compare()

int MonomialInfo::compare ( const_packed_monomial m, const_packed_monomial n ) const

inline

compare:

Definition at line 520 of file moninfo.hpp.

  {
    ncalls_compare++;
    const_packed_monomial m1 = m + 2;
    const_packed_monomial n1 = n + 2;
    for (int i = 0; i < mNumWeights; i++)
      {
        varpower_word cmp = *m1++ - *n1++;
        if (cmp > 0) return GT;
        if (cmp < 0) return LT;
      }
    if (mTieBreakerIsRevLex)
      {
        m1 = m + nslots;
        n1 = n + nslots;
        for (int i = nvars - 1; i >= 0; i--)
          {
            varpower_word cmp = *--m1 - *--n1;
            if (cmp < 0) return GT;
            if (cmp > 0) return LT;
          }
      } else {
          m1 = m + firstvar;
          n1 = n + firstvar;
          for (int i = 0; i < nvars; ++i)
            {
              varpower_word cmp = *m1++ - *n1++;
              if (cmp > 0) return GT;
              if (cmp < 0) return LT;
            }
    }
    
    monomial_word cmp = m[1] - n[1];
    if (cmp < 0) return LT;
    if (cmp > 0) return GT;
    return EQ;
  }

References EQ, firstvar, GT, LT, mNumWeights, mTieBreakerIsRevLex, ncalls_compare, nslots, and nvars.

Referenced by compareVerbose().