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-rw-r--r--userspace/test_math.c33
1 files changed, 33 insertions, 0 deletions
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;
+}
+
+
+
+
+