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//------------------------------------------------------------------------------
// GB_mex_init: initialize GraphBLAS
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2020, All Rights Reserved.
// http://suitesparse.com See GraphBLAS/Doc/License.txt for license.
//------------------------------------------------------------------------------
// Returns the status of all global settings.
#include "GB_mex.h"
#define USAGE "[nthreads_max threading thread_safety format hyperratio" \
"name version date about license compiledate compiletime api api_about" \
" chunk] = GB_mex_init"
void mexFunction
(
int nargout,
mxArray *pargout [ ],
int nargin,
const mxArray *pargin [ ]
)
{
GxB_init (GrB_NONBLOCKING, mxMalloc, mxCalloc, mxRealloc, mxFree, false) ;
GB_WHERE (USAGE) ;
GB_Global_abort_function_set (GB_mx_abort) ;
GB_Global_malloc_tracking_set (true) ;
// MATLAB default is by column
GxB_Global_Option_set_(GxB_FORMAT, GxB_BY_COL) ;
int nthreads_max ;
GxB_Global_Option_get_(GxB_NTHREADS, &nthreads_max) ;
pargout [0] = mxCreateDoubleScalar (nthreads_max) ;
GxB_Thread_Model threading ;
GxB_Global_Option_get_(GxB_THREADING, &threading) ;
pargout [1] = mxCreateDoubleScalar (threading) ;
GxB_Thread_Model thread_safety ;
GxB_Global_Option_get_(GxB_THREAD_SAFETY, &thread_safety) ;
pargout [2] = mxCreateDoubleScalar (thread_safety) ;
GxB_Format_Value format ;
GxB_Global_Option_get_(GxB_FORMAT, &format) ;
pargout [3] = mxCreateDoubleScalar (format) ;
double hyperratio ;
GxB_Global_Option_get_(GxB_HYPER, &hyperratio) ;
pargout [4] = mxCreateDoubleScalar (hyperratio) ;
char *name ;
GxB_Global_Option_get_(GxB_LIBRARY_NAME, &name) ;
pargout [5] = mxCreateString (name) ;
int version [3] ;
GxB_Global_Option_get_(GxB_LIBRARY_VERSION, version) ;
pargout [6] = mxCreateDoubleMatrix (1, 3, mxREAL) ;
double *p = mxGetPr (pargout [6]) ;
p [0] = version [0] ;
p [1] = version [1] ;
p [2] = version [2] ;
char *date ;
GxB_Global_Option_get_(GxB_LIBRARY_DATE, &date) ;
pargout [7] = mxCreateString (date) ;
char *about ;
GxB_Global_Option_get_(GxB_LIBRARY_ABOUT, &about) ;
pargout [8] = mxCreateString (about) ;
char *license ;
GxB_Global_Option_get_(GxB_LIBRARY_LICENSE, &license) ;
pargout [9] = mxCreateString (license) ;
char *compile_date ;
GxB_Global_Option_get_(GxB_LIBRARY_COMPILE_DATE, &compile_date) ;
pargout [10] = mxCreateString (compile_date) ;
char *compile_time ;
GxB_Global_Option_get_(GxB_LIBRARY_COMPILE_TIME, &compile_time) ;
pargout [11] = mxCreateString (compile_time) ;
int api [3] ;
GxB_Global_Option_get_(GxB_API_VERSION, api) ;
pargout [12] = mxCreateDoubleMatrix (1, 3, mxREAL) ;
double *a = mxGetPr (pargout [12]) ;
a [0] = api [0] ;
a [1] = api [1] ;
a [2] = api [2] ;
char *api_about ;
GxB_Global_Option_get_(GxB_API_ABOUT, &api_about) ;
pargout [13] = mxCreateString (api_about) ;
double chunk ;
GxB_Global_Option_get_(GxB_CHUNK, &chunk) ;
pargout [14] = mxCreateDoubleScalar (chunk) ;
bool use_mkl ;
GxB_Global_Option_get_(GxB_MKL, &use_mkl) ;
pargout [15] = mxCreateLogicalScalar (use_mkl) ;
GrB_finalize ( ) ;
}
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