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[Bug-kawa] [bug #40077] Boolean logical `not` on float number can result
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From: |
Per Bothner |
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Subject: |
[Bug-kawa] [bug #40077] Boolean logical `not` on float number can result in ClassCastException |
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Date: |
Tue, 24 Sep 2013 02:07:11 +0000 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.76 Safari/537.36 |
Update of bug #40077 (project kawa):
Status: None => Fixed
Assigned to: None => bothner
Open/Closed: Open => Closed
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Follow-up Comment #2:
I checked in fix and testcase - thanks.
This wasn't very obvious. The problem was not the floating-point number, but
that eqv? had the wrong return type: the generic Type.booleanType rather than
the Scheme-appropriate Scheme.booleanType. Both are represented by a
primitive boolean at run-time, but the latter handles Scheme "boolean-value"
conversion. The wrong type for eqv? causes the wrong return type for repeat?
to inferred, which then lead to the faulty runtime cast.
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