diff options
Diffstat (limited to 'src/wolff_finite.c')
| -rw-r--r-- | src/wolff_finite.c | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/src/wolff_finite.c b/src/wolff_finite.c deleted file mode 100644 index 9b3e21e..0000000 --- a/src/wolff_finite.c +++ /dev/null @@ -1,188 +0,0 @@ - -#include <time.h> -#include <getopt.h> - -#include <initial_finite.h> - -int main(int argc, char *argv[]) { - - count_t N = (count_t)1e7; - - finite_model_t model = ISING; - - q_t q = 2; - D_t D = 2; - L_t L = 128; - double T = 2.26918531421; - double *J = (double *)calloc(MAX_Q, sizeof(double)); - J[0] = 1.0; - double *H = (double *)calloc(MAX_Q, sizeof(double)); - - bool silent = false; - - int opt; - q_t J_ind = 0; - q_t H_ind = 0; - - while ((opt = getopt(argc, argv, "N:t:q:D:L:T:J:H:s")) != -1) { - switch (opt) { - case 'N': // number of steps - N = (count_t)atof(optarg); - break; - case 't': // type of simulation - model = (finite_model_t)atoi(optarg); - break; - case 'q': // number of states, if relevant - q = atoi(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 'J': // couplings, if relevant. nth call couples states i and i + n - J[J_ind] = atof(optarg); - J_ind++; - break; - case 'H': // external field. nth call couples to state n - H[H_ind] = atof(optarg); - H_ind++; - break; - case 's': // don't print anything during simulation. speeds up slightly - silent = true; - break; - default: - exit(EXIT_FAILURE); - } - } - - state_finite_t *s; - - switch (model) { - case ISING: - s = initial_finite_prepare_ising(D, L, T, H); - break; - case POTTS: - s = initial_finite_prepare_potts(D, L, q, T, H); - break; - case CLOCK: - s = initial_finite_prepare_clock(D, L, q, T, H); - break; - case DGM: - s = initial_finite_prepare_dgm(D, L, q, T, H); - break; - default: - printf("Not a valid model!\n"); - free(J); - free(H); - exit(EXIT_FAILURE); - } - - free(J); - free(H); - - // initialize random number generator - gsl_rng *r = gsl_rng_alloc(gsl_rng_mt19937); - gsl_rng_set(r, rand_seed()); - - unsigned long timestamp; - - { - struct timespec spec; - clock_gettime(CLOCK_REALTIME, &spec); - timestamp = spec.tv_sec*1000000000LL + spec.tv_nsec; - } - - FILE *outfile_info = fopen("wolff_metadata.txt", "a"); - - fprintf(outfile_info, "<| \"ID\" -> %lu, \"MODEL\" -> \"%s\", \"q\" -> %" PRIq ", \"D\" -> %" PRID ", \"L\" -> %" PRIL ", \"NV\" -> %" PRIv ", \"NE\" -> %" PRIv ", \"NB\" -> %" PRIq ", \"T\" -> %.15f, \"J\" -> {", timestamp, finite_model_t_strings[model], s->q, D, L, s->nv, s->ne, s->n_bond_types, T); - - for (q_t i = 0; i < s->n_bond_types; i++) { - fprintf(outfile_info, "%.15f", s->J[i]); - if (i < s->n_bond_types - 1) { - fprintf(outfile_info, ", "); - } - } - - fprintf(outfile_info, "}, \"H\" -> {"); - - for (q_t i = 0; i < s->q; i++) { - fprintf(outfile_info, "%.15f", s->H[i]); - if (i < s->q - 1) { - fprintf(outfile_info, ", "); - } - } - - fprintf(outfile_info, "} |>\n"); - - fclose(outfile_info); - - char *filename_M = (char *)malloc(255 * sizeof(char)); - char *filename_B = (char *)malloc(255 * sizeof(char)); - char *filename_S = (char *)malloc(255 * sizeof(char)); - - sprintf(filename_M, "wolff_%lu_M.dat", timestamp); - sprintf(filename_B, "wolff_%lu_B.dat", timestamp); - sprintf(filename_S, "wolff_%lu_S.dat", timestamp); - - FILE *outfile_M = fopen(filename_M, "wb"); - FILE *outfile_B = fopen(filename_B, "wb"); - FILE *outfile_S = fopen(filename_S, "wb"); - - free(filename_M); - free(filename_B); - free(filename_S); - - v_t cluster_size = 0; - - if (!silent) printf("\n"); - for (count_t steps = 0; steps < N; steps++) { - if (!silent) printf("\033[F\033[JWOLFF: sweep %" PRIu64 " / %" PRIu64 ": E = %.2f, B_0 = %" PRIv ", M_0 = %" PRIv ", S = %" PRIv "\n", steps, N, state_finite_energy(s), s->B[0], s->M[0], cluster_size); - - v_t v0 = gsl_rng_uniform_int(r, s->nv); - R_t step; - - bool changed = false; - while (!changed) { - step = gsl_rng_uniform_int(r, s->n_involutions); - if (symmetric_act(s->transformations + s->q * s->involutions[step], s->spins[v0]) != s->spins[v0]) { - changed = true; - } - } - - cluster_size = flip_cluster_finite(s, v0, step, r); - - // v_t is never going to be bigger than 32 bits, but since it's specified - // as a fast time many machines will actually have it be 64 bits. we cast - // it down here to halve space. - - for (q_t i = 0; i < s->n_bond_types - 1; i++) { // if we know the occupation of all but one state we know the occupation of the last - fwrite(&(s->B[i]), sizeof(uint32_t), 1, outfile_B); - } - - for (q_t i = 0; i < s->q - 1; i++) { // if we know the occupation of all but one state we know the occupation of the last - fwrite(&(s->M[i]), sizeof(uint32_t), 1, outfile_M); - } - - fwrite(&cluster_size, sizeof(uint32_t), 1, outfile_S); - - } - if (!silent) { - printf("\033[F\033[J"); - } - printf("WOLFF: sweep %" PRIu64 " / %" PRIu64 ": E = %.2f, B_0 = %" PRIv ", M_0 = %" PRIv ", S = %" PRIv "\n", N, N, state_finite_energy(s), s->B[0], s->M[0], cluster_size); - - fclose(outfile_M); - fclose(outfile_B); - fclose(outfile_S); - - state_finite_free(s); - gsl_rng_free(r); - - return 0; -} - |