From 6e6b250132daf6dd543094ad38a31f70db1acfa0 Mon Sep 17 00:00:00 2001
From: Louis Malevez <louis.malevez@student.uclouvain.be>
Date: Mon, 20 Apr 2020 22:19:39 +0200
Subject: [PATCH] Fonction qui factorise en facteur premier
---
primef.h | 39 +++++++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
create mode 100644 primef.h
diff --git a/primef.h b/primef.h
new file mode 100644
index 0000000..21ebd73
--- /dev/null
+++ b/primef.h
@@ -0,0 +1,39 @@
+//
+// Created by Louis Malevez on 19-04-20.
+//
+
+#ifndef PROJET_Q4_GROUPE_O4_PRIMEF_H
+#define PROJET_Q4_GROUPE_O4_PRIMEF_H
+# include <stdio.h>
+# include <math.h>
+int primeFactors(int n, FILE*f_out);
+
+
+int primeFactors(int n,FILE*f_out){// prends un fichier et écrit un entier et ses diviseurs dedans
+ int count1=0;
+ int count2=0;
+ fprintf(f_out,"%d ",n);
+ while (n%2 == 0)
+ {
+ if(count1==0) fprintf(f_out,"%d ", 2);
+ n = n/2;
+ count1+=1;
+ }
+ for (int i = 3; i*i <= n; i = i+2)
+ {
+ while (n%i == 0){
+
+ if(count2==0) fprintf(f_out,"%d ", i);
+ n=n/i;
+ count2+=1;
+ }
+ count2=0;
+ }
+ if (n > 2)
+ fprintf (f_out,"%d ", n);
+ fprintf(f_out,"\n");//passe à la ligne qd c'es terminé
+ return 0;
+}
+
+
+#endif //PROJET_Q4_GROUPE_O4_PRIMEF_H
--
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