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dekker.one
1/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2/*
3 * Main authors:
4 * Christian Schulte <schulte@gecode.org>
5 * Vincent Barichard <Vincent.Barichard@univ-angers.fr>
6 *
7 * Copyright:
8 * Christian Schulte, 2005
9 * Vincent Barichard, 2012
10 *
11 * This file is part of Gecode, the generic constraint
12 * development environment:
13 * http://www.gecode.org
14 *
15 * Permission is hereby granted, free of charge, to any person obtaining
16 * a copy of this software and associated documentation files (the
17 * "Software"), to deal in the Software without restriction, including
18 * without limitation the rights to use, copy, modify, merge, publish,
19 * distribute, sublicense, and/or sell copies of the Software, and to
20 * permit persons to whom the Software is furnished to do so, subject to
21 * the following conditions:
22 *
23 * The above copyright notice and this permission notice shall be
24 * included in all copies or substantial portions of the Software.
25 *
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
30 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
31 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
32 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 *
34 */
35
36#include "test/float.hh"
37
38#include <gecode/minimodel.hh>
39
40namespace Test { namespace Float {
41
42 /// %Tests for domain constraints
43 namespace Dom {
44
45 /**
46 * \defgroup TaskTestFloatDom Domain constraints
47 * \ingroup TaskTestFloat
48 */
49 //@{
50 /// %Test for domain constraints with a float value
51 class Val : public Test {
52 protected:
53 /// Float constant
54 Gecode::FloatVal c;
55 public:
56 /// Create and register test
57 Val(int n, Gecode::FloatVal c0, Gecode::FloatNum st)
58 : Test("Dom::Val::"+str(n)+"::"+str(c0),
59 n,-3,3,st,CPLT_ASSIGNMENT,n==1), c(c0) {
60 testsubsumed = false;
61 }
62 /// %Test whether \a x is solution
63 virtual MaybeType solution(const Assignment& x) const {
64 for (int i=x.size(); i--; )
65 if ((x[i].max() > c.max()) || (x[i].min() < c.min()))
66 return MT_FALSE;
67 return MT_TRUE;
68 }
69 /// Post constraint on \a x
70 virtual void post(Gecode::Space& home, Gecode::FloatVarArray& x) {
71 if (x.size() == 1)
72 Gecode::dom(home, x[0], c);
73 else
74 Gecode::dom(home, x, c);
75 }
76 /// Post reified constraint on \a x for \a r
77 virtual void post(Gecode::Space& home, Gecode::FloatVarArray& x,
78 Gecode::Reify r) {
79 assert(x.size() == 1);
80 Gecode::dom(home, x[0], c, r);
81 }
82 };
83
84 /// %Test for domain constraints with float numbers
85 class Num : public Test {
86 protected:
87 /// Float number
88 Gecode::FloatNum min;
89 /// Float number
90 Gecode::FloatNum max;
91 public:
92 /// Create and register test
93 Num(int n, Gecode::FloatNum min0, Gecode::FloatNum max0,
94 Gecode::FloatNum st)
95 : Test("Dom::Num::"+str(n)+"::"+str(min0)+"::"+str(max0),
96 n,-3,3,st,CPLT_ASSIGNMENT,n==1), min(min0), max(max0) {
97 testsubsumed = false;
98 }
99 /// %Test whether \a x is solution
100 virtual MaybeType solution(const Assignment& x) const {
101 if (max < min)
102 return MT_FALSE;
103 for (int i=x.size(); i--; )
104 if ((x[i].max() > max) || (x[i].min() < min))
105 return MT_FALSE;
106 return MT_TRUE;
107 }
108 /// Post constraint on \a x
109 virtual void post(Gecode::Space& home, Gecode::FloatVarArray& x) {
110 if (x.size() == 1)
111 Gecode::dom(home, x[0], min, max);
112 else
113 Gecode::dom(home, x, min, max);
114 }
115 /// Post reified constraint on \a x for \a r
116 virtual void post(Gecode::Space& home, Gecode::FloatVarArray& x,
117 Gecode::Reify r) {
118 assert(x.size() == 1);
119 Gecode::dom(home, x[0], min, max, r);
120 }
121 };
122
123 /// Help class to create and register tests
124 class Create {
125 public:
126 /// Perform creation and registration
127 Create(void) {
128 using namespace Gecode;
129 FloatNum step = 0.7;
130 for (int c=-4; c<=4; c++) {
131 (void) new Val(1,c,step);
132 (void) new Val(2,c,step);
133 for (int d=-3; d<=3; d++) {
134 (void) new Num(1,c,d,step);
135 (void) new Num(2,c,d,step);
136 }
137 }
138 }
139 };
140
141 Create c;
142 //@}
143
144 }
145
146}}
147
148// STATISTICS: test-float