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#include "parser.h"
#include "printer.h"
#include "wallideal.h"
#include "lp.h"
#include "gfanapplication.h"
#include "log.h"
class FacetsApplication : public GFanApplication
{
public:
bool includeInDefaultInstallation()
{
return false;
}
const char *helpText()
{
return "This program computes the facet normals of a full-dimensional cone specified on the input. The input is a list of vectors each defining a half space. The cone is the intersection of these half spaces. The output is a minimal list of normals defining the cone.\n";
}
FacetsApplication()
{
registerOptions();
}
const char *name()
{
return "_facets";
}
int main()
{
FileParser P(Stdin);
IntegerVectorList normals=P.parseIntegerVectorList();
normals=wallRemoveScaledInequalities(normals);
IntegerVectorList facets;
for(IntegerVectorList::const_iterator i=normals.begin();i!=normals.end();i++)
if(isFacet(normals,i))
{
facets.push_back(*i);
}
AsciiPrinter(Stdout).printVectorList(facets);
log1 fprintf(Stderr,"Rank:%i\n",rankOfMatrix(facets));
return 0;
}
};
static FacetsApplication theApplication;
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