1 //------------------------------------------------------------------------------
2 // GrB_Matrix_nvals: number of entries in a sparse matrix
3 //------------------------------------------------------------------------------
4
5 // SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2021, All Rights Reserved.
6 // SPDX-License-Identifier: Apache-2.0
7
8 //------------------------------------------------------------------------------
9
10 #include "GB.h"
11
GrB_Matrix_nvals(GrB_Index * nvals,const GrB_Matrix A)12 GrB_Info GrB_Matrix_nvals // get the number of entries in a matrix
13 (
14 GrB_Index *nvals, // matrix has nvals entries
15 const GrB_Matrix A // matrix to query
16 )
17 {
18
19 //--------------------------------------------------------------------------
20 // check inputs
21 //--------------------------------------------------------------------------
22
23 GB_WHERE1 ("GrB_Matrix_nvals (&nvals, A)") ;
24 GB_BURBLE_START ("GrB_Matrix_nvals") ;
25 GB_RETURN_IF_NULL_OR_FAULTY (A) ;
26
27 //--------------------------------------------------------------------------
28 // get the number of entries
29 //--------------------------------------------------------------------------
30
31 GrB_Info info = GB_nvals (nvals, A, Context) ;
32 GB_BURBLE_END ;
33 return (info) ;
34 }
35
36