Merge pull request #266 from Roberto-deP-Martins/main

Adds exponentiation.swift and recursiveExponentiation.swift

Author: kelvins

README.md

@@ -740,8 +740,8 @@ In order to achieve greater coverage and encourage more people to contribute to
                 </a>
             </td>
             <td> <!-- Swift -->
-                <a href="./CONTRIBUTING.md">
-                    <img align="center" height="25" src="./logos/github.svg" />
+                <a href="./src/swift/exponentiation.swift">
+                    <img align="center" height="25" src="./logos/swift.svg" />
                 </a>
             </td>
             <td> <!-- Rust -->
@@ -798,8 +798,8 @@ In order to achieve greater coverage and encourage more people to contribute to
                 </a>
             </td>
             <td> <!-- Swift -->
-                <a href="./CONTRIBUTING.md">
-                    <img align="center" height="25" src="./logos/github.svg" />
+                <a href="./src/swift/recursiveExponentiation.swift">
+                    <img align="center" height="25" src="./logos/swift.svg" />
                 </a>
             </td>
             <td> <!-- Rust -->

src/swift/exponentiation.swift

@@ -0,0 +1,22 @@
+/* exponentiation.swift
+Written by Roberto Martins on 10/10/2023
+*/
+
+func exponentiation<Number: Numeric>(base: Number, power: Int) -> Number {
+    var result = base
+    if power == 0 {
+        return 1
+    }
+    for _ in 0..<power - 1 {
+        result *= base
+    }
+    return result
+}
+
+func main() {
+    print(exponentiation(base: 5, power: 3))
+    print(exponentiation(base: 2.5, power: 4))
+    print(exponentiation(base: 50, power: 0))
+}
+
+main()

src/swift/recursiveExponentiation.swift

@@ -0,0 +1,18 @@
+/* recursiveExponentiation.swift
+Written by Roberto Martins on 10/10/2023
+*/
+
+func recursiveExponentiation<Number: Numeric>(base: Number, power: Int) -> Number {
+    if (power == 0) {
+        return 1
+    }
+    return base * recursiveExponentiation(base: base, power: power - 1)
+}
+
+func main() {
+    print(recursiveExponentiation(base: 5, power: 3))
+    print(recursiveExponentiation(base: 2.5, power: 4))
+    print(recursiveExponentiation(base: 50, power: 0))
+}
+
+main()