Line | Hits | Source |
---|---|---|
1 | /* | |
2 | * Copyright (c) 2003, the JUNG Project and the Regents of the University | |
3 | * of California | |
4 | * All rights reserved. | |
5 | * | |
6 | * This software is open-source under the BSD license; see either | |
7 | * "license.txt" or | |
8 | * http://jung.sourceforge.net/license.txt for a description. | |
9 | */ | |
10 | package edu.uci.ics.jung.utils; | |
11 | ||
12 | import java.util.regex.Pattern; | |
13 | ||
14 | /** | |
15 | * Contains general-purpose utility functions. | |
16 | * | |
17 | * @author Scott White | |
18 | * @author Joshua O'Madadhain | |
19 | */ | |
20 | 0 | public class GeneralUtils { |
21 | private static final int K = 10; // M==1024 | |
22 | private static final int INT_SIZE = 32; | |
23 | private static final int KnuthsAValue = (int) 2654435769L; | |
24 | ||
25 | 72 | private static final Pattern IS_NUMERIC = Pattern.compile("\\d*\\.?\\d*"); |
26 | ||
27 | public static int hash(int value) | |
28 | { | |
29 | 8846359 | return (value * KnuthsAValue) >>> (INT_SIZE - K); |
30 | } | |
31 | ||
32 | public static boolean isNumeric(String s) | |
33 | { | |
34 | 0 | return s.length() > 0 && IS_NUMERIC.matcher(s).matches(); |
35 | } | |
36 | } |
this report was generated by version 1.0.5 of jcoverage. |
copyright © 2003, jcoverage ltd. all rights reserved. |