RE: [Boost-users] Mathematical expressions with containers

From: Hurd, Matthew (hurdm_at_[hidden])
Date: 2004-02-18 20:40:39

> Russell Hind
> Subject: [Boost-users] Mathematical expressions with containers
> 
> Currently I'm doing more and more mathematical calculations on
> containers, and wondered if there is any library out there that allows
> containers to be placed in expressions without having to use
> transform/for_each etc.
> 
> e.g.
> 
> std::vector<std::complex<double> > V1;
> std::vector<std::complex<double> > V2;
> double C1, C2;
> 
> ...
> 
> std::vector<std::complex<double> > Result;
> 
>     Result = C1 + V2 / (V1 * C2);
> 
> while would be equivalent to (assuming Result has been resized)
> 
> (I'm currently using a mixture of transforms and spirit::phoenix
> (because lambda doesn't work with my compiler))
> 
> transform(V1.begin(), V1.end(), V2.begin(),
>            Result.begin(),
>            C1 + phoenix::arg2 / (phoenix::arg1 * C2));
> 
> Or something to this effect that will aid with this.
> 
> Cheers
> 
> Russell

Seems to my quick glance you are asking for some vector operations.
Have you looked at boost's ublas?

Regards,

Matt Hurd.

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