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Add residual reduction algorithm #406

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merged 5 commits into from
May 29, 2024
Merged

Add residual reduction algorithm #406

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f84683e
Add residual reduction algorithm
notValord Apr 17, 2024
a6d772a
Fix memory leak, forgotten freeing of the memory
notValord Apr 19, 2024
d5b7963
Fix Codacy static code analysis warnings.
notValord Apr 23, 2024
0a0715f
Add the proposed suggestions to improve performance.
notValord May 2, 2024
f99b96c
Remove the dynamic memory allocation as it is not required and does not
notValord May 28, 2024
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8 changes: 6 additions & 2 deletions include/mata/nfa/nfa.hh
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
#include <unordered_set>
#include <utility>
#include <vector>
#include <queue>

#include "mata/alphabet.hh"
#include "mata/parser/parser.hh"
Expand Down Expand Up @@ -535,11 +536,14 @@ Nfa determinize(const Nfa& aut, std::unordered_map<StateSet, State> *subset_map
* @param[in] aut Automaton to reduce.
* @param[out] state_renaming Mapping of original states to reduced states.
* @param[in] params Optional parameters to control the reduction algorithm:
* - "algorithm": "simulation".
* - "algorithm": "simulation", "residual",
* and options to parametrize residual reduction, not utilized in simulation
* - "type": "after", "with",
* - "direction": "forward", "backward".
* @return Reduced automaton.
*/
Nfa reduce(const Nfa &aut, StateRenaming *state_renaming = nullptr,
const ParameterMap& params = {{ "algorithm", "simulation" } });
const ParameterMap& params = {{ "algorithm", "simulation" }, { "type", "after" }, { "direction", "forward" } });

/**
* @brief Checks inclusion of languages of two NFAs: @p smaller and @p bigger (smaller <= bigger).
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