correct me if I'm wrong but, float has a precision of around 8 digits. and
double 16 digits... if you want arbitrary precision floating point numbers,
try GNU BigNum library...
Anil
On Mon, Apr 12, 2010 at 9:54 PM, Himanshu Aggarwal
<lkml.himan...@gmail.com>wrote:
>
>
> On Sun, Apr 11, 2010 at 6:55 PM, GentLeBoY <vikrantsing...@gmail.com>wrote:
>
>> how to store fractional numbers with a fractional part having 25-30
>> digits after decimal place,
>> does long double has the same precision as double?.
>> 1 more prob.
>> format specifier for long double is %lf and same for double, so if i
>> write
>> long double a;
>> scanf("%lf",&a);
>> a=a*2;
>> printf("%lf",a);
>> why is the output -2.0000 ?
>>
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>
> Float has single precision.
> double has double precision.
> Long double has extended precision.
>
> For your requirement, even a float would suffice. check out the value of
> FLT_MAX . It is of the order of 10^37.
>
> ~Himanshu Aggarwal
>
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