Update to version 4.6.0.

Author: rcurtin

.github/workflows/windows-arm64-wheels.yml

@@ -3,7 +3,7 @@ name: Build Windows ARM64 wheels
 on: [push]
 
 env:
-  MLPACK_COMMIT: 4.5.1
+  MLPACK_COMMIT: 4.6.0
   CIBW_TEST_COMMAND: python -c 'import mlpack; import numpy as np; x = np.random.rand(100, 10); o = mlpack.pca(input_=x, new_dimensionality=5, verbose=True)'
 
 jobs:

Jenkinsfile

@@ -5,7 +5,7 @@ pipeline
 
   environment
   {
-    MLPACK_VERSION = '4.5.1'
+    MLPACK_VERSION = '4.6.0'
     TWINE_PYPI_TOKEN = credentials('twine-pypi-token')
   }
 
@@ -22,6 +22,7 @@ pipeline
           git clone https://github.com/mlpack/mlpack
           cd mlpack/
           git checkout $MLPACK_VERSION
+          patch -p1 < ../cmake_stb_available.patch
 
           mkdir build/
           cd build/

azure-pipelines-macos-steps.yml

@@ -11,13 +11,13 @@ steps:
       git clone https://github.com/mlpack/mlpack
       cd mlpack
       git checkout $(MLPACK_VERSION)
+      patch -p1 < ../cmake_stb_available.patch
     displayName: Clone mlpack
 
   - bash: |
       mkdir -p mlpack/build
       cd mlpack/build
-      # We download dependencies so that we get STB automatically.
-      cmake -DBUILD_PYTHON_BINDINGS=ON -DDOWNLOAD_DEPENDENCIES=ON ../
+      cmake -DBUILD_PYTHON_BINDINGS=ON ../
       make python_configured
     displayName: Generate setup.py
 

azure-pipelines-windows-steps.yml

@@ -53,6 +53,7 @@ steps:
       git clone https://github.com/mlpack/mlpack
       cd mlpack
       git checkout $(MLPACK_VERSION)
+      patch -p1 < ../cmake_stb_available.patch
     displayName: Clone mlpack
 
   - powershell: |

azure-pipelines.yml

@@ -54,7 +54,7 @@ jobs:
   timeoutInMinutes: 0 # No limit for build time.
   pool: {vmImage: 'macOS-14'}
   variables:
-    MLPACK_VERSION: 4.5.1
+    MLPACK_VERSION: 4.6.0
     CIBW_TEST_COMMAND: python -c 'import mlpack; import numpy as np; x = np.random.rand(100, 10); o = mlpack.pca(input_=x, new_dimensionality=5, verbose=True)'
     # The PYPI_TOKEN variable is automatically set by Azure Pipelines.
     TWINE_PYPI_TOKEN: $(PYPI_TOKEN)
@@ -144,7 +144,7 @@ jobs:
   timeoutInMinutes: 0 # No limit for build time.
   pool: {vmImage: 'windows-2019'}
   variables:
-    MLPACK_VERSION: 4.5.1
+    MLPACK_VERSION: 4.6.0
     # The PYPI_TOKEN variable is automatically set by Azure Pipelines.
     TWINE_PYPI_TOKEN: $(PYPI_TOKEN)
   steps:

build_mlpack.sh

@@ -7,11 +7,6 @@ set -e -u -o pipefail
 yum install -y openblas-devel armadillo-devel cereal-devel ensmallen-devel wget
 pip install cython numpy pandas wheel setuptools
 
-# STB must be installed by hand.
-wget https://www.mlpack.org/files/stb.tar.gz
-tar -xvzpf stb.tar.gz
-rm -f stb.tar.gz
-
 cd mlpack/
 rm -rf build/
 mkdir build/

cmake_stb_available.patch

@@ -0,0 +1,22 @@
+--- mlpack-4.6.0/src/mlpack/methods/CMakeLists.txt	2025-04-03 15:47:01.000000000 +0000
++++ mlpack-4.6.0-new/src/mlpack/methods/CMakeLists.txt	2025-04-04 16:49:40.234267529 +0000
+@@ -27,6 +27,7 @@
+ add_all_bindings(hmm hmm_loglik "Misc. / Other")
+ add_all_bindings(hmm hmm_viterbi "Misc. / Other")
+ add_all_bindings(hoeffding_trees hoeffding_tree "Classification")
++add_all_bindings(preprocess image_converter "Preprocessing")
+ add_all_bindings(kde kde "Misc. / Other")
+ add_all_bindings(kernel_pca kernel_pca "Transformations")
+ add_all_bindings(kmeans kmeans "Clustering")
+@@ -88,11 +89,6 @@
+ add_cli_executable(preprocess preprocess_imputer)
+ add_markdown_docs(preprocess preprocess_imputer "cli" "")
+ 
+-# The image converter is only enabled if STB is available.
+-if (STB_AVAILABLE)
+-  add_all_bindings(preprocess image_converter "Preprocessing")
+-endif()
+-
+ # Range search provides a vector of vector of results, and this is only
+ # supported for the CLI bindings.
+ add_category(range_search "Geometry")