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By Andrey_Karpov_2009
via whereswalden.com
Submitted: May 02 2013 / 14:51

C includes various functions for computing the absolute value of a signed number. C++98 implementations add the C functions to namespace std, and it adds abs() overloads to namespace std so std::abs works on everything. For a long time Mozilla used NS_ABS to compute absolute value, but recently we switched to std::abs. This works on many systems, but it has a few issues.
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