Floating.hs

{-# LANGUAGE GADTs #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE TypeOperators #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE UndecidableInstances #-}
{-# LANGUAGE MultiParamTypeClasses #-}

--
-- Copyright (c) 2009-2011, ERICSSON AB
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module Feldspar.Core.Constructs.Floating
    ( FLOATING (..)
    ) where

import Language.Syntactic
import Language.Syntactic.Constructs.Binding

import Feldspar.Core.Types
import Feldspar.Core.Interpretation

data FLOATING a
  where
    Pi      :: (Type a, Floating a) => FLOATING (Full a)
    Exp     :: (Type a, Floating a) => FLOATING (a :-> Full a)
    Sqrt    :: (Type a, Floating a) => FLOATING (a :-> Full a)
    Log     :: (Type a, Floating a) => FLOATING (a :-> Full a)
    Pow     :: (Type a, Floating a) => FLOATING (a :-> a :-> Full a)
    LogBase :: (Type a, Floating a) => FLOATING (a :-> a :-> Full a)
    Sin     :: (Type a, Floating a) => FLOATING (a :-> Full a)
    Tan     :: (Type a, Floating a) => FLOATING (a :-> Full a)
    Cos     :: (Type a, Floating a) => FLOATING (a :-> Full a)
    Asin    :: (Type a, Floating a) => FLOATING (a :-> Full a)
    Atan    :: (Type a, Floating a) => FLOATING (a :-> Full a)
    Acos    :: (Type a, Floating a) => FLOATING (a :-> Full a)
    Sinh    :: (Type a, Floating a) => FLOATING (a :-> Full a)
    Tanh    :: (Type a, Floating a) => FLOATING (a :-> Full a)
    Cosh    :: (Type a, Floating a) => FLOATING (a :-> Full a)
    Asinh   :: (Type a, Floating a) => FLOATING (a :-> Full a)
    Atanh   :: (Type a, Floating a) => FLOATING (a :-> Full a)
    Acosh   :: (Type a, Floating a) => FLOATING (a :-> Full a)

instance Semantic FLOATING
  where
    semantics Pi      = Sem "pi"      Prelude.pi
    semantics Exp     = Sem "exp"     Prelude.exp
    semantics Sqrt    = Sem "sqrt"    Prelude.sqrt
    semantics Log     = Sem "log"     Prelude.log
    semantics Pow     = Sem "(**)"    (Prelude.**)
    semantics LogBase = Sem "logBase" Prelude.logBase
    semantics Sin     = Sem "sin"     Prelude.sin
    semantics Tan     = Sem "tan"     Prelude.tan
    semantics Cos     = Sem "cos"     Prelude.cos
    semantics Asin    = Sem "asin"    Prelude.asin
    semantics Atan    = Sem "atan"    Prelude.atan
    semantics Acos    = Sem "acos"    Prelude.acos
    semantics Sinh    = Sem "sinh"    Prelude.sinh
    semantics Tanh    = Sem "tanh"    Prelude.tanh
    semantics Cosh    = Sem "cosh"    Prelude.cosh
    semantics Asinh   = Sem "asinh"   Prelude.asinh
    semantics Atanh   = Sem "atanh"   Prelude.atanh
    semantics Acosh   = Sem "acosh"   Prelude.acosh

semanticInstances ''FLOATING

instance EvalBind FLOATING where evalBindSym = evalBindSymDefault

instance AlphaEq dom dom dom env => AlphaEq FLOATING FLOATING dom env
  where
    alphaEqSym = alphaEqSymDefault

instance Sharable FLOATING

instance Monotonic FLOATING

instance SizeProp (FLOATING :|| Type)
  where
    sizeProp (C' s) = sizePropDefault s

instance ( (FLOATING :|| Type) :<: dom
         , OptimizeSuper dom)
      => Optimize (FLOATING :|| Type) dom
  where
    constructFeatUnOpt opts a@(C' _) = constructFeatUnOptDefault opts a