From 3b49d165fdbc072149a2609abe465df3dda2dfb2 Mon Sep 17 00:00:00 2001
From: MarkRivers <rivers@cars.uchicago.edu>
Date: Sat, 21 Mar 2015 21:38:56 +0000
Subject: [PATCH] Fix bug with min and max positions

---
 motorApp/NewportSrc/XPSAxis.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/motorApp/NewportSrc/XPSAxis.cpp b/motorApp/NewportSrc/XPSAxis.cpp
index c6ed0d0f..ab48ecc1 100644
--- a/motorApp/NewportSrc/XPSAxis.cpp
+++ b/motorApp/NewportSrc/XPSAxis.cpp
@@ -949,6 +949,13 @@ asynStatus XPSAxis::setPositionCompare()
   minPosition = motorRecPositionToXPSPosition(minPosition);
   maxPosition = motorRecPositionToXPSPosition(maxPosition);
   stepSize = fabs(motorRecStepToXPSStep(stepSize));
+  
+  // Swap max and min positions if needed
+  if (minPosition > maxPosition) {
+    double temp=maxPosition;
+    maxPosition = minPosition;
+    minPosition = temp;
+  }
 
   // Disable the position compare so we can set parameters
   status = PositionerPositionCompareDisable(pollSocket_, positionerName_);