gcd.rb:4
def gcd(a, b)
# # ********************************************************
# # This tests the 'linetrace+' command.
# # ********************************************************
# set basename on
basename is on.
# set linetrace+ on
line tracing style is different consecutive lines.
# set linetrace on
line tracing is on.
# continue
Tracing(1):gcd.rb:18 gcd(3,5)
Tracing(1):gcd.rb:6 if a > b
Tracing(1):gcd.rb:10 return nil if a <= 0
Tracing(1):gcd.rb:12 if a == 1 or b-a == 0
Tracing(1):gcd.rb:15 return gcd(b-a, a)
Tracing(1):gcd.rb:6 if a > b
Tracing(1):gcd.rb:10 return nil if a <= 0
Tracing(1):gcd.rb:12 if a == 1 or b-a == 0
Tracing(1):gcd.rb:15 return gcd(b-a, a)
Tracing(1):gcd.rb:6 if a > b
Tracing(1):gcd.rb:10 return nil if a <= 0
Tracing(1):gcd.rb:12 if a == 1 or b-a == 0
Tracing(1):gcd.rb:13 return a