unsigned long long int with os-x
Sun Oct 13 17:11:00 GMT 2002
Yes, this works on Macintosh OS-X.
On Sunday, October 13, 2002, at 08:04 PM, Segher Boessenkool wrote:
> Nicholas Strauss wrote:
>> I'm trying to use gcc in darwin os-x. I've written the following
>> piece of code:
>> int main(int argc, char *argv)
>> unsigned long long int u;
>> u = 1<<63;
> This is the int 1 shifted by 63 bits to the left; that's "undefined
> by the C standard (and will probably result in 0).
> u = 1LL << 63;
>> printf("u: %ld uu: %ld\n", u, u-1);
>> printf("maxint %ld\n", INT64_MAX);
>> What compiler/linker options should I use with gcc?
> No special options are needed. But try out -Wall and -W.
>> What format should I use with printf?
> "%lld" if I remember correctly.
> Have fun,
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