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About all COMPUTATIONAL fields

 
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avm

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Joined: 20 Apr 2005
Posts: 6

PostPosted: Wed Apr 20, 2005 12:05 pm    Post subject: About all COMPUTATIONAL fields
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Plz give me detailed info about all COMP fields in cobol
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kanak

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PostPosted: Wed Apr 20, 2005 8:56 pm    Post subject:
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COMPUTATIONAL or COMP Representation of the COMPUTATIONAL phrase is system-dependent and is normally assigned to representations that yield the greatest efficiency when arithmetic operations are performed on that system.


For the VS COBOL II compiler, the COMPUTATIONAL phrase is synonymous with BINARY.

COMPUTATIONAL-1 or COMP-1
Specified for internal floating-point items (single precision).
COMP-1 items are 4 bytes long. The sign is contained in the first bit
of the leftmost byte and the exponent is contained in the remaining 7
bits. The last 3 bytes contain the mantissa.

COMPUTATIONAL-2 or COMP-2
Specified for internal floating-point items (double precision).
COMP-2 items are 8 bytes long. The sign is contained in the first bit
of the leftmost byte and the remaining 7 bits contain the exponent.
The remaining 7 bytes contain the mantissa.

COMPUTATIONAL-3 or COMP-3 (internal decimal)
For VS COBOL II, this is the equivalent of PACKED-DECIMAL.

COMPUTATIONAL-4 or COMP-4 (binary)
For VS COBOL II this is the equivalent of BINARY.
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avm

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PostPosted: Thu Apr 21, 2005 10:23 am    Post subject: Re: About all COMPUTATIONAL fields
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avm wrote:
Plz give me detailed info about all COMP fields in cobol



Thanx Kanak for your prompt reply.

AVM.
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