void
AdjacencyAnnotator::pruneChildEdges(Crag& crag) {
std::vector<Crag::CragEdge> siblingEdges;
for (Crag::CragEdge e : crag.edges())
if (isSiblingEdge(crag, e))
siblingEdges.push_back(e);
for (Crag::CragEdge e : siblingEdges)
crag.erase(e);
LOG_USER(adjacencyannotatorlog) << "pruned " << siblingEdges.size() << " child adjacency edges" << std::endl;
}
HammingLoss::HammingLoss(
const Crag& crag,
const BestEffort& bestEffort,
int balance) :
Loss(crag),
_balance((balance == 2 && optionBalanceHammingLoss) || (balance == 1)) {
constant = 0;
for (Crag::CragNode n : crag.nodes())
if (isBestEffort(n, crag, bestEffort)) {
if (_balance)
UTIL_ASSERT(crag.isLeafNode(n));;
node[n] = -1;
constant++;
} else {
if (!_balance || crag.isLeafNode(n))
node[n] = 1;
}
for (Crag::CragEdge e : crag.edges())
if (isBestEffort(e, crag, bestEffort)) {
if (_balance)
UTIL_ASSERT(crag.isLeafEdge(e));;
edge[e] = -1;
constant++;
} else {
if (!_balance || crag.isLeafEdge(e))
edge[e] = 1;
}
if (_balance)
propagateLeafLoss(crag);
}
void closed_set_solver() {
/**
* Subsets:
* n7
* / \
* / \
* / \
* n5 n6
* / \ / \
* n1 n2 n3 n4
*
* Adjacencies:
* n7
*
*
* d
* n5--------n6
* \ /
*
* e \ / f
*
* / \
* n1---n2----n3---n4
* a b c
*/
Crag crag;
Crag::CragNode n1 = crag.addNode();
Crag::CragNode n2 = crag.addNode();
Crag::CragNode n3 = crag.addNode();
Crag::CragNode n4 = crag.addNode();
Crag::CragNode n5 = crag.addNode();
Crag::CragNode n6 = crag.addNode();
Crag::CragNode n7 = crag.addNode();
crag.addSubsetArc(n1, n5);
crag.addSubsetArc(n2, n5);
crag.addSubsetArc(n3, n6);
crag.addSubsetArc(n4, n6);
crag.addSubsetArc(n5, n7);
crag.addSubsetArc(n6, n7);
Crag::CragEdge a = crag.addAdjacencyEdge(n1, n2);
Crag::CragEdge b = crag.addAdjacencyEdge(n2, n3);
Crag::CragEdge c = crag.addAdjacencyEdge(n3, n4);
Crag::CragEdge d = crag.addAdjacencyEdge(n5, n6);
Crag::CragEdge e = crag.addAdjacencyEdge(n5, n3);
Crag::CragEdge f = crag.addAdjacencyEdge(n2, n6);
ClosedSetSolver solver(crag);
CragSolution x(crag);
ClosedSetSolver::Status status;
{
Costs costs(crag);
costs.node[n7] = -1;
solver.setCosts(costs);
status = solver.solve(x);
BOOST_CHECK_EQUAL(status, ClosedSetSolver::SolutionFound);
// everything should be turned on
for (Crag::CragNode n : crag.nodes())
BOOST_CHECK(x.selected(n));
for (Crag::CragEdge e : crag.edges())
BOOST_CHECK(x.selected(e));
}
{
Costs costs(crag);
costs.node[n7] = 1;
costs.edge[d] = -1;
solver.setCosts(costs);
status = solver.solve(x);
BOOST_CHECK_EQUAL(status, ClosedSetSolver::SolutionFound);
// everything except n7 should be turned on
for (Crag::CragNode n : crag.nodes())
BOOST_CHECK(n != n7 ? x.selected(n) : !x.selected(n));
for (Crag::CragEdge e : crag.edges())
BOOST_CHECK(x.selected(e));
}
}
void crag_iterators() {
Crag crag;
int numNodes = 10;
for (int i = 0; i < numNodes; i++)
crag.addNode();
int numEdges = 0;
for (int i = 0; i < numNodes; i++)
for (int j = 0; j < numNodes; j++)
if (rand() > RAND_MAX/2) {
crag.addAdjacencyEdge(
crag.nodeFromId(i),
crag.nodeFromId(j));
numEdges++;
}
int numArcs = 0;
for (int i = 0; i < numNodes; i += 5) {
for (int j = i; j < i + 4; j++) {
crag.addSubsetArc(
crag.nodeFromId(j),
crag.nodeFromId(j+1));
numArcs++;
}
}
BOOST_CHECK_EQUAL(crag.nodes().size(), numNodes);
BOOST_CHECK_EQUAL(crag.edges().size(), numEdges);
BOOST_CHECK_EQUAL(crag.arcs().size(), numArcs);
numNodes = 0;
{
//UTIL_TIME_SCOPE("crag node old-school iterator");
//for (int j = 0; j < 1e8; j++)
for (Crag::CragNodeIterator i = crag.nodes().begin(); i != crag.nodes().end(); i++)
numNodes++;
}
{
//UTIL_TIME_SCOPE("crag node iterator");
//for (int j = 0; j < 1e8; j++)
for (Crag::CragNode n : crag.nodes()) {
dontWarnMeAboutUnusedVar(n);
numNodes++;
}
}
{
//UTIL_TIME_SCOPE("lemon node iterator");
//for (int j = 0; j < 1e8; j++)
for (Crag::NodeIt n(crag); n != lemon::INVALID; ++n)
numNodes -= 2;
}
BOOST_CHECK_EQUAL(numNodes, 0);
numEdges = 0;
for (Crag::CragEdge e : crag.edges()) {
dontWarnMeAboutUnusedVar(e);
numEdges++;
}
for (Crag::EdgeIt e(crag); e != lemon::INVALID; ++e)
numEdges--;
BOOST_CHECK_EQUAL(numEdges, 0);
numArcs = 0;
for (Crag::CragArc a : crag.arcs()) {
dontWarnMeAboutUnusedVar(a);
numArcs++;
}
for (Crag::SubsetArcIt a(crag); a != lemon::INVALID; ++a)
numArcs--;
BOOST_CHECK_EQUAL(numArcs, 0);
for (Crag::CragNode n : crag.nodes()) {
int numAdjEdges = 0;
for (Crag::IncEdgeIt e(crag, n); e != lemon::INVALID; ++e)
numAdjEdges++;
BOOST_CHECK_EQUAL(crag.adjEdges(n).size(), numAdjEdges);
for (Crag::CragEdge e : crag.adjEdges(n)) {
dontWarnMeAboutUnusedVar(e);
numAdjEdges--;
}
BOOST_CHECK_EQUAL(numAdjEdges, 0);
int numInArcs = 0;
for (Crag::SubsetInArcIt a(crag, crag.toSubset(n)); a != lemon::INVALID; ++a)
numInArcs++;
BOOST_CHECK_EQUAL(numInArcs, crag.inArcs(n).size());
for (Crag::CragArc a : crag.inArcs(n)) {
dontWarnMeAboutUnusedVar(a);
numInArcs--;
}
BOOST_CHECK_EQUAL(numInArcs, 0);
int numOutArcs = 0;
for (Crag::SubsetOutArcIt a(crag, crag.toSubset(n)); a != lemon::INVALID; ++a)
numOutArcs++;
BOOST_CHECK_EQUAL(numOutArcs, crag.outArcs(n).size());
for (Crag::CragArc a : crag.outArcs(n)) {
dontWarnMeAboutUnusedVar(a);
numOutArcs--;
}
BOOST_CHECK_EQUAL(numOutArcs, 0);
Crag::CragEdgeIterator cei = crag.edges().begin();
Crag::EdgeIt ei(crag);
while (ei != lemon::INVALID) {
BOOST_CHECK((Crag::RagType::Node)((*cei).u()) == crag.getAdjacencyGraph().u(ei));
BOOST_CHECK((Crag::RagType::Node)((*cei).v()) == crag.getAdjacencyGraph().v(ei));
++cei;
++ei;
}
Crag::CragArcIterator cai = crag.arcs().begin();
Crag::SubsetArcIt ai(crag);
while (ai != lemon::INVALID) {
BOOST_CHECK(crag.toSubset((*cai).source()) == crag.getSubsetGraph().source(ai));
BOOST_CHECK(crag.toSubset((*cai).target()) == crag.getSubsetGraph().target(ai));
++cai;
++ai;
}
}
}