BUG : SpectralAngleFunctor, arcos(x) gives us a nan value if x>1
BUG : SpectralAngleFunctor, arcos(x) gives us a nan value if x>1

orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB