Determining if an integer is odd - Micrologix

mike64b · May 10, 2012

Hey guys, wondering if this simple check is sufficient for determining if an integer is odd. I divide the number by 2 and then do a greater than zero test on S:13. If the remainder in S:13 is greater than zero, it's an odd integer, otherwise its even..

I think this should work but I wasn't positive that I'm using S:13 correctly.. thanks

Mickey · May 10, 2012

Monitor the first bit in the integer. If it's "1" it's odd, if it's a "0" it's even.

mike64b · May 10, 2012

Ah yes looking at it from a binary view always make it simpler. thanks

Oceansoul · May 10, 2012

You could read the first bit of the word. If this is a 1 then its an odd number, if its a 0 then is even.

Mickey · May 10, 2012

A good read ..

http://www.plctalk.net/qanda/showthread.php?t=9126

Eric Nelson · May 10, 2012

Mickey said:
A good read ..

http://www.plctalk.net/qanda/showthread.php?t=9126

I miss our 'discussions' with Terry...

-Eric

bernie_carlton · May 10, 2012

I had forgotten that one. I think my mind is totally gone.

Eric Nelson · May 10, 2012

bernie_carlton said:
I think my mind is totally gone.

Mine is just plain full. I need to free up some space to learn new stuff. Wish I could add a few gigs of external memory. A place to store the knowledge I don't use everyday...

That thread reminded me of Terry's little 'numbers' puzzle. He'd put a number, surrounded by parenthesis, at the end of each of his posts. Drove me nuts!...

-Eric

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Determining if an integer is odd - Micrologix

mike64b

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Oceansoul

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