i ran into the problem where my program would sometimes be forced to take negative square roots. I tried to catch an error somewhere in the function, but couldn't do so. I've tried the following: 
eval { $number = sqrt(-1) };
if ($@) { print "negative sqrt"; }

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and 
$number = sqrt(-1) or die "error";

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and 
$number = sqrt(-1) or print "error";

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all with no luck. Math::Complex manages to take negative squareroots, but i didn't wanna bother doing that. The only good solution i can come up with right now is checking for a negative number before performing the function. Any ideas on alternatives?

In reply to negative sqrt() by Parham

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