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In TripStatistics, return 0 for average speed and moving speed

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when the denominator is zero.

Use "1000.0" when getting a double by dividing by 1000.
This commit is contained in:
Jimmy Shih
2012-02-01 12:57:04 -08:00
parent 2acfef5d33
commit b4573fdc23
8 changed files with 20 additions and 14 deletions
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MyTracksLib/src/com/google/android/apps/mytracks/stats/TripStatistics.java
+10 -4
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@@ -32,13 +32,13 @@ public class TripStatistics implements Parcelable {
* The start time for the trip. This is system time which might not match gps
* time.
*/
private long startTime = -1;
private long startTime = -1L;
/**
* The stop time for the trip. This is the system time which might not match
* gps time.
*/
private long stopTime = -1;
private long stopTime = -1L;
/**
* The total time that we believe the user was traveling in milliseconds.
@@ -191,7 +191,10 @@ public class TripStatistics implements Parcelable {
* @return The average speed in m/s
*/
public double getAverageSpeed() {
return totalDistance / ((double) totalTime / 1000);
if (totalTime == 0L) {
return 0.0;
}
return totalDistance / ((double) totalTime / 1000.0);
}
/**
@@ -201,7 +204,10 @@ public class TripStatistics implements Parcelable {
* @return The average moving speed in m/s
*/
public double getAverageMovingSpeed() {
return totalDistance / ((double) movingTime / 1000);
if (movingTime == 0L) {
return 0.0;
}
return totalDistance / ((double) movingTime / 1000.0);
}
/**