-- -- Copyright (c) 2009-2011, ERICSSON AB -- All rights reserved. -- -- Redistribution and use in source and binary forms, with or without -- modification, are permitted provided that the following conditions are met: -- -- * Redistributions of source code must retain the above copyright notice, -- this list of conditions and the following disclaimer. -- * Redistributions in binary form must reproduce the above copyright -- notice, this list of conditions and the following disclaimer in the -- documentation and/or other materials provided with the distribution. -- * Neither the name of the ERICSSON AB nor the names of its contributors -- may be used to endorse or promote products derived from this software -- without specific prior written permission. -- -- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -- DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE -- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -- SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -- CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, -- OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -- module Feldspar.Core.Frontend.Complex where import Data.Complex (Complex) import Feldspar.Core.Types import Feldspar.Core.Constructs import Feldspar.Core.Constructs.Complex import Feldspar.Core.Frontend.Num import Language.Syntactic complex :: (Numeric a, RealFloat a) => Data a -> Data a -> Data (Complex a) complex = sugarSym MkComplex realPart :: (Numeric a, RealFloat a) => Data (Complex a) -> Data a realPart = sugarSym RealPart imagPart :: (Numeric a, RealFloat a) => Data (Complex a) -> Data a imagPart = sugarSym ImagPart conjugate :: (Numeric a, RealFloat a) => Data (Complex a) -> Data (Complex a) conjugate = sugarSym Conjugate mkPolar :: (Numeric a, RealFloat a) => Data a -> Data a -> Data (Complex a) mkPolar = sugarSym MkPolar cis :: (Numeric a, RealFloat a) => Data a -> Data (Complex a) cis = sugarSym Cis magnitude :: (Numeric a, RealFloat a) => Data (Complex a) -> Data a magnitude = sugarSym Magnitude phase :: (Numeric a, RealFloat a) => Data (Complex a) -> Data a phase = sugarSym Phase polar :: (Numeric a, RealFloat a) => Data (Complex a) -> (Data a, Data a) polar c = (magnitude c, phase c) infixl 6 +. (+.) :: (Numeric a, RealFloat a) => Data a -> Data a -> Data (Complex a) (+.) = complex iunit :: (Numeric a, RealFloat a) => Data (Complex a) iunit = 0 +. 1