Index: /issm/trunk-jpl/test/NightlyRun/test2011.m
===================================================================
--- /issm/trunk-jpl/test/NightlyRun/test2011.m	(revision 26846)
+++ /issm/trunk-jpl/test/NightlyRun/test2011.m	(revision 26847)
@@ -112,8 +112,7 @@
 bslc2=-sum(dHavg.*area)*md.materials.rho_ice/md.materials.rho_water/oceanarea;
 
-%need to round before subtraction because of differences in results at high 
-%precision under macOS versus Linux (print values of bslc and bslc2 to verify 
-%that the difference is negligible)
-bslc_diff=round(bslc2, 16)-round(bslc, 16);
+%need to change precision before subtraction because of differences in results 
+%at high precision under macOS versus Linux (print values of bslc and bslc2 to %verify that the difference is negligible)
+bslc_diff=single(bslc2)-single(bslc);
 
 %Fields and tolerances to track changes