added explicit conversions from 64-bit int to float and double
added explicit conversions from 64-bit int to float and double

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