How to proceed then?

- Qian

On 10/18/24 9:45 AM, Waldek Hebisch wrote:
On Fri, Oct 18, 2024 at 08:34:58AM +0800, Qian Yun wrote:
https://gmplib.org/manual/Low_002dlevel-Functions

Says the result can be up to the smaller operand.
There's no compatibility notes and the interface seems stable
for at least 10 years.

If gmp documentaion says that smaller operaand is OK, then
I would believe this.  We had a problem in the past, when
we passed smaller buffer than the documented size.  It
worked with two gmp versions, but failed with a third (middle
one).

Also in the following SBCL version, we have:
     (rl (if (< xl yl) xl yl))
     (res (sb-bignum::%allocate-bignum rl)))

So it looks that I overlooked this.


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