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| Copybook - Signed Integers |
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| CHF |
 Posted: Wed Sep 28, 2005 9:23 am Post subject: Copybook - Signed Integers |
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Master
Joined: 16 Dec 2003
Posts: 297
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Hello All,
I am using WMQI 2.1 and mapping xml to copybook.
I have a Copybook field PIC S9(07)V9(2)
Can anyone pl tell the valid data for the copybook field...
When mapping do we have to specify sign and seperator also?
PIC S9(07)V9(2) -----> 0000000.00
-----> -1111111.22
Are the sample data valid?
_________________
CHF  |
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| EddieA |
| Posted: Wed Sep 28, 2005 3:17 pm Post subject: |
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Jedi
Joined: 28 Jun 2001
Posts: 2453
Location: Los Angeles
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| Quote: |
| Are the sample data valid? |
No. The "V" is an implied decimal point, so 56.78 would actually be stored as 000005678.
The "S" changes the the last character of the data. In EBCDIC, the hex values of the numbers are x'F0' - x'F9'. The sign bit changes them to x'C0' - x'C9' for positive numbers and x'D0' - x'D9' for negative. (I know there are other values as welll, but these are the recognised ones). So, for the above example, that would be, for a positive number, x'F0F0F0F0F0F5F6F7C8' and x'F0F0F0F0F0F5F6F7D8' for negative. And x'F0' - x'F9' is actually unsigned, but treated as positive.
Cheers,
_________________
Eddie Atherton
IBM Certified Solution Developer - WebSphere Message Broker V6.1
IBM Certified Solution Developer - WebSphere Message Broker V7.0 |
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