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Re: WHERE command returning -1 even if matching is there [message #93354 is a reply to message #93353] Wed, 22 June 2016 09:02 Go to previous messageGo to previous message
Helder Marchetto is currently offline  Helder Marchetto
Messages: 520
Registered: November 2011
Senior Member
On Wednesday, June 22, 2016 at 4:50:22 PM UTC+1, Sapna Mishra wrote:
> Hello All,
>
> I have a long float array say b_arr.
> and I know it has a value 0.999254 at position 4556th in b_arr
> but when I am doing:
>
> i=where( b_arr EQ 0.999254)
> print,i
> -1
>
> It should return i=4556. isn't??
> How come is this possible any help please?

Try printing:
print, b_arr[4556]-0.999254
print, b_arr[4556] eq 0.999254

What do you get?

Cheers,
Helder
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