diff options
| -rw-r--r-- | src/wolff_ising.cpp | 115 |
1 files changed, 13 insertions, 102 deletions
diff --git a/src/wolff_ising.cpp b/src/wolff_ising.cpp index 4d4c791..1812527 100644 --- a/src/wolff_ising.cpp +++ b/src/wolff_ising.cpp @@ -2,8 +2,6 @@ #include <getopt.h> #include <wolff.h> -#include <correlation.h> -#include <measure.h> int main(int argc, char *argv[]) { @@ -15,13 +13,10 @@ int main(int argc, char *argv[]) { double H = 0.0; bool silent = false; - bool N_is_sweeps = false; int opt; - unsigned char measurement_flags = measurement_energy | measurement_clusterSize; - - while ((opt = getopt(argc, argv, "N:q:D:L:T:J:H:sM:S")) != -1) { + while ((opt = getopt(argc, argv, "N:q:D:L:T:J:H:s")) != -1) { switch (opt) { case 'N': // number of steps N = (count_t)atof(optarg); @@ -41,118 +36,34 @@ int main(int argc, char *argv[]) { case 's': // don't print anything during simulation. speeds up slightly silent = true; break; - case 'M': - measurement_flags ^= 1 << atoi(optarg); - break; - case 'S': - N_is_sweeps = true; - break; default: exit(EXIT_FAILURE); } } - 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\" -> \"ISING\", \"q\" -> 2, \"D\" -> %" PRID ", \"L\" -> %" PRIL ", \"NV\" -> %" PRIv ", \"NE\" -> %" PRIv ", \"T\" -> %.15f, \"H\" -> %.15f |>\n", timestamp, D, L, (v_t)pow(L, D), D * (v_t)pow(L, D), T, H); - - fclose(outfile_info); - - unsigned int n_measurements = 0; - std::function <void(const state_t <z2_t, ising_t> *)> *measurements = (std::function <void(const state_t <z2_t, ising_t> *)> *)calloc(POSSIBLE_MEASUREMENTS, sizeof(std::function <void(const state_t <z2_t, ising_t> *)>)); - FILE *outfile_M, *outfile_E, *outfile_S, *outfile_F; - - if (measurement_flags & measurement_energy) { - char *filename_E = (char *)malloc(255 * sizeof(char)); - sprintf(filename_E, "wolff_%lu_E.dat", timestamp); - outfile_E = fopen(filename_E, "wb"); - free(filename_E); - measurements[n_measurements] = measurement_energy_file<z2_t, ising_t> (outfile_E); - n_measurements++; - } - - if (measurement_flags & measurement_clusterSize) { - char *filename_S = (char *)malloc(255 * sizeof(char)); - sprintf(filename_S, "wolff_%lu_S.dat", timestamp); - outfile_S = fopen(filename_S, "wb"); - free(filename_S); - measurements[n_measurements] = measurement_cluster_file<z2_t, ising_t> (outfile_S); - n_measurements++; - } - - if (measurement_flags & measurement_magnetization) { - char *filename_M = (char *)malloc(255 * sizeof(char)); - sprintf(filename_M, "wolff_%lu_M.dat", timestamp); - outfile_M = fopen(filename_M, "wb"); - free(filename_M); - measurements[n_measurements] = measurement_magnetization_file<z2_t, ising_t> (outfile_M); - n_measurements++; - } - - if (measurement_flags & measurement_fourierZero) { - char *filename_F = (char *)malloc(255 * sizeof(char)); - sprintf(filename_F, "wolff_%lu_F.dat", timestamp); - outfile_F = fopen(filename_F, "wb"); - free(filename_F); - measurements[n_measurements] = measurement_fourier_file<z2_t, ising_t> (outfile_F); - n_measurements++; - } - - meas_t *meas_sweeps; - if (N_is_sweeps) { - meas_sweeps = (meas_t *)calloc(1, sizeof(meas_t)); - measurements[n_measurements] = measurement_average_cluster<z2_t, ising_t> (meas_sweeps); - n_measurements++; - } - // initialize random number generator gsl_rng *r = gsl_rng_alloc(gsl_rng_mt19937); gsl_rng_set(r, rand_seed()); state_t <z2_t, ising_t> s(D, L, T, ising_dot, std::bind(scalar_field, std::placeholders::_1, H)); - std::function <z2_t(gsl_rng *, const state_t <z2_t, ising_t> *)> gen = generate_ising_rotation; + std::function <z2_t(gsl_rng *, const state_t <z2_t, ising_t> *)> gen_R = generate_ising_rotation; - if (N_is_sweeps) { - count_t N_rounds = 0; - printf("\n"); - while (N_rounds * N * meas_sweeps->x < N * s.nv) { - printf("\033[F\033[J\033[F\033[JWOLFF: sweep %" PRIu64 " / %" PRIu64 ": E = %.2f, S = %" PRIv "\n", (count_t)(N_rounds * N * meas_sweeps->x / s.nv), N, s.E, s.last_cluster_size); - wolff(N, &s, gen, n_measurements, measurements, r, silent); - N_rounds++; - } - printf("\033[F\033[J\033[F\033[JWOLFF: sweep %" PRIu64 " / %" PRIu64 ": E = %.2f, S = %" PRIv "\n\n", (count_t)(N_rounds * N * meas_sweeps->x / s.nv), N, s.E, s.last_cluster_size); - } else { - wolff(N, &s, gen, n_measurements, measurements, r, silent); - } + unsigned int n_measurements = 1; - free(measurements); + double average_M = 0; - if (measurement_flags & measurement_energy) { - fclose(outfile_E); - } - if (measurement_flags & measurement_clusterSize) { - fclose(outfile_S); - } - if (measurement_flags & measurement_magnetization) { - fclose(outfile_M); - } - if (measurement_flags & measurement_fourierZero) { - fclose(outfile_F); - } + std::function <void(const state_t <z2_t, ising_t> *)> *measurements = (std::function <void(const state_t <z2_t, ising_t> *)> *)calloc(1, sizeof(std::function <void(const state_t <z2_t, ising_t> *)>)); - if (N_is_sweeps) { - free(meas_sweeps); - } + measurements[0] = [&] (const state_t <z2_t, ising_t> *s) { + average_M += (double)s->M / (double)N / (double)s->nv; + }; + wolff(N, &s, gen_R, n_measurements, measurements, r, silent); + + printf("%" PRIcount " Ising runs completed. D = %" PRID ", L = %" PRIL ", T = %g, H = %g, <M> = %g\n", N, D, L, T, H, average_M); + + free(measurements); gsl_rng_free(r); return 0; |