git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@4023 c06c8d41-db1a-0410-9941-cceddc491573
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int dist = _inside_circle(posx, posy, radius);
if (_inside_circle(posx, posy, radius))
if (dist != -1)