R: News for Package 'RcppAnnoy'

NEWS	R Documentation

News for Package RcppAnnoy

The build setup switched from C++11 to C++17 which offers threading support (which remains off by default to ensure consistent results)
Upstream code was update to Annoy 1.17.3, the switch to an explicit C++ namespace has been accomodated (Dirk in #75)

Small tweaks to threading policy header defines (Dirk closing #65)
Vignette code is again compiled during testing (Aaron Lum and Dirk in #66 addressing #64)
Upstream code (with Aaron's PR) was synchronized once more (Dirk in #67)
A new helper function was added to report the Annoy version (Aaron in #68)

Use int in two interfaces (Dirk in #59 for upstream PR 460 and closing #56).
Use inline for two helper functions (Dirk in #59 for upstream PR 461 and closing #57; also Aaron in #58 after earlier discussion).
Removed a noisy pragma (Dirk in #60 for upstream PR 462).
Add a simple helper function displaying compiler status.

RcppAnnoy synchronized with upstream PR 455 (Dirk in #55).
The help page has a small correction thanks to Bill1 Venables.
The alloca() function is now declared portably thanks to a working example in Writing R Extensions.

RcppAnnoy again synchronized with upstream to ensure builds with older compilers without AVX512 instructions (Dirk #53).
The cleanup script only uses /bin/sh.

In example(), the saved and loaded filename is now obtained via tempfile() to not touch user directories per CRAN Policy (Dirk).
RcppAnnoy was again synchronized with Annoy upstream leading to enhanced performance and more features (Dirk #48).
Minor changes made (and send as PRs upstream) to adapt both annoylib.h and mman.h changes (Dirk).
A spurious command was removed from one vignette (Peter Hickey in #49).
Two new user-facing functions onDiskBuild() and unbuild() were added (Dirk in #50).
Minor tweaks were made to two tinytest-using test files (Dirk).

Allow setting of seed (Dirk in #41 fixing #40).
Document setSeed (James Melville in #42 documenting #41).
Added documentation (Adam Spannbauer in #44 closing #43).
Switched unit testing to the new tinytest package (Dirk in #45).
The vignette is now pre-made in included as-is in Sweave document reducing the number of suggested packages.

Synchronized with Annoy upstream (#26, #30, #36).
Added new Hamming distance measure functionality; should be considered experimental as the functionality depends on integer values.
Travis CI use was updated to the R 3.5 PPA (#28)
New vignette about Annoy use from C++ via Rcpp (Aaron Lun in #29 addressing #19; also #32, #33)
The vignette was rewritten using pinp (#34, #35).

Synchronized with Annoy upstream version 1.9.1
Minor updates in calls and tests as required by annoy 1.9.1
New Manhattan distance modules along with unit test code
Additional unit tests from upstream test code carried over
Binary mode is used for save (as suggested by @khoran in #21)
A new file init.c was added with calls to R_registerRoutines() and R_useDynamicSymbols()
Symbol registration is enabled in useDynLib

New functions getNNsByItemList and getNNsByVectorList, from by Michael Phan-Ba in #12
Added destructor (PR #14 by Michael Phan-Ba)
Extended templatization (PR #11 by Dan Dillon)
Switched to run.sh for Travis (PR #17)
Added test for admissible value to addItem (PR #18 closing issue #13)