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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 1111 of file bbfan.cc.

1112 {
1113  blackbox *b=(blackbox*)omAlloc0(sizeof(blackbox));
1114  // all undefined entries will be set to default in setBlackboxStuff
1115  // the default Print is quite usefule,
1116  // all other are simply error messages
1117  b->blackbox_destroy=bbfan_destroy;
1118  b->blackbox_String=bbfan_String;
1119  //b->blackbox_Print=blackbox_default_Print;
1120  b->blackbox_Init=bbfan_Init;
1121  b->blackbox_Copy=bbfan_Copy;
1122  b->blackbox_Assign=bbfan_Assign;
1123  b->blackbox_serialize=bbfan_serialize;
1124  b->blackbox_deserialize=bbfan_deserialize;
1125  p->iiAddCproc("gfan.lib","emptyFan",FALSE,emptyFan);
1126  p->iiAddCproc("gfan.lib","fullFan",FALSE,fullFan);
1127  /* the following functions are implemented in bbcone.cc */
1128  // iiAddCproc("gfan.lib","containsInSupport",FALSE,containsInSupport);
1129  // iiAddCproc("gfan.lib","getAmbientDimension",FALSE,getAmbientDimension);
1130  // iiAddCproc("gfan.lib","getCodimension",FALSE,getDimension);
1131  // iiAddCproc("gfan.lib","getDimension",FALSE,getDimension);
1132  // iiAddCproc("gfan.lib","getLinealityDimension",FALSE,getLinealityDimension);
1133  // iiAddCproc("gfan.lib","isSimplicial",FALSE,isSimplicial);
1134  /********************************************************/
1135  p->iiAddCproc("gfan.lib","isCompatible",FALSE,isCompatible);
1136  p->iiAddCproc("gfan.lib","numberOfConesOfDimension",FALSE,numberOfConesOfDimension);
1137  p->iiAddCproc("gfan.lib","ncones",FALSE,ncones);
1138  p->iiAddCproc("gfan.lib","nmaxcones",FALSE,nmaxcones);
1139  p->iiAddCproc("gfan.lib","insertCone",FALSE,insertCone);
1140  p->iiAddCproc("gfan.lib","removeCone",FALSE,removeCone);
1141  p->iiAddCproc("gfan.lib","getCone",FALSE,getCone);
1142  p->iiAddCproc("gfan.lib","getCones",FALSE,getCones);
1143  p->iiAddCproc("gfan.lib","isPure",FALSE,isPure);
1144  p->iiAddCproc("gfan.lib","fanFromString",FALSE,fanFromString);
1145  p->iiAddCproc("gfan.lib","fanViaCones",FALSE,fanViaCones);
1146  p->iiAddCproc("gfan.lib","numberOfConesWithVector",FALSE,numberOfConesWithVector);
1147  // iiAddCproc("gfan.lib","isComplete",FALSE,isComplete); not working as expected, should leave this to polymake
1148  p->iiAddCproc("gfan.lib","fVector",FALSE,fVector);
1149  p->iiAddCproc("gfan.lib","containsInCollection",FALSE,containsInCollection);
1150  // p->iiAddCproc("gfan.lib","tropicalVariety",FALSE,tropicalVariety);
1151  p->iiAddCproc("gfan.lib","commonRefinement",FALSE,commonRefinement);
1152  // iiAddCproc("gfan.lib","grFan",FALSE,grFan);
1153  fanID=setBlackboxStuff(b,"fan");
1154  //Print("created type %d (fan)\n",fanID);
1155 }

◆ commonRefinement()

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

Definition at line 977 of file bbfan.cc.

978 {
979  assume(zf.getAmbientDimension() == zg.getAmbientDimension());
980 
981  // gather all maximal cones of f and g
982  std::list<gfan::ZCone> maximalConesOfF;
983  for (int d=0; d<=zf.getAmbientDimension(); d++)
984  for (int i=0; i<zf.numberOfConesOfDimension(d,0,1); i++)
985  maximalConesOfF.push_back(zf.getCone(d,i,0,1));
986 
987  std::list<gfan::ZCone> maximalConesOfG;
988  for (int d=0; d<=zg.getAmbientDimension(); d++)
989  for (int i=0; i<zg.numberOfConesOfDimension(d,0,1); i++)
990  maximalConesOfG.push_back(zg.getCone(d,i,0,1));
991 
992  // construct a new fan out of their intersections
993  gfan::ZFan zr = gfan::ZFan(zf.getAmbientDimension());
994  for (std::list<gfan::ZCone>::iterator itf=maximalConesOfF.begin();
995  itf != maximalConesOfF.end(); itf++)
996  for (std::list<gfan::ZCone>::iterator itg=maximalConesOfG.begin();
997  itg != maximalConesOfG.end(); itg++)
998  zr.insert(intersection(*itf,*itg));
999 
1000  return zr;
1001 }

◆ 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 356 of file bbfan.cc.

357 {
358  bool b = (zf->getAmbientDimension() == zc->ambientDimension());
359  if(b)
360  {
361  for (int d=0; d<=zf->getAmbientDimension(); d++)
362  {
363  for (int i=0; i<zf->numberOfConesOfDimension(d,0,1); i++)
364  {
365  gfan::ZCone zd = zf->getCone(d,i,0,1);
366  gfan::ZCone zt = gfan::intersection(*zc,zd);
367  zt.canonicalize();
368  b = b && zd.hasFace(zt);
369  }
370  }
371  }
372  return b;
373 }

◆ isSimplicial()

int isSimplicial ( gfan::ZFan *  zf)

Definition at line 711 of file bbfan.cc.

712 {
713  int i = zf->isSimplicial() ? 1 : 0;
714  return i;
715 }

◆ rays()

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

Definition at line 766 of file bbfan.cc.

767 {
768  gfan::ZMatrix rays(0,zf->getAmbientDimension());
769  for (int i=0; i<zf->numberOfConesOfDimension(1,0,0); i++)
770  {
771  gfan::ZCone zc = zf->getCone(1, i, 0, 0);
772  rays.append(zc.extremeRays());
773  }
774  return rays;
775 }

Variable Documentation

◆ fanID

int fanID

Definition at line 19 of file bbfan.cc.

FALSE
#define FALSE
Definition: auxiliary.h:94
ncones
BOOLEAN ncones(leftv res, leftv args)
Definition: bbfan.cc:313
emptyFan
BOOLEAN emptyFan(leftv res, leftv args)
Definition: bbfan.cc:176
numberOfConesOfDimension
BOOLEAN numberOfConesOfDimension(leftv res, leftv args)
Definition: bbfan.cc:266
bbfan_Init
void * bbfan_Init(blackbox *)
Definition: bbfan.cc:21
rays
gfan::ZMatrix rays(const gfan::ZFan *const zf)
Definition: bbfan.cc:766
bbfan_Assign
BOOLEAN bbfan_Assign(leftv l, leftv r)
Definition: bbfan.cc:71
isCompatible
bool isCompatible(const gfan::ZFan *zf, const gfan::ZCone *zc)
Definition: bbfan.cc:356
b
CanonicalForm b
Definition: cfModGcd.cc:4044
getCone
BOOLEAN getCone(leftv res, leftv args)
Definition: bbfan.cc:557
commonRefinement
gfan::ZFan commonRefinement(gfan::ZFan zf, gfan::ZFan zg)
Definition: bbfan.cc:977
fullFan
BOOLEAN fullFan(leftv res, leftv args)
Definition: bbfan.cc:228
i
int i
Definition: cfEzgcd.cc:125
bbfan_deserialize
BOOLEAN bbfan_deserialize(blackbox **b, void **d, si_link f)
Definition: bbfan.cc:1092
getCones
BOOLEAN getCones(leftv res, leftv args)
Definition: bbfan.cc:638
isPure
BOOLEAN isPure(leftv res, leftv args)
Definition: bbfan.cc:717
removeCone
BOOLEAN removeCone(leftv res, leftv args)
Definition: bbfan.cc:518
nmaxcones
BOOLEAN nmaxcones(leftv res, leftv args)
Definition: bbfan.cc:335
insertCone
BOOLEAN insertCone(leftv res, leftv args)
Definition: bbfan.cc:397
fVector
BOOLEAN fVector(leftv res, leftv args)
Definition: bbfan.cc:749
fanFromString
BOOLEAN fanFromString(leftv res, leftv args)
Definition: bbfan.cc:825
bbfan_String
char * bbfan_String(blackbox *, void *d)
Definition: bbfan.cc:35
bbfan_Copy
void * bbfan_Copy(blackbox *, void *d)
Definition: bbfan.cc:64
assume
#define assume(x)
Definition: mod2.h:384
containsInCollection
bool containsInCollection(gfan::ZFan *zf, gfan::ZCone *zc)
Definition: bbfan.cc:437
numberOfConesWithVector
int numberOfConesWithVector(gfan::ZFan *zf, gfan::ZVector *v)
Definition: bbfan.cc:777
bbfan_serialize
BOOLEAN bbfan_serialize(blackbox *b, void *d, si_link f)
Definition: bbfan.cc:1073
p
int p
Definition: cfModGcd.cc:4019
fanViaCones
BOOLEAN fanViaCones(leftv res, leftv args)
Definition: bbfan.cc:843
omAlloc0
#define omAlloc0(size)
Definition: omAllocDecl.h:209
fanID
int fanID
Definition: bbfan.cc:19
bbfan_destroy
void bbfan_destroy(blackbox *, void *d)
Definition: bbfan.cc:26
setBlackboxStuff
int setBlackboxStuff(blackbox *bb, const char *n)
define a new type
Definition: blackbox.cc:126