Better error handling (exceptions)

1 files changed, 3 insertions, 1 deletions

diff --git a/bigint.h b/bigint.h
index a4c29d6..a3c5be3 100644
--- a/bigint.h
+++ b/bigint.h
@@ -93,7 +93,9 @@ public:
 	bool odd() const;
 
 	std::string serialiseMantissa() const; //stores everything but the sign
-	void deserialiseMantissa(const std::string&); //restores non-negative number
+
+	//restores non-negative number; can throw invalid_argument
+	void deserialiseMantissa(const std::string&);
 	std::vector<bool> bits() const;
 
 	friend std::istream& operator>>(std::istream&,Bigint&);