diff options
Diffstat (limited to 'lib/potts.h')
-rw-r--r-- | lib/potts.h | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/lib/potts.h b/lib/potts.h deleted file mode 100644 index 1764e53..0000000 --- a/lib/potts.h +++ /dev/null @@ -1,72 +0,0 @@ -#pragma once - -#include <cmath> -#include <stdio.h> - -#include "types.h" -#include "vector.h" - -template <q_t q> -class potts_t { - public: - q_t x; - - typedef vector_t<q, int> M_t; - typedef vector_t<q, double> F_t; - - potts_t() : x(0) {} - potts_t(q_t x) : x(x) {} - - inline vector_t<q, int> operator*(v_t a) const { - vector_t<q, int> result; - result.fill(0); - result[x] = (int)a; - - return result; - } - - inline vector_t<q, double> operator*(double a) const { - vector_t<q, double> result; - result.fill(0.0); - result[x] = a; - - return result; - } - - inline vector_t<q, int> operator-(const potts_t<q> &s) const { - vector_t<q, int> result; - result.fill(0); - - result[x]++; - result[s.x]--; - - return result; - } -}; - -// we could inherit norm_squared from vector.h, but convention dictates that -// potts norms be changed by a constant factor -template <q_t q> -double norm_squared(vector_t<q, double> s) { - double total = 0; - for (double& x : s) { - total += pow(x, 2); - } - - return total * (double)q / ((double)q - 1.0); -} - -// we could inherit write_magnetization from vector.h, but since M.x must sum -// to nv we don't need to write the last element -template <q_t q> -void write_magnetization(vector_t<q, int> M, FILE *outfile) { - for (int& x : M) { - fwrite(&x, sizeof(int), q - 1, outfile); - } -} - -// knock yourself out -const potts_t<POTTSQ> states[256] = {{0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, {9}, {11}, {12}, {13}, {14}, {15}, {16}, {17}, {18}, {19}, {20}, {21}, {22}, {23}, {24}, {25}, {26}, {27}, {28}, {29}, {30}, {31}, {32}, {33}, {34}, {35}, {36}, {37}, {38}, {39}, {40}, {41}, {42}, {43}, {44}, {45}, {46}, {47}, {48}, {49}, {50}, {51}, {52}, {53}, {54}, {55}, {56}, {57}, {58}, {59}, {60}, {61}, {62}, {63}, {64}, {65}, {66}, {67}, {68}, {69}, {70}, {71}, {72}, {73}, {74}, {75}, {76}, {77}, {78}, {79}, {80}, {81}, {82}, {83}, {84}, {85}, {86}, {87}, {88}, {89}, {90}, {91}, {92}, {93}, {94}, {95}, {96}, {97}, {98}, {99}, {100}, {101}, {102}, {103}, {104}, {105}, {106}, {107}, {108}, {109}, {110}, {111}, {112}, {113}, {114}, {115}, {116}, {117}, {118}, {119}, {120}, {121}, {122}, {123}, {124}, {125}, {126}, {127}, {128}, {129}, {130}, {131}, {132}, {133}, {134}, {135}, {136}, {137}, {138}, {139}, {140}, {141}, {142}, {143}, {144}, {145}, {146}, {147}, {148}, {149}, {150}, {151}, {152}, {153}, {154}, {155}, {156}, {157}, {158}, {159}, {160}, {161}, {162}, {163}, {164}, {165}, {166}, {167}, {168}, {169}, {170}, {171}, {172}, {173}, {174}, {175}, {176}, {177}, {178}, {179}, {180}, {181}, {182}, {183}, {184}, {185}, {186}, {187}, {188}, {189}, {190}, {191}, {192}, {193}, {194}, {195}, {196}, {197}, {198}, {199}, {200}, {201}, {202}, {203}, {204}, {205}, {206}, {207}, {208}, {209}, {210}, {211}, {212}, {213}, {214}, {215}, {216}, {217}, {218}, {219}, {220}, {221}, {222}, {223}, {224}, {225}, {226}, {227}, {228}, {229}, {230}, {231}, {232}, {233}, {234}, {235}, {236}, {237}, {238}, {239}, {240}, {241}, {242}, {243}, {244}, {245}, {246}, {247}, {248}, {249}, {250}, {251}, {252}, {253}, {254}, {255}}; -template <q_t q> -q_t state_to_ind(potts_t<q> state) { return (q_t)state.x; } - |