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NEWS.Rd
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\name{NEWS}
\title{News for Package \pkg{Rcpp}}
\newcommand{\ghpr}{\href{https://github.com/RcppCore/Rcpp/pull/#1}{##1}}
\newcommand{\ghit}{\href{https://github.com/RcppCore/Rcpp/issues/#1}{##1}}
\section{Changes in Rcpp release version x.x.x (xxxx-xx-xx)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item Unwind protection is enabled by default (Iñaki in \ghpr{1225}).
It can be disabled by defining \code{RCPP_NO_UNWIND_PROTECT} before
including \code{Rcpp.h}. \code{RCPP_USE_UNWIND_PROTECT} is not checked
anymore and has no effect. The associated plugin \code{unwindProtect}
is therefore deprecated and will be removed in a future release.
}
}
}
\section{Changes in Rcpp hotfix release version 1.0.9 (2022-07-02)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item Accomodate C++98 compilation by adjusting attributes.cpp (Dirk in
\ghpr{1193} fixing \ghit{1192})
\item Accomodate newest compilers replacing deprecated
\code{std::unary_function} and \code{std::binary_function} with
\code{std::function} (Dirk in \ghpr{1202} fixing \ghit{1201} and
CRAN request)
\item Upon removal from precious list, the tag is set to null
(Iñaki in \ghpr{1205} fixing \ghit{1203})
\item Move constructor and assignment for strings have been added
(Dean Scarff in \ghpr{1219}).
}
\item Changes in Rcpp Documentation:
\itemize{
\item Adjust one overflowing column (Bill Denney in \ghpr{1196} fixing
\ghit{1195})
\item Correct a typo in the FAQ (Marco Colombo in \ghpr{1217})
}
\item Changes in Rcpp Deployment:
\itemize{
\item Accomodate four digit version numbers in unit test (Dirk)
\item Do not run complete test suite to limit test time to CRAN
preference (Dirk in \ghpr{1206})
\item Small updates to the CI test containers have been made
\item Some of changes also applied to an interim release
1.0.8.3 made for CRAN on 2022-03-14.
}
}
}
\section{Changes in Rcpp release version 1.0.8 (2022-01-11)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item \code{STRICT_R_HEADERS} is now enabled by default, see
extensive discussion in \ghit{1158} closing \ghit{898}.
\item A new \code{#define} allows default setting of finalizer
calls for external pointers (Iñaki in \ghpr{1180} closing \ghit{1108}).
\item \code{Rcpp:::CxxFlags()} now quotes the include path generated,
(Kevin in \ghpr{1189} closing \ghit{1188}).
\item New header files \code{Rcpp/Light}, \code{Rcpp/Lighter},
\code{Rcpp/Lightest} and default \code{Rcpp/Rcpp} for fine-grained
access to features (and compilation time) (Dirk \ghpr{1191}
addressing \ghpr{1168}).
}
\item Changes in Rcpp Attributes:
\itemize{
\item A new option \code{signature} allows customization of
function signatures (Travers Ching in \ghpr{1184} and \ghpr{1187} fixing
\ghit{1182})
}
\item Changes in Rcpp Documentation:
\itemize{
\item The Rcpp FAQ has a new entry on how \emph{not} to grow a vector
(Dirk in \ghpr{1167}).
\item Some long-spurious calls to \code{RNGSope} have been removed
from examples (Dirk in \ghpr{1173} closing \ghit{1172}).
\item DOI reference in the bibtex files have been updated per JSS
request (Dirk in \ghpr{1186}).
}
\item Changes in Rcpp Deployment:
\itemize{
\item Some continuous integration components have been updated
(Dirk in \ghpr{1174}, \ghpr{1181}, and \ghpr{1190}).
}
}
}
\section{Changes in Rcpp release version 1.0.7 (2021-07-06)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item Refactored \code{Rcpp_PreserveObject} and \code{Rcpp_ReleaseObject}
which are now O(1) (Dirk and Iñaki in \ghpr{1133} and \ghpr{1135}
fixing \ghit{382} and \ghit{1081}).
\item A spuriously assigned variable was removed (Dirk in
\ghpr{1138} fixing \ghit{1137}).
\item Global \code{Rcout} and \code{Rcerr} objects are supported
via a compiler directive (Iñaki in \ghpr{1139} fixing \ghit{928})
\item Add support for \code{Rcpp::message} (Dirk in \ghpr{1146}
fixing \ghit{1145}).
\item The \code{uint32_t} type is used throughout instead of
\code{unsigned int} (Dirk in \ghpr{1153} fixing \ghit{1152}).
\item The \code{cfloat} header for floating point limits is now
included (Dirk in \ghpr{1162} fixing \ghit{1161}).
}
\item Changes in Rcpp Attributes:
\itemize{
\item Packages with dots in their name can now have per-package
include files (Dirk in \ghpr{1132} fixing \ghit{1129}).
\item New argument \code{echo} to quieten optional evaluation in
\code{sourceCpp} (Dirk in \ghpr{1138} fixing \ghit{1126}).
}
\item Forthcoming Changes in Rcpp API:
\itemize{
\item Starting with Rcpp 1.0.8 anticipated in January 2022,
\code{STRICT_R_HEADERS} will be enabled by default, see \ghit{1126}.
}
}
}
\section{Changes in Rcpp release version 1.0.6 (2021-01-14)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item Replace remaining few uses of \code{EXTPTR_PTR} with
\code{R_ExternalPtrAddr} (Kevin in \ghpr{1098} fixing
\ghit{1097}).
\item Add \code{push_back} and \code{push_front} for
\code{DataFrame} (Walter Somerville in \ghpr{1099} fixing
\ghit{1094}).
\item Remove a misleading-to-wrong comment (Mattias Ellert in
\ghpr{1109} cleaning up after \ghpr{1049}).
\item Address a sanitizer report by initializing two private
\code{bool} variables (Benjamin Christoffersen in \ghpr{1113}).
\item External pointer finalizer toggle default values were
corrected to true (Dirk in \ghpr{1115}).
}
\item Changes in Rcpp Documentation:
\itemize{
\item Several URLs were updated to https and/or new addresses (Dirk).
}
\item Changes in Rcpp Deployment:
\itemize{
\item Added GitHub Actions CI using the same container-based setup
used previously, and also carried code coverage over (Dirk in
\ghpr{1128}).
}
\item Changes in Rcpp support functions:
\itemize{
\item \code{Rcpp.package.skeleton()} avoids warning from R. (Dirk)
}
}
}
\section{Changes in Rcpp release version 1.0.5 (2020-07-01)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item The exception handler code in \ghpr{1043} was updated to ensure
proper include behavior (Kevin in \ghpr{1047} fixing \ghit{1046}).
\item A missing \code{Rcpp_list6} definition was added to support
R 3.3.* builds (Davis Vaughan in \ghpr{1049} fixing \ghit{1048}).
\item Missing \code{Rcpp_list{2,3,4,5}} definition were added to
the Rcpp namespace (Dirk in \ghpr{1054} fixing \ghit{1053}).
\item A further updated corrected the header include and provided
a missing else branch (Mattias Ellert in \ghpr{1055}).
\item Two more assignments are protected with \code{Rcpp::Shield}
(Dirk in \ghpr{1059}).
\item One call to \code{abs} is now properly namespaced with
\code{std::} (Uwe Korn in \ghpr{1069}).
\item String object memory preservation was corrected/simplified
(Kevin in \ghpr{1082}).
}
\item Changes in Rcpp Attributes:
\itemize{
\item Empty strings are not passed to \code{R CMD SHLIB} which was
seen with R 4.0.0 on Windows (Kevin in \ghpr{1062} fixing
\ghpr{1061}).
\item The \code{short_file_name()} helper function is safer with
respect to temporaries (Kevin in \ghpr{1067} fixing \ghit{1066},
and \ghpr{1071} fixing \ghpr{1070}).
}
\item Changes in Rcpp Sugar:
\itemize{
\item Two \code{sample()} objects are now standard vectors and not
\code{R_alloc} created (Dirk in \ghpr{1075} fixing \ghpr{1074}).
}
\item Changes in Rcpp support functions:
\itemize{
\item \code{Rcpp.package.skeleton()} adjusts for a (documented)
change in R 4.0.0 (Dirk in \ghpr{1088} fixing \ghpr{1087}).
}
\item Changes in Rcpp Documentation:
\itemize{
\item The pdf file of the earlier introduction is again typeset
with bibliographic information (Dirk).
\item A new vignette describing how to package C++ libraries has
been added (Dirk in \ghpr{1078} fixing \ghit{1077}).
}
\item Changes in Rcpp Deployment:
\itemize{
\item Travis CI unit tests now run a matrix over the versions of R
also tested at CRAN (rel/dev/oldrel/oldoldrel), and coverage runs
in parallel for a net speed-up (Dirk in \ghpr{1056} and
\ghpr{1057}).
\item The exceptions test is now partially skipped on Solaris as
it already is on Windows (Dirk in \ghpr{1065}).
\item The default CI runner was upgraded to R 4.0.0 (Dirk).
\item The CI matrix spans R 3.5, 3.6, r-release and r-devel (Dirk).
}
}
}
\section{Changes in Rcpp version 1.0.4 (2020-03-13)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item Safer \code{Rcpp_list*}, \code{Rcpp_lang*} and
\code{Function.operator()} (Romain in \ghpr{1014}, \ghit{1015}).
\item A number of \code{#nocov} markers were added (Dirk in
\ghpr{1036}, \ghpr{1042} and \ghpr{1044}).
\item Finalizer calls clear external pointer first (Kirill Müller and
Dirk in \ghpr{1038}).
\item Scalar operations with a rhs matrix no longer change the
matrix value (Qiang in \ghpr{1040} fixing (again) \ghit{365}).
\item \code{Rcpp::exception} and \code{Rcpp::stop} are now more
thread-safe (Joshua Pritikin in \ghpr{1043}).
}
\item Changes in Rcpp Attributes:
\itemize{
\item The \code{cppFunction} helper now deals correctly with mulitple
\code{depends} arguments (TJ McKinley in \ghpr{1016} fixing
\ghit{1017}).
\item Invisible return objects are now supported via new option (Kun Ren
in \ghpr{1025} fixing \ghit{1024}).
\item Unavailable packages referred to in \code{LinkingTo} are now
reported (Dirk in \ghpr{1027} fixing \ghit{1026}).
\item The \code{sourceCpp} function can now create a debug DLL on
Windows (Dirk in \ghpr{1037} fixing \ghit{1035}).
}
\item Changes in Rcpp Documentation:
\itemize{
\item The \code{.github/} directory now has more explicit guidance on
contributing, issues, and pull requests (Dirk).
\item The Rcpp Attributes vignette describe the new invisible return
object option (Kun Ren in \ghpr{1025}).
\item Vignettes are now included as pre-made pdf files (Dirk in \ghpr{1029})
\item The Rcpp FAQ has a new entry on the recommended
\code{importFrom} directive (Dirk in \ghpr{1031} fixing \ghit{1030}).
\item The bib file for the vignette was once again updated to
current package versions (Dirk).
}
\item Changes in Rcpp Deployment:
\itemize{
\item Added unit test to check if C++ version remains remains aligned
with the package number (Dirk in \ghpr{1022} fixing \ghit{1021}).
\item The unit test system was switched to tinytest (Dirk in
\ghpr{1028}, \ghpr{1032}, \ghpr{1033}).
}
}
}
\section{Changes in Rcpp version 1.0.3 (2019-11-08)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item Compilation can be sped up by skipping Modules headers via a
toggle \code{RCPP_NO_MODULES} (Kevin in \ghpr{995} for \ghit{993}).
\item Compilation can be sped up by toggling \code{RCPP_NO_RTTI} which
implies \code{RCPP_NO_MODULES} (Dirk in \ghpr{998} fixing \ghit{997}).
\item \code{XPtr} tags are now preserved in \code{as<>} (Stephen Wade
in \ghpr{1003} fixing \ghit{986}, plus Dirk in \ghpr{1012}).
\item A few more temporary allocations are now protected from garbage
collection (Romain Francois in \ghpr{1010}, and Dirk in \ghpr{1011}).
}
\item Changes in Rcpp Modules:
\itemize{
\item Improved initialization via explicit \code{Rcpp::} prefix
(Riccardo Porreca in \ghpr{980}).
}
\item Changes in Rcpp Deployment:
\itemize{
\item A unit test for Rcpp Class exposure was updated to not fail under
r-devel (Dirk in \ghpr{1008} fixing \ghit{1006}).
}
\item Changes in Rcpp Documentation:
\itemize{
\item The \code{Rcpp-modules} vignette received a major review and
edit (Riccardo Porreca in \ghpr{982}).
\item Minor whitespace alignments and edits were made in three
vignettes following the new \pkg{pinp} release (Dirk).
\item New badges for DOI and CRAN and BioConductor reverse dependencies
have been added to README.md (Dirk).
\item Vignettes are now included pre-made (Dirk in \ghpr{1005}
addressing \ghit{1004})).
\item The Rcpp FAQ has two new entries on 'no modules / no rtti' and
exceptions across shared libraries (Dirk in \ghpr{1009}).
}
}
}
\section{Changes in Rcpp version 1.0.2 (2019-07-20)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item Files in \code{src/} are now consistentely lowercase (Dirk
in \ghpr{956}).
\item The Rcpp 'API Version' is now accessible via
\code{getRcppVersion()} (Dirk in \ghpr{963}).
}
\item Changes in Rcpp Attributes:
\itemize{
\item The second END wrapper macro also gets \code{UNPROTECT} and
a variable reference suppressing compiler warnings (Dirk in
\ghpr{953} fixing \ghit{951}).
\item Default function arguments are parsed correctly (Pierrick
Roger in \ghpr{977} fixing \ghit{975})
}
\item Changes in Rcpp Sugar:
\itemize{
\item Added decreasing parameter to \code{sort_unique()}
(James Balamuta in \ghpr{958} addressing \ghit{950}).
}
\item Changes in Rcpp Deployment:
\itemize{
\item Travis CI unit tests are now always running irrespective of
the package version (Dirk in \ghpr{954}).
}
\item Changes in Rcpp Documentation:
\itemize{
\item The \code{Rcpp-modules} vignette now covers the
\code{RCPP_EXPOSED_*} macros, and the \code{Rcpp-extending} vignette
references it (Ralf Stubner in \ghpr{959} fixing \ghit{952}).
}
}
}
\section{Changes in Rcpp version 1.0.1 (2019-03-17)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item Subsetting is no longer limited by an integer range (William
Nolan in \ghpr{920} fixing \ghit{919}).
\item Error messages from subsetting are now more informative
(Qiang and Dirk).
\item \code{Shelter} increases count only on non-null objects
(Dirk in \ghpr{940} as suggested by Stepan Sindelar in \ghit{935}).
\item \code{AttributeProxy::set()} and a few related setters get
\code{Shield<>} to ensure \code{rchk} is happy (Romain in \ghpr{947}
fixing \ghit{946}).
}
\item Changes in Rcpp Attributes:
\itemize{
\item A new plugin was added for C++20 (Dirk in \ghpr{927})
\item Fixed an issue where 'stale' symbols could become registered in
RcppExports.cpp, leading to linker errors and other related issues
(Kevin in \ghpr{939} fixing \ghit{733} and \ghit{934}).
\item The wrapper macro gets an \code{UNPROTECT} to ensure \code{rchk}
is happy (Romain in \ghpr{949}) fixing \ghit{948}).
}
\item Changes in Rcpp Documentation:
\itemize{
\item Three small corrections were added in the 'Rcpp Quickref'
vignette (Zhuoer Dong in \ghpr{933} fixing \ghit{932}).
\item The \code{Rcpp-modules} vignette now has documentation for
\code{.factory} (Ralf Stubner in \ghpr{938} fixing \ghit{937}).
}
\item Changes in Rcpp Deployment:
\itemize{
\item Travis CI again reports to CodeCov.io (Dirk and Ralf Stubner in
\ghpr{942} fixing \ghit{941}).
}
}
}
\section{Changes in Rcpp version 1.0.0 (2018-11-05)}{
\itemize{
\item Happy tenth birthday to Rcpp, and hello release 1.0 !
\item Changes in Rcpp API:
\itemize{
\item The empty destructor for the \code{Date} class was removed
to please g++-9 (prerelease) and \code{-Wdeprecated-copy} (Dirk).
\item The constructor for \code{NumericMatrix(not_init(n,k))} was
corrected (Romain in \ghpr{904}, Dirk in \ghpr{905}, and also
Romain in \ghpr{908} fixing \ghpr{907}).
\item \code{Rcpp::String} no longer silently drops embedded
\code{NUL} bytes in strings but throws new Rcpp exception
\code{embedded_nul_in_string}. (Kevin in \ghpr{917} fixing \ghit{916}).
}
\item Changes in Rcpp Deployment:
\itemize{
\item The Dockerfile for Continuous Integration sets the required
test flag (for release versions) inside the container (Dirk).
\item Correct the \code{R CMD check} call to skip vignettes (Dirk).
}
\item Changes in Rcpp Attributes:
\itemize{
\item A new \code{[[Rcpp::init]]} attribute allows function
registration for running on package initialization (JJ in
\ghpr{903}).
\item Sort the files scanned for attributes in the C locale for
stable output across systems (JJ in \ghpr{912}).
}
\item Changes in Rcpp Documentation:
\itemize{
\item The 'Rcpp Extending' vignette was corrected and refers to
\code{EXPOSED} rather than \code{EXPORTED} (Ralf Stubner in
\ghpr{910}).
\item The 'Unit test' vignette is no longer included (Dirk in
\ghpr{914}).
}
}
}
\section{Changes in Rcpp version 0.12.19 (2018-09-20)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item The \code{no_init()} accessor for vectors and matrices is
now wrapped in \code{Shield<>()} to not trigger \code{rchk}
warnings (Kirill Müller in \ghpr{893} addressing \ghit{892}).
\item \code{STRICT_R_HEADERS} will be defined twelve months from
now; until then we protect it via \code{RCPP_NO_STRICT_HEADERS}
which can then be used to avoid the definition; downstream
maintainers are encouraged to update their packages as needed
(Dirk in \ghpr{900} beginning to address \ghit{898}).
}
\item Changes in Rcpp Attributes:
\itemize{
\item Added \code{[[Rcpp::init]]} attribute for registering C++
functions to run during package initialization (JJ in \ghpr{903}
addressing \ghit{902}).
}
\item Changes in Rcpp Modules:
\itemize{
\item Improved \code{exposeClass} functionality along with added
test (Martin Lysy in \ghpr{886} fixing \ghit{879}).
}
\item Changes in Rcpp Documentation:
\itemize{
\item Two typos were fixed in the Rcpp Sugar vignette (Patrick
Miller in \ghpr{895}).
\item Several vignettes now use the \code{collapse} argument to
show output in the corresponding code block.
}
\item Changes in Rcpp Deployment:
\itemize{
\item The old \code{LdFlags()} build helper was marked as
deprecated [but removed for release] (Dirk in \ghpr{887}).
\item Dockerfiles for continuous integration, standard deployment
and 'plus sized' deployment are provided along with builds
(Dirk in \ghpr{894}).
\item Travis CI now use the \code{rcpp/ci} container for tests
(Dirk in \ghpr{896}).
}
}
}
\section{Changes in Rcpp version 0.12.18 (2018-07-21)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item The \code{StringProxy::operator==} is now \code{const}
correct (Romain in \ghpr{855} fixing \ghit{854}).
\item The \code{Environment::new_child()} is now \code{const}
(Romain in \ghpr{858} fixing \ghit{854}).
\item Next \code{eval} codes now properly unwind (Lionel in the large
and careful \ghpr{859} fixing \ghit{807}).
\item In debugging mode, more type information is shown on
\code{abort()} (Jack Wasey in \ghpr{860} and \ghpr{882} fixing
\ghit{857}).
\item A new class was added which allow suspension of the RNG
synchronisation to address an issue seen in \CRANpkg{RcppDE}
(Kevin in \ghpr{862}).
\item Evaluation calls now happen in the \code{base} environment
(which may fix an issue seen between \CRANpkg{conflicted} and some
BioConductor packages) (Kevin in \ghpr{863} fixing \ghit{861}).
\item Call stack display on error can now be controlled more
finely (Romain in \ghpr{868}).
\item The new \code{Rcpp_fast_eval} is used instead of
\code{Rcpp_eval} though this still requires setting
\code{RCPP_USE_UNWIND_PROTECT} before including \code{Rcpp.h} (Qiang
Kou in \ghpr{867} closing \ghit{866}).
\item The \code{Rcpp::unwindProtect()} function extracts the
unwinding from the \code{Rcpp_fast_eval()} function and makes it
more generally available. (Lionel in \ghpr{873} and \ghpr{877}).
\item The \code{tm_gmtoff} part is skipped on AIX too
(\ghpr{876}).
}
\item Changes in Rcpp Attributes:
\itemize{
\item The \code{sourceCpp()} function now evaluates R code in the
correct local environment in which a function was compiled (Filip
Schouwenaars in \ghpr{852} and \ghpr{869} fixing \ghit{851}).
\item Filenames are now sorted in a case-insenstive way so that
the \code{RcppExports} files are more stable across locales (Jack
Wasey in \ghpr{878}).
}
\item Changes in Rcpp Sugar:
\itemize{
\item The sugar functions \code{min} and \code{max} now recognise
empty vectors (Dirk in \ghpr{884} fixing \ghit{883}).
}
}
}
\section{Changes in Rcpp version 0.12.17 (2018-05-09)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item The random number \code{Generator} class no longer inherits from
\code{RNGScope} (Kevin in \ghpr{837} fixing \ghit{836}).
\item A new class, \code{SuspendRNGSynchronizationScope}, can be created
and used to ensure that calls to Rcpp functions do not attempt to call
\code{::GetRNGstate()} or \code{::PutRNGstate()} for the duration of
some code block.
\item A spurious parenthesis was removed to please gcc8 (Dirk
fixing \ghit{841})
\item The optional \code{Timer} class header now undefines
\code{FALSE} which was seen to have side-effects on some platforms
(Romain in \ghpr{847} fixing \ghpr{846}).
\item Optional \code{StoragePolicy} attributes now also work for
string vectors (Romain in \ghpr{850} fixing \ghit{849}).
}
\item Changes in Rcpp Documentation:
\itemize{
\item A few old typesetting conventions from the prior Rnw format
have been corrected (Peter Hickey in \ghpr{831}; Joris Meys; Dirk)
\item Two internal links to the introduction published in JSS have been
updated to the changed filename given the newer TAS introduction.
\item Some remaining backticks were replaced with straight quotes
(Ralf Stubner in \ghpr{845}).
\item A citation to the Rcpp introducion in the The American
Statistician has been added to the introductory and FAQ vignettes.
}
}
}
\section{Changes in Rcpp version 0.12.16 (2018-03-08)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item Rcpp now sets and puts the RNG state upon each entry to an Rcpp
function, ensuring that nested invocations of Rcpp functions manage the
RNG state as expected (Kevin in \ghpr{825} addressing \ghit{823}).
\item The \code{R::pythag} wrapper has been commented out; the underlying
function has been gone from R since 2.14.0, and \code{::hypot()} (part of
C99) is now used unconditionally for complex numbers (Dirk in \ghpr{826}).
\item The \code{long long} type can now be used on 64-bit Windows (Kevin
in \ghpr{811} and again in \ghpr{829} addressing \ghit{804}).
}
\item Changes in Rcpp Attributes:
\itemize{
\item Code generated with \code{cppFunction()} now uses \code{.Call()}
directly (Kirill Müller in \ghpr{813} addressing \ghit{795}).
}
\item Changes in Rcpp Documentation:
\itemize{
\item The Rcpp FAQ vignette is now indexed as `Rcpp-FAQ`; a stale Gmane
reference was removed and entry for getting compilers under Conda was added.
\item The top-level README.md now has a \emph{Support} section.
\item The Rcpp.bib reference file was refreshed to current versions.
}
}
}
\section{Changes in Rcpp version 0.12.15 (2018-01-16)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item Calls from exception handling to \code{Rf_warning()} now correctly
set an initial format string (Dirk in \ghpr{777} fixing \ghit{776}).
\item The 'new' Date and Datetime vectors now have \code{is_na} methods
too. (Dirk in \ghpr{783} fixing \ghit{781}).
\item Protect more temporary \code{SEXP} objects produced by \code{wrap}
(Kevin in \ghpr{784}).
\item Use public R APIs for \code{new_env} (Kevin in \ghpr{785}).
\item Evaluation of R code is now safer when compiled against R
3.5 (you also need to explicitly define \code{RCPP_USE_UNWIND_PROTECT}
before including \code{Rcpp.h}). Longjumps of all kinds (condition
catching, returns, restarts, debugger exit) are appropriately
detected and handled, e.g. the C++ stack unwinds correctly
(Lionel in \ghpr{789}). [ Committed but subsequently disabled in release
0.12.15 ]
\item The new function \code{Rcpp_fast_eval()} can be used for
performance-sensitive evaluation of R code. Unlike
\code{Rcpp_eval()}, it does not try to catch errors with
\code{tryEval} in order to avoid the catching overhead. While this
is safe thanks to the stack unwinding protection, this also means
that R errors are not transformed to an \code{Rcpp::exception}. If
you are relying on error rethrowing, you have to use the slower
\code{Rcpp_eval()}. On old R versions \code{Rcpp_fast_eval()}
falls back to \code{Rcpp_eval()} so it is safe to use against any
versions of R (Lionel in \ghpr{789}). [ Committed but subsequently
disabled in release 0.12.15 ]
\item Overly-clever checks for \code{NA} have been removed (Kevin in
\ghpr{790}).
\item The included tinyformat has been updated to the current version,
Rcpp-specific changes are now more isolated (Kirill in \ghpr{791}).
\item Overly picky \emph{fall-through} warnings by gcc-7 regarding
\code{switch} statements are now pre-empted (Kirill in \ghpr{792}).
\item Permit compilation on ANDROID (Kenny Bell in \ghpr{796}).
\item Improve support for NVCC, the CUDA compiler (Iñaki Ucar in
\ghpr{798} addressing \ghit{797}).
\item Speed up tests for NA and NaN (Kirill and Dirk in \ghpr{799} and
\ghpr{800}).
\item Rearrange stack unwind test code, keep test disabled for now (Lionel
in \ghpr{801}).
\item Further condition away protect unwind behind #define (Dirk in
\ghpr{802}).
}
\item Changes in Rcpp Attributes:
\itemize{
\item Addressed a missing Rcpp namespace prefix when generating a C++
interface (James Balamuta in \ghpr{779}).
}
\item Changes in Rcpp Documentation:
\itemize{
\item The Rcpp FAQ now shows \code{Rcpp::Rcpp.plugin.maker()} and not the
outdated \code{:::} use applicable non-exported functions.
}
}
}
\section{Changes in Rcpp version 0.12.14 (2017-11-17)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item New const iterators functions \code{cbegin()} and \code{cend()}
added to \code{MatrixRow} as well (Dan Dillon in \ghpr{750}).
\item The \code{Rostream} object now contains a \code{Buffer} rather than
allocating one (Kirill Müller in \ghpr{763}).
\item New \code{DateVector} and \code{DatetimeVector} classes are now the
default fully deprecating the old classes as announced one year ago.
}
\item Changes in Rcpp Package:
\itemize{
\item DESCRIPTION file now list doi information per CRAN suggestion.
}
\item Changes in Rcpp Documentation:
\itemize{
\item Update CITATION file with doi information and PeerJ preprint.
}
}
}
\section{Changes in Rcpp version 0.12.13 (2017-09-24)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item New const iterators functions \code{cbegin()} and \code{cend()} have
been added to several vector and matrix classes (Dan Dillon and James
Balamuta in \ghpr{748}) starting to address \ghit{741}).
}
\item Changes in Rcpp Modules:
\itemize{
\item Misplacement of one parenthesis in macro \code{LOAD_RCPP_MODULE}
was corrected (Lei Yu in \ghpr{737})
}
\item Changes in Rcpp Documentation:
\itemize{
\item Rewrote the macOS sections to depend on official documentation due
to large changes in the macOS toolchain. (James Balamuta in \ghpr{742}
addressing issue \ghit{682}).
\item Added a new vignette \sQuote{Rcpp-introduction} based on new PeerJ
preprint, renamed existing introduction to \sQuote{Rcpp-jss-2011}.
\item Transitioned all vignettes to the 'pinp' RMarkdown template
(James Balamuta and Dirk Eddelbuettel in \ghpr{755} addressing
issue \ghit{604}).
\item Added an entry on running `compileAttributes()` twice to the
Rcpp-FAQ (\ghit{#745}).
}
}
}
\section{Changes in Rcpp version 0.12.12 (2017-07-13)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item The \code{tinyformat.h} header now ends in a newline (\ghit{701}).
\item Fixed rare protection error that occurred when fetching stack traces
during the construction of an Rcpp exception (Kirill Müller in \ghpr{706}).
\item Compilation is now also possibly on Haiku-OS (Yo Gong in \ghpr{708}
addressing \ghit{707}).
\item Dimension attributes are explicitly cast to \code{int} (Kirill
Müller in \ghpr{715}).
\item Unused arguments are no longer declared (Kirill Müller in
\ghpr{716}).
\item Visibility of exported functions is now supported via the R macro
\code{atttribute_visible} (Jeroen Ooms in \ghpr{720}).
\item The \code{no_init()} constructor accepts \code{R_xlen_t} (Kirill
Müller in \ghpr{730}).
\item Loop unrolling used \code{R_xlen_t} (Kirill Müller in \ghpr{731}).
\item Two unused-variables warnings are now avoided (Jeff Pollock in
\ghpr{732}).
}
\item Changes in Rcpp Attributes:
\itemize{
\item Execute tools::package_native_routine_registration_skeleton
within package rather than current working directory (JJ in \ghpr{697}).
\item The R portion no longer uses \code{dir.exists} to no require R 3.2.0
or newer (Elias Pipping in \ghpr{698}).
\item Fix native registration for exports with name attribute (JJ in \ghpr{703}
addressing \ghit{702}).
\item Automatically register init functions for Rcpp Modules (JJ in \ghpr{705}
addressing \ghit{704}).
\item Add Shield around parameters in Rcpp::interfaces (JJ in \ghpr{713}
addressing \ghit{712}).
\item Replace dot (".") with underscore ("_") in package names when generating
native routine registrations (JJ in \ghpr{722} addressing \ghit{721}).
\item Generate C++ native routines with underscore ("_") prefix to avoid
exporting when standard exportPattern is used in NAMESPACE (JJ in
\ghpr{725} addressing \ghit{723}).
}
}
}
\section{Changes in Rcpp version 0.12.11 (2017-05-20)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item Rcpp::exceptions can now be constructed without a call stack (Jim
Hester in \ghpr{663} addressing \ghit{664}).
\item Somewhat spurious compiler messages under very verbose settings are
now suppressed (Kirill Müller in \ghpr{670}, \ghpr{671}, \ghpr{672},
\ghpr{687}, \ghpr{688}, \ghpr{691}).
\item Refreshed the included \code{tinyformat} template library
(James Balamuta in \ghpr{674} addressing \ghit{673}).
\item Added \code{printf}-like syntax support for exception classes and
variadic templating for \code{Rcpp::stop} and \code{Rcpp::warning}
(James Balamuta in \ghpr{676}).
\item Exception messages have been rewritten to provide additional
information. (James Balamuta in \ghpr{676} and \ghpr{677} addressing
\ghit{184}).
\item One more instance of \code{Rf_mkString} is protected from garbage
collection (Dirk in \ghpr{686} addressing \ghit{685}).
\item Two exception specification that are no longer tolerated by
\code{g++-7.1} or later were removed (Dirk in \ghpr{690} addressing
\ghit{689})
}
\item Changes in Rcpp Documentation:
\itemize{
\item Added a Known Issues section to the Rcpp FAQ vignette
(James Balamuta in \ghpr{661} addressing \ghit{628}, \ghit{563},
\ghit{552}, \ghit{460}, \ghit{419}, and \ghit{251}).
}
\item Changes in Rcpp Sugar:
\itemize{
\item Added sugar function \code{trimws} (Nathan Russell in \ghpr{680}
addressing \ghit{679}).
}
\item Changes in Rcpp Attributes:
\itemize{
\item Automatically generate native routine registrations (JJ in \ghpr{694})
\item The plugins for C++11, C++14, C++17 now set the values R 3.4.0 or
later expects; a plugin for C++98 was added (Dirk in \ghpr{684} addressing
\ghit{683}).
}
\item Changes in Rcpp support functions:
\itemize{
\item The \code{Rcpp.package.skeleton()} function now creates a package
registration file provided R 3.4.0 or later is used (Dirk in \ghpr{692})
}
}
}
\section{Changes in Rcpp version 0.12.10 (2017-03-17)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item Added new size attribute aliases for number of rows and columns in
DataFrame (James Balamuta in \ghpr{638} addressing \ghit{630}).
\item Fixed single-character handling in \code{Rstreambuf} (Iñaki Ucar in
\ghpr{649} addressing \ghit{647}).
\item XPtr gains a parameter \code{finalizeOnExit} to enable running the
finalizer when R quits (Jeroen Ooms in \ghpr{656} addressing \ghit{655}).
}
\item Changes in Rcpp Sugar:
\itemize{
\item Fixed sugar functions \code{upper_tri()} and \code{lower_tri()}
(Nathan Russell in \ghpr{642} addressing \ghit{641}).
\item The \code{algorithm.h} file now accomodates the Intel compiler
(Dirk in \ghpr{643} and Dan in \ghpr{645} addressing issue \ghit{640}).
}
\item Changes in Rcpp Attributes:
\itemize{
\item The C++17 standard is supported with a new plugin (used eg for
\code{g++-6.2}).
}
\item Changes in Rcpp Documentation:
\itemize{
\item An overdue explanation of how C++11, C++14, and C++17 can be used
was added to the Rcpp FAQ.
}
}
}
\section{Changes in Rcpp version 0.12.9 (2017-01-14)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item The exception stack message is now correctly demangled on all
compiler versions (Jim Hester in \ghpr{598})
\item Date and Datetime object and vector now have format methods and
\code{operator<<} support (\ghpr{599}).
\item The \code{size} operator in \code{Matrix} is explicitly referenced
avoiding a g++-6 issues (\ghpr{607} fixing \ghit{605}).
\item The underlying date calculation code was updated (\ghpr{621},
\ghpr{623}).
\item Addressed improper diagonal fill for non-symmetric matrices
(James Balamuta in \ghpr{622} addressing \ghit{619})
}
\item Changes in Rcpp Sugar:
\itemize{
\item Added new Sugar function \code{sample()} (Nathan Russell in
\ghpr{610} and \ghpr{616}).
\item Added new Sugar function \code{Arg()} (James Balamuta in
\ghpr{626} addressing \ghit{625}).
}
\item Changes in Rcpp unit tests
\itemize{
\item Added Environment::find unit tests and an Environment::get(Symbol)
test (James Balamuta in \ghpr{595} addressing issue \ghit{594}).
\item Added diagonal matrix fill tests
(James Balamuta in \ghpr{622} addressing \ghit{619})
}
\item Changes in Rcpp Documentation:
\itemize{
\item Exposed pointers macros were included in the Rcpp Extending vignette
(MathurinD; James Balamuta in \ghpr{592} addressing \ghit{418}).
\item The file \code{Rcpp.bib} move to directory \code{bib} which is
guaranteed to be present (\ghpr{631}).
}
\item Changes in Rcpp build system
\itemize{
\item Travis CI now also calls \CRANpkg{covr} for coverage analysis (Jim
Hester in PR \ghpr{591})
}
}
}
\section{Changes in Rcpp version 0.12.8 (2016-11-16)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item String and vector elements now use extended \code{R_xlen_t} indices
(Qiang in PR \ghpr{560})
\item Hashing functions now return unsigned int (Qiang in PR \ghpr{561})
\item Added static methods \code{eye()}, \code{ones()}, and \code{zeros()}
for select matrix types (Nathan Russell in PR \ghpr{569})
\item The exception call stack is again correctly reported; print methods
and tests added too (Jim Hester in PR \ghpr{582} fixing \ghit{579})
\item Variatic macros no longer use a GNU extensions (Nathan in PR
\ghpr{575})
\item Hash index functions were standardized on returning unsigned
integers (Also PR \ghpr{575})
}
\item Changes in Rcpp Sugar:
\itemize{
\item Added new Sugar functions \code{rowSums()}, \code{colSums()},
\code{rowMeans()}, \code{colMeans()} (PR \ghpr{551} by Nathan Russell
fixing \ghit{549})
\item \code{Range} Sugar now used \code{R_xlen_t} type for start/end
(PR \ghpr{568} by Qiang Kou)
\item Defining \code{RCPP_NO_SUGAR} no longer breaks the build.
(PR \ghpr{585} by Daniel C. Dillon)
}
\item Changes in Rcpp unit tests
\itemize{
\item A test for expression vectors was corrected.
\item The constructor test for datetime vectors reflects the new classes
which treats Inf correctly (and still as a non-finite value)
}
\item Changes in Rcpp Attributes
\itemize{
\item An 'empty' return was corrected (PR \ghpr{589} fixing issue
\ghit{588}, and with thanks to Duncan Murdoch for the heads-up)
}
\item Updated Date and Datetime vector classes:
\itemize{
\item The \code{DateVector} and \code{DatetimeVector} classes were renamed
with a prefix \code{old}; they are currently \code{typedef}'ed to the
existing name (\ghpr{557})
\item New variants \code{newDateVector} and \code{newDatetimeVector} were
added based on \code{NumericVector} (also \ghpr{557}, \ghpr{577},
\ghpr{581}, \ghpr{587})
\item By defining \code{RCPP_NEW_DATE_DATETIME_VECTORS} the new classes
can activated. We intend to make the new classes the default no sooner
than twelve months from this release.
\item The \code{capabilities()} function can also be used for presence of
this feature
}
}
}
\section{Changes in Rcpp version 0.12.7 (2016-09-04)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item The \code{NORET} macro is now defined if it was not already defined
by R itself (Kevin fixing issue \ghit{512}).
\item Environment functions get() & find() now accept a Symbol
(James Balamuta in \ghpr{513} addressing issue \ghit{326}).
\item Several uses of \code{Rf_eval} were replaced by the preferred
\code{Rcpp::Rcpp_eval} (Qiang in PR \ghpr{523} closing \ghit{498}).
\item Improved Autogeneration Warning for RcppExports
(James Balamuta in \ghpr{528} addressing issue \ghit{526}).
\item Fixed invalid C++ prefix identifiers in auto-generated code
(James Balamuta in \ghpr{528} and \ghpr{531} addressing issue
\ghit{387}; Simon Dirmeier in \ghpr{548}).
\item String constructors now set default UTF-8 encoding (Qiang Kou in
\ghpr{529} fixing \ghit{263}).
\item Add variadic variants of the \code{RCPP_RETURN_VECTOR} and
\code{RCPP_RETURN_MATRIX} macro when C++11 compiler used (Artem Klevtsov
in \ghpr{537} fixing \ghit{38}).
}
\item Changes in Rcpp build system
\itemize{
\item Travis CI is now driven via \code{run.sh} from our fork, and deploys
all packages as .deb binaries using our PPA where needed (Dirk in
\ghpr{540} addressing issue \ghit{517}).
}
\item Changes in Rcpp unit tests
\itemize{
\item New unit tests for random number generators the R namespace which
call the standalone Rmath library. (James Balamuta in \ghpr{514}
addressing issue \ghit{28}).
}
\item Changes in Rcpp Examples:
\itemize{
\item Examples that used cxxfunction() from the inline package have been
rewritten to use either sourceCpp() or cppFunction()
(James Balamuta in \ghpr{541}, \ghpr{535}, \ghpr{534}, and \ghpr{532}
addressing issue \ghit{56}).
}
}
}
\section{Changes in Rcpp version 0.12.6 (2016-07-18)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item The \code{long long} data type is used only if it is available,
to avoid compiler warnings (Kirill Müller in \ghpr{488}).
\item The compiler is made aware that \code{stop()} never returns, to
improve code path analysis (Kirill Müller in \ghpr{487} addressing issue
\ghit{486}).
\item String replacement was corrected (Qiang in \ghpr{479} following
mailing list bug report by Masaki Tsuda)
\item Allow for UTF-8 encoding in error messages via
\code{RCPP_USING_UTF8_ERROR_STRING} macro (Qin Wenfeng in \ghpr{493})
\item The R function \code{Rf_warningcall} is now provided as well (as
usual without leading \code{Rf_}) (\ghpr{497} fixing \ghit{495})
}
\item Changes in Rcpp Sugar:
\itemize{
\item Const-ness of \code{min} and \code{max} functions has been corrected.
(Dan Dillon in PR \ghpr{478} fixing issue \ghit{477}).
\item Ambiguities for matrix/vector and scalar operations have been fixed
(Dan Dillon in PR \ghpr{476} fixing issue \ghit{475}).
\item New \code{algorithm} header using iterator-based approach for
vectorized functions (Dan in PR \ghpr{481} revisiting PR \ghpr{428} and
addressing issue \ghit{426}, with futher work by Kirill in PR \ghpr{488}
and Nathan in \ghpr{503} fixing issue \ghit{502}).
\item The \code{na_omit()} function is now faster for vectors without
\code{NA} values (Artem Klevtsov in PR \ghpr{492})
}
\item Changes in Rcpp Attributes:
\itemize{
\item Add \code{cacheDir} argument to \code{sourceCpp()} to enable caching of
shared libraries across R sessions (JJ in \ghpr{504}).
\item Code generation now deals correctly which packages containing a dot
in their name (Qiang in \ghpr{501} fixing \ghit{500}).
}
\item Changes in Rcpp Documentation:
\itemize{
\item A section on default parameters was added to the Rcpp FAQ vignette
(James Balamuta in \ghpr{505} fixing \ghit{418}).
\item The Rcpp-attributes vignette is now mentioned more prominently in
question one of the Rcpp FAQ vignette.
\item The Rcpp Quick Reference vignette received a facelift with new
sections on Rcpp attributes and plugins begin added. (James Balamuta in
\ghpr{509} fixing \ghit{484}).
\item The bib file was updated with respect to the recent JSS publication
for RProtoBuf.
}
}
}
\section{Changes in Rcpp version 0.12.5 (2016-05-14)}{
\itemize{
\item Changes in Rcpp API:
\itemize{
\item The checks for different C library implementations now also check for Musl
used by Alpine Linux (Sergio Marques in PR \ghpr{449}).
\item \code{Rcpp::Nullable} works better with Rcpp::String (Dan Dillon in
PR \ghpr{453}).