ommon Functions Abs: calculates an absolute value

<p><a class="normal" href="GLZMath.html#Sign">Sign</a>: calculates the <a class="normal" href="GLZMath.html#Sign">sign</a> of a value

<p><a class="normal" href="GLZMath.html#Floor">Floor</a>: rounds a value towards negative infinity

<p><a class="normal" href="GLZMath.html#Trunc">Trunc</a>: rounds a value towards 0

<p><a class="normal" href="GLZMath.html#Round">Round</a>: rounds a value towards its nearest integer

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