Re: [boost] [xint] Third release is ready, requesting preliminary review

Subject: Re: [boost] [xint] Third release is ready, requesting preliminary review
From: Chad Nelson (chad.thecomfychair_at_[hidden])
Date: 2010-05-01 14:05:01

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

>>>> however so far i have a suggestion about fixed_integer
>>>> for me it is counter intuitive that a fixed_integer<N> allocates
>>>> memory on the heap rather than on the stack [...]
>>
>>> That was a tough decision. I started out with it on the heap, but
>>> there's no way to use the more-efficient swap(), operator=, or copy/move
>>> constructors that way. The best choice came down to which set of
>>> operations happens more commonly: swapping and assignment or creating a
>>> new object. I have no way of objectively measuring that for other
>>> people's code, but for my own, swapping and assignment edge out object
>>> creation, slightly.
>>
>> that argument is enough for me and anyway it's _your_ decision
>> i only make a suggestion
> 
> What about implementing both strategies, either as separated
> classes, or adding a template parameter?

It could be done with separated classes, but I don't see any way to do
it with a template parameter; the array would have to be included in the
class itself if it was ever going to be used, and I don't know of any
way to eliminate it via a template parameter.
- -- 
Chad Nelson
Oak Circle Software, Inc.
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