update from CHEASEgui

matlab/iround_os.m

 function  [is,sigi]=iround_os(sig,val)
 %
-% Given two arrays sig and val, for each element in val 
+% Given two arrays sig and val, for each element in val
 % returns the index and value of the nearest element in sig.
-% 
+%
 % sig and/or val can be non-monotonic (contrary to TCV iround which requires sig to be monotonic)
 %
 % Example:
@@ -11,7 +11,8 @@ function  [is,sigi]=iround_os(sig,val)
 %
 %
 %
-for j=1:length(val)
-  [s(j),is(j)]=min(abs(sig-val(j)));
+is = zeros(size(val));
+for j=1:numel(val)
+  [~,is(j)]=min(abs(sig-val(j)));
 end
 sigi=sig(is);