#pragma once

namespace Math {

    // Free functions — each becomes a mangled symbol, e.g.
    //   Math::sqrt(double)  →  _ZN4Math4sqrtEd
    //   Math::square(double) → _ZN4Math6squareEd
    //   Math::cube(double)   → _ZN4Math4cubeEd
    double sqrt(double x);
    double square(double x);
    double cube(double x);

    // Class — member functions add even richer mangling
    class Vector2D {
    public:
        double x, y;

        Vector2D(double x, double y);

        double    length() const;
        Vector2D  add(const Vector2D& other) const;
        Vector2D  scale(double factor) const;
        double    dot(const Vector2D& other) const;
    };

} // namespace Math