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| author | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-05-19 15:09:05 +1000 |
|---|---|---|
| committer | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-05-19 15:09:05 +1000 |
| commit | c203e45f069af47ca7623e4dcd8c00bfba2722e4 (patch) | |
| tree | 4563115b6565dcfd97015c1c9366fb3d07cabf19 /include/linux/calc64.h | |
| parent | a94477da38e0b261a7ecea71f4c95a3bcd5be69c (diff) | |
| parent | b8291ad07a7f3b5b990900f0001198ac23ba893e (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
Diffstat (limited to 'include/linux/calc64.h')
| -rw-r--r-- | include/linux/calc64.h | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/include/linux/calc64.h b/include/linux/calc64.h deleted file mode 100644 index ebf4b8f38d88..000000000000 --- a/include/linux/calc64.h +++ /dev/null @@ -1,49 +0,0 @@ -#ifndef _LINUX_CALC64_H -#define _LINUX_CALC64_H - -#include <linux/types.h> -#include <asm/div64.h> - -/* - * This is a generic macro which is used when the architecture - * specific div64.h does not provide a optimized one. - * - * The 64bit dividend is divided by the divisor (data type long), the - * result is returned and the remainder stored in the variable - * referenced by remainder (data type long *). In contrast to the - * do_div macro the dividend is kept intact. - */ -#ifndef div_long_long_rem -#define div_long_long_rem(dividend, divisor, remainder) \ - do_div_llr((dividend), divisor, remainder) - -static inline unsigned long do_div_llr(const long long dividend, - const long divisor, long *remainder) -{ - u64 result = dividend; - - *(remainder) = do_div(result, divisor); - return (unsigned long) result; -} -#endif - -/* - * Sign aware variation of the above. On some architectures a - * negative dividend leads to an divide overflow exception, which - * is avoided by the sign check. - */ -static inline long div_long_long_rem_signed(const long long dividend, - const long divisor, long *remainder) -{ - long res; - - if (unlikely(dividend < 0)) { - res = -div_long_long_rem(-dividend, divisor, remainder); - *remainder = -(*remainder); - } else - res = div_long_long_rem(dividend, divisor, remainder); - - return res; -} - -#endif |
