Sync with Armadillo 14.2.x branch

ChangeLog

@@ -1,3 +1,12 @@
+2024-12-05  Dirk Eddelbuettel  <edd@debian.org>
+
+	* DESCRIPTION (Version, Date): RcppArmadillo 14.2.2-1
+        * inst/NEWS.Rd: Idem
+        * configure.ac: Idem
+        * configure: Idem
+
+	* inst/include/armadillo_bits/: Armadillo 14.2.2
+
 2024-11-24  Dirk Eddelbuettel  <edd@debian.org>
 
 	* DESCRIPTION (Version, Date): RcppArmadillo 14.2.1-1

DESCRIPTION

@@ -1,8 +1,8 @@
 Package: RcppArmadillo
 Type: Package
 Title: 'Rcpp' Integration for the 'Armadillo' Templated Linear Algebra Library
-Version: 14.2.1-1
-Date: 2024-11-24
+Version: 14.2.2-1
+Date: 2024-12-05
 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 2.71 for RcppArmadillo 14.2.1-1.
+# Generated by GNU Autoconf 2.71 for RcppArmadillo 14.2.2-1.
 #
 # Report bugs to <edd@debian.org>.
 #
@@ -610,8 +610,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='RcppArmadillo'
 PACKAGE_TARNAME='rcpparmadillo'
-PACKAGE_VERSION='14.2.1-1'
-PACKAGE_STRING='RcppArmadillo 14.2.1-1'
+PACKAGE_VERSION='14.2.2-1'
+PACKAGE_STRING='RcppArmadillo 14.2.2-1'
 PACKAGE_BUGREPORT='edd@debian.org'
 PACKAGE_URL=''
 
@@ -1229,7 +1229,7 @@ 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 14.2.1-1 to adapt to many kinds of systems.
+\`configure' configures RcppArmadillo 14.2.2-1 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1291,7 +1291,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of RcppArmadillo 14.2.1-1:";;
+     short | recursive ) echo "Configuration of RcppArmadillo 14.2.2-1:";;
    esac
   cat <<\_ACEOF
 
@@ -1372,7 +1372,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-RcppArmadillo configure 14.2.1-1
+RcppArmadillo configure 14.2.2-1
 generated by GNU Autoconf 2.71
 
 Copyright (C) 2021 Free Software Foundation, Inc.
@@ -1486,7 +1486,7 @@ 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 14.2.1-1, which was
+It was created by RcppArmadillo $as_me 14.2.2-1, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -3944,7 +3944,7 @@ 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 14.2.1-1, which was
+This file was extended by RcppArmadillo $as_me 14.2.2-1, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -3999,7 +3999,7 @@ ac_cs_config_escaped=`printf "%s\n" "$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 14.2.1-1
+RcppArmadillo config.status 14.2.2-1
 configured by $0, generated by GNU Autoconf 2.71,
   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],[14.2.1-1],[edd@debian.org])
+AC_INIT([RcppArmadillo],[14.2.2-1],[edd@debian.org])
 
 ## Set R_HOME, respecting an environment variable if one is set
 : ${R_HOME=$(R RHOME)}

inst/NEWS.Rd

@@ -3,11 +3,21 @@
 \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 14.2.2-1 (2024-12-05)}{
+  \itemize{
+    \item Upgraded to Armadillo release 14.2.2 (Smooth Caffeine)
+    \itemize{
+      \item Workarounds for regressions in pre-release versions of GCC 15
+      \item More selective detection of symmetric/hermitian matrices by various functions
+    }
+  }
+}
+
 \section{Changes in RcppArmadillo version 14.2.1-1 (2024-11-24) (GitHub Only)}{
   \itemize{
     \item Upgraded to Armadillo release 14.2.1 (Smooth Caffeine)
     \itemize{
-      Fix for \code{index_min()} and \code{index_max()} to ensure that the
+      \item Fix for \code{index_min()} and \code{index_max()} to ensure that the
       first index of equal extremum values is found
     }
   }

inst/include/armadillo_bits/Col_bones.hpp

@@ -187,6 +187,8 @@ class Col<eT>::fixed : public Col<eT>
   {
   private:
 
+  using Mat<eT>::mem_local;
+
   static constexpr bool use_extra = (fixed_n_elem > arma_config::mat_prealloc);
 
   arma_align_mem eT mem_local_extra[ (use_extra) ? fixed_n_elem : 1 ];

inst/include/armadillo_bits/Col_meat.hpp

@@ -1345,11 +1345,11 @@ Col<eT>::fixed<fixed_n_elem>::fixed(const fill::fill_class<fill_type>&)
   {
   arma_debug_sigprint_this(this);
 
-  if(is_same_type<fill_type, fill::fill_zeros>::yes)  { (*this).zeros(); }
-  if(is_same_type<fill_type, fill::fill_ones >::yes)  { (*this).ones();  }
-  if(is_same_type<fill_type, fill::fill_eye  >::yes)  { (*this).eye();   }
-  if(is_same_type<fill_type, fill::fill_randu>::yes)  { (*this).randu(); }
-  if(is_same_type<fill_type, fill::fill_randn>::yes)  { (*this).randn(); }
+  if(is_same_type<fill_type, fill::fill_zeros>::yes)  {  (*this).zeros(); }
+  if(is_same_type<fill_type, fill::fill_ones >::yes)  {  (*this).ones();  }
+  if(is_same_type<fill_type, fill::fill_eye  >::yes)  { Mat<eT>::eye();   }
+  if(is_same_type<fill_type, fill::fill_randu>::yes)  { Mat<eT>::randu(); }
+  if(is_same_type<fill_type, fill::fill_randn>::yes)  { Mat<eT>::randn(); }
   }
 
 

inst/include/armadillo_bits/Cube_bones.hpp

@@ -485,6 +485,9 @@ class Cube<eT>::fixed : public Cube<eT>
   {
   private:
 
+  using Cube<eT>::mat_ptrs_local;
+  using Cube<eT>::mem_local;
+
   static constexpr uword fixed_n_elem       = fixed_n_rows * fixed_n_cols * fixed_n_slices;
   static constexpr uword fixed_n_elem_slice = fixed_n_rows * fixed_n_cols;
 

inst/include/armadillo_bits/Cube_meat.hpp

@@ -5412,10 +5412,10 @@ Cube<eT>::fixed<fixed_n_rows, fixed_n_cols, fixed_n_slices>::fixed(const fill::f
 
   mem_setup();
 
-  if(is_same_type<fill_type, fill::fill_zeros>::yes)  { (*this).zeros(); }
-  if(is_same_type<fill_type, fill::fill_ones >::yes)  { (*this).ones();  }
-  if(is_same_type<fill_type, fill::fill_randu>::yes)  { (*this).randu(); }
-  if(is_same_type<fill_type, fill::fill_randn>::yes)  { (*this).randn(); }
+  if(is_same_type<fill_type, fill::fill_zeros>::yes)  { Cube<eT>::zeros(); }
+  if(is_same_type<fill_type, fill::fill_ones >::yes)  { Cube<eT>::ones();  }
+  if(is_same_type<fill_type, fill::fill_randu>::yes)  { Cube<eT>::randu(); }
+  if(is_same_type<fill_type, fill::fill_randn>::yes)  { Cube<eT>::randn(); }
 
   arma_static_check( (is_same_type<fill_type, fill::fill_eye>::yes), "Cube::fixed::fixed(): unsupported fill type" );
   }

inst/include/armadillo_bits/Mat_bones.hpp

@@ -825,6 +825,8 @@ class Mat<eT>::fixed : public Mat<eT>
   {
   private:
 
+  using Mat<eT>::mem_local;
+
   static constexpr uword fixed_n_elem = fixed_n_rows * fixed_n_cols;
   static constexpr bool  use_extra    = (fixed_n_elem > arma_config::mat_prealloc);
 

inst/include/armadillo_bits/Mat_meat.hpp

@@ -9565,11 +9565,11 @@ Mat<eT>::fixed<fixed_n_rows, fixed_n_cols>::fixed(const fill::fill_class<fill_ty
   {
   arma_debug_sigprint_this(this);
 
-  if(is_same_type<fill_type, fill::fill_zeros>::yes)  { (*this).zeros(); }
-  if(is_same_type<fill_type, fill::fill_ones >::yes)  { (*this).ones();  }
-  if(is_same_type<fill_type, fill::fill_eye  >::yes)  { (*this).eye();   }
-  if(is_same_type<fill_type, fill::fill_randu>::yes)  { (*this).randu(); }
-  if(is_same_type<fill_type, fill::fill_randn>::yes)  { (*this).randn(); }
+  if(is_same_type<fill_type, fill::fill_zeros>::yes)  {  (*this).zeros(); }
+  if(is_same_type<fill_type, fill::fill_ones >::yes)  {  (*this).ones();  }
+  if(is_same_type<fill_type, fill::fill_eye  >::yes)  { Mat<eT>::eye();   }
+  if(is_same_type<fill_type, fill::fill_randu>::yes)  { Mat<eT>::randu(); }
+  if(is_same_type<fill_type, fill::fill_randn>::yes)  { Mat<eT>::randn(); }
   }
 
 

inst/include/armadillo_bits/Row_bones.hpp

@@ -187,6 +187,8 @@ class Row<eT>::fixed : public Row<eT>
   {
   private:
 
+  using Mat<eT>::mem_local;
+
   static constexpr bool use_extra = (fixed_n_elem > arma_config::mat_prealloc);
 
   arma_align_mem eT mem_local_extra[ (use_extra) ? fixed_n_elem : 1 ];

inst/include/armadillo_bits/Row_meat.hpp

@@ -1345,11 +1345,11 @@ Row<eT>::fixed<fixed_n_elem>::fixed(const fill::fill_class<fill_type>&)
   {
   arma_debug_sigprint_this(this);
 
-  if(is_same_type<fill_type, fill::fill_zeros>::yes)  { (*this).zeros(); }
-  if(is_same_type<fill_type, fill::fill_ones >::yes)  { (*this).ones();  }
-  if(is_same_type<fill_type, fill::fill_eye  >::yes)  { (*this).eye();   }
-  if(is_same_type<fill_type, fill::fill_randu>::yes)  { (*this).randu(); }
-  if(is_same_type<fill_type, fill::fill_randn>::yes)  { (*this).randn(); }
+  if(is_same_type<fill_type, fill::fill_zeros>::yes)  {  (*this).zeros(); }
+  if(is_same_type<fill_type, fill::fill_ones >::yes)  {  (*this).ones();  }
+  if(is_same_type<fill_type, fill::fill_eye  >::yes)  { Mat<eT>::eye();   }
+  if(is_same_type<fill_type, fill::fill_randu>::yes)  { Mat<eT>::randu(); }
+  if(is_same_type<fill_type, fill::fill_randn>::yes)  { Mat<eT>::randn(); }
   }
 
 

inst/include/armadillo_bits/arma_version.hpp

@@ -23,7 +23,7 @@
 
 #define ARMA_VERSION_MAJOR 14
 #define ARMA_VERSION_MINOR 2
-#define ARMA_VERSION_PATCH 1
+#define ARMA_VERSION_PATCH 2
 #define ARMA_VERSION_NAME  "Smooth Caffeine"
 
 

inst/include/armadillo_bits/sym_helper.hpp

@@ -50,19 +50,26 @@ guess_sympd_worker(const Mat<eT>& A)
   const eT* A_mem = A.memptr();
   const eT* A_col = A_mem;
 
+  bool diag_below_tol = true;
+
   eT max_diag = eT(0);
 
   for(uword j=0; j < N; ++j)
     {
     const eT A_jj = A_col[j];
 
-    if(A_jj <= eT(0))  { return false; }
+    if(              A_jj  <= eT(0))  { return false; }
+    if(arma_isfinite(A_jj) == false)  { return false; }
+
+    if(A_jj >= tol)  { diag_below_tol = false; }
 
     max_diag = (A_jj > max_diag) ? A_jj : max_diag;
 
     A_col += N;
     }
 
+  if(diag_below_tol)  { return false; }  // assume matrix is suspect if all diagonal elements are close to zero
+
   A_col = A_mem;
 
   const uword Nm1 = N-1;
@@ -128,6 +135,8 @@ guess_sympd_worker(const Mat<eT>& A)
   const eT* A_mem = A.memptr();
   const eT* A_col = A_mem;
 
+  bool diag_below_tol = true;
+
   T max_diag = T(0);
 
   for(uword j=0; j < N; ++j)
@@ -138,15 +147,21 @@ guess_sympd_worker(const Mat<eT>& A)
     const  T  A_jj_rabs =  std::abs(A_jj_r);
     const  T  A_jj_iabs =  std::abs(A_jj_i);
 
-    if(A_jj_r    <= T(0)     )  { return false; }  // real should be positive
-    if(A_jj_iabs >  tol      )  { return false; }  // imag should be approx zero
-    if(A_jj_iabs >  A_jj_rabs)  { return false; }  // corner case: real and imag are close to zero, and imag is dominant
+    if(              A_jj_r  <= T(0) )  { return false; }  // real should be positive
+    if(arma_isfinite(A_jj_r) == false)  { return false; }
+
+    if(A_jj_iabs > tol      )  { return false; }  // imag should be approx zero
+    if(A_jj_iabs > A_jj_rabs)  { return false; }  // corner case: real and imag are close to zero, and imag is dominant
+
+    if(A_jj_r >= tol)  { diag_below_tol = false; }
 
     max_diag = (A_jj_r > max_diag) ? A_jj_r : max_diag;
 
     A_col += N;
     }
 
+  if(diag_below_tol)  { return false; }  // assume matrix is suspect if all diagonal elements are close to zero
+
   const T square_max_diag = max_diag * max_diag;
 
   if(arma_isfinite(square_max_diag) == false)  { return false; }
@@ -264,15 +279,21 @@ is_approx_sym_worker(const Mat<eT>& A)
   const eT* A_mem = A.memptr();
   const eT* A_col = A_mem;
 
+  bool diag_below_tol = true;
+
   for(uword j=0; j < N; ++j)
     {
-    const eT& A_jj = A_col[j];
+    const eT A_jj = A_col[j];
 
     if(arma_isfinite(A_jj) == false)  { return false; }
 
+    if(std::abs(A_jj) >= tol)  { diag_below_tol = false; }
+
     A_col += N;
     }
 
+  if(diag_below_tol)  { return false; }  // assume matrix is suspect if all diagonal elements are close to zero
+
   A_col = A_mem;
 
   const uword Nm1 = N-1;
@@ -324,6 +345,8 @@ is_approx_sym_worker(const Mat<eT>& A)
   const eT* A_mem = A.memptr();
   const eT* A_col = A_mem;
 
+  bool diag_below_tol = true;
+
   // ensure diagonal has approx real-only elements
   for(uword j=0; j < N; ++j)
     {
@@ -338,9 +361,13 @@ is_approx_sym_worker(const Mat<eT>& A)
 
     if(arma_isfinite(A_jj_r) == false)  { return false; }
 
+    if(A_jj_rabs >= tol)  { diag_below_tol = false; }
+
     A_col += N;
     }
 
+  if(diag_below_tol)  { return false; }  // assume matrix is suspect if all diagonal elements are close to zero
+
   A_col = A_mem;
 
   const uword Nm1 = N-1;