X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altoslib%2FAltosState.java;h=e874a498b0ed066aa02387afcab22fd54fe88b92;hp=726c3041f4587edc5c3533a701e3d0a242f2f57d;hb=4de934c283a839fcbb246b36aa15362f3cf8629c;hpb=cfd8e4ebb3cb63937a71537095adb911d6211817

diff --git a/altoslib/AltosState.java b/altoslib/AltosState.java
index 726c3041..e874a498 100644
--- 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) {