The document describes how to convert COBOL data type into engine rules layout.
| COBOL Type | COBOL Representation | Layout Type | Layout Size | Layout Scale | Range |
|---|---|---|---|---|---|
| Signed BINARY 1 byte | PIC S9 to S9(3) COMP | integer | 1 | N/A | -128 to 128 |
| Signed BINARY 2 bytes | PIC S9(4) to S9(5) COMP | integer | 2 | N/A | -32768 to 32767 |
| Signed BINARY 4 bytes | PIC S9(6) to S9(10) COMP | integer | 4 | N/A | -2147483648 to 2147483647 |
| Signed BINARY 8 bytes | PIC S9(11) to S9(19) COMP | integer | 8 | N/A | -9223372036854775808 to 9223372036854775807 |
| Unsigned BINARY 1 byte | PIC 9 to 9(3) COMP | uinteger | 1 | N/A | 0 to 255 |
| Unsigned BINARY 2 bytes | PIC 9(4) to 9(5) COMP | uinteger | 2 | N/A | 0 to 65535 |
| Unsigned BINARY 4 bytes | PIC 9(6) to 9(10) COMP | uinteger | 4 | N/A | 0 to 4294967295 |
| Unsigned BINARY 8 bytes | PIC 9(11) to 9(20) COMP | uinteger | 8 | N/A | 0 to 18446744073709551615 |
| FLOAT 4 bytes | PIC S9(p)V9(s) COMP-1 | Not supported | - | - | -3.4028235E+38 to -1.1754944E-38, 0.0E+0, +1.1754944E-38 to +3.4028235E+38 |
| FLOAT 8 bytes | PIC S9(p)V9(s) COMP-2 | Not supported | - | - | -1.797693134862315E+308 to -2.225073858507201E-308, 0.0E+0, +2.225073858507201E-308 to +1.797693134862315E+308 |
| Alpha CHARACTER (A-Z, a-z, and space) | PIC A(n) | string | n | N/A | N/A |
| Any CHARACTER | PIC X(n) | string | n | N/A | N/A |
| Numeric CHARACTER (numbers 0-9) | PIC 9(n) | string | n | N/A | N/A |
| DECIMAL | PIC S9(p)V9(s) COMP-3 | packedDecimal | Integer((p+s)/2)+1 | s | N/A |
| DISPLAY NUMERIC | PIC S9(p)V9(s) | decimal, zonedDecimal | p+s | s | N/A |