Index: trunk/Ohana/src/opihi/cmd.astro/fitplx_irls.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.astro/fitplx_irls.c	(revision 39225)
+++ trunk/Ohana/src/opihi/cmd.astro/fitplx_irls.c	(revision 39226)
@@ -498,4 +498,6 @@
   double Sum_Wx, Sum_Wy;
 
+  Sum_Wx = 0.0;
+  Sum_Wy = 0.0;
   ax = 0.0; ay = 0.0;
   bx = 0.0; by = 0.0;
Index: trunk/Ohana/src/opihi/cmd.astro/fitpm_irls.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.astro/fitpm_irls.c	(revision 39225)
+++ trunk/Ohana/src/opihi/cmd.astro/fitpm_irls.c	(revision 39226)
@@ -310,4 +310,6 @@
   double Sum_Wx, Sum_Wy;
   
+  Sum_Wx = 0.0;
+  Sum_Wy = 0.0;
   ax = 0.0; ay = 0.0;
   bx = 0.0; by = 0.0;