femeoctable.hh

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#ifndef DUNE_FEM_FEMEOCTABLE_HH
#define DUNE_FEM_FEMEOCTABLE_HH
 
#include <cassert>
#include <iostream>
#include <sstream>
#include <fstream>
#include <vector>
 
#include <dune/common/exceptions.hh>
#include <dune/common/fvector.hh>
 
#include <dune/fem/io/io.hh>
#include <dune/fem/io/parameter.hh>
#include <dune/fem/storage/singleton.hh>
 
namespace Dune
{
 
  namespace Fem
  {
 
    /*
    class BaseEocCalculator
    {
      public:
      static double calculate (double,double,double,double)=0;
    }
    */
 
    class DefaultEocCalculator
    {
      public:
      static double calculate (double &eold, double &enew, double &hold, double &hnew )
      {
        double ret=0;
        ret = log(eold/enew)/log(hold/hnew);
        return ret;
      }
    };
 
 
 
    class FemEocTable
    {
      int nrOfTabs_;
      std::vector< std::stringstream* > outputFile_;
      std::vector< std::string > fileNames_;
      std::vector< int > level_;
      std::vector< std::vector< double > > prevError_;
      std::vector< std::vector< double > > error_;
      std::vector< std::vector< std::string > > description_;
      std::vector< double > prevh_;
      std::vector< bool > initial_;
      std::vector< std::vector< int > > pos_;
 
    public:
      FemEocTable() :
        nrOfTabs_(0),
        outputFile_(),
        fileNames_(),
        level_(),
        prevError_(),
        error_(),
        description_(),
        prevh_(),
        initial_(),
        pos_()
      {
      }
 
      ~FemEocTable() {
        std::ofstream filewriter;
 
        for(size_t k=0;k<outputFile_.size();++k)
        {
          std::stringstream filename;
          filename << fileNames_[k] <<".dat";
          filewriter.open( filename.str().c_str() );
          filewriter <<  outputFile_[k]->str();
          filewriter.close();
          delete outputFile_[k];
          outputFile_[k] = 0;
        }
      }
 
    private:
      int init(const std::string& path,
               const std::string& name, const std::string& descript)
      {
        if (MPIManager::rank() != 0) return -1;
        if( !createDirectory( path ) )
          DUNE_THROW( IOError, "Failed to create path `" << path << "'." );
        return init(path+"/"+name,descript);
      }
 
      int init(const std::string& filename, const std::string& descript)
      {
        if (MPIManager::rank() != 0) return -1;
 
        outputFile_.push_back((std::stringstream *) 0);
 
        fileNames_.push_back("");
        level_.push_back(0);
        prevError_.push_back( std::vector< double >() );
        error_.push_back( std::vector< double >() );
        description_.push_back( std::vector< std::string >() );
        prevh_.push_back(0);
        initial_.push_back(1);
        pos_.push_back( std::vector< int >() );
 
        const int tabId = outputFile_.size() -1;
 
        fileNames_[tabId] = filename;
        outputFile_[tabId] = new std::stringstream;
 
        // write together with table the description
        // of the scheme and problem in the simulation
        *outputFile_[tabId] << descript << "\n";
        nrOfTabs_ ++;
 
        return tabId;
      }
 
      void checkTabId (const int tabId)
      {
        if (tabId > nrOfTabs_ || tabId <0)
        {
          std::cout<<"No table with id:"<<tabId<<" existing!"<<std::endl;
            abort();
        }
      }
 
      template <class StrVectorType>
      size_t addentry(const int tabId, const StrVectorType& descript,size_t size)
      {
        checkTabId(tabId);
 
        if (!initial_[tabId])
          abort();
        pos_[tabId].push_back(error_[tabId].size());
        for (size_t i=0;i<size;++i) {
          error_[tabId].push_back(0);
          prevError_[tabId].push_back(0);
          description_[tabId].push_back(descript[i]);
        }
        return pos_[tabId].size()-1;
      }
 
      size_t addentry(const int tabId, const std::string& descript) {
 
        checkTabId(tabId);
 
        if (!initial_[tabId])
          abort();
        pos_[tabId].push_back(error_[tabId].size());
        error_[tabId].push_back(0);
        prevError_[tabId].push_back(0);
        description_[tabId].push_back(descript);
        return pos_[tabId].size()-1;
      }
 
      template <class VectorType>
      void seterrors(const int tabId, size_t id,const VectorType& err,size_t size)
      {
        checkTabId(tabId);
 
        assert(id<pos_[tabId].size());
        int pos = pos_[tabId][ id ];
        assert(pos+size <= error_[tabId].size());
 
        for (size_t i=0; i<size; ++i)
          error_[tabId][pos+i] = err[i];
      }
 
      template <int SIZE>
      void seterrors(const int tabId, size_t id,const FieldVector<double,SIZE>& err)
      {
        seterrors(tabId,id,err,SIZE);
      }
 
      void seterrors(const int tabId, size_t id,const double& err) {
        checkTabId(tabId);
 
        int pos = pos_[tabId][id];
        error_[tabId][pos] = err;
      }
 
      template<class EocCalculator>
      void writeerr( const int tabId,
                     std::vector<double> &vals,
                     std::vector<std::string> &descriptions,
                     std::string &delimiter,
                     std::string &terminatingChar,
                     std::string &header,
                     std::string &tableSpacer,
                     std::string &footer)
 
      {
 
        typedef EocCalculator EocCalculatorType;
 
        checkTabId(tabId);
 
        assert(vals.size() == descriptions.size());
        if (MPIManager::rank() != 0) return;
 
        if (initial_[tabId]) {
          *outputFile_[tabId] << header;
          for(unsigned int k=0;k<descriptions.size();++k)
          {
           *outputFile_[tabId] <<  descriptions[k] << delimiter;
          }
          for (unsigned int i=0;i<error_[tabId].size();i++)
          {
            *outputFile_[tabId] <<  description_[tabId][i] <<  delimiter << "EOC" << delimiter;
          }
          *outputFile_[tabId] << terminatingChar << "\n" << tableSpacer <<"\n";
        }
 
        *outputFile_[tabId] << level_[tabId] << delimiter;
        for(unsigned int k =0; k<vals.size(); ++k)
          *outputFile_[tabId] << vals[k] << delimiter;
 
        for (unsigned int i=0;i<error_[tabId].size();++i) {
          *outputFile_[tabId] <<delimiter << error_[tabId][i] << delimiter;
          if (initial_[tabId]) {
            *outputFile_[tabId] << " --- ";
          }
          else {
           *outputFile_[tabId] <<  EocCalculatorType :: calculate(prevError_[tabId][i], error_[tabId][i], prevh_[tabId], vals[0] );
          }
          prevError_[tabId][i]=error_[tabId][i];
          error_[tabId][i] = -1;  // uninitialized
        }
        *outputFile_[tabId] << terminatingChar<<"\n" << footer;
 
        // the file
        outputFile_[tabId]->seekp(0,std::ios::end);
        int length = outputFile_[tabId]->tellp();
        length -= footer.length();
        outputFile_[tabId]->seekp(length, std::ios::beg);
 
 
        prevh_[tabId] = vals[0];
        level_[tabId] ++;
        initial_[tabId] = false;
      }
 
      template<class EocCalculator>
      void printerr(const int tabId,
                    std::vector<double> vals,
                    std::vector<std::string> descriptions,
                    std::ostream& out)
      {
        typedef EocCalculator EocCalculatorType;
 
        checkTabId(tabId);
 
        assert(descriptions.size() == vals.size());
 
        if (!Parameter::verbose()) return;
 
        out << "level:   " << level_[tabId]  << std::endl;
        for(unsigned int k =0 ;k< vals.size();++k)
          out << descriptions[k]<<":       " << vals[k] << std::endl;
 
        for (unsigned int i=0;i<error_[tabId].size();++i)
        {
 
          out << description_[tabId][i] << ":       " << error_[tabId][i] << std::endl;
          if (! initial_[tabId])
          {
            const double eoc = EocCalculatorType :: calculate( prevError_[tabId][i], error_[tabId][i],  prevh_[tabId], vals[0]);
 
            out << "EOC (" <<description_[tabId][i] << "): " << eoc << std::endl;
          }
          out << std::endl;
        }
      }
     public:
      friend class Dune::Fem::Singleton< FemEocTable >;
 
      static FemEocTable& instance()
      {
        return Singleton< FemEocTable >::instance();
      }
 
      static int initialize(const std::string& path, const std::string& name, const std::string& descript) {
        return instance().init(path,name,descript);
      }
      static int initialize(const std::string& name, const std::string& descript) {
        return instance().init(name,descript);
      }
 
      template <class StrVectorType>
      static size_t addEntry(const int tabId, const StrVectorType& descript,size_t size) {
        return instance().addentry(tabId,descript,size);
      }
 
      template <class StrVectorType>
      static size_t addEntry(const StrVectorType& descript,size_t size) {
        return instance().addentry(0,descript,size);
      }
 
      template <class StrVectorType>
      static size_t addEntry(const int tabId,const StrVectorType& descript) {
        return instance().addentry(tabId,descript,descript.size());
      }
 
      template <class StrVectorType>
      static size_t addEntry(const StrVectorType& descript) {
        return instance().addentry(0,descript,descript.size());
      }
      static size_t addEntry(const int tabId, const std::string& descript) {
        return instance().addentry(tabId, descript);
      }
 
      static size_t addEntry(const std::string& descript) {
        return instance().addentry(0, descript);
      }
 
      static size_t addEntry(const int tabId, const char* descript) {
        return addEntry(tabId,std::string(descript));
      }
 
      static size_t addEntry(const char* descript) {
        return addEntry(0,std::string(descript));
      }
 
 
      template <class VectorType>
      static void setErrors(const int tabId, size_t id,const VectorType& err,int size)
      {
        instance().seterrors(tabId,id,err,size);
      }
 
      template <class VectorType>
      static void setErrors(size_t id,const VectorType& err,int size)
      {
        instance().seterrors(0,id,err,size);
      }
 
 
      template <class VectorType>
      static void setErrors(const int tabId, size_t id,const VectorType& err) {
        instance().seterrors(tabId,id,err,err.size());
      }
 
      template <class VectorType>
      static void setErrors(size_t id,const VectorType& err) {
        instance().seterrors(0,id,err,err.size());
      }
 
 
      template <int SIZE>
      static void setErrors(const int tabId, size_t id,const FieldVector<double,SIZE>& err) {
        instance().seterrors(tabId,id,err);
      }
 
      template <int SIZE>
      static void setErrors(size_t id,const FieldVector<double,SIZE>& err) {
        instance().seterrors(0,id,err);
      }
      static void setErrors(const int tabId,size_t id,const double& err) {
        instance().seterrors(tabId,id,err);
      }
 
      static void setErrors(size_t id,const double& err) {
        instance().seterrors(0,id,err);
      }
 
      static void write(const int tabId,
                        std::vector<double> &vals,
                        std::vector<std::string> &descriptions,
                        std::string delimiter = " ",
                        std::string terminatingChar = "",
                        std::string header ="",
                        std::string tableSpacer ="",
                        std::string footer ="" )
      {
        instance().writeerr<DefaultEocCalculator> (tabId, vals, descriptions, delimiter, terminatingChar, header, tableSpacer, footer);
      }
 
      static void write(std::vector<double> &vals,
                        std::vector<std::string> &descriptions,
                        std::string delimiter = " ",
                        std::string terminatingChar ="",
                        std::string header ="",
                        std::string tableSpacer ="",
                        std::string footer =""
                        )
      {
        instance().writeerr<DefaultEocCalculator> (0, vals, descriptions, delimiter, terminatingChar, header, tableSpacer, footer);
      }
 
 
      template<class EocCalculatorType>
      static void write(const int tabId,
                        std::vector<double> &vals,
                        std::vector<std::string> &descriptions,
                        std::string delimiter = " ",
                        std::string terminatingChar ="",
                        std::string header ="",
                        std::string tableSpacer ="",
                        std::string footer =""
                        )
      {
        instance().template writeerr<EocCalculatorType>(tabId, vals, descriptions, delimiter, terminatingChar, header, tableSpacer, footer);
      }
 
      template<class EocCalculatorType>
      static void write(std::vector<double> &vals,
                        std::vector<std::string> &descriptions,
                        std::string delimiter = " ",
                        std::string terminatingChar ="",
                        std::string header ="",
                        std::string tableSpacer ="",
                        std::string footer =""
                        )
      {
        instance().template writeerr<EocCalculatorType>(0, vals, descriptions, delimiter, terminatingChar, header, tableSpacer, footer );
      }
 
      static void write(const int tabId,
                        std::vector<double> &vals,
                        std::vector<std::string> &descriptions,
                        std::ostream& out,
                        std::string delimiter = " ",
                        std::string terminatingChar ="",
                        std::string header = "",
                        std::string tableSpacer = "",
                        std::string footer = "")
      {
        // print last line to out
        instance().printerr<DefaultEocCalculator>( tabId, vals, descriptions, out );
 
        // now write to file
        instance().writeerr<DefaultEocCalculator>(tabId, vals, descriptions, delimiter, terminatingChar, header, tableSpacer, footer);
      }
 
      static void write(std::vector<double> &vals,
                        std::vector<std::string> &descriptions,
                        std::ostream& out,
                        std::string delimiter = " ",
                        std::string terminatingChar ="",
                        std::string header = "",
                        std::string tableSpacer = "",
                        std::string footer = "")
      {
        // print last line to out
        instance().printerr<DefaultEocCalculator>( 0, vals, descriptions, out );
 
        // now write to file
        instance().writeerr<DefaultEocCalculator>(0, vals, descriptions, delimiter, terminatingChar, header, tableSpacer, footer);
      }
 
 
      template <class EocCalculatorType>
      static void write(const int tabId,
                        std::vector<double> &vals,
                        std::vector<std::string> &descriptions,
                        std::ostream& out,
                        std::string delimiter = " ",
                        std::string terminatingChar ="",
                        std::string header = "",
                        std::string tableSpacer = "",
                        std::string footer = "")
      {
        // print last line to out
        instance().template printerr<EocCalculatorType>( tabId, vals, descriptions, out );
 
        // now write to file
        instance().template writeerr<EocCalculatorType>(tabId, vals, descriptions, delimiter, terminatingChar, header, tableSpacer, footer);
      }
 
      template <class EocCalculatorType>
      static void write(std::vector<double> &vals,
                        std::vector<std::string> &descriptions,
                        std::ostream& out,
                        std::string delimiter = " ",
                        std::string terminatingChar ="",
                        std::string header = "",
                        std::string tableSpacer = "",
                        std::string footer = "")
      {
        // print last line to out
        instance().template printerr<EocCalculatorType>(0, vals, descriptions, out );
 
        // now write to file
        instance().template writeerr<EocCalculatorType>(0, vals, descriptions,delimiter, terminatingChar, header, tableSpacer, footer);
      }
 
    }; // class FemEocTable
 
  } // namespace Fem
 
} // namespace Dune
 
#endif // #ifndef DUNE_FEM_FEMEOCTABLE_HH