Ramya Vasanth created OLINGO-1545:
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Summary: OData V4: Scientific notation value of Edm.Double cannot
be processed
Key: OLINGO-1545
URL: https://issues.apache.org/jira/browse/OLINGO-1545
Project: Olingo
Issue Type: Bug
Components: odata4-server
Affects Versions: (Java) V4 4.8.0
Reporter: Ramya Vasanth
As per
[https://en.wikipedia.org/wiki/Double-precision_floating-point_format#IEEE_754_double-precision_binary_floating-point_format:_binary64]
If a decimal string with at most 15 significant digits is converted to IEEE 754
double-precision representation, and then converted back to a decimal string
with the same number of digits, the final result should match the original
string*.* If an IEEE 754 double-precision number is converted to a decimal
string with at least 17 significant digits, and then converted back to
double-precision representation, the final result must match the original
number.
The string 5.9999999999999998e-01 parsed back to Double is _equal_ to 0.6.
These validations often fail and POST requests having payloads with values like
as 0.5, 0.6, 1.1 will get converted to 5e-1, 5.99999e-1...
The line causing the isue is in Edm.Single and Edm.Double classes
if (result.isInfinite() ||
BigDecimal.valueOf(result).compareTo(bigDecimalValue) != 0) {...
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