Magic Number: minimum and maximum

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145	jcadong5 2010.11.18 12:02 Hi, Anyone got the link or know where is the 'official' definition of the minimum and maximum values for the magic number? I am looking for the 'official' definition.

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gordon 2010.11.18 12:05

It's an integer.

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BarrowBoy 2010.11.18 14:10

Keep it to 9 digits or less to avoid problems

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716	1005phillip 2010.11.18 15:40 gordon: It's an integer. this...so the same value range that applies to any other integer. -2147483647 to 2147483647 (2^32)

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gordon 2010.11.18 15:53

1005phillip:

this...so the same value range that applies to any other integer. -2147483647 to 2147483647

(2^32)

More accurately: -2,147,483,648 to 2,147,483,647

(or generally: -2^N−1 to +2^N−1-1, in our case N=32).

876

7bit 2010.11.18 17:46

between 0x00000000 and 0xFFFFFFFF

(while all numbers with the highest bit set to 1 (all those ranging from 0x80000000 to 0xFFFFFFFF) will be interpreted as negative numbers: 0xFFFFFFFF is -1, 0xFFFFFFFE is -2 and so on.)

in other words: you can use anything that fits into a 32 bit signed integer.

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Magic Number: minimum and maximum