For negative numbers presumably we need to d++ for the minus sign, no?
Borislav Petkov <bp@xxxxxxxxx> wrote:
>On Sat, Sep 28, 2013 at 09:58:33PM +0200, Ingo Molnar wrote:
>>
>> * Borislav Petkov <bp@xxxxxxxxx> wrote:
>>
>> > On Sat, Sep 28, 2013 at 09:49:27PM +0200, Borislav Petkov wrote:
>> > > And yes, that one works too.
>> >
>> > Btw, just to be thorough, we could handle negative numbers too:
>> >
>> > int num_digits(int val)
>> > {
>> > int m = 10;
>> > int d = 1;
>> >
>> > if (val < 0)
>> > val = -val;
>> >
>> > while (val >= m) {
>> > m *= 10;
>> > d++;
>> > }
>> >
>> > return d;
>> > }
>>
>> I like the cell phone version better!
>
>This *is* the cell phone version + negative numbers handling.
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