From c298ca7e6beaad0bcc32af6d4cf50d41b79f13b7 Mon Sep 17 00:00:00 2001
From: Miguel <m.i@gmx.at>
Date: Fri, 21 Sep 2018 12:56:51 +0200
Subject: fix framebufffer/ textmode and clean userspace a little bit more

---
 userspace/test_math.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 userspace/test_math.c

(limited to 'userspace/test_math.c')

diff --git a/userspace/test_math.c b/userspace/test_math.c
new file mode 100644
index 0000000..9327c19
--- /dev/null
+++ b/userspace/test_math.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <math.h>
+#include <time.h>
+
+int main(int argc, char **argv) 
+{
+     time_t ltime;
+     time(&ltime); 
+     printf("the time is %s", ctime(&ltime));
+
+     unsigned int seed=time(NULL);
+     printf("seed = %u\n",seed);
+
+     srand(seed);
+
+     for(int i=0;i<10;i++)
+     {
+	 int r=rand()%100;
+	 printf ("the random number is %i",r);
+	 printf("sin(%i) = %f \n",r,sin(r));
+     }
+
+
+     return 0;
+}
+
+
+
+
+
-- 
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