RcppArmadillo 15.5.90 with Armadillo 15.5.90 (#510)

* Armadillo 15.4.90, a first rc for 15.6.0

* RcppArmadillo 15.5.90-1 with Armadillo 15.5.90

Author: eddelbuettel

ChangeLog

@@ -1,3 +1,12 @@
+2026-09-03  Dirk Eddelbuettel  <edd@debian.org>
+
+	* DESCRIPTION (Version, Date): RcppArmadillo 15.5.90-1
+	* inst/NEWS.Rd: Idem
+	* configure.ac: Idem
+	* configure: Idem
+
+ 	* inst/include/armadillo*: Armadillo 15.5.90 aka 15.6.0-rc0
+
 2026-07-25  Dirk Eddelbuettel  <edd@debian.org>
 
 	* DESCRIPTION (Version, Date): RcppArmadillo 15.4.2-1

DESCRIPTION

@@ -1,8 +1,8 @@
 Package: RcppArmadillo
 Type: Package
 Title: 'Rcpp' Integration for the 'Armadillo' Templated Linear Algebra Library
-Version: 15.4.2-1
-Date: 2026-07-25
+Version: 15.5.90-1
+Date: 2026-09-03
 Authors@R: c(person("Dirk", "Eddelbuettel", role = c("aut", "cre"), email = "edd@debian.org",
                     comment = c(ORCID = "0000-0001-6419-907X")),
              person("Romain", "Francois", role = "aut",

configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.72 for RcppArmadillo 15.4.2-1.
+# Generated by GNU Autoconf 2.72 for RcppArmadillo 15.5.90-1.
 #
 # Report bugs to <edd@debian.org>.
 #
@@ -603,8 +603,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='RcppArmadillo'
 PACKAGE_TARNAME='rcpparmadillo'
-PACKAGE_VERSION='15.4.2-1'
-PACKAGE_STRING='RcppArmadillo 15.4.2-1'
+PACKAGE_VERSION='15.5.90-1'
+PACKAGE_STRING='RcppArmadillo 15.5.90-1'
 PACKAGE_BUGREPORT='edd@debian.org'
 PACKAGE_URL=''
 
@@ -1223,7 +1223,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-'configure' configures RcppArmadillo 15.4.2-1 to adapt to many kinds of systems.
+'configure' configures RcppArmadillo 15.5.90-1 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1285,7 +1285,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of RcppArmadillo 15.4.2-1:";;
+     short | recursive ) echo "Configuration of RcppArmadillo 15.5.90-1:";;
    esac
   cat <<\_ACEOF
 
@@ -1366,7 +1366,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-RcppArmadillo configure 15.4.2-1
+RcppArmadillo configure 15.5.90-1
 generated by GNU Autoconf 2.72
 
 Copyright (C) 2023 Free Software Foundation, Inc.
@@ -1482,7 +1482,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by RcppArmadillo $as_me 15.4.2-1, which was
+It was created by RcppArmadillo $as_me 15.5.90-1, which was
 generated by GNU Autoconf 2.72.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -3946,7 +3946,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by RcppArmadillo $as_me 15.4.2-1, which was
+This file was extended by RcppArmadillo $as_me 15.5.90-1, which was
 generated by GNU Autoconf 2.72.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -4001,7 +4001,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-RcppArmadillo config.status 15.4.2-1
+RcppArmadillo config.status 15.5.90-1
 configured by $0, generated by GNU Autoconf 2.72,
   with options \\"\$ac_cs_config\\"
 

configure.ac

@@ -11,7 +11,7 @@
 AC_PREREQ([2.69])
 
 ## Process this file with autoconf to produce a configure script.
-AC_INIT([RcppArmadillo],[15.4.2-1],[edd@debian.org])
+AC_INIT([RcppArmadillo],[15.5.90-1],[edd@debian.org])
 
 ## Set R_HOME, respecting an environment variable if one is set
 : ${R_HOME=$(R RHOME)}

inst/NEWS.Rd

@@ -3,6 +3,20 @@
 \newcommand{\ghpr}{\href{https://github.com/RcppCore/RcppArmadillo/pull/#1}{##1}}
 \newcommand{\ghit}{\href{https://github.com/RcppCore/RcppArmadillo/issues/#1}{##1}}
 
+\section{Changes in RcppArmadillo version 15.5.90-1 (2026-09-03)}{
+  \itemize{
+    \item Upgraded to Armadillo release 15.5.90 (experimental)
+    \itemize{
+      \item Expanded \code{solve()} with \code{solve_opts::scale_thresh}
+      option to widen detection of poorly conditioned systems
+      \item Expanded \code{trans()} and \code{.t()} to handle cubes
+      \item Added \code{permute()} to rearrange dimensions of cubes
+      (generalised transpose)
+      \item Added \code{cubemul()} for batched matrix multiplication of cube slices
+    }
+  }
+}
+
 \section{Changes in RcppArmadillo version 15.4.2-1 (2026-07-25)}{
   \itemize{
     \item Upgraded to Armadillo release 15.4.2 (Medium Roast Agave)

inst/include/armadillo

@@ -342,6 +342,7 @@ namespace arma
   #include "armadillo_bits/op_row_as_mat_bones.hpp"
   #include "armadillo_bits/op_col_as_mat_bones.hpp"
   #include "armadillo_bits/op_accu_bones.hpp"
+  #include "armadillo_bits/op_permute_bones.hpp"
   #include "armadillo_bits/op_sp_plus_bones.hpp"
   #include "armadillo_bits/op_sp_minus_bones.hpp"
   #include "armadillo_bits/op_sp_sum_bones.hpp"
@@ -381,6 +382,7 @@ namespace arma
   #include "armadillo_bits/glue_mvnrnd_bones.hpp"
   #include "armadillo_bits/glue_quantile_bones.hpp"
   #include "armadillo_bits/glue_powext_bones.hpp"
+  #include "armadillo_bits/glue_cubemul_bones.hpp"
 
   #include "armadillo_bits/gmm_misc_bones.hpp"
   #include "armadillo_bits/gmm_diag_bones.hpp"
@@ -616,6 +618,8 @@ namespace arma
   #include "armadillo_bits/fn_powext.hpp"
   #include "armadillo_bits/fn_diags_spdiags.hpp"
   #include "armadillo_bits/fn_balance.hpp"
+  #include "armadillo_bits/fn_permute.hpp"
+  #include "armadillo_bits/fn_cubemul.hpp"
 
   #include "armadillo_bits/fn_speye.hpp"
   #include "armadillo_bits/fn_spones.hpp"
@@ -802,6 +806,7 @@ namespace arma
   #include "armadillo_bits/op_row_as_mat_meat.hpp"
   #include "armadillo_bits/op_col_as_mat_meat.hpp"
   #include "armadillo_bits/op_accu_meat.hpp"
+  #include "armadillo_bits/op_permute_meat.hpp"
   #include "armadillo_bits/op_sp_plus_meat.hpp"
   #include "armadillo_bits/op_sp_minus_meat.hpp"
   #include "armadillo_bits/op_sp_sum_meat.hpp"
@@ -841,6 +846,7 @@ namespace arma
   #include "armadillo_bits/glue_mvnrnd_meat.hpp"
   #include "armadillo_bits/glue_quantile_meat.hpp"
   #include "armadillo_bits/glue_powext_meat.hpp"
+  #include "armadillo_bits/glue_cubemul_meat.hpp"
 
   #include "armadillo_bits/gmm_misc_meat.hpp"
   #include "armadillo_bits/gmm_diag_meat.hpp"

inst/include/armadillo_bits/BaseCube_bones.hpp

@@ -53,6 +53,10 @@ struct BaseCube
   {
   arma_inline const derived& get_ref() const;
 
+  arma_warn_unused inline const OpCube<derived,op_htrans>  t() const;
+  arma_warn_unused inline const OpCube<derived,op_htrans> ht() const;
+  arma_warn_unused inline const OpCube<derived,op_strans> st() const;
+  
   arma_cold inline void print(                           const std::string extra_text = "") const;
   arma_cold inline void print(std::ostream& user_stream, const std::string extra_text = "") const;
 

inst/include/armadillo_bits/BaseCube_meat.hpp

@@ -31,6 +31,36 @@ BaseCube<elem_type,derived>::get_ref() const
 
 
 
+template<typename elem_type, typename derived>
+inline
+const OpCube<derived,op_htrans>
+BaseCube<elem_type,derived>::t() const
+  {
+  return OpCube<derived,op_htrans>( static_cast<const derived&>(*this) );
+  }
+
+
+
+template<typename elem_type, typename derived>
+inline
+const OpCube<derived,op_htrans>
+BaseCube<elem_type,derived>::ht() const
+  {
+  return OpCube<derived,op_htrans>( static_cast<const derived&>(*this) );
+  }
+
+
+
+template<typename elem_type, typename derived>
+inline
+const OpCube<derived,op_strans>
+BaseCube<elem_type,derived>::st() const
+  {
+  return OpCube<derived,op_strans>( static_cast<const derived&>(*this) );
+  }
+
+
+
 template<typename elem_type, typename derived>
 inline
 void

inst/include/armadillo_bits/Cube_bones.hpp

@@ -406,14 +406,6 @@ class Cube : public BaseCube< eT, Cube<eT> >
   arma_cold inline bool load(const hdf5_name&    spec, const file_type type = hdf5_binary);
   arma_cold inline bool load(      std::istream& is,   const file_type type = auto_detect);
 
-  [[deprecated("use save() instead")]] inline bool quiet_save(const std::string   name, const file_type type = arma_binary) const;
-  [[deprecated("use save() instead")]] inline bool quiet_save(const hdf5_name&    spec, const file_type type = hdf5_binary) const;
-  [[deprecated("use save() instead")]] inline bool quiet_save(      std::ostream& os,   const file_type type = arma_binary) const;
-  
-  [[deprecated("use load() instead")]] inline bool quiet_load(const std::string   name, const file_type type = auto_detect);
-  [[deprecated("use load() instead")]] inline bool quiet_load(const hdf5_name&    spec, const file_type type = hdf5_binary);
-  [[deprecated("use load() instead")]] inline bool quiet_load(      std::istream& is,   const file_type type = auto_detect);
-  
 
   // iterators
 

inst/include/armadillo_bits/Cube_meat.hpp

@@ -4716,7 +4716,7 @@ Cube<eT>::save(const hdf5_name& spec, const file_type type) const
     {
     Cube<eT> tmp;
 
-    op_strans_cube::apply_noalias(tmp, (*this));
+    op_strans::apply_cube_noalias(tmp, (*this));
 
     save_okay = diskio::save_hdf5_binary(tmp, spec, err_msg);
     }
@@ -4879,7 +4879,7 @@ Cube<eT>::load(const hdf5_name& spec, const file_type type)
 
     load_okay = diskio::load_hdf5_binary(tmp, spec, err_msg);
 
-    if(load_okay)  { op_strans_cube::apply_noalias((*this), tmp); }
+    if(load_okay)  { op_strans::apply_cube_noalias((*this), tmp); }
     }
   else
     {
@@ -4967,78 +4967,6 @@ Cube<eT>::load(std::istream& is, const file_type type)
 
 
 
-template<typename eT>
-inline
-bool
-Cube<eT>::quiet_save(const std::string name, const file_type type) const
-  {
-  arma_debug_sigprint();
-  
-  return (*this).save(name, type);
-  }
-
-
-
-template<typename eT>
-inline
-bool
-Cube<eT>::quiet_save(const hdf5_name& spec, const file_type type) const
-  {
-  arma_debug_sigprint();
-  
-  return (*this).save(spec, type);
-  }
-
-
-
-template<typename eT>
-inline
-bool
-Cube<eT>::quiet_save(std::ostream& os, const file_type type) const
-  {
-  arma_debug_sigprint();
-  
-  return (*this).save(os, type);
-  }
-
-
-
-template<typename eT>
-inline
-bool
-Cube<eT>::quiet_load(const std::string name, const file_type type)
-  {
-  arma_debug_sigprint();
-  
-  return (*this).load(name, type);
-  }
-
-
-
-template<typename eT>
-inline
-bool
-Cube<eT>::quiet_load(const hdf5_name& spec, const file_type type)
-  {
-  arma_debug_sigprint();
-  
-  return (*this).load(spec, type);
-  }
-
-
-
-template<typename eT>
-inline
-bool
-Cube<eT>::quiet_load(std::istream& is, const file_type type)
-  {
-  arma_debug_sigprint();
-  
-  return (*this).load(is, type);
-  }
-
-
-
 template<typename eT>
 inline
 typename Cube<eT>::iterator