Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/utils/DoubleUtil.java @ 4052:6d8c7a00e74e
Do cumentation.
| author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
|---|---|
| date | Mon, 08 Oct 2012 09:51:03 +0200 |
| parents | a5f65e8983be |
| children | 2b4f78ccfbaa |
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| 4051:58bdf95df5e4 | 4052:6d8c7a00e74e |
|---|---|
| 6 | 6 |
| 7 import java.util.Arrays; | 7 import java.util.Arrays; |
| 8 | 8 |
| 9 import org.apache.log4j.Logger; | 9 import org.apache.log4j.Logger; |
| 10 | 10 |
| 11 /** Utils to deal with Double precision values. */ | |
| 11 public class DoubleUtil | 12 public class DoubleUtil |
| 12 { | 13 { |
| 14 /** Private logger. */ | |
| 13 private static Logger log = Logger.getLogger(DoubleUtil.class); | 15 private static Logger log = Logger.getLogger(DoubleUtil.class); |
| 14 | 16 |
| 15 public static final double DEFAULT_STEP_PRECISION = 1e6; | 17 public static final double DEFAULT_STEP_PRECISION = 1e6; |
| 16 | 18 |
| 17 private DoubleUtil() { | 19 private DoubleUtil() { |
| 142 double [] result = new double[N]; | 144 double [] result = new double[N]; |
| 143 Arrays.fill(result, value); | 145 Arrays.fill(result, value); |
| 144 return result; | 146 return result; |
| 145 } | 147 } |
| 146 | 148 |
| 149 | |
| 150 /** Use with parseSegments. */ | |
| 147 public interface SegmentCallback { | 151 public interface SegmentCallback { |
| 148 void newSegment(double from, double to, double [] values); | 152 void newSegment(double from, double to, double [] values); |
| 149 } | 153 } |
| 150 | 154 |
| 155 | |
| 156 /** Call callback for every string split by colon. | |
| 157 * Expected format FROM:TO:VALUE1,VALUE2,VALUE3*/ | |
| 151 public static final void parseSegments( | 158 public static final void parseSegments( |
| 152 String input, | 159 String input, |
| 153 SegmentCallback callback | 160 SegmentCallback callback |
| 154 ) { | 161 ) { |
| 155 TDoubleArrayList vs = new TDoubleArrayList(); | 162 TDoubleArrayList vs = new TDoubleArrayList(); |