OpenEuphoria

Re: Comparing 2d sequences

• Posted by Ricardo Niederberger Cabral <rnc at INFOLINK.COM.BR> Jun 10, 1997
• 888 views

> >How can I compare two 2d sequences dimensioned like this:
> >repeat(repeat(1,100),100)
> >        (Each element ranging from 1 to 10, for example)
> >And create a 2d "mask" sequence with zeros where
> >the corresponding elements of the 2 sequences are different ?
> >        I'm using the and_bits function but it sometimes (and don't know
> why) give
> >me something wrong.
> function Compare2D(sequence a, sequence b)
>   return not (a-b)
> end function

        Thank you, but I want to know what is different between two 2D sequences
by reading a "mask" sequence (with the same length of the compared
sequences) where each 0 means that the corresponding element in both
compared sequences are different.


(Sorry if it's not clear, because I'm not a native english speaker)
---
Ricardo Niederberger Cabral
<rnc at infolink.com.br>