Mailing List Archive: 49091 messages
  • Home
  • Script library
  • AltME Archive
  • Mailing list
  • Articles Index
  • Site search

[REBOL] Re: Decimal accuracy

From: joel::neely::fedex::com at: 11-Jan-2003 10:12

Hi, Sunanda, [SunandaDH--aol--com] wrote:
> Chatz: > > I missing something, or does REBOL just decide that, once you > > reach a certain value, accuracy is a moot point? > > I think you are missing the spec for decimal! From the Core manual: > > <<The decimal! data type includes 64-bit standard IEEE floating > point numbers. They are distinguished from integer numbers by > a decimal point. > [snip] Decimal numbers span from 2.2250738585072e-308 up to > 1.7976931348623e+308 and can contain up to 15 digits of > precision.>> > > ... As far as I know, there is no precise spec for how Rebol > handles that rounding. >
IIRC the IEEE Standard (754) itself addresses rounding. A large collection of related reference links can be found at -jn-