added cpp files

Author: benjaminjack

bindings.cpp

@@ -0,0 +1,34 @@
+#include <pybind11/pybind11.h>
+
+namespace py = pybind11;
+
+PYBIND11_PLUGIN(cmake_example)
+{
+    py::module m("cmake_example", R"pbdoc(
+        Pybind11 example plugin
+        -----------------------
+        .. currentmodule:: cmake_example
+        .. autosummary::
+           :toctree: _generate
+           add
+           subtract
+    )pbdoc");
+
+    m.def("add", &add, R"pbdoc(
+        Add two numbers
+        Some other explanation about the add function.
+    )pbdoc");
+
+    m.def("subtract", &subtract, R"pbdoc(
+        Subtract two numbers
+        Some other explanation about the subtract function.
+    )pbdoc");
+
+#ifdef VERSION_INFO
+    m.attr("__version__") = py::str(VERSION_INFO);
+#else
+    m.attr("__version__") = py::str("dev");
+#endif
+
+    return m.ptr();
+}

python_cpp_example/main.cpp

@@ -0,0 +1,11 @@
+#include "main.hpp"
+
+int add(int i, int j)
+{
+    return i + j;
+}
+
+int subtract(int i, int j)
+{
+    return i - j;
+}

python_cpp_example/main.hpp

@@ -0,0 +1,3 @@
+int add(int i, int j);
+
+int subtract(int i, int j);