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70

answers:

1
Q: 

Does gcc support 128-bit int on amd64?

Does gcc support 128-bit int on amd64?

How to define it?

How to use scanf/printf to read/write it?

+1  A: 

GCC supports built-in __int128_t and __uint128_ttypes on 64-bit platforms, but it looks like formatting support for 128-bit integers is less common in libc.

rkhayrov  2010-07-25 14:49:46

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