odeiv: Runge-Kutta 9(8)

[Brian Gough]

Jerome BENOIT writes:
 > The best that I can is that rk8pd is 8(7) and rk9t is 9(8):
 > for SDEs (Stochastic Differential Equations) this seems to matter
 > as the effective order has to be divived by 2.
 > 
 > How to proceed ?
 
Can you make a standalone extension file and a web page describing it.
I will make a link to it from the "Extensions" section of the GSL 
webpage http://www.gnu.org/software/gsl/#extensions

Thanks,

-- 
Brian Gough