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by luk32
2918 days ago
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No. It can check whether the operands will cause overflow and issue an error instead of silently giving a bogus result. It's a performance hit though. I don't think you'd want a banking app written with assumption that you'll never have more than MAXINT amount of dollars, and adding few more will roll you back to 0 or even put you in debt... silently... because well it works this way, and designer didint think you'll hit the limit. If it ever happened you'd like a siren to go off. |
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Yes, and it could also decide to wipe your hard drive because of the latitude given to it by the C standard. Many compilers have an option to enable some sort of special behavior when a signed integer overflows, but such extensions are non-standard.