compare signed with unsigned
2009-11-19 17:16
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if (signed < unsighed)
then：
1. signed be converted to unsigned；
2. compare
so if signed value is nagetive, then you will get surprise. (signed < unsighed) return false.
then：
1. signed be converted to unsigned；
2. compare
so if signed value is nagetive, then you will get surprise. (signed < unsighed) return false.
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