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| author | Bdale Garbee <bdale@gag.com> | 2017-09-18 20:35:00 -0600 |
|---|---|---|
| committer | Bdale Garbee <bdale@gag.com> | 2017-09-18 20:35:00 -0600 |
| commit | b12e982259817328e348f1aaa91c5c824891e7b9 (patch) | |
| tree | 52ae2d2068fd637dd03938d592e8a7492e49ab9f /altoslib/AltosTimeSeries.java | |
| parent | b1cf0dab1e28433e06ab02cec033951ea0149ea3 (diff) | |
| parent | e87d56b665ca30a3e5920c23cd60c99b84341aa2 (diff) | |
Merge branch 'master' into branch-1.8
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() { |