faster random number engine

[Benjamin De Kosnik]

On Wed, 29 Aug 2012 14:34:40 -0400
Ulrich Drepper <drepper@gmail.com> wrote:

> On Wed, Aug 29, 2012 at 11:43 AM, Paolo Carlini
> <paolo.carlini@oracle.com> wro
> > The substance isn't of course. But normally we don't have __gnu_cxx
> > things in the same std header. Can't we have a new ext/random and
> > put it in there? If we can separate the new code to it, I think
> > people would not even object to the target dependency, etc. In ext/
> > we are quite free to do extension / experimental work.
> 
> OK, I moved the definition to ext.  Will check in the result.

Nice! Thanks.

Here's a small patchlet to set the abi version to .18. With this,
check-abi will pass.

tested x86/linux

-benjamin
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