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altoslib: Start integrated value at 0 by default
author
Keith Packard
<keithp@keithp.com>
Tue, 3 Sep 2013 23:41:12 +0000
(17:41 -0600)
committer
Keith Packard
<keithp@keithp.com>
Tue, 3 Sep 2013 23:41:12 +0000
(17:41 -0600)
Check for MISSING and start at zero in that case
Signed-off-by: Keith Packard <keithp@keithp.com>
altoslib/AltosState.java
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diff --git
a/altoslib/AltosState.java
b/altoslib/AltosState.java
index 726c3041f4587edc5c3533a701e3d0a242f2f57d..e874a498b0ed066aa02387afcab22fd54fe88b92 100644
(file)
--- a/
altoslib/AltosState.java
+++ b/
altoslib/AltosState.java
@@
-150,8
+150,12
@@
public class AltosState implements Cloneable {
void set_integral(AltosValue in) {
double change = in.integrate();
- if (change != AltosRecord.MISSING)
- set(prev_value + change, in.time());
+ if (change != AltosRecord.MISSING) {
+ double prev = prev_value;
+ if (prev == AltosRecord.MISSING)
+ prev = 0;
+ set(prev + change, in.time());
+ }
}
void copy(AltosValue old) {