dynare/mex/sources/num_procs/num_procs.cc

33 lines
1.0 KiB
C++

/*
* Copyright © 2019-2022 Dynare Team
*
* This file is part of Dynare.
*
* Dynare is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Dynare is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Dynare. If not, see <https://www.gnu.org/licenses/>.
*/
#include <thread>
#include <dynmex.h>
void
mexFunction(int nlhs, mxArray *plhs[],
int nrhs, [[maybe_unused]] const mxArray *prhs[])
{
if (nrhs != 0 || nlhs != 1)
mexErrMsgTxt("Must have zero input argument and one output argument");
plhs[0] = mxCreateDoubleScalar(std::thread::hardware_concurrency());
}