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76 lines
2.8 KiB
76 lines
2.8 KiB
/*
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tests/test_operator_overloading.cpp -- operator overloading
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Copyright (c) 2016 Wenzel Jakob <wenzel.jakob@epfl.ch>
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All rights reserved. Use of this source code is governed by a
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BSD-style license that can be found in the LICENSE file.
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*/
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#include "pybind11_tests.h"
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#include "constructor_stats.h"
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#include <pybind11/operators.h>
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class Vector2 {
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public:
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Vector2(float x, float y) : x(x), y(y) { print_created(this, toString()); }
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Vector2(const Vector2 &v) : x(v.x), y(v.y) { print_copy_created(this); }
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Vector2(Vector2 &&v) : x(v.x), y(v.y) { print_move_created(this); v.x = v.y = 0; }
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~Vector2() { print_destroyed(this); }
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std::string toString() const {
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return "[" + std::to_string(x) + ", " + std::to_string(y) + "]";
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}
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void operator=(const Vector2 &v) {
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print_copy_assigned(this);
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x = v.x;
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y = v.y;
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}
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void operator=(Vector2 &&v) {
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print_move_assigned(this);
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x = v.x; y = v.y; v.x = v.y = 0;
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}
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Vector2 operator+(const Vector2 &v) const { return Vector2(x + v.x, y + v.y); }
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Vector2 operator-(const Vector2 &v) const { return Vector2(x - v.x, y - v.y); }
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Vector2 operator-(float value) const { return Vector2(x - value, y - value); }
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Vector2 operator+(float value) const { return Vector2(x + value, y + value); }
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Vector2 operator*(float value) const { return Vector2(x * value, y * value); }
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Vector2 operator/(float value) const { return Vector2(x / value, y / value); }
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Vector2& operator+=(const Vector2 &v) { x += v.x; y += v.y; return *this; }
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Vector2& operator-=(const Vector2 &v) { x -= v.x; y -= v.y; return *this; }
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Vector2& operator*=(float v) { x *= v; y *= v; return *this; }
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Vector2& operator/=(float v) { x /= v; y /= v; return *this; }
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friend Vector2 operator+(float f, const Vector2 &v) { return Vector2(f + v.x, f + v.y); }
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friend Vector2 operator-(float f, const Vector2 &v) { return Vector2(f - v.x, f - v.y); }
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friend Vector2 operator*(float f, const Vector2 &v) { return Vector2(f * v.x, f * v.y); }
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friend Vector2 operator/(float f, const Vector2 &v) { return Vector2(f / v.x, f / v.y); }
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private:
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float x, y;
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};
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test_initializer operator_overloading([](py::module &m) {
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py::class_<Vector2>(m, "Vector2")
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.def(py::init<float, float>())
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.def(py::self + py::self)
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.def(py::self + float())
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.def(py::self - py::self)
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.def(py::self - float())
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.def(py::self * float())
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.def(py::self / float())
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.def(py::self += py::self)
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.def(py::self -= py::self)
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.def(py::self *= float())
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.def(py::self /= float())
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.def(float() + py::self)
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.def(float() - py::self)
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.def(float() * py::self)
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.def(float() / py::self)
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.def("__str__", &Vector2::toString)
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;
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m.attr("Vector") = m.attr("Vector2");
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});
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