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Subject: [OASIS Issue Tracker] Created: (ODATA-554) Clarify representation of floating-point numbers
Clarify representation of floating-point numbers
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Key: ODATA-554
URL: http://tools.oasis-open.org/issues/browse/ODATA-554
Project: OASIS Open Data Protocol (OData) TC
Issue Type: Improvement
Affects Versions: V4.0_CSD03
Environment: [Proposed]
Reporter: Ralf Handl
Fix For: V4.0_WD01
We specify Edm.Double and Edm.Single to be IEEE754 binary floating-point numbers with 64 and 32 bits.
Unfortunately the IEEE754 specifications are not freely available, and their publicly available excerpts in e.g. Wikipedia and XML Schema 1.1 Part 2 seem to diverge in the fine points of
- normalized and denormalized values
- smallest and largest positive and negative values
Also we don't give guidance like "always produce normalized values, always accept all values and round appropriately".
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