From 88565fc74822b0ff9fa8150b665878be96cbba33 Mon Sep 17 00:00:00 2001
From: Sissy Dalampira <sissydk97@gmail.com>
Date: Thu, 4 Oct 2018 21:23:40 +0300
Subject: [PATCH] Adding FactorialOperation class

---
 .../operation/FactorialOperation.kt           | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 app/src/main/kotlin/com/simplemobiletools/calculator/operation/FactorialOperation.kt

diff --git a/app/src/main/kotlin/com/simplemobiletools/calculator/operation/FactorialOperation.kt b/app/src/main/kotlin/com/simplemobiletools/calculator/operation/FactorialOperation.kt
new file mode 100644
index 00000000..c3dd3131
--- /dev/null
+++ b/app/src/main/kotlin/com/simplemobiletools/calculator/operation/FactorialOperation.kt
@@ -0,0 +1,26 @@
+package com.simplemobiletools.calculator.operation
+
+import com.simplemobiletools.calculator.operation.base.BinaryOperation
+import com.simplemobiletools.calculator.operation.base.Operation
+import com.simplemobiletools.calculator.operation.base.UnaryOperation
+
+class ParOperation(value: Double) : UnaryOperation(value), Operation {
+
+    override fun getResult(): Double {
+        var result = 1.0
+        if (value==0.0 || value==1.0){
+            return result
+        }
+        else {
+            var base: Int
+            base = value.toInt()
+            for (i in 1..base){
+                //Find Factorial of a number using for loop
+                result *= i
+
+            }
+        }
+        return result
+
+    }
+}
\ No newline at end of file