1 files changed, 3 insertions, 2 deletions
diff --git a/bigint.h b/bigint.h
index f5f3f17..24f0945 100644
--- a/bigint.h
+++ b/bigint.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <iostream>
+#include <string>
 #include <vector>
 #include <utility>
 #include <cstdint>
@@ -86,8 +87,8 @@ public:
 	bool even() const;
 	bool odd() const;
 
-	std::vector<char> serialise() const;
-	void deserialise(const std::vector<char>&);
+	std::string serialiseMantissa() const; //stores everything but the sign
+	void deserialiseMantissa(const std::string&); //restores non-negative number
 	std::vector<bool> bits() const;
 
 	friend std::istream& operator>>(std::istream&,Bigint&);