Re: [boost] [xint] granularity

Subject: Re: [boost] [xint] granularity
From: Chad Nelson (chad.thecomfychair_at_[hidden])
Date: 2010-05-03 14:15:28

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On 05/03/2010 01:45 PM, vicente.botet wrote:

> N1692 talks about granularity "For the operations on the integer
> data, its granularity must be defined, that is how wide are the data
> chunks that are operated on".  Which is the granularity for Xint?

It varies depending on the environment. The abstration is the
detail::digit_t type, which is defined as (at least) half the size of
detail::doubledigit_t, which is boost::uintmax_t. That allows for the
most processor-efficient computations that can be done without an
assembly-language module.
- -- 
Chad Nelson
Oak Circle Software, Inc.
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