libs/linprog/LinearSpec.cpp

64 SpecificationListener::VariableAdded(Variable* variable)
70 SpecificationListener::VariableRemoved(Variable* variable)
131  * Adds a new variable to the specification.
133  * @return the new variable
138 	Variable* variable = new(std::nothrow) Variable(this);
139 	if (!variable)
141 	if (!AddVariable(variable)) {
142 		delete variable;
146 	return variable;
151 LinearSpec::AddVariable(Variable* variable)
153 	if (variable->IsValid())
156 	if (!fVariables.AddItem(variable))
159 	if (variable->fLS == NULL)
160 		variable->fLS = this;
162 	if (!fSolver->VariableAdded(variable)) {
163 		fVariables.RemoveItem(variable);
166 	variable->fIsValid = true;
168 	if (!UpdateRange(variable)) {
169 		RemoveVariable(variable, false);
174 		fListeners.ItemAt(i)->VariableAdded(variable);
181 LinearSpec::RemoveVariable(Variable* variable, bool deleteVariable)
184 	if (fSolver->VariableRemoved(variable) == false)
187 	// do we know the variable?
188 	if (fVariables.RemoveItem(variable) == false)
190 	fUsedVariables.RemoveItem(variable);
191 	variable->fIsValid = false;
193 	// invalidate all constraints that use this variable
202 			if (summand->Var() == variable) {
212 		delete variable;
215 		fListeners.ItemAt(i)->VariableRemoved(variable);
222 LinearSpec::IndexOf(const Variable* variable) const
224 	return fUsedVariables.IndexOf(variable);
229 LinearSpec::GlobalIndexOf(const Variable* variable) const
231 	return fVariables.IndexOf(variable);
236 LinearSpec::UpdateRange(Variable* variable)
238 	if (!fSolver->VariableRangeChanged(variable))
407  * @param var1			the constraint's first variable
431  * @param var1			the constraint's first variable
433  * @param var2			the constraint's second variable
459  * @param var1			the constraint's first variable
461  * @param var2			the constraint's second variable
463  * @param var3			the constraint's third variable
490  * @param var1			the constraint's first variable
492  * @param var2			the constraint's second variable
494  * @param var3			the constraint's third variable
496  * @param var4			the constraint's fourth variable
680 		Variable* variable = fVariables.ItemAt(i);
681 		string += variable->ToString();
682 		string << "=" << (float)variable->Value() << " ";