--- /dev/null
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <math.h>
+#include "mtxutl.h"
+
+#define PI 3.14159265358979323846
+#define END_OF_VEC -1
+
+#define NKOUHO 20
+#define NKOUHO_LONG 500
+
+#define MAX(X,Y) ( ((X)>(Y))?(X):(Y) )
+#define MIN(X,Y) ( ((X)<(Y))?(X):(Y) )
+