Or, as my teenage son, who is smarter than me, suggests ...

         1 / $x + abs( $x )

which yields 1/0 if $x is neg.  (He didn't go into trapping for the error 
... sigh.)

Miles

At 11:07 PM 9/25/2002 -0300, Miles Thompson wrote:
>$x = -1;
>if ($x < 0 ){
>         echo "Negative";
>    else
>         echo "Positive";
>}
>
>Or am I missing something?
>
>Miles
>
>At 07:02 PM 9/25/2002 -0700, Mike Dunlop wrote:
>>I've look through all the numerican functions but can't readily see a way 
>>to test for a negative number e.g -7
>>
>>Any ideas on how to do this?
>>
>>
>>
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