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Re: Supressing Set statements

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Joe Riel wrote:
> "I.N. Galidakis" <morpheus@olympus.mons> writes:
> 
>> Hi everyone,
>> 
>> Does anyone know how to suppress set statements on the output?
>> 
>> I have the following declarations in Maple 9:
>> 
>> E:={}:#board encodings
>> 
>> and later on, in a procedure, I augment E by the current board
>> encoding: 
>> 
>>> move:=proc(p,q,n,c1,r1,c2,r2)
>>> global E;
>>> if p[c1,r1]<>[] then
>>>  if n<>0 then rotate(p,c1,r1,n);fi;
>>>  if fits(p,q,c1,r1,c2,r2) then
>>>   q[c2,r2]:=p[c1,r1];#set to puzzle
>>>   p[c1,r1]:=[];#remove from board
>>>   print("moving:",n,c1,r1,"->",c2,r2);
>>>   stack[push]([n,c1,r1,c2,r2], S);#push into stack of moves
>>>   E:=E union {enc(q)}:#add new state to set of states
>>>  else
>>>   print("Illegal move!");
>>>  fi;
>>> else
>>>  print("Source is empty!");
>>> fi;
>>> end:
>> 
>> In my loop, I call:
>> 
>>> while pef(q)<202 do
>>> gen(p,q);#creates G
>>>  while G=[] do
>>>   undo(p,q):
>>>   gen(p,q):
>>>  od;
>>>  bm:=pick(p,q):
>>>  while bm=0 do
>>>   undo(p,q):
>>>   gen(p,q):
>>>   bm:=pick(p,q):
>>>  od;
>>>  #print("Picking move in G:",bm,nops(NE));
>>>  #print("Generated:",G);print("New States:",NE);
>>>  move(p,q,G[bm][1],G[bm][2],G[bm][3],G[bm][4],G[bm][5]):
>>> od;
>> 
>> When I run the above loop, I get a repeated and growing set E on the
>> output, DESPITE having supressed all statements relating to E, which
>> I don't want to see (unless I am debugging) because it contains very
>> big numbers, is very big in size and slows Maple down a lot, because
>> this is a puzzle search, so it can take zillions of tries.
>> 
>> How can I suppress the output of the set E?
>> 
>> Maybe if I declare it as something else? A list?
> 
> A colon as line terminator to suppress output only has an effect
> at the outermost level.  Here you would suppress all output in the
> loop by terminating the final 'od' with a colon.  The colons
> on the statements inside the loop might as well be semicolons.

Thanks. A colon on the last loop did it.
-- 
I.

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Thread

Supressing Set statements "I.N. Galidakis" <morpheus@olympus.mons> - 2011-09-16 23:27 +0300
  Re: Supressing Set statements Joe Riel <joer@san.rr.com> - 2011-09-16 15:41 -0700
    Re: Supressing Set statements "I.N. Galidakis" <morpheus@olympus.mons> - 2011-09-17 02:13 +0300
  Re: Supressing Set statements Philo D <doozy@earthling.net.invalid> - 2011-09-17 07:54 -0600

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