Method toString

gfanlib/gfanlib_polyhedralfan.cpp:505–666

}

std::string PolyhedralFan::toString(int flags)const
//void PolyhedralFan::printWithIndices(class Printer *p, bool printMultiplicities, SymmetryGroup *sym, bool group, bool ignoreCones, bool xml, bool tPlaneSort, vector<string> const *comments)const
{
  stringstream ret;

  for(PolyhedralConeList::const_iterator i=cones.begin();i!=cones.end();i++)
    {
      ret<<"Cone\n"<<endl;
    ret<<*i;
    }  return ret.str();
#if 0
  PolymakeFile polymakeFile;
  polymakeFile.create("NONAME","PolyhedralFan","PolyhedralFan",flags&FPF_xml);

//  if(!sym)sym=&symm;

  if(cones.empty())
    {
//      p->printString("Polyhedral fan is empty. Printing not supported.\n");
      ret<<"Polyhedral fan is empty. Printing not supported.\n";
      return ret.str();
    }

  int h=cones.begin()->dimensionOfLinealitySpace();

//  log1 fprintf(Stderr,"Computing rays.\n");
  ZMatrix rays=getRaysInPrintingOrder();

  SymmetricComplex symCom(rays,cones.begin()->generatorsOfLinealitySpace(),symmetries);

  polymakeFile.writeCardinalProperty("AMBIENT_DIM",n);
  polymakeFile.writeCardinalProperty("DIM",getMaxDimension());
  polymakeFile.writeCardinalProperty("LINEALITY_DIM",h);
  polymakeFile.writeMatrixProperty("RAYS",rays,true,comments);
  polymakeFile.writeCardinalProperty("N_RAYS",rays.size());
  IntegerVectorList linealitySpaceGenerators=highestDimensionalCone().linealitySpace().dualCone().getEquations();
  polymakeFile.writeMatrixProperty("LINEALITY_SPACE",rowsToIntegerMatrix(linealitySpaceGenerators,n));
  polymakeFile.writeMatrixProperty("ORTH_LINEALITY_SPACE",rowsToIntegerMatrix(highestDimensionalCone().linealitySpace().getEquations(),n));

  if(flags & FPF_primitiveRays)
  {
         ZMatrix primitiveRays;
         for(IntegerVectorList::const_iterator i=rays.begin();i!=rays.end();i++)
                 for(PolyhedralConeList::const_iterator j=cones.begin();j!=cones.end();j++)
                         if(j->contains(*i)&&(j->dimensionOfLinealitySpace()+1==j->dimension()))
                                         primitiveRays.push_back(j->semiGroupGeneratorOfRay());

          polymakeFile.writeMatrixProperty("PRIMITIVE_RAYS",rowsToIntegerMatrix(primitiveRays,n));
  }


  ZMatrix generatorsOfLinealitySpace=cones.begin()->generatorsOfLinealitySpace();

  log1 fprintf(Stderr,"Building symmetric complex.\n");
  for(PolyhedralConeList::const_iterator i=cones.begin();i!=cones.end();i++)
    {
      {
        static int t;