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| == adapt_costs == | == Cost-adapted task == A cost-adapting transformation of the root task. |
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| adapt_costs(transform=no_transform, cost_type=NORMAL) | adapt_costs(cost_type=normal) |
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| * ''transform'' ([[Doc/AbstractTask|AbstractTask]]): Parent task transformation * ''cost_type'' ({NORMAL, ONE, PLUSONE}): Operator cost adjustment type. No matter what this setting is, axioms will always be considered as actions of cost 0 by the heuristics that treat axioms as actions. * {{{NORMAL}}}: all actions are accounted for with their real cost * {{{ONE}}}: all actions are accounted for as unit cost * {{{PLUSONE}}}: all actions are accounted for as their real cost + 1 (except if all actions have original cost 1, in which case cost 1 is used). This is the behaviour known for the heuristics of the LAMA planner. This is intended to be used by the heuristics, not search engines, but is supported for both. |
* ''cost_type'' ({normal, one, plusone}): Operator cost adjustment type. No matter what this setting is, axioms will always be considered as actions of cost 0 by the heuristics that treat axioms as actions. * {{{normal}}}: all actions are accounted for with their real cost * {{{one}}}: all actions are accounted for as unit cost * {{{plusone}}}: all actions are accounted for as their real cost + 1 (except if all actions have original cost 1, in which case cost 1 is used). This is the behaviour known for the heuristics of the LAMA planner. This is intended to be used by the heuristics, not search algorithms, but is supported for both. |
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Contents
Cost-adapted task
A cost-adapting transformation of the root task.
adapt_costs(cost_type=normal)
cost_type ({normal, one, plusone}): Operator cost adjustment type. No matter what this setting is, axioms will always be considered as actions of cost 0 by the heuristics that treat axioms as actions.
normal: all actions are accounted for with their real cost
one: all actions are accounted for as unit cost
plusone: all actions are accounted for as their real cost + 1 (except if all actions have original cost 1, in which case cost 1 is used). This is the behaviour known for the heuristics of the LAMA planner. This is intended to be used by the heuristics, not search algorithms, but is supported for both.
no_transform
no_transform()