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nanoflann 1.4.2: Released Jan 11, 2022

  • Install pkg-config .pc file under lib directory (Closes #161).
  • Integrate AppVeyor CI.

nanoflann 1.4.1: Released Jan 6, 2022

  • Fix incorrect install directory for cmake target & config files.
  • Do not install example binaries with make install.
  • Provide working examples for cmake and pkgconfig under examples/example_* directories.

nanoflann 1.4.0: Released Jan 2, 2022

  • nanoflann::KDTreeSingleIndexAdaptor() ctor now forwards additional parameters to the metric class, enabling custom dynamic metrics.
  • Add and apply a .clang-format file (same one than used in MOLAorg/MOLA projects).
  • Examples: clean up and code modernization.
  • CMake variables prefixed now with NANOFLANN_ for easier integration of nanoflann as a Git submodule.
  • Fixes for IndexType which are not of integral types PR #154
  • save/load API upgraded from C FILE* to C++ file streams (By Dominic Kempf, Heidelberg University, PR).

nanoflann 1.3.2: Released Nov 5, 2020

  • Add optional argument for Eigen matrix layout commit.
  • Throw exception on malloc failure PR #126.
  • Respect GNUInstallDirs in CMake install rules PR #131.

nanoflann 1.3.1: Released Oct 11, 2019

nanoflann 1.3.0: Released Aug 28, 2018

  • Instructions for make install for Linux and Windows (Closes #87).
  • Fix all (?) MSVC conversion warnings (Closes: #95).
  • Avoid need for _USE_MATH_DEFINES in MSVC (Closes: #96)
  • Eigen::Matrix datasets: now uses std::cref() to store a reference to matrix.
  • GSOC2017 contributions by Pranjal Kumar Rai:
    • Support for dynamic datasets.
    • Support for non-Euclidean spaces: SO(2), SO(3)

nanoflann 1.2.3: Released Dec 20, 2016

  • Fixed: split plane now correctly chooses the dimensions with the largest span. Should lead to more optimal trees.

nanoflann 1.2.2: Released Nov 10, 2016

  • knnSearch() now also returns the number of valid points found.

nanoflann 1.2.1: Released Jun 1, 2016

  • Fix potential compiler warnings if IndexType is signed.
  • New unit tests comparing the results to those of brute force search.

nanoflann 1.2.0: Released May 5, 2016

  • Fixed: many classes constructors get const ref arguments but stored const values.

nanoflann 1.1.9: Released Oct 2, 2015

  • Added KDTreeSingleIndexAdaptor::radiusSearchCustomCallback() (Based on a suggestion by Yannick Morin-Rivest)
  • Better documentation in class headers.
  • Cleanup of unused code.
  • Parameter KDTreeSingleIndexAdaptorParams::dim has been removed since it was redundant.

nanoflann 1.1.8: Released May 2, 2014

  • Created hidden constructors in nanoflann class, to disallow unintentional copies which will corrupt the internal pointers.
  • Fixed crash if trying to build an index of an empty dataset.

nanoflann 1.1.7: Released Aug 24, 2013

  • Two internal containers are now automatically defined as fixed-size arrays if the problem dimension is known at compile time, improving efficiency. The new/modified datatypes are: KDTreeSingleIndexAdaptor::BoundingBox, KDTreeSingleIndexAdaptor::distance_vector_t
  • Fixed compilation with GCC 4.8 and C++11 enabled (Thanks to Simon Praetorius).

nanoflann 1.1.6: Released May 14, 2013

  • Fixed warnings about unused parameters.
  • Fixed L1_adaptor.accum_dist(), which implemented L2 instead (Closes #1)
  • Fixed wrong typedef in KDTreeEigenMatrixAdaptor<> for IndexType!=size_t (Closes: #2)

nanoflann 1.1.5: Released Mar 25, 2013

  • Fixed: Memory pool wasn't freed after each call to buildIndex()
  • GCC: Added -isystem flag to gtest headers to avoid pedantic warnings.

nanoflann 1.1.4: Released Jan 11, 2013

  • Fixed compilation with Visual Studio 11 (MSVC 2012).
  • Fixed compilation of gtest with VS11 and its _VARIADIC_MAX "bug".
  • Added a security check to launch an exception if searches are attempted before buildIndex().
  • New example to demonstrate save/load the index to files.
  • save/load methods exposed as public.

nanoflann 1.1.3: Released Jun 6, 2012

  • GTest sources are now embedded, due to the changes in newer Ubuntu packages which don't carry the precompiled libs.
  • Added asserts to detect whether the user passes NULL as query points.
  • New method RadiusResultSet::worst_item()
  • New method RadiusResultSet::set_radius_and_clear()
  • Avoid potential collision of min/max macros with <windows.h>
  • Removed unneeded #include's of std headers.
  • New sample code for vectors of vectors.
  • Fixed building of tests for MSVC in Windows.
  • Allow manually setting the path to Eigen3 (mainly for building examples under Windows).

nanoflann 1.1.2: Released May 2, 2012

  • Better documentation and added graphs of a benchmarking for helping choosing "leaf_max_size".
  • Now KDTreeSingleIndexAdaptor::buildIndex() can be called several times even when the dataset size changes (Thanks to Rob McDonald for reporting!)

nanoflann 1.1.1: Released Feb 1, 2012

  • Some fixes to kd_tree index and L1/L2 metrics to allow distinct types in data elements and in the distances. This is mainly to permit elements being vectors of integers (e.g. uint8_t) but distances being real numbers.
  • Examples and unit tests have been corrected to use template arguments instead of being hard-wired to "float" data types (Thanks Thomas Vincent for noticing!).

nanoflann 1.1.0: Released Dec 15, 2011

  • Fixed warnings for MSVC and for GCC with "-Wall -pedantic"
  • Updated performance tests to work with the final nanoflann code (they were written for a very early version).
  • All main classes now have new template arguments for the type of indice, which now defaults to "size_t" instead of "int". In case this breaks backward compatibility in user code, especify "int" to override the default template arguments, although "size_t" it's recommended.

nanoflann 1.0.0: Released Aug 30, 2011

  • Initial version