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MueLu_LinkedList.cpp
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2//
3// ***********************************************************************
4//
5// MueLu: A package for multigrid based preconditioning
6// Copyright 2012 Sandia Corporation
7//
8// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
9// the U.S. Government retains certain rights in this software.
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45// @HEADER
46#include <stddef.h> // for NULL
47#include "MueLu_LinkedList.hpp"
48
49namespace MueLu {
50
51 LinkedList::LinkedList() : nodeHead(NULL), nodeTail(NULL) { }
52
54 while (nodeHead != NULL)
55 DeleteHead();
56 }
57
59 return nodeHead == NULL;
60 }
61
62 void LinkedList::Add(int iNode) {
63 MueLu_Node *newNode = new MueLu_Node;
64 newNode->nodeId = iNode;
65 newNode->next = NULL;
66 if (nodeHead == NULL) {
67 nodeHead = newNode;
68 nodeTail = newNode;
69 } else {
70 nodeTail->next = newNode;
71 nodeTail = newNode;
72 }
73 }
74
75 int LinkedList::Pop() { // get head and remove first node
76 if (IsEmpty()) return -1;
77
78 int iNode = nodeHead->nodeId;
79 DeleteHead();
80 return iNode;
81 }
82
84 if (IsEmpty()) return;
85
86 MueLu_Node *newNode = nodeHead;
87 nodeHead = newNode->next;
88 delete newNode;
89 }
90
91}
92
93//TODO: nodeTail unused -> remove?
void Add(int iNode)
Namespace for MueLu classes and methods.
struct MueLu::MueLu_Node_Struct MueLu_Node
struct MueLu_Node_Struct * next