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Re: [ft-devel] What is 26.6 fractional points?


From: Ken Sharp
Subject: Re: [ft-devel] What is 26.6 fractional points?
Date: Thu, 14 Jan 2010 08:13:56 +0000

At 19:21 13/01/2010 +0000, rsr wrote:
Hi,
Can any one please explain me what is

nominal width, 26.6 fractional points

Its a way of representing a non-integer number in a 32-bit word. The first 26 bits are used to represent the integer portion of the number so the integer can vary from 0 to 67,108,864. The remaining 6 are used to represent the fractional portion.

Do a Google for fixed precision arithmetic or see Wikipedia

http://en.wikipedia.org/wiki/Fixed-point_arithmetic

You *are* a software developer, right ?






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