gcc 4.8 compile error #38
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stl sort Compare function definition modify
t-phada
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Aug 19, 2020
stl sort Compare function definition modify
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stl sort Compare function definition modify.
In file included from /usr/include/c++/4.8.2/algorithm:62:0,
from /root/code/SPTAG/AnnService/inc/Core/BKT/../Common/CommonUtils.h:14,
from /root/code/SPTAG/AnnService/inc/Core/BKT/Index.h:10,
from /root/code/SPTAG/AnnService/src/Core/BKT/BKTIndex.cpp:4:
/usr/include/c++/4.8.2/bits/stl_algo.h: In instantiation of '_RandomAccessIterator std::__unguarded_partition(_RandomAccessIterator, _RandomAccessIterator, const _Tp&, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<SPTAG::BasicResult*, std::vectorSPTAG::BasicResult >; _Tp = SPTAG::BasicResult; _Compare = bool ()(SPTAG::BasicResult&, SPTAG::BasicResult&)]':
/usr/include/c++/4.8.2/bits/stl_algo.h:2296:78: required from '_RandomAccessIterator std::__unguarded_partition_pivot(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<SPTAG::BasicResult, std::vectorSPTAG::BasicResult >; _Compare = bool ()(SPTAG::BasicResult&, SPTAG::BasicResult&)]'
/usr/include/c++/4.8.2/bits/stl_algo.h:2337:62: required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<SPTAG::BasicResult, std::vectorSPTAG::BasicResult >; _Size = long int; _Compare = bool ()(SPTAG::BasicResult&, SPTAG::BasicResult&)]'
/usr/include/c++/4.8.2/bits/stl_algo.h:5499:44: required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<SPTAG::BasicResult, std::vectorSPTAG::BasicResult >; _Compare = bool ()(SPTAG::BasicResult&, SPTAG::BasicResult&)]'
/root/code/SPTAG/AnnService/inc/Core/BKT/../Common/NeighborhoodGraph.h:246:80: required from 'void SPTAG::COMMON::NeighborhoodGraph::PartitionByTptree(SPTAG::VectorIndex, std::vector&, int, int, std::vector<std::pair<int, int> >&) [with T = signed char]'
/root/code/SPTAG/AnnService/inc/Core/BKT/../Common/NeighborhoodGraph.h:72:114: required from 'void SPTAG::COMMON::NeighborhoodGraph::BuildGraph(SPTAG::VectorIndex*, const std::unordered_map<int, int>) [with T = signed char]'
/root/code/SPTAG/AnnService/src/Core/BKT/BKTIndex.cpp:150:13: required from 'SPTAG::ErrorCode SPTAG::BKT::Index::BuildIndex(const void, int, int) [with T = signed char]'
/root/code/SPTAG/AnnService/inc/Core/DefinitionList.h:6:1: required from here
/usr/include/c++/4.8.2/bits/stl_algo.h:2263:35: error: invalid initialization of reference of type 'SPTAG::BasicResult&' from expression of type 'const SPTAG::BasicResult'
while (__comp(*__first, __pivot))
^
/usr/include/c++/4.8.2/bits/stl_algo.h:2266:34: error: invalid initialization of reference of type 'SPTAG::BasicResult&' from expression of type 'const SPTAG::BasicResult'
while (__comp(__pivot, *__last))
^
make[2]: *** [AnnService/CMakeFiles/SPTAGLib.dir/src/Core/BKT/BKTIndex.cpp.o] Error 1
make[1]: *** [AnnService/CMakeFiles/SPTAGLib.dir/all] Error 2