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#include "parser.h"
#include "printer.h"
#include "polynomial.h"
#include "division.h"
#include "lp.h"
#include "gfanapplication.h"
#include "polyhedralcone.h"
#include "polymakefile.h"
#include "determinant.h"
#include "subspace.h"
#include "triangulation.h"
#include "symmetry.h"
class CombineRaysApplication : public GFanApplication
{
StringOption inputOption;
StringOption sectionOption;
SimpleOption dumpOption;
IntegerOption dumpHeightOption;
IntegerOption dumpWidthOption;
public:
const char *helpText()
{
return "This program combines rays from the specified polymake file by adding according to a list of vectors of indices given on the standard input.\n";
}
CombineRaysApplication():
inputOption("-i","Specify the name of the input file.","examples/grassmann3_7.out"),
sectionOption("--section","Specify a section of the polymake file to use as input, rather than standard input.",0),
dumpOption("--dump","Dump specified section as a matrix rather than combining the rays"),
dumpHeightOption("--dheight","Specify height of matrix to be dumped.",1),
dumpWidthOption("--dwidth","Specify width of matrix to be dumped.",1)
{
dumpOption.hide();
dumpHeightOption.hide();
dumpWidthOption.hide();
registerOptions();
}
const char *name()
{
return "_combinerays";
}
int main()
{
PolymakeFile inFile;
inFile.open(inputOption.getValue());
if(dumpOption.getValue())
{
pout<<inFile.readMatrixProperty(sectionOption.getValue(),dumpHeightOption.getValue(),dumpWidthOption.getValue()).getRows();
return 0;
}
int N=inFile.readCardinalProperty("AMBIENT_DIM");
int nRays=inFile.readCardinalProperty("N_RAYS");
IntegerMatrix rays=inFile.readMatrixProperty("RAYS",nRays,N);
FileParser P(Stdin);
IntegerVectorList comb;
if(sectionOption.getValue())
{
vector<list<int> > l=inFile.readMatrixIncidenceProperty(sectionOption.getValue());
for(vector<list<int> >::const_iterator i=l.begin();i!=l.end();i++)
{
IntegerVector temp(i->size());
int J=0;
for(list<int>::const_iterator j=i->begin();j!=i->end();j++,J++)temp[J]=*j;
comb.push_back(temp);
}
}
else
comb=P.parseIntegerVectorList();
IntegerVectorList result;
for(IntegerVectorList::const_iterator j=comb.begin();j!=comb.end();j++)
{
IntegerVector interiorPoint(N);
for(int i=0;i<j->size();i++)
{
interiorPoint+=rays[(*j)[i]];
}
result.push_back(interiorPoint);
}
AsciiPrinter(Stdout).printVectorList(result);
fprintf(Stdout,"\n");
return 0;
}
};
static CombineRaysApplication theApplication;
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