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#include <cstdlib>
#include <vector>
#include <fstream>
#ifdef _OPENMP
#include <omp.h>
#endif
using namespace std;
#include "libnormaliz/libnormaliz.h"
using namespace libnormaliz;
typedef long long Integer;
int main(int argc, char* argv[]) {
Matrix<Integer> First(24); // =readMatrix<Integer>("first.mat");
Cone<Integer> MyCone(Type::inequalities, First);
MyCone.setVerbose(true);
MyCone.setFaceCodimBound(2);
MyCone.compute(ConeProperty::Dynamic, ConeProperty::FaceLattice);
Matrix<Integer> Second = readMatrix<Integer>("second.mat");
Second.pretty_print(cout);
MyCone.modifyCone(Type::inequalities, Second);
MyCone.compute(ConeProperty::FaceLattice);
Matrix<Integer> Facets = MyCone.getSupportHyperplanesMatrix();
MyCone.write_cone_output("MyConeAfterSecond");
map<dynamic_bitset, int> FL = MyCone.getFaceLattice();
auto FaceIt = FL.end();
FaceIt--;
dynamic_bitset Indicator = FaceIt->first;
cout << "Codim of last face " << FaceIt->second << endl;
cout << "Indicator of last face " << Indicator << endl;
size_t dim = MyCone.getEmbeddingDim();
Matrix<Integer> FaceEq(0, dim);
for (size_t i = 0; i < Indicator.size(); ++i) {
if (Indicator[i])
FaceEq.append(Facets[i]);
}
cout << "Equations of last face" << endl;
FaceEq.pretty_print(cout);
Cone<Integer> FaceCone(Type::inequalities, Facets, Type::equations, FaceEq);
FaceCone.compute(ConeProperty::ExtremeRays);
cout << " Extreme rays of last face " << endl;
FaceCone.getExtremeRaysMatrix().pretty_print(cout);
Matrix<Integer> Third = readMatrix<Integer>("third.mat");
MyCone.modifyCone(Type::equations, Third);
MyCone.setFaceCodimBound(1);
MyCone.compute(ConeProperty::FaceLattice);
MyCone.write_cone_output("MyConeAfterThird");
} // end main
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