Jip J. Dekker
2572df0663
git-subtree-dir: software/gecode_base git-subtree-split: bbefcea214fec798a0f5acc442581984555acd21
112 lines
3.4 KiB
C++
Executable File
112 lines
3.4 KiB
C++
Executable File
/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
|
|
/*
|
|
* Main authors:
|
|
* Christopher Mears <Chris.Mears@monash.edu>
|
|
*
|
|
* Contributing authors:
|
|
* Christian Schulte <schulte@gecode.org>
|
|
*
|
|
* Copyright:
|
|
* Christopher Mears, 2011
|
|
* Christian Schulte, 2011
|
|
*
|
|
* This file is part of Gecode, the generic constraint
|
|
* development environment:
|
|
* http://www.gecode.org
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
#include "test/int.hh"
|
|
|
|
namespace Test { namespace Int {
|
|
|
|
/// %Tests for value precedence constraints
|
|
namespace Precede {
|
|
|
|
/// %Test for single value precedence constraint
|
|
class Single : public Test {
|
|
private:
|
|
/// The values for precedence
|
|
int s, t;
|
|
public:
|
|
/// Create and register test
|
|
Single(int s0, int t0)
|
|
: Test("Precede::Single::"+str(s0)+"<"+str(t0),8,1,4),
|
|
s(s0), t(t0) {}
|
|
/// %Test whether \a x is solution
|
|
virtual bool solution(const Assignment& x) const {
|
|
int n = x.size();
|
|
for (int i = 0 ; i < n ; i++) {
|
|
if (x[i] == t)
|
|
return false;
|
|
if (x[i] == s)
|
|
return true;
|
|
}
|
|
return true;
|
|
}
|
|
/// Post constraint on \a x
|
|
virtual void post(Gecode::Space& home, Gecode::IntVarArray& x) {
|
|
Gecode::precede(home, x, s, t);
|
|
}
|
|
};
|
|
|
|
/// %Test for multiple value precedence constraint
|
|
class Multi : public Test {
|
|
private:
|
|
/// The values for precedence
|
|
Gecode::IntArgs c;
|
|
public:
|
|
/// Create and register test
|
|
Multi(const Gecode::IntArgs& c0)
|
|
: Test("Precede::Multi::"+str(c0),6,1,5), c(c0) {
|
|
contest = CTL_NONE;
|
|
}
|
|
/// %Test whether \a x is solution
|
|
virtual bool solution(const Assignment& x) const {
|
|
for (int j=0; j<c.size()-1; j++)
|
|
for (int i=0; i<x.size(); i++) {
|
|
if (x[i] == c[j+1])
|
|
return false;
|
|
if (x[i] == c[j])
|
|
break;
|
|
}
|
|
return true;
|
|
}
|
|
/// Post constraint on \a x
|
|
virtual void post(Gecode::Space& home, Gecode::IntVarArray& x) {
|
|
Gecode::precede(home, x, c);
|
|
}
|
|
};
|
|
|
|
Single _a(2, 3);
|
|
Single _b(1, 4);
|
|
|
|
Multi _c(Gecode::IntArgs({1,2,3}));
|
|
Multi _d(Gecode::IntArgs({3,2,1}));
|
|
Multi _e(Gecode::IntArgs({4,2,3,1}));
|
|
|
|
}
|
|
|
|
}}
|
|
|
|
// STATISTICS: test-int
|