public static void Validate(this Matrix2f m)
{
if (IsInvalid(m.M11) || IsInvalid(m.M12) ||
IsInvalid(m.M21) || IsInvalid(m.M22))
{
throw new NotFiniteNumberException("Invalid value.");
}
}
/// <summary>
/// Transforms the vector by the matrix.
/// </summary>
/// <param name="v">Vector2 to transform.</param>
/// <param name="matrix">Matrix to use as the transformation.</param>
/// <param name="result">Product of the transformation.</param>
public static void Transform(ref Vector2f v, ref Matrix2f matrix, out Vector2f result)
{
float vX = v.X;
float vY = v.Y;
#if !WINDOWS
result = new Vector2f();
#endif
result.X = vX * matrix.M11 + vY * matrix.M21;
result.Y = vX * matrix.M12 + vY * matrix.M22;
}
