Shane 522fce544e add return value which might be 0 (#20657) ... if the input in abs is 0, then the return can't always be a positive value. 0 is not a positive value		2018-10-31 20:52:54 -05:00
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index.md	add return value which might be 0 (#20657)	2018-10-31 20:52:54 -05:00