Update Python and OS platform versions in GitHub Actions

.github/dependabot.yml

@@ -0,0 +1,13 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directories:
+      - "/.github/workflows"
+    schedule:
+      interval: "monthly"
+    cooldown:
+      default-days: 5
+    groups:
+      github-actions:
+        patterns:
+          - "*"

.github/workflows/build_pypi.yml

@@ -9,7 +9,7 @@ jobs:
       max-parallel: 4
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.11", "3.12", "3.13", "3.14"]
         platform: [ubuntu-22.04, ubuntu-22.04-arm]
         include:
           - image: "manylinux2014_x86_64"

.github/workflows/pytest.yml

@@ -1,6 +1,6 @@
 name: Python Unit Tests
 
-on: [push, pull_request]
+on: [push, pull_request, workflow_dispatch]
 
 jobs:
   Ubuntu-Python-Unit-Test:
@@ -9,8 +9,8 @@ jobs:
       max-parallel: 4
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
-        platform: [ubuntu-20.04, ubuntu-22.04, ubuntu-22.04-arm]
+        python-version: ["3.11", "3.12", "3.13", "3.14"]
+        platform: [ubuntu-22.04, ubuntu-24.04, ubuntu-24.04-arm]
 
     runs-on: ${{ matrix.platform }}
 
@@ -38,18 +38,18 @@ jobs:
       max-parallel: 4
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.11", "3.12", "3.13", "3.14"]
 
     runs-on: ubuntu-latest
-    container: amazonlinux:2
+    container: amazonlinux:2023
 
     steps:
     - uses: actions/checkout@v1
     - name: Install dependencies
       run: |
         yum -y update
         yum -y groupinstall 'Development Tools'
-        amazon-linux-extras install epel -y
+        yum install spal-release -y
         yum install openblas-devel -y
     - name: Set up Python ${{ matrix.python-version }} via miniconda
       run: |

.github/workflows/style_type_check.yml

@@ -9,10 +9,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v1
-    - name: Set up Python 3.9
+    - name: Set up Python 3.13
       uses: actions/setup-python@v1
       with:
-        python-version: "3.9"
+        python-version: "3.13"
     - name: Install dependencies
       id: install-dep
       run: |

pecos/core/ann/quantizer_impl/common.hpp

@@ -216,7 +216,7 @@ namespace ann {
             for (index_type m = 0; m < num_local_codebooks; m++) {
                 std::vector<index_type> indices(n_data, 0);
                 std::iota(indices.data(), indices.data() + n_data, 0);
-                std::random_shuffle(indices.data(), indices.data() + n_data);
+                std::shuffle(indices.data(), indices.data() + n_data, std::default_random_engine{});
                 for (index_type i = 0; i < sub_sample_points; i++) {
                     offset = (mem_index_type) indices[i] * global_dimension;
                     std::memcpy(