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Posted

Hi,

 

I am trying something very simple, but I am out of ideas already

 

(setq interval 5)

(setq dist (getdist "\nEnter Interval :"))

 

Chavdar

Posted (edited)

Hi Chavdar,

if you mean the interval value in the prompt, perhaps something like this

 

(setq interval 5) 
(setq dist (getdist (strcat "\nEnter Interval < " (itoa interval)" >:")))

 

 

EDIT: If your goal is to force the user to enter a number divisible by 5, maybe something like this

(setq interval 5)
(while (not
        (progn
          (initget 7)
          (setq dist (getreal (strcat "\nEnter Interval < " (itoa interval) " >:")))
          (= (fix (/ dist 5)) (/ dist 5))
        )
      )
)

 

 

Henrique

Edited by hmsilva
Posted
To check for divisibility, you could also use:

(zerop (rem dist 5))

 

 

More concise.

Thank you Lee!

 

 

Henrique

  • 7 months later...
Posted
what is it means by rem dist ?

 

The expression returns the remainder when dividing the numerical value held by the variable 'dist' by 5.

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