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Linux Cross Reference
Linux/include/asm-ia64/div64.h

Version: ~ [ 2.4.0 ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~ 
  1 #ifndef _ASM_IA64_DIV64_H
  2 #define _ASM_IA64_DIV64_H
  3 
  4 /*
  5  * Copyright (C) 1999 Hewlett-Packard Co
  6  * Copyright (C) 1999 David Mosberger-Tang <davidm@hpl.hp.com>
  7  *
  8  * vsprintf uses this to divide a 64-bit integer N by a small integer BASE.
  9  * This is incredibly hard on IA-64...
 10  */
 11 
 12 #define do_div(n,base)                                          \
 13 ({                                                              \
 14         int _res;                                               \
 15         _res = ((unsigned long) (n)) % (unsigned) (base);       \
 16         (n) = ((unsigned long) (n)) / (unsigned) (base);        \
 17         _res;                                                   \
 18 })
 19 
 20 #endif /* _ASM_IA64_DIV64_H */
 21
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