{-# OPTIONS_GHC -fno-warn-tabs #-} {- \$Id: AFRPTestsSwitch.hs,v 1.2 2003/11/10 21:28:58 antony Exp \$ ****************************************************************************** * A F R P * * * * Module: AFRPTestsSwitch * * Purpose: Test cases for switch * * Authors: Antony Courtney and Henrik Nilsson * * * * Copyright (c) Yale University, 2003 * * * ****************************************************************************** -} module AFRPTestsSwitch (switch_tr, switch_trs) where import FRP.Yampa import FRP.Yampa.EventS import AFRPTestsCommon ------------------------------------------------------------------------------ -- Test cases for switch and dSwitch ------------------------------------------------------------------------------ switch_inp1 = deltaEncode 1.0 \$ [1.0, 1.0, 1.0, 2.0, 3.0, 3.0, 4.0, 4.0, 4.0, 5.0, 6.0, 6.0, 7.0, 7.0, 7.0, 8.0] ++ repeat 9.0 switch_t0 = take 18 \$ embed (switch switch_t0a \$ \x -> switch (switch_t0b x) \$ \x -> switch (switch_t0c x) \$ \x -> switch (switch_t0c x) \$ \x -> switch (switch_t0d x) \$ \x -> switch (switch_t0e x) \$ \x -> switch (switch_t0e x) \$ switch_t0final) switch_inp1 switch_t0a :: SF Double (Double, Event Int) switch_t0a = localTime >>> arr dup >>> second (arr (>= 3.0) >>> edge >>> arr (`tag` 17)) switch_t0b :: Int -> SF Double (Double, Event Int) switch_t0b x = localTime >>> arr dup >>> second (arr (>= 3.0) >>> edge >>> arr (`tag` (23 + x))) -- This should raise an event IMMEDIATELY: no time should pass. switch_t0c :: Num b => b -> SF a (a, Event b) switch_t0c x = arr dup >>> second (now (x + 1)) switch_t0d x = (arr (+ (fromIntegral x))) &&& (arr (>= 7.0) >>> edge) -- This should raise an event IMMEDIATELY: no time should pass. switch_t0e :: b -> SF a (a, Event a) switch_t0e _ = arr dup >>> second snap switch_t0final :: Double -> SF Double Double switch_t0final x = arr (+x) switch_t0r = [0.0, 1.0, 2.0, -- switch_t0a 0.0, 1.0, 2.0, -- switch_t0b 46.0, 46.0, 46.0, 47.0, 48.0, 48.0, -- switch_t0d 14.0, 14.0, 14.0, 15.0, 16.0, 16.0 -- switch_t0final ] switch_t1 = take 32 \$ embed (switch_t1rec 42.0) switch_inp1 -- Outputs current input, local time, and the value of the initializing -- argument until some time has passed (determined by integrating a constant), -- at which point an event occurs. switch_t1a :: Double -> SF Double ((Double,Double,Double), Event ()) switch_t1a x = (arr dup >>> second localTime >>> arr (\(a,t) -> (a,t,x))) &&& (constant 0.5 >>> integral >>> (arr (>= (2.0 :: Double)) -- Used to work with no sig. >>> edge)) -- This should raise an event IMMEDIATELY: no time should pass. switch_t1b :: b -> SF a ((Double,Double,Double), Event a) switch_t1b _ = constant (-999.0,-999.0,-999.0) &&& snap switch_t1rec :: Double -> SF Double (Double,Double,Double) switch_t1rec x = switch (switch_t1a x) \$ \x -> switch (switch_t1b x) \$ \x -> switch (switch_t1b x) \$ switch_t1rec switch_t1r = [(1.0,0.0,42.0), (1.0,1.0,42.0), (1.0,2.0,42.0), (2.0,3.0,42.0), (3.0,0.0,3.0), (3.0,1.0,3.0), (4.0,2.0,3.0), (4.0,3.0,3.0), (4.0,0.0,4.0), (5.0,1.0,4.0), (6.0,2.0,4.0), (6.0,3.0,4.0), (7.0,0.0,7.0), (7.0,1.0,7.0), (7.0,2.0,7.0), (8.0,3.0,7.0), (9.0,0.0,9.0), (9.0,1.0,9.0), (9.0,2.0,9.0), (9.0,3.0,9.0), (9.0,0.0,9.0), (9.0,1.0,9.0), (9.0,2.0,9.0), (9.0,3.0,9.0), (9.0,0.0,9.0), (9.0,1.0,9.0), (9.0,2.0,9.0), (9.0,3.0,9.0), (9.0,0.0,9.0), (9.0,1.0,9.0), (9.0,2.0,9.0), (9.0,3.0,9.0)] switch_t2 = take 18 \$ embed (dSwitch switch_t0a \$ \x -> dSwitch (switch_t0b x) \$ \x -> dSwitch (switch_t0c x) \$ \x -> dSwitch (switch_t0c x) \$ \x -> dSwitch (switch_t0d x) \$ \x -> dSwitch (switch_t0e x) \$ \x -> dSwitch (switch_t0e x) \$ switch_t0final) switch_inp1 switch_t2r = [0.0, 1.0, 2.0, -- switch_t0a 3.0, 1.0, 2.0, -- switch_t0b 3.0, 46.0, 46.0, 47.0, 48.0, 48.0, -- switch_t0d 49.0, 14.0, 14.0, 15.0, 16.0, 16.0 -- switch_t0final ] switch_t3 = take 32 \$ embed (switch_t3rec 42.0) switch_inp1 switch_t3rec :: Double -> SF Double (Double,Double,Double) switch_t3rec x = dSwitch (switch_t1a x) \$ \x -> dSwitch (switch_t1b x) \$ \x -> dSwitch (switch_t1b x) \$ switch_t3rec switch_t3r = [(1.0,0.0,42.0), (1.0,1.0,42.0), (1.0,2.0,42.0), (2.0,3.0,42.0), (3.0,4.0,42.0), (3.0,1.0,3.0), (4.0,2.0,3.0), (4.0,3.0,3.0), (4.0,4.0,3.0), (5.0,1.0,4.0), (6.0,2.0,4.0), (6.0,3.0,4.0), (7.0,4.0,4.0), (7.0,1.0,7.0), (7.0,2.0,7.0), (8.0,3.0,7.0), (9.0,4.0,7.0), (9.0,1.0,9.0), (9.0,2.0,9.0), (9.0,3.0,9.0), (9.0,4.0,9.0), (9.0,1.0,9.0), (9.0,2.0,9.0), (9.0,3.0,9.0), (9.0,4.0,9.0), (9.0,1.0,9.0), (9.0,2.0,9.0), (9.0,3.0,9.0), (9.0,4.0,9.0), (9.0,1.0,9.0), (9.0,2.0,9.0), (9.0,3.0,9.0)] -- The correct strictness properties of dSwitch are crucial here. -- switch does not work. switch_t4 = take 25 \$ embed (loop \$ dSwitch switch_t4a \$ \_ -> dSwitch switch_t4a \$ \_ -> dSwitch switch_t4a \$ \_ -> switch_t4final ) (deltaEncode 1.0 (repeat ())) switch_t4a :: SF (a, Double) ((Double, Double), Event ()) switch_t4a = (constant 1.0 >>> integral >>> arr dup) &&& (arr (\ (_, x) -> x >= 5.0) >>> edge) switch_t4final :: SF (a, Double) (Double, Double) switch_t4final = constant 0.1 >>> integral >>> arr dup switch_t4r = [0.0, 1.0, 2.0, 3.0, 4.0, -- switch_t4a 5.0, 1.0, 2.0, 3.0, 4.0, -- switch_t4a 5.0, 1.0, 2.0, 3.0, 4.0, -- switch_t4a 5.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9 -- switch_t4final ] impulseIntegral2 :: VectorSpace a s => SF (a, Event a) a impulseIntegral2 = switch (first integral >>> arr (\(a, ea) -> (a, fmap (^+^ a) ea))) impulseIntegral2' where impulseIntegral2' :: VectorSpace a s => a -> SF (a, Event a) a impulseIntegral2' a = switch ((integral >>> arr (^+^ a)) *** notYet >>> arr (\(a, ea) -> (a, fmap (^+^ a) ea))) impulseIntegral2' switch_t5 :: [Double] switch_t5 = take 50 \$ embed impulseIntegral2 (deltaEncode 0.1 (zip (repeat 1.0) evSeq)) where evSeq = replicate 9 NoEvent ++ [Event 10.0] ++ replicate 9 NoEvent ++ [Event (-10.0)] ++ evSeq switch_t5r = [ 0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 10.9, 11.0, 11.1, 11.2, 11.3, 11.4, 11.5, 11.6, 11.7, 11.8, 1.9, 2.0, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 12.9, 13.0, 13.1, 13.2, 13.3, 13.4, 13.5, 13.6, 13.7, 13.8, 3.9, 4.0, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7, 4.8, 14.9] switch_trs = [ switch_t0 ~= switch_t0r, switch_t1 ~= switch_t1r, switch_t2 ~= switch_t2r, switch_t3 ~= switch_t3r, switch_t4 ~= switch_t4r, switch_t5 ~= switch_t5r ] switch_tr = and switch_trs