Re: [boost] [Multiprecision] Does MP use references internally?

Subject: Re: [boost] [Multiprecision] Does MP use references internally?
From: John Maddock (john_at_[hidden])
Date: 2013-06-20 03:56:33

> This may be an artifact of the compiler's error reporting mechanism, but 
> the
> errors' expansion of the MultiPrecision type I'm using has reference types
> in it.  Types from Boost.MP seem to be a shell class template that wraps 
> an
> engine and several options.  Some of the errors that pop up when using
> Boost.MP when using Boost.Test with my custom complex-number class:
>
>
>
> -          Boost.MPL calls within Boost.Test complain that it's trying to
> get a pointer to a reference.
>
> -          My own code uses arrays everywhere, and I get errors about 
> making
> arrays to references.  I'm not doing anything (too) advanced.
>
>
>
> Is Boost.MP giving users references-to-types instead of class types when
> requesting a numeric type?  Pointers may be objects in and of themselves,
> but references aren't; they're just aliases; trying to intentionally use
> them as first-class objects is arguably broken.

No there are no references pretending to be real objects anywhere, that 
wouldn't work as you say.

Apologies but I haven't got around to looking at your test case yet, will do 
shortly (I hope!),  John.