* installing *source* package 'maq' ...
** using staged installation
** libs
using C++ compiler: 'g++.exe (GCC) 12.2.0'
g++ -std=gnu++17  -I"D:/RCompile/recent/R/include" -DNDEBUG  -I'D:/RCompile/CRANpkg/lib/4.4/Rcpp/include'   -I"d:/rtools43/x86_64-w64-mingw32.static.posix/include"  -I. -Isrc -DR_BUILD   -pedantic -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign  -c RcppBindings.cpp -o RcppBindings.o
In file included from d:\rtools43\x86_64-w64-mingw32.static.posix\lib\gcc\x86_64-w64-mingw32.static.posix\12.2.0\include\c++\vector:64,
                 from D:/RCompile/CRANpkg/lib/4.4/Rcpp/include/RcppCommon.h:60,
                 from D:/RCompile/CRANpkg/lib/4.4/Rcpp/include/Rcpp.h:27,
                 from RcppBindings.cpp:1:
In member function 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](size_type) const [with _Tp = double; _Alloc = std::allocator<double>]',
    inlined from 'double maq::DataMean<DataType>::get_cost(size_t, size_t) const [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Provided, maq::CostType::Vector>]' at src/DataMean.hpp:35:22,
    inlined from 'maq::solution_path maq::compute_path(const std::vector<long long unsigned int>&, const std::vector<long long unsigned int>&, const DataType&, double, bool) [with DataType = DataMean<Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Provided, maq::CostType::Vector> >]' at src/compute_path.hpp:120:43:
d:\rtools43\x86_64-w64-mingw32.static.posix\lib\gcc\x86_64-w64-mingw32.static.posix\12.2.0\include\c++\bits\stl_vector.h:1143:41: warning: 'previous_arm' may be used uninitialized [-Wmaybe-uninitialized]
 1143 |         return *(this->_M_impl._M_start + __n);
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
In file included from src/Solver.hpp:14,
                 from src/MAQ.h:10,
                 from RcppBindings.cpp:3:
src/compute_path.hpp: In function 'maq::solution_path maq::compute_path(const std::vector<long long unsigned int>&, const std::vector<long long unsigned int>&, const DataType&, double, bool) [with DataType = DataMean<Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Provided, maq::CostType::Vector> >]':
src/compute_path.hpp:116:10: note: 'previous_arm' was declared here
  116 |   size_t previous_arm;
      |          ^~~~~~~~~~~~
In member function 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](size_type) const [with _Tp = double; _Alloc = std::allocator<double>]',
    inlined from 'double maq::DataMean<DataType>::get_cost(size_t, size_t) const [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Provided, maq::CostType::Matrix>]' at src/DataMean.hpp:35:22,
    inlined from 'maq::solution_path maq::compute_path(const std::vector<long long unsigned int>&, const std::vector<long long unsigned int>&, const DataType&, double, bool) [with DataType = DataMean<Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Provided, maq::CostType::Matrix> >]' at src/compute_path.hpp:120:43:
d:\rtools43\x86_64-w64-mingw32.static.posix\lib\gcc\x86_64-w64-mingw32.static.posix\12.2.0\include\c++\bits\stl_vector.h:1143:41: warning: 'previous_arm' may be used uninitialized [-Wmaybe-uninitialized]
 1143 |         return *(this->_M_impl._M_start + __n);
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
src/compute_path.hpp: In function 'maq::solution_path maq::compute_path(const std::vector<long long unsigned int>&, const std::vector<long long unsigned int>&, const DataType&, double, bool) [with DataType = DataMean<Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Provided, maq::CostType::Matrix> >]':
src/compute_path.hpp:116:10: note: 'previous_arm' was declared here
  116 |   size_t previous_arm;
      |          ^~~~~~~~~~~~
In member function 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](size_type) const [with _Tp = double; _Alloc = std::allocator<double>]',
    inlined from 'double maq::DataMean<DataType>::get_cost(size_t, size_t) const [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Default, maq::CostType::Matrix>]' at src/DataMean.hpp:35:22,
    inlined from 'maq::solution_path maq::compute_path(const std::vector<long long unsigned int>&, const std::vector<long long unsigned int>&, const DataType&, double, bool) [with DataType = DataMean<Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Default, maq::CostType::Matrix> >]' at src/compute_path.hpp:120:43:
d:\rtools43\x86_64-w64-mingw32.static.posix\lib\gcc\x86_64-w64-mingw32.static.posix\12.2.0\include\c++\bits\stl_vector.h:1143:41: warning: 'previous_arm' may be used uninitialized [-Wmaybe-uninitialized]
 1143 |         return *(this->_M_impl._M_start + __n);
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
src/compute_path.hpp: In function 'maq::solution_path maq::compute_path(const std::vector<long long unsigned int>&, const std::vector<long long unsigned int>&, const DataType&, double, bool) [with DataType = DataMean<Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Default, maq::CostType::Matrix> >]':
src/compute_path.hpp:116:10: note: 'previous_arm' was declared here
  116 |   size_t previous_arm;
      |          ^~~~~~~~~~~~
In member function 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](size_type) const [with _Tp = double; _Alloc = std::allocator<double>]',
    inlined from 'double maq::DataMean<DataType>::get_cost(size_t, size_t) const [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Provided, maq::CostType::Vector>]' at src/DataMean.hpp:35:22,
    inlined from 'maq::solution_path maq::compute_path(const std::vector<long long unsigned int>&, const std::vector<long long unsigned int>&, const DataType&, double, bool) [with DataType = DataMean<Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Provided, maq::CostType::Vector> >]' at src/compute_path.hpp:120:43:
d:\rtools43\x86_64-w64-mingw32.static.posix\lib\gcc\x86_64-w64-mingw32.static.posix\12.2.0\include\c++\bits\stl_vector.h:1143:41: warning: 'previous_arm' may be used uninitialized [-Wmaybe-uninitialized]
 1143 |         return *(this->_M_impl._M_start + __n);
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
src/compute_path.hpp: In function 'maq::solution_path maq::compute_path(const std::vector<long long unsigned int>&, const std::vector<long long unsigned int>&, const DataType&, double, bool) [with DataType = DataMean<Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Provided, maq::CostType::Vector> >]':
src/compute_path.hpp:116:10: note: 'previous_arm' was declared here
  116 |   size_t previous_arm;
      |          ^~~~~~~~~~~~
In member function 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](size_type) const [with _Tp = double; _Alloc = std::allocator<double>]',
    inlined from 'double maq::DataMean<DataType>::get_cost(size_t, size_t) const [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Default, maq::CostType::Vector>]' at src/DataMean.hpp:35:22,
    inlined from 'maq::solution_path maq::compute_path(const std::vector<long long unsigned int>&, const std::vector<long long unsigned int>&, const DataType&, double, bool) [with DataType = DataMean<Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Default, maq::CostType::Vector> >]' at src/compute_path.hpp:120:43:
d:\rtools43\x86_64-w64-mingw32.static.posix\lib\gcc\x86_64-w64-mingw32.static.posix\12.2.0\include\c++\bits\stl_vector.h:1143:41: warning: 'previous_arm' may be used uninitialized [-Wmaybe-uninitialized]
 1143 |         return *(this->_M_impl._M_start + __n);
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
src/compute_path.hpp: In function 'maq::solution_path maq::compute_path(const std::vector<long long unsigned int>&, const std::vector<long long unsigned int>&, const DataType&, double, bool) [with DataType = DataMean<Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Default, maq::CostType::Vector> >]':
src/compute_path.hpp:116:10: note: 'previous_arm' was declared here
  116 |   size_t previous_arm;
      |          ^~~~~~~~~~~~
In member function 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](size_type) const [with _Tp = double; _Alloc = std::allocator<double>]',
    inlined from 'double maq::DataMean<DataType>::get_cost(size_t, size_t) const [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Provided, maq::CostType::Matrix>]' at src/DataMean.hpp:35:22,
    inlined from 'maq::solution_path maq::compute_path(const std::vector<long long unsigned int>&, const std::vector<long long unsigned int>&, const DataType&, double, bool) [with DataType = DataMean<Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Provided, maq::CostType::Matrix> >]' at src/compute_path.hpp:120:43:
d:\rtools43\x86_64-w64-mingw32.static.posix\lib\gcc\x86_64-w64-mingw32.static.posix\12.2.0\include\c++\bits\stl_vector.h:1143:41: warning: 'previous_arm' may be used uninitialized [-Wmaybe-uninitialized]
 1143 |         return *(this->_M_impl._M_start + __n);
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
src/compute_path.hpp: In function 'maq::solution_path maq::compute_path(const std::vector<long long unsigned int>&, const std::vector<long long unsigned int>&, const DataType&, double, bool) [with DataType = DataMean<Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Provided, maq::CostType::Matrix> >]':
src/compute_path.hpp:116:10: note: 'previous_arm' was declared here
  116 |   size_t previous_arm;
      |          ^~~~~~~~~~~~
In member function 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](size_type) const [with _Tp = double; _Alloc = std::allocator<double>]',
    inlined from 'double maq::DataMean<DataType>::get_cost(size_t, size_t) const [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Default, maq::CostType::Matrix>]' at src/DataMean.hpp:35:22,
    inlined from 'maq::solution_path maq::compute_path(const std::vector<long long unsigned int>&, const std::vector<long long unsigned int>&, const DataType&, double, bool) [with DataType = DataMean<Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Default, maq::CostType::Matrix> >]' at src/compute_path.hpp:120:43:
d:\rtools43\x86_64-w64-mingw32.static.posix\lib\gcc\x86_64-w64-mingw32.static.posix\12.2.0\include\c++\bits\stl_vector.h:1143:41: warning: 'previous_arm' may be used uninitialized [-Wmaybe-uninitialized]
 1143 |         return *(this->_M_impl._M_start + __n);
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
src/compute_path.hpp: In function 'maq::solution_path maq::compute_path(const std::vector<long long unsigned int>&, const std::vector<long long unsigned int>&, const DataType&, double, bool) [with DataType = DataMean<Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Default, maq::CostType::Matrix> >]':
src/compute_path.hpp:116:10: note: 'previous_arm' was declared here
  116 |   size_t previous_arm;
      |          ^~~~~~~~~~~~
In member function 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](size_type) const [with _Tp = double; _Alloc = std::allocator<double>]',
    inlined from 'double maq::DataMean<DataType>::get_cost(size_t, size_t) const [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Default, maq::CostType::Vector>]' at src/DataMean.hpp:35:22,
    inlined from 'maq::solution_path maq::compute_path(const std::vector<long long unsigned int>&, const std::vector<long long unsigned int>&, const DataType&, double, bool) [with DataType = DataMean<Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Default, maq::CostType::Vector> >]' at src/compute_path.hpp:120:43:
d:\rtools43\x86_64-w64-mingw32.static.posix\lib\gcc\x86_64-w64-mingw32.static.posix\12.2.0\include\c++\bits\stl_vector.h:1143:41: warning: 'previous_arm' may be used uninitialized [-Wmaybe-uninitialized]
 1143 |         return *(this->_M_impl._M_start + __n);
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
src/compute_path.hpp: In function 'maq::solution_path maq::compute_path(const std::vector<long long unsigned int>&, const std::vector<long long unsigned int>&, const DataType&, double, bool) [with DataType = DataMean<Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Default, maq::CostType::Vector> >]':
src/compute_path.hpp:116:10: note: 'previous_arm' was declared here
  116 |   size_t previous_arm;
      |          ^~~~~~~~~~~~
In member function 'void maq::Solver<DataType>::compute_std_err(maq::solution_path&, const std::vector<std::vector<double> >&) [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Default, maq::CostType::Matrix>]',
    inlined from 'std::pair<std::pair<std::vector<std::vector<double> >, std::vector<std::vector<long long unsigned int> > >, std::vector<std::vector<double> > > maq::Solver<DataType>::fit() [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Default, maq::CostType::Matrix>]' at src/Solver.hpp:68:22:
src/Solver.hpp:210:28: warning: 'S' may be used uninitialized [-Wmaybe-uninitialized]
  210 |           std_err[i] = sqrt(S / (n - 1));
      |                        ~~~~^~~~~~~~~~~~~
src/Solver.hpp: In member function 'std::pair<std::pair<std::vector<std::vector<double> >, std::vector<std::vector<long long unsigned int> > >, std::vector<std::vector<double> > > maq::Solver<DataType>::fit() [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Default, maq::CostType::Matrix>]':
src/Solver.hpp:187:16: note: 'S' was declared here
  187 |         double S;
      |                ^
In member function 'void maq::Solver<DataType>::compute_std_err(maq::solution_path&, const std::vector<std::vector<double> >&) [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Default, maq::CostType::Matrix>]',
    inlined from 'std::pair<std::pair<std::vector<std::vector<double> >, std::vector<std::vector<long long unsigned int> > >, std::vector<std::vector<double> > > maq::Solver<DataType>::fit() [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Default, maq::CostType::Matrix>]' at src/Solver.hpp:68:22:
src/Solver.hpp:210:28: warning: 'S' may be used uninitialized [-Wmaybe-uninitialized]
  210 |           std_err[i] = sqrt(S / (n - 1));
      |                        ~~~~^~~~~~~~~~~~~
src/Solver.hpp: In member function 'std::pair<std::pair<std::vector<std::vector<double> >, std::vector<std::vector<long long unsigned int> > >, std::vector<std::vector<double> > > maq::Solver<DataType>::fit() [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Default, maq::CostType::Matrix>]':
src/Solver.hpp:187:16: note: 'S' was declared here
  187 |         double S;
      |                ^
In member function 'void maq::Solver<DataType>::compute_std_err(maq::solution_path&, const std::vector<std::vector<double> >&) [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Provided, maq::CostType::Matrix>]',
    inlined from 'std::pair<std::pair<std::vector<std::vector<double> >, std::vector<std::vector<long long unsigned int> > >, std::vector<std::vector<double> > > maq::Solver<DataType>::fit() [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Provided, maq::CostType::Matrix>]' at src/Solver.hpp:68:22:
src/Solver.hpp:210:28: warning: 'S' may be used uninitialized [-Wmaybe-uninitialized]
  210 |           std_err[i] = sqrt(S / (n - 1));
      |                        ~~~~^~~~~~~~~~~~~
src/Solver.hpp: In member function 'std::pair<std::pair<std::vector<std::vector<double> >, std::vector<std::vector<long long unsigned int> > >, std::vector<std::vector<double> > > maq::Solver<DataType>::fit() [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Provided, maq::CostType::Matrix>]':
src/Solver.hpp:187:16: note: 'S' was declared here
  187 |         double S;
      |                ^
In member function 'void maq::Solver<DataType>::compute_std_err(maq::solution_path&, const std::vector<std::vector<double> >&) [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Provided, maq::CostType::Matrix>]',
    inlined from 'std::pair<std::pair<std::vector<std::vector<double> >, std::vector<std::vector<long long unsigned int> > >, std::vector<std::vector<double> > > maq::Solver<DataType>::fit() [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Provided, maq::CostType::Matrix>]' at src/Solver.hpp:68:22:
src/Solver.hpp:210:28: warning: 'S' may be used uninitialized [-Wmaybe-uninitialized]
  210 |           std_err[i] = sqrt(S / (n - 1));
      |                        ~~~~^~~~~~~~~~~~~
src/Solver.hpp: In member function 'std::pair<std::pair<std::vector<std::vector<double> >, std::vector<std::vector<long long unsigned int> > >, std::vector<std::vector<double> > > maq::Solver<DataType>::fit() [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Provided, maq::CostType::Matrix>]':
src/Solver.hpp:187:16: note: 'S' was declared here
  187 |         double S;
      |                ^
In member function 'void maq::Solver<DataType>::compute_std_err(maq::solution_path&, const std::vector<std::vector<double> >&) [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Default, maq::CostType::Vector>]',
    inlined from 'std::pair<std::pair<std::vector<std::vector<double> >, std::vector<std::vector<long long unsigned int> > >, std::vector<std::vector<double> > > maq::Solver<DataType>::fit() [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Default, maq::CostType::Vector>]' at src/Solver.hpp:68:22:
src/Solver.hpp:210:28: warning: 'S' may be used uninitialized [-Wmaybe-uninitialized]
  210 |           std_err[i] = sqrt(S / (n - 1));
      |                        ~~~~^~~~~~~~~~~~~
src/Solver.hpp: In member function 'std::pair<std::pair<std::vector<std::vector<double> >, std::vector<std::vector<long long unsigned int> > >, std::vector<std::vector<double> > > maq::Solver<DataType>::fit() [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Default, maq::CostType::Vector>]':
src/Solver.hpp:187:16: note: 'S' was declared here
  187 |         double S;
      |                ^
In member function 'void maq::Solver<DataType>::compute_std_err(maq::solution_path&, const std::vector<std::vector<double> >&) [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Default, maq::CostType::Vector>]',
    inlined from 'std::pair<std::pair<std::vector<std::vector<double> >, std::vector<std::vector<long long unsigned int> > >, std::vector<std::vector<double> > > maq::Solver<DataType>::fit() [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Default, maq::CostType::Vector>]' at src/Solver.hpp:68:22:
src/Solver.hpp:210:28: warning: 'S' may be used uninitialized [-Wmaybe-uninitialized]
  210 |           std_err[i] = sqrt(S / (n - 1));
      |                        ~~~~^~~~~~~~~~~~~
src/Solver.hpp: In member function 'std::pair<std::pair<std::vector<std::vector<double> >, std::vector<std::vector<long long unsigned int> > >, std::vector<std::vector<double> > > maq::Solver<DataType>::fit() [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Default, maq::CostType::Vector>]':
src/Solver.hpp:187:16: note: 'S' was declared here
  187 |         double S;
      |                ^
In member function 'void maq::Solver<DataType>::compute_std_err(maq::solution_path&, const std::vector<std::vector<double> >&) [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Provided, maq::CostType::Vector>]',
    inlined from 'std::pair<std::pair<std::vector<std::vector<double> >, std::vector<std::vector<long long unsigned int> > >, std::vector<std::vector<double> > > maq::Solver<DataType>::fit() [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Provided, maq::CostType::Vector>]' at src/Solver.hpp:68:22:
src/Solver.hpp:210:28: warning: 'S' may be used uninitialized [-Wmaybe-uninitialized]
  210 |           std_err[i] = sqrt(S / (n - 1));
      |                        ~~~~^~~~~~~~~~~~~
src/Solver.hpp: In member function 'std::pair<std::pair<std::vector<std::vector<double> >, std::vector<std::vector<long long unsigned int> > >, std::vector<std::vector<double> > > maq::Solver<DataType>::fit() [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Provided, maq::TieBreaker::Provided, maq::CostType::Vector>]':
src/Solver.hpp:187:16: note: 'S' was declared here
  187 |         double S;
      |                ^
In member function 'void maq::Solver<DataType>::compute_std_err(maq::solution_path&, const std::vector<std::vector<double> >&) [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Provided, maq::CostType::Vector>]',
    inlined from 'std::pair<std::pair<std::vector<std::vector<double> >, std::vector<std::vector<long long unsigned int> > >, std::vector<std::vector<double> > > maq::Solver<DataType>::fit() [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Provided, maq::CostType::Vector>]' at src/Solver.hpp:68:22:
src/Solver.hpp:210:28: warning: 'S' may be used uninitialized [-Wmaybe-uninitialized]
  210 |           std_err[i] = sqrt(S / (n - 1));
      |                        ~~~~^~~~~~~~~~~~~
src/Solver.hpp: In member function 'std::pair<std::pair<std::vector<std::vector<double> >, std::vector<std::vector<long long unsigned int> > >, std::vector<std::vector<double> > > maq::Solver<DataType>::fit() [with DataType = maq::Data<maq::Storage::ColMajor, maq::SampleWeights::Default, maq::TieBreaker::Provided, maq::CostType::Vector>]':
src/Solver.hpp:187:16: note: 'S' was declared here
  187 |         double S;
      |                ^
g++ -std=gnu++17  -I"D:/RCompile/recent/R/include" -DNDEBUG  -I'D:/RCompile/CRANpkg/lib/4.4/Rcpp/include'   -I"d:/rtools43/x86_64-w64-mingw32.static.posix/include"  -I. -Isrc -DR_BUILD   -pedantic -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign  -c RcppExports.cpp -o RcppExports.o
g++ -std=gnu++17 -shared -s -static-libgcc -o maq.dll tmp.def RcppBindings.o RcppExports.o -Ld:/rtools43/x86_64-w64-mingw32.static.posix/lib/x64 -Ld:/rtools43/x86_64-w64-mingw32.static.posix/lib -LD:/RCompile/recent/R/bin/x64 -lR
installing to d:/RCompile/CRANincoming/R-devel/lib/00LOCK-maq/00new/maq/libs/x64
** R
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (maq)