Description
Calculates the absolute value of a number.
Syntax
abs(x)
Parameters
x: the number
Returns
x: if x is greater than or equal to 0.
-x: if x is less than 0.
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abs()
[Math]Notes and Warnings
Because of the way the abs() function is implemented, avoid using other functions inside the brackets, it may lead to incorrect results.
abs(a++); // avoid this - yields incorrect results
// use this instead:
abs(a);
a++; // keep other math outside the function
