Use Array shorthand syntactic sugar

This commit is contained in:
hectr 2018-12-10 22:56:02 +01:00
parent 347691d331
commit c4f0749f1c
7 changed files with 29 additions and 29 deletions

View File

@ -15,7 +15,7 @@ import Swift
import ElementaryCyclesSearch
extension ElementaryCyclesSearch {
static func toArray(elementaryCycles: Array<Array<Node>>) -> [[Node]] {
static func toArray(elementaryCycles: [[Node]]) -> [[Node]] {
var cycles = [[Node]]()
for vector in elementaryCycles {
var cycle = [Node]()

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@ -39,7 +39,7 @@ extension Matrix where Element == Int {
let list = Matrix<Int>(adjacencyMatrix.reservedLength)
for i in 0 ..< adjacencyMatrix.reservedLength {
var v = Array<Int>()
var v = [Int]()
for j in 0 ..< adjacencyMatrix[i].reservedLength {
if let isAdjacent = adjacencyMatrix[i]?[j], isAdjacent {
v.append(j)

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@ -77,7 +77,7 @@ class StrongConnectedComponents {
private var visited: Vector<Bool>!
/** Helpattribute for finding scc's */
private var stack: Array<Int>!
private var stack: [Int]!
/** Helpattribute for finding scc's */
private var lowlink: Vector<Int>!
@ -89,7 +89,7 @@ class StrongConnectedComponents {
private var strongConnectedComponentsCounter = 0;
/** Helpattribute for finding scc's */
private var currentStrongConnectedComponents: Array<Array<Int>>!
private var currentStrongConnectedComponents: [[Int]]!
/**
* Constructor.
@ -116,8 +116,8 @@ class StrongConnectedComponents {
lowlink = Vector<Int>(self.adjacencyListOriginal.reservedLength)
number = Vector<Int>(self.adjacencyListOriginal.reservedLength)
visited = Vector<Bool>(self.adjacencyListOriginal.reservedLength)
stack = Array<Int>()
currentStrongConnectedComponents = Array<Array<Int>>()
stack = [Int]()
currentStrongConnectedComponents = [[Int]]()
makeAdjacencyListSubgraph(node: node);
@ -153,7 +153,7 @@ class StrongConnectedComponents {
adjacencyList = AdjacencyList(adjacencyListOriginal.reservedLength, 0)
for i in node ..< adjacencyList.reservedLength {
var successors = Array<Int>()
var successors = [Int]()
for j in 0 ..< self.adjacencyListOriginal[i].reservedLength {
guard let original = adjacencyListOriginal[i]?[j] else { continue }
if original >= node {
@ -176,9 +176,9 @@ class StrongConnectedComponents {
*
* @return Vector::Integer of the strongConnectedComponents containing the lowest nodenumber
*/
private func getLowestIdComponent() -> Array<Int>? {
private func getLowestIdComponent() -> [Int]? {
var min = adjacencyList.reservedLength;
var currScc: Array<Int>?
var currScc: [Int]?
for i in 0 ..< currentStrongConnectedComponents.count {
let strongConnectedComponents = currentStrongConnectedComponents[i]
@ -199,7 +199,7 @@ class StrongConnectedComponents {
* strong connected component with least vertex in the currently viewed
* subgraph
*/
private func getAdjList(nodes: Array<Int>?) -> AdjacencyList? {
private func getAdjList(nodes: [Int]?) -> AdjacencyList? {
guard let nodes = nodes else { return nil }
let lowestIdAdjacencyList = AdjacencyList(adjacencyList.reservedLength)
for i in 0 ..< lowestIdAdjacencyList.reservedLength {
@ -246,7 +246,7 @@ class StrongConnectedComponents {
// found strongConnectedComponents
if (lowlink[root] == number[root]) && (stack.count > 0) {
var next = -1;
var strongConnectedComponents = Array<Int>()
var strongConnectedComponents = [Int]()
repeat {
guard let popped = stack.popLast() else { break }

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@ -42,13 +42,13 @@ import Swift
*/
public class ElementaryCyclesSearch<Node> {
/** List of cycles */
private var cycles: Array<Array<Node>>
private var cycles: [[Node]]
/** Adjacency-list of graph */
private var adjacencyList: AdjacencyList
/** Graphnodes */
private var graphNodes: Array<Node>
private var graphNodes: [Node]
/** Blocked nodes, used by the algorithm of Johnson */
private var blocked: Vector<Bool>
@ -57,7 +57,7 @@ public class ElementaryCyclesSearch<Node> {
private var B: Matrix<Int>
/** Stack for nodes, used by the algorithm of Johnson */
private var stack: Array<Int>
private var stack: [Int]
/**
* Returns List::List::Object with the Lists of nodes of all elementary
@ -70,7 +70,7 @@ public class ElementaryCyclesSearch<Node> {
*
* @return List::List::Object with the Lists of the elementary cycles.
*/
public static func getElementaryCycles(adjacencyMatrix: AdjacencyMatrix, graphNodes: Array<Node>) -> Array<Array<Node>> {
public static func getElementaryCycles(adjacencyMatrix: AdjacencyMatrix, graphNodes: [Node]) -> [[Node]] {
let ecs = ElementaryCyclesSearch(adjacencyMatrix: adjacencyMatrix, graphNodes: graphNodes)
return ecs.getElementaryCycles()
}
@ -83,13 +83,13 @@ public class ElementaryCyclesSearch<Node> {
* build sets of the elementary cycles containing the objects of the original
* graph-representation
*/
private init(adjacencyMatrix: AdjacencyMatrix, graphNodes: Array<Node>) {
private init(adjacencyMatrix: AdjacencyMatrix, graphNodes: [Node]) {
self.graphNodes = graphNodes;
self.adjacencyList = AdjacencyList.getAdjacencyList(adjacencyMatrix: adjacencyMatrix)
cycles = Array<Array<Node>>()
cycles = [[Node]]()
blocked = Vector<Bool>(adjacencyList.reservedLength)
B = Matrix<Int>(adjacencyList.reservedLength)
stack = Array<Int>()
stack = [Int]()
}
/**
@ -98,7 +98,7 @@ public class ElementaryCyclesSearch<Node> {
*
* @return List::List::Object with the Lists of the elementary cycles.
*/
private func getElementaryCycles() -> Array<Array<Node>> {
private func getElementaryCycles() -> [[Node]] {
let sccs = StrongConnectedComponents(adjacencyList: adjacencyList)
var s = 0
@ -142,7 +142,7 @@ public class ElementaryCyclesSearch<Node> {
let w = adjacencyList[v].get(i)
// found cycle
if w == s {
var cycle = Array<Node>()
var cycle = [Node]()
for j in 0 ..< stack.count {
let index = stack[j]
let node = graphNodes[index] // WARNING guard

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@ -26,7 +26,7 @@ import ElementaryCyclesSearch
typealias Node = String
private func printCycles(_ cycles: Array<Array<Node>>) {
private func printCycles(_ cycles: [[Node]]) {
for i in 0 ..< cycles.count {
let cycle = cycles[i]
for j in 0 ..< cycle.count {
@ -41,8 +41,8 @@ private func printCycles(_ cycles: Array<Array<Node>>) {
}
}
let nodes: Array<Node> = {
var vector = Array<Node>()
let nodes: [Node] = {
var vector = [Node]()
for i in 0 ..< 10 {
vector.append("Node \(i)")
}

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@ -6,8 +6,8 @@ final class ElementaryCyclesSearchTests: XCTestCase {
private typealias Node = String
private var nodes: Array<Node> {
var nodes = Array<Node>()
private var nodes: [Node] {
var nodes = [Node]()
for i in 0 ..< 10 {
nodes.append("Node \(i)")
}
@ -29,9 +29,9 @@ final class ElementaryCyclesSearchTests: XCTestCase {
matrix[6][1] = true
}
private var sut: ((AdjacencyMatrix, Array<Node>) -> Array<Array<Node>>)!
private var sut: ((AdjacencyMatrix, [Node]) -> [[Node]])!
private func prettify(cycles: Array<Array<Node>>) -> String {
private func prettify(cycles: [[Node]]) -> String {
var description = ""
for i in 0 ..< cycles.count {
let cycle = cycles[i]

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@ -7,8 +7,8 @@ final class ElementaryCyclesSearchShould: XCTestCase {
private typealias Node = String
private var nodes: Array<Node> {
var nodes = Array<Node>()
private var nodes: [Node] {
var nodes = [Node]()
for i in 0 ..< 10 {
nodes.append("Node \(i)")
}