# HG changeset patch
# User Nicolas Saunier <nico@confins.net>
# Date 1271102060 14400
# Node ID 911b52744cebeee1d8ceab7c8f2be21855a119eb
# Parent  571b11304ec9b3e5d5541771e56889d9e94217e5
added uniform delay function

diff -r 571b11304ec9 -r 911b52744ceb python/traffic_engineering.py
--- a/python/traffic_engineering.py	Mon Apr 12 13:40:05 2010 -0400
+++ b/python/traffic_engineering.py	Mon Apr 12 15:54:20 2010 -0400
@@ -108,3 +108,7 @@
     else:
         print 'Issue deceleration should be strictly positive'
         return None
+
+def uniformDelay(cycleLength, effectiveGreen, saturationDegree):
+    '''Computes the uniform delay'''
+    return 0.5*cycleLength*(1-float(effectiveGreen)/cycleLength)/(1-float(effectiveGreen*saturationDegree)/cycleLength)