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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WQCKms.java @ 1999:02ce03329ef5

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Some optimizations during out() operation of FLYSArtifactCollection. flys-artifacts/trunk@3437 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 16 Dec 2011 11:47:57 +0000
parents 035c0095b427
children 5ff481ab24a1
rev   line source
402
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1 package de.intevation.flys.artifacts.model;
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2
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3 import gnu.trove.TDoubleArrayList;
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4
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6 /**
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7 * This class represents a pool of data triples that consists of 'W', 'Q' and
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8 * 'KM' data with corrected 'W' values computed by a BackJumpCorrector.
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9 *
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10 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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11 */
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12 public class WQCKms extends WQKms {
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13
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14 protected TDoubleArrayList cw;
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15
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16 public WQCKms() {
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17 }
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18
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19 public WQCKms(WQKms other, double [] cws) {
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20 this.w = other.w;
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21 this.q = other.q;
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22 this.kms = other.kms;
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23 this.cw = new TDoubleArrayList(cws);
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24 }
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25
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26
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27 public WQCKms(double[] kms, double[] qs, double[] ws, double[] cws) {
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28 super(kms, qs, ws);
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29
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30 this.cw = new TDoubleArrayList(cws);
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31 }
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32
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33 @Override
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34 public void removeNaNs() {
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35 removeNaNs(new TDoubleArrayList [] { w, q, cw, kms });
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36 }
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37
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38
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39 /**
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40 * Adds a new row to this data pool with corrected W.
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41 *
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42 * @param w a W.
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43 * @param q a Q.
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44 * @param kms a Kms.
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45 * @param cw The corrected W.
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46 */
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47 public void add(double w, double q, double kms, double cw) {
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48 add(w, q, kms);
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49 this.cw.add(cw);
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50 }
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51
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52
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53 /**
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54 * This method returns a 4dim array of W, Q,Kms and corrected W.
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55 *
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56 * @param idx The position of the triple.
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57 * @param dst destination array
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58 *
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59 * @return a 4dim array of [W, Q, Kms, CW] in dst.
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60 */
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61 @Override
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62 public double[] get(int idx, double[] dst) {
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63 dst = super.get(idx, dst);
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64
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65 if (dst.length < 4) {
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66 return dst;
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67 }
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68
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69 if (cw != null && cw.size() > idx) {
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70 dst[3] = cw.getQuick(idx);
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71 }
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72
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73 return dst;
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74 }
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75
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76 public double getC(int idx) {
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77 return cw.getQuick(idx);
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78 }
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81 /**
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82 * Returns the double array of corrected W values.
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83 *
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84 * @return the double array of corrected W values.
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85 */
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86 public double[] getCWs() {
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87 return cw.toNativeArray();
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88 }
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89 }
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90 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org