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by nneonneo
2240 days ago
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If x and y are finite floats (not NaN or ±Infinity), with x != y, then x - y != 0. This is true for any pair of floats only because of denormal numbers. If there were no denormals (or denormals were flushed to zero), then if |x - y| < 2^-127 then x - y would become zero. |
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