Re: probable bug of "ispower" function in GP

Hi Vincent, Bill,


Apologies!

I misunderstood the definition of "ispower"!


I wanted a function that identify directly if some integer is a power of 2


cordially,


luis
***


Vincent Lefevre <[email protected]> a écrit :

> Hi,
>
> On 2023-01-12 12:13:05 +0100, [email protected] wrote:
>> (01:00) gp > ispower(8,2)
>> %1 = 0
>> (01:00) gp > ispower(16,2)
>> %2 = 1
>> (01:00) gp > ispower(9,3)
>> %3 = 0
>> (01:00) gp > ispower(27,3)
>> %4 = 1
>> (01:01) gp > ispower(4,2)
>> %5 = 1
>> (01:01) gp >
>
> These answers look fine. Where is the bug?
>
> --
> Vincent Lefèvre <[email protected]> - Web: <https://www.vinc17.net/>
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