* installing *source* package ‘Rnanoflann’ ...
** using staged installation
** libs
using C++ compiler: ‘Debian clang version 18.1.5 (2)’
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-18/include" -DNDEBUG -I../inst/include -I'/home/hornik/lib/R/Library/4.5/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.5/x86_64-linux-gnu/RcppArmadillo/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c RcppExports.cpp -o RcppExports.o
In file included from RcppExports.cpp:4:
In file included from ./../inst/include/Rnanoflann.h:3:
In file included from ./../inst/include/internal/dists.hpp:4:
In file included from /home/hornik/lib/R/Library/4.5/x86_64-linux-gnu/RcppArmadillo/include/RcppArmadillo.h:29:
In file included from /home/hornik/lib/R/Library/4.5/x86_64-linux-gnu/RcppArmadillo/include/RcppArmadillo/interface/RcppArmadilloForward.h:25:
In file included from /home/hornik/lib/R/Library/4.5/x86_64-linux-gnu/Rcpp/include/RcppCommon.h:30:
/home/hornik/lib/R/Library/4.5/x86_64-linux-gnu/Rcpp/include/Rcpp/r/headers.h:26:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   26 | #define R_NO_REMAP
      |         ^
<command line>:4:9: note: previous definition is here
    4 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-18/include" -DNDEBUG -I../inst/include -I'/home/hornik/lib/R/Library/4.5/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.5/x86_64-linux-gnu/RcppArmadillo/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c knn.cpp -o knn.o
In file included from knn.cpp:3:
In file included from /home/hornik/lib/R/Library/4.5/x86_64-linux-gnu/RcppArmadillo/include/RcppArmadillo.h:29:
In file included from /home/hornik/lib/R/Library/4.5/x86_64-linux-gnu/RcppArmadillo/include/RcppArmadillo/interface/RcppArmadilloForward.h:25:
In file included from /home/hornik/lib/R/Library/4.5/x86_64-linux-gnu/Rcpp/include/RcppCommon.h:30:
/home/hornik/lib/R/Library/4.5/x86_64-linux-gnu/Rcpp/include/Rcpp/r/headers.h:26:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   26 | #define R_NO_REMAP
      |         ^
<command line>:4:9: note: previous definition is here
    4 | #define R_NO_REMAP 1
      |         ^
In file included from knn.cpp:4:
In file included from ../inst/include/Rnanoflann.h:3:
../inst/include/internal/dists.hpp:156:35: warning: using integer absolute value function 'abs' when argument is of floating point type [-Wabsolute-value]
  156 |                     result += pow(abs(a[i] - data_source.kdtree_get_pt(b_idx, i)), data_source.getP());
      |                                   ^
../inst/include/nanoflann.hpp:1750:54: note: in instantiation of member function 'Rnanoflann::minkowski::minkowski_adaptor<double, Rnanoflann::KDTreeArmadilloAdaptor3<arma::Mat<double>, Rnanoflann::minkowski>>::evalMetric' requested here
 1750 |                 DistanceType    dist     = distance_.evalMetric(
      |                                                      ^
../inst/include/nanoflann.hpp:1607:9: note: in instantiation of function template specialization 'nanoflann::KDTreeSingleIndexAdaptor<Rnanoflann::minkowski::minkowski_adaptor<double, Rnanoflann::KDTreeArmadilloAdaptor3<arma::Mat<double>, Rnanoflann::minkowski>>, Rnanoflann::KDTreeArmadilloAdaptor3<arma::Mat<double>, Rnanoflann::minkowski>>::searchLevel<nanoflann::KNNResultSet<double, unsigned int>>' requested here
 1607 |         searchLevel(result, vec, Base::root_node_, dist, dists, epsError);
      |         ^
../inst/include/nanoflann.hpp:1632:9: note: in instantiation of function template specialization 'nanoflann::KDTreeSingleIndexAdaptor<Rnanoflann::minkowski::minkowski_adaptor<double, Rnanoflann::KDTreeArmadilloAdaptor3<arma::Mat<double>, Rnanoflann::minkowski>>, Rnanoflann::KDTreeArmadilloAdaptor3<arma::Mat<double>, Rnanoflann::minkowski>>::findNeighbors<nanoflann::KNNResultSet<double, unsigned int>>' requested here
 1632 |         findNeighbors(resultSet, query_point, searchParams);
      |         ^
knn.cpp:31:35: note: in instantiation of member function 'nanoflann::KDTreeSingleIndexAdaptor<Rnanoflann::minkowski::minkowski_adaptor<double, Rnanoflann::KDTreeArmadilloAdaptor3<arma::Mat<double>, Rnanoflann::minkowski>>, Rnanoflann::KDTreeArmadilloAdaptor3<arma::Mat<double>, Rnanoflann::minkowski>>::knnSearch' requested here
   31 |                 mat_index.index_->knnSearch(points.colptr(i), k, indices.colptr(i), distances.colptr(i));
      |                                   ^
knn.cpp:206:9: note: in instantiation of function template specialization 'nn_helper<Rnanoflann::KDTreeArmadilloAdaptor3<arma::Mat<double>, Rnanoflann::minkowski>>' requested here
  206 |         nn_helper(mat_index, searchParams, points, k, search, radius, parallel, cores, indices, distances);
      |         ^
../inst/include/internal/dists.hpp:156:35: note: use function 'std::abs' instead
  156 |                     result += pow(abs(a[i] - data_source.kdtree_get_pt(b_idx, i)), data_source.getP());
      |                                   ^~~
      |                                   std::abs
2 warnings generated.
clang++-18 -std=gnu++17 -shared -L/home/hornik/tmp/R-d-clang-18/lib -Wl,-O1 -o Rnanoflann.so RcppExports.o knn.o -llapack -L/home/hornik/tmp/R-d-clang-18/lib -lRblas -L/usr/lib/llvm-18/lib -lFortran_main -lFortranRuntime -lFortranDecimal -lm -L/home/hornik/tmp/R-d-clang-18/lib -lR
installing to /srv/hornik/tmp/CRAN/Rnanoflann.Rcheck/00LOCK-Rnanoflann/00new/Rnanoflann/libs
** R
** inst
** 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
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (Rnanoflann)