Satoshi Kataoka a9763f93d7 refactor distance cache
Change-Id: I21b54b356641a63d7be17fd34b9ede7a63ec738a
2013-01-15 19:45:49 +09:00
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2013-01-15 19:45:49 +09:00
2012-01-31 12:08:27 -08:00