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1 | sclass LCSortedPairIndex {
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2 | long[] pairs; |
3 | int[] index; |
4 | int ofs; // added to every result |
5 | |
6 | *(long[] pairs, int *ofs) {
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7 | this(pairs); |
8 | } |
9 | |
10 | *(long[] pairs) {
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11 | this(pairs, null); |
12 | } |
13 | |
14 | // primer is destroyed in the process |
15 | *(long[] *pairs, LCSortedPairIndex primer) {
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16 | int[] primerData = primer?.index; |
17 | if (primer != null) primer.pairs = null; |
18 | index = lc_sortedPairIndex(pairs, primerData); |
19 | } |
20 | |
21 | int get(long pair) {
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22 | int i = intArrayBinarySearchWithGeneralizedComparator(index, a -> {
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23 | int x = cmp(pairs[a], pair); |
24 | ifdef LCSortedPairIndex_debug |
25 | printVars_str(+a, val := pairs[a], +pair, +x); |
26 | endifdef |
27 | ret x; |
28 | }); |
29 | ret i >= 0 ? index[i]+ofs : -1; |
30 | } |
31 | } |
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| Snippet ID: | #1029420 |
| Snippet name: | LCSortedPairIndex (OK) |
| Eternal ID of this version: | #1029420/14 |
| Text MD5: | b88068fc3d0cd962ea56acd8ec9cf0df |
| Transpilation MD5: | f13330dbd57faf734abc704237a393c9 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2020-08-06 02:28:01 |
| Source code size: | 757 bytes / 31 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 208 / 502 |
| Version history: | 13 change(s) |
| Referenced in: | [show references] |