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Re: 20000313: LDM problem
- Subject: Re: 20000313: LDM problem
- Date: Wed, 15 Mar 2000 14:17:14 -0600 (CST)
On Tue, 14 Mar 2000, Unidata Support wrote:
>
> David,
>
> Linux is having trouble storing idat = (2**31)-1 in the
> $GEMLIB/dp/dppgrb.f routine. All the other platforms compute
> idat as 2147483647, but Linux is generating -2147483648 from the 2**31
> part of the calculation. As a result, the while loop in the code never
> converges.
>
> The field which trips this problem is parameter 198 (cloud concentration
> of ice particles) which has a range of 0 to 1.66E10 which must be scaled
> to be packed in the output file.
>
> I have respecified INT_MAX in the routine so that 2**31 - 1 doesn't have to
> be calculated. A revised binary is in ~gbuddy/nawips-5.4/binary/linux
> and I will repackage the linux binaries as well.
>
> This should solve your problem since I tested it with the 18Z nggrib products
> and managed to clear up the infinite loop. Let me know if you have any other
> trouble.
>
>
Yes! That seems to have fixed the problem... much better now.
Were getting most if not all the data now!
--------------------------------------------------------
David Wojtowicz, Research Programmer/Systems Manager
Department of Atmospheric Sciences Computer Services
University of Illinois at Urbana-Champaign
email: address@hidden phone: (217)333-8390
--------------------------------------------------------
