sig
val nanc : Complex.t
val log10 : Complex.t -> Complex.t
val sin : Complex.t -> Complex.t
val cos : Complex.t -> Complex.t
val tan : Complex.t -> Complex.t
val asin : Complex.t -> Complex.t
val acos : Complex.t -> Complex.t
val atan : Complex.t -> Complex.t
val sinh : Complex.t -> Complex.t
val cosh : Complex.t -> Complex.t
val tanh : Complex.t -> Complex.t
val asinh : Complex.t -> Complex.t
val acosh : Complex.t -> Complex.t
val atanh : Complex.t -> Complex.t
end