From: matz@... (Yukihiro Matsumoto)
Date: 2004-02-16T19:10:37+09:00
Subject: Re: Math.sqrt(-1) doesn't raise ArgumentError

Hi,

In message "Math.sqrt(-1) doesn't raise ArgumentError"
    on 04/02/16, Simon Strandgaard <neoneye@adslhome.dk> writes:

|server> irb
|irb(main):001:0> Math.sqrt(-1)
|=> NaN
|irb(main):002:0>
|
|NaN == Not a Number
|
|Why has sqrt behavier changed, when it hasn't for divisionbyzero?

Because sqrt is a float operation.

  p 3.0 / 0
  => Infinity

							matz.