Transpiled version (9634L) is out of date.
1 | static int random(int n, Random r default defaultRandomGenerator()) {
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2 | ret random(r, n); |
3 | } |
4 | |
5 | static long random(long n, Random r default defaultRandomGenerator()) {
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6 | ret random(r, n); |
7 | } |
8 | |
9 | static int random(Random r, int n) {
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10 | return n <= 0 ? 0 : getRandomizer(r).nextInt(n); |
11 | } |
12 | |
13 | static long random(Random r, long n) {
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14 | return n <= 0 ? 0 : getRandomizer(r).nextLong(n); |
15 | } |
16 | |
17 | static double random(double max) {
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18 | return random()*max; |
19 | } |
20 | |
21 | static double random() {
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22 | return defaultRandomGenerator().nextInt(100001)/100000.0; |
23 | } |
24 | |
25 | static double random(double min, double max) {
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26 | return min+random()*(max-min); |
27 | } |
28 | |
29 | // min <= value < max |
30 | static int random(int min, int max) {
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31 | return min+random(max-min); |
32 | } |
33 | |
34 | // min <= value < max |
35 | static long random(long min, long max) {
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36 | return min+random(max-min); |
37 | } |
38 | |
39 | static int random(int min, int max, Random r) {
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40 | ret random(r, min, max); |
41 | } |
42 | |
43 | static int random(Random r, int min, int max) {
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44 | return min+random(r, max-min); |
45 | } |
46 | |
47 | static <A> A random(L<A> l) {
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48 | ret oneOf(l); |
49 | } |
50 | |
51 | static <A> A random(Collection<A> c) {
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52 | if (c instanceof L) ret random((L<A>) c); |
53 | int i = random(l(c)); |
54 | ret collectionGet(c, i); |
55 | } |
56 | |
57 | ifclass IntRange |
58 | static int random(IntRange r) {
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59 | ret random(r.start, r.end); |
60 | } |
61 | endif |
62 | |
63 | ifclass DoubleRange |
64 | static double random(DoubleRange r) {
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65 | ret random(r.start, r.end); |
66 | } |
67 | endif |
68 | |
69 | ifclass TimestampRange |
70 | static Timestamp random(TimestampRange r) {
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71 | ret r == null ?: new Timestamp(random(r.startTime().unixDate(), |
72 | r.endTime().unixDate())); |
73 | } |
74 | endif |
75 | |
76 | static <A, B> Pair<A, B> random(Map<A, B> map) {
|
77 | ret entryToPair(random(entries(map))); |
78 | } |
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| Snippet ID: | #1002033 |
| Snippet name: | random - return random number between 0 and n-1, and other version |
| Eternal ID of this version: | #1002033/21 |
| Text MD5: | e9c9d217c6384a9e1a0b229f56fd2a60 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2022-11-15 15:04:54 |
| Source code size: | 1667 bytes / 78 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 1034 / 1959 |
| Version history: | 20 change(s) |
| Referenced in: | [show references] |