lcsim/src/org/lcsim/contrib/seedtracker

diff -u -r1.1 -r1.2
--- ConstrainHelix.java	4 Apr 2008 23:41:33 -0000	1.1
+++ ConstrainHelix.java	9 May 2008 01:14:35 -0000	1.2
@@ -35,21 +35,21 @@

         double curvmax = 0.0003 * _bfield / strategy.getMinPT();
         double curv = Math.abs(params[2]);
         if (curv > curvmax) {

-            nhchisq += Math.pow(curv - curvmax, 2) / helix.covariance().e(2, 2);

+            nhchisq += Math.pow(curv - curvmax, 2) / Math.abs(helix.covariance().e(2, 2));

         }
         
         //  Inflate chisq if |DCA| is too large
         double dcamax = strategy.getMaxDCA();
         double dca = Math.abs(params[0]);
         if (dca > dcamax) {

-            nhchisq += Math.pow(dca - dcamax, 2) / helix.covariance().e(0, 0);

+            nhchisq += Math.pow(dca - dcamax, 2) / Math.abs(helix.covariance().e(0, 0));

         }
         
         //  Inflate chisq if |z0| is too large
         double z0max = strategy.getMaxZ0();
         double z0 = Math.abs(params[3]);
         if (z0 > z0max) {

-            nhchisq += Math.pow(z0 - z0max, 2) / helix.covariance().e(3, 3);

+            nhchisq += Math.pow(z0 - z0max, 2) / Math.abs(helix.covariance().e(3, 3));

         }
 
         //  Set the non-holenomic chi squared term in the helix