bbpolytope.h File Reference

#include "kernel/mod2.h"
#include "Singular/ipid.h"
#include "gfanlib/gfanlib.h"

Go to the source code of this file.

Functions
void	bbpolytope_setup (SModulFunctions *p)
bigintmat *	getFacetNormals (gfan::ZCone *zc)
int	getAmbientDimension (gfan::ZCone *zc)
int	getCodimension (gfan::ZCone *zc)
int	getDimension (gfan::ZCone *zc)
gfan::ZVector	intStar2ZVectorWithLeadingOne (const int d, const int *i)

Variables
EXTERN_VAR int	polytopeID

Function Documentation

bbpolytope_setup()

void bbpolytope_setup

(

SModulFunctions *

p

)

Definition at line 549 of file bbpolytope.cc.

{
  blackbox *b=(blackbox*)omAlloc0(sizeof(blackbox));
  // all undefined entries will be set to default in setBlackboxStuff
  // the default Print is quite usefule,
  // all other are simply error messages
  b->blackbox_destroy=bbpolytope_destroy;
  b->blackbox_String=bbpolytope_String;
  //b->blackbox_Print=blackbox_default_Print;
  b->blackbox_Init=bbpolytope_Init;
  b->blackbox_Copy=bbpolytope_Copy;
  b->blackbox_Assign=bbpolytope_Assign;
  p->iiAddCproc("gfan.lib","polytopeViaPoints",FALSE,polytopeViaVertices);
  p->iiAddCproc("gfan.lib","polytopeViaInequalities",FALSE,polytopeViaNormals);
  p->iiAddCproc("gfan.lib","vertices",FALSE,vertices);
  p->iiAddCproc("gfan.lib","newtonPolytope",FALSE,newtonPolytope);
  p->iiAddCproc("gfan.lib","scalePolytope",FALSE,scalePolytope);
  p->iiAddCproc("gfan.lib","dualPolytope",FALSE,dualPolytope);
  p->iiAddCproc("gfan.lib","mixedVolume",FALSE,mixedVolume);
  /********************************************************/
  /* the following functions are implemented in bbcone.cc */
  // iiAddCproc("gfan.lib","getAmbientDimension",FALSE,getAmbientDimension);
  // iiAddCproc("gfan.lib","getCodimension",FALSE,getAmbientDimension);
  // iiAddCproc("gfan.lib","getDimension",FALSE,getDimension);
  /********************************************************/
  /* the following functions are identical to those in bbcone.cc */
  // iiAddCproc("gfan.lib","facets",FALSE,facets);
  // iiAddCproc("gfan.lib","setLinearForms",FALSE,setLinearForms);
  // iiAddCproc("gfan.lib","getLinearForms",FALSE,getLinearForms);
  // iiAddCproc("gfan.lib","setMultiplicity",FALSE,setMultiplicity);
  // iiAddCproc("gfan.lib","getMultiplicity",FALSE,getMultiplicity);
  // iiAddCproc("gfan.lib","hasFace",FALSE,hasFace);
  /***************************************************************/
  // iiAddCproc("gfan.lib","getEquations",FALSE,getEquations);
  // iiAddCproc("gfan.lib","getInequalities",FALSE,getInequalities);
  polytopeID=setBlackboxStuff(b,"polytope");
  //Print("created type %d (polytope)\n",polytopeID);
}

getAmbientDimension()

int getAmbientDimension

(

gfan::ZCone *

zc

)

Definition at line 386 of file bbpolytope.cc.

{                                        // hence ambientDimension-1
  return zc->ambientDimension()-1;
}

getCodimension()

int getCodimension

(

gfan::ZCone *

zc

)

Definition at line 391 of file bbpolytope.cc.

{
  return zc->codimension();
}

getDimension()

int getDimension

(

gfan::ZCone *

zc

)

Definition at line 396 of file bbpolytope.cc.

{
  return zc->dimension()-1;
}

getFacetNormals()

bigintmat * getFacetNormals

(

gfan::ZCone *

zc

)

intStar2ZVectorWithLeadingOne()

gfan::ZVector intStar2ZVectorWithLeadingOne	(	const int	d,
		const int *	i
	)

Definition at line 401 of file bbpolytope.cc.

{
  gfan::ZVector zv(d+1);
  zv[0]=1;
  for(int j=1; j<=d; j++)
  {
    zv[j]=i[j];
  }
  return zv;
}

Variable Documentation

polytopeID

EXTERN_VAR int polytopeID

Definition at line 11 of file bbpolytope.h.