static inline int
row_costs_ (matrix_t *r, matrix_t *mayw, int row)
{
HREassert(
dm_ncols(r) == dm_ncols(mayw) &&
dm_nrows(r) == dm_nrows(mayw), "matrix sizes do not match");
int writes = 0;
int cost = 0;
for (int i = 0; i < dm_ncols(r); i++) {
if (dm_is_set(mayw, row, i)) writes++;
if (dm_is_set(r, row, i)) cost += writes;
}
cost += max(last_ (mayw, row), last_ (r, row)) - min(first_ (mayw, row), first_ (r, row)) + 1;
return cost;
}
const child_node& child_node_list::front() const
{
if (empty())
{
throw bad_dom_operation("front() called on an empty child_node_list");
}
else
{
return *first_();
}
}
void ClientHandler::BeginTracing() {
if (CefCurrentlyOn(TID_UI)) {
class Client : public CefTraceClient,
public CefRunFileDialogCallback {
public:
explicit Client(CefRefPtr<ClientHandler> handler)
: handler_(handler),
trace_data_("{\"traceEvents\":["),
first_(true) {
}
virtual void OnTraceDataCollected(const char* fragment,
size_t fragment_size) OVERRIDE {
if (first_)
first_ = false;
else
trace_data_.append(",");
trace_data_.append(fragment, fragment_size);
}
virtual void OnEndTracingComplete() OVERRIDE {
REQUIRE_UI_THREAD();
trace_data_.append("]}");
static const char kDefaultFileName[] = "trace.txt";
std::string path = handler_->GetDownloadPath(kDefaultFileName);
if (path.empty())
path = kDefaultFileName;
handler_->GetBrowser()->GetHost()->RunFileDialog(
FILE_DIALOG_SAVE, CefString(), path, std::vector<CefString>(),
this);
}
virtual void OnFileDialogDismissed(
CefRefPtr<CefBrowserHost> browser_host,
const std::vector<CefString>& file_paths) OVERRIDE {
if (!file_paths.empty())
handler_->Save(file_paths.front(), trace_data_);
}
private:
CefRefPtr<ClientHandler> handler_;
std::string trace_data_;
bool first_;
IMPLEMENT_REFCOUNTING(Callback);
};
const child_node& child_node_list::back() const
{
if (empty())
{
throw bad_dom_operation("back() called on an empty child_node_list");
}
else
{
basic_node_ptr<const child_node> last(first_());
while (last->next_sibling() != 0)
{
last = last->next_sibling();
}
return *last;
}
}
child_node_list::const_iterator child_node_list::begin() const
{
return const_iterator( first_() );
}
child_node_list::iterator child_node_list::begin()
{
return iterator( const_cast<child_node*>(first_()) );
}
bool child_node_list::empty() const
{
return (first_() == 0);
}
int
dm_optimize (matrix_t *r, matrix_t *mayw, matrix_t *mustw)
{
HREassert(
dm_ncols(r) == dm_ncols(mayw) &&
dm_nrows(r) == dm_nrows(mayw) &&
dm_ncols(r) == dm_ncols(mustw) &&
dm_nrows(r) == dm_nrows(mustw), "matrix sizes do not match");
matrix_t* test = RTmalloc(sizeof(matrix_t));
dm_create(test, dm_nrows(r), dm_ncols(r));
dm_copy(r, test);
dm_apply_or(test, mayw);
int d_rot[dm_ncols (r)];
permutation_group_t rot;
int best_i = 0,
best_j = 0,
min = cost_ (r, mayw),
last_min = 0;
int i, j, c, k, d;
int firsts[dm_nrows(r)];
int lasts[dm_nrows(r)];
while (last_min != min) {
last_min = min;
// initialize first and last integers per row
for (i=0; i<dm_nrows(r); i++) {
firsts[i] = first_(test,i);
lasts[i] = last_(test,i);
}
// find best rotation
for (i = 0; i < dm_ncols (r); i++) {
for (j = 0; j < dm_ncols (r); j++) {
if (i != j) {
c=estimate_cost(test,i,j,firsts,lasts);
if (c < min) {
min = c;
best_i = i;
best_j = j;
}
}
}
}
// rotate
if (best_i != best_j) {
d = best_i < best_j ? 1 : -1;
dm_create_permutation_group (&rot, dm_ncols (r), d_rot);
for (k = best_i; k != best_j; k += d)
dm_add_to_permutation_group (&rot, k);
dm_add_to_permutation_group (&rot, best_j);
dm_permute_cols (r, &rot);
dm_permute_cols (mayw, &rot);
dm_permute_cols (mustw, &rot);
dm_permute_cols (test, &rot);
dm_free_permutation_group (&rot);
DMDBG (printf("best rotation: %d-%d, costs %d\n", best_i, best_j, min));
DMDBG (dm_print_combined (stdout, r, mayw, mustw));
best_i = best_j = 0;
}
}
DMDBG (printf ("cost: %d ", cost_ (r, mayw)));
dm_free(test);
return 0;
}
