Functions | Variables
bbfan.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 bbfan_setup (SModulFunctions *p)
 
bool isCompatible (const gfan::ZFan *zf, const gfan::ZCone *zc)
 
int getAmbientDimension (gfan::ZFan *zf)
 
int getCodimension (gfan::ZFan *zf)
 
int getDimension (gfan::ZFan *zf)
 
int getLinealityDimension (gfan::ZFan *zf)
 
int isSimplicial (gfan::ZFan *zf)
 
gfan::Matrix< gfan::Integer > rays (const gfan::ZFan *const zf)
 
gfan::ZFan commonRefinement (gfan::ZFan zf, gfan::ZFan zg)
 

Variables

int fanID
 

Function Documentation

§ bbfan_setup()

void bbfan_setup ( SModulFunctions p)

Definition at line 1078 of file bbfan.cc.

1079 {
1080  blackbox *b=(blackbox*)omAlloc0(sizeof(blackbox));
1081  // all undefined entries will be set to default in setBlackboxStuff
1082  // the default Print is quite usefule,
1083  // all other are simply error messages
1084  b->blackbox_destroy=bbfan_destroy;
1085  b->blackbox_String=bbfan_String;
1086  //b->blackbox_Print=blackbox_default_Print;
1087  b->blackbox_Init=bbfan_Init;
1088  b->blackbox_Copy=bbfan_Copy;
1089  b->blackbox_Assign=bbfan_Assign;
1090  b->blackbox_serialize=bbfan_serialize;
1091  b->blackbox_deserialize=bbfan_deserialize;
1092  p->iiAddCproc("","emptyFan",FALSE,emptyFan);
1093  p->iiAddCproc("","fullFan",FALSE,fullFan);
1094  /* the following functions are implemented in bbcone.cc */
1095  // iiAddCproc("","containsInSupport",FALSE,containsInSupport);
1096  // iiAddCproc("","getAmbientDimension",FALSE,getAmbientDimension);
1097  // iiAddCproc("","getCodimension",FALSE,getDimension);
1098  // iiAddCproc("","getDimension",FALSE,getDimension);
1099  // iiAddCproc("","getLinealityDimension",FALSE,getLinealityDimension);
1100  // iiAddCproc("","isSimplicial",FALSE,isSimplicial);
1101  /********************************************************/
1102  p->iiAddCproc("","isCompatible",FALSE,isCompatible);
1103  p->iiAddCproc("","numberOfConesOfDimension",FALSE,numberOfConesOfDimension);
1104  p->iiAddCproc("","ncones",FALSE,ncones);
1105  p->iiAddCproc("","nmaxcones",FALSE,nmaxcones);
1106  p->iiAddCproc("","insertCone",FALSE,insertCone);
1107  p->iiAddCproc("","removeCone",FALSE,removeCone);
1108  p->iiAddCproc("","getCone",FALSE,getCone);
1109  p->iiAddCproc("","getCones",FALSE,getCones);
1110  p->iiAddCproc("","isPure",FALSE,isPure);
1111  p->iiAddCproc("","fanFromString",FALSE,fanFromString);
1112  p->iiAddCproc("","fanViaCones",FALSE,fanViaCones);
1113  p->iiAddCproc("","numberOfConesWithVector",FALSE,numberOfConesWithVector);
1114  // iiAddCproc("","isComplete",FALSE,isComplete); not working as expected, should leave this to polymake
1115  p->iiAddCproc("","fVector",FALSE,fVector);
1116  p->iiAddCproc("","containsInCollection",FALSE,containsInCollection);
1117  // p->iiAddCproc("","tropicalVariety",FALSE,tropicalVariety);
1118  p->iiAddCproc("","commonRefinement",FALSE,commonRefinement);
1119  // iiAddCproc("","grFan",FALSE,grFan);
1120  fanID=setBlackboxStuff(b,"fan");
1121  //Print("created type %d (fan)\n",fanID);
1122 }
char * bbfan_String(blackbox *, void *d)
Definition: bbfan.cc:36
#define FALSE
Definition: auxiliary.h:97
BOOLEAN numberOfConesOfDimension(leftv res, leftv args)
Definition: bbfan.cc:266
BOOLEAN nmaxcones(leftv res, leftv args)
Definition: bbfan.cc:332
bool isCompatible(const gfan::ZFan *zf, const gfan::ZCone *zc)
Definition: bbfan.cc:352
void * bbfan_Init(blackbox *)
Definition: bbfan.cc:22
BOOLEAN fullFan(leftv res, leftv args)
Definition: bbfan.cc:228
BOOLEAN bbfan_Assign(leftv l, leftv r)
Definition: bbfan.cc:70
BOOLEAN emptyFan(leftv res, leftv args)
Definition: bbfan.cc:175
BOOLEAN fanViaCones(leftv res, leftv args)
Definition: bbfan.cc:820
int fanID
Definition: bbfan.cc:20
void * bbfan_Copy(blackbox *, void *d)
Definition: bbfan.cc:63
BOOLEAN bbfan_deserialize(blackbox **b, void **d, si_link f)
Definition: bbfan.cc:1059
BOOLEAN getCone(leftv res, leftv args)
Definition: bbfan.cc:546
BOOLEAN fanFromString(leftv res, leftv args)
Definition: bbfan.cc:803
BOOLEAN ncones(leftv res, leftv args)
Definition: bbfan.cc:311
int numberOfConesWithVector(gfan::ZFan *zf, gfan::ZVector *v)
Definition: bbfan.cc:756
BOOLEAN insertCone(leftv res, leftv args)
Definition: bbfan.cc:392
BOOLEAN fVector(leftv res, leftv args)
Definition: bbfan.cc:728
bool containsInCollection(gfan::ZFan *zf, gfan::ZCone *zc)
Definition: bbfan.cc:430
BOOLEAN getCones(leftv res, leftv args)
Definition: bbfan.cc:622
BOOLEAN isPure(leftv res, leftv args)
Definition: bbfan.cc:697
gfan::ZFan commonRefinement(gfan::ZFan zf, gfan::ZFan zg)
Definition: bbfan.cc:945
BOOLEAN removeCone(leftv res, leftv args)
Definition: bbfan.cc:509
BOOLEAN bbfan_serialize(blackbox *b, void *d, si_link f)
Definition: bbfan.cc:1040
int(* iiAddCproc)(const char *libname, const char *procname, BOOLEAN pstatic, BOOLEAN(*func)(leftv res, leftv v))
Definition: ipid.h:71
int setBlackboxStuff(blackbox *bb, const char *n)
define a new type
Definition: blackbox.cc:124
const poly b
Definition: syzextra.cc:213
void bbfan_destroy(blackbox *, void *d)
Definition: bbfan.cc:27
#define omAlloc0(size)
Definition: omAllocDecl.h:211

§ commonRefinement()

gfan::ZFan commonRefinement ( gfan::ZFan  zf,
gfan::ZFan  zg 
)

Definition at line 945 of file bbfan.cc.

946 {
947  assume(zf.getAmbientDimension() == zg.getAmbientDimension());
948 
949  // gather all maximal cones of f and g
950  std::list<gfan::ZCone> maximalConesOfF;
951  for (int d=0; d<=zf.getAmbientDimension(); d++)
952  for (int i=0; i<zf.numberOfConesOfDimension(d,0,1); i++)
953  maximalConesOfF.push_back(zf.getCone(d,i,0,1));
954 
955  std::list<gfan::ZCone> maximalConesOfG;
956  for (int d=0; d<=zg.getAmbientDimension(); d++)
957  for (int i=0; i<zg.numberOfConesOfDimension(d,0,1); i++)
958  maximalConesOfG.push_back(zg.getCone(d,i,0,1));
959 
960  // construct a new fan out of their intersections
961  gfan::ZFan zr = gfan::ZFan(zf.getAmbientDimension());
962  for (std::list<gfan::ZCone>::iterator itf=maximalConesOfF.begin();
963  itf != maximalConesOfF.end(); itf++)
964  for (std::list<gfan::ZCone>::iterator itg=maximalConesOfG.begin();
965  itg != maximalConesOfG.end(); itg++)
966  zr.insert(intersection(*itf,*itg));
967 
968  return zr;
969 }
#define assume(x)
Definition: mod2.h:403
int i
Definition: cfEzgcd.cc:123

§ getAmbientDimension()

int getAmbientDimension ( gfan::ZFan *  zf)

Definition at line 246 of file bbfan.cc.

247 {
248  return zf->getAmbientDimension();
249 }

§ getCodimension()

int getCodimension ( gfan::ZFan *  zf)

Definition at line 251 of file bbfan.cc.

252 {
253  return zf->getCodimension();
254 }

§ getDimension()

int getDimension ( gfan::ZFan *  zf)

Definition at line 256 of file bbfan.cc.

257 {
258  return zf->getDimension();
259 }

§ getLinealityDimension()

int getLinealityDimension ( gfan::ZFan *  zf)

Definition at line 261 of file bbfan.cc.

262 {
263  return zf->getLinealityDimension();
264 }

§ isCompatible()

bool isCompatible ( const gfan::ZFan *  zf,
const gfan::ZCone *  zc 
)

Definition at line 352 of file bbfan.cc.

353 {
354  bool b = (zf->getAmbientDimension() == zc->ambientDimension());
355  if(b)
356  {
357  for (int d=0; d<=zf->getAmbientDimension(); d++)
358  {
359  for (int i=0; i<zf->numberOfConesOfDimension(d,0,1); i++)
360  {
361  gfan::ZCone zd = zf->getCone(d,i,0,1);
362  gfan::ZCone zt = gfan::intersection(*zc,zd);
363  zt.canonicalize();
364  b = b && zd.hasFace(zt);
365  }
366  }
367  }
368  return b;
369 }
int i
Definition: cfEzgcd.cc:123
const poly b
Definition: syzextra.cc:213

§ isSimplicial()

int isSimplicial ( gfan::ZFan *  zf)

Definition at line 691 of file bbfan.cc.

692 {
693  int i = zf->isSimplicial() ? 1 : 0;
694  return i;
695 }
int i
Definition: cfEzgcd.cc:123

§ rays()

gfan::Matrix<gfan::Integer> rays ( const gfan::ZFan *const  zf)

Definition at line 744 of file bbfan.cc.

745 {
746  gfan::initializeCddlibIfRequired();
747  gfan::ZMatrix rays(0,zf->getAmbientDimension());
748  for (int i=0; i<zf->numberOfConesOfDimension(1,0,0); i++)
749  {
750  gfan::ZCone zc = zf->getCone(1, i, 0, 0);
751  rays.append(zc.extremeRays());
752  }
753  return rays;
754 }
gfan::ZMatrix rays(const gfan::ZFan *const zf)
Definition: bbfan.cc:744
int i
Definition: cfEzgcd.cc:123

Variable Documentation

§ fanID

int fanID

Definition at line 20 of file bbfan.cc.