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Re: Getting a handle on inf

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Re: Getting a handle on inf

Subject: Re: Getting a handle on inf
From: Andrew Farmer <email@hidden>
Date: Mon, 26 Oct 2009 18:41:28 -0700

On 26 Oct 2009, at 12:11, Ian Piper wrote:

...and I still get a failed build with this message:

Expecting inf; we got inf

Which seems odd.

And internally, this is because the IEEE float machinery guarantees that all infinite and NaN values compare as not-equal to each other, so that 1/0 != 2/0, 1e100 != 1e100 + 1, and so on. Sadly, this also means that some floats will compare as not equal to themselves -- an unfortunate, but necessary result. _______________________________________________

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References:  
  >Getting a handle on inf (From: Ian Piper <email@hidden>)
  >Re: Getting a handle on inf (From: Greg Parker <email@hidden>)
  >Re: Getting a handle on inf (From: Ian Piper <email@hidden>)




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