Mathematical Functions - is_finite()/is_infinite
| From: | Cornelia Boenigk | Date: | Fri, 27 Feb 2004 02:44:27 +0000 |
| Subject: | Mathematical Functions - is_finite()/is_infinite | ||
| References: | 1 2 3 | Groups: | php.doc |
| Request: | Send a blank email to phpdoc+get-969359256@lists.php.net to get a copy of this message | ||
Hi
is_finite -- Finds whether a value is a legal finite number
please., what is a *legal* finite number?
sqrt(2) or pi() are definitively infinite numbers.
But
is_finite(sqrt(2)) as well as is_finite(pi()) return TRUE.
In which sense are those values finite?
Regards
Conni