[LLVMbugs] [Bug 13170] static const integral class member => undefined symbol

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=13170

Richard Smith <richard-llvm at metafoo.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |richard-llvm at metafoo.co.uk
         Resolution|                            |INVALID

--- Comment #2 from Richard Smith <richard-llvm at metafoo.co.uk> 2012-06-21 20:01:43 CDT ---
The error is correct, you are missing the definition of rank_k:

template <class SymmetricRankKUpdateStrategy>
const std::size_t
sum_of_symmetric_rank_1_updates<SymmetricRankKUpdateStrategy>::rank_k;

rank_k is used in the constructor, on line 53:

  u(n, rank_k)

Here, rank_k is passed by const reference to c_grid's constructor, so a
definition is required.

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