RE: [Dev-C++] Checking validity of float and double

[David M. <ci...@ya...>]

here is a idea 
initalize your variables when you declare them
eg float var_name = 0.0;
thus you can test for for 0 to see if the values
have changed.

> From: dev...@li...
> [mailto:dev...@li...] On
> Behalf Of Glen
> Corby
> Sent: Friday, April 26, 2002 12:49 PM
> To: dev...@li...
> Subject: [Dev-C++] Checking validity of float and double
> 
> 
> This isnt a dev-C++ specific question, but i am wondering
> if anyone
> knows how you check if a float or double carrys valid
> data. 
>  
> My program runs fine most of the time but every now and
> again it spits
> out -NaN.
> I figure its from uninitialised variables, however I cant
> track down
> where they enter the program without performing periodick
> checks at
> suspect locations. 
>  
> So is there a function like 
>     bool validFloat(float num)  for instance?

=====
David Mcken

Life Sucks
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