--- DarthVader/TrackerLevel2/src/F77/tricircle.f	2007/08/28 13:25:49	1.3
+++ DarthVader/TrackerLevel2/src/F77/tricircle.f	2009/08/04 14:01:40	1.4
@@ -51,8 +51,8 @@
       integer ifail             !=-1 if singular matrix error, =0 if not singular
       integer jfail             !=0 if determinant can be evaluated, =-1 if determinat is probably too small, =+1 if too large
 
-      parameter (big=1.e4)      !just a number greater than C(npoints,3)
-      double precision xxc(big),zzc(big),rrr(big) !centres and radii to be averaged
+      parameter (ibig=1.e4)      !just a number greater than C(npoints,3)
+      double precision xxc(ibig),zzc(ibig),rrr(ibig) !centres and radii to be averaged
 
       double precision tmp1,tmp2,tmp(npoints)    !temp variables