getBounds()

void SchreyerFrame::getBounds	(	int &	loDegree,
		int &	hiDegree,
		int &	length ) const

Definition at line 808 of file res-schreyer-frame.cpp.

{
  if (mFrame.mLevels.size() == 0 or mFrame.mLevels[0].mElements.size() == 0)
    {
      loDegree = 0;
      hiDegree = -1;
      length = 0;
      return;
    }
  length = 0;
  auto& lev0 = level(0);
  loDegree = hiDegree = static_cast<int>(lev0[0].mDegree);
  for (int lev = 0; lev < mFrame.mLevels.size(); lev++)
    {
      auto& myframe = level(lev);
      if (myframe.size() == 0) return;
      length = lev;
      for (auto p = myframe.begin(); p != myframe.end(); ++p)
        {
          int deg = p->mDegree;
          deg -= lev;  // slanted degree
          if (deg < loDegree) loDegree = deg;
          if (deg > hiDegree) hiDegree = deg;
        }
    }
  //  show();
}

References level(), mFrame, and p.

Referenced by computeFrame(), getBettiFrame(), setBettiDisplays(), and start_computation().