Re: if then else statement

Oops, I have a parenthesis error in my code. It should be:

> if(all(wb.gt.0)) then

--Mary

On May 30, 2013, at 2:05 PM, Mary Haley wrote:

> You can't use an "if" statement on an array of values by themselves.
>
> If "wb" is an array, and you want the True part of the "if" statement to be executed if *any* of the "wb" values are greater than 0, then use the "any" function:
>
> if(any(wb).gt.0) then
> …
>
> If you want the True part of the "if" statement executed only if *all* of the values are > 0, then use "all":
>
> if(all(wb).gt.0) then
>
> You may also want to look at the "where" function, which allows you to do a calculation on a variable based on certain conditions and then return the new value.
>
> For example, if you want "wb" to have a calculation performed on it for any value over 0, but you want to keep the value for anything <= 0, you can do something like:
>
> wb = where(wb.gt.0,wb+1,wb) ; Adds 1 to any value > 0
>
> The "wb+1" is just an example. Obviously you'd want to replace this with your own calculation.
>
> --Mary
>
>
> On May 30, 2013, at 1:58 PM, jbuzan wrote:
>
>> Hello NCL-Talk,
>>
>> I am having an issue with my statement:
>>
>> Line 276 if (wb.gt.0.) then
>> Line 277 do j = 0, 4
>> Line 278-347 calculations…
>> Line 348 end do
>> Line 349 else
>> Line 350 wb = wb
>> Line 351 end if
>>
>> fatal:Conditional statements (if and do while) require SCALAR logical values, see all and any functions
>> fatal:Execute: Error occurred at or near line 350
>>
>> I am not sure what I am doing incorrectly here, any suggestions?
>>
>> -Jonathan
>>
>>
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Received on Thu May 30 14:32:12 2013