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![Bit Twiddling Hacks - Computer Graphics at Stanford University](https://www.iarticlesnet.com/pub/img/site/s_06.jpeg)
Bit Twiddling Hacks - Computer Graphics at Stanford University
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日期:2024-07-22
Compute the integer absolute value (abs) without branching int v; // we want to find the absolute value of v unsigned int r; // the result goes here int const mask = v >> sizeof(int) * CHAR_BIT - 1; r = (v + mask) ^ mask; Patented variation: r = (v ^ mask...看更多