id summary reporter owner description type status milestone component version severity resolution keywords cc 1974 ambiguous call to ref in vector_of_vector.hpp when using bind.hpp Will Moss Gunter When bind.hpp and numeric/ublas/vector_of_vector.hpp are both included, instantiating and using a generalized_vector_of_vector causes an ambiguous call to the overloaded function 'boost::numeric::ublas::ref'. See attached code for a simple example and attached patch for the simple proposed fix. Bugs reopened To Be Determined uBLAS Boost 1.56.0 Problem