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//------------------------------------------------------------------------------
// GraphBLAS/Demo/Program/import_demo.c: test import/export
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// Read a graph from a file and test import/export. Usage:
//
// import_demo < infile
// macro used by OK(...) to free workspace if an error occurs
#define FREE_ALL \
GrB_Matrix_free (&A) ; \
#include "graphblas_demos.h"
int main (int argc, char **argv)
{
GrB_Matrix A = NULL ;
GrB_Info info ;
OK (GrB_init (GrB_NONBLOCKING)) ;
int nthreads ;
OK (GxB_Global_Option_get (GxB_GLOBAL_NTHREADS, &nthreads)) ;
fprintf (stderr, "import_demo: nthreads: %d\n", nthreads) ;
//--------------------------------------------------------------------------
// get a matrix
//--------------------------------------------------------------------------
// usage: ./main < file
// ./main 0 dump < file
// ./main 1 dump < file
//
// default is 0-based, for the matrices in the Matrix/ folder
bool one_based = false ;
bool dump = false ;
if (argc > 1) one_based = strtol (argv [1], NULL, 0) ;
if (argc > 2) dump = strtol (argv [2], NULL, 0) ;
OK (read_matrix (&A, stdin, false, false, one_based, false, false)) ;
for (int hyper = 0 ; hyper <= 1 ; hyper++)
{
for (int csc = 0 ; csc <= 1 ; csc++)
{
double h = hyper ? GxB_ALWAYS_HYPER : GxB_NEVER_HYPER ;
GxB_Format_Value f = csc ? GxB_BY_COL : GxB_BY_ROW ;
printf ("\n######### input A: hyper %d csc %d\n", hyper, csc) ;
for (int format = 0 ; format <= 3 ; format++)
{
OK (GxB_Matrix_Option_set (A, GxB_HYPER_SWITCH, h)) ;
OK (GxB_Matrix_Option_set (A, GxB_FORMAT, f)) ;
OK (import_test (&A, format, dump)) ;
}
}
}
FREE_ALL ;
OK (GrB_finalize ( )) ;
printf ("import_demo: all tests passed\n") ;
}
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