getBettiFrame()

M2_arrayint SchreyerFrame::getBettiFrame

(

)

const

Definition at line 988 of file res-schreyer-frame.cpp.

{
  int lo, hi, len;
  getBounds(lo, hi, len);
  //  std::cout << "bounds: lo=" << lo << " hi=" << hi << " len=" << len <<
  //  std::endl;
  BettiDisplay B(lo, hi, len);
  // now set B
 
  for (int lev = 0; lev <= len; lev++)
    {
      auto& myframe = level(lev);
      for (auto p = myframe.begin(); p != myframe.end(); ++p)
        {
          int deg = p->mDegree;  // this is actual degree, not slanted degree
          B.entry(deg - lev, lev)++;
        }
    }
 
  return B.getBetti();
}

References BettiDisplay::entry(), BettiDisplay::getBetti(), getBounds(), level(), and p.

Referenced by getBetti().