Sha256: cc3cd1a54c57aa11d65a0ad3134e2dd4ff3f59528ff987598bec092e6c9ce863
Contents?: true
Size: 1.21 KB
Versions: 188
Compression:
Stored size: 1.21 KB
Contents
let triangleKind = (Equilateral:"Equilateral", Isosceles:"Isosceles", Scalene:"Scalene", ErrorKind:"ErrorKind")
struct Triangle {
var a: Double = 0
var b: Double = 0
var c: Double = 0
var kind: String {
return self.kindOfTriangle()
}
init(_ a: Double, _ b: Double, _ c: Double) {
(self.a, self.b, self.c) = (a, b, c)
}
func uniqueSides() -> Int {
var tempSet = Set<Double>()
for each in [a, b, c] {
tempSet.insert(each)
}
return tempSet.count
}
func allSidesAreZero() -> Bool {
return a == 0 && b == 0 && c == 0
}
func hasImpossibleSides() -> Bool {
return a < 0 || b < 0 || c < 0
}
func violatesTriangleInequality() -> Bool {
return a + b < c || a + c < b || b + c < a
}
func kindOfTriangle() -> String {
if allSidesAreZero() || hasImpossibleSides() || violatesTriangleInequality() {
return triangleKind.ErrorKind
}
let unique = uniqueSides()
if unique == 1 {
return triangleKind.Equilateral
}
if unique == 2 {
return triangleKind.Isosceles
}
return triangleKind.Scalene
}
}
Version data entries
188 entries across 188 versions & 1 rubygems