COIN-OR::LEMON - Graph Library

source: lemon-1.2/test/maps_test.cc @ 82:bce6c8f93d10

Last change on this file since 82:bce6c8f93d10 was 82:bce6c8f93d10, checked in by Peter Kovacs <kpeter@…>, 12 years ago

Add basic logical maps and doc improvements

File size: 10.2 KB
Line 
1/* -*- C++ -*-
2 *
3 * This file is a part of LEMON, a generic C++ optimization library
4 *
5 * Copyright (C) 2003-2008
6 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 *
9 * Permission to use, modify and distribute this software is granted
10 * provided that this copyright notice appears in all copies. For
11 * precise terms see the accompanying LICENSE file.
12 *
13 * This software is provided "AS IS" with no warranty of any kind,
14 * express or implied, and with no claim as to its suitability for any
15 * purpose.
16 *
17 */
18
19#include <deque>
20#include <set>
21
22#include <lemon/concept_check.h>
23#include <lemon/concepts/maps.h>
24#include <lemon/maps.h>
25
26#include "test_tools.h"
27
28using namespace lemon;
29using namespace lemon::concepts;
30
31struct A {};
32inline bool operator<(A, A) { return true; }
33struct B {};
34
35class F {
36public:
37  typedef A argument_type;
38  typedef B result_type;
39
40  B operator()(const A&) const { return B(); }
41private:
42  F& operator=(const F&);
43};
44
45int func(A) { return 3; }
46
47int binc(int a, B) { return a+1; }
48
49typedef ReadMap<A, double> DoubleMap;
50typedef ReadWriteMap<A, double> DoubleWriteMap;
51typedef ReferenceMap<A, double, double&, const double&> DoubleRefMap;
52
53typedef ReadMap<A, bool> BoolMap;
54typedef ReadWriteMap<A, bool> BoolWriteMap;
55typedef ReferenceMap<A, bool, bool&, const bool&> BoolRefMap;
56
57int main()
58{
59  // Map concepts
60  checkConcept<ReadMap<A,B>, ReadMap<A,B> >();
61  checkConcept<WriteMap<A,B>, WriteMap<A,B> >();
62  checkConcept<ReadWriteMap<A,B>, ReadWriteMap<A,B> >();
63  checkConcept<ReferenceMap<A,B,B&,const B&>, ReferenceMap<A,B,B&,const B&> >();
64
65  // NullMap
66  {
67    checkConcept<ReadWriteMap<A,B>, NullMap<A,B> >();
68    NullMap<A,B> map1;
69    NullMap<A,B> map2 = map1;
70    map1 = nullMap<A,B>();
71  }
72
73  // ConstMap
74  {
75    checkConcept<ReadWriteMap<A,B>, ConstMap<A,B> >();
76    ConstMap<A,B> map1;
77    ConstMap<A,B> map2(B());
78    ConstMap<A,B> map3 = map1;
79    map1 = constMap<A>(B());
80    map1.setAll(B());
81
82    checkConcept<ReadWriteMap<A,int>, ConstMap<A,int> >();
83    check(constMap<A>(10)[A()] == 10, "Something is wrong with ConstMap");
84
85    checkConcept<ReadWriteMap<A,int>, ConstMap<A,Const<int,10> > >();
86    ConstMap<A,Const<int,10> > map4;
87    ConstMap<A,Const<int,10> > map5 = map4;
88    map4 = map5;
89    check(map4[A()] == 10 && map5[A()] == 10, "Something is wrong with ConstMap");
90  }
91
92  // IdentityMap
93  {
94    checkConcept<ReadMap<A,A>, IdentityMap<A> >();
95    IdentityMap<A> map1;
96    IdentityMap<A> map2 = map1;
97    map1 = identityMap<A>();
98
99    checkConcept<ReadMap<double,double>, IdentityMap<double> >();
100    check(identityMap<double>()[1.0] == 1.0 && identityMap<double>()[3.14] == 3.14,
101          "Something is wrong with IdentityMap");
102  }
103
104  // RangeMap
105  {
106    checkConcept<ReferenceMap<int,B,B&,const B&>, RangeMap<B> >();
107    RangeMap<B> map1;
108    RangeMap<B> map2(10);
109    RangeMap<B> map3(10,B());
110    RangeMap<B> map4 = map1;
111    RangeMap<B> map5 = rangeMap<B>();
112    RangeMap<B> map6 = rangeMap<B>(10);
113    RangeMap<B> map7 = rangeMap(10,B());
114
115    checkConcept< ReferenceMap<int, double, double&, const double&>,
116                  RangeMap<double> >();
117    std::vector<double> v(10, 0);
118    v[5] = 100;
119    RangeMap<double> map8(v);
120    RangeMap<double> map9 = rangeMap(v);
121    check(map9.size() == 10 && map9[2] == 0 && map9[5] == 100,
122          "Something is wrong with RangeMap");
123  }
124
125  // SparseMap
126  {
127    checkConcept<ReferenceMap<A,B,B&,const B&>, SparseMap<A,B> >();
128    SparseMap<A,B> map1;
129    SparseMap<A,B> map2(B());
130    SparseMap<A,B> map3 = sparseMap<A,B>();
131    SparseMap<A,B> map4 = sparseMap<A>(B());
132
133    checkConcept< ReferenceMap<double, int, int&, const int&>,
134                  SparseMap<double, int> >();
135    std::map<double, int> m;
136    SparseMap<double, int> map5(m);
137    SparseMap<double, int> map6(m,10);
138    SparseMap<double, int> map7 = sparseMap(m);
139    SparseMap<double, int> map8 = sparseMap(m,10);
140
141    check(map5[1.0] == 0 && map5[3.14] == 0 && map6[1.0] == 10 && map6[3.14] == 10,
142          "Something is wrong with SparseMap");
143    map5[1.0] = map6[3.14] = 100;
144    check(map5[1.0] == 100 && map5[3.14] == 0 && map6[1.0] == 10 && map6[3.14] == 100,
145          "Something is wrong with SparseMap");
146  }
147
148  // ComposeMap
149  {
150    typedef ComposeMap<DoubleMap, ReadMap<B,A> > CompMap;
151    checkConcept<ReadMap<B,double>, CompMap>();
152    CompMap map1(DoubleMap(),ReadMap<B,A>());
153    CompMap map2 = composeMap(DoubleMap(), ReadMap<B,A>());
154
155    SparseMap<double, bool> m1(false); m1[3.14] = true;
156    RangeMap<double> m2(2); m2[0] = 3.0; m2[1] = 3.14;
157    check(!composeMap(m1,m2)[0] && composeMap(m1,m2)[1], "Something is wrong with ComposeMap")
158  }
159
160  // CombineMap
161  {
162    typedef CombineMap<DoubleMap, DoubleMap, std::plus<double> > CombMap;
163    checkConcept<ReadMap<A,double>, CombMap>();
164    CombMap map1(DoubleMap(), DoubleMap());
165    CombMap map2 = combineMap(DoubleMap(), DoubleMap(), std::plus<double>());
166
167    check(combineMap(constMap<B,int,2>(), identityMap<B>(), &binc)[B()] == 3,
168          "Something is wrong with CombineMap");
169  }
170
171  // FunctorToMap, MapToFunctor
172  {
173    checkConcept<ReadMap<A,B>, FunctorToMap<F,A,B> >();
174    checkConcept<ReadMap<A,B>, FunctorToMap<F> >();
175    FunctorToMap<F> map1;
176    FunctorToMap<F> map2(F());
177    B b = functorToMap(F())[A()];
178
179    checkConcept<ReadMap<A,B>, MapToFunctor<ReadMap<A,B> > >();
180    MapToFunctor<ReadMap<A,B> > map(ReadMap<A,B>());
181
182    check(functorToMap(&func)[A()] == 3, "Something is wrong with FunctorToMap");
183    check(mapToFunctor(constMap<A,int>(2))(A()) == 2, "Something is wrong with MapToFunctor");
184    check(mapToFunctor(functorToMap(&func))(A()) == 3 && mapToFunctor(functorToMap(&func))[A()] == 3,
185          "Something is wrong with FunctorToMap or MapToFunctor");
186    check(functorToMap(mapToFunctor(constMap<A,int>(2)))[A()] == 2,
187          "Something is wrong with FunctorToMap or MapToFunctor");
188  }
189
190  // ConvertMap
191  {
192    checkConcept<ReadMap<double,double>, ConvertMap<ReadMap<double, int>, double> >();
193    ConvertMap<RangeMap<bool>, int> map1(rangeMap(1, true));
194    ConvertMap<RangeMap<bool>, int> map2 = convertMap<int>(rangeMap(2, false));
195  }
196
197  // ForkMap
198  {
199    checkConcept<DoubleWriteMap, ForkMap<DoubleWriteMap, DoubleWriteMap> >();
200
201    typedef RangeMap<double> RM;
202    typedef SparseMap<int, double> SM;
203    RM m1(10, -1);
204    SM m2(-1);
205    checkConcept<ReadWriteMap<int, double>, ForkMap<RM, SM> >();
206    checkConcept<ReadWriteMap<int, double>, ForkMap<SM, RM> >();
207    ForkMap<RM, SM> map1(m1,m2);
208    ForkMap<SM, RM> map2 = forkMap(m2,m1);
209    map2.set(5, 10);
210    check(m1[1] == -1 && m1[5] == 10 && m2[1] == -1 && m2[5] == 10 && map2[1] == -1 && map2[5] == 10,
211          "Something is wrong with ForkMap");
212  }
213
214  // Arithmetic maps:
215  // - AddMap, SubMap, MulMap, DivMap
216  // - ShiftMap, ShiftWriteMap, ScaleMap, ScaleWriteMap
217  // - NegMap, NegWriteMap, AbsMap
218  {
219    checkConcept<DoubleMap, AddMap<DoubleMap,DoubleMap> >();
220    checkConcept<DoubleMap, SubMap<DoubleMap,DoubleMap> >();
221    checkConcept<DoubleMap, MulMap<DoubleMap,DoubleMap> >();
222    checkConcept<DoubleMap, DivMap<DoubleMap,DoubleMap> >();
223
224    ConstMap<int, double> c1(1.0), c2(3.14);
225    IdentityMap<int> im;
226    ConvertMap<IdentityMap<int>, double> id(im);
227    check(addMap(c1,id)[0] == 1.0  && addMap(c1,id)[10] == 11.0, "Something is wrong with AddMap");
228    check(subMap(id,c1)[0] == -1.0 && subMap(id,c1)[10] == 9.0,  "Something is wrong with SubMap");
229    check(mulMap(id,c2)[0] == 0    && mulMap(id,c2)[2]  == 6.28, "Something is wrong with MulMap");
230    check(divMap(c2,id)[1] == 3.14 && divMap(c2,id)[2]  == 1.57, "Something is wrong with DivMap");
231
232    checkConcept<DoubleMap, ShiftMap<DoubleMap> >();
233    checkConcept<DoubleWriteMap, ShiftWriteMap<DoubleWriteMap> >();
234    checkConcept<DoubleMap, ScaleMap<DoubleMap> >();
235    checkConcept<DoubleWriteMap, ScaleWriteMap<DoubleWriteMap> >();
236    checkConcept<DoubleMap, NegMap<DoubleMap> >();
237    checkConcept<DoubleWriteMap, NegWriteMap<DoubleWriteMap> >();
238    checkConcept<DoubleMap, AbsMap<DoubleMap> >();
239
240    check(shiftMap(id, 2.0)[1] == 3.0 && shiftMap(id, 2.0)[10] == 12.0,
241          "Something is wrong with ShiftMap");
242    check(shiftWriteMap(id, 2.0)[1] == 3.0 && shiftWriteMap(id, 2.0)[10] == 12.0,
243          "Something is wrong with ShiftWriteMap");
244    check(scaleMap(id, 2.0)[1] == 2.0 && scaleMap(id, 2.0)[10] == 20.0,
245          "Something is wrong with ScaleMap");
246    check(scaleWriteMap(id, 2.0)[1] == 2.0 && scaleWriteMap(id, 2.0)[10] == 20.0,
247          "Something is wrong with ScaleWriteMap");
248    check(negMap(id)[1] == -1.0 && negMap(id)[-10] == 10.0,
249          "Something is wrong with NegMap");
250    check(negWriteMap(id)[1] == -1.0 && negWriteMap(id)[-10] == 10.0,
251          "Something is wrong with NegWriteMap");
252    check(absMap(id)[1] == 1.0 && absMap(id)[-10] == 10.0,
253          "Something is wrong with AbsMap");
254  }
255
256  // Logical maps:
257  // - TrueMap, FalseMap
258  // - AndMap, OrMap
259  // - NotMap, NotWriteMap
260  // - EqualMap, LessMap
261  {
262    checkConcept<BoolMap, TrueMap<A> >();
263    checkConcept<BoolMap, FalseMap<A> >();
264    checkConcept<BoolMap, AndMap<BoolMap,BoolMap> >();
265    checkConcept<BoolMap, OrMap<BoolMap,BoolMap> >();
266    checkConcept<BoolMap, NotMap<BoolMap> >();
267    checkConcept<BoolWriteMap, NotWriteMap<BoolWriteMap> >();
268    checkConcept<BoolMap, EqualMap<DoubleMap,DoubleMap> >();
269    checkConcept<BoolMap, LessMap<DoubleMap,DoubleMap> >();
270
271    TrueMap<int> tm;
272    FalseMap<int> fm;
273    RangeMap<bool> rm(2);
274    rm[0] = true; rm[1] = false;
275    check(andMap(tm,rm)[0] && !andMap(tm,rm)[1] && !andMap(fm,rm)[0] && !andMap(fm,rm)[1],
276          "Something is wrong with AndMap");
277    check(orMap(tm,rm)[0] && orMap(tm,rm)[1] && orMap(fm,rm)[0] && !orMap(fm,rm)[1],
278          "Something is wrong with OrMap");
279    check(!notMap(rm)[0] && notMap(rm)[1], "Something is wrong with NotMap");
280    check(!notWriteMap(rm)[0] && notWriteMap(rm)[1], "Something is wrong with NotWriteMap");
281
282    ConstMap<int, double> cm(2.0);
283    IdentityMap<int> im;
284    ConvertMap<IdentityMap<int>, double> id(im);
285    check(lessMap(id,cm)[1] && !lessMap(id,cm)[2] && !lessMap(id,cm)[3],
286          "Something is wrong with LessMap");
287    check(!equalMap(id,cm)[1] && equalMap(id,cm)[2] && !equalMap(id,cm)[3],
288          "Something is wrong with EqualMap");
289  }
290
291  return 0;
292}
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