Method NonZeroPattern

fem/coefficient.cpp:3131–3143

  */

  virtual void NonZeroPattern (const class ProxyUserData & ud,
                               FlatVector<AutoDiffDiff<1,NonZero>> values) const override
  {
    Vector<AutoDiffDiff<1,NonZero>> v1(dim1);
    c1->NonZeroPattern (ud, v1);

    AutoDiffDiff<1,NonZero> sum(false);
    for (int i = 0; i < dim1; i++)
      sum += v1(i);
    values(0).Value() = sum.Value();
    values(0).DValue(0) = sum.DValue(0);
    values(0).DDValue(0) = sum.DValue(0) || sum.DDValue(0);
  }

  
  virtual void NonZeroPattern (const class ProxyUserData & ud,