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
|
//------------------------------------------------------------------------------
// gbsemiringinfo: print a GraphBLAS semiring (for illustration only)
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// Usage:
// gbsemiringinfo (semiring_string)
// gbsemiringinfo (semiring_string, type)
#include "gb_interface.h"
#define USAGE "usage: GrB.semiringinfo (s) or GrB.semiringinfo (s,type)"
void mexFunction
(
int nargout,
mxArray *pargout [ ],
int nargin,
const mxArray *pargin [ ]
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
gb_usage (nargin >= 1 && nargin <= 2 && nargout == 0, USAGE) ;
//--------------------------------------------------------------------------
// construct the GraphBLAS semiring and print it
//--------------------------------------------------------------------------
#define LEN 256
char opstring [LEN+2] ;
gb_mxstring_to_string (opstring, LEN, pargin [0], "binary operator") ;
GrB_Type type = NULL ;
if (nargin > 1)
{
type = gb_mxstring_to_type (pargin [1]) ;
CHECK_ERROR (type == NULL, "unknown type") ;
}
GrB_Semiring semiring = gb_mxstring_to_semiring (pargin [0], type, type) ;
OK (GxB_Semiring_fprint (semiring, opstring, GxB_COMPLETE, NULL)) ;
GB_WRAPUP ;
}
|
