Re: Reg: gcc option for printing large number (large double)

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On 2013-09-15 20:37:51 -0400, Tim Prince wrote:
> On 9/15/2013 3:42 PM, Arbol One wrote:
> >Use a 'long long' value instead of a 'double'.
          ^^^^^^^^^
long double

> >
> >#include <iostream>
> >#include <math.h>
> >
> >using namespace std;
> >int main() {
> >        long long temp = 0.0;
           ^^^^^^^^^
long double

> >        temp = pow(2, 2000);
> >        cout << "The value of tmp is: " << temp << endl;
> >
> >        return 0;
> >}
> >
> :s/pow/powl/
> but not all math libraries invoked by some gcc implementations will work.

And on some platforms (ARM, PowerPC), "long double" has the same range
of "double".

-- 
Vincent Lefèvre <vincent@xxxxxxxxxx> - Web: <http://www.vinc17.net/>
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Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)




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