--- /dev/null
+#ifndef _ARBINT_H
+#define _ARBINT_H
+
+#include <vector>
+
+namespace IPDF
+{
+ class Arbint
+ {
+ public:
+ Arbint(int64_t i);
+ ~Arbint() {}
+ Arbint(const Arbint & cpy);
+
+ std::string Str() const;
+
+ private:
+ std::vector<uint32_t> m_words;
+ bool m_sign;
+
+
+
+ };
+}
+
+#endif //_ARBINT_H