MATLAB爱好者论坛-LabFans.com - 查看单个帖子 - Round, With Tie Breakers, Round Three

poster · 2021-04-24, 17:42

I recently published Round, With Ties to Even and followed that with Round Two. Then, in an email, Andy Bartlett pointed out that my new round function fails for some large values of x between flintmax/2 and flintmax.

Contentsflintmax/2 Rounding round testflintmax/2The quantity f = flintmax/2 is equal to 2^52, which is 1/eps. The help entry for format bank says it is a fixed format for dollars and cents. That's true, but I also like to use it for displaying large flints.

format bank f = flintmax/2f = 4503599627370496.00The

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2021-04-24, 17:42	#1
poster 高级会员注册日期: 2019-11-21 帖子: 3,006 声望力: 66	Round, With Tie Breakers, Round Three - Cleve Moler on Mathematics and Computing I recently published Round, With Ties to Even and followed that with Round Two. Then, in an email, Andy Bartlett pointed out that my new round function fails for some large values of x between flintmax/2 and flintmax. Contentsflintmax/2 Rounding round testflintmax/2The quantity f = flintmax/2 is equal to 2^52, which is 1/eps. The help entry for format bank says it is a fixed format for dollars and cents. That's true, but I also like to use it for displaying large flints. format bank f = flintmax/2f = 4503599627370496.00The ...read more >> More...