Fun with numbers - dammit, but I want a cast!

[Erik Max Francis]

Graham Nicholls wrote:

> Thats what I wanted to do, but was sure I'd read that python didn't
> have
> casts, and that _looks_ like a cast to me!

It's a function call, not a conversion.  Even in C++, conversion by
constructor is not considered a cast.   A cast would be:

	xframe/static_cast<float>(image_x)

and there is no analogous structure to this in Python.

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