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[Gcl-devel] wrong value for (float-sign -0.0)
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From: |
Gabriel Dos Reis |
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Subject: |
[Gcl-devel] wrong value for (float-sign -0.0) |
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Date: |
28 Sep 2008 00:25:17 -0500 |
Camm --
On IEEE-754 platforms, GCL reports a wrong value the sign of -0.0
>*features*
(:COMPILER :NUMLIB :SDEBUG :DEFPACKAGE :GNU-LD :UNEXEC :BFD
:NATIVE-RELOC :READLINE :TRUNCATE_USE_C :CLX-LITTLE-ENDIAN :BSD
:GNU :LINUX :X86_64 :SGC :IEEE-FLOATING-POINT :UNIX :GMP :GCL :AKCL
:COMMON :KCL)
>(float-sign -0.0)
1.0
The correct value is -1.0. This affects both GCL-2.6.8pre and GCL-2.7.0.
-- Gaby
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