Re: usage of absolute (abs) function

Hi Madhura,
A slight correction: I misread the documentation. abs supercedes fabs..
So you should be using abs, and not fabs.. My apologies for the confusion..
Adam

On 03/11/2013 11:13 AM, Adam Phillips wrote:
> Hi Madhura,
> It sounds to me like fabs is not liking what you are passing it, which
> is weird as fabs accepts all types of arrays. What happens if you were
> to take the fabs call out of the if statement?
> print(fabs(tvmax(i,ilat,ilon)))
>
> (Note: According to the documentation fabs should be used in place of
> abs due to the fact that fabs accepts arrays of all types.)
>
> Finally, what version of NCL are you running? Please respond to
> ncl-talk so others besides myself can assist.. Adam
>
> On 03/11/2013 01:01 AM, madhura ranade wrote:
>> Hello all,
>> i am trying to test the significance of regression coefficient
>>
>> so this is what i did.
>>
>> if((fabs(tvmax(i,ilat,ilon))).ge.tcrit)then
>> rcsig(i,ilat,ilon) = rc(i,ilat,ilon)
>> end if
>>
>> initially i had used abs function instead of fabs. then i got an error
>>
>> "Argument type mismatch on argument (0) of (abs) can not coerce"
>>
>> Then i found from one of the ncl talks to use 'fabs' instead of 'abs'
>>
>> i did so, and yet i got the same error message.
>>
>> "Argument type mismatch on argument (0) of (fabs) can not coerce"
>>
>> I have defined both the variables, i.e. rc and rcsig as float.
>>
>> is there any way i check this?
>>
>> Thanks.
>>
>> Madhura
>> --
>> /*
>> Give me freshening breeze,
>> A white and swelling sail,
>> A ship that cuts the dashing waves,
>> And weathers every gale.
>> */
>>
>>
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> --
> ______________________________________________________________
> Adam Phillipsasphilli@ucar.edu
> NCAR/Climate and Global Dynamics Division (303) 497-1726
> P.O. Box 3000
> Boulder, CO 80307-3000http://www.cgd.ucar.edu/cas/asphilli

-- 
______________________________________________________________
Adam Phillips                                asphilli@ucar.edu
NCAR/Climate and Global Dynamics Division       (303) 497-1726
P.O. Box 3000				
Boulder, CO 80307-3000    http://www.cgd.ucar.edu/cas/asphilli

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Received on Mon Mar 11 09:16:48 2013