1 files changed, 1 insertions, 0 deletions
diff --git a/bigint.h b/bigint.h
index c66dcf6..0378493 100644
--- a/bigint.h
+++ b/bigint.h
@@ -100,6 +100,7 @@ public:
 	slongdigit_t lowdigits() const;
 	bool even() const;
 	bool odd() const;
+	int trailingZeros() const; //throws domain_error if called on zero value
 
 	std::string serialiseMantissa() const; //stores everything but the sign
 	void deserialiseMantissa(const std::string&); //restores non-negative number; can throw invalid_argument