Subject: Re: round() From: pandeng@xxxxxxxxxxxx (Steve Schafer) Date: Tue, 25 May 1999 14:54:55 GMT |
On Tue, 25 May 1999 15:44:08 +0200, you wrote: > Does anybody has an explanation why, in the halfway cases, the even number >is the one to be returned (instead of the bigger one, as is usual and would >be expected)? This is sometimes called "banker's rounding." It's purpose is to eliminate the slight bias that occurs when always rounding upwards. The IEEE floating-point specification, which most CPUs adhere to, specifies this type of rounding as the default behavior. -Steve XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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