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ProcessPrintFldNorms.cpp
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2 //
3 // File: ProcessPrintFldNorms.cpp
4 //
5 // For more information, please see: http://www.nektar.info/
6 //
7 // The MIT License
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9 // Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
10 // Department of Aeronautics, Imperial College London (UK), and Scientific
11 // Computing and Imaging Institute, University of Utah (USA).
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31 //
32 // Description: Prints the L2 and LInf norms of the field variables.
33 //
34 ////////////////////////////////////////////////////////////////////////////////
35 
36 #include <string>
37 #include <iostream>
38 using namespace std;
39 
40 #include "ProcessPrintFldNorms.h"
41 
44 
45 namespace Nektar
46 {
47 namespace Utilities
48 {
49 
50 ModuleKey ProcessPrintFldNorms::className =
52  ModuleKey(eProcessModule, "printfldnorms"),
53  ProcessPrintFldNorms::create,
54  "Print L2 and LInf norms to stdout.");
55 
56 ProcessPrintFldNorms::ProcessPrintFldNorms(FieldSharedPtr f)
57  : ProcessModule(f)
58 {
59 }
60 
62 {
63 }
64 
65 void ProcessPrintFldNorms::Process(po::variables_map &vm)
66 {
67  if (m_f->m_verbose)
68  {
69  if(m_f->m_comm->TreatAsRankZero())
70  {
71  cout << "ProcessPrintFldNorms: Printing norms..." << endl;
72  }
73  }
74 
75  // Evaluate norms and print
76  for(int j = 0; j < m_f->m_exp.size(); ++j)
77  {
78  m_f->m_exp[j]->BwdTrans(m_f->m_exp[j]->GetCoeffs(),
79  m_f->m_exp[j]->UpdatePhys());
80  NekDouble L2 = m_f->m_exp[j]->L2 (m_f->m_exp[j]->GetPhys());
81  NekDouble LInf = m_f->m_exp[j]->Linf(m_f->m_exp[j]->GetPhys());
82 
83  cout << "L 2 error (variable " << m_f->m_session->GetVariable(j)
84  << ") : " << L2 << endl;
85  cout << "L inf error (variable " << m_f->m_session->GetVariable(j)
86  << ") : " << LInf << endl;
87  }
88 }
89 
90 }
91 }
92 
93 
pair< ModuleType, string > ModuleKey
virtual void Process()=0
STL namespace.
FieldSharedPtr m_f
Field object.
double NekDouble
boost::shared_ptr< Field > FieldSharedPtr
Definition: Field.hpp:698
ModuleFactory & GetModuleFactory()
Abstract base class for processing modules.
tKey RegisterCreatorFunction(tKey idKey, CreatorFunction classCreator, tDescription pDesc="")
Register a class with the factory.
Definition: NekFactory.hpp:215