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EpetraExt_DiagonalQuadraticResponseOnlyModelEvaluator.cpp
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43 
45 #include "Teuchos_ScalarTraits.hpp"
46 #include "Epetra_SerialComm.h"
47 #include "Epetra_CrsMatrix.h"
48 
49 
50 namespace EpetraExt {
51 
52 
55  const Teuchos::RCP<Epetra_Comm> &comm,
56  const int localDim, const double &pt, const double &p0, const double &scale
57  )
58  :epetra_comm_(comm), scale_(scale)
59 {
60 
61  using Teuchos::rcp;
62 
63  const int ng = 1;
64 
65  map_p_ = rcp(new Epetra_Map(-1, localDim, 0, *epetra_comm_));
66  map_g_ = rcp(new Epetra_Map(ng, ng, 0, *epetra_comm_));
67 
68  pt_ = rcp(new Epetra_Vector(*map_p_));
69  pt_->PutScalar(pt);
70 
71  p0_ = rcp(new Epetra_Vector(*map_p_));
72  p0_->PutScalar(p0);
73 
74 }
75 
76 
77 // Overridden from EpetraExt::ModelEvaluator
78 
79 
82 {
83  return Teuchos::null;
84 }
85 
86 
89 {
90  return Teuchos::null;
91 }
92 
93 
96 {
98  return map_p_;
99 }
100 
101 
104 {
106  return map_g_;
107 }
108 
109 
112 {
114  return p0_;
115 }
116 
117 
120 {
121  InArgsSetup inArgs;
122  inArgs.setModelEvalDescription(this->description());
123  inArgs.set_Np(1);
124  return inArgs;
125 }
126 
127 
130 {
131  OutArgsSetup outArgs;
132  outArgs.setModelEvalDescription(this->description());
133  outArgs.set_Np_Ng(1, 1);
135  outArgs.set_DgDp_properties(
136  0, 0, DerivativeProperties(
139  true // supportsAdjoint
140  )
141  );
142  return outArgs;
143 }
144 
145 
147  const InArgs& inArgs, const OutArgs& outArgs
148  ) const
149 {
150 
151  using Teuchos::RCP;
152  using Teuchos::dyn_cast;
153  using Teuchos::rcp_dynamic_cast;
154 
155  //
156  // Get the input arguments
157  //
158 
159  const Epetra_Vector &p = *inArgs.get_p(0);
160 
161  //
162  // Get the output arguments
163  //
164 
165  const RCP<Epetra_Vector> g_out = outArgs.get_g(0);
166 
167  const RCP<Epetra_MultiVector> DgDp_trans_out =
168  get_DgDp_mv(0, 0,outArgs,DERIV_TRANS_MV_BY_ROW);
169 
170  //
171  // Compute the functions
172  //
173 
174  if (nonnull(g_out) || nonnull(DgDp_trans_out)) {
175 
176  Epetra_Vector p_minus_pt(*map_p_);
177 
178  p_minus_pt = p;
179  p_minus_pt.Update(-1.0, *pt_, 1.0);
180 
181  if (nonnull(g_out)) {
182  double dot[1];
183  p_minus_pt.Dot(p_minus_pt, dot);
184  (*g_out)[0] = scale_ * 0.5 * dot[0];
185  }
186 
187  if (nonnull(DgDp_trans_out)) {
188  (*DgDp_trans_out) = p_minus_pt;
189  DgDp_trans_out->Scale(scale_);
190  }
191 
192  }
193 
194 }
195 
196 
197 } // namespace EpetraExt
Evaluation< Epetra_Vector > get_g(int j) const
Get g(j) where 0 &lt;= j &amp;&amp; j &lt; this-&gt;Ng().
void setSupports(EOutArgsMembers arg, bool supports=true)
Teuchos::RCP< Epetra_MultiVector > get_DgDp_mv(const int j, const int l, const ModelEvaluator::OutArgs &outArgs, const ModelEvaluator::EDerivativeMultiVectorOrientation mvOrientation)
Teuchos::RCP< const Epetra_Vector > get_p(int l) const
void set_DgDp_properties(int j, int l, const DerivativeProperties &properties)
void setModelEvalDescription(const std::string &modelEvalDescription)
TEUCHOS_DEPRECATED RCP< T > rcp(T *p, Dealloc_T dealloc, bool owns_mem)
T_To & dyn_cast(T_From &from)
virtual std::string description() const
void setModelEvalDescription(const std::string &modelEvalDescription)
bool nonnull(const boost::shared_ptr< T > &p)
#define TEUCHOS_TEST_FOR_EXCEPT(throw_exception_test)