Hi!

This was the site that Reference corrections link moved me.

I think there is an error with abs(x):

Reference Language | Libraries | Comparison | Changes

abs(x)

Description

Computes the absolute value of a number.

Parameters

x: the number

Returns

x: if x is greater than or equal to 0.

-x: if x is less than 0. <-------------------Here

Warning

Compared to c++ reference: if x is less than 0, means negative number, returns x. (Not -x ! )

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Saku