Clojure

Reading ratios prefixed by + is not working

Details

  • Type: Defect Defect
  • Status: Closed Closed
  • Priority: Major Major
  • Resolution: Completed
  • Affects Version/s: Release 1.2, Release 1.3, Release 1.4
  • Fix Version/s: Release 1.5
  • Component/s: None
  • Labels:
    None
  • Patch:
    Code and Test
  • Approval:
    Ok

Description

In general Clojure's number types can be read prefixed with either a +
or - and this seems to work correctly for reading integers and floats.
In the case of ratios however things break down when ratios are
prefixed with a +.

The ratio pattern in LispReader.java does match on ratios starting
with both + and - but matchNumber fails on ratios prefixed with +
because it ends up calling "new BigInteger(m.group(1))" and it turns
out the constructor for BigInteger has no problems with negative
numbers but it doesn't like numbers prefixed by a +.

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Dates

  • Created:
    Updated:
    Resolved: