root/library/tests/merger_2d_test.cpp @ 384

#include "stat/exp_family.h"
#include "stat/merger.h"

using namespace bdm;

using namespace bdm;

//These lines are needed for use of cout and endl
using std::cout;
using std::endl;

int main() {

        RNG_randomize();
        
        RV x ( "{x }","1" );
        RV y ( "{y }","1" );

        RV xy=x; xy.add(y);
        
        enorm<fsqmat> f1; f1.set_rv ( xy );
        enorm<fsqmat> f2; f1.set_rv ( xy );
                
        mat R1 ( "0.5 0.48; 0.48 0.5" );
        mat R2 ( "0.5 0; 0 0.1" );
        f1.set_parameters ( "1 1", R1);
        f2.set_parameters ( "1 1",mat ( "0.5 0; 0 0.1" ) );
        
        Array<mpdf* > A ( 2 );
        mepdf A1(&f1);
        mepdf A2(&f2);
        A ( 0 ) =&A1;
        A ( 1 ) =&A2;
        
        int Npoints=100;
        mat x_grid(1,Npoints);
        x_grid.set_row(0,linspace ( -2.0, 4.0, Npoints ));
        mat y_grid(1,Npoints);
        y_grid.set_row(0,linspace ( -2.0, 4.0, Npoints ));
        
        mat Grid (2,Npoints*Npoints);
        Grid.set_submatrix ( 0,0, kron(x_grid,ones(1,Npoints)) );
        Grid.set_submatrix ( 1,0, kron(ones(1,Npoints), y_grid) );
        
        merger_mix M ( A );
        enorm<fsqmat> g0; g0.set_rv(xy);
        g0.set_parameters(vec("1 1"),mat("10 0; 0 10"));
        
        M.set_parameters(1);
        M.set_method(LOGNORMAL,1e8);
        M.set_support(g0,400);
        M.merge();
        
        MixEF &MM = M._Mix();
        emix* MP = MM.epredictor(); //xy
        
        vec Res1 = M.evallog_m(Grid);
        mat Res2 = (MP)->evallog_M(Grid);
        
        it_file it("merger_2d_test.it");
        it << Name("Npoints") << Npoints;
        it << Name("Grid") << Grid;
        it << Name("Res1") << Res1;
        it << Name("Res2") << Res2;
        it << Name("S1") << f1.evallog_m(Grid);
        it << Name("S2") << f2.evallog_m(Grid);
        cout << ((enorm<ldmat>*)(MP->_Coms(0)))->_R().to_mat() << endl;
}