builtin sscanf
fedor_qd@mail.ru
fedor_qd@mail.ru
Fri Oct 21 05:11:00 GMT 2016
You say before builtin sscanf, atof and strod has no dependency from libc. Does all these functions directly calls libc functions?
Always yours, Fiodar Stryzniou
исходное сбщ
Тема: Re: builtin sscanf
От: Jeff Law <law@redhat.com>
Дата: 19.10.2016 23.05
On 10/19/2016 12:45 PM, fedor_qd wrote:
> How precize this function?
> I write sample:
> int main()
> {
> float x, y;
> __builtin_sscanf("30,981", "%f", &x);
> __builtin_printf("Test comma: %f\n", x);
> return(0);
> }
>
> Compile with options: g++ main.c -o hello -static-libgcc
>
> This sample returns 30.00 but 30.981 expected
That would depend on your host implementation of printf/scanf and is
outside of GCC's control.
jeff
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