Chaste  Release::3.4
CombinedOdeSystem.cpp
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36 
37 #include "CombinedOdeSystem.hpp"
38 #include "CombinedOdeSystemInformation.hpp"
39 
40 
41 
42 CombinedOdeSystem::CombinedOdeSystem(std::vector<AbstractOdeSystem*> odeSystems)
43  : AbstractOdeSystem(0) // will be set properly below
44 {
45  mOdeSystems = odeSystems;
46  for (unsigned i=0; i<odeSystems.size(); i++)
47  {
48  mNumberOfStateVariables += odeSystems[i]->GetNumberOfStateVariables();
49  }
52 
53  // Set up working memory
54  unsigned num_systems = odeSystems.size();
55  mWorkingStateVars.resize(num_systems);
56  mWorkingDerivs.resize(num_systems);
57  unsigned offset = 0;
58  for (unsigned i=0; i<num_systems; i++)
59  {
60  unsigned num_vars = odeSystems[i]->GetNumberOfStateVariables();
61  mWorkingStateVars[i].resize(num_vars);
62  mWorkingDerivs[i].resize(num_vars);
63  mOffsets.push_back(offset);
64  offset += num_vars;
65  }
66 }
67 
68 
70  const std::map<unsigned, unsigned>& rVariableParameterMap,
71  AbstractOdeSystem* pVariableOdeSystem,
72  AbstractOdeSystem* pParameterOdeSystem)
73 {
74  struct VariableParameterMap new_map;
75  new_map.theMap = rVariableParameterMap;
76  unsigned var_system_index = 0;
77  while (var_system_index < mOdeSystems.size() && mOdeSystems[var_system_index] != pVariableOdeSystem)
78  {
79  ++var_system_index;
80  }
81  new_map.pVariableOdeSystemIndex = var_system_index;
82  new_map.pParameterOdeSystem = pParameterOdeSystem;
83  mVariableParameterMaps.push_back(new_map);
84 }
85 
86 
88  double time,
89  const std::vector<double>& rY,
90  std::vector<double>& rDY)
91 {
92  // Copy rY to subsystems
93  for (unsigned i=0; i<mOdeSystems.size(); i++)
94  {
95  unsigned offset = mOffsets[i];
96  for (unsigned j=0; j<mOdeSystems[i]->GetNumberOfStateVariables(); j++)
97  {
98  mWorkingStateVars[i][j] = rY[offset + j];
99  }
100  }
101 
102  // Set parameter values
103  for (unsigned i=0; i<mVariableParameterMaps.size(); i++)
104  {
105  std::map<unsigned, unsigned>& r_var_param_map = mVariableParameterMaps[i].theMap;
106  // Iterate through map
107  for (std::map<unsigned, unsigned>::iterator iter = r_var_param_map.begin();
108  iter != r_var_param_map.end();
109  ++iter)
110  {
111  double value = mWorkingStateVars[mVariableParameterMaps[i].pVariableOdeSystemIndex][iter->first];
112  mVariableParameterMaps[i].pParameterOdeSystem->SetParameter(iter->second, value);
113  }
114  }
115 
116  // Call EvaluateYDerivatives on subsystems
117  for (unsigned i=0; i<mOdeSystems.size(); i++)
118  {
119  mOdeSystems[i]->EvaluateYDerivatives(time, mWorkingStateVars[i], mWorkingDerivs[i]);
120  }
121 
122  // Copy derivatives to rDY
123  for (unsigned i=0; i<mOdeSystems.size(); i++)
124  {
125  unsigned offset = mOffsets[i];
126  for (unsigned j=0; j<mOdeSystems[i]->GetNumberOfStateVariables(); j++)
127  {
128  rDY[offset + j] = mWorkingDerivs[i][j];
129  }
130  }
131 }
std::vector< AbstractOdeSystem * > mOdeSystems
void EvaluateYDerivatives(double time, const std::vector< double > &rY, std::vector< double > &rDY)
void Configure(const std::map< unsigned, unsigned > &rVariableParameterMap, AbstractOdeSystem *pVariableOdeSystem, AbstractOdeSystem *pParameterOdeSystem)
std::vector< unsigned > mOffsets
std::vector< std::vector< double > > mWorkingStateVars
std::vector< std::vector< double > > mWorkingDerivs
boost::shared_ptr< AbstractOdeSystemInformation > mpSystemInfo
std::map< unsigned, unsigned > theMap
static boost::shared_ptr< CombinedOdeSystemInformation > Instance(const std::vector< AbstractOdeSystem * > &rSubsystems)
std::vector< struct VariableParameterMap > mVariableParameterMaps
CombinedOdeSystem(std::vector< AbstractOdeSystem * > odeSystems)