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//------------------------------------------------------------------------------
// GB_mex_qsort: sort int64's using GB_qsort_1a
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2020, All Rights Reserved.
// http://suitesparse.com See GraphBLAS/Doc/License.txt for license.
//------------------------------------------------------------------------------
#include "GB_mex.h"
#define USAGE "J = qsort (I)"
void mexFunction
(
int nargout,
mxArray *pargout [ ],
int nargin,
const mxArray *pargin [ ]
)
{
// check inputs
if (nargin != 1)
{
mexErrMsgTxt ("Usage: " USAGE) ;
}
if (!mxIsClass (pargin [0], "int64"))
{
mexErrMsgTxt ("I must be a int64 array") ;
}
int64_t *I = mxGetData (pargin [0]) ;
int64_t n = (uint64_t) mxGetNumberOfElements (pargin [0]) ;
pargout [0] = GB_mx_create_full (1, n, GrB_INT64) ;
int64_t *J = mxGetData (pargout [0]) ;
memcpy (J, I, n * sizeof (int64_t)) ;
GB_MEX_TIC ;
GB_qsort_1a (J, n) ;
GB_MEX_TOC ;
GB_mx_put_time (0) ;
}
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