David Given wrote:

> Instead what happens is the return value of the function is clipped into
> the [0..1] range.

at least for the maps itself it is documented that the value are
supposed to be in the range 0.0 to 1.0. Regarding the function wrap
I found that unexpected too when I encountered it (would have expected
value > 1.0 to be treated same as 1.0).

But it is easy to work around that using "select" statement.

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