--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/assertSize.m	Tue Jun 26 13:57:15 2018 +0200
@@ -0,0 +1,16 @@
+% Assert that array A has the size s.
+function assertSize(A,s)
+    errmsg = sprintf('Expected %s to have size %s, got: %s',inputname(1), format_vector(s), format_vector(size(A)));
+    assert(all(size(A) == s),errmsg);
+end
+
+function str = format_vector(a)
+    l = length(a);
+    str = sprintf('[%d',a(1));
+
+    for i = 2:l
+        str = [str sprintf(', %d',a(i))];
+    end
+
+    str = [str ']'];
+end