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

void bbfan_setup ( SModulFunctions p)

Definition at line 1019 of file bbfan.cc.

1020 {
1021  blackbox *b=(blackbox*)omAlloc0(sizeof(blackbox));
1022  // all undefined entries will be set to default in setBlackboxStuff
1023  // the default Print is quite usefule,
1024  // all other are simply error messages
1025  b->blackbox_destroy=bbfan_destroy;
1026  b->blackbox_String=bbfan_String;
1027  //b->blackbox_Print=blackbox_default_Print;
1028  b->blackbox_Init=bbfan_Init;
1029  b->blackbox_Copy=bbfan_Copy;
1030  b->blackbox_Assign=bbfan_Assign;
1031  p->iiAddCproc("","emptyFan",FALSE,emptyFan);
1032  p->iiAddCproc("","fullFan",FALSE,fullFan);
1033  /* the following functions are implemented in bbcone.cc */
1034  // iiAddCproc("","containsInSupport",FALSE,containsInSupport);
1035  // iiAddCproc("","getAmbientDimension",FALSE,getAmbientDimension);
1036  // iiAddCproc("","getCodimension",FALSE,getDimension);
1037  // iiAddCproc("","getDimension",FALSE,getDimension);
1038  // iiAddCproc("","getLinealityDimension",FALSE,getLinealityDimension);
1039  // iiAddCproc("","isSimplicial",FALSE,isSimplicial);
1040  /********************************************************/
1041  p->iiAddCproc("","isCompatible",FALSE,isCompatible);
1042  p->iiAddCproc("","numberOfConesOfDimension",FALSE,numberOfConesOfDimension);
1043  p->iiAddCproc("","ncones",FALSE,ncones);
1044  p->iiAddCproc("","nmaxcones",FALSE,nmaxcones);
1045  p->iiAddCproc("","insertCone",FALSE,insertCone);
1046  p->iiAddCproc("","removeCone",FALSE,removeCone);
1047  p->iiAddCproc("","getCone",FALSE,getCone);
1048  p->iiAddCproc("","getCones",FALSE,getCones);
1049  p->iiAddCproc("","isPure",FALSE,isPure);
1050  p->iiAddCproc("","fanFromString",FALSE,fanFromString);
1051  p->iiAddCproc("","fanViaCones",FALSE,fanViaCones);
1052  p->iiAddCproc("","numberOfConesWithVector",FALSE,numberOfConesWithVector);
1053  // iiAddCproc("","isComplete",FALSE,isComplete); not working as expected, should leave this to polymake
1054  p->iiAddCproc("","fVector",FALSE,fVector);
1055  p->iiAddCproc("","containsInCollection",FALSE,containsInCollection);
1056  // p->iiAddCproc("","tropicalVariety",FALSE,tropicalVariety);
1057  p->iiAddCproc("","commonRefinement",FALSE,commonRefinement);
1058  // iiAddCproc("","grFan",FALSE,grFan);
1059  fanID=setBlackboxStuff(b,"fan");
1060  //Print("created type %d (fan)\n",fanID);
1061 }
char * bbfan_String(blackbox *, void *d)
Definition: bbfan.cc:34
#define FALSE
Definition: auxiliary.h:140
BOOLEAN numberOfConesOfDimension(leftv res, leftv args)
Definition: bbfan.cc:262
BOOLEAN nmaxcones(leftv res, leftv args)
Definition: bbfan.cc:326
bool isCompatible(const gfan::ZFan *zf, const gfan::ZCone *zc)
Definition: bbfan.cc:345
void * bbfan_Init(blackbox *)
Definition: bbfan.cc:20
BOOLEAN fullFan(leftv res, leftv args)
Definition: bbfan.cc:225
BOOLEAN bbfan_Assign(leftv l, leftv r)
Definition: bbfan.cc:68
BOOLEAN emptyFan(leftv res, leftv args)
Definition: bbfan.cc:173
BOOLEAN fanViaCones(leftv res, leftv args)
Definition: bbfan.cc:801
int fanID
Definition: bbfan.cc:18
void * bbfan_Copy(blackbox *, void *d)
Definition: bbfan.cc:61
BOOLEAN getCone(leftv res, leftv args)
Definition: bbfan.cc:535
BOOLEAN fanFromString(leftv res, leftv args)
Definition: bbfan.cc:785
BOOLEAN ncones(leftv res, leftv args)
Definition: bbfan.cc:306
int numberOfConesWithVector(gfan::ZFan *zf, gfan::ZVector *v)
Definition: bbfan.cc:740
BOOLEAN insertCone(leftv res, leftv args)
Definition: bbfan.cc:384
BOOLEAN fVector(leftv res, leftv args)
Definition: bbfan.cc:714
bool containsInCollection(gfan::ZFan *zf, gfan::ZCone *zc)
Definition: bbfan.cc:421
BOOLEAN getCones(leftv res, leftv args)
Definition: bbfan.cc:610
BOOLEAN isPure(leftv res, leftv args)
Definition: bbfan.cc:684
gfan::ZFan commonRefinement(gfan::ZFan zf, gfan::ZFan zg)
Definition: bbfan.cc:925
BOOLEAN removeCone(leftv res, leftv args)
Definition: bbfan.cc:499
int(* iiAddCproc)(const char *libname, const char *procname, BOOLEAN pstatic, BOOLEAN(*func)(leftv res, leftv v))
Definition: ipid.h:73
int setBlackboxStuff(blackbox *bb, const char *n)
define a new type
Definition: blackbox.cc:128
const poly b
Definition: syzextra.cc:213
void bbfan_destroy(blackbox *, void *d)
Definition: bbfan.cc:25
#define omAlloc0(size)
Definition: omAllocDecl.h:211
gfan::ZFan commonRefinement ( gfan::ZFan  zf,
gfan::ZFan  zg 
)

Definition at line 925 of file bbfan.cc.

926 {
927  assume(zf.getAmbientDimension() == zg.getAmbientDimension());
928 
929  // gather all maximal cones of f and g
930  std::list<gfan::ZCone> maximalConesOfF;
931  for (int d=0; d<=zf.getAmbientDimension(); d++)
932  for (int i=0; i<zf.numberOfConesOfDimension(d,0,1); i++)
933  maximalConesOfF.push_back(zf.getCone(d,i,0,1));
934 
935  std::list<gfan::ZCone> maximalConesOfG;
936  for (int d=0; d<=zg.getAmbientDimension(); d++)
937  for (int i=0; i<zg.numberOfConesOfDimension(d,0,1); i++)
938  maximalConesOfG.push_back(zg.getCone(d,i,0,1));
939 
940  // construct a new fan out of their intersections
941  gfan::ZFan zr = gfan::ZFan(zf.getAmbientDimension());
942  for (std::list<gfan::ZCone>::iterator itf=maximalConesOfF.begin();
943  itf != maximalConesOfF.end(); itf++)
944  for (std::list<gfan::ZCone>::iterator itg=maximalConesOfG.begin();
945  itg != maximalConesOfG.end(); itg++)
946  zr.insert(intersection(*itf,*itg));
947 
948  return zr;
949 }
#define assume(x)
Definition: mod2.h:405
int i
Definition: cfEzgcd.cc:123
int getAmbientDimension ( gfan::ZFan *  zf)

Definition at line 242 of file bbfan.cc.

243 {
244  return zf->getAmbientDimension();
245 }
int getCodimension ( gfan::ZFan *  zf)

Definition at line 247 of file bbfan.cc.

248 {
249  return zf->getCodimension();
250 }
int getDimension ( gfan::ZFan *  zf)

Definition at line 252 of file bbfan.cc.

253 {
254  return zf->getDimension();
255 }
int getLinealityDimension ( gfan::ZFan *  zf)

Definition at line 257 of file bbfan.cc.

258 {
259  return zf->getLinealityDimension();
260 }
bool isCompatible ( const gfan::ZFan *  zf,
const gfan::ZCone *  zc 
)

Definition at line 345 of file bbfan.cc.

346 {
347  bool b = (zf->getAmbientDimension() == zc->ambientDimension());
348  if(b)
349  {
350  for (int d=0; d<=zf->getAmbientDimension(); d++)
351  {
352  for (int i=0; i<zf->numberOfConesOfDimension(d,0,1); i++)
353  {
354  gfan::ZCone zd = zf->getCone(d,i,0,1);
355  gfan::ZCone zt = gfan::intersection(*zc,zd);
356  zt.canonicalize();
357  b = b && zd.hasFace(zt);
358  }
359  }
360  }
361  return b;
362 }
int i
Definition: cfEzgcd.cc:123
const poly b
Definition: syzextra.cc:213
int isSimplicial ( gfan::ZFan *  zf)

Definition at line 678 of file bbfan.cc.

679 {
680  int i = zf->isSimplicial() ? 1 : 0;
681  return i;
682 }
int i
Definition: cfEzgcd.cc:123
gfan::Matrix<gfan::Integer> rays ( const gfan::ZFan *const  zf)

Definition at line 729 of file bbfan.cc.

730 {
731  gfan::ZMatrix rays(0,zf->getAmbientDimension());
732  for (int i=0; i<zf->numberOfConesOfDimension(1,0,0); i++)
733  {
734  gfan::ZCone zc = zf->getCone(1, i, 0, 0);
735  rays.append(zc.extremeRays());
736  }
737  return rays;
738 }
gfan::ZMatrix rays(const gfan::ZFan *const zf)
Definition: bbfan.cc:729
int i
Definition: cfEzgcd.cc:123

Variable Documentation

int fanID

Definition at line 18 of file bbfan.cc.