Reduce memory required to compile pybind11 interface

src/python_pybind11/CMakeLists.txt

@@ -28,6 +28,7 @@ pybind11_add_module(math SHARED
   src/Spline.cc
   src/StopWatch.cc
   src/Temperature.cc
+  src/Vector2.cc
   src/Vector3Stats.cc
 )
 

src/python_pybind11/src/Angle.cc

@@ -17,6 +17,7 @@
 
 #include <string>
 
+#include <ignition/math/Angle.hh>
 #include <pybind11/operators.h>
 
 #include "Angle.hh"

src/python_pybind11/src/Angle.hh

@@ -21,8 +21,6 @@
 
 #include <pybind11/pybind11.h>
 
-#include <ignition/math/Angle.hh>
-
 namespace py = pybind11;
 
 namespace ignition

src/python_pybind11/src/Vector2.cc

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2022 Open Source Robotics Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+*/
+
+#include <string>
+
+#include "Vector2.hh"
+
+namespace ignition
+{
+namespace math
+{
+namespace python
+{
+void defineMathVector2(py::module &m, const std::string &typestr)
+{
+  helpDefineMathVector2<double>(m, typestr + "d");
+  helpDefineMathVector2<float>(m, typestr + "f");
+  helpDefineMathVector2<int>(m, typestr + "i");
+}
+
+}  // namespace python
+}  // namespace gazebo
+}  // namespace ignition

src/python_pybind11/src/Vector2.hh

@@ -15,8 +15,8 @@
  *
 */
 
-#ifndef IGNITION_MATH_PYTHON__VECTOR2D_HH_
-#define IGNITION_MATH_PYTHON__VECTOR2D_HH_
+#ifndef IGNITION_MATH_PYTHON__VECTOR2_HH_
+#define IGNITION_MATH_PYTHON__VECTOR2_HH_
 
 #include <string>
 
@@ -34,12 +34,12 @@ namespace math
 {
 namespace python
 {
-/// Define a pybind11 wrapper for an ignition::math::Vector2
+/// Help define a pybind11 wrapper for an ignition::math::Vector2
 /**
  * \param[in] module a pybind11 module to add the definition to
  */
 template<typename T>
-void defineMathVector2(py::module &m, const std::string &typestr)
+void helpDefineMathVector2(py::module &m, const std::string &typestr)
 {
   using Class = ignition::math::Vector2<T>;
   auto toString = [](const Class &si) {
@@ -136,8 +136,13 @@ void defineMathVector2(py::module &m, const std::string &typestr)
     .def("__repr__", toString);
 }
 
+/// Define a pybind11 wrapper for an ignition::math::Vector2
+/**
+ * \param[in] module a pybind11 module to add the definition to
+ */
+void defineMathVector2(py::module &m, const std::string &typestr);
 }  // namespace python
 }  // namespace gazebo
 }  // namespace ignition
 
-#endif  // IGNITION_MATH_PYTHON__VECTOR2D_HH_
+#endif  // IGNITION_MATH_PYTHON__VECTOR2_HH_

src/python_pybind11/src/_ignition_math_pybind11.cc

@@ -118,9 +118,7 @@ PYBIND11_MODULE(math, m)
 
   ignition::math::python::defineMathTemperature(m, "Temperature");
 
-  ignition::math::python::defineMathVector2<double>(m, "Vector2d");
-  ignition::math::python::defineMathVector2<int>(m, "Vector2i");
-  ignition::math::python::defineMathVector2<float>(m, "Vector2f");
+  ignition::math::python::defineMathVector2(m, "Vector2");
 
   ignition::math::python::defineMathVector3<double>(m, "Vector3d");
   ignition::math::python::defineMathVector3<int>(m, "Vector3i");