Re: simple float/double question
Re: simple float/double question
- Subject: Re: simple float/double question
- From: James McCartney <email@hidden>
- Date: Fri, 30 May 2003 01:42:05 -0700
On Thursday, May 29, 2003, at 11:54 PM, Lloyd Dupont wrote:
how to test if a float/double is a number or not ?
I mean acos(2) for example return NaN, how to know programatically
it's NaN ?
Here's one way:
if (!(x <= 0.0 || x >= 0.0)) {
// x is NaN.
}
NaN fails all magnitude comparisons.
--
--- james mccartney email@hidden <
http://www.audiosynth.com>
SuperCollider - a real time audio synthesis programming language for
MacOS X.
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