{-# LANGUAGE NoImplicitPrelude #-} module Algebra.RealField ( C, ) where import qualified Algebra.Field as Field import qualified Algebra.RealRing as RealRing import qualified Algebra.PrincipalIdealDomain as PID import qualified Algebra.ToInteger as ToInteger import qualified Number.Ratio as Ratio -- import NumericPrelude.Base import qualified Prelude as P import Prelude (Float, Double, ) {- | This is a convenient class for common types that both form a field and have a notion of ordering by magnitude. -} class (RealRing.C a, Field.C a) => C a where instance C Float where instance C Double where instance (ToInteger.C a, PID.C a) => C (Ratio.T a) where