libStatGen Software 1
LongLongCounter.cpp
1/*
2 * Copyright (C) 2010 Regents of the University of Michigan
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18#include "LongLongCounter.h"
19
20LongCounter::LongCounter() : LongHash<int>()
21{
22 SetAllowDuplicateKeys(false);
23}
24
25void LongCounter::IncrementCount(long long key)
26{
27 unsigned int slot = Find(key);
28
29 if (slot == LH_NOTFOUND)
30 Add(key, 1);
31 else if (Object(slot) == -1)
32 Delete(slot);
33 else
34 Object(slot)++;
35}
36
37void LongCounter::DecrementCount(long long key)
38{
39 unsigned int slot = Find(key);
40
41 if (slot == LH_NOTFOUND)
42 Add(key, -1);
43 else if (Object(slot) == 1)
44 Delete(slot);
45 else
46 Object(slot)--;
47}
48
49int LongCounter::GetCount(long long key)
50{
51 unsigned int slot = Find(key);
52
53 if (slot == LH_NOTFOUND)
54 return 0;
55 else
56 return Object(slot)--;
57}
58
59