diff toolboxes/FullBNT-1.0.7/KPMtools/mysetdiff.m @ 0:e9a9cd732c1e tip

first hg version after svn

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/FullBNT-1.0.7/KPMtools/mysetdiff.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,19 @@
+function C = mysetdiff(A,B)
+% MYSETDIFF Set difference of two sets of positive integers (much faster than built-in setdiff)
+% C = mysetdiff(A,B)
+% C = A \ B = { things in A that are not in B }
+%
+% Original by Kevin Murphy, modified by Leon Peshkin
+
+if isempty(A)
+    C = [];
+    return;
+elseif isempty(B)
+    C = A;
+    return; 
+else % both non-empty
+    bits = zeros(1, max(max(A), max(B)));
+    bits(A) = 1;
+    bits(B) = 0;
+    C = A(logical(bits(A)));
+end