Fix simple glacier masks for float geotiff input (#1079)
Fix simple glacier masks for float geotiff input (#1079)


TimoRoth/oggm,OGGM/oggm,juliaeis/oggm,OGGM/oggm,bearecinos/oggm,TimoRoth/oggm,anoukvlug/oggm,juliaeis/oggm,anoukvlug/oggm,bearecinos/oggm