when stacking known on unknown, then we asume unknown was zero ...
authoroetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Thu, 21 Jul 2005 22:23:28 +0000 (22:23 +0000)
committeroetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Thu, 21 Jul 2005 22:23:28 +0000 (22:23 +0000)
commit32abc651a73d99b513dcf9dc47ed27a509a999c9
treeafa373152cff2ff07e9c7d9d648b010f75191204
parentede1e8d02a0dc6d70fdbd223bef6ad2d9a8bf2bf
when stacking known on unknown, then we asume unknown was zero ...

git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2/program@657 a5681a0c-68f1-0310-ab6d-d61299d08faa
src/rrd_graph.c