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Python DictGraph.edgeExists方法代码示例

本文整理汇总了Python中apgl.graph.DictGraph.DictGraph.edgeExists方法的典型用法代码示例。如果您正苦于以下问题:Python DictGraph.edgeExists方法的具体用法?Python DictGraph.edgeExists怎么用?Python DictGraph.edgeExists使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在apgl.graph.DictGraph.DictGraph的用法示例。


在下文中一共展示了DictGraph.edgeExists方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: testGetSparseWeightMatrix

# 需要导入模块: from apgl.graph.DictGraph import DictGraph [as 别名]
# 或者: from apgl.graph.DictGraph.DictGraph import edgeExists [as 别名]
    def testGetSparseWeightMatrix(self):
        graph = DictGraph()
        graph.addEdge("a", "b")
        graph.addEdge("a", "c")
        graph.addEdge("a", "d", "blah")
        graph.addEdge("d", "e", -1.1)
        graph.addEdge("c", "b", 2)

        W = graph.getSparseWeightMatrix()
        keys = graph.getAllVertexIds()
        
        for i in range(len(keys)):
            for j in range(len(keys)):
                if graph.edgeExists(keys[i], keys[j]) and not isinstance(graph.getEdge(keys[i], keys[j]), numbers.Number): 
                    self.assertEquals(1, W[i, j])
                elif W[i, j] != 0:
                    self.assertEquals(graph.getEdge(keys[i], keys[j]), W[i, j])
                else:
                    self.assertEquals(graph.getEdge(keys[i], keys[j]), None)

        #Try a directed graph
        graph = DictGraph(False)
        graph.addEdge("a", "b")
        graph.addEdge("a", "c", "test")
        graph.addEdge("a", "d")
        graph.addEdge("d", "e")
        graph.addEdge("c", "a", 0.1)

        W = graph.getSparseWeightMatrix()

        for i in range(len(keys)):
            for j in range(len(keys)):
                if graph.edgeExists(keys[i], keys[j]) and not isinstance(graph.getEdge(keys[i], keys[j]), numbers.Number): 
                    self.assertEquals(1, W[i, j])
                elif W[i, j] != 0:
                    self.assertEquals(graph.getEdge(keys[i], keys[j]), W[i, j])
                else:
                    self.assertEquals(graph.getEdge(keys[i], keys[j]), None)
开发者ID:charanpald,项目名称:APGL,代码行数:40,代码来源:DictGraphTest.py

示例2: testAdjacencyList

# 需要导入模块: from apgl.graph.DictGraph import DictGraph [as 别名]
# 或者: from apgl.graph.DictGraph.DictGraph import edgeExists [as 别名]
    def testAdjacencyList(self): 
        graph = DictGraph()
        graph.addEdge("a", "b", 1)
        graph.addEdge("b", "c", 1)
        graph.addEdge("b", "d", 1)
        graph.addEdge("c", "e", 1)
        graph.setVertex("f", 1)
 
        neighbourIndices, neighbourWeights = graph.adjacencyList()   
 
        vertexIds = graph.getAllVertexIds()

        for i in range(len(neighbourIndices)): 
            for k, j in enumerate(neighbourIndices[i]): 
                self.assertTrue(graph.edgeExists(vertexIds[i], vertexIds[j]))  
                self.assertEquals(graph[vertexIds[i], vertexIds[j]], neighbourWeights[i][k])
开发者ID:charanpald,项目名称:APGL,代码行数:18,代码来源:DictGraphTest.py

示例3: testRemoveVertex

# 需要导入模块: from apgl.graph.DictGraph import DictGraph [as 别名]
# 或者: from apgl.graph.DictGraph.DictGraph import edgeExists [as 别名]
    def testRemoveVertex(self):
        graph = DictGraph()
        graph.addEdge(0, 1)
        graph.addEdge(0, 2)
        graph.addEdge(0, 3)
        graph.addEdge(1, 2)
        graph.addEdge(2, 3)
        graph.addEdge(3, 4)

        graph.removeVertex(4)
        self.assertFalse(graph.vertexExists(4))
        self.assertFalse(graph.edgeExists(3, 4))
        
        graph.removeVertex(3)
        self.assertFalse(graph.vertexExists(3))
        self.assertFalse(graph.edgeExists(2, 3))
        self.assertFalse(graph.edgeExists(0, 3))
            
        graph.removeVertex(2)
        self.assertFalse(graph.vertexExists(2))
        self.assertFalse(graph.edgeExists(1, 2))
        self.assertFalse(graph.edgeExists(0, 2))
        
        self.assertTrue(graph.getAllVertexIds() == [0, 1])
        self.assertTrue(graph.getAllEdges() == [(0, 1)])
        
        #Try directed graph 
        graph = DictGraph(False)
        graph.addEdge(0, 1)
        graph.addEdge(1, 0)
        graph.addEdge(0, 3)
        graph.addEdge(1, 2)
        graph.addEdge(2, 3)
        graph.addEdge(3, 4)
        
        graph.removeVertex(0)

        self.assertFalse(graph.vertexExists(0))
        self.assertFalse(graph.edgeExists(0, 1))
        self.assertFalse(graph.edgeExists(0, 3))
        self.assertFalse(graph.edgeExists(1, 0))
        
        graph.removeVertex(2)
        self.assertFalse(graph.vertexExists(2))
        self.assertFalse(graph.edgeExists(1, 2))
        self.assertFalse(graph.edgeExists(2, 3))

        self.assertTrue(graph.getAllVertexIds() == [1, 3, 4])
        self.assertTrue(graph.getAllEdges() == [(3, 4)])
开发者ID:charanpald,项目名称:APGL,代码行数:51,代码来源:DictGraphTest.py


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