Re: [Boost-users] cyl_bessel_j performance

Subject: Re: [Boost-users] cyl_bessel_j performance
From: John Maddock (boost.regex_at_[hidden])
Date: 2011-03-12 04:42:00

> Thanks for your reply. Yes, fortunately my charges were completely
> unfounded. I was confused by gcc behaviour. When I compile with 
> explicit -O2
> the timing is roughly same.

Whew :-)

> So, if I may, yet another question. I suppose math::tr1 bessels use math
> implementation, aren't they?

Yes, it's they just use slightly different policies from the default to 
conform to C99's error handling requirements (ie no C++ exceptions get 
thrown).

HTH, John.