1 //------------------------------------------------------------------------------
2 // gbselectopinfo : print a GraphBLAS selectop (for illustration only)
3 //------------------------------------------------------------------------------
4
5 // SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2021, All Rights Reserved.
6 // SPDX-License-Identifier: GPL-3.0-or-later
7
8 //------------------------------------------------------------------------------
9
10 // Usage:
11
12 // gbselectopinfo (selectop)
13
14 #include "gb_matlab.h"
15
16 #define USAGE "usage: GrB.selectopinfo (selectop)"
17
mexFunction(int nargout,mxArray * pargout[],int nargin,const mxArray * pargin[])18 void mexFunction
19 (
20 int nargout,
21 mxArray *pargout [ ],
22 int nargin,
23 const mxArray *pargin [ ]
24 )
25 {
26
27 //--------------------------------------------------------------------------
28 // check inputs
29 //--------------------------------------------------------------------------
30
31 gb_usage (nargin == 1 && nargout == 0, USAGE) ;
32
33 //--------------------------------------------------------------------------
34 // construct the GraphBLAS selectop and print it
35 //--------------------------------------------------------------------------
36
37 #define LEN 256
38 char opstring [LEN+2] ;
39 gb_mxstring_to_string (opstring, LEN, pargin [0], "select operator") ;
40
41 GxB_SelectOp op = gb_mxstring_to_selectop (pargin [0]) ;
42 OK (GxB_SelectOp_fprint (op, opstring, GxB_COMPLETE, NULL)) ;
43 GB_WRAPUP ;
44 }
45
46