Compares a and b in a qsort callback/D opCmp fashion. a and b are int128_t values composed from alo and ahi or blo and bhi, respectively.
value of the lower 64 bits of a
value of the higher 64 bits of a
value of the lower 64 bits of b
value of the higher 64 bits of b
a value less than 0 if a < b, a value greater than 0 if a > b or 0 if a == b.
See Implementation
Compares a and b in a qsort callback/D opCmp fashion. a and b are int128_t values composed from alo and ahi or blo and bhi, respectively.