File: GB_convert_any_to_sparse.c

package info (click to toggle)
suitesparse-graphblas 7.4.0%2Bdfsg-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 67,112 kB
  • sloc: ansic: 1,072,243; cpp: 8,081; sh: 512; makefile: 506; asm: 369; python: 125; awk: 10
file content (66 lines) | stat: -rw-r--r-- 2,064 bytes parent folder | download | duplicates (2)
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
//------------------------------------------------------------------------------
// GB_convert_any_to_sparse: convert any matrix to sparse
//------------------------------------------------------------------------------

// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0

//------------------------------------------------------------------------------

#include "GB.h"
#define GB_FREE_ALL ;

GrB_Info GB_convert_any_to_sparse // convert to sparse
(
    GrB_Matrix A,           // matrix to convert to sparse
    GB_Context Context
)
{

    //--------------------------------------------------------------------------
    // check inputs
    //--------------------------------------------------------------------------

    GrB_Info info ;
    ASSERT_MATRIX_OK (A, "A being converted to sparse", GB0) ;
    ASSERT (GB_ZOMBIES_OK (A)) ;
    ASSERT (GB_JUMBLED_OK (A)) ;
    ASSERT (GB_PENDING_OK (A)) ;

    //--------------------------------------------------------------------------
    // convert A to sparse
    //--------------------------------------------------------------------------

    if (GB_IS_HYPERSPARSE (A))
    { 
        // convert from hypersparse to sparse
        GB_OK (GB_convert_hyper_to_sparse (A, true, Context)) ;
    }
    else if (GB_IS_FULL (A))
    { 
        // convert from full to sparse
        GB_OK (GB_convert_full_to_sparse (A, Context)) ;
    }
    else if (GB_IS_BITMAP (A))
    { 
        // convert from bitmap to sparse
        GB_OK (GB_convert_bitmap_to_sparse (A, Context)) ;
    }
    else
    { 
        // already sparse; nothing to do
        ;
    }

    //--------------------------------------------------------------------------
    // return result
    //--------------------------------------------------------------------------

    ASSERT_MATRIX_OK (A, "A to sparse", GB0) ;
    ASSERT (GB_IS_SPARSE (A)) ;
    ASSERT (GB_ZOMBIES_OK (A)) ;
    ASSERT (GB_JUMBLED_OK (A)) ;
    ASSERT (GB_PENDING_OK (A)) ;
    return (GrB_SUCCESS) ;
}