Kirk Zurell's blog

Neat XOR trick

This is a neat trick using XOR, the most mysterious of the logical operators. Best of all for embedded, it requires no temporary locations.

//swap two values in place
if(x < y)
{
  x = x ^ y;
  y = y ^ x;
  x = x ^ y;
}

Et voila!

Fuzz-C

Fuzzy Logic zeitgeist, with statistics

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I decided to sift through the cache of alerts ... to get a better idea of the zeitgeist of fuzzy logic. ...[F]uzzy logic is familiar enough to be used intelligently or casually, and, it turns out, to be chronically misrepresented as well.

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