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| author | Bdale Garbee <bdale@gag.com> | 2017-09-18 20:46:47 -0600 |
|---|---|---|
| committer | Bdale Garbee <bdale@gag.com> | 2017-09-18 20:46:47 -0600 |
| commit | 3ead5d54135003702f771191d2c53abb584d1695 (patch) | |
| tree | 03f812123642d41215fbc67ff6a308fb2906d77a /altoslib/AltosTimeSeries.java | |
| parent | b94d18396f050b61a5671b4239d2a3eb9b7a835c (diff) | |
| parent | 216ea6388a75c46891dc4687a2eb0c97dc63b136 (diff) | |
Merge branch 'branch-1.8' into debian
Diffstat (limited to 'altoslib/AltosTimeSeries.java')
| -rw-r--r-- | altoslib/AltosTimeSeries.java | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/altoslib/AltosTimeSeries.java b/altoslib/AltosTimeSeries.java index b3c432fc..9f3b4d80 100644 --- a/altoslib/AltosTimeSeries.java +++ b/altoslib/AltosTimeSeries.java @@ -151,11 +151,15 @@ public class AltosTimeSeries implements Iterable<AltosTimeValue>, Comparable<Alt } public AltosTimeValue first() { - return values.get(0); + if (values.size() > 0) + return values.get(0); + return null; } public AltosTimeValue last() { - return values.get(values.size() - 1); + if (values.size() > 0) + return values.get(values.size() - 1); + return null; } public double average() { |