From 1f22ece3d91aca715051b83830adcfa644d54fbc Mon Sep 17 00:00:00 2001
From: Matteo Cypriani <matteo.cypriani@univ-fcomte.fr>
Date: Wed, 20 Jun 2012 18:36:30 +0200
Subject: [PATCH] [Positioner] PosUtil::is_in_interval(): bound == 0

PosUtil::is_in_interval() now handles a zero interval width. That is
required in case of standard deviation equals to zero.
---
 owlps-positioner/src/posutil.hh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/owlps-positioner/src/posutil.hh b/owlps-positioner/src/posutil.hh
index 26c7a62..f4554f7 100644
--- a/owlps-positioner/src/posutil.hh
+++ b/owlps-positioner/src/posutil.hh
@@ -74,6 +74,9 @@ public:
 inline bool PosUtil::
 is_in_interval(float center, float bound, float value)
 {
+  if (bound == 0)
+    return value == center ;
+
   assert(bound > 0) ;
   float interval_min = center - bound ;
   float interval_max = center + bound ;