1a373b84eb
Tests from image_filters Examples of array iterators used
51 lines
925 B
Text
51 lines
925 B
Text
(* include "notsameperiod2.lus" *)
|
|
|
|
type data = int
|
|
|
|
const v:data = 0
|
|
|
|
node current (v : data; c : bool; u : data)
|
|
returns (o : data)
|
|
let
|
|
o = merge c u ((v fby o) whenot c)
|
|
tel
|
|
|
|
node mem (v : data; cw : bool; u : data)
|
|
returns (o : data)
|
|
let
|
|
o = v fby (current (v, cw, u))
|
|
tel
|
|
|
|
node mcounter (start, limit : int)
|
|
returns (o : int)
|
|
let
|
|
o = (start -> (pre o + 1)) % limit;
|
|
tel
|
|
|
|
node twonodes (cw, cr : bool)
|
|
returns (ok : bool)
|
|
var uw, ur : int;
|
|
let
|
|
uw = mcounter((0, 5) when cw);
|
|
ur = mem(v, cw, uw) when cr;
|
|
ok = (mem(v, cr, ur) = mem(v, cw, uw))
|
|
or (mem(v, cr, ur)= mem(v, cw, v fby uw))
|
|
or (mem(v, cr, ur) = mem(v, cw, v fby v fby uw));
|
|
tel
|
|
|
|
(*
|
|
node verify (cw, cr : bool)
|
|
returns (ok : bool)
|
|
let
|
|
ok = twonodes(cw, cr);
|
|
assert(not notsameperiod2(cw, cr));
|
|
tel
|
|
*)
|
|
|
|
node main() returns (ok:bool)
|
|
var cw, cr : bool;
|
|
let
|
|
cw = false fby not cw;
|
|
cr = not cw;
|
|
ok = twonodes(cw,cr);
|
|
tel
|