// Constructor, intended for root node
Node::Node(ConstraintPtr constraints)
: constraints(constraints->clone(true)), // Deep copy
nodeId(getNextNodeId())
{
objLowerBound = -INF;
objUpperBound = INF;
solLowerBound = std::vector<double>(constraints->getNumVariables(), 0.0);
solUpperBound = std::vector<double>(constraints->getNumVariables(), 0.0);
depth = 0;
parentBranchingVariable = -1; // -1 for root node
auto bvars = findBranchingVariables(this->constraints);
// Initialize branching/pseudo costs
double cost = 1.0;
for (auto var : bvars)
{
if (var->getType() == VariableType::CONTINUOUS)
{
// Continuous
pCostsContinuous.emplace(getVariableIndex(var), cost);
}
else
{
// Integer
pCostsInteger.emplace(getVariableIndex(var), 1.0);
}
}
assert(bvars.size() == pCostsInteger.size() + pCostsContinuous.size());
}
// Copy constructor - constraints are cloned
Node::Node(const Node ©)
: constraints(copy.constraints->clone(true)), // Deep copy
nodeId(getNextNodeId()),
depth(copy.depth),
parentBranchingVariable(copy.parentBranchingVariable),
objLowerBound(copy.objLowerBound),
objUpperBound(copy.objUpperBound),
solLowerBound(copy.solLowerBound),
solUpperBound(copy.solUpperBound),
pCostsInteger(copy.pCostsInteger),
pCostsContinuous(copy.pCostsContinuous)
{
// Nothing to do here, all values set
}
/*
* Add a new node
*/
int Settings::addNode(Node type) {
TelldusCore::MutexLocker locker(&mutex);
int intNodeId = getNextNodeId(type);
FILE *fp = fopen(CONFIG_FILE, "we"); // e for setting O_CLOEXEC on the file handle
if (!fp) {
return TELLSTICK_ERROR_PERMISSION_DENIED;
}
cfg_print(d->cfg, fp); // Print the config-file
if (type == Device) {
fprintf(fp, "device {\n id=%d\n}\n", intNodeId); // Print the new device
} else if (type == Controller) {
fprintf(fp, "controller {\n id=%d\n}\n", intNodeId); // Print the new controller
}
fclose(fp);
// Re-read config-file
cfg_free(d->cfg);
readConfig(&d->cfg);
return intNodeId;
}
