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On 24 Aug 2006, at 20:46, Jerome Vuarand wrote:
- long double as the lua native type - been working on this. People seem horrified.... but I don't do any arithmetic to speak of other than comparisons, simple counting loops, etc., I just need to move data back and forth between C and lua accurately. I'm still working on this.Using long doubles on a 64bit platform is not much worse than usingdoubles on a 32bits platform. It's just that people are not yet used tothem.
Where did you draw that conclusion from? 64-bit Power, SPARC, and Alpha platforms all have 64-bit floating-point units, so long double is a _lot_ worse. Of course, if you're talking about some narrow case like Intel's 64-bit platforms then you may well be right.
Can't say that long double in Lua horrifies me, but then, last year I did a complex number Lua as a hack.
drj