ublas::matrix<double, column_major> A(3,3);

A(0,0) = 2; A(0,1) = 0; A(0,2) = 0;

A(1,0) = 0; A(1,1) = 1; A(1,2) = 0;

A(2,0) = 0; A(2,1) = 0; A(2,2) = 2;

ublas::matrix<double, column_major> b(3,1);

b(0,0) = 2;

b(1,0) = 1;

b(2,0) = 2;

ublas::vector<int> ipiv(3);

//std::vector<int> ipiv (3); //tried this as well

//int ipiv[3]; //tried this as well

lapack::gesv(A, ipiv, b);

1>C:\working\libraries\boost\boost/numeric/bindings/lapack/driver/gesv.hpp(71): error: no instance of function template "boost::numeric::bindings::traits::vector_size" matches the argument list

1>            argument types are: (int *)

1>          assert( traits::vector_size(traits::vector_storage(ipiv)) >=

1>          ^

1>          detected during:

1>            instantiation of "void boost::numeric::bindings::lapack::gesv_impl<ValueType>::compute(MatrixA &, VectorIPIV &, MatrixB &, integer_t={int} &) [with ValueType=double, MatrixA=boost::numeric::ublas::matrix<double, boost::numeric::ublas::column_major, boost::numeric::ublas::unbounded_array<double, std::allocator<QuantLib::Real={double}>>>, VectorIPIV=boost::numeric::ublas::vector<int, boost::numeric::ublas::unbounded_array<int, std::allocator<int>>>,

1>                      MatrixB=boost::numeric::ublas::matrix<double, boost::numeric::ublas::column_major, boost::numeric::ublas::unbounded_array<double, std::allocator<QuantLib::Real={double}>>>]" at line 89

1>            instantiation of "integer_t={int} boost::numeric::bindings::lapack::gesv(MatrixA &, VectorIPIV &, MatrixB &) [with MatrixA=boost::numeric::ublas::matrix<double, boost::numeric::ublas::column_major, boost::numeric::ublas::unbounded_array<double, std::allocator<QuantLib::Real={double}>>>, VectorIPIV=boost::numeric::ublas::vector<int, boost::numeric::ublas::unbounded_array<int, std::allocator<int>>>, MatrixB=boost::numeric::ublas::matrix<double, boost::numeric::ublas::column_major,

1>                      boost::numeric::ublas::unbounded_array<double, std::allocator<QuantLib::Real={double}>>>]" at line 61 of ".\test_ublas.hpp"