https://issues.apache.org/bugzilla/show_bug.cgi?id=55419
Bug ID: 55419
Summary: New fraction formatting throws SimpleFractionException
due to incorrect MAX_VALUE in overflow
Product: POI
Version: 3.10-dev
Hardware: PC
OS: Windows XP
Status: NEW
Severity: normal
Priority: P2
Component: POI Overall
Assignee: [email protected]
Reporter: [email protected]
A SimpleFractionException is being thrown on what should be a very easy case to
format:
Format 123456.6 as a fraction with single digit numerator and denominator.
It is expected to format as 123456 3/5
Instead, I get:
org.apache.poi.ss.usermodel.FractionFormat$SimpleFractionException: Greater
than overflow in loop 0.600000, 20615843021, 34359738368
at
org.apache.poi.ss.usermodel.FractionFormat.calcFractionMaxDenom(FractionFormat.java:217)
at
org.apache.poi.ss.usermodel.FractionFormat.format(FractionFormat.java:133)
at
org.apache.poi.ss.usermodel.FractionFormat.format(FractionFormat.java:172)
When looking at the code in FractionFormat, method calcFractionMaxDenom, I see
that it is setting an overflow variable, of type long, to Integer.MAX_VALUE.
In my test area, when I set the value to Long.MAX_VALUE, the function correctly
returns the data I expect.
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