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LSL Wiki : llFabs

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float llFabs(float num)

Returns the absolute value of a float. The absolute value of a number is its "distance" from 0. To put it another way, if val is positive or 0, llFabs returns val. If val is negative, llFabs returns val * -1.

Examples of arguments:
numreturn value

Basically, it kills off the negative sign of a float. To have this functionality for integers, it is recommended using llAbs instead.

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Functions | Math
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