# Re: confused by a simple question

From: Dennis Shea <shea_at_nyahnyahspammersnyahnyah>
Date: Fri Mar 29 2013 - 11:23:44 MDT

NCL default integer size is a signed 32 bit number
The largest range is +/- 2147483647

Your "d" is larger than the default can handle.

b=1.098
c=1.3e11
d=130000000000
print(b*c)
print(b*d)
D=130000000000l ; long (64 bit signed integer)
print(b*D)

On 03/29/2013 11:16 AM, H.Dang wrote:
> Dear NCL'ers:
>
> I'm trying some simple multiplications and got confused:
>
> ncl 25> b=1.098
> ncl 26> c=1.3e11
> ncl 27> d=130000000000
> ncl 28> print(b*c)
> (0)1.4274e+11
> ncl 29> print(b*d)
> (0)1.263777e+09
>
> What I expect is that the command 28 and 29 have the same result since
> "c" equals "d". I don't figure out at the moment why they are
> different. I wonder what the mistake is in my expressions?
>
> Thank you!
>
> Hongyan
>
>
> _______________________________________________
> ncl-talk mailing list
> List instructions, subscriber options, unsubscribe:
> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>

_______________________________________________
ncl-talk mailing list
List instructions, subscriber options, unsubscribe:
http://mailman.ucar.edu/mailman/listinfo/ncl-talk
Received on Fri Mar 29 11:23:54 2013

This archive was generated by hypermail 2.1.8 : Tue Apr 02 2013 - 21:23:48 MDT