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    about Floating-Point Arithmetic}  ACM Computing Surveys, \bold{23(1)}.\cr
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    about Floating-Point Arithmetic}  ACM Computing Surveys, \bold{23(1)}.\cr
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  Postscript version available at
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  Postscript version available at
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  \url{http://www.validlab.com/goldberg/paper.ps}
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  \url{http://www.validlab.com/goldberg/paper.ps}
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  Extended PDF version at \url{http://www.validlab.com/goldberg/paper.pdf}
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  Extended PDF version at \url{http://www.validlab.com/goldberg/paper.pdf}
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  The C99 function \code{isfinite} is used for \code{is.finite} if available.
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  The C99 function \code{isfinite} is used for \code{is.finite}.
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}
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}
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\examples{
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\examples{
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pi / 0 ## = Inf a non-zero number divided by zero creates infinity
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pi / 0 ## = Inf a non-zero number divided by zero creates infinity
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0 / 0  ## =  NaN
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0 / 0  ## =  NaN
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