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Mikah Chapman
2021-12-14 00:28:25 -07:00
commit 68b10d413b
492 changed files with 80542 additions and 0 deletions
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26
pfc/primitives_part2.h Normal file
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#pragma once
namespace pfc {
template<typename t_list1, typename t_list2>
static bool guess_reorder_pattern(pfc::array_t<t_size> & out, const t_list1 & from, const t_list2 & to) {
typedef typename t_list1::t_item t_item;
const t_size count = from.get_size();
if (count != to.get_size()) return false;
out.set_size(count);
for(t_size walk = 0; walk < count; ++walk) out[walk] = walk;
//required output: to[n] = from[out[n]];
typedef pfc::chain_list_v2_t<t_size> t_queue;
pfc::map_t<t_item, t_queue > content;
for(t_size walk = 0; walk < count; ++walk) {
content.find_or_add(from[walk]).add_item(walk);
}
for(t_size walk = 0; walk < count; ++walk) {
t_queue * q = content.query_ptr(to[walk]);
if (q == NULL) return false;
if (q->get_count() == 0) return false;
out[walk] = *q->first();
q->remove(q->first());
}
return true;
}
}