In file included from /in/driver/main.cpp:5:0:
/in/hashtable.hpp: In member function 'size_t HashTable<Key, Value, Hash, KeyEqual>::findMinimumBucketSize(size_t) const':
/in/hashtable.hpp:172:176: error: no matching function for call to 'max(double, size_t&)'
         size_t* it = std::lower_bound(std::begin(HashPrime::g_a_sizes), std::end(HashPrime::g_a_sizes), std::max(floor(static_cast<double>(tableSize)/maxLoadFactor),bucketSize));
                                                                                                                                                                                ^
In file included from /usr/include/c++/7/bits/char_traits.h:39:0,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from /in/driver/main.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h:219:5: note: candidate: template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)
     max(const _Tp& __a, const _Tp& __b)
     ^~~
/usr/include/c++/7/bits/stl_algobase.h:219:5: note:   template argument deduction/substitution failed:
In file included from /in/driver/main.cpp:5:0:
/in/hashtable.hpp:172:176: note:   deduced conflicting types for parameter 'const _Tp' ('double' and 'size_t {aka long unsigned int}')
         size_t* it = std::lower_bound(std::begin(HashPrime::g_a_sizes), std::end(HashPrime::g_a_sizes), std::max(floor(static_cast<double>(tableSize)/maxLoadFactor),bucketSize));
                                                                                                                                                                                ^
In file included from /usr/include/c++/7/bits/char_traits.h:39:0,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from /in/driver/main.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h:265:5: note: candidate: template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)
     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
     ^~~
/usr/include/c++/7/bits/stl_algobase.h:265:5: note:   template argument deduction/substitution failed:
In file included from /in/driver/main.cpp:5:0:
/in/hashtable.hpp:172:176: note:   deduced conflicting types for parameter 'const _Tp' ('double' and 'size_t {aka long unsigned int}')
         size_t* it = std::lower_bound(std::begin(HashPrime::g_a_sizes), std::end(HashPrime::g_a_sizes), std::max(floor(static_cast<double>(tableSize)/maxLoadFactor),bucketSize));
                                                                                                                                                                                ^
In file included from /usr/include/c++/7/functional:64:0,
                 from /in/hashtable.hpp:4,
                 from /in/driver/main.cpp:5:
/usr/include/c++/7/bits/stl_algo.h:3462:5: note: candidate: template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)
     max(initializer_list<_Tp> __l)
     ^~~
/usr/include/c++/7/bits/stl_algo.h:3462:5: note:   template argument deduction/substitution failed:
In file included from /in/driver/main.cpp:5:0:
/in/hashtable.hpp:172:176: note:   mismatched types 'std::initializer_list<_Tp>' and 'double'
         size_t* it = std::lower_bound(std::begin(HashPrime::g_a_sizes), std::end(HashPrime::g_a_sizes), std::max(floor(static_cast<double>(tableSize)/maxLoadFactor),bucketSize));
                                                                                                                                                                                ^
In file included from /usr/include/c++/7/functional:64:0,
                 from /in/hashtable.hpp:4,
                 from /in/driver/main.cpp:5:
/usr/include/c++/7/bits/stl_algo.h:3468:5: note: candidate: template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)
     max(initializer_list<_Tp> __l, _Compare __comp)
     ^~~
/usr/include/c++/7/bits/stl_algo.h:3468:5: note:   template argument deduction/substitution failed:
In file included from /in/driver/main.cpp:5:0:
/in/hashtable.hpp:172:176: note:   mismatched types 'std::initializer_list<_Tp>' and 'double'
         size_t* it = std::lower_bound(std::begin(HashPrime::g_a_sizes), std::end(HashPrime::g_a_sizes), std::max(floor(static_cast<double>(tableSize)/maxLoadFactor),bucketSize));
                                                                                                                                                                                ^