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| author | Anton Tananaev <anton.tananaev@gmail.com> | 2015-10-14 10:10:30 +1300 |
|---|---|---|
| committer | Anton Tananaev <anton.tananaev@gmail.com> | 2015-10-14 10:10:30 +1300 |
| commit | 26659e3631901a46e35a5c2ac89c698a52277b0a (patch) | |
| tree | e79af12bbeb18da1d879b11f066da96517bf9a4c /src/org/traccar/helper/DistanceCalculator.java | |
| parent | 398b705820109c1103d915a2fec81fcf70b032cf (diff) | |
| download | traccar-server-26659e3631901a46e35a5c2ac89c698a52277b0a.tar.gz traccar-server-26659e3631901a46e35a5c2ac89c698a52277b0a.tar.bz2 traccar-server-26659e3631901a46e35a5c2ac89c698a52277b0a.zip | |
Fix some check style issues
Diffstat (limited to 'src/org/traccar/helper/DistanceCalculator.java')
| -rw-r--r-- | src/org/traccar/helper/DistanceCalculator.java | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/org/traccar/helper/DistanceCalculator.java b/src/org/traccar/helper/DistanceCalculator.java index 7ba5044bc..d191a27af 100644 --- a/src/org/traccar/helper/DistanceCalculator.java +++ b/src/org/traccar/helper/DistanceCalculator.java @@ -15,7 +15,10 @@ */ package org.traccar.helper; -public class DistanceCalculator { +public final class DistanceCalculator { + + private DistanceCalculator() { + } private static final double EQUATORIAL_EARTH_RADIUS = 6378.1370; private static final double DEG_TO_RAD = Math.PI / 180; @@ -23,8 +26,8 @@ public class DistanceCalculator { public static double distance(double lat1, double lon1, double lat2, double lon2) { double dlong = (lon2 - lon1) * DEG_TO_RAD; double dlat = (lat2 - lat1) * DEG_TO_RAD; - double a = Math.pow(Math.sin(dlat / 2), 2) + - Math.cos(lat1 * DEG_TO_RAD) * Math.cos(lat2 * DEG_TO_RAD) * Math.pow(Math.sin(dlong / 2), 2); + double a = Math.pow(Math.sin(dlat / 2), 2) + + Math.cos(lat1 * DEG_TO_RAD) * Math.cos(lat2 * DEG_TO_RAD) * Math.pow(Math.sin(dlong / 2), 2); double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a)); double d = EQUATORIAL_EARTH_RADIUS * c; return d * 1000; |