On Fri, 20 Jul 2012 11:43:45 -0400, Shmuel Metz (Seymour J.) wrote: > >>Is this because Unisys is deficient in conformance to the standard, >>or because IBM's implementation contains an extension to the >>standard? > >No, it's because UNIVAC used ones complement arithmetic on most of its >lines, Including the 1108 et al that Unisys inherited. > That's pretty vague. Does the standard specify the behavior as implementation defined, in which case a conforming program intended to be portable should avoid relying on either vendor's behavoir; or does one of the vendors deviate from the standard?
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