Fix profile and average depth for freedives

[ext/subsurface.git] / dive.c

diff --git a/dive.c b/dive.c
index aee09d53a8b37796fc6f2fa0e448f92102be745e..54784cdbabfb01fbb5c5a8db539cdc481f20c613 100644 (file)
--- a/dive.c
+++ b/dive.c
@@ -478,11 +478,12 @@ struct dive *fixup_dive(struct dive *dive)
                int asc_desc_time = depth*60/9000;
                int duration = dive->duration.seconds;
 
-               /* Protect against insane dives - make mean be half of max */
-               if (duration <= asc_desc_time) {
+               /* Some sanity checks against insane dives */
+               if (duration < 2)
                        duration = 2;
-                       asc_desc_time = 1;
-               }
+               if (asc_desc_time * 2 >= duration)
+                       asc_desc_time = duration/2;
+
                dive->meandepth.mm = depth*(duration-asc_desc_time)/duration;
                return dive;
        }