Chaste  Release::2018.1
CombinedOdeSystem.cpp
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36 
37 #include "CombinedOdeSystem.hpp"
38 #include "CombinedOdeSystemInformation.hpp"
39 
40 CombinedOdeSystem::CombinedOdeSystem(std::vector<AbstractOdeSystem*> odeSystems)
41  : AbstractOdeSystem(0) // will be set properly below
42 {
43  mOdeSystems = odeSystems;
44  for (unsigned i=0; i<odeSystems.size(); i++)
45  {
46  mNumberOfStateVariables += odeSystems[i]->GetNumberOfStateVariables();
47  }
50 
51  // Set up working memory
52  unsigned num_systems = odeSystems.size();
53  mWorkingStateVars.resize(num_systems);
54  mWorkingDerivs.resize(num_systems);
55  unsigned offset = 0;
56  for (unsigned i=0; i<num_systems; i++)
57  {
58  unsigned num_vars = odeSystems[i]->GetNumberOfStateVariables();
59  mWorkingStateVars[i].resize(num_vars);
60  mWorkingDerivs[i].resize(num_vars);
61  mOffsets.push_back(offset);
62  offset += num_vars;
63  }
64 }
65 
66 
68  const std::map<unsigned, unsigned>& rVariableParameterMap,
69  AbstractOdeSystem* pVariableOdeSystem,
70  AbstractOdeSystem* pParameterOdeSystem)
71 {
72  struct VariableParameterMap new_map;
73  new_map.theMap = rVariableParameterMap;
74  unsigned var_system_index = 0;
75  while (var_system_index < mOdeSystems.size() && mOdeSystems[var_system_index] != pVariableOdeSystem)
76  {
77  ++var_system_index;
78  }
79  new_map.pVariableOdeSystemIndex = var_system_index;
80  new_map.pParameterOdeSystem = pParameterOdeSystem;
81  mVariableParameterMaps.push_back(new_map);
82 }
83 
84 
86  double time,
87  const std::vector<double>& rY,
88  std::vector<double>& rDY)
89 {
90  // Copy rY to subsystems
91  for (unsigned i=0; i<mOdeSystems.size(); i++)
92  {
93  unsigned offset = mOffsets[i];
94  for (unsigned j=0; j<mOdeSystems[i]->GetNumberOfStateVariables(); j++)
95  {
96  mWorkingStateVars[i][j] = rY[offset + j];
97  }
98  }
99 
100  // Set parameter values
101  for (unsigned i=0; i<mVariableParameterMaps.size(); i++)
102  {
103  std::map<unsigned, unsigned>& r_var_param_map = mVariableParameterMaps[i].theMap;
104  // Iterate through map
105  for (std::map<unsigned, unsigned>::iterator iter = r_var_param_map.begin();
106  iter != r_var_param_map.end();
107  ++iter)
108  {
109  double value = mWorkingStateVars[mVariableParameterMaps[i].pVariableOdeSystemIndex][iter->first];
110  mVariableParameterMaps[i].pParameterOdeSystem->SetParameter(iter->second, value);
111  }
112  }
113 
114  // Call EvaluateYDerivatives on subsystems
115  for (unsigned i=0; i<mOdeSystems.size(); i++)
116  {
117  mOdeSystems[i]->EvaluateYDerivatives(time, mWorkingStateVars[i], mWorkingDerivs[i]);
118  }
119 
120  // Copy derivatives to rDY
121  for (unsigned i=0; i<mOdeSystems.size(); i++)
122  {
123  unsigned offset = mOffsets[i];
124  for (unsigned j=0; j<mOdeSystems[i]->GetNumberOfStateVariables(); j++)
125  {
126  rDY[offset + j] = mWorkingDerivs[i][j];
127  }
128  }
129 }
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)