added using std::abs
added using std::abs

timoMa/vigra,timoMa/vigra,funkey/vigra,kod3r/vigra,dagophil/vigra,xiwei-zhang/vigra,xiwei-zhang/vigra,funkey/vigra,cha007/vigra,kod3r/vigra,cha007/vigra,dstoe/vigra,xiwei-zhang/vigra,cha007/vigra,mmuellner/vigra,dstoe/vigra,ThomasWalter/vigra,cbecker/vigra,ThomasWalter/vigra,kod3r/vigra,capturePointer/vigra,ThomasWalter/vigra,timoMa/vigra,capturePointer/vigra,hmeine/vigra,DaveRichmond-/vigra,dagophil/vigra,cha007/vigra,martinsch/vigra,hmeine/vigra,dagophil/vigra,psteinb/vigra,stuarteberg/vigra,kod3r/vigra,cha007/vigra,DaveRichmond-/vigra,funkey/vigra,DaveRichmond-/vigra,cbecker/vigra,martinsch/vigra,ThomasWalter/vigra,mmuellner/vigra,mmuellner/vigra,stuarteberg/vigra,DaveRichmond-/vigra,hmeine/vigra,psteinb/vigra,mmuellner/vigra,ThomasWalter/vigra,cha007/vigra,stuarteberg/vigra,martinsch/vigra,timoMa/vigra,capturePointer/vigra,psteinb/vigra,DaveRichmond-/vigra,dagophil/vigra,funkey/vigra,capturePointer/vigra,dagophil/vigra,capturePointer/vigra,dstoe/vigra,psteinb/vigra,cbecker/vigra,martinsch/vigra,hmeine/vigra,dstoe/vigra,ThomasWalter/vigra,capturePointer/vigra,dagophil/vigra,cha007/vigra,mmuellner/vigra,psteinb/vigra,stuarteberg/vigra,timoMa/vigra,dagophil/vigra,cbecker/vigra,ThomasWalter/vigra,martinsch/vigra,xiwei-zhang/vigra,hmeine/vigra,martinsch/vigra,kod3r/vigra,xiwei-zhang/vigra,psteinb/vigra,timoMa/vigra,stuarteberg/vigra,timoMa/vigra,stuarteberg/vigra,funkey/vigra,dstoe/vigra,dstoe/vigra,kod3r/vigra,DaveRichmond-/vigra,hmeine/vigra,capturePointer/vigra,stuarteberg/vigra,DaveRichmond-/vigra,funkey/vigra,psteinb/vigra,kod3r/vigra,xiwei-zhang/vigra,dstoe/vigra,mmuellner/vigra,hmeine/vigra,mmuellner/vigra,cbecker/vigra,funkey/vigra,xiwei-zhang/vigra,cbecker/vigra