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by kazinator
564 days ago
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In TXR Lisp, on 64 bit targets, NaN boxing is used. Specifically, that variant whereby pointers represent themselves and a delta operation is needed to recover double precision float values. Is that the same as "NuN tagging"? I like the "tagging" terminology better than "boxing". "NaN Boxing" specifically enables unboxed floats, so the name is stupid. Everyone seems to be using it though. |
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