL (V)) ;
}
}
|
