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#include <getopt.h>
#include <wolff.h>
#include <correlation.h>
#include <measure.h>
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 = 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) {
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 = atof(optarg);
break;
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;
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);
}
free(measurements);
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);
}
if (N_is_sweeps) {
free(meas_sweeps);
}
gsl_rng_free(r);
return 0;
}
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