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-rw-r--r--src/wolff_clock.cpp154
1 files changed, 0 insertions, 154 deletions
diff --git a/src/wolff_clock.cpp b/src/wolff_clock.cpp
deleted file mode 100644
index 3dec284..0000000
--- a/src/wolff_clock.cpp
+++ /dev/null
@@ -1,154 +0,0 @@
-
-#include <getopt.h>
-
-#ifdef HAVE_GLUT
-#include <GL/glut.h>
-#endif
-
-// include your group and spin space
-#include <dihedral.h>
-#include <potts.h>
-#include <colors.h>
-
-// hack to speed things up considerably
-#define N_STATES POTTSQ
-#include <finite_states.h>
-
-// include wolff.h
-#include <rand.h>
-#include <wolff.h>
-
-typedef state_t <dihedral_t<POTTSQ>, potts_t<POTTSQ>> sim_t;
-
-int main(int argc, char *argv[]) {
-
- count_t N = (count_t)1e4;
-
- D_t D = 2;
- L_t L = 128;
- double T = 2.26918531421;
- double *H_vec = (double *)calloc(MAX_Q, sizeof(double));
-
- bool silent = false;
- bool draw = false;
- unsigned int window_size = 512;
-
- int opt;
- q_t H_ind = 0;
-
- while ((opt = getopt(argc, argv, "N:D:L:T:H:sdw:")) != -1) {
- switch (opt) {
- case 'N': // number of steps
- N = (count_t)atof(optarg);
- break;
- case 'D': // dimension
- D = atoi(optarg);
- break;
- case 'L': // linear size
- L = atoi(optarg);
- break;
- case 'T': // temperature
- T = atof(optarg);
- break;
- case 'H': // external field. nth call couples to state n
- H_vec[H_ind] = atof(optarg);
- H_ind++;
- break;
- case 's': // don't print anything during simulation. speeds up slightly
- silent = true;
- break;
- case 'd':
-#ifdef HAVE_GLUT
- draw = true;
- break;
-#else
- printf("You didn't compile this with the glut library installed!\n");
- exit(EXIT_FAILURE);
-#endif
- case 'w':
- window_size = atoi(optarg);
- break;
- default:
- exit(EXIT_FAILURE);
- }
- }
-
- // initialize random number generator
- gsl_rng *r = gsl_rng_alloc(gsl_rng_mt19937);
- gsl_rng_set(r, rand_seed());
-
- // define spin-spin coupling
- std::function <double(const potts_t<POTTSQ>&, const potts_t<POTTSQ>&)> Z = [] (const potts_t<POTTSQ>& s1, const potts_t<POTTSQ>& s2) -> double {
- return cos(2 * M_PI * (double)(s1.x + POTTSQ - s2.x) / (double)POTTSQ);
- };
-
- // define spin-field coupling
- std::function <double(const potts_t<POTTSQ>&)> B = [=] (const potts_t<POTTSQ>& s) -> double {
- return H_vec[s.x];
- };
-
- // initialize state object
- state_t <dihedral_t<POTTSQ>, potts_t<POTTSQ>> s(D, L, T, Z, B);
-
- // define function that generates self-inverse rotations
- std::function <dihedral_t<POTTSQ>(gsl_rng *, potts_t<POTTSQ>)> gen_R = [] (gsl_rng *r, potts_t<POTTSQ> v) -> dihedral_t<POTTSQ> {
- dihedral_t<POTTSQ> rot;
- rot.is_reflection = true;
- q_t x = gsl_rng_uniform_int(r, POTTSQ - 1);
- rot.x = (2 * v.x + x + 1) % POTTSQ;
-
- return rot;
- };
-
- // define function that updates any number of measurements
- std::function <void(const sim_t&)> measurement;
-
- double average_M = 0;
- if (!draw) {
- // a very simple example: measure the average magnetization
- measurement = [&] (const sim_t& s) {
- average_M += (double)s.M[0] / (double)N / (double)s.nv;
- };
- } else {
- // a more complex example: measure the average magnetization, and draw the spin configuration to the screen
-
-#ifdef HAVE_GLUT
- // initialize glut
- glutInit(&argc, argv);
- glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
- glutInitWindowSize(window_size, window_size);
- glutCreateWindow("wolff");
- glClearColor(0.0,0.0,0.0,0.0);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- gluOrtho2D(0.0, L, 0.0, L);
-
- measurement = [&] (const sim_t& s) {
- average_M += (double)s.M[0] / (double)N / (double)s.nv;
- glClear(GL_COLOR_BUFFER_BIT);
- for (v_t i = 0; i < pow(L, 2); i++) {
- potts_t<POTTSQ> tmp_s = s.R.act_inverse(s.spins[i]);
- glColor3f(hue_to_R(tmp_s.x * 2 * M_PI / POTTSQ), hue_to_G(tmp_s.x * 2 * M_PI / POTTSQ), hue_to_B(tmp_s.x * 2 * M_PI / POTTSQ));
- glRecti(i / L, i % L, (i / L) + 1, (i % L) + 1);
- }
- glFlush();
- };
-#endif
- }
-
- // run wolff for N cluster flips
- wolff(N, s, gen_R, measurement, r, silent);
-
- // tell us what we found!
- printf("%" PRIcount " %d-Potts runs completed. D = %" PRID ", L = %" PRIL ", T = %g, H = %g, <M> = %g\n", N, POTTSQ, D, L, T, H_vec[0], average_M);
-
- // free the random number generator
- gsl_rng_free(r);
-
- if (draw) {
- }
-
- return 0;
-
-}
-