method neg = self#prim1 (fun t -> (self#at t)#neg)
method floor = self#prim1 (fun t -> (self#at t)#floor)
+ method ceil = self#prim1 (fun t -> (self#at t)#ceil)
+ method rint = self#prim1 (fun t -> (self#at t)#rint)
method sin = self#prim1 (fun t -> (self#at t)#sin)
+ method asin = self#prim1 (fun t -> (self#at t)#asin)
method cos = self#prim1 (fun t -> (self#at t)#cos)
+ method acos = self#prim1 (fun t -> (self#at t)#acos)
+ method tan = self#prim1 (fun t -> (self#at t)#tan)
method atan = self#prim1 (fun t -> (self#at t)#atan)
+ method exp = self#prim1 (fun t -> (self#at t)#exp)
method sqrt = self#prim1 (fun t -> (self#at t)#sqrt)
+ method ln = self#prim1 (fun t -> (self#at t)#ln)
+ method lg = self#prim1 (fun t -> (self#at t)#lg)
method int = self#prim1 (fun t -> (self#at t)#int)
+ method float = self#prim1 (fun t -> (self#at t)#float)
+ method abs = self#prim1 (fun t -> (self#at t)#abs)
method add = self#prim2 (fun t -> (self#at t)#add)
method sub = self#prim2 (fun t -> (self#at t)#sub)
method mul = self#prim2 (fun t -> (self#at t)#mul)
method div = self#prim2 (fun t -> (self#at t)#div)
+ method power = self#prim2 (fun t -> (self#at t)#power)
+ method _and = self#prim2 (fun t -> (self#at t)#_and)
+ method _or = self#prim2 (fun t -> (self#at t)#_or)
+ method _xor = self#prim2 (fun t -> (self#at t)#_xor)
method atan2 = self#prim2 (fun t -> (self#at t)#atan2)
method _mod = self#prim2 (fun t -> (self#at t)#_mod)
- method larger = self#prim2 (fun t -> (self#at t)#larger)
- method smaller = self#prim2 (fun t -> (self#at t)#smaller)
+ method fmod = self#prim2 (fun t -> (self#at t)#fmod)
+ method remainder = self#prim2 (fun t -> (self#at t)#remainder)
+ method gt = self#prim2 (fun t -> (self#at t)#gt)
+ method lt = self#prim2 (fun t -> (self#at t)#lt)
+ method geq = self#prim2 (fun t -> (self#at t)#geq)
+ method leq = self#prim2 (fun t -> (self#at t)#leq)
+ method eq = self#prim2 (fun t -> (self#at t)#eq)
+ method neq = self#prim2 (fun t -> (self#at t)#neq)
method max = self#prim2 (fun t -> (self#at t)#max)
method min = self#prim2 (fun t -> (self#at t)#min)
self#at ((s_index#at t)#to_int) in
new signal freq func
+ method rwtable : signal_type -> signal_type ->
+ signal_type -> signal_type -> signal_type =
+ fun init -> fun wstream -> fun windex -> fun rindex ->
+ let freq = self#check_freq [init; wstream; windex; rindex] in
+ let () = init#add_memory ((self#at 0)#to_int) in
+ let () = wstream#add_memory ((self#at 0)#to_int) in
+ let func : time -> value_type = fun (ti : time) ->
+ let rec table : time -> index -> value_type =
+ fun t -> fun i ->
+ if t > 0 then
+ (if i = (windex#at t)#to_int then (wstream#at t)
+ else table (t - 1) i)
+ else if t = 0 then
+ (if i = (windex#at 0)#to_int then (wstream#at 0)
+ else init#at i)
+ else raise (Signal_operation "signal time should be > 0") in
+ table ti ((rindex#at ti)#to_int) in
+ new signal freq func
+
method select2 : signal_type -> signal_type -> signal_type =
fun s_first ->
fun s_second ->