Index: trunk/MagicSoft/Mars/msignal/MExtractFixedWindowSpline.cc
===================================================================
--- trunk/MagicSoft/Mars/msignal/MExtractFixedWindowSpline.cc	(revision 6187)
+++ trunk/MagicSoft/Mars/msignal/MExtractFixedWindowSpline.cc	(revision 6188)
@@ -230,7 +230,7 @@
   // 
   ptr++; // i++;
+  firstderiv++; 
   secondderiv++;
-  firstderiv++; 
- //
+  //
   // Check for saturation in all other slices
   //
@@ -353,4 +353,5 @@
       *secondderiv = *secondderiv * *(secondderiv+1) + *firstderiv;
       sum += 0.25* *secondderiv;
+      firstderiv--;
       secondderiv--;
       //      fHiGainSecondDeriv[k] = fHiGainSecondDeriv[k]*fHiGainSecondDeriv[k+1] + fHiGainFirstDeriv[k];
@@ -429,4 +430,5 @@
       *secondderiv = *secondderiv * *(secondderiv+1) + *firstderiv;
       sum += 0.25* *secondderiv;
+      firstderiv--;
       secondderiv--;
       //      fLoGainSecondDeriv[k] = fLoGainSecondDeriv[k]*fLoGainSecondDeriv[k+1] + fLoGainFirstDeriv[k];