From 4094a5bb2ce3b34c2707e35809f38a5212ec00b8 Mon Sep 17 00:00:00 2001
From: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
Date: Mon, 5 Feb 2007 12:42:32 +0100
Subject: [PATCH] handle correctly nanosecond input

---
 utils/grid.py | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/utils/grid.py b/utils/grid.py
index dd195848c..67cace8e8 100644
--- a/utils/grid.py
+++ b/utils/grid.py
@@ -26,9 +26,21 @@ class EventInt:
         self.at = at
         self.value = value
 def ranges_cmp(a, b):
-    return a.start - b.start
+    diff = a.start - b.start
+    if diff < 0:
+        return -1
+    elif diff > 0:
+        return +1
+    else:
+        return 0
 def events_cmp(a, b):
-    return a.at - b.at
+    diff = a.at - b.at
+    if diff < 0:
+        return -1
+    elif diff > 0:
+        return +1
+    else:
+        return 0
 class TimelineDataRange:
     def __init__(self, name = ''):
         self.name = name