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annotate flys-backend/src/main/java/de/intevation/flys/utils/EpsilonComparator.java @ 4741:f6d0ad25f1ee

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Merged
author Sascha L. Teichmann <teichmann@intevation.de>
date Wed, 02 Jan 2013 15:42:22 +0100
parents 94b39073f0f7
children
rev   line source
4735
94b39073f0f7 Moved EpsilonComparator to utils package becaus its not only useful for TIM parsing. Used EpsilonComparator in DA60 and DA66 case. Maybe TODO: Use in PRF, too.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4732
diff changeset
1 package de.intevation.flys.utils;
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7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
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7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
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3 import java.util.Comparator;
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
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7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
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5 public class EpsilonComparator implements Comparator<Double>
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
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6 {
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
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7 public static final double EPSILON = 1e-4;
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
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7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
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9 public static final EpsilonComparator CMP = new EpsilonComparator(EPSILON);
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
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7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
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11 private double epsilon;
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
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7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
13 public EpsilonComparator(double epsilon) {
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
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14 this.epsilon = epsilon;
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
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15 }
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
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16
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
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17 @Override
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
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18 public int compare(Double a, Double b) {
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
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19 double diff = a - b;
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
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20 if (diff < -epsilon) return -1;
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
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21 if (diff > epsilon) return +1;
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
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22 return 0;
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
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23 }
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
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24 }
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
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25 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org