Mercurial > hg > jslab
annotate src/samer/maths/random/Exponential.java @ 8:5e3cbbf173aa tip
Reorganise some more
author | samer |
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date | Fri, 05 Apr 2019 22:41:58 +0100 |
parents | bf79fb79ee13 |
children |
rev | line source |
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samer@0 | 1 /* |
samer@0 | 2 * Copyright (c) 2000, Samer Abdallah, King's College London. |
samer@0 | 3 * All rights reserved. |
samer@0 | 4 * |
samer@0 | 5 * This software is provided AS iS and WITHOUT ANY WARRANTY; |
samer@0 | 6 * without even the implied warranty of MERCHANTABILITY or |
samer@0 | 7 * FITNESS FOR A PARTICULAR PURPOSE. |
samer@0 | 8 */ |
samer@0 | 9 |
samer@0 | 10 package samer.maths.random; |
samer@0 | 11 |
samer@0 | 12 public class Exponential extends BaseRandom |
samer@0 | 13 { |
samer@0 | 14 public double next() |
samer@0 | 15 { |
samer@0 | 16 double x; |
samer@0 | 17 do { x=rnd.nextDouble(); } while (x==0.0); |
samer@0 | 18 return -Math.log(x); |
samer@0 | 19 } |
samer@0 | 20 public String toString() { return "Exponential"; } |
samer@0 | 21 } |