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//------------------------------------------------------------------------------
// GB_mex_test20: test GB_mask
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#include "GB_mex.h"
#include "GB_mex_errors.h"
#include "../Source/mask/GB_mask.h"
#define FREE_ALL ;
#define GET_DEEP_COPY ;
#define FREE_DEEP_COPY ;
void mexFunction
(
int nargout,
mxArray *pargout [ ],
int nargin,
const mxArray *pargin [ ]
)
{
//--------------------------------------------------------------------------
// startup GraphBLAS
//--------------------------------------------------------------------------
GrB_Info info ;
bool malloc_debug = GB_mx_get_global (true) ;
GB_WERK ("GB_mex_test20") ;
//--------------------------------------------------------------------------
// test GB_masker
//--------------------------------------------------------------------------
GrB_Matrix C = NULL, Z = NULL ;
int n = 5 ;
GxB_set (GxB_BURBLE, true) ;
for (int trial = 1 ; trial <= 2 ; trial++)
{
OK (GrB_Matrix_new (&C, GrB_FP32, n, n)) ;
OK (GrB_Matrix_new (&Z, GrB_FP32, n, n)) ;
OK (GxB_set (C, GxB_SPARSITY_CONTROL, GxB_SPARSE)) ;
OK (GxB_set (Z, GxB_SPARSITY_CONTROL, GxB_SPARSE)) ;
OK (GxB_print (Z, 3)) ;
for (int k = 0 ; k < n ; k++)
{
OK (GrB_Matrix_setElement (C, ((trial == 1) ? 1 : k), k, (k+1)%n)) ;
}
OK (GrB_wait (C, GrB_MATERIALIZE)) ;
OK (GxB_print (C, 3)) ;
bool Mask_struct = C->iso ;
OK (GB_mask (C, C, &Z, false, false, Mask_struct, Werk)) ;
OK (GxB_print (C, 3)) ;
GrB_free (&C) ;
}
//--------------------------------------------------------------------------
// finalize GraphBLAS
//--------------------------------------------------------------------------
GxB_set (GxB_BURBLE, false) ;
GB_mx_put_global (true) ;
printf ("\nGB_mex_test20: all tests passed\n\n") ;
}
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