/**
* Do the following pruning steps until nothing happens:
* power pp power pp power pp....
* Make sure you do them both at least once.
*/
void pp_and_power_prune(Sentence sent, Parse_Options opts)
{
power_prune(sent, opts);
pp_prune(sent, opts);
return;
// Not reached. We can actually gain a few percent of
// performance be skipping the loop below. Mostly, it just
// does a lot of work, and pretty much finds nothing.
// And so we skip it.
#ifdef ONLY_IF_YOU_THINK_THIS_IS_WORTH_IT
for (;;) {
if (pp_prune(sent, opts) == 0) break;
if (power_prune(sent, opts) == 0) break;
}
#endif
}
/**
* Prune useless disjuncts.
*/
void pp_and_power_prune(Sentence sent, Parse_Options opts)
{
power_table pt;
power_table_alloc(sent, &pt);
power_table_init(sent, &pt);
power_prune(sent, opts, &pt);
if (pp_prune(sent, opts) > 0)
power_prune(sent, opts, &pt);
/* No benefit for now to make additional pp_prune() & power_prune() -
* additional deletions are very rare and even then most of the
* times only one disjunct is deleted. */
power_table_delete(&pt);
return;
}
