What does this mean?

[Mike Stump]

> To: gcc@gcc.gnu.org
> From: nbecker@fred.net
> Date: 06 Apr 2001 13:12:35 -0400

> In the following diagnostic, why does "(+rng)" mean?

> TestSigGen.cc:30:   instantiated from here
> SigGen.H:41: could not convert 
> `uniform_real<boost::random::mersenne_twister<long unsigned int, 624, 
> 397, 31, -1727483681, 11, 7, -1658038656, 15, -272236544, 18, 
> -948541730>,double>((+rng), 0x000000000000000000000000, 
> 0x000000c06821a2da0fc90140)' to `boost::uniform_real<rng_t, double> &'
> SigGen.H:18: in passing argument 3 of `maybe_random<Rng>::maybe_random 
> (bool, typename Rng::result_type, Rng &) [with Rng = 
> boost::uniform_real<rng_t, double>]'

Just a wild ass guess, but is it the name of a user declared variable
in the source code fed to the compiler?  I noticed that you didn't ask
what 0x000000c06821a2da0fc90140 meant.