Mercurial > hg > jslab
annotate src/samer/maths/opt/XFConvergence.java @ 8:5e3cbbf173aa tip
Reorganise some more
| author | samer |
|---|---|
| date | Fri, 05 Apr 2019 22:41:58 +0100 |
| parents | bf79fb79ee13 |
| children |
| rev | line source |
|---|---|
| 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.opt; |
| samer@0 | 11 import samer.maths.*; |
| samer@0 | 12 |
| samer@0 | 13 // this used to happen in QuasiNewton |
| samer@0 | 14 // after any step was taken (including during line searches) |
| samer@0 | 15 // of-course, S.h cannot change during a line search |
| samer@0 | 16 |
| samer@0 | 17 public class XFConvergence |
| samer@0 | 18 { |
| samer@0 | 19 double XTOL, FTOL; // various tolerances |
| samer@0 | 20 |
| samer@0 | 21 public void setXTolerance( double tolx) { XTOL=tolx; } |
| samer@0 | 22 public void setFTolerance( double tolf) { FTOL=tolf; } |
| samer@0 | 23 |
| samer@0 | 24 public boolean isSatisfied(State S) |
| samer@0 | 25 { |
| samer@0 | 26 return (Util.maxabs(S.h)<2*XTOL) && (Math.abs(S.P1.s)<2*FTOL); |
| samer@0 | 27 } |
| samer@0 | 28 } |