returnstd::string("Unable to compute eigenvalues. "+std::to_string(info)+" elements of an intermediate tridiagonal did not converge to zero.");
}
std::string_lapack_unsupported_type()
{
returnstd::string("LAPACK does not support the type you selected. Lapack only supports doubles, floats, complex<double> and complex<float>. If you haven't chosen these types, please contact the library writer about this error.");