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author | Jaron Kent-Dobias <jaron@kent-dobias.com> | 2019-01-14 15:47:59 -0500 |
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committer | Jaron Kent-Dobias <jaron@kent-dobias.com> | 2019-01-14 15:47:59 -0500 |
commit | 49ac78a6c04e215950bc9c0f97368605e63da15b (patch) | |
tree | 64b770c543a0c90bc7dcbc06ceaaa31e96e541ce /lib/wolff_models/dihedral.hpp | |
parent | 994cbf1a3b611ff4c94ced3b1630e51fd249d7ed (diff) | |
download | c++-49ac78a6c04e215950bc9c0f97368605e63da15b.tar.gz c++-49ac78a6c04e215950bc9c0f97368605e63da15b.tar.bz2 c++-49ac78a6c04e215950bc9c0f97368605e63da15b.zip |
Large refactoring around changes in the graph class.
- Graphs now use lists of references instead of vectors of indicies.
- Vertices and edges have associated classes that can be given arbitrary properties via template specification.
- All essential library headers have been combined into one, wolff.hpp.
Diffstat (limited to 'lib/wolff_models/dihedral.hpp')
-rw-r--r-- | lib/wolff_models/dihedral.hpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/lib/wolff_models/dihedral.hpp b/lib/wolff_models/dihedral.hpp new file mode 100644 index 0000000..aef3be6 --- /dev/null +++ b/lib/wolff_models/dihedral.hpp @@ -0,0 +1,54 @@ + +#ifndef WOLFF_MODELS_DIHEDRAL_H +#define WOLFF_MODELS_DIHEDRAL_H + +#include "potts.hpp" + +namespace wolff { + + template <unsigned q> + class dihedral_t { + public: + bool is_reflection; + unsigned x; + + dihedral_t() : is_reflection(false), x(0) {} + dihedral_t(bool x, unsigned y) : is_reflection(x), x(y) {} + + potts_t<q> act(const potts_t<q>& s) const { + if (this->is_reflection) { + return potts_t<q>(((q + this->x) - s.x) % q); + } else { + return potts_t<q>((this->x + s.x) % q); + } + } + + dihedral_t<q> act(dihedral_t<q> r) const { + if (this->is_reflection) { + return dihedral_t<q>(!(r.is_reflection), ((q + this->x) - r.x) % q); + } else { + return dihedral_t<q>(r.is_reflection, (this->x + r.x) % q); + } + } + + potts_t<q> act_inverse(potts_t<q> s) const { + if (this->is_reflection) { + return this->act(s); + } else { + return potts_t<q>(((s.x + q) - this->x) % q); + } + } + + dihedral_t<q> act_inverse(dihedral_t<q> r) const { + if (this->is_reflection) { + return this->act(r); + } else { + return dihedral_t<q>(r.is_reflection, ((r.x + q) - this->x) % q); + } + } + }; + +} + +#endif + |