TP4 SCR

SCR/SCR3.1/TP04/pi.c

@@ -0,0 +1,36 @@
+#include<unistd.h>
+#include<stdio.h>
+#include<stdlib.h>
+#include<signal.h>
+#include<stdint.h>
+#include<assert.h>
+#include "helpers.h"
+
+
+uint64_t shots = 0,
+		 shots_in = 0;
+
+double pi = 0,
+	   t1;
+
+void onAlarmSent(double pi, uint64_t shots) {
+	printf("Pi value = %f, Shots value = %lu", pi, shots);
+}
+
+int main(int argc,char * argv[])
+{
+	double x,y;
+	t1 = tstamp();
+
+	set_signal_handler(SIGALRM, onAlarmSent);
+	alarm(5);
+
+	while(1){
+		x = ((double)rand())/(double)RAND_MAX;
+		y = ((double)rand())/(double)RAND_MAX;
+		shots ++;
+
+		if ((x*x+y*y) <= 1) 
+			shots_in ++;
+	}
+}