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Should I use double or float ?
When would I rather use double and when should I use float?
Possible Duplicate: Should I use double or float ? When would I rather use
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Possible Duplicate:
Should I use double or float ?
When would I rather use double and when should I use float?
It’s all about precision.
If you need to store very precise numbers then use a double.
If you need to store less precise numbers and are worried about the size of memory you’re using then use a float.