On Jan 7, 2012, at 13:59, glen herrmannsfeldt wrote: > > (Newer standards include the effect when X is zero on machines > supporting a negative floating point zero.) > The 70x had both integer and floating (but not packed decimal) negative zero. A feature sorely missed because READing a blank field stored -0, which appeared as such when printed; the s/360 provided no such indication that a blank field had been read.
-- gil
