1 files changed, 34 insertions, 0 deletions
diff --git a/data/math/factorial b/data/math/factorial
new file mode 100644
index 0000000..42731d6
--- /dev/null
+++ b/data/math/factorial
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+import time
+
+# define a factorial function in recursive flavor
+def factorial_recursive(number):
+    result = 1
+    if n > 0:
+        result = n * factorial_recursive(number-1)
+        print "factorizing: ", number, " result: ", result
+    return result
+
+# define a factorial function in iterative flavor
+def factorial_iterative(number):
+    result = 1
+    for i in range(1, number+1):
+        result = result * i
+        print "factorizing: ", i, " result: ", result
+    return result
+
+def calculate(number, type):
+    start = time.time()
+    if type == 0:
+        type_s = "recursive"
+        result = factorial_recursive(number)
+    else:
+        type_s = "iterative"
+        result = factorial_iterative(number)
+    delta = time.time() - start
+    print "Type: ", type_s, " in: ", 1/delta
+
+# ask for a number to factorize
+number = input("Please input a number:")
+print "Calculating..."
+calculate(number, 0)
+calculate(number, 1)