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sorted.cpp
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1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Patrick Pekczynski <pekczynski@ps.uni-sb.de>
5  *
6  * Copyright:
7  * Patrick Pekczynski, 2004
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33 
34 #include <gecode/int/sorted.hh>
35 
36 namespace Gecode {
37 
38  void
39  sorted(Home home, const IntVarArgs& x, const IntVarArgs& y,
40  const IntVarArgs& z, IntPropLevel) {
41  using namespace Int;
42  if ((x.size() != y.size()) || (x.size() != z.size()))
43  throw ArgumentSizeMismatch("Int::Sorted");
44  if (same(x,y) || same(x,z) || same(y,z))
45  throw ArgumentSame("Int::Sorted");
46 
48 
49  if (x.size()==0) return;
50 
51  ViewArray<IntView> x0(home,x), y0(home,y), z0(home,z);
52 
54  (Sorted::Sorted<IntView,true>::post(home,x0,y0,z0)));
55  }
56 
57  void
58  sorted(Home home, const IntVarArgs& x, const IntVarArgs& y,
59  IntPropLevel) {
60  using namespace Int;
61  if (x.size() != y.size())
62  throw ArgumentSizeMismatch("Int::Sorted");
63  if (same(x,y))
64  throw ArgumentSame("Int::Sorted");
65 
67 
68  if (x.size()==0) return;
69 
70  ViewArray<IntView> x0(home,x), y0(home,y), z0(home,0);
71 
73  (Sorted::Sorted<IntView,false>::post(home,x0,y0,z0)));
74  }
75 
76 }
77 
78 // STATISTICS: int-post
Bounds consistent sortedness propagator.
Definition: sorted.hh:59
void sorted(Home home, const IntVarArgs &x, const IntVarArgs &y, const IntVarArgs &z, IntPropLevel)
Post propagator that y is x sorted in increasing order.
Definition: sorted.cpp:39
int size(void) const
Return size of array (number of elements)
Definition: array.hpp:1569
Post propagator for SetVar SetOpType SetVar SetRelType SetVar z
Definition: set.hh:767
Passing integer variables.
Definition: int.hh:656
bool same(VarArgArray< Var > x, VarArgArray< Var > y)
Definition: array.hpp:1899
IntPropLevel
Propagation levels for integer propagators.
Definition: int.hh:974
Post propagator for SetVar SetOpType SetVar y
Definition: set.hh:767
Exception: Arguments contain same variable multiply
Definition: exception.hpp:80
Post propagator for SetVar x
Definition: set.hh:767
Gecode toplevel namespace
#define GECODE_POST
Check for failure in a constraint post function.
Definition: macros.hpp:40
Home class for posting propagators
Definition: core.hpp:853
Exception: Arguments are of different size
Definition: exception.hpp:73
#define GECODE_ES_FAIL(es)
Check whether execution status es is failed, and fail space home.
Definition: macros.hpp:103