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libbb: move isqrt from factor, use it in diff too

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Denys Vlasenko
2017-04-11 07:34:56 +02:00
parent 10673c44f1
commit 8a134ec680
4 changed files with 63 additions and 29 deletions
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2
include/libbb.h
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@ -342,6 +342,8 @@ extern int *const bb_errno;
uint64_t bb_bswap_64(uint64_t x) FAST_FUNC;
#endif
unsigned long FAST_FUNC isqrt(unsigned long long N);
unsigned long long monotonic_ns(void) FAST_FUNC;
unsigned long long monotonic_us(void) FAST_FUNC;
unsigned long long monotonic_ms(void) FAST_FUNC;