test/matrix_maps_test.cc
author kpeter
Mon, 18 Feb 2008 03:34:16 +0000
changeset 2577 2c6204d4b0f6
parent 2391 14a343be7a5a
permissions -rw-r--r--
Add a cost scaling min cost flow algorithm.

Add a cost scaling algorithm, which is performing generalized
push-relabel operations. It is almost as efficient as the capacity
scaling algorithm, but slower than network simplex.
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/* -*- C++ -*-
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 *
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 * This file is a part of LEMON, a generic C++ optimization library
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 *
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 * Copyright (C) 2003-2008
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 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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 * (Egervary Research Group on Combinatorial Optimization, EGRES).
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 *
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 * Permission to use, modify and distribute this software is granted
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 * provided that this copyright notice appears in all copies. For
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 * precise terms see the accompanying LICENSE file.
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 *
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 * This software is provided "AS IS" with no warranty of any kind,
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 * express or implied, and with no claim as to its suitability for any
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 * purpose.
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 *
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 */
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#include <iostream>
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#include <vector>
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#include <lemon/concept_check.h>
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#include <lemon/concepts/matrix_maps.h>
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#include <lemon/concepts/maps.h>
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#include <lemon/concepts/graph.h>
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#include <lemon/matrix_maps.h>
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#include <lemon/smart_graph.h>
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#include "test_tools.h"
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#include "graph_test.h"
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#include "map_test.h"
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using namespace lemon;
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using namespace lemon::concepts;
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int main() {
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  typedef SmartGraph Graph;
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  typedef Graph::Node Node;
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  typedef Graph::Edge Edge;
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  { // checking MatrixMap for int
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    typedef DynamicMatrixMap<Graph, Node, int> IntMatrixMap;
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    checkConcept<ReferenceMatrixMap<Node, Node, int, 
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      IntMatrixMap::Reference, IntMatrixMap::ConstReference>,
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      IntMatrixMap>();
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  }
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  { // checking MatrixMap for bool
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    typedef DynamicMatrixMap<Graph, Node, bool> BoolMatrixMap;
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    checkConcept<ReferenceMatrixMap<Node, Node, bool, 
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      BoolMatrixMap::Reference, BoolMatrixMap::ConstReference>,
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      BoolMatrixMap>();
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  }
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  {
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    Graph graph;
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    typedef DynamicMatrixMap<Graph, Node, int> IntMatrixMap;
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    IntMatrixMap matrix(graph);
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    for (int i = 0; i < 10; ++i) {
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      graph.addNode();
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    }
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    for (Graph::NodeIt it(graph); it != INVALID; ++it) {
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      for (Graph::NodeIt jt(graph); jt != INVALID; ++jt) {
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	int val = rnd[100];
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	matrix.set(it, jt, val);
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	check(matrix(it, jt) == val, "Wrong assign");
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	check(matrix(it, jt) == matrixRowMap(matrix, it)[jt], "Wrong rowMap");
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	check(matrix(it, jt) == matrixColMap(matrix, jt)[it], "Wrong colMap");
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      }
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    }
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    const IntMatrixMap& cm = matrix;
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    for (Graph::NodeIt it(graph); it != INVALID; ++it) {
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      for (Graph::NodeIt jt(graph); jt != INVALID; ++jt) {
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	check(cm(it, jt) == matrixRowMap(cm, it)[jt], "Wrong rowMap");
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	check(cm(it, jt) == matrixColMap(cm, jt)[it], "Wrong colMap");
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      }
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    }
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  }
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  { // checking MatrixMap for int
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    typedef DynamicSymMatrixMap<Graph, Node, int> IntMatrixMap;
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    checkConcept<ReferenceMatrixMap<Node, Node, int, 
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      IntMatrixMap::Reference, IntMatrixMap::ConstReference>,
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      IntMatrixMap>();
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  }
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  { // checking MatrixMap for bool
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    typedef DynamicSymMatrixMap<Graph, Node, bool> BoolMatrixMap;
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    checkConcept<ReferenceMatrixMap<Node, Node, bool, 
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      BoolMatrixMap::Reference, BoolMatrixMap::ConstReference>,
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      BoolMatrixMap>();
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  }
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  {
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    Graph graph;
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    typedef DynamicSymMatrixMap<Graph, Node, int> IntMatrixMap;
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    IntMatrixMap matrix(graph);
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    for (int i = 0; i < 10; ++i) {
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      graph.addNode();
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    }
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    for (Graph::NodeIt it(graph); it != INVALID; ++it) {
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      for (Graph::NodeIt jt(graph); jt != INVALID; ++jt) {
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	int val = rnd[100];
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	matrix.set(it, jt, val);
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	check(matrix(it, jt) == val, "Wrong assign");
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	check(matrix(jt, it) == val, "Wrong assign");
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	check(matrix(it, jt) == matrixRowMap(matrix, it)[jt], "Wrong rowMap");
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	check(matrix(it, jt) == matrixColMap(matrix, jt)[it], "Wrong colMap");
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      }
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    }
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    const IntMatrixMap& cm = matrix;
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    for (Graph::NodeIt it(graph); it != INVALID; ++it) {
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      for (Graph::NodeIt jt(graph); jt != INVALID; ++jt) {
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	check(cm(it, jt) == matrixRowMap(cm, it)[jt], "Wrong rowMap");
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	check(cm(it, jt) == matrixColMap(cm, jt)[it], "Wrong colMap");
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      }
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    }
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  }
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  { // checking MatrixMap for int
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    typedef DynamicAsymMatrixMap<Graph, Node, Graph, Edge, int> IntMatrixMap;
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    checkConcept<ReferenceMatrixMap<Node, Edge, int, 
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      IntMatrixMap::Reference, IntMatrixMap::ConstReference>,
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      IntMatrixMap>();
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  }
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  { // checking MatrixMap for bool
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    typedef DynamicAsymMatrixMap<Graph, Node, Graph, Edge, bool> BoolMatrixMap;
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    checkConcept<ReferenceMatrixMap<Node, Edge, bool, 
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      BoolMatrixMap::Reference, BoolMatrixMap::ConstReference>,
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      BoolMatrixMap>();
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  }
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  {
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    Graph graph1, graph2;
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    typedef DynamicAsymMatrixMap<Graph, Node, Graph, Edge, int> IntMatrixMap;
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    IntMatrixMap matrix(graph1, graph2);
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    for (int i = 0; i < 10; ++i) {
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      graph1.addNode();
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    }
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    graph2.addNode();
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    for (int i = 0; i < 20; ++i) {
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      graph2.addEdge(Graph::NodeIt(graph2), Graph::NodeIt(graph2));
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    }
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    for (Graph::NodeIt it(graph1); it != INVALID; ++it) {
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      for (Graph::EdgeIt jt(graph2); jt != INVALID; ++jt) {
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	int val = rnd[100];
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	matrix.set(it, jt, val);
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	check(matrix(it, jt) == val, "Wrong assign");
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	check(matrix(it, jt) == matrixRowMap(matrix, it)[jt], "Wrong rowMap");
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	check(matrix(it, jt) == matrixColMap(matrix, jt)[it], "Wrong colMap");
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      }
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    }
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    const IntMatrixMap& cm = matrix;
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    for (Graph::NodeIt it(graph1); it != INVALID; ++it) {
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      for (Graph::EdgeIt jt(graph2); jt != INVALID; ++jt) {
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	check(cm(it, jt) == matrixRowMap(cm, it)[jt], "Wrong rowMap");
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	check(cm(it, jt) == matrixColMap(cm, jt)[it], "Wrong colMap");
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      }
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    }
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  }
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  { // checking MatrixMap for int
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    typedef DynamicAsymMatrixMap<Graph, Node, Graph, Node, int> IntMatrixMap;
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    checkConcept<ReferenceMatrixMap<Node, Node, int, 
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      IntMatrixMap::Reference, IntMatrixMap::ConstReference>,
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      IntMatrixMap>();
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  }
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  { // checking MatrixMap for bool
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    typedef DynamicAsymMatrixMap<Graph, Node, Graph, Node, bool> BoolMatrixMap;
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    checkConcept<ReferenceMatrixMap<Node, Node, bool, 
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      BoolMatrixMap::Reference, BoolMatrixMap::ConstReference>,
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      BoolMatrixMap>();
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  }
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  {
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    Graph graph;
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    typedef DynamicAsymMatrixMap<Graph, Node, Graph, Node, int> IntMatrixMap;
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    IntMatrixMap matrix(graph, graph);
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    for (int i = 0; i < 10; ++i) {
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      graph.addNode();
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    }
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    for (int i = 0; i < 20; ++i) {
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      graph.addEdge(Graph::NodeIt(graph), Graph::NodeIt(graph));
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    }
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    for (Graph::NodeIt it(graph); it != INVALID; ++it) {
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      for (Graph::NodeIt jt(graph); jt != INVALID; ++jt) {
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	int val = rnd[100];
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	matrix.set(it, jt, val);
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	check(matrix(it, jt) == val, "Wrong assign");
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	check(matrix(it, jt) == matrixRowMap(matrix, it)[jt], "Wrong rowMap");
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	check(matrix(it, jt) == matrixColMap(matrix, jt)[it], "Wrong colMap");
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      }
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    }
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    const IntMatrixMap& cm = matrix;
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    for (Graph::NodeIt it(graph); it != INVALID; ++it) {
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      for (Graph::NodeIt jt(graph); jt != INVALID; ++jt) {
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	check(cm(it, jt) == matrixRowMap(cm, it)[jt], "Wrong rowMap");
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	check(cm(it, jt) == matrixColMap(cm, jt)[it], "Wrong colMap");
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      }
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    }
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  }
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  std::cout << __FILE__ ": All tests passed.\n";
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  return 0;
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}