On Mon, Aug 10, 2009 at 8:24 AM, Johannes
Schindelin<Johannes.Schindelin@xxxxxx> wrote:
> Hi,
>
> On Mon, 10 Aug 2009, Erik Faye-Lund wrote:
>
>> On Mon, Aug 10, 2009 at 7:24 AM, Christian
>> Couder<chriscool@xxxxxxxxxxxxx> wrote:
>> >> log10() appears to be C99, but can be emulated on earlier C-versions by
>> >> doing #define log10(x) (log(x) / log(10.0))
>> >
>> > That would mean linking with -lm?
>>
>> I guess so. Are we currently trying to avoid linking to the math-parts
>> of libc?
>
> Yes.
>
> I guess we could fix the overflow thing very easily, though:
>
> static unsigned int digits_of_number(unsigned int number) {
> unsigned int result;
> for (result = 1; number; number /= 10, result++)
> ; /* do nothing */
> return result;
> }
>
> Ciao,
> Dscho
>
>
whoops, actually yours: digits_of_number(1) -> 2
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