In ISO 21090 this value is used to represent real unitless numbers, that are not expressions of ratio (see RTO). It is not
used to represent physical quantities with units, for which subtypes of the PQV datatype (itself a specialisation of QTY)
is used. This is unchanged in the LRA
Specializes
Attributes
| Name |
Data type |
Occurs |
Description |
|
value
|
Real
|
0..1 |
This is implemented as described in ISO 21090. |
|
precision
|
Integer
|
0..1 |
This is implemented as described in ISO 21090. |
Constraints
| Type |
Name |
Specification |
| null or value |
Invariant |
inv: isNull xor value.oclIsDefined |