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Sumith1896/gist:5af13575a9eaa3715916

Created July 20, 2015 12:13
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```
../../libsymengine.a(polys.cpp.o): In function `SymEngine::Polynomial::Polynomial(std::vector<SymEngine::RCP<SymEngine::Symbol const>, std::allocator<SymEngine::RCP<SymEngine::Symbol const> > > const&, piranha::hash_set<SymEngine::m_pair, SymEngine::pair_hash, SymEngine::pair_eq>)':
polys.cpp:(.text+0x92b): undefined reference to `vtable for SymEngine::Polynomial'
../../libsymengine.a(polys.cpp.o): In function `SymEngine::Polynomial::Polynomial(SymEngine::RCP<SymEngine::Basic const> const&, std::unordered_map<SymEngine::RCP<SymEngine::Basic const>, SymEngine::RCP<SymEngine::Number const>, SymEngine::RCPBasicHash, SymEngine::RCPBasicKeyEq, std::allocator<std::pair<SymEngine::RCP<SymEngine::Basic const> const, SymEngine::RCP<SymEngine::Number const> > > >&)':
polys.cpp:(.text+0x17f9): undefined reference to `vtable for SymEngine::Polynomial'
collect2: error: ld returned 1 exit status
make[2]: *** [symengine/tests/basic/test_polynomial] Error 1
make[1]: *** [symengine/tests/basic/CMakeFiles/test_polynomial.dir/all] Error 2
make: *** [all] Error 2
sumith@sumith-Lenovo-Z50-70:~/github/csympy$
```
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