Re: [boost] [review] Multiprecision review (June 8th - 17th, 2012)

Subject: Re: [boost] [review] Multiprecision review (June 8th - 17th, 2012)
From: John Maddock (boost.regex_at_[hidden])
Date: 2012-06-29 08:12:40

> I do not see any mention if this is the case for gmp_int and/or tom_int. 
> If it is not the same then a programmer constructing an mp_number using a 
> cpp_int_backend<> which passes a string potentially containing an invalid 
> non_numeric character must handled the mp_number constructor differently 
> than when constructing using a gmp_int or a tom_int backend. But ideally 
> one wants to choose any effective backend and then have all functionality 
> be consistently the same and hopefully equally as correct as possible. My 
> point is simply that I believe the library should normalize ( or 
> "regularize" ) any differences as much as possible as long as this does 
> not affect the accuracy ( and perhaps speed ) of the library. Of course 
> there are always tradeoffs but a generic library should always work to 
> minimize differences wherever possible.

Nod.  I will certainly try and normalize behavior where practical, and those 
are good examples to look at further,

Thanks, John.