[Openmcl-devel] BUG: bad negation of arguments declared as SHORT-FLOAT

Pierpaolo Bernardi olopierpa at gmail.com
Thu Nov 17 08:37:47 PST 2011


On Thu, Nov 17, 2011 at 17:34, Pierpaolo Bernardi <olopierpa at gmail.com> wrote:
> On Thu, Nov 17, 2011 at 17:27, Eric Marsden <eric.marsden at free.fr> wrote:
>> Hi,
>>
>> This is on Linux/armel (current SVN).
>>
>> ,----
>> | ? (lisp-implementation-version)
>> | "Version 1.8-dev  (LinuxARM32)"
>> | ? (defun foo (a)
>> |     (declare (type short-float a))
>> |     (- a))
>> | FOO
>> | ? (foo 0.0)
>> | 1.0
>> `----
>
> Since you are passing an argument of the wrong type to FOO there's no
> wonder the result is meaningless.
>
> Or am I missing something?

Oops.  Shorts and singles probably are the same in this implementation
(I cannot check now).

So I retire and disavow my comment.

P.



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