| 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. |