[Greg Ewing] > The really tragic thing about all this is that most > machines have perfectly good facilities for detecting > overflow at the machine level, but no commonly used > HLL that I know of provides access to them, for some > unfathomable reason. Well, that's where it bifurcates Yet Again -- Pentiums have a perfectly usable "give me the high bits of a 32x32->64 bit product" instruction, and it's just a couple lines of inline assembler under MSVC or gcc (both make such stuff easy to get at, embedded in C code). But as I said at the start, I ignore these things until they pop up in real life. So few *have* popped in real life that there hasn't been any point to creating mounds of platform-dependent #ifdef'ed infrastructure.
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