It =0, then the iterative deepening search is disabled.
If >0, then depth_limit
is automatically increased when the todo
queue is empty but the depth_limit
was reached in the previous iteration.
Default: 0
# Increase amount for an iterative deepening search.
# It =0, then the iterative deepening search is disabled.
# If >0, then `depth_limit` is automatically increased when the todo
# queue is empty but the `depth_limit` was reached in the previous iteration.
# Default: 0
var iterative_deepening: Int = 0
lib/ai/search.nit:336,2--341,33