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Support median block size > 4 GB

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add a 128/64 division routine so we can use a > 32 bit median block
size in calculations
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moneromooo-monero 2019-10-07 19:24:57 +00:00
parent b60cf6a938
commit be82c40703
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6 changed files with 174 additions and 14 deletions
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contrib/epee/include/int-util.h
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@ -129,6 +129,9 @@ static inline uint32_t div128_32(uint64_t dividend_hi, uint64_t dividend_lo, uin
return remainder;
}
// Long divisor with 2^64 base
void div128_64(uint64_t dividend_hi, uint64_t dividend_lo, uint64_t divisor, uint64_t* quotient_hi, uint64_t *quotient_lo, uint64_t *remainder_hi, uint64_t *remainder_lo);
#define IDENT16(x) ((uint16_t) (x))
#define IDENT32(x) ((uint32_t) (x))
#define IDENT64(x) ((uint64_t) (x))