[gecode-users] sum of IntArgs

[Christian Schulte]

Will add it to the trunk after holidays. C

--
Christian Schulte, www.ict.kth.se/~cschulte


-----Original Message-----
From: users-bounces at gecode.org [mailto:users-bounces at gecode.org] On Behalf
Of Philippe
Sent: Monday, August 12, 2013 05:18 PM
To: users at gecode.org
Subject: [gecode-users] sum of IntArgs


Hi to all Geocode authors,


I needed to compute the sum of IntArgs the same way we compute the sum of
IntVarArray. Tell me if i'm wrong, but it seems that this facility is not
natively provided by Gecode. 

For now, i use my own implementation which do the job (i'm not sure of the
code below but it seems to work).

Don't you think this facility could be useful for other and thus natively
provided by Gecode ?


Anyway, congratulations for your work. I'm a new user of Gecode and I
really like it !

Cheers,
Philippe


 LinIntExpr 
 sum(const Slice<IntArgs>& slice)
 {
   const Slice<IntArgs>::ArgsType & args = slice;
   return sum(args);
 }

 LinIntExpr 
 sum(const Matrix<IntArgs>& matrix)
 {
   const Matrix<IntArgs>::ArgsType & args = matrix.get_array();
   return sum(args);
 }


 LinIntExpr
 sum(const IntArgs& args)
 {
  int i, sum = 0;
  const int size = args.size();

  for (i = 0 ; i < size ; ++i)    
  {
    sum += args[i];
  }

  return LinIntExpr(sum);
 }




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