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 1112 of file bbfan.cc.

1113 {
1114  blackbox *b=(blackbox*)omAlloc0(sizeof(blackbox));
1115  // all undefined entries will be set to default in setBlackboxStuff
1116  // the default Print is quite usefule,
1117  // all other are simply error messages
1118  b->blackbox_destroy=bbfan_destroy;
1119  b->blackbox_String=bbfan_String;
1120  //b->blackbox_Print=blackbox_default_Print;
1121  b->blackbox_Init=bbfan_Init;
1122  b->blackbox_Copy=bbfan_Copy;
1123  b->blackbox_Assign=bbfan_Assign;
1124  b->blackbox_serialize=bbfan_serialize;
1125  b->blackbox_deserialize=bbfan_deserialize;
1126  p->iiAddCproc("gfan.lib","emptyFan",FALSE,emptyFan);
1127  p->iiAddCproc("gfan.lib","fullFan",FALSE,fullFan);
1128  /* the following functions are implemented in bbcone.cc */
1129  // iiAddCproc("gfan.lib","containsInSupport",FALSE,containsInSupport);
1130  // iiAddCproc("gfan.lib","getAmbientDimension",FALSE,getAmbientDimension);
1131  // iiAddCproc("gfan.lib","getCodimension",FALSE,getDimension);
1132  // iiAddCproc("gfan.lib","getDimension",FALSE,getDimension);
1133  // iiAddCproc("gfan.lib","getLinealityDimension",FALSE,getLinealityDimension);
1134  // iiAddCproc("gfan.lib","isSimplicial",FALSE,isSimplicial);
1135  /********************************************************/
1136  p->iiAddCproc("gfan.lib","isCompatible",FALSE,isCompatible);
1137  p->iiAddCproc("gfan.lib","numberOfConesOfDimension",FALSE,numberOfConesOfDimension);
1138  p->iiAddCproc("gfan.lib","ncones",FALSE,ncones);
1139  p->iiAddCproc("gfan.lib","nmaxcones",FALSE,nmaxcones);
1140  p->iiAddCproc("gfan.lib","insertCone",FALSE,insertCone);
1141  p->iiAddCproc("gfan.lib","removeCone",FALSE,removeCone);
1142  p->iiAddCproc("gfan.lib","getCone",FALSE,getCone);
1143  p->iiAddCproc("gfan.lib","getCones",FALSE,getCones);
1144  p->iiAddCproc("gfan.lib","isPure",FALSE,isPure);
1145  p->iiAddCproc("gfan.lib","fanFromString",FALSE,fanFromString);
1146  p->iiAddCproc("gfan.lib","fanViaCones",FALSE,fanViaCones);
1147  p->iiAddCproc("gfan.lib","numberOfConesWithVector",FALSE,numberOfConesWithVector);
1148  // iiAddCproc("gfan.lib","isComplete",FALSE,isComplete); not working as expected, should leave this to polymake
1149  p->iiAddCproc("gfan.lib","fVector",FALSE,fVector);
1150  p->iiAddCproc("gfan.lib","containsInCollection",FALSE,containsInCollection);
1151  // p->iiAddCproc("gfan.lib","tropicalVariety",FALSE,tropicalVariety);
1152  p->iiAddCproc("gfan.lib","commonRefinement",FALSE,commonRefinement);
1153  // iiAddCproc("gfan.lib","grFan",FALSE,grFan);
1154  fanID=setBlackboxStuff(b,"fan");
1155  //Print("created type %d (fan)\n",fanID);
1156 }
char * bbfan_String(blackbox *, void *d)
Definition: bbfan.cc:36
#define FALSE
Definition: auxiliary.h:94
BOOLEAN numberOfConesOfDimension(leftv res, leftv args)
Definition: bbfan.cc:267
BOOLEAN nmaxcones(leftv res, leftv args)
Definition: bbfan.cc:336
bool isCompatible(const gfan::ZFan *zf, const gfan::ZCone *zc)
Definition: bbfan.cc:357
void * bbfan_Init(blackbox *)
Definition: bbfan.cc:22
BOOLEAN fullFan(leftv res, leftv args)
Definition: bbfan.cc:229
BOOLEAN bbfan_Assign(leftv l, leftv r)
Definition: bbfan.cc:72
BOOLEAN emptyFan(leftv res, leftv args)
Definition: bbfan.cc:177
BOOLEAN fanViaCones(leftv res, leftv args)
Definition: bbfan.cc:844
int fanID
Definition: bbfan.cc:20
void * bbfan_Copy(blackbox *, void *d)
Definition: bbfan.cc:65
BOOLEAN bbfan_deserialize(blackbox **b, void **d, si_link f)
Definition: bbfan.cc:1093
BOOLEAN getCone(leftv res, leftv args)
Definition: bbfan.cc:558
BOOLEAN fanFromString(leftv res, leftv args)
Definition: bbfan.cc:826
BOOLEAN ncones(leftv res, leftv args)
Definition: bbfan.cc:314
int numberOfConesWithVector(gfan::ZFan *zf, gfan::ZVector *v)
Definition: bbfan.cc:778
BOOLEAN insertCone(leftv res, leftv args)
Definition: bbfan.cc:398
BOOLEAN fVector(leftv res, leftv args)
Definition: bbfan.cc:750
bool containsInCollection(gfan::ZFan *zf, gfan::ZCone *zc)
Definition: bbfan.cc:438
BOOLEAN getCones(leftv res, leftv args)
Definition: bbfan.cc:639
BOOLEAN isPure(leftv res, leftv args)
Definition: bbfan.cc:718
gfan::ZFan commonRefinement(gfan::ZFan zf, gfan::ZFan zg)
Definition: bbfan.cc:978
BOOLEAN removeCone(leftv res, leftv args)
Definition: bbfan.cc:519
BOOLEAN bbfan_serialize(blackbox *b, void *d, si_link f)
Definition: bbfan.cc:1074
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:126
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 978 of file bbfan.cc.

979 {
980  assume(zf.getAmbientDimension() == zg.getAmbientDimension());
981 
982  // gather all maximal cones of f and g
983  std::list<gfan::ZCone> maximalConesOfF;
984  for (int d=0; d<=zf.getAmbientDimension(); d++)
985  for (int i=0; i<zf.numberOfConesOfDimension(d,0,1); i++)
986  maximalConesOfF.push_back(zf.getCone(d,i,0,1));
987 
988  std::list<gfan::ZCone> maximalConesOfG;
989  for (int d=0; d<=zg.getAmbientDimension(); d++)
990  for (int i=0; i<zg.numberOfConesOfDimension(d,0,1); i++)
991  maximalConesOfG.push_back(zg.getCone(d,i,0,1));
992 
993  // construct a new fan out of their intersections
994  gfan::ZFan zr = gfan::ZFan(zf.getAmbientDimension());
995  for (std::list<gfan::ZCone>::iterator itf=maximalConesOfF.begin();
996  itf != maximalConesOfF.end(); itf++)
997  for (std::list<gfan::ZCone>::iterator itg=maximalConesOfG.begin();
998  itg != maximalConesOfG.end(); itg++)
999  zr.insert(intersection(*itf,*itg));
1000 
1001  return zr;
1002 }
#define assume(x)
Definition: mod2.h:394
int i
Definition: cfEzgcd.cc:123

◆ getAmbientDimension()

int getAmbientDimension ( gfan::ZFan *  zf)

Definition at line 247 of file bbfan.cc.

248 {
249  return zf->getAmbientDimension();
250 }

◆ getCodimension()

int getCodimension ( gfan::ZFan *  zf)

Definition at line 252 of file bbfan.cc.

253 {
254  return zf->getCodimension();
255 }

◆ getDimension()

int getDimension ( gfan::ZFan *  zf)

Definition at line 257 of file bbfan.cc.

258 {
259  return zf->getDimension();
260 }

◆ getLinealityDimension()

int getLinealityDimension ( gfan::ZFan *  zf)

Definition at line 262 of file bbfan.cc.

263 {
264  return zf->getLinealityDimension();
265 }

◆ isCompatible()

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

Definition at line 357 of file bbfan.cc.

358 {
359  bool b = (zf->getAmbientDimension() == zc->ambientDimension());
360  if(b)
361  {
362  for (int d=0; d<=zf->getAmbientDimension(); d++)
363  {
364  for (int i=0; i<zf->numberOfConesOfDimension(d,0,1); i++)
365  {
366  gfan::ZCone zd = zf->getCone(d,i,0,1);
367  gfan::ZCone zt = gfan::intersection(*zc,zd);
368  zt.canonicalize();
369  b = b && zd.hasFace(zt);
370  }
371  }
372  }
373  return b;
374 }
int i
Definition: cfEzgcd.cc:123
const poly b
Definition: syzextra.cc:213

◆ isSimplicial()

int isSimplicial ( gfan::ZFan *  zf)

Definition at line 712 of file bbfan.cc.

713 {
714  int i = zf->isSimplicial() ? 1 : 0;
715  return i;
716 }
int i
Definition: cfEzgcd.cc:123

◆ rays()

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

Definition at line 767 of file bbfan.cc.

768 {
769  gfan::ZMatrix rays(0,zf->getAmbientDimension());
770  for (int i=0; i<zf->numberOfConesOfDimension(1,0,0); i++)
771  {
772  gfan::ZCone zc = zf->getCone(1, i, 0, 0);
773  rays.append(zc.extremeRays());
774  }
775  return rays;
776 }
gfan::ZMatrix rays(const gfan::ZFan *const zf)
Definition: bbfan.cc:767
int i
Definition: cfEzgcd.cc:123

Variable Documentation

◆ fanID

int fanID

Definition at line 20 of file bbfan.cc.