diff options
Diffstat (limited to 'src/wolff_heisenberg.cpp')
-rw-r--r-- | src/wolff_heisenberg.cpp | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/src/wolff_heisenberg.cpp b/src/wolff_heisenberg.cpp deleted file mode 100644 index e05453f..0000000 --- a/src/wolff_heisenberg.cpp +++ /dev/null @@ -1,145 +0,0 @@ - -#include <getopt.h> - -#include <correlation.h> -#include <wolff.h> - -typedef state_t <orthogonal_t <3, double>, vector_t <3, double>> heisenberg_t; - -int main(int argc, char *argv[]) { - - count_t N = (count_t)1e7; - - D_t D = 2; - L_t L = 128; - double T = 2.26918531421; - double *H = (double *)calloc(MAX_Q, sizeof(double)); - - bool silent = false; - bool use_pert = false; - - int opt; - q_t J_ind = 0; - q_t H_ind = 0; - double epsilon = 1; - - while ((opt = getopt(argc, argv, "N:q:D:L:T:J:H:spe:")) != -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[H_ind] = atof(optarg); - H_ind++; - break; - case 's': // don't print anything during simulation. speeds up slightly - silent = true; - break; - case 'p': - use_pert = true; - break; - case 'e': - epsilon = atof(optarg); - break; - default: - exit(EXIT_FAILURE); - } - } - - unsigned long timestamp; - - { - struct timespec spec; - clock_gettime(CLOCK_REALTIME, &spec); - timestamp = spec.tv_sec*1000000000LL + spec.tv_nsec; - } - - std::function <orthogonal_t <3, double>(gsl_rng *, const heisenberg_t *)> gen_R; - - const char *pert_type; - - if (use_pert) { - gen_R = std::bind(generate_rotation_perturbation <3>, std::placeholders::_1, std::placeholders::_2, epsilon); - pert_type = "PERTURB"; - } else { - gen_R = generate_rotation_uniform <3>; - pert_type = "UNIFORM"; - } - - FILE *outfile_info = fopen("wolff_metadata.txt", "a"); - - fprintf(outfile_info, "<| \"ID\" -> %lu, \"MODEL\" -> \"HEISENBERG\", \"q\" -> 3, \"D\" -> %" PRID ", \"L\" -> %" PRIL ", \"NV\" -> %" PRIv ", \"NE\" -> %" PRIv ", \"T\" -> %.15f, \"H\" -> {", timestamp, D, L, L * L, D * L * L, T); - - for (q_t i = 0; i < 3; i++) { - fprintf(outfile_info, "%.15f", H[i]); - if (i < 3 - 1) { - fprintf(outfile_info, ", "); - } - } - - fprintf(outfile_info, "}, \"GENERATOR\" -> \"%s\", \"EPS\" -> %g |>\n", pert_type, epsilon); - - fclose(outfile_info); - - char *filename_M = (char *)malloc(255 * sizeof(char)); - char *filename_E = (char *)malloc(255 * sizeof(char)); - char *filename_S = (char *)malloc(255 * sizeof(char)); - char *filename_X = (char *)malloc(255 * sizeof(char)); - - sprintf(filename_M, "wolff_%lu_M.dat", timestamp); - sprintf(filename_E, "wolff_%lu_E.dat", timestamp); - sprintf(filename_S, "wolff_%lu_S.dat", timestamp); - sprintf(filename_X, "wolff_%lu_X.dat", timestamp); - - FILE *outfile_M = fopen(filename_M, "wb"); - FILE *outfile_E = fopen(filename_E, "wb"); - FILE *outfile_S = fopen(filename_S, "wb"); - FILE *outfile_X = fopen(filename_X, "wb"); - - free(filename_M); - free(filename_E); - free(filename_S); - free(filename_X); - - std::function <void(const heisenberg_t *)> *measurements = (std::function <void(const heisenberg_t *)> *)malloc(4 * sizeof(std::function <void(const heisenberg_t *)>)); - - measurements[0] = [&](const heisenberg_t *s) { - float smaller_E = (float)s->E; - fwrite(&smaller_E, sizeof(float), 1, outfile_E); - }; - measurements[1] = [&](const heisenberg_t *s) { - float smaller_X = (float)correlation_length(s); - fwrite(&smaller_X, sizeof(float), 1, outfile_X); - }; - measurements[2] = [&](const heisenberg_t *s) { - write_magnetization(s->M, outfile_M); - }; - measurements[3] = [&](const heisenberg_t *s) { - fwrite(&(s->last_cluster_size), sizeof(uint32_t), 1, outfile_S); - }; - - wolff <orthogonal_t <3, double>, vector_t <3, double>> (N, D, L, T, dot <3, double>, std::bind(H_vector <3, double>, std::placeholders::_1, H), gen_R, 4, measurements, silent); - - free(measurements); - - fclose(outfile_M); - fclose(outfile_E); - fclose(outfile_S); - fclose(outfile_X); - - free(H); - - fftw_cleanup(); - - return 0; -} - |