How to test if a decimal is even or odd in labview

Question

i made a VI that tests for even and odd integers using the quotient/remainder function and the Select function but when i test a decimal it does not work properly.
i have my VI testing to see if the input diveded by 2 gives you a remainder equal to 0, and if it does then it is even and the VI displays a messege saying "Even", but when i put in a decimal ( for example 7.2) the remainder is spitting out 1.2 which is not equal to 0 making my VI not work properly, if anybody can help me with this i would greatly appreciate it and if you could attached a photo that would help me understand what my mistake is, Thanks i have attached my VI for you to look at
Attachments:
P 3.7.vi ‏34 KB

Answer 1

As has been already said, odd/even is only defined for integers, so you need to tell us what you expect for e.g. 7.2.
Do you want to know if the last decimal digit is even or odd?
Do you want to know if the nearest integer is even or odd?
While you are at it, you might also think a bit more about your program design:
What is the purpose of your "select" primitive? What do you think would be different if you just leave it out completely?
Why do you test for "equal zero" and "not equal zero"? One is just the inversion of the other and knowing one also determines the other automatically.
Why do you use two dialog boxes? Do one comparison and use "select" to switch between the two messages. Only one express dialog needed.
Don't mix blue and orange. Select the correct representation for your diagram constants.
There is a primitive for "equal zero"
Never use equal and not equal comparison with orange numeric data (DBL). You might not get expected results.
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