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BINARY VALUE in COBOL

 
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bvarun.

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Joined: 05 Jul 2013
Posts: 34
Location: India

PostPosted: Mon Sep 30, 2013 3:10 pm    Post subject: BINARY VALUE in COBOL
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hey guyz,

pls explain me this declaration

Code:
05 WS-DATE-MAX              PIC 9(05) BINARY VALUE 40.


i couldnt find in reference books..i found it in production but no idea here with my teammates also..

from the flow of code i understand that this particular field is used as counter but clueless about BINARY VALUE 40
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Robert Sample

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PostPosted: Mon Sep 30, 2013 3:22 pm    Post subject:
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BINARY is an alias of COMP.

VALUE 40 means the initial value for the variable is 40.

You need to find better reference books -- both of these terms are completely and thoroughly explained in the Enterprise COBOL Language Reference manual, a link to which is found at the top of this page (IBM Manuals).
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bvarun.

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PostPosted: Mon Sep 30, 2013 3:29 pm    Post subject:
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thanks robert
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Bill Woodger

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PostPosted: Mon Sep 30, 2013 11:47 pm    Post subject: Reply to: BINARY VALUE in COBOL
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In additions to BINARY it will also be possible to find COMP-4. All three mean exactly the same thing.

Familiarise yourself with compiler option TRUNC. If the program in question is compiled with TRUNC(BIN) then it is effectively COMP-5 anyway, which is different.

COMP-5 allows full use of all the bits defined for a field, and does binary truncation to field-size. BINARY, COMP and COMP-4 do decimal truncation to actual PICture size.

Your 5-digit field has a maxium value of 99,999 with TRUNC(STD). With TRUNC(BIN) it has a maximum of one shy of four gigs.

With TRUNC(OPT) it is the programmer's responsibility that the maximum value (positive or negative if signed) from the PICture is not exceeded.
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