Retrieve the logarithm of number in a specified base ?

[Evadream]

Thanx, that's exactly waht i did :)

Sisyphus wrote:

> Evadream wrote:
>> RTFM ! :D
>> 
>> Function: int mpfr_log (mpfr_t rop, mpfr_t op, mp_rnd_t rnd)
>> 
>> Sorry, again.
>> 
>> If you've got any suggestions, or another method to retrieve what i want
>> :)
>> 
>> Thanx !
>> 
> 
> If you need to get a base N logarithm of a number (where N is something
> other than 2, 10, or e) then you might want to make use of the following
>   (well known) relationship:
> 
> The base-N logarithm of a number is equal to the natural (base-e) log of
> that number, divided by the natural log of N.
> 
> Cheers,
> Rob