POV-Ray : Newsgroups : povray.unofficial.patches : Why & has higher precedence than + or - in isosurface functions? : Re: Why & has higher precedence than + or - in isosurface functions? Server Time
2 Sep 2024 08:13:01 EDT (-0400)
  Re: Why & has higher precedence than + or - in isosurface functions?  
From: Dick Balaska
Date: 2 Aug 2000 11:51:38
Message: <39884355.DCB5F320@buckosoft.com>
Warp wrote:

>   Nope. In C a true value is 1 (for example the result of the sentence a==b
> is 1 if a is equal to b, else 0). When testing a conditional, any value
> other than 0 is considered true, and 0 is considered false.

Your definition is wrong, but your example is correct. :)

False is 0.  True is not false.
1 is a true value, as is 2, as is -1.

I have seen #define TRUE 1
I have also seen #define TRUE ~FALSE

dik


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