/// <summary>
/// ProjectionMatrix copy constructor.
/// </summary>
/// <param name="m">
/// A <see cref="ProjectionMatrix"/> to be copied.
/// </param>
protected ProjectionMatrix(ProjectionMatrix m)
: base(m)
{
}
/// <summary>
/// ProjectionMatrix copy constructor.
/// </summary>
/// <param name="m">
/// A <see cref="ProjectionMatrix"/> to be copied.
/// </param>
protected ProjectionMatrix(ProjectionMatrix m)
: base(m)
{
}