Changeset 8d2c11 in git


Ignore:
Timestamp:
Aug 15, 2012, 2:51:29 PM (10 years ago)
Author:
Martin Lee <martinlee84@…>
Branches:
(u'jengelh-datetime', 'ceac47cbc86fe4a15902392bdbb9bd2ae0ea02c6')(u'spielwiese', '96ce329119711a2b80858c8365abd29f8460bbfa')
Children:
8e452c99a50a0aeb91c8380f01737ee90a2a1559
Parents:
fcd296b05a4f13666514ab7df4a8227fe930b65f
git-author:
Martin Lee <martinlee84@web.de>2012-08-15 14:51:29+02:00
git-committer:
Martin Lee <martinlee84@web.de>2012-09-04 18:01:17+02:00
Message:
chg: added some helper functions
Location:
factory
Files:
2 edited

Legend:

Unmodified
Added
Removed
  • factory/facFqFactorizeUtil.cc

    rfcd296 r8d2c11  
    162162}
    163163
     164/// like getVars but including multiplicities
     165CanonicalForm myGetVars (const CanonicalForm& F)
     166{
     167  CanonicalForm result= 1;
     168  int deg;
     169  for (int i= 1; i <= F.level(); i++)
     170  {
     171    if ((deg= degree (F, i)) > 0)
     172      result *= power (Variable (i), deg);
     173  }
     174  return result;
     175}
    164176
     177int compareByNumberOfVars (const CFFactor& F, const CFFactor& G)
     178{
     179  return getNumVars (F.factor()) < getNumVars (G.factor());
     180}
     181
     182CFFList
     183sortCFFListByNumOfVars (CFFList& F)
     184{
     185    F.sort (compareByNumberOfVars);
     186    CFFList result= F;
     187    return result;
     188}
     189
     190
  • factory/facFqFactorizeUtil.h

    rfcd296 r8d2c11  
    127127                        );
    128128
     129/// sort CFFList by the number variables in a factor
     130CFFList sortCFFListByNumOfVars (CFFList & F ///< [in,out] a list of factors
     131                               );
     132
     133/// like getVars but each variable x occuring in @F is raised to x^degree (F,x)
     134CanonicalForm myGetVars (const CanonicalForm& F ///< [in] a polynomial
     135                        );
     136
    129137#endif
    130138/* FAC_FQ_FACTORIZE_UTIL_H */
Note: See TracChangeset for help on using the changeset viewer.