Method NonZeroPattern

fem/coefficient.cpp:2712–2722

  

  virtual void NonZeroPattern (const class ProxyUserData & ud,
                               FlatVector<AutoDiffDiff<1,NonZero>> values) const override
  {
    Vector<AutoDiffDiff<1,NonZero>> v1(DIM), v2(DIM);
    c1->NonZeroPattern (ud, v1);
    c2->NonZeroPattern (ud, v2);
    AutoDiffDiff<1,NonZero> sum(false);
    for (int i = 0; i < DIM; i++)
      sum += v1(i)*v2(i);
    values(0) = sum;
  }

  
  virtual void NonZeroPattern (const class ProxyUserData & ud,