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🚸 small improvements to Control and Permutation bindings #593

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merged 3 commits into from
Apr 20, 2024
Merged

🚸 small improvements to Control and Permutation bindings #593

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19af984
✨ hash support for `Control`
burgholzer Apr 20, 2024
33d8465
✨ hash support and implicit dict conversion for `Permutation`
burgholzer Apr 20, 2024
14b8661
🎨 CLion code formatting
burgholzer Apr 20, 2024
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16 changes: 16 additions & 0 deletions include/mqt-core/Permutation.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,8 @@
#include "Definitions.hpp"
#include "operations/Control.hpp"

#include <cstddef>
#include <functional>
#include <map>

namespace qc {
Expand Down Expand Up @@ -30,3 +32,17 @@ class Permutation : public std::map<Qubit, Qubit> {
}
};
} // namespace qc

// define hash function for Permutation
namespace std {
template <> struct hash<qc::Permutation> {
std::size_t operator()(const qc::Permutation& p) const {
std::size_t seed = 0;
for (const auto& [k, v] : p) {
qc::hashCombine(seed, k);
qc::hashCombine(seed, v);
}
return seed;
}
};
} // namespace std
12 changes: 12 additions & 0 deletions include/mqt-core/operations/Control.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,11 @@

#include "Definitions.hpp"

#include <cstddef>
#include <functional>
#include <set>
#include <sstream>
#include <string>

namespace qc {
struct Control {
Expand Down Expand Up @@ -73,3 +76,12 @@ inline Control operator""_nc(unsigned long long int q) {
}
} // namespace literals
} // namespace qc

namespace std {
template <> struct hash<qc::Control> {
std::size_t operator()(const qc::Control& c) const {
return std::hash<qc::Qubit>{}(c.qubit) ^
std::hash<qc::Control::Type>{}(c.type);
}
};
} // namespace std
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