X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=dive.c;h=36ee8e78c496ce88c375edfd001eb9b64f6c43a8;hb=549708c6eaab2d0592c3e520e0debd82d64619b4;hp=3774ba80d037d77b9077a48e42fea16077cf50bc;hpb=e5b6bfc7ed03bb6649abcfbac79f06aafd235918;p=ext%2Fsubsurface.git

diff --git a/dive.c b/dive.c
index 3774ba8..36ee8e7 100644
--- a/dive.c
+++ b/dive.c
@@ -160,7 +160,7 @@ struct sample *prepare_sample(struct dive **divep)
 	return NULL;
 }
 
-void finish_sample(struct dive *dive, struct sample *sample)
+void finish_sample(struct dive *dive)
 {
 	dive->samples++;
 }
@@ -451,7 +451,12 @@ struct dive *fixup_dive(struct dive *dive)
 		}
 	}
 	if (end < 0)
+	{
+		/* Assume an ascent/descent rate of 9 m/min */
+		int asc_desc_time = dive->maxdepth.mm*60/9000;
+		dive->meandepth.mm = dive->maxdepth.mm*(dive->duration.seconds-asc_desc_time)/dive->duration.seconds;
 		return dive;
+	}
 
 	update_duration(&dive->duration, end - start);
 	if (start != end)
@@ -490,7 +495,7 @@ static struct dive *add_sample(struct sample *sample, int time, struct dive *div
 		return NULL;
 	*p = *sample;
 	p->time.seconds = time;
-	finish_sample(dive, p);
+	finish_sample(dive);
 	return dive;
 }