4 ms·

of interest may be the cyclotomic (http://hackage.haskell.org/packages/archive/cyclotomic/0.3.1/doc/html/Data-Complex-Cyclotomic.html http://hackage.haskell.org

by hcase 13y ago

of interest may be the cyclotomic (http://hackage.haskell.org/packages/archive/cyclotomic/0.3.1/doc/html/Data-Complex-Cyclotomic.html http://hackage.haskell.org/packages/archive/cyclotomic/0.3.1...) package for haskell, which can perform exact computation on a decent amount of values.