Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/flowdepth/FlowDepthUtils.java @ 9382:8ae7137b67d7
Fixed: avoiding NaN exception in BigDecimal rounding
| author | mschaefer |
|---|---|
| date | Tue, 07 Aug 2018 14:06:49 +0200 |
| parents | b194fa64506a |
| children | 83e6acdf8fc6 |
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| 9381:a9e6b0a75bde | 9382:8ae7137b67d7 |
|---|---|
| 8 * documentation coming with Dive4Elements River for details. | 8 * documentation coming with Dive4Elements River for details. |
| 9 */ | 9 */ |
| 10 package org.dive4elements.river.artifacts.sinfo.flowdepth; | 10 package org.dive4elements.river.artifacts.sinfo.flowdepth; |
| 11 | 11 |
| 12 import org.dive4elements.river.artifacts.model.Calculation; | 12 import org.dive4elements.river.artifacts.model.Calculation; |
| 13 import org.dive4elements.river.utils.Formatter; | |
| 13 | 14 |
| 14 /** | 15 /** |
| 15 * @author Gernot Belger | 16 * @author Gernot Belger |
| 16 */ | 17 */ |
| 17 public final class FlowDepthUtils { | 18 public final class FlowDepthUtils { |
| 53 return 6; | 54 return 6; |
| 54 | 55 |
| 55 /* >= 1998 */ | 56 /* >= 1998 */ |
| 56 return 3; | 57 return 3; |
| 57 } | 58 } |
| 59 | |
| 60 /** | |
| 61 * Calculates a flow depth, rounded to the active scale | |
| 62 */ | |
| 63 public static double calcFlowDepth(final double wst, final double bedHeight) { | |
| 64 if (Double.isNaN(wst) || Double.isInfinite(wst) || Double.isNaN(bedHeight) || Double.isInfinite(bedHeight)) | |
| 65 return Math.max(wst - bedHeight, 0.0); | |
| 66 return Math.max(Formatter.roundFlowDepth(wst).subtract(Formatter.roundFlowDepth(bedHeight)).doubleValue(), 0.0); | |
| 67 } | |
| 58 } | 68 } |