Brandon Sloane created DAFFODIL-2165:
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Summary: Add *Double functions to the typeCalc family of functions
Key: DAFFODIL-2165
URL: https://issues.apache.org/jira/browse/DAFFODIL-2165
Project: Daffodil
Issue Type: New Feature
Components: Back End
Affects Versions: 2.3.0
Reporter: Brandon Sloane
Assignee: Brandon Sloane
Fix For: 2.4.0
For reasons of type safety, most of the functions relating to typeCalc are
specialized by their return type. Currently, only Integer and String functions
are defined.
This leave a clear gap where Double is missing, which would be nessasary to use
this feature to support a unit-normalization use-case (eg. mil-std style DFI
DUI, where degrees may be specified in units of 1/2^n . It is natural to
intereperat this using a Int -> Double typeCalc.
In theory, we need functions for all primitive types. However, I believe Double
should be sufficient for most usecases.
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