[PATCH] Re: (gcd -2) -> -2

[Neil Jerram]

2008/8/12 Mikael Djurfeldt <address@hidden>:
> 2008/8/12 Neil Jerram <address@hidden>:
>> 2008/8/12 Bill Schottstaedt <address@hidden>:
>>> gcd is supposed to ignore factors of -1.
>>
>> According to?  (I'm not suggesting that you're wrong.  I'd just like
>> you to be precise about your references.)
>
> R5RS:
>
> 6.2.5 Numerical operations
>
>  -- library procedure: gcd n1 ...,
>  -- library procedure: lcm n1 ...,
>     These procedures return the greatest common divisor or least common
>     multiple of their arguments.  The result is always non-negative.

Patch is attached, for review.

      Neil

0001-Fix-for-incorrect-gcd-2-2-should-give-2.patch
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