id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc 10750,"bad interaction between ublas, float128 and std::complex",vbeffara@…,Gunter,"The following code fails to compile: {{{ #include #include using boost::multiprecision::float128; int main () { boost::numeric::ublas::matrix > A(1,1); lu_factorize(A); } }}} (on OSX 10.10 using g++-4.9 -fext-numeric-literals -lquadmath), I am getting a huge complaint about missing `operator<` at `numeric/ublas/detail/matrix_assign.hpp:33:35`. Things work perfectly with a matrix of float128, or a matrix of std::complex. And other operations work with std::complex. Is std::complex supposed to work?",Bugs,new,To Be Determined,uBLAS,Boost 1.57.0,Problem,,,