from_expvector()

bool MonomialInfo::from_expvector ( const_ntuple_monomial e, long comp, packed_monomial result ) const

inline

Definition at line 191 of file moninfo.hpp.

  {
    // Pack the vector e[0]..e[nvars-1],comp.  Create the hash value at the same
    // time.
    ncalls_from_expvector++;
    result[0] = 0;
    result[1] = comp;
 
    for (int i = 0; i < nvars; i++)
      {
        result[firstvar + i] = e[i];
        if (e[i] > 0) result[0] += hashfcn[i] * e[i];
      }
 
    const int *wt = mWeightVectors.data();
    for (int j = 0; j < mNumWeights; j++, wt += nvars)
      {
        long val = 0;
        for (int i = 0; i < nvars; i++)
          {
            long a = e[i];
            if (a > 0) val += a * wt[i];
          }
        result[2 + j] = val;
      }
    return true;
  }

References firstvar, hashfcn, mNumWeights, mWeightVectors, ncalls_from_expvector, nvars, and result().

Referenced by F4toM2Interface::from_M2_vec().