Added fromString<>( const std::string& x )

[libdai.git] / include / dai / util.h

diff --git a/include/dai/util.h b/include/dai/util.h
index f913da4..783a990 100644 (file)
--- a/include/dai/util.h
+++ b/include/dai/util.h
@@ -145,13 +145,20 @@ inline int rnd( int n ) {
 }
 
 
-/// Converts a variable of type \a T to a \c std::string by using a \c std::stringstream
+/// Converts a variable of type \a T to a \c std::string by using a \c boost::lexical_cast
 template<class T>
 std::string toString( const T& x ) {
     return boost::lexical_cast<std::string>(x);
 }
 
 
+/// Converts a variable of type std::string to \a T by using a \c boost::lexical_cast
+template<class T>
+T fromString( const std::string& x ) {
+    return boost::lexical_cast<T>(x);
+}
+
+
 /// Writes a \c std::vector<> to a \c std::ostream
 template<class T>
 std::ostream& operator << (std::ostream& os, const std::vector<T> & x) {