🛠️ Minimum CXXSTD

.Rbuildignore

@@ -30,3 +30,4 @@ README_files
 NEWS_cache
 NEWS_files
 ^CRAN-SUBMISSION$
+m4

.gitattributes

@@ -0,0 +1,2 @@
+* text=auto 
+*.ac text eol=lf

.github/workflows/R-CMD-check.yaml

@@ -25,12 +25,15 @@ jobs:
           - {os: ubuntu-latest,   r: 'devel',     compiler: 'default', http-user-agent: 'release'}
           - {os: ubuntu-latest,   r: 'release',   compiler: 'default'}
           - {os: ubuntu-latest,   r: 'oldrel-1',  compiler: 'default'}
+          - {os: ubuntu-latest,   r: 'oldrel-2',  compiler: 'default'}
+          - {os: ubuntu-latest,   r: 'oldrel-3',  compiler: 'default'}
 
           # Windows
           - {os: windows-latest,  r: 'devel',     compiler: 'default'}
           - {os: windows-latest,  r: 'release',   compiler: 'default'}
           - {os: windows-latest,  r: 'oldrel-1',  compiler: 'default'}
 
+
           # macOS Clang
           - {os: macos-latest,    r: 'devel',     compiler: 'clang'}
           - {os: macos-latest,    r: 'release',   compiler: 'clang'}
@@ -95,6 +98,7 @@ jobs:
           CXX14=${GCC_PATH}/bin/${GXX_BIN}
           CXX17=${GCC_PATH}/bin/${GXX_BIN}
           CXX20=${GCC_PATH}/bin/${GXX_BIN}
+          CXX23=${GCC_PATH}/bin/${GXX_BIN}
 
           OMP_LIB=${OMP_PATH}/lib
           OMP_INC=${OMP_PATH}/include
@@ -110,41 +114,6 @@ jobs:
           LDFLAGS  += -L$(brew --prefix gettext)/lib -lintl
 
 
-          # Fortran configuration
-          FC=$(brew --prefix gfortran)/bin/gfortran
-          F77=$(brew --prefix gfortran)/bin/gfortran
-          FLIBS=-L$(brew --prefix gfortran)/lib -lgfortran -lquadmath
-          EOF
-
-      - name: Configure Makevars (macOS-clang)
-        if: runner.os == 'macOS' && matrix.config.compiler == 'clang'
-        run: |
-          mkdir -p ~/.R
-          GCC_PATH=$(brew --prefix gcc)
-          SDK_PATH=$(xcrun --show-sdk-path)
-
-          GCC_BIN=gcc-14
-          GXX_BIN=g++-14
-
-          cat << EOF > ~/.R/Makevars
-          # Compiler settings
-          CC=${GCC_PATH}/bin/${GCC_BIN}
-          CXX=${GCC_PATH}/bin/${GXX_BIN}
-          CXX11=${GCC_PATH}/bin/${GXX_BIN}
-          CXX14=${GCC_PATH}/bin/${GXX_BIN}
-          CXX17=${GCC_PATH}/bin/${GXX_BIN}
-          CXX20=${GCC_PATH}/bin/${GXX_BIN}
-
-          # Compiler flags
-          CPPFLAGS=-isysroot ${SDK_PATH}
-          CFLAGS=-O3 -pedantic
-          CXXFLAGS=-O3 -pedantic
-
-          # Linker flags
-          LDFLAGS=-L${GCC_PATH}/lib -lgfortran -lm -isysroot ${SDK_PATH}
-          CPPFLAGS += -I$(brew --prefix gettext)/include
-          LDFLAGS  += -L$(brew --prefix gettext)/lib -lintl
-
           # Fortran configuration
           FC=$(brew --prefix gfortran)/bin/gfortran
           F77=$(brew --prefix gfortran)/bin/gfortran

.gitignore

@@ -67,3 +67,15 @@ inst/doc
 cran_comments.md
 cran-comments.md
 /.quarto/
+
+# ignore configure
+# artefacts
+autom4te.cache
+config.log
+config.status
+configure~
+
+# ignore makevars
+# this is autogenerated on 
+# build
+src/Makevars

DESCRIPTION

@@ -12,6 +12,7 @@ Authors@R: c(
   )
 Description:
   Performance evaluation metrics for supervised and unsupervised machine learning, statistical learning and artificial intelligence applications. Core computations are implemented in 'C++' for scalability and efficiency.
+SystemRequirements: C++17
 License: GPL (>= 3)
 Encoding: UTF-8
 Roxygen: list(markdown = TRUE)
@@ -30,7 +31,7 @@ Imports:
     lattice,
     Rcpp
 Depends: 
-    R (>= 4.3)
+    R (>= 4.0.0)
 URL: https://serkor1.github.io/SLmetrics/, https://github.com/serkor1/SLmetrics
 BugReports: https://github.com/serkor1/SLmetrics/issues
 LazyData: true

R/RcppExports.R

@@ -26,21 +26,21 @@ accuracy.cmatrix <- function(x, ...) {
 #' @method baccuracy factor
 #' @export
 baccuracy.factor <- function(actual, predicted, adjust = FALSE, na.rm = TRUE, ...) {
-    .Call(`_SLmetrics_BalancedAccuracy`, actual, predicted, adjust, na_rm = na.rm)
+    .Call(`_SLmetrics_balanced_accuracy`, actual, predicted, adjust, na_rm = na.rm)
 }
 
 #' @rdname baccuracy
 #' @method weighted.baccuracy factor
 #' @export
 weighted.baccuracy.factor <- function(actual, predicted, w, adjust = FALSE, na.rm = TRUE, ...) {
-    .Call(`_SLmetrics_weighted_BalancedAccuracy`, actual, predicted, w, adjust, na_rm = na.rm)
+    .Call(`_SLmetrics_weighted_balanced_accuracy`, actual, predicted, w, adjust, na_rm = na.rm)
 }
 
 #' @rdname baccuracy
 #' @method baccuracy cmatrix
 #' @export
 baccuracy.cmatrix <- function(x, adjust = FALSE, na.rm = TRUE, ...) {
-    .Call(`_SLmetrics_cmatrix_BalancedAccuracy`, x, adjust, na_rm = na.rm)
+    .Call(`_SLmetrics_cmatrix_balanced_accuracy`, x, adjust, na_rm = na.rm)
 }
 
 #' @rdname ckappa
@@ -68,14 +68,14 @@ ckappa.cmatrix <- function(x, beta = 0.0, ...) {
 #' @method cmatrix factor
 #' @export
 cmatrix.factor <- function(actual, predicted, ...) {
-    .Call(`_SLmetrics_UnweightedConfusionMatrix`, actual, predicted)
+    .Call(`_SLmetrics_confusion_matrix`, actual, predicted)
 }
 
 #' @rdname cmatrix
 #' @method weighted.cmatrix factor
 #' @export
 weighted.cmatrix.factor <- function(actual, predicted, w, ...) {
-    .Call(`_SLmetrics_WeightedConfusionMatrix`, actual, predicted, w)
+    .Call(`_SLmetrics_weighted_confusion_matrix`, actual, predicted, w)
 }
 
 #' @rdname dor

cleanup

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+rm -f config.*
+rm -f src/Makevars
+rm -rf autom4te.cache

cleanup.win

@@ -0,0 +1,7 @@
+#!/usr/bin/env sh
+
+rm -f config.*
+rm -f src/Makevars.win
+rm -f test_cpp_version.cpp
+rm -f test_cpp_version.exe
+rm -rf autom4te.cache