While moving a decimal value to Comp-5, you just need to consider these: it stores only the integer portion and ignores the decimal portion.
Suppose you have defined a field with PIC 9(07)V99 and you moved a value from this data type to COMP-5.
COBOL Example: How to use COMP-5.
01 My-data PIC 9(07)v99 value 1234567.10.
01 Out-data comp-5 or S9(07)v99 Comp-5.
MOVE My-data to Out-data.The result will be: 1234567
Resolution
The key point I want to share is that Comp-5 stores only integer parts and truncates decimal parts.
Note: So, you cannot use comp-5 as S9(07)v99, but you can use it as S9(09).
More details of COMP-5
- Comp-5 stores the data in the form of Binary ( because binary doesn’t support decimals)
- It has boundaries. It stores as 2/4/8 bytes internally
- S9(1) to S9(4) => 2 bytes(half)
- S9(5) to S9(9) ==> 4 bytes(full)
- S9(10) to S9(18) ==> 8 bytes(double)
- With or without ‘S’ you can define the Comp-5 data types
References
- The complete Information of COMPUTATIONAL-5 or COMP-5 Phrase (Binary)
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