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GurobiLpSolver: Fixed an issue when popping and pushing variables with the same name.

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Tim Quatmann 7 years ago
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adaba03648
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b86d022af1
1 changed files with 12 additions and 9 deletions
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  1. 21
      src/storm/solver/GurobiLpSolver.cpp

21
src/storm/solver/GurobiLpSolver.cpp
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@ -93,69 +93,72 @@ namespace storm {
template<typename ValueType>
storm::expressions::Variable GurobiLpSolver<ValueType>::addBoundedContinuousVariable(std::string const& name, ValueType lowerBound, ValueType upperBound, ValueType objectiveFunctionCoefficient) {
storm::expressions::Variable newVariable = this->manager->declareVariable(name, this->manager->getRationalType());
storm::expressions::Variable newVariable = this->manager->declareOrGetVariable(name, this->manager->getRationalType());
this->addVariable(newVariable, GRB_CONTINUOUS, lowerBound, upperBound, objectiveFunctionCoefficient);
return newVariable;
}
template<typename ValueType>
storm::expressions::Variable GurobiLpSolver<ValueType>::addLowerBoundedContinuousVariable(std::string const& name, ValueType lowerBound, ValueType objectiveFunctionCoefficient) {
storm::expressions::Variable newVariable = this->manager->declareVariable(name, this->manager->getRationalType());
storm::expressions::Variable newVariable = this->manager->declareOrGetVariable(name, this->manager->getRationalType());
this->addVariable(newVariable, GRB_CONTINUOUS, lowerBound, GRB_INFINITY, objectiveFunctionCoefficient);
return newVariable;
}
template<typename ValueType>
storm::expressions::Variable GurobiLpSolver<ValueType>::addUpperBoundedContinuousVariable(std::string const& name, ValueType upperBound, ValueType objectiveFunctionCoefficient) {
storm::expressions::Variable newVariable = this->manager->declareVariable(name, this->manager->getRationalType());
storm::expressions::Variable newVariable = this->manager->declareOrGetVariable(name, this->manager->getRationalType());
this->addVariable(newVariable, GRB_CONTINUOUS, -GRB_INFINITY, upperBound, objectiveFunctionCoefficient);
return newVariable;
}
template<typename ValueType>
storm::expressions::Variable GurobiLpSolver<ValueType>::addUnboundedContinuousVariable(std::string const& name, ValueType objectiveFunctionCoefficient) {
storm::expressions::Variable newVariable = this->manager->declareVariable(name, this->manager->getRationalType());
storm::expressions::Variable newVariable = this->manager->declareOrGetVariable(name, this->manager->getRationalType());
this->addVariable(newVariable, GRB_CONTINUOUS, -GRB_INFINITY, GRB_INFINITY, objectiveFunctionCoefficient);
return newVariable;
}
template<typename ValueType>
storm::expressions::Variable GurobiLpSolver<ValueType>::addBoundedIntegerVariable(std::string const& name, ValueType lowerBound, ValueType upperBound, ValueType objectiveFunctionCoefficient) {
storm::expressions::Variable newVariable = this->manager->declareVariable(name, this->manager->getIntegerType());
storm::expressions::Variable newVariable = this->manager->declareOrGetVariable(name, this->manager->getIntegerType());
this->addVariable(newVariable, GRB_INTEGER, lowerBound, upperBound, objectiveFunctionCoefficient);
return newVariable;
}
template<typename ValueType>
storm::expressions::Variable GurobiLpSolver<ValueType>::addLowerBoundedIntegerVariable(std::string const& name, ValueType lowerBound, ValueType objectiveFunctionCoefficient) {
storm::expressions::Variable newVariable = this->manager->declareVariable(name, this->manager->getIntegerType());
storm::expressions::Variable newVariable = this->manager->declareOrGetVariable(name, this->manager->getIntegerType());
this->addVariable(newVariable, GRB_INTEGER, lowerBound, GRB_INFINITY, objectiveFunctionCoefficient);
return newVariable;
}
template<typename ValueType>
storm::expressions::Variable GurobiLpSolver<ValueType>::addUpperBoundedIntegerVariable(std::string const& name, ValueType upperBound, ValueType objectiveFunctionCoefficient) {
storm::expressions::Variable newVariable = this->manager->declareVariable(name, this->manager->getIntegerType());
storm::expressions::Variable newVariable = this->manager->declareOrGetVariable(name, this->manager->getIntegerType());
this->addVariable(newVariable, GRB_INTEGER, -GRB_INFINITY, upperBound, objectiveFunctionCoefficient);
return newVariable;
}
template<typename ValueType>
storm::expressions::Variable GurobiLpSolver<ValueType>::addUnboundedIntegerVariable(std::string const& name, ValueType objectiveFunctionCoefficient) {
storm::expressions::Variable newVariable = this->manager->declareVariable(name, this->manager->getIntegerType());
storm::expressions::Variable newVariable = this->manager->declareOrGetVariable(name, this->manager->getIntegerType());
this->addVariable(newVariable, GRB_INTEGER, -GRB_INFINITY, GRB_INFINITY, objectiveFunctionCoefficient);
return newVariable;
}
template<typename ValueType>
storm::expressions::Variable GurobiLpSolver<ValueType>::addBinaryVariable(std::string const& name, ValueType objectiveFunctionCoefficient) {
storm::expressions::Variable newVariable = this->manager->declareVariable(name, this->manager->getIntegerType());
storm::expressions::Variable newVariable = this->manager->declareOrGetVariable(name, this->manager->getIntegerType());
this->addVariable(newVariable, GRB_BINARY, 0, 1, objectiveFunctionCoefficient);
return newVariable;
}
template<typename ValueType>
void GurobiLpSolver<ValueType>::addVariable(storm::expressions::Variable const& variable, char variableType, ValueType lowerBound, ValueType upperBound, ValueType objectiveFunctionCoefficient) {
// Assert whether the variable does not exist yet.
// Due to incremental usage (push(), pop()), a variable might be declared in the manager but not in the lp model.
STORM_LOG_ASSERT(variableToIndexMap.count(variable) == 0, "Variable " << variable << " exists already in the model.");
// Check for valid variable type.
STORM_LOG_ASSERT(variableType == GRB_CONTINUOUS || variableType == GRB_INTEGER || variableType == GRB_BINARY, "Illegal type '" << variableType << "' for Gurobi variable.");

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