[cc]mc | .hd gcd "determine greatest common divisor of two integers" 07/20/84 [cc]mc long_int function gcd (x0, x1) long_int x0, x1 .sp [cc]mc | Library: vswtmath (Subsystem mathematical library) [cc]mc .fs 'Gcd' determines the greatest common divisor of the two long integers specified as arguments. The function return is the GCD (always positive). .im 'Gcd' is a straightforward implementation of Euclid's algorithm. .bu Behavior with nonpositive arguments may be considered irrational by some. .sa invmod (4)