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//----------------------------------------------------------------------------
// LAGraph/src/test/test_SWrite.c: test cases for LAGraph_SWrite and SRead
// ----------------------------------------------------------------------------
// LAGraph, (c) 2019-2022 by The LAGraph Contributors, All Rights Reserved.
// SPDX-License-Identifier: BSD-2-Clause
//
// For additional details (including references to third party source code and
// other files) see the LICENSE file or contact permission@sei.cmu.edu. See
// Contributors.txt for a full list of contributors. Created, in part, with
// funding and support from the U.S. Government (see Acknowledgments.txt file).
// DM22-0790
// Contributed by Timothy A. Davis, Texas A&M University
//-----------------------------------------------------------------------------
#include <stdio.h>
#include <acutest.h>
#include <LAGraphX.h>
#include <LAGraph_test.h>
char msg [LAGRAPH_MSG_LEN] ;
LAGraph_Graph G = NULL ;
GrB_Matrix A = NULL ;
GrB_Matrix B = NULL ;
GrB_Matrix *S = NULL ;
#define LEN 512
char filename [LEN+1] ;
#define NFILES 51
const char *files [ ] =
{
"A.mtx",
"cover.mtx",
"cover_structure.mtx",
"jagmesh7.mtx",
"ldbc-cdlp-directed-example.mtx",
"ldbc-cdlp-undirected-example.mtx",
"ldbc-directed-example-bool.mtx",
"ldbc-directed-example.mtx",
"ldbc-directed-example-unweighted.mtx",
"ldbc-undirected-example-bool.mtx",
"ldbc-undirected-example.mtx",
"ldbc-undirected-example-unweighted.mtx",
"ldbc-wcc-example.mtx",
"LFAT5.mtx",
"msf1.mtx",
"msf2.mtx",
"msf3.mtx",
"sample2.mtx",
"sample.mtx",
"sources_7.mtx",
"olm1000.mtx",
"bcsstk13.mtx",
"cryg2500.mtx",
"tree-example.mtx",
"west0067.mtx",
"lp_afiro.mtx",
"lp_afiro_structure.mtx",
"karate.mtx",
"matrix_bool.mtx",
"matrix_int8.mtx",
"matrix_int16.mtx",
"matrix_int32.mtx",
"matrix_int64.mtx",
"matrix_uint8.mtx",
"matrix_uint16.mtx",
"matrix_uint32.mtx",
"matrix_uint64.mtx",
"matrix_fp32.mtx",
"matrix_fp32_structure.mtx",
"matrix_fp64.mtx",
"west0067_jumbled.mtx",
"skew_fp32.mtx",
"skew_fp64.mtx",
"skew_int8.mtx",
"skew_int16.mtx",
"skew_int32.mtx",
"skew_int64.mtx",
"structure.mtx",
"full.mtx",
"full_symmetric.mtx",
"empty.mtx",
"",
} ;
//****************************************************************************
void test_SSaveSet (void)
{
LAGraph_Init (msg) ;
GrB_Descriptor desc = NULL ;
#if LAGRAPH_SUITESPARSE
OK (GrB_Descriptor_new (&desc)) ;
OK (GxB_set (desc, GxB_COMPRESSION, GxB_COMPRESSION_LZ4HC + 9)) ;
#endif
// load all matrices into a single set
GrB_Matrix *Set = NULL ;
OK (LAGraph_Malloc ((void **) &Set, NFILES, sizeof (GrB_Matrix), msg)) ;
for (int k = 0 ; k < NFILES ; k++)
{
// load the matrix as Set [k]
const char *aname = files [k] ;
if (strlen (aname) == 0) break;
TEST_CASE (aname) ;
snprintf (filename, LEN, LG_DATA_DIR "%s", aname) ;
FILE *f = fopen (filename, "r") ;
TEST_CHECK (f != NULL) ;
OK (LAGraph_MMRead (&(Set [k]), f, msg)) ;
fclose (f) ;
}
// workaround for bug in v6.0.0 to v6.0.2:
// ensure the matrix is not iso
#if LAGRAPH_SUITESPARSE
#if GxB_IMPLEMENTATION < GxB_VERSION (6,0,3)
printf ("\nworkaround for bug in SS:GrB v6.0.2 (fixed in v6.0.3)\n") ;
for (int k = 0 ; k < NFILES ; k++)
{
OK (GrB_Matrix_setElement (Set [k], 0, 0, 0)) ;
OK (GrB_wait (Set [k], GrB_MATERIALIZE)) ;
}
#endif
#endif
// save the set of matrices in a single file
OK (LAGraph_SSaveSet ("matrices.lagraph", Set, NFILES, "many test matrices",
msg)) ;
// load the matrices back in
GrB_Matrix *Set2 = NULL ;
GrB_Index nmatrices = 0 ;
char *collection = NULL ;
int r =
LAGraph_SLoadSet ("matrices.lagraph", &Set2, &nmatrices, &collection,
msg) ;
printf ("nmatrices %g r %d msg %s\n", (double) nmatrices, r, msg) ;
TEST_CHECK (nmatrices == NFILES) ;
TEST_CHECK (Set2 != NULL) ;
TEST_CHECK (strcmp (collection, "many test matrices") == 0) ;
// check the matrices
for (int k = 0 ; k < NFILES ; k++)
{
// ensure the matrices Set [k] and Set2 [k] are the same
bool ok ;
OK (LAGraph_Matrix_IsEqual (&ok, Set [k], Set2 [k], msg)) ;
TEST_CHECK (ok) ;
}
// free all matrices
LAGraph_SFreeSet (&Set, NFILES) ;
LAGraph_SFreeSet (&Set2, NFILES) ;
LAGraph_Free ((void **) &collection, NULL) ;
OK (GrB_free (&desc)) ;
LAGraph_Finalize (msg) ;
}
//****************************************************************************
TEST_LIST = {
{"SSaveSet", test_SSaveSet},
{NULL, NULL}
};
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