Predicate Predicate::fromString(const QString &string, U2OpStatus &os) {
QStringList token = string.split("."); // var.value
if (2 != token.size()) {
os.setError(QObject::tr("Can not parse predicate from the string: %1").arg(string));
return Predicate();
}
return Predicate(Variable(token[0]), token[1]);
}
/**
*
* SeqScanPlan is serialized as:
* [(int) total size]
* [(int8_t) plan type]
* [(int) database_id]
* [(int) table_id]
* [(int) num column_id]
* [(int) column id...]
* [(int8_t) expr type] : if invalid, predicate is null
* [(bytes) predicate] : predicate is Expression
* [(int8_t) plan type] : if invalid, parent is null
* [(bytes) parent] : parent is also a plan
*
* So, the fixed size part is:
* [(int) total size] 4 +
* [(int8_t) plan type] 1 +
* [(int) database_id] 4 +
* [(int) table_id] 4 +
* [(int) num column_id]4 +
* [(int8_t) expr type] 1 +
* [(int8_t) plan type] 1 =
* the variant part is :
* [(int) column id...]: num column_id * 4
* [(bytes) predicate] : predicate->GetSerializeSize()
* [(bytes) parent] : parent->GetSerializeSize()
*/
int SeqScanPlan::SerializeSize() {
// Fixed size. see the detail above
int size_fix = sizeof(int) * 4 + 3;
int size_columnids = ColumnIds().size() * sizeof(int);
int size = size_fix + size_columnids;
if (Predicate()) {
size = size + Predicate()->SerializeSize();
}
if (Parent()) {
size = size + Parent()->SerializeSize();
}
return size;
}
Predicate EDBLayer::getDBPredicate(int idPredicate) {
if (!dbPredicates.count(idPredicate)) {
throw 10; //cannot happen
}
EDBInfoTable &info = dbPredicates.find(idPredicate)->second;
return Predicate(idPredicate, 0, EDB, info.arity);
}
void
nsXFormsXPathParser::FilterExpr()
{
PrimaryExpr();
if (PeekToken() == nsXFormsXPathScanner::LBRACK) {
Predicate();
}
}
void fill_if(I First, I Last, const T& Value, P Predicate)
{
while (First != Last)
{
if (Predicate(*First))
*First = Value;
++First;
}
}
xml_element_node_iterator (xml_node node, Predicate p = Predicate ())
: node (node), p (p)
{
xml_node end(0);
if(node != end
&& (node.node->type != XML_ELEMENT_NODE
|| !p (node)))
increment();
}
I fill_n_if(I First, N Size, const T& Value, P Predicate)
{
while (Size > 0)
{
if (Predicate(*First))
*First = Value;
++First;
--Size;
}
return First;
}
void CBiologicalDescription::setPredicate(const std::string & predicate)
{
CRDFPredicate Predicate(CRDFPredicate::getPredicateFromDisplayName(predicate));
if (Predicate == mTriplet.Predicate)
return;
// Add the edge with the new predicate without any object creation.
mTriplet.pSubject->addEdge(Predicate, mTriplet.pObject);
// Remove the edge with the predicate without destroying any objects.
mTriplet.pSubject->removeEdge(mTriplet.Predicate, mTriplet.pObject);
// Set the new predicate
mTriplet.Predicate = Predicate;
}
void
nsXFormsXPathParser::Step()
{
nsXFormsXPathScanner::XPATHTOKEN t = PeekToken();
switch (t) {
case nsXFormsXPathScanner::ANCESTOR:
case nsXFormsXPathScanner::ANCESTOR_OR_SELF:
case nsXFormsXPathScanner::ATTRIBUTE:
case nsXFormsXPathScanner::CHILD:
case nsXFormsXPathScanner::DESCENDANT:
case nsXFormsXPathScanner::DESCENDANT_OR_SELF:
case nsXFormsXPathScanner::FOLLOWING:
case nsXFormsXPathScanner::FOLLOWING_SIBLING:
case nsXFormsXPathScanner::NAMESPACE:
case nsXFormsXPathScanner::PARENT:
case nsXFormsXPathScanner::PRECEDING:
case nsXFormsXPathScanner::PRECEDING_SIBLING:
case nsXFormsXPathScanner::SELF:
case nsXFormsXPathScanner::AT:
AxisSpecifier();
break;
default:
break;
}
t = PeekToken();
switch (t) {
case nsXFormsXPathScanner::STAR:
case nsXFormsXPathScanner::NCNAME:
case nsXFormsXPathScanner::QNAME:
case nsXFormsXPathScanner::COMMENT:
case nsXFormsXPathScanner::TEXT:
case nsXFormsXPathScanner::PI:
case nsXFormsXPathScanner::NODE:
NodeTest();
break;
default:
XPathCompilerException("Expected a NodeTest expression", mScanner.Expression(), mScanner.Offset(), mScanner.Length());
}
t = PeekToken();
if (t == nsXFormsXPathScanner::LBRACK) {
Predicate(); // set the predicates
}
}
void Task::Run()
{
Container found;
for(Container::iterator i = scan_.begin(); i != scan_.end(); ++i)
{
try { FileSystem::ScanDirectory(*i, std::inserter(found, found.begin()), Predicate(), FileSystem::FOLLOW); }
catch(std::exception& e)
{
result_.errors.push_back(Error(PATH_ERROR, *i, e.what()));
}
}
Container inter;
std::set_intersection(found.begin(), found.end(), validate_.begin(), validate_.end(), std::inserter(inter, inter.begin()));
std::set_symmetric_difference(inter.begin(), inter.end(), validate_.begin(), validate_.end(), std::inserter(result_.removed, result_.removed.begin()));
std::set_symmetric_difference(inter.begin(), inter.end(), found.begin(), found.end(), std::inserter(result_.created, result_.created.begin()));
result_.found = found;
}
Solid::Predicate Solid::Predicate::fromString(const QString &predicate)
{
Solid::PredicateParse::ParsingData *data = new Solid::PredicateParse::ParsingData();
s_parsingData->setLocalData(data);
#if QT_VERSION < 0x050000
data->buffer = predicate.toAscii();
#else
data->buffer = predicate.toLatin1();
#endif
PredicateParse_mainParse(data->buffer.constData());
Predicate result;
if (data->result)
{
result = Predicate(*data->result);
delete data->result;
}
s_parsingData->setLocalData(nullptr);
return result;
}
void draw_entities(sf::RenderWindow & win, position tl_pos, level const & lvl)
{
auto should_draw_pred =
[&](entity const & e)
{ return in_window(tl_pos, e); };
for (auto & e : Predicate(should_draw_pred).filter(lvl.entity_list))
{
if (e.has<draw_list>()) {
for (std::pair<tile_id, position> const & drawp : *e.get<draw_list>())
{
if (not in_window(tl_pos, drawp.second)) continue;
draw_tile_at(
win, drawp.first
, position_in_window(tl_pos, drawp.second)
);
}
} else {
draw_entity_at(win, e, position_in_window(tl_pos, e));
}
}
}
bool add(const std::string& name, const PredicateFunction& function)
{
return m_lst.insert(Predicate(name, function)).second;
}
bool operator()(value_type const& value) const {
return Predicate()(value);
}
int main()
{
// check that it'll find nodes exactly MAX away
{
tree_type exact_dist(std::ptr_fun(tac));
triplet c0(5, 4, 0);
exact_dist.insert(c0);
triplet target(7,4,0);
std::pair<tree_type::const_iterator,double> found = exact_dist.find_nearest(target,2);
assert(found.first != exact_dist.end());
assert(found.second == 2);
std::cout << "Test find_nearest(), found at exact distance away from " << target << ", found " << *found.first << std::endl;
}
// do the same test, except use alternate_triplet as the search key
{
// NOTE: stores triplet, but we search with alternate_triplet
typedef KDTree::KDTree<3, triplet, alternate_tac> alt_tree;
triplet actual_target(7,0,0);
alt_tree tree;
tree.insert( triplet(0, 0, 7) );
tree.insert( triplet(0, 0, 7) );
tree.insert( triplet(0, 0, 7) );
tree.insert( triplet(3, 0, 0) );
tree.insert( actual_target );
tree.optimise();
alternate_triplet target( actual_target );
std::pair<alt_tree::const_iterator,double> found = tree.find_nearest(target);
assert(found.first != tree.end());
std::cout << "Test with alternate search type, found: " << *found.first << ", wanted " << actual_target << std::endl;
assert(found.second == 0);
assert(*found.first == actual_target);
}
{
tree_type exact_dist(std::ptr_fun(tac));
triplet c0(5, 2, 0);
exact_dist.insert(c0);
triplet target(7,4,0);
// call find_nearest without a range value - it found a compile error earlier.
std::pair<tree_type::const_iterator,double> found = exact_dist.find_nearest(target);
assert(found.first != exact_dist.end());
std::cout << "Test find_nearest(), found at exact distance away from " << target << ", found " << *found.first << " @ " << found.second << " should be " << std::sqrt(8) << std::endl;
assert(found.second == std::sqrt(8));
}
{
tree_type exact_dist(std::ptr_fun(tac));
triplet c0(5, 2, 0);
exact_dist.insert(c0);
triplet target(7,4,0);
std::pair<tree_type::const_iterator,double> found = exact_dist.find_nearest(target,std::sqrt(8));
assert(found.first != exact_dist.end());
std::cout << "Test find_nearest(), found at exact distance away from " << target << ", found " << *found.first << " @ " << found.second << " should be " << std::sqrt(8) << std::endl;
assert(found.second == std::sqrt(8));
}
tree_type src(std::ptr_fun(tac));
triplet c0(5, 4, 0); src.insert(c0);
triplet c1(4, 2, 1); src.insert(c1);
triplet c2(7, 6, 9); src.insert(c2);
triplet c3(2, 2, 1); src.insert(c3);
triplet c4(8, 0, 5); src.insert(c4);
triplet c5(5, 7, 0); src.insert(c5);
triplet c6(3, 3, 8); src.insert(c6);
triplet c7(9, 7, 3); src.insert(c7);
triplet c8(2, 2, 6); src.insert(c8);
triplet c9(2, 0, 6); src.insert(c9);
std::cout << src << std::endl;
src.erase(c0);
src.erase(c1);
src.erase(c3);
src.erase(c5);
src.optimise();
// test the efficient_replace_and_optimise()
tree_type eff_repl = src;
{
std::vector<triplet> vec;
// erased above as part of test vec.push_back(triplet(5, 4, 0));
// erased above as part of test vec.push_back(triplet(4, 2, 1));
vec.push_back(triplet(7, 6, 9));
// erased above as part of test vec.push_back(triplet(2, 2, 1));
vec.push_back(triplet(8, 0, 5));
// erased above as part of test vec.push_back(triplet(5, 7, 0));
vec.push_back(triplet(3, 3, 8));
vec.push_back(triplet(9, 7, 3));
vec.push_back(triplet(2, 2, 6));
vec.push_back(triplet(2, 0, 6));
eff_repl.clear();
eff_repl.efficient_replace_and_optimise(vec);
}
std::cout << std::endl << src << std::endl;
tree_type copied(src);
std::cout << copied << std::endl;
tree_type assigned;
assigned = src;
std::cout << assigned << std::endl;
for (int loop = 0; loop != 4; ++loop)
{
tree_type * target;
switch (loop)
{
case 0: std::cout << "Testing plain construction" << std::endl;
target = &src;
break;
case 1: std::cout << "Testing copy-construction" << std::endl;
target = &copied;
break;
case 2: std::cout << "Testing assign-construction" << std::endl;
target = &assigned;
break;
default:
case 4: std::cout << "Testing efficient-replace-and-optimise" << std::endl;
target = &eff_repl;
break;
}
tree_type & t = *target;
int i=0;
for (tree_type::const_iterator iter=t.begin(); iter!=t.end(); ++iter, ++i);
std::cout << "iterator walked through " << i << " nodes in total" << std::endl;
if (i!=6)
{
std::cerr << "Error: does not tally with the expected number of nodes (6)" << std::endl;
return 1;
}
i=0;
for (tree_type::const_reverse_iterator iter=t.rbegin(); iter!=t.rend(); ++iter, ++i);
std::cout << "reverse_iterator walked through " << i << " nodes in total" << std::endl;
if (i!=6)
{
std::cerr << "Error: does not tally with the expected number of nodes (6)" << std::endl;
return 1;
}
triplet s(5, 4, 3);
std::vector<triplet> v;
unsigned int const RANGE = 3;
size_t count = t.count_within_range(s, RANGE);
std::cout << "counted " << count
<< " nodes within range " << RANGE << " of " << s << ".\n";
t.find_within_range(s, RANGE, std::back_inserter(v));
std::cout << "found " << v.size() << " nodes within range " << RANGE
<< " of " << s << ":\n";
std::vector<triplet>::const_iterator ci = v.begin();
for (; ci != v.end(); ++ci)
std::cout << *ci << " ";
std::cout << "\n" << std::endl;
std::cout << std::endl << t << std::endl;
// search for all the nodes at exactly 0 dist away
for (tree_type::const_iterator target = t.begin(); target != t.end(); ++target)
{
std::pair<tree_type::const_iterator,double> found = t.find_nearest(*target,0);
assert(found.first != t.end());
assert(*found.first == *target);
std::cout << "Test find_nearest(), found at exact distance away from " << *target << ", found " << *found.first << std::endl;
}
{
const double small_dist = 0.0001;
std::pair<tree_type::const_iterator,double> notfound = t.find_nearest(s,small_dist);
std::cout << "Test find_nearest(), nearest to " << s << " within " << small_dist << " should not be found" << std::endl;
if (notfound.first != t.end())
{
std::cout << "ERROR found a node at dist " << notfound.second << " : " << *notfound.first << std::endl;
std::cout << "Actual distance = " << s.distance_to(*notfound.first) << std::endl;
}
assert(notfound.first == t.end());
}
{
std::pair<tree_type::const_iterator,double> nif = t.find_nearest_if(s,std::numeric_limits<double>::max(),Predicate());
std::cout << "Test find_nearest_if(), nearest to " << s << " @ " << nif.second << ": " << *nif.first << std::endl;
std::pair<tree_type::const_iterator,double> cantfind = t.find_nearest_if(s,std::numeric_limits<double>::max(),FalsePredicate());
std::cout << "Test find_nearest_if(), nearest to " << s << " should never be found (predicate too strong)" << std::endl;
assert(cantfind.first == t.end());
}
{
std::pair<tree_type::const_iterator,double> found = t.find_nearest(s,std::numeric_limits<double>::max());
std::cout << "Nearest to " << s << " @ " << found.second << " " << *found.first << std::endl;
std::cout << "Should be " << found.first->distance_to(s) << std::endl;
// NOTE: the assert does not check for an exact match, as it is not exact when -O2 or -O3 is
// switched on. Some sort of optimisation makes the math inexact.
assert( fabs(found.second - found.first->distance_to(s)) < std::numeric_limits<double>::epsilon() );
}
{
triplet s2(10, 10, 2);
std::pair<tree_type::const_iterator,double> found = t.find_nearest(s2,std::numeric_limits<double>::max());
std::cout << "Nearest to " << s2 << " @ " << found.second << " " << *found.first << std::endl;
std::cout << "Should be " << found.first->distance_to(s2) << std::endl;
// NOTE: the assert does not check for an exact match, as it is not exact when -O2 or -O3 is
// switched on. Some sort of optimisation makes the math inexact.
assert( fabs(found.second - found.first->distance_to(s2)) < std::numeric_limits<double>::epsilon() );
}
std::cout << std::endl;
std::cout << t << std::endl;
// Testing iterators
{
std::cout << "Testing iterators" << std::endl;
t.erase(c2);
t.erase(c4);
t.erase(c6);
t.erase(c7);
t.erase(c8);
// t.erase(c9);
std::cout << std::endl << t << std::endl;
std::cout << "Forward iterator test..." << std::endl;
std::vector<triplet> forwards;
for (tree_type::iterator i = t.begin(); i != t.end(); ++i)
{ std::cout << *i << " " << std::flush; forwards.push_back(*i); }
std::cout << std::endl;
std::cout << "Reverse iterator test..." << std::endl;
std::vector<triplet> backwards;
for (tree_type::reverse_iterator i = t.rbegin(); i != t.rend(); ++i)
{ std::cout << *i << " " << std::flush; backwards.push_back(*i); }
std::cout << std::endl;
std::reverse(backwards.begin(),backwards.end());
assert(backwards == forwards);
}
}
// Walter reported that the find_within_range() wasn't giving results that were within
// the specified range... this is the test.
{
tree_type tree(std::ptr_fun(tac));
tree.insert( triplet(28.771200,16.921600,-2.665970) );
tree.insert( triplet(28.553101,18.649700,-2.155560) );
tree.insert( triplet(28.107500,20.341400,-1.188940) );
tree.optimise();
std::deque< triplet > vectors;
triplet sv(18.892500,20.341400,-1.188940);
tree.find_within_range(sv, 10.0f, std::back_inserter(vectors));
std::cout << std::endl << "Test find_with_range( " << sv << ", 10.0f) found " << vectors.size() << " candidates." << std::endl;
// double-check the ranges
for (std::deque<triplet>::iterator v = vectors.begin(); v != vectors.end(); ++v)
{
double dist = sv.distance_to(*v);
std::cout << " " << *v << " dist=" << dist << std::endl;
if (dist > 10.0f)
std::cout << " This point is too far! But that is by design, its within a 'box' with a 'radius' of 10, not a sphere with a radius of 10" << std::endl;
// Not a valid test, it can be greater than 10 if the point is in the corners of the box.
// assert(dist <= 10.0f);
}
}
return 0;
}
int main(int, char**) {
std::not1(Predicate()); // expected-error{{'not1<Predicate>' is deprecated}}
return 0;
}
Predicate Predicate::False() {
return Predicate(FALSE);
}
Predicate Predicate::SelfConst() {
return Predicate(SELFCONST);
}
inline ValueType<Cont> maximum(Cont&& cont, Predicate&& pred = Predicate()) {
return *(std::max_element(std::begin(std::forward<Cont>(cont)),
std::end(std::forward<Cont>(cont)),
std::forward<Predicate>(pred)));
}
Predicate Predicate::True() {
return Predicate(TRUE);
}
inline void pair1_symmpred_nonself_find_if(const MultiPassInputIterator begin, const MultiPassInputIterator end) {
for (MultiPassInputIterator i = begin; i != end; ++i)
for (MultiPassInputIterator j = ++MultiPassInputIterator(i); j != end; ++j)
Predicate(*i, *j);
}
inline void pair2_find_if(InputIterator begin1, const InputIterator end1, const MultiPassInputIterator begin2, const MultiPassInputIterator end2) {
for (; begin1 != end1; ++begin1)
for (MultiPassInputIterator i = begin2; i != end2; ++i)
Predicate(*begin1, *i);
}
int main() {
std::unary_negate<Predicate> f((Predicate())); // expected-error{{'unary_negate<Predicate>' is deprecated}}
(void)f;
}
bool add(const std::string& name, const PredicateFunction& function,
const PredicateParameters& params)
{
return m_lst.insert(Predicate(name, function, params)).second;
}
int main()
{
// check that it'll find nodes exactly MAX away
{
tree_type exact_dist(std::ptr_fun(tac));
triplet c0(5, 4, 0);
exact_dist.insert(c0);
triplet target(7,4,0);
std::pair<tree_type::const_iterator,double> found = exact_dist.find_nearest(target,2);
assert(found.first != exact_dist.end());
assert(found.second == 2);
std::cout << "Test find_nearest(), found at exact distance away from " << target << ", found " << *found.first << std::endl;
}
{
tree_type exact_dist(std::ptr_fun(tac));
triplet c0(5, 2, 0);
exact_dist.insert(c0);
triplet target(7,4,0);
// call find_nearest without a range value - it found a compile error earlier.
std::pair<tree_type::const_iterator,double> found = exact_dist.find_nearest(target);
assert(found.first != exact_dist.end());
std::cout << "Test find_nearest(), found at exact distance away from " << target << ", found " << *found.first << " @ " << found.second << " should be " << sqrt(8) << std::endl;
assert(found.second == sqrt(8));
}
{
tree_type exact_dist(std::ptr_fun(tac));
triplet c0(5, 2, 0);
exact_dist.insert(c0);
triplet target(7,4,0);
std::pair<tree_type::const_iterator,double> found = exact_dist.find_nearest(target,sqrt(8));
assert(found.first != exact_dist.end());
std::cout << "Test find_nearest(), found at exact distance away from " << target << ", found " << *found.first << " @ " << found.second << " should be " << sqrt(8) << std::endl;
assert(found.second == sqrt(8));
}
tree_type src(std::ptr_fun(tac));
triplet c0(5, 4, 0); src.insert(c0);
triplet c1(4, 2, 1); src.insert(c1);
triplet c2(7, 6, 9); src.insert(c2);
triplet c3(2, 2, 1); src.insert(c3);
triplet c4(8, 0, 5); src.insert(c4);
triplet c5(5, 7, 0); src.insert(c5);
triplet c6(3, 3, 8); src.insert(c6);
triplet c7(9, 7, 3); src.insert(c7);
triplet c8(2, 2, 6); src.insert(c8);
triplet c9(2, 0, 6); src.insert(c9);
std::cout << src << std::endl;
src.erase(c0);
src.erase(c1);
src.erase(c3);
src.erase(c5);
src.optimise();
// test the efficient_replace_and_optimise()
tree_type eff_repl = src;
{
std::vector<triplet> vec;
// erased above as part of test vec.push_back(triplet(5, 4, 0));
// erased above as part of test vec.push_back(triplet(4, 2, 1));
vec.push_back(triplet(7, 6, 9));
// erased above as part of test vec.push_back(triplet(2, 2, 1));
vec.push_back(triplet(8, 0, 5));
// erased above as part of test vec.push_back(triplet(5, 7, 0));
vec.push_back(triplet(3, 3, 8));
vec.push_back(triplet(9, 7, 3));
vec.push_back(triplet(2, 2, 6));
vec.push_back(triplet(2, 0, 6));
eff_repl.clear();
eff_repl.efficient_replace_and_optimise(vec);
}
std::cout << std::endl << src << std::endl;
tree_type copied(src);
std::cout << copied << std::endl;
tree_type assigned;
assigned = src;
std::cout << assigned << std::endl;
for (int loop = 0; loop != 4; ++loop)
{
tree_type * target;
switch (loop)
{
case 0: std::cout << "Testing plain construction" << std::endl;
target = &src;
break;
case 1: std::cout << "Testing copy-construction" << std::endl;
target = &copied;
break;
case 2: std::cout << "Testing assign-construction" << std::endl;
target = &assigned;
break;
default:
case 4: std::cout << "Testing efficient-replace-and-optimise" << std::endl;
target = &eff_repl;
break;
}
tree_type & t = *target;
int i=0;
for (tree_type::const_iterator iter=t.begin(); iter!=t.end(); ++iter, ++i);
std::cout << "iterator walked through " << i << " nodes in total" << std::endl;
if (i!=6)
{
std::cerr << "Error: does not tally with the expected number of nodes (6)" << std::endl;
return 1;
}
i=0;
for (tree_type::const_reverse_iterator iter=t.rbegin(); iter!=t.rend(); ++iter, ++i);
std::cout << "reverse_iterator walked through " << i << " nodes in total" << std::endl;
if (i!=6)
{
std::cerr << "Error: does not tally with the expected number of nodes (6)" << std::endl;
return 1;
}
triplet s(5, 4, 3);
std::vector<triplet> v;
unsigned int const RANGE = 3;
size_t count = t.count_within_range(s, RANGE);
std::cout << "counted " << count
<< " nodes within range " << RANGE << " of " << s << ".\n";
t.find_within_range(s, RANGE, std::back_inserter(v));
std::cout << "found " << v.size() << " nodes within range " << RANGE
<< " of " << s << ":\n";
std::vector<triplet>::const_iterator ci = v.begin();
for (; ci != v.end(); ++ci)
std::cout << *ci << " ";
std::cout << "\n" << std::endl;
std::cout << std::endl << t << std::endl;
// search for all the nodes at exactly 0 dist away
for (tree_type::const_iterator target = t.begin(); target != t.end(); ++target)
{
std::pair<tree_type::const_iterator,double> found = t.find_nearest(*target,0);
assert(found.first != t.end());
assert(*found.first == *target);
std::cout << "Test find_nearest(), found at exact distance away from " << *target << ", found " << *found.first << std::endl;
}
{
const double small_dist = 0.0001;
std::pair<tree_type::const_iterator,double> notfound = t.find_nearest(s,small_dist);
std::cout << "Test find_nearest(), nearest to " << s << " within " << small_dist << " should not be found" << std::endl;
if (notfound.first != t.end())
{
std::cout << "ERROR found a node at dist " << notfound.second << " : " << *notfound.first << std::endl;
std::cout << "Actual distance = " << s.distance_to(*notfound.first) << std::endl;
}
assert(notfound.first == t.end());
}
{
std::pair<tree_type::const_iterator,double> nif = t.find_nearest_if(s,std::numeric_limits<double>::max(),Predicate());
std::cout << "Test find_nearest_if(), nearest to " << s << " @ " << nif.second << ": " << *nif.first << std::endl;
std::pair<tree_type::const_iterator,double> cantfind = t.find_nearest_if(s,std::numeric_limits<double>::max(),FalsePredicate());
std::cout << "Test find_nearest_if(), nearest to " << s << " should never be found (predicate too strong)" << std::endl;
assert(cantfind.first == t.end());
}
{
std::pair<tree_type::const_iterator,double> found = t.find_nearest(s,std::numeric_limits<double>::max());
std::cout << "Nearest to " << s << " @ " << found.second << " " << *found.first << std::endl;
std::cout << "Should be " << found.first->distance_to(s) << std::endl;
// NOTE: the assert does not check for an exact match, as it is not exact when -O2 or -O3 is
// switched on. Some sort of optimisation makes the math inexact.
assert( fabs(found.second - found.first->distance_to(s)) < std::numeric_limits<double>::epsilon() );
}
{
triplet s2(10, 10, 2);
std::pair<tree_type::const_iterator,double> found = t.find_nearest(s2,std::numeric_limits<double>::max());
std::cout << "Nearest to " << s2 << " @ " << found.second << " " << *found.first << std::endl;
std::cout << "Should be " << found.first->distance_to(s2) << std::endl;
// NOTE: the assert does not check for an exact match, as it is not exact when -O2 or -O3 is
// switched on. Some sort of optimisation makes the math inexact.
assert( fabs(found.second - found.first->distance_to(s2)) < std::numeric_limits<double>::epsilon() );
}
std::cout << std::endl;
std::cout << t << std::endl;
// Testing iterators
{
std::cout << "Testing iterators" << std::endl;
t.erase(c2);
t.erase(c4);
t.erase(c6);
t.erase(c7);
t.erase(c8);
// t.erase(c9);
std::cout << std::endl << t << std::endl;
std::cout << "Forward iterator test..." << std::endl;
std::vector<triplet> forwards;
for (tree_type::iterator i = t.begin(); i != t.end(); ++i)
{ std::cout << *i << " " << std::flush; forwards.push_back(*i); }
std::cout << std::endl;
std::cout << "Reverse iterator test..." << std::endl;
std::vector<triplet> backwards;
for (tree_type::reverse_iterator i = t.rbegin(); i != t.rend(); ++i)
{ std::cout << *i << " " << std::flush; backwards.push_back(*i); }
std::cout << std::endl;
std::reverse(backwards.begin(),backwards.end());
assert(backwards == forwards);
}
}
return 0;
}
