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//------------------------------------------------------------------------------
// gbextractvalues: extract all entries from a GraphBLAS matrix
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// Usage:
// X = gbextractvalues (A)
#include "gb_interface.h"
#define USAGE "usage: X = GrB.extractvalues (A)"
void mexFunction
(
int nargout,
mxArray *pargout [ ],
int nargin,
const mxArray *pargin [ ]
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
gb_usage (nargin == 1 && nargout <= 1, USAGE) ;
//--------------------------------------------------------------------------
// get the matrix
//--------------------------------------------------------------------------
GrB_Matrix A = gb_get_shallow (pargin [0]) ;
GrB_Index nvals ;
OK (GrB_Matrix_nvals (&nvals, A)) ;
GrB_Type xtype ;
OK (GxB_Matrix_type (&xtype, A)) ;
GrB_Index s = MAX (nvals, 1) ;
//--------------------------------------------------------------------------
// extract the tuples
//--------------------------------------------------------------------------
if (xtype == GrB_BOOL)
{
bool *X = mxMalloc (s * sizeof (bool)) ;
OK (GrB_Matrix_extractTuples_BOOL (NULL, NULL, X, &nvals, A)) ;
pargout [0] = gb_export_to_mxfull ((void **) &X, nvals, 1, GrB_BOOL) ;
}
else if (xtype == GrB_INT8)
{
int8_t *X = mxMalloc (s * sizeof (int8_t)) ;
OK (GrB_Matrix_extractTuples_INT8 (NULL, NULL, X, &nvals, A)) ;
pargout [0] = gb_export_to_mxfull ((void **) &X, nvals, 1, GrB_INT8) ;
}
else if (xtype == GrB_INT16)
{
int16_t *X = mxMalloc (s * sizeof (int16_t)) ;
OK (GrB_Matrix_extractTuples_INT16 (NULL, NULL, X, &nvals, A)) ;
pargout [0] = gb_export_to_mxfull ((void **) &X, nvals, 1, GrB_INT16) ;
}
else if (xtype == GrB_INT32)
{
int32_t *X = mxMalloc (s * sizeof (int32_t)) ;
OK (GrB_Matrix_extractTuples_INT32 (NULL, NULL, X, &nvals, A)) ;
pargout [0] = gb_export_to_mxfull ((void **) &X, nvals, 1, GrB_INT32) ;
}
else if (xtype == GrB_INT64)
{
int64_t *X = mxMalloc (s * sizeof (int64_t)) ;
OK (GrB_Matrix_extractTuples_INT64 (NULL, NULL, X, &nvals, A)) ;
pargout [0] = gb_export_to_mxfull ((void **) &X, nvals, 1, GrB_INT64) ;
}
else if (xtype == GrB_UINT8)
{
uint8_t *X = mxMalloc (s * sizeof (uint8_t)) ;
OK (GrB_Matrix_extractTuples_UINT8 (NULL, NULL, X, &nvals, A)) ;
pargout [0] = gb_export_to_mxfull ((void **) &X, nvals, 1, GrB_UINT8) ;
}
else if (xtype == GrB_UINT16)
{
uint16_t *X = mxMalloc (s * sizeof (uint16_t)) ;
OK (GrB_Matrix_extractTuples_UINT16 (NULL, NULL, X, &nvals, A)) ;
pargout [0] = gb_export_to_mxfull ((void **) &X, nvals, 1, GrB_UINT16) ;
}
else if (xtype == GrB_UINT32)
{
uint32_t *X = mxMalloc (s * sizeof (uint32_t)) ;
OK (GrB_Matrix_extractTuples_UINT32 (NULL, NULL, X, &nvals, A)) ;
pargout [0] = gb_export_to_mxfull ((void **) &X, nvals, 1, GrB_UINT32) ;
}
else if (xtype == GrB_UINT64)
{
uint64_t *X = mxMalloc (s * sizeof (uint64_t)) ;
OK (GrB_Matrix_extractTuples_UINT64 (NULL, NULL, X, &nvals, A)) ;
pargout [0] = gb_export_to_mxfull ((void **) &X, nvals, 1, GrB_UINT64) ;
}
else if (xtype == GrB_FP32)
{
float *X = mxMalloc (s * sizeof (float)) ;
OK (GrB_Matrix_extractTuples_FP32 (NULL, NULL, X, &nvals, A)) ;
pargout [0] = gb_export_to_mxfull ((void **) &X, nvals, 1, GrB_FP32) ;
}
else if (xtype == GrB_FP64)
{
double *X = mxMalloc (s * sizeof (double)) ;
OK (GrB_Matrix_extractTuples_FP64 (NULL, NULL, X, &nvals, A)) ;
pargout [0] = gb_export_to_mxfull ((void **) &X, nvals, 1, GrB_FP64) ;
}
else if (xtype == GxB_FC32)
{
GxB_FC32_t *X = mxMalloc (s * sizeof (GxB_FC32_t)) ;
OK (GxB_Matrix_extractTuples_FC32 (NULL, NULL, X, &nvals, A)) ;
pargout [0] = gb_export_to_mxfull ((void **) &X, nvals, 1, GxB_FC32) ;
}
else if (xtype == GxB_FC64)
{
GxB_FC64_t *X = mxMalloc (s * sizeof (GxB_FC64_t)) ;
OK (GxB_Matrix_extractTuples_FC64 (NULL, NULL, X, &nvals, A)) ;
pargout [0] = gb_export_to_mxfull ((void **) &X, nvals, 1, GxB_FC64) ;
}
else
{
ERROR ("unsupported type") ;
}
//--------------------------------------------------------------------------
// free workspace
//--------------------------------------------------------------------------
OK (GrB_Matrix_free (&A)) ;
GB_WRAPUP ;
}
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