# # Version 0 : Technique 3
# print "Running initialization gdb commands..."

# Version 1 : Technique 3
# print "Running initialization gdb commands..."
# run

# # Version 2 : Technique 5
# print "Running initialization gdb commands..."
# break ack
# run

# # Version 3 : Technique 6
# print "Running initialization gdb commands..."
# break ack
# commands
# 	continue
# end
# run

# # Version 4 : Technique 7
# print "Running initialization gdb commands..."
# set variable $nack = 0
# break ack
# commands
# 	set variable $nack = $nack + 1
# 	printf "ack function invoked %d times\n",$nack
# 	continue
# end
# run

# # Version 5 : Technique 7
# print "Running initialization gdb commands..."
# set variable $nack = 0
# set variable $rlev = 0
# break ack
# commands
# 	silent
# 	set variable $nack = $nack + 1
# 	set variable $rlev = $rlev + 1
# 	printf "ack function invoked %d times, recursion depth=%d\n",$nack,$rlev
# 	continue
# end
# break 27
# commands
# 	silent
# 	set variable $rlev = $rlev - 1
# 	continue
# end
# run

# # Version 6 : Technique 8
# print "Running initialization gdb commands..."
# set variable $nack = 0
# set variable $rlev = 0
# break ack
# commands
# 	silent
# 	set variable $nack = $nack + 1
# 	set variable $rlev = $rlev + 1
# 	continue
# end
# break 24 if (0==$nack%100)
# commands
# 	silent
# 	printf "ack function invoked %d times, recursion depth=%d\n",$nack,$rlev
# 	continue
# end
# break 27
# commands
# 	silent
# 	set variable $rlev = $rlev - 1
# continue
# end
# run

# Version 7 : Technique 9
print "Running initialization gdb commands..."
set variable $nack = 0
set variable $rlev = 0
set variable $rlim = 16
break ack
commands
	silent
	set variable $nack = $nack + 1
	set variable $rlev = $rlev + 1
	continue
end
break 24 if ($rlev >= $rlim)
commands
	silent
	set variable $rlim = $rlim * 2
	printf "ack function invoked %d times, recursion depth=%d\n",$nack,$rlev
end
break 27
commands
	silent
	set variable $rlev = $rlev - 1
continue
end
run