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-   -   Floating point in C (http://www.go4expert.com/forums/floating-c-t4689/)

phaceoff 14Jun2007 20:27

Floating point in C
 
Hi!

I'm trying to write a simple program that takes a fairly big number and checks which numbers it is dividable with.

If i create a loop that divides the big number with an increasing floating point variable, I should have the answer when the result is a whole number.

But how do i check if a floating point is a whole number???

-phaceoff

DaWei 15Jun2007 02:18

Re: Floating point in C
 
Code:

float f = whatever;
if (fmod (f, floor (f)) == 0)
    // f is a whole number
...



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