use shouldEqualTolerance for calculated FP values (cross, rgb2gray)
use shouldEqualTolerance for calculated FP values (cross, rgb2gray)

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