root/applications/bdmtoolbox/mex/epdf_covariance.cpp @ 1211

/*!
\file
\brief wrapper function for epdf.covariance()


 */

#include <stat/emix.h>

using namespace bdm;

#ifdef MEX
#include <mex/mex_parser.h>
#include <mex/mex_pdf.h>

void mexFunction ( int n_output, mxArray *output[], int n_input, const mxArray *input[] ) {
        // Check the number of inputs and output arguments
        if ( n_input<1 ) mexErrMsgTxt ( "Usage:\n"
                                                "vec=pdf_variance(pdf_struct)\n"
                                                "  pdf_struct = struct('class','pdf_offspring',...);  % description of pdf\n"
                                                "output:\n"
                                                "  vec variance of given pdf." );

        RV::clear_all();
        //CONFIG
        UImxArray Cfg(input[0]);
//      Cfg.writeFile("epdf_covariance.cfg");

        shared_ptr<epdf> ep=UI::build<epdf>(Cfg);

        if (ep) {
                output[0] = mxCreateDoubleMatrix(ep->dimension(), ep->dimension(), mxREAL);
                mat2mxArray(ep->covariance(), output[0]);
        } else { 
                mexErrMsgTxt ( "Given object is not epdf" );
        }
        
}
#endif