GMP (GNU multiple precision) wrapper for D?

[Michael Kiermaier]

Matthias Walter Wrote:

> Don Clugston Wrote:
> 
> > Michael Kiermaier wrote:
> > > Hello,
> > > 
> > > I like D more and more.
> > > 
> > > However, one thing I am missing up to now is a D wrapper for GMP (GNU multiple precision library), like the existing C++ wrapper classes.
> > > 
> > > Searching for "D programming gmp" with google gives some pages which link to this homepage:
> > > http://home.comcast.net/~benhinkle/
> > > 
> > > But I cannot find a D wrapper there.
> > 
> > I found I have a copy of it. It'll need work to make it compile with recent DMD.
> > But it's very old, and D has improved a lot since then. You might be better just 
> > running htod or bcd over the gmp headers.
> > 
> > 
> 
> Did anyone take the time and port it? If not, I would start a project at dsource.org and do it. What about Ben Hinkle's port? Is it active, can one get his sources somewhere?
> 
> AFAICS, for a port, one would not need to use template metaprogramming like the original authors did in the original gmpxx headers, because classes in D are by reference. Am I right there? At least, for the following examples, there were no unnecessary temporaries:
> 
> a = b + c; // constructor of mpz_class was called once, so temporary was assigned directly to the new reference a, without copying data.
> a = (b+c) / (d+e); // constructor was called three times, for (b+c), for (d+e) and for the result.
> 
> Any ideas or corrections?
> 
> best regards
> Matthias Walter

I don't believe that anyone started a new GMP project for D up to now.
Don Clugston (dac at nospam.com.au) claimed to have a copy of the old code of Ben Hincle. You could try to contact him directly.

I would be very happy to see a working GMP wrapper class for D.

~michael