Thanks -- that's good to know. Best,
luke On Fri, 23 Feb 2007, Jeffrey J. Hallman wrote: > The 64 bit version of VisualWorks Smalltalk has an immediate ShortDouble, > which sacrifices two bits of exponent for a tag. It thus has the same > precision as an IEEE double, but one fourth as much range. Overflows > automatically get promoted to ordinary Double's, which are pointers to objects > holding real IEEE doubles. > > Luke Tierney <[EMAIL PROTECTED]> writes: >> Systems that >> support integer scalars often represent them as immediate values within >> pointers by sacrificing one or two bits of precision in the integers, >> but that doesn't work for double precision floats except possibly on >> 64-bit systems. > > -- Luke Tierney Chair, Statistics and Actuarial Science Ralph E. Wareham Professor of Mathematical Sciences University of Iowa Phone: 319-335-3386 Department of Statistics and Fax: 319-335-3017 Actuarial Science 241 Schaeffer Hall email: [EMAIL PROTECTED] Iowa City, IA 52242 WWW: http://www.stat.uiowa.edu ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.