Method NonZeroPattern

fem/coefficient.cpp:2438–2447

virtual bool ElementwiseConstant () const override { return c1->ElementwiseConstant() && c2->ElementwiseConstant(); } */ virtual void NonZeroPattern (const class ProxyUserData & ud, FlatVector nonzero, FlatVector nonzero_deriv, FlatVector nonzero_dderiv) const override { Vector v1(dim1), v2(dim1), d1(dim1), d2(dim1), dd1(dim1), dd2(d

  }
  */
  virtual void NonZeroPattern (const class ProxyUserData & ud, FlatVector<AutoDiffDiff<1,NonZero>> values) const override
  {
    Vector<AutoDiffDiff<1,NonZero>> v1(dim1), v2(dim1);
    c1->NonZeroPattern (ud, v1);
    c2->NonZeroPattern (ud, v2);
    AutoDiffDiff<1,NonZero> sum(false);
    for (int i = 0; i < dim1; i++)
      sum += v1(i)*v2(i);
    values(0) = sum;
  }

  virtual void NonZeroPattern (const class ProxyUserData & ud,
                               FlatArray<FlatVector<AutoDiffDiff<1,NonZero>>> input,