Angle can obviously be negative
commit8b73fb6404c69f5f0260ddf37fa1c525bcfdb18b
authormalc <av1474@comtv.ru>
Tue, 9 Aug 2011 15:20:27 +0000 (9 19:20 +0400)
committermalc <av1474@comtv.ru>
Tue, 9 Aug 2011 15:20:27 +0000 (9 19:20 +0400)
tree60ea462135b2df1c0f584adbba76c33c51e94925
parent28a0af38e4e910cb5f15f334acf2742facbe987f
Angle can obviously be negative

Thanks to Christian Neukirchen for report
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