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GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it

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#include <stdlib.h>

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#include <vector>

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#include <fstream>

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#include <string>

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#ifdef _OPENMP

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#include <omp.h>

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#endif

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using namespace std;

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#include "libnormaliz/libnormaliz.h"

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#include "libnormaliz/cone.h"

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#include "libnormaliz/vector_operations.h"

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#include "libnormaliz/cone_property.h"

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#include "libnormaliz/integer.h"

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#include "libnormaliz/matrix.h"

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using namespace libnormaliz;

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typedef long long Integer;

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int main(int argc, char* argv[]){

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    Matrix<Integer> Gens=readMatrix<Integer>(string("small_gens.mat"));

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    vector<Cone<Integer> > ParCones(16);

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    #pragma omp parallel for

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    for(size_t i=0;i<ParCones.size();++i){

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        ParCones[i]=Cone<Integer>(Type::cone,Gens);

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        // ParCones[i].setVerbose(true);

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        switch(i%8){

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            case 0: ParCones[i].compute(ConeProperty::DefaultMode);

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                break;

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            case 1: ParCones[i].compute(ConeProperty::DualMode, ConeProperty::Deg1Elements);

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                break;

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            case 2: ParCones[i].compute(ConeProperty::Projection);

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                break;            

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            case 3: ParCones[i].compute(ConeProperty::ProjectionFloat);

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                break;

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            case 4: ParCones[i].compute(ConeProperty::Approximate, ConeProperty::IsGorenstein);

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                break;

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            case 5: ParCones[i].compute(ConeProperty::SupportHyperplanes);

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                break;

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            case 6: ParCones[i].compute(ConeProperty::IntegerHull);

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                break;

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            case 7: ParCones[i].compute(ConeProperty::IsIntegrallyClosed);

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                break;

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            default: break;

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        }        

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    }

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}  //end main

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