> I'm trying to solve a taugh numerical problem: finding the roots of a
> non-linear set of equation.
> I need to go beyond the double precision (Real(8) and Complex(8)).
> Is it possible to achieve this in Fortran 90?
> Thank you very much in advance for your help.
Many processors support quad precision. For more generality, try
http://www.nersc.gov/~dhbailey/mpdist/mpdist.html
There's a page with a short description at
http://www.scicomp.uni-erlangen.de/letter/v01n07/s1
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