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ublas::matrix broken with compiler error with build 1.80 but not 1.63 #179

@carljwhite3

Description

@carljwhite3

Was trying to compile the following code and received the following error information.

Code:

#include <boost/numeric/ublas/matrix.hpp>

int main()
{
    boost::numeric::ublas::matrix<double> u;

    u = u / norm_frobenius(u);  // u /= norm_frobenius(u) works

    return 0;
}

Error:

In file included from /opt/boost/boost/typeof/typeof.hpp:216,
                 from /opt/boost/boost/numeric/ublas/traits.hpp:29,
                 from /opt/boost/boost/numeric/ublas/storage.hpp:27,
                 from /opt/boost/boost/numeric/ublas/vector.hpp:21,
                 from /opt/boost/boost/numeric/ublas/matrix.hpp:18,
                 from example.cpp:1:
/opt/boost/boost/numeric/ublas/traits.hpp: In instantiation of ‘struct boost::numeric::ublas::promote_traits<double, boost::numeric::ublas::matrix_scalar_unary<boost::numeric::ublas::matrix<double>, boost::numeric::ublas::matrix_norm_frobenius<boost::numeric::ublas::matrix<double> > > >’:
/opt/boost/boost/numeric/ublas/functional.hpp:126:63:   required from ‘struct boost::numeric::ublas::scalar_binary_functor<double, boost::numeric::ublas::matrix_scalar_unary<boost::numeric::ublas::matrix<double>, boost::numeric::ublas::matrix_norm_frobenius<boost::numeric::ublas::matrix<double> > > >’
/opt/boost/boost/numeric/ublas/functional.hpp:166:12:   required from ‘struct boost::numeric::ublas::scalar_divides<double, boost::numeric::ublas::matrix_scalar_unary<boost::numeric::ublas::matrix<double>, boost::numeric::ublas::matrix_norm_frobenius<boost::numeric::ublas::matrix<double> > > >’
/opt/boost/boost/numeric/ublas/matrix_expression.hpp:3491:34:   required from ‘class boost::numeric::ublas::matrix_binary_scalar2<boost::numeric::ublas::matrix<double>, const boost::numeric::ublas::matrix_scalar_unary<boost::numeric::ublas::matrix<double>, boost::numeric::ublas::matrix_norm_frobenius<boost::numeric::ublas::matrix<double> > >, boost::numeric::ublas::scalar_divides<double, boost::numeric::ublas::matrix_scalar_unary<boost::numeric::ublas::matrix<double>, boost::numeric::ublas::matrix_norm_frobenius<boost::numeric::ublas::matrix<double> > > > >’
example.cpp:7:29:   required from here
/opt/boost/boost/numeric/ublas/traits.hpp:154:40: error: no matching function for call to ‘boost::numeric::ublas::matrix_scalar_unary<boost::numeric::ublas::matrix<double>, boost::numeric::ublas::matrix_norm_frobenius<boost::numeric::ublas::matrix<double> > >::matrix_scalar_unary()’
  154 |         typedef BOOST_TYPEOF_TPL(X() + Y()) promote_type;
      |                                        ^~~
/opt/boost/boost/typeof/decltype.hpp:17:69: note: in definition of macro ‘BOOST_TYPEOF’
   17 | #define BOOST_TYPEOF(expr) boost::type_of::remove_cv_ref_t<decltype(expr)>
      |                                                                     ^~~~
/opt/boost/boost/numeric/ublas/traits.hpp:154:17: note: in expansion of macro ‘BOOST_TYPEOF_TPL’
  154 |         typedef BOOST_TYPEOF_TPL(X() + Y()) promote_type;
      |                 ^~~~~~~~~~~~~~~~
In file included from /opt/boost/boost/numeric/ublas/matrix.hpp:19,
                 from example.cpp:1:
/opt/boost/boost/numeric/ublas/matrix_expression.hpp:5637:11: note: candidate: ‘boost::numeric::ublas::matrix_scalar_unary<E, F>::matrix_scalar_unary(const expression_type&) [with E = boost::numeric::ublas::matrix<double>; F = boost::numeric::ublas::matrix_norm_frobenius<boost::numeric::ublas::matrix<double> >; boost::numeric::ublas::matrix_scalar_unary<E, F>::expression_type = boost::numeric::ublas::matrix<double>]’
 5637 |  explicit matrix_scalar_unary (const expression_type &e):
      |           ^~~~~~~~~~~~~~~~~~~
/opt/boost/boost/numeric/ublas/matrix_expression.hpp:5637:11: note:   candidate expects 1 argument, 0 provided
/opt/boost/boost/numeric/ublas/matrix_expression.hpp:5627:7: note: candidate: ‘constexpr boost::numeric::ublas::matrix_scalar_unary<boost::numeric::ublas::matrix<double>, boost::numeric::ublas::matrix_norm_frobenius<boost::numeric::ublas::matrix<double> > >::matrix_scalar_unary(const boost::numeric::ublas::matrix_scalar_unary<boost::numeric::ublas::matrix<double>, boost::numeric::ublas::matrix_norm_frobenius<boost::numeric::ublas::matrix<double> > >&)’
 5627 | class matrix_scalar_unary:
      |       ^~~~~~~~~~~~~~~~~~~
/opt/boost/boost/numeric/ublas/matrix_expression.hpp:5627:7: note:   candidate expects 1 argument, 0 provided
/opt/boost/boost/numeric/ublas/matrix_expression.hpp:5627:7: note: candidate: ‘constexpr boost::numeric::ublas::matrix_scalar_unary<boost::numeric::ublas::matrix<double>, boost::numeric::ublas::matrix_norm_frobenius<boost::numeric::ublas::matrix<double> > >::matrix_scalar_unary(boost::numeric::ublas::matrix_scalar_unary<boost::numeric::ublas::matrix<double>, boost::numeric::ublas::matrix_norm_frobenius<boost::numeric::ublas::matrix<double> > >&&)’
/opt/boost/boost/numeric/ublas/matrix_expression.hpp:5627:7: note:   candidate expects 1 argument, 0 provided

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