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64 bit integers
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Professional Poster
Join Date: Jul 2001
Location: Dis
Status:
Offline
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Is there any way I can get 64 bit integers? I want to write a custom float composed of three 64 bit integers (the number will be (x ± y)×10^z [don't know of this html symbol will work]). In short, I want to implement a custom number type, but I really want the extra precision afforded by 64 bit integers. I've tried querying a sizeof(long int), and the system returns 4 bytes (same as sizeof(int))! Am I going to have to implement another custom data type comprised of two regular ints to get the precision I want?
It just seems like such a hassle, and it doesn't make sense. Shouldn't a long int be 64 bits (just like a long double should be 128)?
BlackGriffen
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I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use. -Galileo Galilei, physicist and astronomer (1564-1642)
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Clinically Insane
Join Date: Oct 2001
Location: San Diego, CA, USA
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Offline
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This looks like what you're looking for: <a href="http://developer.apple.com/techpubs/macosx/DeveloperTools/Compiler/Compiler.27.html" target="_blank">Double-Word Integers</a>
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Chuck
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"Instead of either 'multi-talented' or 'multitalented' use 'bisexual'."
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Professional Poster
Join Date: Jul 2001
Location: Dis
Status:
Offline
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</font><blockquote><font size="1" face="Geneva, Verdana, Arial, sans-serif">quote:</font><hr /><font size="1" face="Geneva, Verdana, Arial, sans-serif">Originally posted by Chuckit:
<strong>This looks like what you're looking for: <a href="http://developer.apple.com/techpubs/macosx/DeveloperTools/Compiler/Compiler.27.html" target="_blank">Double-Word Integers</a></strong></font><hr /></blockquote><font size="1" face="Geneva, Verdana, Arial, sans-serif">Yes, thank you! I guess I should check Apple's documentation from time to time <img border="0" title="" alt="[Wink]" src="wink.gif" /> . Thank you very much, you've saved me a ton of work.
Thanx 
BlackGriffen
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I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use. -Galileo Galilei, physicist and astronomer (1564-1642)
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