Primitive Functions

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> module Prim           (  Ident, Prim(..)
>                       )
> where

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Primitive function definition

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> type Ident            =  String

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> data Prim             =  Sin                          -- trigonometric
>                       |  Cos
>                       |  Tan
>                       |  Cot
>                       |  Exp                          -- exponential
>                       |  Ln
>                       |  Log          -- base: 10
>                       |  Arcsin                       -- arcus
>                       |  Arccos
>                       |  Arctan
>                       |  Arccot
>                       |  Sinh                         -- hyperbolic
>                       |  Cosh
>                       |  Tanh
>                       |  Coth
>                       |  Abs                          -- absolute
>                       deriving ( Eq, Ord, Show )

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