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//------------------------------------------------------------------------------
// GB_mex_test38: misc tests
//------------------------------------------------------------------------------
// 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/werk/include/GB_werk.h"
#undef FREE_ALL
#define FREE_ALL \
{ \
mxFree (W) ; W = NULL ; \
GrB_Vector_free (&V) ; \
GrB_Matrix_free (&A) ; \
}
#define GET_DEEP_COPY ;
#define FREE_DEEP_COPY ;
void mexFunction
(
int nargout,
mxArray *pargout [ ],
int nargin,
const mxArray *pargin [ ]
)
{
//--------------------------------------------------------------------------
// startup GraphBLAS
//--------------------------------------------------------------------------
GrB_Info info ;
GrB_Matrix A = NULL, B = NULL ;
GrB_Vector V = NULL ;
uint32_t *W = NULL ;
bool malloc_debug = GB_mx_get_global (true) ;
GB_WERK ("GB_mex_test38") ;
//--------------------------------------------------------------------------
// create a test matrix
//--------------------------------------------------------------------------
OK (GrB_Matrix_new (&A, GrB_FP64, 10, 10)) ;
double x = 1 ;
for (int64_t i = 0 ; i < 9 ; i++)
{
OK (GrB_Matrix_setElement_FP64 (A, x, i, i)) ;
x = x*1.2 ;
OK (GrB_Matrix_setElement_FP64 (A, x, i, i+1)) ;
x = x*1.2 ;
OK (GrB_Matrix_setElement_FP64 (A, x, i+1, i)) ;
x = x*1.2 ;
}
OK (GrB_Matrix_setElement_FP64 (A, x, 9, 9)) ;
x = x - 1000 ;
OK (GrB_Matrix_setElement_FP64 (A, x, 5, 2)) ;
OK (GxB_print (A, 5)) ;
//--------------------------------------------------------------------------
// test convert_int with pending tuples
//--------------------------------------------------------------------------
int expected = GrB_SUCCESS ;
OK (GB_convert_int (NULL, false, false, false, true)) ;
OK (GB_convert_int (A, false, false, false, true)) ;
OK (GxB_print (A, 5)) ;
OK (GrB_wait (A, GrB_MATERIALIZE)) ;
OK (GxB_print (A, 5)) ;
//--------------------------------------------------------------------------
// test 32-bit cumsum with integer overflow
//--------------------------------------------------------------------------
uint32_t n = 1000000 ;
W = mxMalloc (n * sizeof (uint32_t)) ;
for (int k = 0 ; k < n ; k++)
{
W [k] = UINT32_MAX ;
}
int64_t kresult ;
bool ok ;
ok = GB_cumsum (W, true, n, NULL, 1, Werk) ;
CHECK (!ok) ;
ok = GB_cumsum (W, true, n, NULL, 4, Werk) ;
CHECK (!ok) ;
ok = GB_cumsum (W, true, n, &kresult, 1, Werk) ;
CHECK (!ok) ;
ok = GB_cumsum (W, true, n, &kresult, 4, Werk) ;
CHECK (!ok) ;
//--------------------------------------------------------------------------
// test GB_index methods
//--------------------------------------------------------------------------
ok = GB_determine_p_is_32 (true, INT64_MAX / 4) ;
CHECK (!ok) ;
OK (GB_convert_int (A, true, true, true, true)) ;
OK (GrB_set (A, GxB_HYPERSPARSE, GxB_SPARSITY_CONTROL)) ;
OK (GrB_set (A, GrB_COLMAJOR, GrB_STORAGE_ORIENTATION_HINT)) ;
OK (GxB_print (A, 5)) ;
int64_t save = A->vlen ;
A->vlen = GrB_INDEX_MAX ;
if (A->i_is_32)
{
// matrix is too large for 32-bit integers:
expected = GrB_INVALID_OBJECT ;
ERR (GB_valid_matrix (A)) ;
ERR (GxB_print (A, 5)) ;
}
else
{
// matrix is OK with 64-bit integers
OK (GB_valid_matrix (A)) ;
OK (GxB_print (A, 5)) ;
}
A->vlen = save ;
OK (GB_valid_matrix (A)) ;
OK (GxB_print (A, 5)) ;
// index out of range:
uint32_t *Ai = A->i ;
save = Ai [0] ;
Ai [0] = 1000 ;
expected = GrB_INVALID_OBJECT ;
ERR (GxB_print (A, 5)) ;
Ai [0] = save ;
OK (GxB_print (A, 5)) ;
//--------------------------------------------------------------------------
// test GB_new_bix
//--------------------------------------------------------------------------
// matrix is too large for 32-bit integers
expected = GrB_INVALID_VALUE ;
ERR (GB_new_bix (&B, GrB_FP64, INT64_MAX / 4, INT64_MAX / 4, GB_ph_null,
true, GxB_HYPERSPARSE, false, 0.1, 2, 2, true, true,
true, true, true)) ;
CHECK (B == NULL) ;
//--------------------------------------------------------------------------
// test GrB_Matrix_sort with A == P (not supported)
//--------------------------------------------------------------------------
expected = GrB_NOT_IMPLEMENTED ;
GrB_Matrix_free (&A) ;
OK (GrB_Matrix_new (&A, GrB_INT64, 10, 10)) ;
ERR (GxB_Matrix_sort (NULL, A, GrB_LT_FP64, A, NULL)) ;
//--------------------------------------------------------------------------
// test GxB_*_extractTuples_Vector with I == A (not supported)
//--------------------------------------------------------------------------
OK (GrB_Vector_new (&V, GrB_INT64, 10)) ;
ERR (GxB_Vector_extractTuples_Vector (V, V, V, NULL)) ;
ERR (GxB_Matrix_extractTuples_Vector (V, V, V, A, NULL)) ;
//--------------------------------------------------------------------------
// finalize GraphBLAS
//--------------------------------------------------------------------------
FREE_ALL ;
GB_mx_put_global (true) ;
printf ("\nGB_mex_test38: all tests passed\n\n") ;
}
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