Macrosยง
Constantsยง
- FAST_
DIV_ ๐WIDE  
Functionsยง
- div_
half ๐ - For small divisors, we can divide without promoting to 
DoubleBigDigitby using half-size pieces of digit, like long-division. - div_rem ๐
 - div_
rem_ ๐core  - An implementation of the base division algorithm. Knuth, TAOCP vol 2 section 4.3.1, algorithm D, with an improvement from exercises 19-21.
 - div_
rem_ ๐digit  - div_
rem_ ๐ref  - div_
wide ๐ - x86 and x86_64 can use a real 
divinstruction. - rem_
digit ๐ - sub_
mul_ ๐digit_ same_ len  - Subtract a multiple. a -= b * c Returns a borrow (if a < b then borrow > 0).