commit : denoise lib first iteration

test/denoisetest.c

@@ -0,0 +1,12 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include "../header/denoise.h"
+
+int main() {
+	double x[10] = {1.2,4.3,-0.7,90,4.7,123.5,-9.5,-100,0.0,89};
+
+	printf("%g \n",mad(x,10));
+	return 0;
+}