Am 11.01.2011 09:34, schrieb ratheesh k:
> On Tue, Jan 11, 2011 at 1:31 PM, Thomas Weber
> <thomas.weber.linux@xxxxxxxxxxxxxx> wrote:
>> Okay, now I got it.
>>
>> Look for IEEE754.
>>
>> 0.1 is in double precision 0.10000000149011612
>>
>> Thomas
>>
>
> Is it possible to print the correct "printf" statement by typecasting
> some of operations or data types. I tried with no success.
>
> -Ratheesh
Try something with precision and typecast float to double
printf("f:%.10f is 1.0 \n",(double) f);
Thomas
>
>
>> Am 11.01.2011 08:55, schrieb Uriel Corfa:
>>> I'd say : rounding errors. Floating point goes in mysterious ways.
>>>
>>> On Tue, Jan 11, 2011 at 8:38 AM, ratheesh k <ratheesh.ksz@xxxxxxxxx> wrote:
>>>> I could not understand why it getting printed like this. Could any
>>>> body tell me.
>>>>
>>>> #include <stdio.h>
>>>>
>>>> int main()
>>>> {
>>>> float f=0.0f;
>>>> int i;
>>>>
>>>> for(i=0;i<10;i++)
>>>> f = f + 0.1f;
>>>>
>>>> if(f == 1.0f)
>>>> printf("f is 1.0 \n");
>>>> else
>>>> printf("f is NOT 1.0\n");
>>>>
>>>> return 0;
>>>> }
>>>
>>
--
To unsubscribe from this list: send the line "unsubscribe linux-c-programming" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
