From 7d7033cd615b0c1320e00ce8efb619532d40afe2 Mon Sep 17 00:00:00 2001
From: Kaputchino <61330453+Kaputchino@users.noreply.github.com>
Date: Wed, 25 May 2022 18:56:07 +0200
Subject: [PATCH] add functions

---
 ZSharp/ZS.h | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 60 insertions(+), 1 deletion(-)

diff --git a/ZSharp/ZS.h b/ZSharp/ZS.h
index 175beef..c5956e8 100644
--- a/ZSharp/ZS.h
+++ b/ZSharp/ZS.h
@@ -142,5 +142,64 @@ func GetKey(keyName)
 //{
 //	ZS.System.SplitThread(function)
 //}
+
+//Function made by Kaputchino
+
+//return the number of combinaison
+
+func Comb(n, r)
+{
+    return Perm(n ,r) / Fac(r)
+}
+//return the number of permutation
+
+func Perm(n, r)
+{
+    if n < 0 
+    {
+        ZS.System.PrintLine("n muss be superior or equal to 0")
+        return -1
+    }
+    if r < 0
+    {
+        ZS.System.PrintLine("r muss be superior or equal to 0")
+        return -1
+    }
+    if r > n
+    {
+        ZS.System.PrintLine("r muss be inferor or equal to n")
+        return -1
+    }
+    return Fac(n) / Fac(n - r)
+}
+//return the factorial of a number
+
+func Fac(x)
+{
+    int r = 1
+    while x > 1
+    {
+        r = r * x
+        x = x - 1
+    }
+    return r
+}
+//return exp(x) by using the taylor method, not extremly accurate
+
+func TaylorExp(x)
+{
+    float sum = 0
+    float term = 1
+    int i = 1
+    float sumterm = 1
+    while sum != sumterm
+    {
+        sum = sumterm
+        term = term * x / i
+        i = i + 1
+        sumterm = sumterm + term
+    }
+    return sum
+}
 )"
-;
\ No newline at end of file
+;