Verifying the data is preserved

.vscode/c_cpp_properties.json

@@ -2,15 +2,23 @@
     "configurations": [
         {
             "name": "Linux",
+            "compilerPathInCppPropertiesJson": "/usr/bin/clang",
             "includePath": [
-                "${workspaceFolder}/**"
-                "include/**"
+                "/home/george/Documents/development/pydefm/**"
             ],
             "defines": [],
-            "compilerPath": "/usr/bin/clang",
             "cStandard": "c17",
             "cppStandard": "c++14",
-            "intelliSenseMode": "linux-clang-x64"
+            "intelliSenseMode": "linux-clang-x64",
+            "mergeConfigurations": false,
+            "compilerPath": "/usr/bin/clang",
+            "configurationProvider": "ms-vscode.makefile-tools",
+            "browse": {
+                "path": [
+                    "/home/george/Documents/development/pydefm"
+                ],
+                "limitSymbolsToIncludedHeaders": true
+            }
         }
     ],
     "version": 4

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "scikit_build_core.build"
 
 
 [project]
-name = "pydefm"
+name = "scikit_build_example"
 version = "0.0.1"
 description="Python bindings for defm"
 readme = "README.md"

src/main.cpp

@@ -24,14 +24,19 @@ std::shared_ptr< defm::DEFM > new_defm(
     // std::vector<int> y = {1, 2, 3, 4, 5};
     // std::vector<double> x = {1.0, 2.0, 3.0, 4.0, 5.0};
 
+    // Accessing the data buffer
+    auto id_buff = id.request();
+    auto y_buff = y.request();
+    auto x_buff = x.request();
+
     int n_id = id.size();
     int n_y = y.size();
     int n_x = x.size();
 
     std::shared_ptr< defm::DEFM > object(new defm::DEFM(
-        id.mutable_data(0u),
-        y.mutable_data(0u),
-        x.mutable_data(0u),
+        static_cast< int * >(id_buff.ptr),
+        static_cast< int * >(y_buff.ptr),
+        static_cast< double * >(x_buff.ptr),
         static_cast< size_t >(n_id),
         static_cast< size_t >(n_y),
         static_cast< size_t >(n_x),
@@ -42,8 +47,20 @@ std::shared_ptr< defm::DEFM > new_defm(
     return object;
 }
 
+/**
+ * @brief Print the y vector
+ * @param object The DEFM object
+*/
+void print_y(const std::shared_ptr< defm::DEFM > & object) {
+
+    auto Y = object->get_Y();
+    for (size_t i = 0u; i < object->get_n_y(); ++i)
+        std::cout << (*(Y + i)) << " ";
 
+    std::cout << std::endl;
 
+    return;
+}
 
 PYBIND11_MODULE(_core, m) {
     m.doc() = R"pbdoc(
@@ -88,6 +105,12 @@ PYBIND11_MODULE(_core, m) {
         Some other explanation about the new_defm function.
     )pbdoc");
 
+    m.def("print_y", &print_y, R"pbdoc(
+        Print the y vector
+
+        Some other explanation about the print_y function.")
+        )pbdoc");
+
 #ifdef VERSION_INFO
     m.attr("__version__") = MACRO_STRINGIFY(VERSION_INFO);
 #else

src/scikit_build_example/__init__.py

@@ -1,5 +1,5 @@
 from __future__ import annotations
 
-from ._core import __doc__, __version__, add, subtract, new_defm
+from ._core import __doc__, __version__, add, subtract, new_defm, print_y
 
-__all__ = ["__doc__", "__version__", "add", "subtract", "new_defm"]
+__all__ = ["__doc__", "__version__", "add", "subtract", "new_defm", "print_y"]

tests/test_basic.py

@@ -3,11 +3,16 @@
 import scikit_build_example as m
 import numpy as np
 
-y = np.array([1, 2, 3])
-x = np.array([1, 2, 3])
-id = np.array([1, 2, 3])
+y = np.array([0, 10, 3])
+x = np.array([1, 2.0, 3.4])
+id = np.array([11, 2, 3])
 
-m.new_defm(y, x, id)
+obj = m.new_defm(id, y, x)
+
+obj.print()
+
+# Just testing whether the function works
+m.print_y(obj)
 
 
 def test_version():
@@ -20,3 +25,5 @@ def test_add():
 
 def test_sub():
     assert m.subtract(1, 2) == -1
+
+print("Everything passed")