- inserted a couple of missing namepace std:: resolutions.
[ginac.git] / ginac / indexed.cpp
index a2eda2c482b1621e7a94798a5db3ebece9ffbff4..90e3d4c361b049ab016483c074c48f8b13658189 100644 (file)
@@ -226,7 +226,7 @@ bool indexed::info(unsigned inf) const
        return inherited::info(inf);
 }
 
-struct idx_is_not : public binary_function<ex, unsigned, bool> {
+struct idx_is_not : public std::binary_function<ex, unsigned, bool> {
        bool operator() (const ex & e, unsigned inf) const {
                return !(ex_to_idx(e).get_value().info(inf));
        }