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Thanks for the info from everybody. It does make everything a little more
clear now.
Gary Lehman
Programmer Analyst
Missouri Consolidated Health Care Plan
-----Original Message-----
From: Weatherly, Howard [mailto:hweatherly@dlsc.dla.mil]
Sent: Wednesday, June 10, 1998 10:22 AM
To: 'MIDRANGE-L@MIDRANGE.COM'
Subject: RE: Passing numeric fields to COBOL program
Whoops! sorry about the format, forgot that things get
rearranged.
> -----Original Message-----
> From: Weatherly, Howard [SMTP:hweatherly@dlsc.dla.mil]
> Sent: Wednesday, June 10, 1998 9:45 AM
> To: 'MIDRANGE-L@MIDRANGE.COM'
> Subject: RE: Passing numeric fields to COBOL program
>
> Gary,
>
> The sign is the 'F' part of your example, if it were a
> numeric field vs. a date field, the first time any
> arithmatic operation was done on the field the 'Fox' would
> change to 'C' or 'D' depending upon the value of the
> result.
> For instance 2F - 3F = 1D (16) or 1F +1F = 2C(16). As it
> relates to dates, the sign is there mostly to satisfy the
> requirement of a packed decimal field, given the date
> 19980610 the result in a packed field (5 bytes) would be
> |0|9|8|6|0| as you can see 1 byte total is wasted in the
> high order 0 and the low
> order sign however overall three bytes are |----------|
> saved because in zoned decimal the byte count would be
> eight
> and would
> look like this | 1|9|9|8|0|6|1| 0|
> |1|9|0|1|F|
> |F|F|F|F|F|F|F|F|
>
> hope this helps more than adds to the confusion.
>
> > -----Original Message-----
> > From: Gary Lehman
> [SMTP:Gary_Lehman@mail.mchcp.org]
> > Sent: Wednesday, June 10, 1998 8:26 AM
> > To: 'MIDRANGE-L@MIDRANGE.COM'
> > Subject: RE: Passing numeric fields to COBOL program
> >
> > So if I defined the field in my program as packed it HAS
> > to be hex? This
> > may sound like a dumb question but if I key X'0070198F'
> is
> > the first 0 the
> > sign digit?
> >
> > Gary Lehman
> > Programmer Analyst
> > Missouri Consolidated Health Care Plan
> >
> > -----Original Message-----
> > From: tuohyp@ibm.net
> > [mailto:tuohyp@ibm.net]
> > Sent: Tuesday, June 09, 1998 6:35 PM
> > To: 'MIDRANGE-L@MIDRANGE.COM'
> > Subject: RE: Passing numeric fields
> > to COBOL program
> >
> > Gary, does this problem occur when you are
> > passing the
> > parameter from a command line? If so, the problem is
> that
> > the number you are
> > passing is signed where as the program is expecting
> > packed, hence you key
> > the number as a hex value.
> >
> > Paul Tuohy
> >
> > +---
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