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//------------------------------------------------------------------------------
// gbdisp: display a GraphBLAS matrix struct
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// Usage:
// gbdisp (C, cnz, level)
#include "gb_interface.h"
#define USAGE "usage: gbdisp (C, cnz, level)"
void mexFunction
(
int nargout,
mxArray *pargout [ ],
int nargin,
const mxArray *pargin [ ]
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
gb_usage (nargin == 3 && nargout == 0, USAGE) ;
//--------------------------------------------------------------------------
// get cnz and level
//--------------------------------------------------------------------------
double cnz = mxGetScalar (pargin [1]) ;
int level = (int) mxGetScalar (pargin [2]) ;
#define LEN 256
char s [LEN+1] ;
if (cnz == 0)
{
snprintf (s, LEN, "no nonzeros") ;
}
else if (cnz == 1)
{
snprintf (s, LEN, "1 nonzero") ;
}
else if (cnz < INT64_MAX)
{
snprintf (s, LEN, GBd " nonzeros", (int64_t) cnz) ;
}
else
{
snprintf (s, LEN, "%g nonzeros", cnz) ;
}
s [LEN] = '\0' ;
//--------------------------------------------------------------------------
// print the GraphBLAS matrix
//--------------------------------------------------------------------------
// print 1-based indices
OK (GxB_Global_Option_set (GxB_PRINT_1BASED, true)) ;
// print sizes of shallow components
GB_Global_print_mem_shallow_set (true) ;
GrB_Matrix C = gb_get_shallow (pargin [0]) ;
OK (GxB_Matrix_fprint (C, s, level, NULL)) ;
OK (GrB_Matrix_free (&C)) ;
GB_WRAPUP ;
}
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